CN220751440U

CN220751440U - Pressure buffer device of pressure gauge

Info

Publication number: CN220751440U
Application number: CN202322286531.9U
Authority: CN
Inventors: 吴德红
Original assignee: Wanyuan Denuo Instrument Co ltd
Current assignee: Wanyuan Denuo Instrument Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-04-09
Anticipated expiration: 2033-08-24

Abstract

The utility model relates to the technical field of pressure buffering of pressure gauges, and discloses a pressure buffering device of pressure gauges, which comprises a main pipe, wherein an annular sheet is connected to the inner wall of the main pipe in a sliding manner, an annular concave flow guiding block is fixedly connected to the bottom end of the annular sheet, a fixed disc is arranged on the inner wall of the annular sheet, a conical flow guiding block is fixedly connected to the bottom end of the fixed disc, a central column is fixedly connected to the top end of the fixed disc, a fixed frame is fixedly connected to the top end of the central column, the outer side of the fixed frame is fixedly connected to the top end in the main pipe, and a buffer spring is fixedly connected to the bottom end of the fixed frame corresponding to the top end of the annular sheet. According to the utility model, the structures such as the annular piece, the annular concave flow guide block, the fixed disc, the conical flow guide block, the central column, the fixed frame and the buffer spring are matched, so that the pressure gauge has the pressure buffering effect when the pressure gauge is just connected with equipment to be monitored, and the pressure gauge is prevented from being damaged due to overlarge pressure.

Description

Pressure buffer device of pressure gauge

Technical Field

The utility model relates to the technical field of pressure buffering of pressure gauges, in particular to a pressure buffering device of a pressure gauge.

Background

Pressure gauges (english names) refer to meters that measure and indicate pressures above ambient, using elastic elements as sensing elements, and are very popular in use, and they are used in almost all industrial processes and scientific research fields. Is widely visible in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance factories, shops and the like. In particular, in the industrial process control and technical measurement process, the mechanical pressure gauge is increasingly widely used due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge.

When the pressure gauge valve is opened, pressure medium in the pipeline instantaneously enters the spring pipe, the strong impact pressure easily enables the inner pressure of the spring pipe to exceed rated highest pressure, the damage rate of the pressure gauge is increased, the measuring performance of the pressure gauge is affected by the instantaneous pressure to be unstable, and the pressure gauge is mainly displayed as inaccurate indication value or non-return to zero.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a pressure buffer device of a pressure gauge.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a manometer pressure buffer, includes the person in charge, be responsible for inner wall sliding connection has the ring piece, ring piece bottom fixedly connected with annular concave guide block, ring piece inner wall is provided with the fixed disk, fixed disk bottom fixedly connected with toper guide block, fixed disk top fixedly connected with center post, center post top fixedly connected with mount, mount outside fixedly connected with is responsible for intraductal top, the mount bottom corresponds ring piece top fixedly connected with buffer spring.

As a further description of the above technical solution:

the main pipe inner wall is provided with an annular gasket corresponding to the annular concave flow guiding block bottom end, the annular gasket bottom end is fixedly connected with an external threaded pipe, and the external threaded pipe outer wall is in sliding connection with the main pipe bottom end.

As a further description of the above technical solution:

the bottom of the main pipe is fixedly connected with an internal thread expansion pipe corresponding to the outer wall of the external thread pipe, the inner wall of the internal thread expansion pipe is slidably connected with the middle part of the body of the external thread pipe, and the bottom end of the internal thread expansion pipe is fixedly connected with a sealing ring.

As a further description of the above technical solution:

the outer wall of the externally threaded pipe is rotatably connected with an adjusting cover corresponding to the bottom end of the sealing ring, and the top end of the adjusting cover is in threaded connection with the bottom end of the main pipe body.

As a further description of the above technical solution:

and the outer wall of the external threaded pipe is correspondingly connected with a nut at the bottom end of the adjusting cover through threads.

As a further description of the above technical solution:

the top of the main pipe is fixedly connected with a flow guide pipe, and the top of the flow guide pipe is fixedly connected with a dial plate.

As a further description of the above technical solution:

the bottom end of the buffer spring is fixedly connected with the top end of the annular piece, which corresponds to the inner wall of the main pipe.

