Induction type shock-proof electric contact pressure gauge
The inductive shock-resistant electric contact pressure gauge, with its double-layer explosion-proof structure and pressure relief valve design, solves the problem of insufficient adaptability of existing equipment in complex environments, achieving safe and reliable pressure measurement and stable installation, and adapting to various working environments.
Patent Information
- Application Number
- CN202520228444.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing inductive shock-resistant electric contact pressure gauges use a single-layer stainless steel shell and ordinary transparent glass, lacking overpressure protection and explosion-proof treatment, resulting in a narrow range of applications and an inability to operate safely and reliably in complex environments.
It adopts a double-layer explosion-proof structure, including an external explosion-proof and corrosion-resistant shell and an internal explosion-proof sealing shell. Combined with explosion-proof glass and pressure relief valve design, it can achieve overpressure protection and explosion-proof function, and ensure the stable installation of the equipment through electrical contact wiring groove and fixing bolt holes.
It improves the practicality and applicability of the equipment, ensures safe and reliable operation in complex environments, meets different installation requirements, and prevents accidents.
Smart Images

Figure CN223783792U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of industrial automation, and in particular to an inductive shock-resistant electric contact pressure gauge. Background Technology
[0002] An inductive shock-resistant electric contact pressure gauge is a pressure measuring tool primarily used to measure the pressure of a medium. It provides a direct reading of the pressure value and allows for preset upper and lower pressure limits. When the pressure reaches the specified value, it outputs a signal to control external equipment. Its excellent shock resistance allows it to operate normally even in vibrating environments, improving production efficiency. Furthermore, a suitable explosion-proof enclosure helps ensure safe and reliable operation in flammable and explosive gas or dust environments, while overpressure protection devices reduce the occurrence of accidents. Therefore, it has significant application value and necessity in modern manufacturing.
[0003] Existing inductive shock-resistant electric contact pressure gauges mostly use a single-layer rust-proof shell in conjunction with ordinary transparent glass, along with an internal mechanism. This structure is relatively simple and has a narrow range of applications, thus reducing the practicality of the device. Therefore, an inductive shock-resistant electric contact pressure gauge is proposed to solve the above problems. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides an inductive shock-resistant electric contact pressure gauge, which aims to improve the problems of existing technology, such as the lack of overpressure protection and explosion-proof treatment due to the use of a single-layer stainless steel shell and ordinary transparent glass, resulting in unsafety and a limited range of applications, thus making the inductive shock-resistant electric contact pressure gauge unable to cope with various complex working environments.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an inductive shock-resistant electric contact pressure gauge, comprising an external explosion-proof and corrosion-resistant shell, an external explosion-proof and corrosion-resistant groove inside the external explosion-proof and corrosion-resistant shell, an internal explosion-proof sealing shell fixedly connected to the lower inner surface of the external explosion-proof and corrosion-resistant groove, an internal explosion-proof and corrosion-resistant groove inside the internal explosion-proof and corrosion-resistant shell, a dial fixedly connected to the lower inner surface of the internal explosion-proof and corrosion-resistant groove, a pointer anti-collision pad fixedly connected to the upper surface of the dial, an electric contact device penetrating the interior of the internal explosion-proof and corrosion-resistant groove and the external explosion-proof and corrosion-resistant groove, a measuring system fixedly connected to the upper surface of the electric contact device, and a pointer rotatably connected to the upper surface of the measuring system.
[0006] Furthermore, an anti-corrosion and anti-collision ring is fixedly connected to the upper surface of the external explosion-proof and corrosion-resistant shell, and an explosion-proof high-definition external glass is fixedly connected to the lower surface of the anti-corrosion and anti-collision ring.
[0007] Furthermore, the side surface of the explosion-proof high-definition external glass is tightly fitted with an explosion-proof glass outer slot, and the lower surface of the explosion-proof glass outer slot is fixedly connected with an external explosion-proof and corrosion-resistant groove.
[0008] Furthermore, an explosion-proof glass inner slot is fixedly connected to the upper surface of the built-in explosion-proof and corrosion-resistant groove, and an explosion-proof high-definition built-in glass is tightly fitted to the inner surface of the explosion-proof glass inner slot.
[0009] Furthermore, a high-pressure air inlet pipe runs through the interior of the external explosion-proof and corrosion-resistant shell, and a high-pressure air inlet pipe runs through the interior of the internal explosion-proof sealing shell. A measuring system is tightly connected to the upper surface of the inner end of the high-pressure air inlet pipe.
