JPS50126257

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DESCRIPTION JPS50126257
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external view of a cylindrical pincer main
body according to an embodiment of the present invention, FIG. 2 is a longitudinal sectional view
of a waterproof cover according to an embodiment of the present invention, and FIG. Fig. 4 is an
external view of a cylindrical pin- ger main body according to an embodiment of the present
invention. Fig. 4 is an external view of a cylindrical pin- ger main body according to an
embodiment of the present invention. Fig. 5 is a longitudinal sectional view of a waterproof cover
to which Fig. 4 is attached; Fig. 6 is a diagram in which the cylindrical pincher main body of Fig.
4 is inserted into the waterproof cover of Fig. 5; 1, 1 '· · · · · · · · · · Pinga one body, 1-1, 1'-1 · · · · · · ·
front lid, iz, 1 '2 · · · · · · · · · · · · · · · @ @' ' -3A2 · · · · · · annular projection, D1 · · · · · · 筺胴 1-3
diameter, D2 · · · · · · terms like projection 1-3a · apex diameter, ≠ QE · · in diameter , D2a · · · · · · ·
· Bottom point diameter of annular groove 2a. O D1: o1 X25-: real opening 50-126257 (2. ) 3
material 4 figure correction correction 50.6. 10
[Detailed description of the invention] In recent years, for underwater position measurement or
for fish school tracking. For seawater temperature distribution measurement, etc. (2) A pin gear
which can perform various information detection or information transmission by ultrasonic
waves is widely used. In this type of equipment (2), conventionally, there is a strong need for a
compact, lightweight and simplified mechanical configuration, but this request solution 3 is
mainly based on the following system (1): There are possible problems. That is, the element of
the ultrasonic transducer frequently used for this type of device is a small-sized light V
electrostrictive vibration element, and this element has one mechanical structure at one time or
less. It is necessary to apply an electrical insulation process between the media, so that the
transducer requires the interposition of an insulating film between its radiation surface and the
media (two waterproofing), which is the waterproofing of the pinger casing, It complicates the
mechanical structure of the watertight treatment. In addition, depending on the selection of the
material of the insulating film, the size and processing of the insulating film (and, depending on
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the case, the ultrasonic wave transmission and reception efficiency may be drastically reduced.
Accordingly, with the promotion of reducing the size and weight of the recent pinger casing, the
machine structure becomes complicated and detailed, and in manufacturing-L, special skills are
required, and in the manufacturing department, the aspect of the productivity is the same. At
present, the situation is that thick knees suffer from ≦ −. This proposal solves the abovementioned waterproofing, watertight treatment and light weight simplification by simple
composition, and is explained in detail by the following figures. FIG. 1 is an external view of a
cylindrical pincher body 1 according to an embodiment of the present invention, in which 1-1 is
a hemispherical front lid. (2) N, surprise. ",)) 1-2 is an ultrasonic transducer having a cylindrical
outer surface C two-wheeled surface exposed, and 1-6 is a cylindrical cylinder having a circuit
and a battery and a hemispherical sealed end. The cylinder, 1-3a is a cylindrical outer surface c
of the cylindrical cylinder 1-6, and a two-circumferential circle (an annular protrusion formed
along the two. Dl is the diameter of the cylindrical barrel 1-3 of the pinger main body 1, and Dla
is the apex diameter of the annular projection 1-6a of the pinger main body 1. FIG. 2 is an
embodiment of the present invention: A longitudinal sectional view of a waterproof cover 2
according to the present invention. An organic soft elastic material in which the pinga main body
1 of FIG. It is a thin film which has a shape in which one end is melted and the other end is
sealed. An annular groove 2a is formed close to the release side of the inner cylindrical surface of
the waterproof cover 2, and is fitted with the annular projection 1-3a of the pinger 1 when the
pinger 1 is attached. There is. Reference numeral 2b denotes an open end of the waterproof
cover 2, which serves as an insertion port for the ping- ger main body 1, so that the film
thickness of the special end is reinforced. Dl is the inner diameter of the cylindrical portion of the
waterproof cover 2, and when the cylinder 1-6 of the pinger 1 is inserted, the inner surface of
the cylinder contacts the entire surface of the cylinder of the cylinder 1-5 and the appropriate
adhesion pressure 1 (3) 魁-¥ ・ ・, and moreover, the diameter DI + 2 of the cylinder barrels 1-6
is taken into consideration in order to make it difficult to interpolate.
