Waterproof structure of pressure gauge movement

Through a multi-layered waterproof structure design, the problem of reduced waterproof performance in traditional pressure gauge movements is solved, achieving a high-strength waterproof effect, making it suitable for pressure gauge use in different environments.

CN223883115UActive Publication Date: 2026-02-06QINGDAO GUANTUO INSTR ACCESSORIES CO LTD
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Patent Information

Application Number
CN202520674768.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-02-06
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

Traditional pressure gauge mechanisms are prone to deterioration in waterproof performance due to aging, deformation, or damage of seals during long-term use, which affects service life and measurement accuracy.

Method used

The watch case features a multi-layered waterproof structure, including a transparent glass cover, a ring-shaped waterproof gasket, a ring-shaped waterproof strip, a filled waterproof ring, a front sealing ring, and a back sealing ring. This multi-layered sealing design enhances the waterproof effect.

Benefits of technology

It achieves high-strength waterproofing of the pressure gauge movement, preventing water infiltration, protecting mechanical and electronic components, extending service life, and improving measurement accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pressure gauge waterproofing, and discloses a pressure gauge movement waterproof structure, which comprises a waterproof gauge shell and a movement main body, the movement main body is fixedly arranged on the inner side of the waterproof gauge shell, and a transparent glass cover is embedded in the top in the waterproof gauge shell. According to the utility model, through the cooperation of the annular waterproof rubber mat and the annular waterproof belt, the switch cover plate can be attached to and sealed at the seam of the waterproof watchcase and the transparent glass cover, and is not easy to leak; the filling type waterproof ring can be extruded and positioned by the auxiliary barrel cover, so that the annular waterproof rubber mat, the auxiliary barrel cover and the filling type waterproof ring can be better extruded and connected into a whole, the waterproof capacity is high, a front sealing ring and a back sealing ring can further achieve waterproof sealing, the multiple waterproof protection effect is achieved, the device is waterproof and anti-leakage, and the service life of the device is prolonged. The pressure gauge is excellent in overall waterproof capacity and suitable for being placed and used in different environments.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge waterproof technical field, concretely is a pressure gauge movement waterproof structure. BACKGROUND

[0002] In industrial production, scientific research experiment and all kinds of engineering applications, pressure gauge is important instrument for measuring and displaying pressure, and is widely used in petroleum chemical industry, electric power, metallurgy, pharmacy and other industries. The movement of pressure gauge as its core component, accurate and stable work is very important. However, in actual use environment, pressure gauge often faces various humid scenes or even water stains. In some field operations, pressure gauge is in harsh environment, such as high altitude or underwater area, causing water leakage, and pressure gauge needs waterproof protection.

[0003] The traditional pressure gauge movement waterproof structure has many defects, and some waterproof structure designs are too simple, only rely on simple sealing rubber ring or sealing pad for waterproofing. When affected by factors such as long-term pressure fluctuation, temperature change and vibration impact, the sealing element is easy to age, deform or damage, thereby leading to the decline of waterproof performance, and water seeps into the movement. Once the movement is waterlogged, not only the mechanical parts will rust and corrode, but also the smoothness and accuracy of mechanical transmission will be affected, and electronic components may also cause short circuit failure, which seriously affects the service life and measurement accuracy of pressure gauge. The waterproof protection ability of pressure gauge is not good enough, and the waterproof durability is insufficient. Therefore, we provide a pressure gauge movement waterproof structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a pressure gauge movement waterproof structure, which has the advantages of high-strength waterproof and anti-leakage, excellent overall waterproof ability of pressure gauge, and suitable for placement and use in different environments.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a pressure gauge movement waterproof structure, comprising a waterproof watch case and a movement main body, the movement main body is fixedly installed on the inner side of the waterproof watch case;

[0008] The inner top of the waterproof watch case is embedded with a transparent glass cover, the outer ring of the transparent glass cover is provided with an annular waterproof rubber pad, the inner ring of the waterproof watch case is provided with an annular waterproof belt, the annular waterproof rubber pad is attached to the waterproof watch case and the annular waterproof belt, and the back of the waterproof watch case is threadedly connected with a switch cover plate, and the front of the switch cover plate is provided with an auxiliary cylinder cover.