[0010] Furthermore, the electrical contact device has an internal electrical contact wiring groove, and a wire groove is fixedly connected to the side surface of the electrical contact device.
[0011] Furthermore, the external explosion-proof and corrosion-resistant shell has a wire groove inside, and the external explosion-proof and corrosion-resistant shell also has explosion-proof shell fixing bolt hole one, explosion-proof shell fixing bolt hole two, explosion-proof shell fixing bolt hole three and explosion-proof shell fixing bolt hole four inside.
[0012] Furthermore, a shock-resistant and corrosion-resistant pipe ring is fixedly connected to the side surface of the high-pressure intake pipe, and a pressure relief valve one and a pressure relief valve two pass through the inside of the high-pressure intake pipe. Corrosion-resistant sealing rings are attached to the lower surfaces of the pressure relief valve one and the pressure relief valve two. The high-pressure intake pipe is tightly attached to the inner surface of the corrosion-resistant sealing rings, and an exhaust pipe is attached to the outer surface of the corrosion-resistant sealing rings.
[0013] This utility model has the following beneficial effects:
[0014] 1. In this utility model, the explosion-proof and corrosion-resistant shell is fixedly connected to the anti-corrosion and anti-collision ring, the explosion-proof high-definition outer glass is fixed by the explosion-proof glass outer slot, and the explosion-proof glass inner slot is tightly connected to the explosion-proof high-definition inner glass, thereby achieving a double-layer explosion-proof effect, thus improving the practicality of the device and expanding the applicability of the equipment.
[0015] 2. In this utility model, the pressure relief valve one and pressure relief valve two are used in conjunction with the high-pressure air inlet pipe, so that even if a strong air pressure suddenly enters during the operation of the equipment, the exhaust effect can be achieved efficiently. The pressure relief valve one and pressure relief valve two are used in conjunction with the exhaust pipe and the anti-corrosion sealing ring, so as to achieve the effect of dust prevention at the exhaust port, thereby improving the practicality of the device.
[0016] 3. In this utility model, the use of electrical contact wiring grooves effectively protects the wiring terminals. At this time, the combined use of explosion-proof shell fixing bolt holes one, two, three, and four achieves the effect of fastening the equipment, thereby improving the practicality of the device. Attached Figure Description
[0017] Figure 1 This is a front view of the inductive shock-resistant electric contact pressure gauge proposed in this utility model.
[0018] Figure 2 This is a front view of the inductive shock-resistant electric contact pressure gauge proposed in this utility model.
[0019] Figure 3 This is a bottom view of the inductive shock-resistant electric contact pressure gauge proposed in this utility model.
[0020] Figure 4 This is a top view of the inductive shock-resistant electric contact pressure gauge proposed in this utility model.
[0021] Figure 5 This is a left view of the inductive shock-resistant electric contact pressure gauge proposed in this utility model.
[0022] Legend:
[0023] 1. External explosion-proof and corrosion-resistant shell; 2. Explosion-proof glass outer slot; 3. Internal explosion-proof sealing shell; 4. Explosion-proof glass inner slot; 5. Measuring system; 6. Dial; 7. Pointer anti-collision pad; 8. Pointer; 9. External explosion-proof and corrosion-resistant groove; 10. Internal explosion-proof and corrosion-resistant groove; 11. Explosion-proof high-definition internal glass; 12. Explosion-proof high-definition external glass; 13. High-pressure air inlet pipe; 14. Shock-resistant and corrosion-resistant pipe ring; 15. Corrosion-resistant and anti-collision ring; 16. Electrical contact device; 17. Electrical contact wiring groove; 18. Explosion-proof shell fixing bolt hole one; 19. Explosion-proof shell fixing bolt hole two; 20. Explosion-proof shell fixing bolt hole three; 21. Explosion-proof shell fixing bolt hole four; 22. Wire groove; 23. Pressure relief valve one; 24. Pressure relief valve two; 25. Corrosion-resistant sealing ring; 26. Exhaust pipe. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Reference Figure 1 , Figure 2 and Figure 5 This utility model provides an embodiment of an inductive shock-resistant electric contact pressure gauge, comprising an external explosion-proof and corrosion-resistant shell 1, an external explosion-proof and corrosion-resistant groove 9 inside the external explosion-proof and corrosion-resistant shell 1, an internal explosion-proof sealing shell 3 fixedly connected to the lower internal surface of the external explosion-proof and corrosion-resistant groove 9, an internal explosion-proof and corrosion-resistant groove 10 inside the internal explosion-proof and corrosion-resistant shell 3, a dial 6 fixedly connected to the lower internal surface of the internal explosion-proof and corrosion-resistant groove 10, a pointer anti-collision pad 7 fixedly connected to the upper surface of the dial 6, an electric contact device 16 