CN216846738U

CN216846738U - Gas table is with leakproofness detection device

Info

Publication number: CN216846738U
Application number: CN202220639269.4U
Authority: CN
Inventors: 林路生; 胡荣贵; 李险峰
Original assignee: Anhui Hongling Intelligent Meter Technology Co ltd
Current assignee: Anhui Hongling Intelligent Meter Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-06-28
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a gas meter sealing performance detection device, including gas meter body, air pump, drinking cup, first conveyer pipe and second conveyer pipe, the output of air pump passes through first conveyer pipe fixed connection with the input of gas meter body, pass through second conveyer pipe connection between the output of gas meter body and the drinking cup, the bottom of air pump and drinking cup is equipped with the base, fixedly connected with spacing seat on the base, still fixedly connected with fixing base on the base; place the gas table body between eccentric wheel and spacing seat, then the clockwise rotation eccentric wheel, can be through the eccentric wheel with gas table body centre gripping on spacing seat, so alright fix the gas table body, through the firm centre gripping to the gas table body, so can let the gas table body examine time measuring, first conveyer pipe and second conveyer pipe can not rock and drop, have guaranteed the stability of gas table body gas tightness when examining time.

Description

Gas table is with leakproofness detection device

Technical Field

The utility model relates to a gas table specifically is a gas table is with leakproofness detection device with leakproofness check out test set technical field.

Background

The gas meter is used for measuring the gas consumption, and consists of a sealing shell, a machine core and a counter, and once gas with certain pressure leaks from the sealing shell of the gas meter in the using process, the life safety of a person can be endangered, so that the tightness detection of the gas meter is particularly important, and the tightness detection of the gas meter after assembly and before use must be carried out. The gas meter sealing performance detection method comprises two methods, namely a dry comparison method and a water test method, wherein the dry comparison method is used for judging the sealing performance of the gas meter according to the pressure change of high-pressure dry gas filled in the gas meter, the water test method is used for judging whether the gas meter is leaked or not according to whether bubbles appear in the gas meter soaked by constant-pressure air, and the latter method is more visual and has higher detection efficiency, so the application range is wider; however, the traditional tightness detection device for the gas meter is not provided with a fixing mechanism, so that the gas meter cannot be effectively fixed, the connection between the gas meter and the conveying pipe is easy to be unstable, and the detection of the gas tightness of the gas meter is influenced.

In summary, the present application provides a gas meter sealing performance detection apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas table does not have fixed establishment with solving traditional gas table and uses leakproofness detection device, can't effectually fix the gas table, leads to the unstability of being connected between gas table and the conveyer pipe easily, influences the problem of the detection of gas table gas tightness, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas is leakproofness detection device for table, includes gas table body, air pump, drinking cup, first conveyer pipe and second conveyer pipe, the output of air pump and the input of gas table body are through first conveyer pipe fixed connection, pass through second conveyer pipe connection between the output of gas table body and the drinking cup, the bottom of air pump and drinking cup is equipped with the base, the spacing seat of fixedly connected with on the base, still fixedly connected with fixing base on the base, rotate on the fixing base and install the eccentric wheel, still be equipped with stop gear on the fixing base.

Preferably, the limiting mechanism is a ratchet wheel which is coaxially and fixedly connected with the eccentric wheel, a non-return pawl is further rotatably mounted in the fixing seat and meshed with the ratchet wheel, and a tension spring is fixedly connected between the non-return pawl and the fixing seat.

Preferably, a pull rope is fixedly connected to the non-return pawl, and one end of the pull rope penetrates through the fixing seat and then is fixedly connected with a pull block.

Preferably, the fixing seat is provided with a limiting bulge.

Preferably, a valve is fixedly arranged on the first conveying pipe.

Preferably, a pressure gauge is further fixedly mounted on the first conveying pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses during the use, place the gas table body between eccentric wheel and spacing seat, then clockwise rotation eccentric wheel, can be through the eccentric wheel with gas table body centre gripping on spacing seat, so alright fix the gas table body, through the firm centre gripping to the gas table body, so can let the gas table body examine time measuring, first conveyer pipe and second conveyer pipe can not rock and drop, have guaranteed that gas table body gas tightness examines the stability of time measuring.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of a front view cross-sectional structure of the fixing base of the present invention;

fig. 3 is an enlarged schematic structural view of a region a in fig. 2 according to the present invention.

Reference numerals: 1. an air pump; 2. a first delivery pipe; 3. a valve; 4. a pressure gauge; 5. a fixed seat; 6. An eccentric wheel; 7. a gas meter body; 8. a limiting seat; 9. a second delivery pipe; 10. a water cup; 11. pulling the block; 12. a ratchet wheel; 13. a limiting bulge; 14. a tension spring; 15. a non-return pawl; 16. pulling a rope; 17. a base.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a gas is leakproofness detection device for table, including gas table body 7, air pump 1, drinking cup 10, first conveyer pipe 2 and second conveyer pipe 9, the output of air pump 1 and the input of gas table body 7 are through first conveyer pipe 2 fixed connection, be connected through second conveyer pipe 9 between the output of gas table body 7 and the drinking cup 10, close the control valve on the gas table body 7, through 1 conveying gas in to first conveyer pipe 2 of air pump, gas passes through gas table body 7 then gets into in the second conveyer pipe 9, then whether produce the bubble in observing drinking cup 10, just can carry out the gas tightness and detect.

