CN216386117U

CN216386117U - Pressure gauge with explosion-proof processing function

Info

Publication number: CN216386117U
Application number: CN202122189229.2U
Authority: CN
Inventors: 牛心爱
Original assignee: Wuxi Jiecheng Automatic Control Complete Equipment Co ltd
Current assignee: Wuxi Jiecheng Automatic Control Complete Equipment Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-26
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a pressure gauge with an explosion-proof treatment function, belonging to the technical field of pressure gauges, and the pressure gauge comprises a dial plate, wherein the bottom end of the dial plate is fixedly connected with a pressure inlet pipe, the inside of the dial plate is provided with a bourdon tube, the bourdon tube is communicated with the pressure inlet pipe, the top end of the dial plate is provided with an overflow hole, the outer wall of the dial plate close to the overflow hole is fixedly connected with a support pipe, the side wall of the support pipe is provided with a plurality of through flow grooves, when the bourdon tube is broken, water in a pipeline can be outwards released through the overflow hole to prevent a glass panel from being extruded and exploded, a fixing plate is dissolved when the water flows outwards through the overflow hole, a sealing plug can be pushed to be attached to the inner wall of the pressure inlet pipe by a compression spring to prevent the water in the water pipe from entering the dial plate from the pressure inlet pipe all the time, so that the glass panel is prevented from being damaged by the breakage of the bourdon tube, and the pressure gauge can be prevented from being under the condition that no one sees the watch, the situation occurs that the water flow always flows out from the overflow hole.

Description

Pressure gauge with explosion-proof processing function

Technical Field

The utility model relates to the technical field of pressure gauges, in particular to a pressure gauge with an explosion-proof processing function.

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 widely applied and almost covers all the fields of industrial processes and scientific researches, and conducts pressure deformation to a pointer through the elastic deformation of the sensitive element in the pressure gauge and a conversion mechanism of a movement in the pressure gauge to cause the pointer to rotate so as to display the pressure.

The existing pressure gauge installed on a water pipe and used for testing water pressure is provided with an overflow hole, and if an emergency situation that a Bourdon tube bursts occurs, water inside the pressure gauge is released to the outside through the overflow hole, so that the bursting of a glass panel is prevented.

If the bourdon tube bursts under the condition that no one is looking for the bourdon tube, water in the pipeline can flow out along with the overflow hole all the time, and if the bourdon tube is not maintained in time, a large amount of waste can be caused.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a pressure gauge with an explosion-proof treatment function, when a bourdon tube is broken, water in a pipeline can be released outwards through an overflow hole to prevent a glass panel from being extruded and exploded, a fixing plate is dissolved when the water flows out outwards through the overflow hole, a sealing plug can be pushed to be attached to the inner wall of a pressure inlet tube by a compression spring, the water in the water tube is prevented from entering a dial plate from the pressure inlet tube all the time, the bourdon tube is prevented from being broken to damage the glass panel, and the situation that water flows out from the overflow hole all the time under the condition that no person watches the bourdon tube is avoided.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A pressure gauge with an explosion-proof treatment function comprises a dial plate, wherein a pressure inlet pipe is fixedly connected to the bottom end of the dial plate, a Bourdon tube is installed inside the dial plate and communicated with the pressure inlet pipe, an overflow hole is formed in the top end of the dial plate, a support pipe is fixedly connected to the outer wall, close to the overflow hole, of the dial plate, a plurality of flow through grooves are formed in the side wall of the support pipe, a fixed plate is fixedly connected to the inner wall of the top end of the support pipe, a connecting groove is formed between the dial plate and the pressure inlet pipe, a support plate is fixedly connected to the inner wall of the pressure inlet pipe, a plurality of pressure through grooves are formed between the upper surface and the lower surface of the support plate, a rope through groove is formed between the upper surface and the lower surface of the middle part of the support plate, a connecting block is arranged on the lower side of the support plate, a sealing plug is fixedly connected to the bottom surface of the connecting block, and a compression spring is fixedly connected between the connecting block and the support plate, the top fixedly connected with stay cord of connecting block, the one end that the backup pad was kept away from to the stay cord runs through rope groove, spread groove and overflow hole in proper order and extends to the inboard of stay tube, is located the inboard one end and the fixed plate fixed connection of stay cord of stay tube, the stay cord is the state of tightening.

Furthermore, the dial inner wall is fixedly connected with a limiting pipe matched with the dial in shape, one section of the pull rope is located on the inner side of the limiting pipe and is in sliding connection with the limiting pipe, the pull rope can be limited through the limiting pipe, and the pull rope is prevented from influencing the normal installation of the Bourdon tube.

Further, the stay cord is close to the separation stopper of fixedly connected with T word form on the outer wall of spread groove, the separation stopper pastes mutually with the inner wall of spread groove, and is specific, is encapsulated situation between spread groove and the separation stopper, through the setting of spread groove, has avoided pressure to reveal from the spread groove.

