CN217466079U

CN217466079U - High-shock-resistance pressure gauge

Info

Publication number: CN217466079U
Application number: CN202220242307.2U
Authority: CN
Inventors: 王贤健
Original assignee: DALIAN METERN SANYOU ELECTRONIC INSTRUMENT CO LTD
Current assignee: DALIAN METERN SANYOU ELECTRONIC INSTRUMENT CO LTD
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-09-20
Anticipated expiration: 2032-01-29

Abstract

The utility model relates to a manometer technical field just discloses a high anti-seismic performance manometer, including manometer and damping device, damping device fixed connection is in the bottom of manometer, damping device includes first connecting pipe, seal ring, second connecting pipe, box, first connecting plate, first damping spring, second connecting plate, second damping spring, the top of first connecting pipe and the bottom intercommunication setting of manometer. Be connected to the pipeline that needs detected pressure through the manometer on, when the pipeline takes place vibrations, the pipeline can drive the vibrations of second connecting pipe, thereby drive the vibrations of first connecting plate, carry out a shock attenuation to the second connecting pipe through first damping spring, make the vibration range of first connecting pipe reduce, rethread second damping spring carries out further shock attenuation to first connecting pipe, make the vibration range of first connecting pipe reduce once more, thereby make the manometer vibration range reduce, thereby reach the purpose that improves manometer anti-seismic performance.

Description

High-shock-resistance pressure gauge

Technical Field

The utility model relates to a manometer technical field specifically is a high anti-seismic performance manometer.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates pressure higher than ambient pressure, is very commonly applied, almost extends to all the fields of industrial processes and scientific researches, is visible everywhere in the fields of heat supply pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance and repair shops and the like, and particularly in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the fact that the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenience in production and the like, but vibration can cause the measurement accuracy of the pressure gauge to be reduced, and the pressure value displayed on the pressure gauge is inconvenient to observe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high anti-seismic performance manometer reaches the purpose that improves anti-seismic performance.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure gauge with high anti-seismic performance comprises a pressure gauge and a damping device, wherein the damping device is fixedly connected to the bottom of the pressure gauge, the damping device comprises a first connecting pipe, a sealing washer, a second connecting pipe, a box body, a first connecting plate, a first damping spring, a second connecting plate and a second damping spring, the top of the first connecting pipe is communicated with the bottom of the pressure gauge, the inner wall of the sealing washer is fixedly connected with the bottom of the outer wall of the first connecting pipe, the inner wall of the second connecting pipe is slidably connected with the outer wall of the sealing washer, round holes are formed in the top and the bottom of the box body and are slidably connected with the outer wall of the second connecting pipe, one end of the first connecting plate is fixedly connected to the outer wall of the second connecting pipe, one end of the first damping spring is fixedly connected with the bottom of the inner wall of the box body, and the other end of the first damping spring is fixedly connected to the bottom of the first connecting plate, one end of the second connecting plate is fixedly connected to one side of the outer wall of the first connecting pipe, one end of the second damping spring is fixedly connected to the top of the box body, and the other end of the second damping spring is fixedly connected to the bottom of the second connecting plate.

Preferably, the one end of first connecting pipe is provided with protection device, protection device includes gag lever post, button, pressure release pipeline, relief valve, warning light, gag lever post fixed connection is on the inner wall of manometer, the button sets up the top at the gag lever post, pressure release pipeline sets up with outer wall one side intercommunication of first connecting pipe, the relief valve sets up on pressure release pipeline, warning light fixed connection is at pressure release pipeline's top, and warning light and button electric connection, through setting up protection device, is for when pipeline pressure is too big, and suggestion operating personnel pay attention to, is used for urgent pressure release through setting up the relief valve simultaneously, prevents that pipeline pressure is too big to lead to the manometer to become invalid.

Preferably, the inner wall of manometer is provided with the scale strip, the inner wall centre of a circle swing joint of manometer has the pivot, fixedly connected with pointer in the pivot is through setting up scale strip, pivot and pointer, is for the pressure value in the pipeline of conveniently observing the connection.

Preferably, the material of the sealing washer is nitrile rubber, and the sealing washer made of the nitrile rubber is used because the nitrile rubber has good oil resistance, wear resistance, high temperature resistance and sealing performance.

Preferably, the bottom of the inner wall of the second connecting pipe is provided with a connecting thread, and the connecting thread is used for facilitating connection to a pipeline, so that the purpose of facilitating installation is achieved.