It is giving. DJa is the bottom point diameter of the annular groove 2a of the hollow cylindrical
portion of the waterproof cover 2 and, like the inner surface diameter D, the bi / ga main body 1
is inserted t and the annular projection 1-3a and the annular groove 2a are fitted At the same
time, an appropriate contact pressure is generated on the fitting surface, and dimensions are
provided in consideration of an appropriate interference so as not to make the insertion fitting
operation difficult. FIG. 6 shows an embodiment of the present invention (in FIG. 6, the state in
which the Binger body 1 is inserted into the waterproof cover 2 is inserted. In order to observe
the interior condition, only the waterproof cover 2 is It is In the above configuration, the
operation and effect will be described. Fig. 6 (The state in which the waterproof cover 2nd binga
1 main body 1 is inserted by interpolation as shown (-in the figure, the inner diameter DJ of the
waterproof cover 2 is smaller than the diameter DI of the cylindrical casing Because the inner
surface of the waterproof cover 2 is small and the cylindrical surface excluding the periphery of
the annular projection 1-6 a of the cylindrical housing of the Binger main body 1 is in tight
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contact with whole blood with an adhesion pressure that surely constitutes ≦≦ There is.
(4)1、′C。 Since the open end 2bflll of the waterproof cover 2 is in contact with the same
dimension interference also in the closed end extension of the annular projection 1-5a and the
cylindrical barrel 1-3, the same applies. is there. Next (second, the annular groove 2a of the
waterproof cover 2 and the annular projection 1-3a of the ping finger main body 1 are also
subjected to interference due to the difference between the apex diameter Dfa and the bottom
point diameter Dya of the annular groove 2a as described above. Fit and seal with tight pressure.
In this state (If the fluid is immersed in the fluid, the fluid pressure is further added to the
adhesion pressure generated by the interference from the outside, and the inner surface of the
waterproof cover 2 is covered with the waterproof cover 2 of the pinger body 1 The surface 4 is
more closely attached. Further, the thin film around the annular groove 2a is pinched by the fluid
pressure of both completions 9 of the annular projection 1-6a at the place where the salt-like
groove 2a and the annular projection 1-5a are closely connected. (A tensile force is applied to the
bottom of the annular groove 2a, that is, the apex of the annular projection 1-6a because the two
compressions are performed, and the apex of the annular projection 1-6a (two annular grooves
2a The contact pressure of the contact surface becomes ^^ as compared with the contact
pressure of the surface of the waterproof cover 2 in contact with the cylindrical surface of the
cylindrical casing of the ping-ager main body 1, and the waterproof cover 1 (5) ˜ [・ J-2. Due to
the nature of the soft elastic material of -2, the apex of the annular projection 1-3a and its
periphery + = around the thin film are well scooped, thereby reliably preventing water leakage
from the open end 2b side of the waterproof cover 2, You can increase the effect sufficiently.
Also, the fluid pressure on both sides of the annular projection 1-6a is due to the close contact
effect due to the fitting and the use of the joint number 2 waterproof cover 2 (in the unintended
fluid flow or unintended fluid flow in the open end 2bgll). It has the effect of preventing the
falling off from the ping-ager main body 1 due to a thrust or the like caused by a foreign object
collision 、, and C2 and during the operation before the fluid is injected.