The utility model has the following beneficial effects:

1. according to the utility model, the structures such as the annular piece, the annular concave flow guide block, the fixed disc, the conical flow guide block, the central column, the fixed frame and the buffer spring are matched, so that the pressure gauge has the pressure buffering effect when the pressure gauge is just connected with equipment to be monitored, and the pressure gauge is prevented from being damaged due to overlarge pressure.

2. According to the utility model, the annular gasket, the external threaded pipe, the internal threaded expansion pipe, the sealing ring, the adjusting cover and other structures are matched, so that the reusable pressure buffering function is realized, and the pressure gauge can normally operate after adjustment.

Drawings

FIG. 1 is a perspective view of a pressure buffer device of a pressure gauge according to the present utility model;

FIG. 2 is a front view of a pressure buffer device of a pressure gauge according to the present utility model;

FIG. 3 is a perspective view of a pressure buffer device of a pressure gauge according to the present utility model;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Legend description:

1. a main pipe; 2. an annular sheet; 3. an annular concave flow guide block; 4. a fixed plate; 5. a conical flow guiding block; 6. a center column; 7. a fixing frame; 8. a buffer spring; 9. an annular gasket; 10. an external threaded tube; 11. an internal thread expansion pipe; 12. a seal ring; 13. an adjustment cover; 14. a screw cap; 15. a flow guiding pipe; 16. a dial.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a manometer pressure buffer, including being responsible for 1, be responsible for 1 inner wall sliding connection has annular piece 2, annular piece 2 bottom fixedly connected with annular concave guide block 3, annular piece 2 inner wall is provided with fixed disk 4, fixed disk 4 bottom fixedly connected with toper guide block 5, fixed disk 4 top fixedly connected with center post 6, center post 6 top fixedly connected with mount 7, mount 7 outside fixedly connected with is responsible for 1 intraductal top, mount 7 bottom corresponds annular piece 2 top fixedly connected with buffer spring 8, cooperate between structures such as through annular piece 2, annular concave guide block 3, fixed disk 4, toper guide block 5, center post 6, mount 7 and buffer spring 8, realized making its manometer have pressure buffering's effect when just connecting waiting monitoring facilities, avoid the too big manometer of pressure to cause the damage.

The annular gasket 9 is arranged at the bottom end of the annular concave flow guide block 3 corresponding to the inner wall of the main pipe 1, the external thread pipe 10 is fixedly connected to the bottom end of the annular gasket 9, the outer wall of the external thread pipe 10 is slidably connected to the bottom end of the main pipe 1, the internal thread expansion pipe 11 is fixedly connected to the outer wall of the external thread pipe 10 in the middle of the pipe body, the sealing ring 12 is fixedly connected to the bottom end of the internal thread expansion pipe 11, the outer wall of the external thread pipe 10 is fixedly connected with the adjusting cover 13 corresponding to the bottom end of the sealing ring 12 in a rotating manner, the nut 14 can rotate the joint of the nut 14 against the corresponding equipment to be monitored after the external thread pipe 10 is connected to the equipment to be monitored, the sealing performance of the equipment to be monitored can be improved, the problem that the interface length of the external thread pipe 10 is different from the interface of the equipment to be monitored is avoided, the top end of the main pipe 1 is fixedly connected with the flow guide pipe 15, the top end of the flow guide pipe 15 is fixedly connected with the dial 16, the bottom end of the buffer spring 8 is fixedly connected to the top end of the main pipe 2 corresponding to the inner wall of the annular piece 1, the top end of the buffer spring 8 can be prevented from being deformed in the inner wall of the annular piece 2 by the design, the annular spring can be prevented from being deformed in the inner pipe 1, the annular spring can be adjusted by the annular gasket 13, the annular gasket can be adjusted by the annular gasket 13, the pressure can be adjusted by the annular gasket 13, and the normal pressure of the pressure meter can be adjusted, and the pressure of the annular gasket can be adjusted by the annular gasket 9, and the normal function can be realized.

