CN213985498U

CN213985498U - Front and back pressure measuring device for gas meter

Info

Publication number: CN213985498U
Application number: CN202120196036.7U
Authority: CN
Inventors: 陈万健; 李森; 林敏�
Original assignee: Fuding Enron Gas Co ltd
Current assignee: Fuding Enron Gas Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-08-17
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a pressure measurement device around gas table, including connecting piece, core seat, core, valve inside and inspection hole, the inside core seat that is provided with in top of connecting piece, and the bottom of core seat installs the core, the surface of core is connected with first sealing washer, and the bottom outside of core is provided with the second sealing washer, the valve inside is installed to the below of second sealing washer, and the bottom middle part of valve inside is connected with the adjusting lever, the top outside of adjusting lever is provided with the mounting panel, and the middle part outside of adjusting lever is fixed with the gag lever post, the bottom outside of gag lever post is provided with reset spring, the below of adjusting lever is provided with the extrusion piece, the inspection hole has been seted up to the bottom of installation lid. This pressure measurement device around gas table conveniently detects the pipeline around the gas table simultaneously, and sealed effectual, avoids influencing the testing result, is convenient for proclaim oneself moreover, prevents to dismantle in-process gas leakage.

Description

Front and back pressure measuring device for gas meter

Technical Field

The utility model relates to a gas table technical field specifically is a pressure measurement device around gas table.

Background

In the use process of the gas meter, in order to eliminate potential safety hazards and avoid accidents, a pressure measuring device is required to be used for periodically measuring the pressure of front and rear pipelines of the gas meter and detecting whether the gas leakage condition occurs;

however, the common pressure measuring devices on the market are inconvenient to detect the front pipeline and the rear pipeline of the gas meter simultaneously, are poor in sealing effect, influence the detection result, are inconvenient to self-seal, and can leak gas in the disassembly process, so that the pressure measuring device for the front pipeline and the rear pipeline of the gas meter is provided, and the problems in the prior art are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back pressure measuring device before gas table to it is inconvenient to carry out the simultaneous detection to the pipeline around the gas table to provide in solving above-mentioned background art, and sealed effect is poor, influences the testing result, is not convenient for proclaim oneself moreover, dismantles the problem that the in-process can leak gas.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure measurement device around gas table, includes connecting piece, core seat, core, valve inside and inspection hole, the inside core seat that is provided with in top of connecting piece, and the bottom of core seat installs the core, the surface connection of core has first sealing washer, and the bottom outside of core is provided with the second sealing washer, the valve inside is installed to the below of second sealing washer, and the bottom mid-portion of valve inside is connected with the adjusting lever, the top outside of adjusting lever is provided with the mounting panel, and the middle part outside of adjusting lever is fixed with the gag lever post, the bottom outside of gag lever post is provided with reset spring, and reset spring's bottom installs the anticreep board, the below of adjusting lever is provided with the extrusion piece, and the below of extrusion piece is provided with the installation lid, the inspection hole has been seted up to the bottom of installation lid, and installs the below fixedly connected with plug tube of lid.

Preferably, the diameter length of core increases from last to down in proper order, and the longitudinal section of core is the isosceles trapezoid structure setting to the connected mode of core and first sealing washer is for pasting the connection.

Preferably, the core and the valve core are fixedly connected to form an integrated structure, the second sealing ring and the valve core are connected in a sticking mode, the valve core and the connecting piece form a closed structure, and the valve core and the connecting piece form a detachable structure.

Preferably, the connecting mode of adjusting lever and mounting panel is the welding, and the mounting panel is the equal angle setting in the top outside of adjusting lever to the mounting panel is the interval setting with the gag lever post.

Preferably, the adjusting rod and the mounting plate form a lifting structure, the adjusting rod penetrates through the inside of the valve core, and the bottom of the valve core is provided with a groove-shaped structure.

Preferably, the connection mode of the mounting cover and the connecting piece is threaded connection, and the detection holes are arranged in bilateral symmetry about the central axis of the mounting cover.

