Diaphragm shock-proof electric contact pressure gauge
By installing a protective cover on the outer surface of the pressure gauge and combining it with an internal and external shock-absorbing and buffering structure, the problem of failure of the electric contact pressure gauge under external impact is solved, achieving higher shock resistance and service life.
Patent Information
- Application Number
- CN202520228451.4
- 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 electrical contact pressure gauges are prone to failure when subjected to external impacts, and existing diaphragm structures only buffer internal pressure, failing to effectively protect precision mechanical and electrical components.
A protective cover is installed on the outer surface of the pressure gauge, and shock-absorbing and buffering structures, including shock-absorbing springs and support rings, are installed inside and outside the protective cover. External vibrations are absorbed by the shock-absorbing springs and elastic rods on the outside, and internal impacts are absorbed by the shock-absorbing springs and support rings on the inside, thus achieving double-layer protection.
It effectively reduces the degree of vibration transmission to the pressure gauge body, improves shock resistance, extends service life and reliability, and enhances stability in harsh environments.
Smart Images

Figure CN223783793U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pressure gauge technical field especially relates to a diaphragm shockproof electric contact pressure gauge. BACKGROUND
[0002] Electric contact pressure gauge is widely used in petroleum chemical industry, mechanical manufacturing, electric power energy and various industrial fields, in the past use process, when pressure gauge is received pressure momentary big, easy to appear the phenomenon of bursting gauge, there is big security risk, for this, in the prior art, through setting diaphragm structure to buffer pressure, but the existing diaphragm structure is only directed to the internal pressure of pressure gauge device, however, the inside of pressure gauge is composed of precision machinery and electrical components, and is sensitive to external impact force, if directly subjected to strong impact load, may lead to dial indication abnormality, contact failure and other faults, for this, in order to further improve the adaptability of pressure gauge device, we propose a diaphragm shockproof electric contact pressure gauge to solve the above problems. SUMMARY
[0003] The utility model discloses a diaphragm shockproof electric contact pressure gauge, by setting the protective cover on the outer surface of pressure gauge, and setting the shock absorbing and buffering structure in the inside and outside of protective cover, the combination of damping spring no.
[0004] The utility model discloses a diaphragm shockproof electric contact pressure gauge, by setting the protective cover on the outer surface of pressure gauge, and setting the shock absorbing and buffering structure in the inside and outside of protective cover, the combination of damping spring no.
[0005] The utility model discloses a diaphragm shockproof electric contact pressure gauge, the top surface of support ring and the inner top surface of protective cover fixed connection, the inner ring position of support ring and fixed link fixed connection. Be used to fix and support the firmness of the connection between pressure gauge and protective cover.
[0006] The utility model discloses a diaphragm shockproof electric contact pressure gauge, the quantity of connecting rod no. 2 and damping spring no. 2 is identical, and one end of damping spring no. 2 away from fixed link is fixedly connected with the inner wall surface of protective cover. It is used to play the role of connection and support, and can absorb the impact force in its inside, and enhance the effect of shock resistance.
[0007] The utility model discloses a diaphragm shockproof electric contact pressure gauge, the rear surface of protective cover is provided with connecting groove, the inside of connecting groove is provided with connecting hole, the inner wall surface of connecting groove is provided with thread groove, and one end of thread groove is communicated with connecting hole. It is used to connect protective cover with protective cover, and can also play the role of increasing buffer space.
[0008] The utility model discloses a diaphragm shockproof electric contact pressure gauge, and the rear surface of protective cover is provided with protective cover, the inside rotation is connected with connecting rod no. 1 of protective cover, and the connecting surface of protective cover and protective cover is equipped with sealing washer. Make protective cover skill increase buffer space, and can also play the role of sealed diaphragm protection storehouse.
[0009] The utility model discloses a diaphragm shockproof electric contact pressure gauge, one end of connecting rod no. 1 is fixedly connected with elastic bead, the elastic bead is symmetrically provided with two, and the quantity and shape size of elastic bead are identical with connecting hole. It is used to better connect protective cover with protective cover.
[0010] The utility model discloses a diaphragm shockproof electric contact pressure gauge, one end of connecting column away from fixed link is in contact with the inner surface of protective cover, the outer surface of connecting column is provided with connecting spring, and one end of connecting spring is connected with fixed link. It is used to better support the connection between connecting column and fixed link.
[0011] The utility model discloses a diaphragm shockproof electric contact pressure gauge, the inside fixed connection of base no. 1 and base no. 2 has air inlet pipe, the air inlet pipe is connected with pressure gauge through protective cover, and the outer surface of air inlet pipe is fixedly connected with flange. It is used to firmly install the whole pressure gauge at the required position.