Working principle: firstly, after the external thread pipe 10 is connected to the equipment to be monitored, gas is led into the external thread pipe 10 through the equipment to be monitored, the guide surfaces of the annular concave guide block 3 and the conical guide block 5 are guided through the external thread pipe 10, at the moment, the annular concave guide block 3 moves upwards under pressure because the conical guide block 5 is in a fixed state, the annular concave guide block 3 can drive the annular sheet 2 to move upwards through the annular concave guide block 3, the annular sheet 2 acts upward with the buffer spring 8 through the upward acting force of the annular sheet 2, the annular concave guide block 3 moves to the middle part in the main pipe 1 at the moment, the annular sheet 2 and the conical guide block 5 are staggered with the fixed disc 4 and the conical guide block 5, at the moment, the air can be assisted by the different boundary between the annular concave guide block 3 and the conical guide block 5 to the guide pipe 15, the gas can be buffered through the guide dial 16 of the guide pipe 15, and the gas is prevented from being connected with the pressure gauge for the first time, after the first pressure test is finished, the adjustable cover 13 can be rotated to drive the external thread pipe 10 to move upwards, the external thread pipe 10 can drive the annular gasket 9 to move upwards, the annular gasket 9 can move to the bottom of the annular concave flow guiding block 3, the annular concave flow guiding block 3 and the annular sheet 2 can be supported at the moment, the inner wall of the bottom end of the adjustable cover 13 can be propped against the sealing ring 12 to improve the sealing performance, the buffer spring 8 can be in a compressed state, the pressure meter can be normally used at the moment, when the pressure test is required, the adjustable cover 13 is only required to be reversed to drive the external thread pipe 10 and the annular gasket 9 to reset, the annular gasket 9 can be propped against the joint of the external thread pipe 10 and the main pipe 1, the sealing performance is improved, the buffer spring 8 can drive the annular sheet 2 and the annular concave flow guiding block 3 to reset at the moment, for the next pressure test.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a manometer pressure buffer, includes main pipe (1), its characterized in that: the inner wall of the main pipe (1) is connected with an annular sheet (2) in a sliding manner, the bottom end of the annular sheet (2) is fixedly connected with an annular concave flow guide block (3), the inner wall of the annular sheet (2) is provided with a fixed disc (4), the bottom end of the fixed disc (4) is fixedly connected with a conical flow guide block (5), the fixing plate is characterized in that a center column (6) is fixedly connected to the top end of the fixing plate (4), a fixing frame (7) is fixedly connected to the top end of the center column (6), the outer side of the fixing frame (7) is fixedly connected to the top end in a main pipe (1), and a buffer spring (8) is fixedly connected to the bottom end of the fixing frame (7) corresponding to the top end of the annular piece (2).

2. A pressure gauge pressure buffering apparatus as defined in claim 1, wherein: the novel air conditioner is characterized in that an annular gasket (9) is arranged at the bottom end of the main pipe (1) corresponding to the annular concave flow guide block (3), an external threaded pipe (10) is fixedly connected to the bottom end of the annular gasket (9), and the outer wall of the external threaded pipe (10) is slidably connected to the bottom end of the main pipe (1).

3. A pressure gauge pressure buffering apparatus as defined in claim 1, wherein: the novel threaded pipe is characterized in that an internal thread expanding pipe (11) is fixedly connected to the bottom end of the main pipe (1) corresponding to the outer wall of the external thread pipe (10), the inner wall of the internal thread expanding pipe (11) is slidably connected to the middle of the pipe body of the external thread pipe (10), and a sealing ring (12) is fixedly connected to the bottom end of the internal thread expanding pipe (11).

4. A pressure gauge pressure buffer device as claimed in claim 3, wherein: the outer wall of the externally threaded pipe (10) is rotatably connected with an adjusting cover (13) corresponding to the bottom end of the sealing ring (12), and the top end of the adjusting cover (13) is in threaded connection with the bottom end of the main pipe body of the main pipe (1).

5. The pressure buffer device of claim 4, wherein: the outer wall of the external threaded pipe (10) is correspondingly connected with a screw cap (14) at the bottom end of the adjusting cover (13) through threads.

6. A pressure gauge pressure buffering apparatus as defined in claim 1, wherein: the top end of the main pipe (1) is fixedly connected with a flow guide pipe (15), and the top end of the flow guide pipe (15) is fixedly connected with a dial plate (16).

7. A pressure gauge pressure buffering apparatus as defined in claim 1, wherein: the bottom end of the buffer spring (8) is fixedly connected with the inner wall of the main pipe (1) corresponding to the top end of the annular piece (2).