Preferably, the first damper spring and the second damper spring have the same size, and the first damper spring and the second damper spring are configured to have the same size, so that the installation is facilitated and the manufacturing cost is reduced.

The utility model provides a high anti-seismic performance manometer. The method has the following beneficial effects:

(1) the utility model discloses a manometer is connected to on the pipeline that needs detected pressure, when the pipeline takes place vibrations, the pipeline can drive the vibrations of second connecting pipe, thereby drive the vibrations of first connecting plate, carry out a shock attenuation to the second connecting pipe through first damping spring, make the range of vibration of first connecting pipe reduce, rethread second damping spring carries out further shock attenuation to first connecting pipe, make the range of vibration of first connecting pipe reduce once more, thereby make the manometer range of vibration reduce, thereby reach the purpose that improves manometer anti-seismic performance.

(2) The utility model discloses a set up gag lever post and button, when pressure was too big in the pipeline, the pivot can drive the pointer and rotate to make the pointer touch the gag lever post, thereby extrude the button at gag lever post top, thereby report to the police through the warning light, be used for urgent pressure release through setting up pressure release pipeline and relief valve, prevent that the pipeline from too big producing the influence to the manometer, make the manometer inefficacy.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is a sectional view of the shock absorbing device of the present invention.

In the figure: 1. a pressure gauge; 2. a damping device; 201. a first connecting pipe; 202. a sealing gasket; 203. a second connecting pipe; 204. a box body; 205. a first connecting plate; 206. a first damping spring; 207. a second connecting plate; 208. a second damping spring; 3. a protection device; 301. a limiting rod; 302. a button; 303. a pressure relief duct; 304. a pressure relief valve; 305. a warning light; 4. a scale bar; 5. a rotating shaft; 6. a pointer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a pressure gauge with high anti-seismic performance comprises a pressure gauge 1 and a damping device 2, wherein a scale strip 4 is arranged on the inner wall of the pressure gauge 1, a rotating shaft 5 is movably connected with the circle center of the inner wall of the pressure gauge 1, a pointer 6 is fixedly connected on the rotating shaft 5, and by arranging the scale strip 4, the rotating shaft 5 and the pointer 6, the pressure value in a connected pipeline is convenient to observe, the damping device 2 is fixedly connected to the bottom of the pressure gauge 1, the damping device 2 comprises a first connecting pipe 201, a sealing gasket 202, a second connecting pipe 203, a box body 204, a first connecting plate 205, a first damping spring 206, a second connecting plate 207 and a second damping spring 208, the top of the first connecting pipe 201 is communicated with the bottom of the pressure gauge 1, the inner wall of the sealing gasket 202 is fixedly connected with the bottom of the outer wall of the first connecting pipe 201, the sealing gasket 202 is made of nitrile rubber, and the sealing gasket 202 is made of nitrile rubber, because the nitrile rubber has good oil resistance, wear resistance, high temperature resistance and sealing performance, the inner wall of the second connecting pipe 203 is in sliding connection with the outer wall of the sealing washer 202, the bottom of the inner wall of the second connecting pipe 203 is provided with connecting threads, the connection to the pipeline is facilitated by the arrangement of the connecting threads, so that the purpose of facilitating installation is achieved, round holes are formed in the top and the bottom of the box body 204 and are in sliding connection with the outer wall of the second connecting pipe 203, one end of the first connecting plate 205 is fixedly connected to the outer wall of the second connecting pipe 203, one end of the first damping spring 206 is fixedly connected with the bottom of the inner wall of the box body 204, the other end of the first damping spring 206 is fixedly connected to the bottom of the first connecting plate 205, one end of the second connecting plate 207 is fixedly connected to one side of the outer wall of the first connecting pipe 201, one end of the second damping spring 208 is fixedly connected to the top of the box body 204, the other end of the second damping spring 208 is fixedly connected to the bottom of the second connecting plate 207, the size of the first damping spring 206 is the same as that of the second damping spring 208, the first damping spring 206 and the second damping spring 208 are set to be the same size, so that the installation is facilitated and the manufacturing cost is reduced, one end of the first connecting pipe 201 is provided with the protection device 3, the protection device 3 comprises a limiting rod 301, a button 302, a pressure relief pipeline 303, a pressure relief valve 304 and a warning lamp 305, the limiting rod 301 is fixedly connected to the inner wall of the pressure gauge 1, the button 302 is arranged at the top of the limiting rod 301, the pressure relief pipeline 303 is communicated with one side of the outer wall of the first connecting pipe 201, the pressure relief valve 304 is arranged on the pressure relief pipeline 303, the warning lamp 305 is fixedly connected to the top of the pressure relief pipeline 303, the warning lamp 305 is electrically connected with the button 302, by setting the protection device 3, when the pipeline pressure is too high, the suggestion operating personnel pay attention to, simultaneously through setting up relief valve 304 and be used for emergent pressure release, prevent that pipeline pressure is too big to lead to manometer 1 to become invalid.

