Valve connector structure of gas meter

Abstract

The utility model discloses a valve connector structure of a gas meter, which comprises the following components: a housing which comprises an upper housing and a lower housing, the lower housing is provided with a placing groove, the groove bottom of the placing groove is provided with at least one first sealing groove, and the upper housing is provided with at least one second sealing groove; and the first sealing ring is arranged between the upper shell and the lower shell, the first sealing ring is located in the placement groove, a first convex rib is arranged at the position, corresponding to the first sealing groove, of the first sealing ring, and a second convex rib is arranged at the position, corresponding to the second sealing groove, of the first sealing ring. Compared with the prior art, the gas meter can solve the problems that an existing gas meter is poor in sealing performance and has potential safety hazards.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas meter, especially a valve connector structure of gas meter. BACKGROUND

[0002] The gas meter is the instrument equipment for measuring the gas flow, and is widely used in civil and industrial fields. With the continuous cleaning of energy in people's daily life, natural gas and gas pipeline gas have gradually replaced traditional fuels such as wood and coal, and become the main source of life and industrial fuel. The gas meter can automatically accumulate and count the gas usage, and provide accurate billing basis for users, so it plays an important role in the gas metering field.

[0003] The gas meter generally measures the gas flow flowing out of the gas outlet of the gas meter by setting a metering module. In the related technology, the gas inlet of the gas meter is connected with a valve, and the gas outlet is directly connected with the metering module, and the metering module can also be connected through an adapter elbow or joint, such as the gas meter disclosed in CN202420574496.2. However, the existing gas meter shell sealing method is to press the trapezoidal first sealing ring with a plane, and this sealing method only has one sealing guarantee, so the sealing performance is poor and there is a safety hazard. SUMMARY

[0004] The utility model discloses a valve connector structure of gas meter, which can solve the problem of poor sealing performance of the gas meter and safety hazards.

[0005] In order to achieve the above purpose, the utility model provides a valve connector structure of gas meter, which comprises:

[0006] The shell comprises an upper shell and a lower shell, the lower shell is provided with a placing groove, the groove bottom of the placing groove is provided with at least a first sealing groove, and the upper shell is provided with at least a second sealing groove;

[0007] The first sealing ring is arranged between the upper shell and the lower shell, the first sealing ring is located in the placing groove, the first sealing ring is provided with a first convex rib at the position corresponding to the first sealing groove, and the first sealing ring is provided with a second convex rib at the position corresponding to the second sealing groove.

[0008] As a further description of the above technical scheme:

[0009] The upper and lower surfaces of the first sealing ring are provided with first sawtooth surfaces, and the upper shell and the lower shell are provided with second sawtooth surfaces at the positions corresponding to the first sawtooth surfaces.

[0010] As a further description of the above technical scheme:

[0011] The first sealing groove and the second sealing groove are arranged in a staggered manner.

[0012] As a further description of the above technical solution:

[0013] The first sealing groove and the second sealing groove are both provided with two.

[0014] As a further description of the above technical solution:

[0015] The lower shell has a receiving cavity, and the lower shell is provided with a gas inlet and a gas outlet.

[0016] As a further description of the above technical solution:

[0017] The upper shell is provided with a plurality of upper connecting plates in the circumferential direction, the upper connecting plates are provided with first screw holes, the lower shell is provided with lower connecting plates corresponding to the positions of the upper connecting plates, the lower connecting plates are provided with second screw holes, and the first screw holes and the second screw holes are provided with bolts.

[0018] As a further description of the above technical solution:

[0019] The upper shell is provided with a sealing strip, the sealing strip is located outside the second sealing groove, the lower shell is provided with a third sealing groove corresponding to the position of the sealing strip, and the third sealing groove is provided with a second sealing ring.

[0020] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are: the first sealing ring is arranged to make the upper shell, the lower shell and the first sealing ring fit together, so as to form the first sealing effect; two first protrusions and two second protrusions are arranged on the upper and lower sides of the first sealing ring, the first protrusions and the second protrusions are clamped with the first sealing groove and the second sealing groove, so as to make the first sealing ring fixed stably, and not easy to deviate when subjected to severe impact, and the first protrusions, the second protrusions, the first sealing groove and the second sealing groove can form a sealing, thereby improving the sealing effect again. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0022] Figure 1 It is a structural schematic view of a valve connector structure of a gas meter.

[0023] Figure 2 It isFigure 1 Enlarged view of area A.

[0024] Figure 3 A perspective view of a valve connector structure of a gas meter.

[0025] Figure 4 A schematic view of a first sealing ring in a valve connector structure of a gas meter.

[0026] Legend:

[0027] 1, housing; 2, placing groove; 3, first sealing groove; 4, second sealing groove; 5, first sealing ring; 6, first convex rib; 7, second convex rib; 8, accommodating cavity; 9, gas inlet; 10, gas outlet; 11, upper housing; 12, lower housing; 13, upper connecting plate; 14, lower connecting plate; 15, bolt; 16, sealing strip; 17, third sealing groove; 18, second sealing ring. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the embodiments of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "inner" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0032] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term '' set '', '' install '', '' link '', '' connect '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside intercommunication. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model with specific situation.