[0009] The inner side of the annular waterproof band is provided with a filling type waterproof ring, the two sides of the filling type waterproof ring are connected with an auxiliary cylinder cover and an annular waterproof rubber pad respectively, and the front face and the back face of the waterproof watch case are respectively sleeved with a front face sealing ring and a back face sealing ring.

[0010] Preferably, the front face sealing ring is sleeved on the front face of the waterproof watch case, the front face sealing ring is sealingly attached to the transparent glass cover, and the inner side of the front face sealing ring is attached to the front face of the waterproof watch case and the transparent glass cover.

[0011] Preferably, the back face sealing ring is sleeved on the back face of the switch cover plate, the front face of the back face sealing ring is sealingly attached to the back face of the outer side of the waterproof watch case, and the inner side of the back face sealing ring is attached to the outer side of the waterproof watch case and the switch cover plate.

[0012] Preferably, the annular waterproof band is positioned between the switch cover plate and the annular waterproof rubber pad, and the back face of the annular waterproof band is tightly sleeved on the outer side of the auxiliary cylinder cover.

[0013] Preferably, the filling type waterproof ring is provided with an auxiliary sealing strip at each end, and the opposite sides of the two auxiliary sealing strips are respectively attached to the auxiliary cylinder cover and the annular waterproof rubber pad.

[0014] Preferably, the bottom of the waterproof watch case is provided with a wiring tube, the bottom of the movement main body is provided with a connecting wire, the bottoms of the filling type waterproof ring and the annular waterproof band are in C shape, the connecting wire sequentially penetrates the openings of the filling type waterproof ring and the annular waterproof band, and the bottom end of the connecting wire extends out of the wiring tube.

[0015] Preferably, the inner side of the wiring tube is filled and fixed with a filling sealing ring, the inner side of the filling sealing ring is provided with a through hole, and the filling sealing ring is an elastic rubber block.

[0016] Preferably, the bottom of the wiring tube is sleeved with a wire waterproof cover, and the wire waterproof cover is an elastic rubber strip.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a pressure gauge movement waterproof structure, has the following beneficial effects:

[0019] 1. The pressure gauge movement waterproof structure, the inside of the waterproof watch case is provided with a movement main body, the front side of the waterproof watch case is provided with a transparent glass cover, the annular waterproof rubber pad is tightly attached to the front side of the annular waterproof band, can be attached and sealed at the joint of the waterproof watch case and the transparent glass cover, is not easy to leak, when the switch cover plate is sealed and installed on the back of the waterproof watch case, the filling type waterproof ring can be extruded and positioned by the auxiliary cylinder cover, so that the annular waterproof rubber pad, the auxiliary cylinder cover and the filling type waterproof ring can be better extruded and connected into one, the overall waterproof effect is improved, at the same time, the annular waterproof rubber pad is inserted into the joint of the transparent glass cover, the waterproof capacity is strong, the front side and the back of the waterproof watch case are respectively provided with a front side sealing ring and a back sealing ring, the two joints of the shell are further waterproofed and sealed, the movement main body is protected by multiple waterproof effects, the device is strong in waterproof and anti-leakage, the overall waterproof capacity of the pressure gauge is relatively excellent, and is suitable for placement and use in different environments. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view three-dimensional schematic view of the structure of the utility model;

[0021] Figure 2 It is a side view sectional three-dimensional schematic view of the structure of the utility model;

[0022] Figure 3 It is the utility model Figure 2 It is an enlarged schematic view of structure A;

[0023] Figure 4 It is a front view three-dimensional schematic view of the structure of the utility model transparent glass cover elimination after;

[0024] Figure 5 It is a front view three-dimensional schematic view of the annular waterproof rubber pad and the annular waterproof band connection structure of the utility model;

[0025] Figure 6 It is a bottom view three-dimensional schematic view of the annular waterproof rubber pad and the auxiliary sealing strip connection structure of the utility model.