[0012] Beneficial effects: By setting the protective cover on the outer surface of the pressure gauge, and setting the shock-absorbing and buffering structure inside and outside the protective cover, the combination of the shock-absorbing spring one and the elastic rod between the protective cover outside base one and base two can effectively absorb external vibration, greatly reduce the degree of vibration transmission to the pressure gauge body, improve the overall shock resistance, and the protective cover inside is provided with the shock-absorbing spring two and the supporting ring, so that the outside of the protective cover can block the impact, impact and vibration from the outside, and the inside can also be shock-absorbing and buffering, and can absorb and isolate these external mechanical disturbances, play the role of double protection for the pressure gauge body, and improve the service life and reliability of the pressure gauge in harsh environment. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will be further explained in connection with the drawings and examples;
[0014] Figure 1 It is whole structural drawing of diaphragm shockproof electric contact pressure gauge of the utility model;
[0015] Figure 2 It is internal structure view of protective cover of diaphragm shockproof electric contact pressure gauge of the utility model;
[0016] Figure 3 It is diaphragm shockproof electric contact pressure gauge of the utility model Figure 2 It is the enlarged view of A place in middle;
[0017] Figure 4 It is structure view of protective cover of diaphragm shockproof electric contact pressure gauge of the utility model;
[0018] Figure 5 It is internal structure side view of protective cover of diaphragm shockproof electric contact pressure gauge of the utility model.
[0019] Legend:
[0020] 1, protective cover;101, connecting groove;102, connecting hole;103, thread groove;2, pressure gauge;3, air inlet pipe;4, flange;5, base one;51, base two;52, elastic rod;53, shock-absorbing spring one;6, protective cover;61, connecting rod one;62, elastic bead;7, supporting ring;8, connecting rod two;9, shock-absorbing spring two;10, connecting column;11, connecting spring;12, fixed rod. DETAILED DESCRIPTION
[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0022] Referring to Figures 1-5 The utility model discloses a diaphragm shock -resistant electric contact pressure gauge, it includes: the protection cover 1 for supporting and protection pressure gauge 2's body, the inside fixedly connected with pressure gauge 2 of protection cover 1 is provided with the diaphragm protection storehouse in the inside of protection cover 1, for forming the buffer space between diaphragm and protection cover 1, further improve the shock -resistant protection ability, the rear surface of pressure gauge 2 is located in the inside of diaphragm protection storehouse, the rear surface fixedly connected with fixed link 12 of pressure gauge 2, for connecting support ring 7 and shock -absorbing spring etc. with pressure gauge 2, the rear surface fixedly connected with support ring 7 of pressure gauge 2, for the firmness between fixed and support pressure gauge 2 and diaphragm protection storehouse, the inside even fixedly connected with a plurality of connecting rod two 8 of support ring 7, play the role of support ring 7, one end fixedly connected with connecting column 10 of fixed link 12, for play the stability of shock -absorbing spring no. 2 9 and other components between the connection, the outer surface fixedly connected with shock -absorbing spring no. 2 9 of fixed link 12, for absorbing the impact force inside, the outer surface fixedly connected with base one 5 of protection cover 1, the bottom of base one 5 is provided with base two 51, base one 5 and base two 51 between fixedly connected with elastic rod 52, shock -absorbing spring no. 1 53 respectively, improve the stability of pressure gauge 2 itself, strengthen the shock resistance, also can play the impact force of absorption and slow down outside.
[0023] The top surface of the support ring 7 is fixedly connected with the inner top surface of the protective cover 1, the inner ring position of the support ring 7 is fixedly connected with the fixed rod 12, which is used to fix and support the firmness of the connection between the pressure gauge 2 and the protective cover 1, the connecting rod two 8 is consistent with the number of the damping spring two 9, the end of the damping spring two 9 away from the fixed rod 12 is fixedly connected with the inner wall surface of the protective cover 1, which is used to play a connecting and supporting role and can absorb the impact force inside, thereby enhancing the anti-shock effect. The rear surface of the protective cover 1 is provided with a connecting groove 101, the connecting groove 101 is provided with a connecting hole 102 in the inside, the inner wall surface of the connecting groove 101 is provided with a threaded groove 103, one end of the threaded groove 103 is communicated with the connecting hole 102, which is used to connect the protective cover 6 with the protective cover 1 and can also play a role in increasing the buffer space, the rear surface of the protective cover 1 is provided with the protective cover 6, the inside of the protective cover 6 is rotatably connected with the connecting rod one 61, the connecting surface of the protective cover 6 and the protective cover 1 is provided with a sealing gasket, so that the protective cover 1 can increase the buffer space and also play a role in sealing the diaphragm protective bin. One end of the connecting rod one 61 is fixedly connected with the elastic bead 62, the elastic bead 62 is symmetrically provided with two, the number and shape size of the elastic bead 62 are consistent with the connecting hole 102, which is used to better connect the protective cover 6 with the protective cover 1, the end of the connecting column 10 away from the fixed rod 12 is in abutment with the inner surface of the protective cover 6, the outer surface of the connecting column 10 is provided with the connecting spring 11, one end of the connecting spring 11 is connected with the fixed rod 12, which is used to better support the connection between the connecting column 10 and the fixed rod 12 and also can assist the damping spring two 9 to absorb part of the impact force. The inside of the base one 5 and the base two 51 is fixedly connected with the air inlet pipe 3, the air inlet pipe 3 penetrates through the protective cover 1 and is communicated with the pressure gauge 2, the outer surface of the air inlet pipe 3 is fixedly connected with the flange 4, which is used to firmly install the whole pressure gauge 2 at the required position and also can enhance the mechanical strength of the whole pressure gauge 2 device and improve the anti-shock performance.