[0033] Please refer to Figures 1-4 The utility model provides a valve connector structure of gas meter, include:

[0034] The shell 1 includes upper shell 11 and lower shell 12, and the lower shell 12 is provided with a placing groove 2, and the groove bottom of the placing groove 2 is provided with at least a first sealing groove 3, and the upper shell 11 is provided with at least a second sealing groove 4;

[0035] The first sealing ring 5 is arranged between the upper shell 11 and the lower shell 12, and the first sealing ring 5 is located in the placing groove 2, and the first sealing ring 5 is provided with a first rib 6 corresponding to the position of the first sealing groove 3, and the first sealing ring 5 is provided with a second rib 7 corresponding to the position of the second sealing groove 4.

[0036] The upper and lower surfaces of the first sealing ring 5 are both provided with first sawtooth surfaces, and the upper shell 11 and the lower shell 12 are provided with second sawtooth surfaces corresponding to the positions of the first sawtooth surfaces. The first sawtooth surface and the second sawtooth surface are clamped with each other, which can improve the sealing effect.

[0037] The first sealing groove 3 and the second sealing groove 4 are arranged in a staggered manner. The first sealing groove 3 and the second sealing groove 4 are both provided with two. The sealing effect can be improved.

[0038] The lower shell 12 has a containing cavity 8, and the lower shell 12 is provided with a gas inlet 9 and a gas outlet 10.

[0039] The upper shell 11 is provided with a plurality of upper connecting plates 13 along the circumference thereof, the upper connecting plates 13 are provided with first screw holes, the lower shell 12 is provided with lower connecting plates 14 corresponding to the positions of the upper connecting plates 13, the lower connecting plates 14 are provided with second screw holes, and the first screw holes and the second screw holes are provided with bolts 15. The upper shell and the lower shell are connected by a plurality of bolts, which can facilitate the installation and removal of the upper shell, and also make the upper shell and the lower shell more firmly fixed.

[0040] The upper shell 11 is provided with a sealing strip 16, which is located outside the second sealing groove, and the lower shell is provided with a third sealing groove 17 corresponding to the position of the sealing strip 16, and the third sealing groove 17 is provided with a second sealing ring 18. The sealing strip is inserted into the third sealing groove, which can make the upper shell more stable. The sealing strip, the third sealing groove and the second sealing ring are in interference fit, which can form a second sealing and improve the sealing effect.

[0041] Working principle: the first sealing ring is arranged to make the upper shell, the lower shell and the first sealing ring in interference fit, which can form a first sealing effect; two first protrusions and two second protrusions are arranged on the upper and lower sides of the first sealing ring respectively, the first protrusions and the second protrusions are clamped with the first sealing groove and the second sealing groove, which can make the first sealing ring stable, and the first protrusions and the second protrusions can form a sealing between the first sealing groove and the second sealing groove, which can improve the sealing effect.

[0042] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A valve connector structure for a gas meter, characterised in that, The utility model relates to a gas stove, including: A shell includes an upper shell and a lower shell, a placing groove is arranged on the lower shell, a groove bottom of the placing groove is provided with at least a first sealing groove, at least a second sealing groove is arranged on the upper shell; A first sealing ring is arranged between the upper shell and the lower shell, the first sealing ring is located in the placing groove, the first sealing ring is provided with a first convex rib at the position corresponding to the first sealing groove, and the first sealing ring is provided with a second convex rib at the position corresponding to the second sealing groove.

2. A valve connector structure for a gas meter according to claim 1, wherein The upper and lower surfaces of the first sealing ring are provided with first sawtooth surfaces, and the upper shell and the lower shell are provided with second sawtooth surfaces at positions corresponding to the first sawtooth surfaces.

3. A valve connector structure for a gas meter according to claim 1, wherein The first sealing groove and the second sealing groove are arranged in a staggered manner.

4. A valve connector structure for a gas meter according to claim 1, wherein Both the first sealing groove and the second sealing groove are provided with two.

5. A valve connector structure for a gas meter according to claim 1, wherein The lower shell has a receiving cavity, a gas inlet and a gas outlet are arranged on the lower shell.

6. A valve connector structure for a gas meter according to claim 1, wherein The upper shell is provided with a plurality of upper connecting plates along the circumference thereof, the upper connecting plates are provided with first screw holes, the lower shell is provided with lower connecting plates at positions corresponding to the upper connecting plates, the lower connecting plates are provided with second screw holes, and bolts are arranged in the first screw holes and the second screw holes.

7. A valve connector structure for a gas meter according to claim 1, wherein The upper shell is provided with a sealing strip, the sealing strip is located outside the second sealing groove, the lower shell is provided with a third sealing groove at a position corresponding to the sealing strip, and the third sealing groove is provided with a second sealing ring.

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