Furthermore, the fixed plate is made of water-soluble materials, when the bourdon tube is broken, water is sprayed out of the bourdon tube and flows out through the overflow hole, the glass panel is prevented from bursting, the fixed plate is contacted with the water and is dissolved by the water, the top end of the pull rope loses fixation, and the compressed compression spring can push the sealing plug to move downwards to block the pressure inlet tube.

Furthermore, the shape of the sealing plug is matched with the shape of the inner wall of the pressure inlet pipe, the sealing plug is made of rubber materials, and the sealing plug and the pressure inlet pipe are arranged, so that the sealing plug can well seal the pressure inlet pipe when the sealing plug is bounced down.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is through setting up when the bourdon tube takes place to break, the outside release in the water accessible overflow hole in the pipeline prevents to crowd the glass panels and explodes, water is dissolved through overflow hole fixed plate when outwards flowing, compression spring can push up the sealing plug to pasting mutually with the inner wall of the pipe of pressing into, prevent that the water in the water pipe from pressing into the pipe entering dial plate always, can not only prevent that the bourdon tube from breaking and causing the damage to glass panels, still can prevent under the condition of unmanned watch tube, rivers take place from the condition of overflow hole outflow always.

(2) The dial inner wall is fixedly connected with a limiting pipe matched with the dial in shape, one section of the pull rope is located on the inner side of the limiting pipe and is in sliding connection with the limiting pipe, the pull rope can be limited through the limiting pipe, and the pull rope is prevented from influencing the normal installation of the Bourdon tube.

(3) The stay cord is close to the separation stopper of fixedly connected with T word form on the outer wall of spread groove, and the separation stopper pastes mutually with the inner wall of spread groove, and is specific, is encapsulated situation between spread groove and the separation stopper, through the setting of spread groove, has avoided pressure to reveal from the spread groove.

(4) The fixed plate is made for water-soluble material, and when the bourdon tube was broken, water was outwards flowed through the overflow hole from the bourdon tube blowout, prevented that the glass panels from bursting, and the fixed plate contacted water and dissolved by the water, and the top of stay cord will lose fixedly, and the compression spring of at this moment compressed can promote the sealing plug and remove downwards and plug up the admission pipe.

(5) The shape of the sealing plug is matched with the shape of the inner wall of the pressure inlet pipe, the sealing plug is made of rubber materials, and the sealing plug and the pressure inlet pipe are arranged, so that the sealing plug can well seal the pressure inlet pipe when the sealing plug is bounced down.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

1. a dial plate; 2. a pressure inlet pipe; 3. supporting a tube; 4. a flow through groove; 5. a support plate; 6. a pressure groove is communicated; 7. connecting blocks; 8. a sealing plug; 9. a compression spring; 10. pulling a rope; 11. a limiting pipe; 12. connecting grooves; 13. a bourdon tube; 14. a rope passing groove; 15. a fixing plate; 16. and (4) blocking the plug.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a pressure gauge with explosion-proof function comprises a dial plate 1, a pressure inlet pipe 2 is fixedly connected to the bottom end of the dial plate 1, a bourdon tube 13 is installed inside the dial plate 1, the bourdon tube 13 is communicated with the pressure inlet pipe 2, an overflow hole is opened at the top end of the dial plate 1, a support pipe 3 is fixedly connected to the outer wall of the dial plate 1 near the overflow hole, a plurality of through-flow grooves 4 are opened on the side wall of the support pipe 3, a fixing plate 15 is fixedly connected to the inner wall of the top end of the support pipe 3, a connecting groove 12 is opened between the dial plate 1 and the pressure inlet pipe 2, a support plate 5 is fixedly connected to the inner wall of the pressure inlet pipe 2, a plurality of through-pressure grooves 6 are opened between the upper and lower surfaces of the support plate 5, a through-rope groove 14 is opened between the upper and lower surfaces of the middle part of the support plate 5, a connecting block 7 is arranged at the lower side of the support plate 5, a sealing plug 8 is fixedly connected to the bottom surface of the connecting block 7, a compression spring 9 is fixedly connected between the connecting block 7 and the supporting plate 5, a pull rope 10 is fixedly connected to the top end of the connecting block 7, one end of the pull rope 10, which is far away from the supporting plate 5, sequentially penetrates through a rope groove 14, a connecting groove 12 and an overflow hole and extends to the inner side of the supporting tube 3, one end of the pull rope 10, which is positioned at the inner side of the supporting tube 3, is fixedly connected with a fixing plate 15, the pull rope 10 is in a tightening state, a T-shaped separation plug 16 is fixedly connected to the outer wall of the pull rope 10, which is close to the connecting groove 12, the separation plug 16 is attached to the inner wall of the connecting groove 12, specifically, a sealing state is formed between the connecting groove 12 and the separation plug 16, pressure leakage from the connecting groove 12 is avoided through the arrangement of the connecting groove 12, a limiting tube 11 matched with the shape of the dial 1 is fixedly connected to the inner wall of the dial plate 1, one section of the pull rope 10 is positioned at the inner side of the limiting tube 11 and is in a sliding connection with the limiting tube 11, and can limit the pull rope 10, it is avoided that the pull cord 10 affects the normal mounting of the bourdon tube 13.