penetrating through the internal explosion-proof and corrosion-resistant groove 10 and the external explosion-proof and corrosion-resistant groove 9, a measuring system 5 fixedly connected to the upper surface of the electric contact device 16, and a pointer 8 rotatably connected to the upper surface of the measuring system 5; An anti-corrosion and anti-collision ring 15 is fixedly connected to the upper surface of the explosion-proof and corrosion-resistant shell 1, and an explosion-proof high-definition external glass 12 is fixedly connected to the lower surface of the anti-corrosion and anti-collision ring 15. An explosion-proof glass outer groove 2 is tightly fitted to the side surface of the explosion-proof glass outer groove 12, and an external explosion-proof and corrosion-resistant groove 9 is fixedly connected to the lower surface of the explosion-proof glass outer groove 2. An explosion-proof glass inner groove 4 is fixedly connected to the upper surface of the internal explosion-proof and corrosion-resistant groove 10, and an explosion-proof high-definition internal glass 11 is tightly fitted to the inner surface of the internal explosion-proof and corrosion-resistant groove 4. A high-pressure air inlet pipe 13 runs through the interior of the external explosion-proof and corrosion-resistant shell 1, and a high-pressure air inlet pipe 13 runs through the interior of the internal explosion-proof and sealing shell 3. A measuring system 5 is tightly connected to the upper surface of the inner end of the high-pressure air inlet pipe 13. A shock-resistant and corrosion-resistant pipe ring 14 is fixedly connected to the side surface of the high-pressure air intake pipe 13. A pressure relief valve 1 23 and a pressure relief valve 24 pass through the inside of the high-pressure air intake pipe 13. A corrosion-resistant sealing ring 25 is attached to the lower surface of the pressure relief valve 1 23 and the pressure relief valve 24. The high-pressure air intake pipe 13 is tightly attached to the inner surface of the corrosion-resistant sealing ring 25. An exhaust pipe 26 is attached to the outer surface of the corrosion-resistant sealing ring 25.
[0026] Specifically, during the use of the device, it is first connected to the gas pipe to be measured through the high-pressure inlet pipe 13. As the gas moves in the high-pressure inlet pipe 13, it passes through the pressure relief valve 1 23 and the pressure relief valve 24 to reach the measurement system 5. The measurement system 5 then acts on the pointer 8 and the electrical contact device 16. If the gas pressure suddenly increases at this time, the pressure relief valve 1 23 and the pressure relief valve 24 will work together to quickly discharge the excess gas from the exhaust pipe 26. At the same time, it is protected by the external explosion-proof and corrosion-resistant shell 1 and the explosion-proof high-definition external glass 12, as well as the internal explosion-proof sealing shell and the explosion-proof high-definition internal glass, thereby ensuring the safety of the equipment and personnel and meeting the needs of different environments.
[0027] Reference Figure 3 and Figure 4The electrical contact device 16 has an internal electrical contact wiring groove 17, and a wire groove 22 is fixedly connected to the side surface of the electrical contact device 16. The external explosion-proof and corrosion-resistant shell 1 has an internal wire groove 22, and the external explosion-proof and corrosion-resistant shell 1 has an internal explosion-proof shell fixing bolt hole 18, an explosion-proof shell fixing bolt hole 29, an explosion-proof shell fixing bolt hole 30, and an explosion-proof shell fixing bolt hole 41.
[0028] Specifically, during the installation process, the electrical contact wiring groove 17 and the wire groove work together to ensure that the wiring harness is securely installed and not easily broken. At the same time, the use of explosion-proof housing fixing bolt holes 18, 19, 20, and 21 allows the equipment to be securely installed in different working environments. This design allows the equipment to be flexibly adjusted according to the requirements of different installation environments, meeting the different installation needs in various usage scenarios.
[0029] Working principle: In use, the gas is first connected to the gas pipe to be measured through the high-pressure inlet pipe 13. As the gas moves in the high-pressure inlet pipe 13, it passes through the pressure relief valve 1 23 and the pressure relief valve 2 24 to reach the measuring system 5. The measuring system 5 then acts on the pointer 8 and the electrical contact device 16. If the gas pressure suddenly increases at this time, the pressure relief valve 1 23 and the pressure relief valve 2 24 will work together to quickly discharge the excess gas from the exhaust pipe 26. At the same time, it is protected by the external explosion-proof and corrosion-resistant shell 1 and the explosion-proof high-definition external glass 12, as well as the internal explosion-proof sealing shell and the explosion-proof high-definition internal glass, thereby ensuring the safety of the equipment and personnel and meeting the needs of different environments.