[0024] Working principle: when using the diaphragm shock-resistant electric contact pressure gauge, the whole structure of the pressure gauge 2 is firmly installed at the required position through the flange 4, in the use process, the elastic rod 52 and the damping spring one 53 arranged between the base one 5 and the base two 51 can absorb the external impact force, then the damping spring two 9 arranged in the diaphragm protective bin inside the protective cover 1 can absorb the impact force inside, the protective cover 6 and the protective cover 1 are provided with the elastic bead 62 and the connecting hole 102, which provides a buffer space between the protective cover 1 and the protective cover 6, can absorb the external and internal impact force, reduce the degree of impact force transmitted to the pressure gauge body, and further enhance the anti-shock performance of the whole pressure gauge 2 device.
[0025] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the utility model is not limited to the above -mentioned embodiment.
Claims
1. A diaphragm shockproof electrical contact pressure gauge, characterized by, Include: The protective cover (1), the inside fixed connection of the protective cover (1) is provided with diaphragm protection storehouse, the rear surface of the pressure gauge (2) is located inside the diaphragm protection storehouse, the rear surface of the pressure gauge (2) is fixedly connected with the fixed rod (12), the rear surface of the pressure gauge (2) is fixedly connected with the support ring (7), the inside of the support ring (7) is uniformly fixedly connected with a plurality of connecting rods two (8), one end of the fixed rod (12) is fixedly connected with the connecting column (10), the outer surface of the fixed rod (12) is fixedly connected with the damping spring two (9), the outer surface of the protective cover (1) is fixedly connected with the base one (5), the bottom of the base one (5) is provided with the base two (51), the base one (5) and the base two (51) are fixedly connected with the elastic rod (52) and the damping spring one (53) respectively.
2. A diaphragm shockproof electric contact pressure gauge according to claim 1, characterized in that, The top surface of the support ring (7) is fixedly connected with the inner top surface of the protective cover (1), and the inner ring position of the support ring (7) is fixedly connected with the fixed rod (12).
3. A diaphragm shockproof electric contact pressure gauge according to claim 1, characterized in that, The number of the connecting rod two (8) is consistent with the number of the damping spring two (9), and one end of the damping spring two (9) away from the fixed rod (12) is fixedly connected with the inner wall surface of the protective cover (1).
4. A diaphragm shockproof electric contact pressure gauge according to claim 1, characterized in that, The rear surface of the protective cover (1) is provided with a connecting groove (101), the connecting groove (101) is provided with a connecting hole (102) in the inside, and the inner wall surface of the connecting groove (101) is provided with a threaded groove (103) in communication with one end of the connecting hole (102).
5. A diaphragm shockproof electric contact pressure gauge according to claim 1, characterized in that, The rear surface of the protective cover (1) is provided with a protective cover (6), the inside of the protective cover (6) is rotatably connected with a connecting rod one (61), and the connecting surface of the protective cover (6) and the protective cover (1) is provided with a sealing gasket.
6. A diaphragm shockproof electric contact pressure gauge according to claim 5, characterized in that, One end of the connecting rod one (61) is fixedly connected with an elastic bead (62), the elastic bead (62) is symmetrically provided with two, and the number and shape of the elastic bead (62) are consistent with the connecting hole (102).
7. A diaphragm shockproof electric contact pressure gauge according to claim 1, characterized in that, One end of the connecting column (10) away from the fixed rod (12) is in abutment with the inner surface of the protective cover (6), and the outer surface of the connecting column (10) is provided with a connecting spring (11), and one end of the connecting spring (11) is connected with the fixed rod (12).
8. A diaphragm shockproof electric contact pressure gauge according to claim 1, characterized in that, The inside of the base one (5) and the base two (51) is fixedly connected with an air inlet pipe (3), the air inlet pipe (3) penetrates the protective cover (1) and is in communication with the pressure gauge (2), and the outer surface of the air inlet pipe (3) is fixedly connected with a flange (4).