Referring to fig. 2-3, the fixing plate 15 is made of water-soluble material, when the bourdon tube 13 is broken, water is sprayed out of the bourdon tube 13 and flows out through the overflow hole, so as to prevent the glass panel from bursting, the fixing plate 15 is dissolved by water when contacting with the water, the top end of the pull rope 10 loses the fixation, at this time, the compressed compression spring 9 can push the sealing plug 8 to move downwards to block the pressure inlet tube 2, the shape of the sealing plug 8 is matched with the shape of the inner wall of the pressure inlet tube 2, the sealing plug 8 is made of rubber material, and the sealing plug 8 and the pressure inlet tube 2 are arranged, so that the sealing plug 8 can better seal the pressure inlet tube 2 when bouncing downwards.

During the use, compression spring 9 is in the state of compressing under the initial condition, and drag compression spring 9 through stay cord 10 and make compression spring 9 keep at the state of compressing, compressed compression spring 9 has certain elastic potential energy, install dial plate 1 on the water pipe, if too big bourdon tube 13 of water pressure in the water pipe takes place to break, the water accessible overflow hole in the water pipe outwards releases prevents to crowd the glass panels and explode, fixed plate 15 is dissolved when water outwards flows through the overflow hole, stay cord 10 will break, compression spring 9 can push up sealing plug 8 to paste mutually with the inner wall of advancing pressure pipe 2, prevent that the water in the water pipe from advancing pressure pipe 2 and getting into dial plate 1 always, can not only prevent that bourdon tube breaks and causes the damage to the glass panels, still can prevent under the condition of nobody's watch tube, rivers from taking place from the overflow hole outflow always.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a manometer with explosion-proof processing function, includes dial plate (1), the bottom fixedly connected with of dial plate (1) advances to press pipe (2), the internally mounted of dial plate (1) has bourdon tube (13), bourdon tube (13) is linked together its characterized in that with advancing to press pipe (2): the top end of the dial plate (1) is provided with an overflow hole, the outer wall of the dial plate (1) close to the overflow hole is fixedly connected with a supporting tube (3), the side wall of the supporting tube (3) is provided with a plurality of through flow grooves (4), the inner wall of the top end of the supporting tube (3) is fixedly connected with a fixing plate (15), a connecting groove (12) is opened between the dial plate (1) and the pressure inlet tube (2), the inner wall of the pressure inlet tube (2) is fixedly connected with a supporting plate (5), a plurality of through pressure grooves (6) are opened between the upper surface and the lower surface of the supporting plate (5), a through rope groove (14) is opened between the upper surface and the lower surface of the middle part of the supporting plate (5), the lower side of the supporting plate (5) is provided with a connecting block (7), the bottom surface of the connecting block (7) is fixedly connected with a sealing plug (8), and a compression spring (9) is fixedly connected between the connecting block (7) and the supporting plate (5), the top fixedly connected with stay cord (10) of connecting block (7), the one end that backup pad (5) were kept away from in stay cord (10) runs through rope groove (14), spread groove (12) and overflow hole in proper order and extends to the inboard of stay tube (3), is located the one end and fixed plate (15) fixed connection of stay cord (10) of stay tube (3) inboard, stay cord (10) are the state of tightening.

2. The pressure gauge with the explosion-proof processing function according to claim 1, characterized in that: the dial plate is characterized in that a limiting pipe (11) matched with the dial plate (1) in shape is fixedly connected to the inner wall of the dial plate (1), and one section of the pull rope (10) is located on the inner side of the limiting pipe (11) and is in sliding connection with the limiting pipe.

3. The pressure gauge with the explosion-proof processing function according to claim 1, characterized in that: the pull rope (10) is close to the T-shaped blocking plug (16) fixedly connected to the outer wall of the connecting groove (12), and the blocking plug (16) is attached to the inner wall of the connecting groove (12).

4. The pressure gauge with the explosion-proof processing function according to claim 1, characterized in that: the fixing plate (15) is made of water-soluble materials.

5. The pressure gauge with the explosion-proof processing function according to claim 1, characterized in that: the shape of the sealing plug (8) is matched with the shape of the inner wall of the pressure inlet pipe (2), and the sealing plug (8) is made of rubber materials.