Compared with the prior art, the beneficial effects of the utility model are that: the front and rear pressure measuring devices for the gas meter are convenient for simultaneously detecting the front and rear pipelines of the gas meter, have good sealing effect, avoid influencing the detection result, are convenient for self sealing, and prevent gas leakage in the disassembly process;

1. the gas meter is provided with the mounting cover and the inserting pipes, the connecting piece single bodies are respectively inserted into the front pipeline and the rear pipeline of the gas meter, and the inserting pipe single bodies at the bottom of the connecting piece are connected with the pressure measuring device by using a three-way pipeline on the market, so that the front pipeline and the rear pipeline of the gas meter can be simultaneously detected conveniently;

2. the core body is provided with the first sealing ring and the second sealing ring, the diameter and the length of the core body are sequentially increased from top to bottom, when the core body is in threaded connection with the inner side of the connecting piece, the side face of the core body and the connecting piece can be sealed through the first sealing ring, double sealing can be performed between the core body and the connecting piece through the second sealing ring, the sealing effect is good, and the detection result is prevented from being influenced;

3. be provided with adjusting lever and mounting panel, detecting the in-process of accomplishing getting rid of the installation lid, the adjusting lever loses the extrusion of extrusion piece to through reset spring, the control adjusting lever is downward steady removal under the effect of gag lever post, and seals the trough-shaped structure of valve core bottom through the mounting panel, is convenient for proclaim oneself, prevents that detection device from dismantling the in-process gas leakage.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the whole structure of the valve inside of the present invention;

FIG. 3 is a schematic view of the connection structure of the adjusting rod and the limiting rod of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a connecting member; 2. a core print; 3. a core body; 4. a first seal ring; 5. a second seal ring; 6. a valve core; 7. an adjusting lever; 8. mounting a plate; 9. a limiting rod; 10. a return spring; 11. an anti-drop plate; 12. extruding the block; 13. installing a cover; 14. a detection hole; 15. and (4) inserting the tube.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a front and rear pressure measuring device of a gas meter comprises a connecting piece 1, a core seat 2, a core body 3, a first sealing ring 4, a second sealing ring 5, a valve core 6, an adjusting rod 7, a mounting plate 8, a limiting rod 9, a reset spring 10, an anti-falling plate 11, an extrusion block 12, a mounting cover 13, a detection hole 14 and an insertion pipe 15, wherein the core seat 2 is arranged inside the top end of the connecting piece 1, the core body 3 is arranged at the bottom of the core seat 2, the outer surface of the core body 3 is connected with the first sealing ring 4, the outer side of the bottom of the core body 3 is provided with the second sealing ring 5, the valve core 6 is arranged below the second sealing ring 5, the middle part of the bottom end of the valve core 6 is connected with the adjusting rod 7, the outer side of the top end of the adjusting rod 7 is provided with the mounting plate 8, the outer side of the middle part of the adjusting rod 7 is fixed with the limiting rod 9, the outer side of the bottom of the limiting rod 9 is provided with the reset spring 10, and the anti-falling plate 11 is arranged at the bottom of the reset spring 10, an extrusion block 12 is arranged below the adjusting rod 7, an installation cover 13 is arranged below the extrusion block 12, a detection hole 14 is formed in the bottom of the installation cover 13, and an insertion pipe 15 is fixedly connected below the installation cover 13.

As shown in fig. 1, 2 and 3, the diameter length of the core body 3 is sequentially increased from top to bottom, the longitudinal section of the core body 3 is in an isosceles trapezoid structure, the core body 3 is connected with the first sealing ring 4 in a sticking manner, so that the core body 3 and the connecting piece 1 are conveniently sealed, the core body 3 and the valve core 6 are fixedly connected to form an integrated structure, the second sealing ring 5 is connected with the valve core 6 in a sticking manner, the valve core 6 and the connecting piece 1 form a closed structure, the valve core 6 and the connecting piece 1 form a disassembly structure, so that assembly and part replacement are convenient, the adjusting rod 7 and the mounting plate 8 are connected in a welding manner, the mounting plate 8 is arranged at equal angles on the outer side of the top end of the adjusting rod 7, and the mounting plate 8 and the limiting rod 9 are arranged at intervals, so that the lifting stability of the adjusting rod 7 and the mounting plate 8 can be improved;

as in fig. 1 and 4, the adjusting rod 7 and the mounting plate 8 form a lifting structure, the adjusting rod 7 penetrates through the inside of the valve core 6, and the bottom of the valve core 6 is provided with a groove-shaped structure, so that the device is self-sealed and prevented from air leakage, the mounting cover 13 is in threaded connection with the connecting piece 1, and the detection holes 14 are arranged in bilateral symmetry with respect to the central axis of the mounting cover 13, so that simultaneous pressure measurement on the front and rear pipelines of the gas pipe is facilitated, and the practicability of the device is improved.