[0026] In the drawing: 1, waterproof watch case; 2, movement main body; 3, transparent glass cover; 4, annular waterproof rubber pad; 5, annular waterproof band; 6, switch cover plate; 7, auxiliary cylinder cover; 8, filling type waterproof ring; 9, front sealing ring; 10, back sealing ring; 11, auxiliary sealing strip; 12, wiring tube; 13, filling sealing ring; 14, wire waterproof cover. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0028] Please refer to Figures 1-6 A pressure gauge movement waterproof structure, including waterproof watch case 1 and movement main body 2, movement main body 2 is fixedly installed on the inner side of waterproof watch case 1;

[0029] The inner top of waterproof watch case 1 is embedded with transparent glass cover 3, the outer ring of transparent glass cover 3 is provided with annular waterproof rubber pad 4, the inner ring of waterproof watch case 1 is provided with annular waterproof band 5, annular waterproof rubber pad 4 is attached to waterproof watch case 1 and annular waterproof band 5, the back of waterproof watch case 1 is threadedly connected with switch cover plate 6, the front of switch cover plate 6 is provided with auxiliary cylinder cover 7;

[0030] The inner side of annular waterproof band 5 is provided with filling type waterproof ring 8, both sides of filling type waterproof ring 8 are connected with auxiliary cylinder cover 7 and annular waterproof rubber pad 4 respectively, the front and back of waterproof watch case 1 are respectively sleeved with front sealing ring 9 and back sealing ring 10;

[0031] The beneficial effects expressed in the present scheme are: by providing movement main body 2 in the inside of waterproof watch case 1, transparent glass cover 3 is provided on the front of the inner side of waterproof watch case 1, annular waterproof rubber pad 4 is tightly attached to the front of the inner side of annular waterproof band 5, can be attached and sealed at the joint of waterproof watch case 1 and transparent glass cover 3, is not easy to leak, when switch cover plate 6 is sealed and installed on the back of waterproof watch case 1, filling type waterproof ring 8 can be extruded and positioned by auxiliary cylinder cover 7, so that annular waterproof rubber pad 4, auxiliary cylinder cover 7 and filling type waterproof ring 8 can be better extruded and connected as a whole, the overall waterproof effect is improved, at the same time, annular waterproof rubber pad 4 is inserted in the joint of transparent glass cover 3, the waterproof capacity is strong, the front and back of waterproof watch case 1 are respectively provided with front sealing ring 9 and back sealing ring 10, the waterproof sealing of the two joints of the shell is further improved, the movement main body 2 is protected by multiple waterproof effects, the device is strong, waterproof and anti-leakage, the overall waterproof capacity of the pressure gauge is excellent, and it is suitable for placement and use in different environments.

[0032] Further, front sealing ring 9 is attached and sleeved on the front of waterproof watch case 1, front sealing ring 9 is sealed and attached on transparent glass cover 3, the inner side of front sealing ring 9 is attached to the front of waterproof watch case 1 and transparent glass cover 3;

[0033] The waterproof watch shell 1 is provided with a front sealing ring 9 on the front surface, which further seals the joint between the waterproof watch shell 1 and the transparent glass cover 3, has good sealing effect, and has a waterproof protection effect.

[0034] Further, the back sealing ring 10 is attached to the back surface of the switch cover plate 6, the front surface of the back sealing ring 10 is attached to the back surface of the outer side of the waterproof watch shell 1, and the inner side of the back sealing ring 10 is attached to the outer side of the waterproof watch shell 1 and the switch cover plate 6.

[0035] The back sealing ring 10 is attached to the back surface of the switch cover plate 6, and the back sealing ring 10 seals the joint between the waterproof watch shell 1 and the switch cover plate 6, has excellent multiple waterproof protection effect, and has good practicability.

[0036] Further, the annular waterproof band 5 is extruded and positioned between the switch cover plate 6 and the annular waterproof rubber pad 4, and the back surface of the annular waterproof band 5 is tightly attached to the outer side of the auxiliary cylinder cover 7.

[0037] The annular waterproof band 5 is extruded and positioned between the switch cover plate 6 and the annular waterproof rubber pad 4, and when the switch cover plate 6 is fixed on the back surface of the waterproof watch shell 1, the filling type waterproof ring 8 can be extruded and positioned by the auxiliary cylinder cover 7, so that the annular waterproof rubber pad 4, the auxiliary cylinder cover 7 and the filling type waterproof ring 8 can be better extruded and connected together, and the overall waterproof effect is improved.