[0030] Secondly, the use of electrical contact wiring groove 17 in conjunction with wire groove ensures that the wire harness is securely installed and not easily broken. At the same time, the use of explosion-proof housing fixing bolt holes 18, 19, 20, and 21 allows the equipment to be securely installed in different working environments. This design allows the equipment to be flexibly adjusted according to the requirements of different installation environments, meeting the different installation needs in various usage scenarios.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An inductive shock-resistant electric contact pressure gauge, comprising an external explosion-proof and corrosion-resistant housing (1), characterized in that: The external explosion-proof and corrosion-resistant shell (1) is provided with an external explosion-proof and corrosion-resistant groove (9). The lower inner surface of the external explosion-proof and corrosion-resistant groove (9) is fixedly connected to an internal explosion-proof sealing shell (3). The internal explosion-proof sealing shell (3) is provided with an internal explosion-proof and corrosion-resistant groove (10). The lower inner surface of the internal explosion-proof and corrosion-resistant groove (10) is fixedly connected to a dial (6). The upper surface of the dial (6) is fixedly connected to a pointer anti-collision pad (7). An electrical contact device (16) passes through the internal parts of the internal explosion-proof and corrosion-resistant groove (10) and the external explosion-proof and corrosion-resistant groove (9). The upper surface of the electrical contact device (16) is fixedly connected to a measuring system (5). The upper surface of the measuring system (5) is rotatably connected to a pointer (8).
2. The inductive shock-resistant electric contact pressure gauge according to claim 1, characterized in that: The upper surface of the external explosion-proof and corrosion-resistant shell (1) is fixedly connected to an anti-corrosion and anti-collision ring (15), and the lower surface of the anti-corrosion and anti-collision ring (15) is fixedly connected to an explosion-proof high-definition external glass (12).
3. The inductive shock-resistant electric contact pressure gauge according to claim 2, characterized in that: The side surface of the explosion-proof high-definition external glass (12) is tightly fitted with an explosion-proof glass outer groove (2), and the lower surface of the explosion-proof glass outer groove (2) is fixedly connected with an external explosion-proof and corrosion-resistant groove (9).
4. The inductive shock-resistant electric contact pressure gauge according to claim 1, characterized in that: The upper surface of the built-in explosion-proof and corrosion-resistant groove (10) is fixedly connected with an explosion-proof glass inner slot (4), and the inner surface of the explosion-proof glass inner slot (4) is tightly fitted with an explosion-proof high-definition built-in glass (11).
5. The inductive shock-resistant electric contact pressure gauge according to claim 1, characterized in that: The external explosion-proof and corrosion-resistant shell (1) has a high-pressure air inlet pipe (13) running through its interior, and the internal explosion-proof sealing shell (3) has a high-pressure air inlet pipe (13) running through its interior. The upper surface of the inner end of the high-pressure air inlet pipe (13) is tightly connected to a measuring system (5).
6. The inductive shock-resistant electric contact pressure gauge according to claim 1, characterized in that: The electrical contact device (16) has an internal electrical contact wiring groove (17) and a wire groove (22) is fixedly connected to the side surface of the electrical contact device (16).
7. The inductive shock-resistant electric contact pressure gauge according to claim 1, characterized in that: The external explosion-proof and corrosion-resistant shell (1) is provided with a wire groove (22) inside, and the external explosion-proof and corrosion-resistant shell (1) is provided with explosion-proof shell fixing bolt hole one (18), explosion-proof shell fixing bolt hole two (19), explosion-proof shell fixing bolt hole three (20) and explosion-proof shell fixing bolt hole four (21).
8. The inductive shock-resistant electric contact pressure gauge according to claim 5, characterized in that: The high-pressure air intake pipe (13) is fixedly connected to a shock-resistant and corrosion-resistant pipe ring (14) on its side surface. The high-pressure air intake pipe (13) has a pressure relief valve one (23) and a pressure relief valve two (24) passing through its interior. The lower surfaces of the pressure relief valve one (23) and the pressure relief valve two (24) are fitted with a corrosion-resistant sealing ring (25). The inner surface of the corrosion-resistant sealing ring (25) is tightly fitted with the high-pressure air intake pipe (13). The outer surface of the corrosion-resistant sealing ring (25) is fitted with an exhaust pipe (26).