The working principle is as follows: the pressure gauge 1 is connected to a pipeline needing pressure detection through a connecting thread arranged at the bottom of the inner wall of the second connecting pipe 203, when the pipeline vibrates, the pipeline can drive the second connecting pipe 203 to vibrate, so that the first connecting pipe 205 is driven to vibrate, the second connecting pipe 203 is subjected to primary damping through the first damping spring 206, the sliding amplitude of the second connecting pipe 203 on the box body 204 is reduced, so that the vibration amplitude of the first connecting pipe 201 is reduced, the first connecting pipe 201 is subjected to further damping through the second damping spring 208, so that the vibration amplitude of the first connecting pipe 201 is reduced again, so that the vibration amplitude of the pressure gauge 1 communicated with the first connecting pipe 201 is reduced, the two damping springs are arranged to perform secondary damping, the pressure gauge 1 is subjected to damping operation, and the aim of improving the vibration resistance of the pressure gauge 1 is fulfilled; when pressure was too big in the pipeline, pivot 5 can drive pointer 6 and rotate to make pointer 6 touch gag lever post 301, thereby extrude the button 302 at gag lever post 301 top, thereby report to the police through warning light 305, be used for urgent pressure release through setting up pressure release pipeline 303 and relief valve 304, prevent that the pipeline is too big to manometer 1 and produce the influence, make manometer 1 inefficacy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high anti-seismic performance manometer, includes manometer (1) and damping device (2), its characterized in that: the damping device (2) is fixedly connected to the bottom of the pressure gauge (1), the damping device (2) comprises a first connecting pipe (201), a sealing washer (202), a second connecting pipe (203), a box body (204), a first connecting plate (205), a first damping spring (206), a second connecting plate (207) and a second damping spring (208), the top of the first connecting pipe (201) is communicated with the bottom of the pressure gauge (1), the inner wall of the sealing washer (202) is fixedly connected with the bottom of the outer wall of the first connecting pipe (201), the inner wall of the second connecting pipe (203) is in sliding connection with the outer wall of the sealing washer (202), round holes are formed in the top and the bottom of the box body (204) and are in sliding connection with the outer wall of the second connecting pipe (203), one end of the first connecting plate (205) is fixedly connected to the outer wall of the second connecting pipe (203), one end of the first damping spring (206) is fixedly connected with the bottom of the inner wall of the box body (204), the other end of the first damping spring (206) is fixedly connected with the bottom of the first connecting plate (205), one end of the second connecting plate (207) is fixedly connected with one side of the outer wall of the first connecting pipe (201), one end of the second damping spring (208) is fixedly connected with the top of the box body (204), and the other end of the second damping spring (208) is fixedly connected with the bottom of the second connecting plate (207).

2. The pressure gauge with high shock resistance of claim 1, wherein: one end of first connecting pipe (201) is provided with protection device (3), protection device (3) include gag lever post (301), button (302), pressure release pipeline (303), relief valve (304), warning light (305), gag lever post (301) fixed connection is on the inner wall of manometer (1), button (302) set up the top at gag lever post (301), pressure release pipeline (303) set up with outer wall one side intercommunication of first connecting pipe (201), relief valve (304) set up on pressure release pipeline (303), warning light (305) fixed connection is at the top of pressure release pipeline (303), and warning light (305) and button (302) electric connection.

3. The pressure gauge with high shock resistance of claim 1, wherein: the inner wall of manometer (1) is provided with scale bar (4), the inner wall centre of a circle swing joint of manometer (1) has pivot (5), fixedly connected with pointer (6) on pivot (5).

4. The pressure gauge with high shock resistance of claim 1, wherein: the material of the sealing washer (202) is nitrile rubber.

5. The pressure gauge with high shock resistance of claim 1, wherein: and the bottom of the inner wall of the second connecting pipe (203) is provided with connecting threads.

6. The pressure gauge with high shock resistance as claimed in claim 1, wherein: the first damping spring (206) and the second damping spring (208) have the same size.