[0038] Further, the filling type waterproof ring 8 is provided with an auxiliary sealing strip 11 at both ends, and the two auxiliary sealing strips 11 are respectively attached to the auxiliary cylinder cover 7 and the annular waterproof rubber pad 4.

[0039] The auxiliary sealing strip 11 is provided, so that when the filling type waterproof ring 8 is installed, the auxiliary sealing strip 11 is attached to the auxiliary cylinder cover 7 and the annular waterproof rubber pad 4, so that the annular waterproof rubber pad 4, the auxiliary cylinder cover 7 and the filling type waterproof ring 8 can be extruded and fixed by the auxiliary sealing strip 11 when they are extruded and connected together, and the overall waterproof effect is further improved.

[0040] Further, the bottom of the waterproof watch shell 1 is provided with a wire tube 12, the bottom of the core body 2 is provided with a connecting wire, the bottom of the filling type waterproof ring 8 and the annular waterproof band 5 is C-shaped, the connecting wire passes through the openings of the filling type waterproof ring 8 and the annular waterproof band 5 in sequence, and the bottom end of the connecting wire extends out of the wire tube 12.

[0041] Through the setting wire connecting pipe 12, can pass through the connecting line, and the bottom of the filling type waterproof ring 8 and the annular waterproof band 5 are C-shaped, the bottom of the connecting line is sequentially penetrated through the opening of the filling type waterproof ring 8 and the annular waterproof band 5, the connecting line is connected with the outside world conveniently, and the filling type waterproof ring 8 and the annular waterproof band 5 are filled and sealed as a whole, and due to the setting of the auxiliary sealing strip 11, the waterproof is not affected.

[0042] Further, the inside of the wire connecting pipe 12 is filled and fixed with a filling sealing ring 13, a through hole is formed in the inside of the filling sealing ring 13, and the filling sealing ring 13 is an elastic rubber block;

[0043] Through the setting of the filling sealing ring 13, when the connecting line penetrates through the wire connecting pipe 12, the filling sealing ring 13 can be sealed and filled, and the waterproof sealing effect is achieved.

[0044] Further, the bottom of the wire connecting pipe 12 is sleeved with a wire waterproof cover 14, and the wire waterproof cover 14 is an elastic rubber strip;

[0045] Through the setting of the wire waterproof cover 14 at the bottom of the wire connecting pipe 12, which is an elastic rubber strip, the waterproof performance of the wire connecting pipe 12 is further improved, and the waterproof effect is excellent.

[0046] It should be noted that the devices in the present application are common market devices, and can be selected according to the needs during specific use, and the circuit connection relationship of each device is a simple series connection and parallel connection circuit, and there is no innovation point in the circuit connection, and the person skilled in the art can easily realize it, which belongs to the prior art, and will not be described in detail.

[0047] Working principle: by setting the movement main body 2 in the waterproof watch shell 1, the front surface of the inside of the waterproof watch shell 1 is provided with a transparent glass cover 3, the edge of the transparent glass cover 3 is provided with an annular waterproof rubber pad 4, the inside of the waterproof watch shell 1 is provided with an annular waterproof band 5, and the annular waterproof rubber pad 4 is tightly attached to the front surface of the inside of the annular waterproof band 5, so that the waterproof effect of the front surface of the waterproof watch shell 1 is excellent, and it is not easy to leak from the gap between the waterproof watch shell 1 and the transparent glass cover 3;

[0048] The back surface of the waterproof watch shell 1 is threadedly connected with a switch cover plate 6, the switch cover plate 6 is sealingly installed on the back surface of the waterproof watch shell 1, the inside of the switch cover plate 6 is provided with an auxiliary cylinder cover 7, and the inside of the annular waterproof band 5 is provided with a filling type waterproof ring 8, when the switch cover plate 6 is rotationally fixed on the back surface of the waterproof watch shell 1, the filling type waterproof ring 8 can be positioned by the extrusion of the auxiliary cylinder cover 7, so that the annular waterproof rubber pad 4, the auxiliary cylinder cover 7 and the filling type waterproof ring 8 can be better extruded and connected as a whole, the overall waterproof effect is improved, meanwhile, the annular waterproof rubber pad 4 can be inserted into the joint between the switch cover plate 6 and the auxiliary cylinder cover 7, the waterproof protection ability of the shell is further improved, so that the movement main body 2 is in the inside of the waterproof watch shell 1, and the waterproof effect is good;