Referring to fig. 1-2, wherein, the bottom ends of the air pump 1 and the water cup 10 are provided with a base 17, the base 17 is provided with a limit seat 8, the base 17 is further fixedly connected with a fixing seat 5, the fixing seat 5 is rotatably provided with an eccentric wheel 6, the fixing seat 5 is further provided with a limit mechanism, and the gas meter body 7 is stably clamped by the eccentric wheel 6, so that the first conveying pipe 2 and the second conveying pipe 9 can not fall off when the gas meter body 7 is detected.

Referring to fig. 1-3, the limiting mechanism is a ratchet 12 coaxially and fixedly connected with the eccentric wheel 6, a non-return pawl 15 is further rotatably mounted in the fixed seat 5, the non-return pawl 15 is meshed with the ratchet 12, a tension spring 14 is fixedly connected between the non-return pawl 15 and the fixed seat 5, and through the meshing of the non-return pawl 15 and the ratchet 12, the ratchet 12 and the eccentric wheel 6 can only rotate clockwise in one direction, the eccentric wheel 6 cannot rotate, so that the gas meter body 7 can be stably clamped, and under the action of the tension spring 14, the non-return pawl 15 is tightly abutted to the ratchet 12.

Referring to fig. 1-3, a pull rope 16 is fixedly connected to the non-return pawl 15, one end of the pull rope 16 is fixedly connected to the pull block 11 after passing through the fixing seat 5, and the pull rope 16 drives the non-return pawl 15 to be not engaged with the ratchet 12 by pulling the pull block 11, so that the ratchet 12 and the eccentric wheel 6 lose the characteristic of unidirectional clockwise rotation.

Referring to fig. 1-2, a limiting protrusion 13 is disposed on the fixing base 5, and the limiting protrusion 13 limits the eccentric wheel 6, so that when the eccentric wheel 6 rotates to a horizontal state, the eccentric wheel 6 does not rotate downward. The first delivery pipe 2 is fixedly provided with a valve 3. The first conveying pipe 2 is also fixedly provided with a pressure gauge 4.

The working principle is as follows: when the gas meter is used, the gas meter body 7 is placed on the base 17 and is positioned between the fixed seat 5 and the limiting seat 8, then the eccentric wheel 6 is rotated clockwise, the eccentric wheel 6 is abutted against the side wall of the gas meter body 7, and the gas meter body 7 can be clamped between the limiting seat 8 and the eccentric wheel 6 through the abutment of the eccentric wheel 6 on the gas meter body 7; the eccentric wheel 6 rotates clockwise to drive the ratchet wheel 12 to rotate clockwise, and the ratchet wheel 12 and the eccentric wheel 6 can only rotate clockwise in one direction through the meshing of the non-return pawl 15 and the ratchet wheel 12, the eccentric wheel 6 cannot rotate, so that the gas meter body 7 can be stably clamped, then one end of the first conveying pipe 2 is fixedly connected with the input end of the gas meter body 7, one end of the second conveying pipe 9 is fixedly connected with the output end of the gas meter body 7, and the first conveying pipe 2 and the second conveying pipe 9 cannot fall off when the gas meter body 7 is detected through the stable clamping of the gas meter body 7;

then closing a control valve on the gas meter body 7, opening a valve 3, conveying gas into the first conveying pipe 2 through the gas pump 1, allowing the gas to pass through the gas meter body 7 and then enter the second conveying pipe 9, and observing whether bubbles are generated in the water cup 10, wherein if bubbles are generated, the gas meter body 7 has the problem of gas tightness;

when the gas meter body 7 needs to be taken out, the first conveying pipe 2 and the second conveying pipe 9 are detached, then the pull block 11 is pulled, the pull rope 16 drives the non-return pawl 15 to be not meshed with the ratchet wheel 12, so the ratchet wheel 12 and the eccentric wheel 6 lose the characteristic of one-way clockwise rotation, the eccentric wheel 6 can be rotated anticlockwise, the eccentric wheel 6 is not used for the gas meter body 7, and then the gas meter body 7 is taken out.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 gas is leakproofness detection device for table, includes gas table body (7), air pump (1), drinking cup (10), first conveyer pipe (2) and second conveyer pipe (9), the output of air pump (1) and the input of gas table body (7) are through first conveyer pipe (2) fixed connection, be connected its characterized in that through second conveyer pipe (9) between the output of gas table body (7) and drinking cup (10): the bottom of air pump (1) and drinking cup (10) is equipped with base (17), spacing seat of fixedly connected with (8) is gone up in base (17), go back fixedly connected with fixing base (5) on base (17), it installs eccentric wheel (6) to rotate on fixing base (5), still be equipped with stop gear on fixing base (5).

2. The tightness detection device for a gas meter according to claim 1, characterized in that: stop gear is ratchet (12) with the coaxial fixed connection of eccentric wheel (6), it installs non return pawl (15) still to rotate in fixing base (5), non return pawl (15) and ratchet (12) meshing, fixedly connected with extension spring (14) between non return pawl (15) and fixing base (5).

3. The tightness detection device for a gas meter according to claim 2, characterized in that: a pull rope (16) is fixedly connected to the non-return pawl (15), and one end of the pull rope (16) penetrates through the fixed seat (5) and then is fixedly connected with a pull block (11).

4. The tightness detection device for a gas meter according to claim 3, characterized in that: and the fixed seat (5) is provided with a limiting bulge (13).

5. The tightness detection device for a gas meter according to claim 1, characterized in that: and a valve (3) is fixedly arranged on the first conveying pipe (2).

6. The tightness detection device for a gas meter according to claim 1, characterized in that: and a pressure gauge (4) is fixedly arranged on the first conveying pipe (2).