The working principle is as follows: when the device for measuring the pressure of the front and the rear of the gas meter is used, the top end of the connecting piece 1 in the figure 1 is inserted into the front and the rear side pipelines of the gas meter, the core body 3 is arranged at the inner side of the connecting piece 1, as the diameter length of the core body 3 is sequentially increased from top to bottom, when the core body 3 is in threaded connection with the inner side of the connecting piece 1, the side surface of the core body 3 and the connecting piece 1 can be sealed through the first sealing ring 4, and the core body 3 and the connecting piece 1 can be in double sealing through the second sealing ring 5, the sealing effect is good, the gas leakage is prevented, the detection result is avoided, the mounting cover 13 is in threaded connection with the outer side of the bottom of the connecting piece 1, then the three-way pipeline on the market is used for connecting the pressure measuring pipes 15 at the bottom of the mounting cover 13 with the pressure measuring device, thereby the front and the rear pipelines of the gas meter can be simultaneously detected, the detection effect is high, the practicability is enhanced;

in the process of detecting and completing the disassembly of the mounting cover 13, the adjusting rod 7 in the figure 4 loses the extrusion of the extrusion block 12, so that the elastic potential energy of the reset spring 10 is released, thereby controlling the downward stable movement of the adjusting rod 7 in the figure 3 under the action of the limiting rod 9, and sealing the groove-shaped structure at the bottom of the valve core 6 through the mounting plate 8, the device is convenient to self-seal, the gas leakage in the disassembly process of the detection device is prevented, the potential safety hazard can be eliminated, the device is convenient to use, and a series of operations of the front and rear pressure measuring devices of the gas meter are completed.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a back pressure measuring device before gas table, includes connecting piece (1), core seat (2), core (3), valve core (6) and inspection hole (14), its characterized in that: a core seat (2) is arranged inside the top end of the connecting piece (1), a core body (3) is arranged at the bottom of the core seat (2), a first sealing ring (4) is connected to the outer surface of the core body (3), a second sealing ring (5) is arranged on the outer side of the bottom of the core body (3), a valve core (6) is arranged below the second sealing ring (5), an adjusting rod (7) is connected to the middle of the bottom end of the valve core (6), a mounting plate (8) is arranged on the outer side of the top end of the adjusting rod (7), a limiting rod (9) is fixed on the outer side of the middle of the adjusting rod (7), a reset spring (10) is arranged on the outer side of the bottom of the limiting rod (9), an anti-falling plate (11) is arranged at the bottom of the reset spring (10), an extrusion block (12) is arranged below the adjusting rod (7), and a mounting cover (13) is arranged below the extrusion block (12), the bottom of the mounting cover (13) is provided with a detection hole (14), and a plug-in pipe (15) is fixedly connected below the mounting cover (13).

2. The front and rear pressure measuring device for the gas meter according to claim 1, characterized in that: the diameter length of core (3) increases from last to down in proper order, and the longitudinal section of core (3) is isosceles trapezoid structure and sets up to the connected mode of core (3) and first sealing washer (4) is for pasting the connection.

3. The front and rear pressure measuring device for the gas meter according to claim 1, characterized in that: the core body (3) and the valve core (6) are fixedly connected to form an integrated structure, the second sealing ring (5) and the valve core (6) are connected in a sticking mode, the valve core (6) and the connecting piece (1) form a closed structure, and the valve core (6) and the connecting piece (1) form a disassembly structure.

4. The front and rear pressure measuring device for the gas meter according to claim 1, characterized in that: the connecting mode of adjusting rod (7) and mounting panel (8) is the welding, and mounting panel (8) are the equal angle setting in the top outside of adjusting rod (7) to mounting panel (8) are the interval setting with gag lever post (9).

5. The front and rear pressure measuring device for the gas meter according to claim 1, characterized in that: the adjusting rod (7) and the mounting plate (8) form a lifting structure, the adjusting rod (7) penetrates through the inside of the valve core (6), and a groove-shaped structure is arranged at the bottom of the valve core (6).

6. The front and rear pressure measuring device for the gas meter according to claim 1, characterized in that: the mounting cover (13) is connected with the connecting piece (1) in a threaded manner, and the detection holes (14) are arranged in a left-right symmetrical mode relative to the central axis of the mounting cover (13).