[0049] The front surface of the waterproof watch case 1 is provided with a front sealing ring 9, which further seals the joint between the waterproof watch case 1 and the transparent glass cover 3, and a back sealing ring 10, which seals the joint between the waterproof watch case 1 and the switch cover plate 6, so that the device is protected by multiple waterproofing effects, and the pressure gauge is excellent in overall waterproofing capability and suitable for placement and use in different environments.

[0050] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0051] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A waterproof structure of a pressure gauge movement, comprising a waterproof case (1) and a movement main body (2), characterized in that: The movement main body (2) is fixedly installed on the inner side of the waterproof watch case (1); The transparent glass cover (3) is embedded on the inner top of the waterproof watch case (1), the annular waterproof rubber pad (4) is arranged on the outer ring of the transparent glass cover (3), the annular waterproof band (5) is arranged on the inner ring of the waterproof watch case (1), the annular waterproof rubber pad (4) is attached to the waterproof watch case (1) and the annular waterproof band (5), the switch cover plate (6) is threadedly connected to the back of the waterproof watch case (1), and the auxiliary cylinder cover (7) is arranged on the front of the switch cover plate (6). The inner side of the annular waterproof band (5) is provided with a filling type waterproof ring (8), the two sides of the filling type waterproof ring (8) are connected with the auxiliary cylinder cover (7) and the annular waterproof rubber pad (4) respectively, and the front and back of the waterproof watch case (1) is respectively sleeved with the front sealing ring (9) and the back sealing ring (10).

2. The waterproof structure of a pressure gauge movement according to claim 1, characterized in that: The front sealing ring (9) is attached and sleeved on the front of the waterproof watch case (1), the front sealing ring (9) is sealingly attached to the transparent glass cover (3), and the inner side of the front sealing ring (9) is attached to the front of the waterproof watch case (1) and the transparent glass cover (3).

3. The waterproof structure of a pressure gauge movement according to claim 1, characterized in that: The back sealing ring (10) is attached and sleeved on the back of the switch cover plate (6), the front of the back sealing ring (10) is sealingly attached to the back of the outer side of the waterproof watch case (1), and the inner side of the back sealing ring (10) is attached to the outer side of the waterproof watch case (1) and the switch cover plate (6).

4. The waterproof structure of a pressure gauge movement according to claim 1, characterized in that: The annular waterproof band (5) is positioned between the switch cover plate (6) and the annular waterproof rubber pad (4), and the back of the annular waterproof band (5) is tightly sleeved on the outer side of the auxiliary cylinder cover (7).

5. The waterproof structure of a pressure gauge movement according to claim 1, characterized in that: The filling type waterproof ring (8) is provided with an auxiliary sealing strip (11) at both ends, and the opposite sides of the two auxiliary sealing strips (11) are respectively attached to the auxiliary cylinder cover (7) and the annular waterproof rubber pad (4).

6. The waterproof structure of a pressure gauge movement according to claim 1, characterized in that: The bottom of the waterproof watch case (1) is provided with a wiring tube (12), the bottom of the movement main body (2) is provided with a connecting line, the bottoms of the filling type waterproof ring (8) and the annular waterproof band (5) are C-shaped, the connecting line penetrates the openings of the filling type waterproof ring (8) and the annular waterproof band (5) in sequence, and the bottom end of the connecting line extends out of the wiring tube (12).

7. The waterproof structure of a pressure gauge movement according to claim 6, characterized in that: The inner side of the wiring tube (12) is filled and fixed with a filling sealing ring (13), a through hole is formed in the inner side of the filling sealing ring (13), and the filling sealing ring (13) is an elastic rubber block.

8. The waterproof structure of a pressure gauge movement according to claim 6, characterized in that: The bottom of the wiring tube (12) is sleeved with a wire waterproof cover (14), and the wire waterproof cover (14) is an elastic rubber strip.