Note that the height of the projection of the annular projection 1-6a and the depth of the annular
groove 2a or the interference correlation of the dimensions of the waterproof cover 2 with the
main body 1 of the waterproof cover 2 In each case, it is also possible to select four. In addition,
the relationship between the material of the waterproof cover 2 and the ultrasonic wave
transmission / reception efficiency of the ultrasonic transducer 1-2 (in two, since the waterproof
cover 2 is a thin film made of an organic soft elastic material, Close contact with the element
when transmitting (6)-Yu. S, the effect of the load to be separated is also very slight, and the
reduction of the ultrasonic wave transmission / reception efficiency does not become a problem.
Next, FIG. 4 and subsequent drawings will be described in consideration of the case where the
request is made under the condition of high frequency of use where it is desired to obtain the
accuracy of the safety. Fig. 4 is an external view of a cylindrical pincer main body 1 'according to
an embodiment of the present invention, in which the annular projections 1-6a are arranged at
two places, and 1'-1 is a hemispherical front. lid. 1'-2 is a cylindrical outer surface.ltoreq.two
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exposed ultrasonic transducer, 1'-5 is a cylindrical tube having a hemispherical closed end
containing a circuit of a battery 1 'and a battery. The cylinders i'-3af and 1'-5a are annular
projections formed along the circumference of the cylindrical outer surface of the cylinder 1'-3 (f
'formed in parallel along f'. FIG. 5 is a longitudinal sectional view of a waterproof cover 7
according to an embodiment of the present invention: an organic soft in which a binger body 1
'of FIG. It is a thin film made of elastic material, which has a shape in which one end is released
and the other end is sealed by a hemispherical membrane. 2'af and 2'aw are annular grooves
formed close to the release side of the inner cylindrical surface of the waterproof cover 2 ', and
the pinger 1's main body 1' is mounted on the h dragon (7) S, 2 'iso. When the ring projection f-3
at the main body 1 '? '-3a λ is fitted respectively. 2'b is an open end of the waterproof cover 2
'and serves as an insertion port for the pinger main body 1', so that the film thickness of the two
ends is reinforced. In addition, regarding the mutual dimension interference etc. at the time of
insertion of the cylinder body 11-3 and the waterproof cover 2, the correlation demonstrated
about FIG.1, FIG.2, FIG.3 is given. FIG. 6 shows a state in which the main body 1 'of the ping
guard is inserted with the waterproof cover 2' inserted in the one embodiment of the present
invention. In order to observe the interior condition, only the waterproof cover 2 'is used. It is a
cross section. Above, FIG. 4, FIG. 5, FIG. 6 (in two). The effect of the effect is that the effect
obtained in FIG. 6 is further added (two duplicates, and thorough confirmation of watertightness
and safety of wearing). A plurality of annular projections 1-6a and an annular groove 2a
described above and shown in the drawings are juxtaposed to form a hinger main body 1.
Waterproof cover 2 (of course it is possible to attach two side by side, the closed end of
waterproof cover 2 = grooved groove 2a (a part of pinger body 1 attached to the part leading to
1 or (8) 1 It is a matter of course that the watertight effect of the mounted range can be obtained
from the above configuration without the watertight protection of the part of the transducer 1-2
by expanding the range of the following: It is also possible to provide an annular groove 2a and
an annular projection 1-3a near the open side of the pincher body 1 together with the pincher
body 1. According to the above-described one invention, the waterproof cover 2 ≦ 2 provided
with the annular groove 2a which is said to be simple and extremely mass-produced, and the
pincher main body 1 provided with the annular projection 1-3a fitted with the annular groove 2a
are inserted. As well as providing a reliable watertight effect of the required part including the
transducer 1-2 of the pinger main body 1 in a simple, short-time operation, the ultrasonic wave
transmission / reception efficiency is substantially reduced. In addition, it can improve the
productivity in the manufacturing process and the certainty and efficiency of the handling
surface (in the second place, it is industrial (the second is extremely effective).
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