CN218765880U - Gas tightness detection equipment for household gas pipeline - Google Patents

Abstract

The utility model discloses a gas pipeline gas tightness check out test set registers one's residence, it includes first rubber tube, second rubber tube, third rubber tube, sacculus, admission valve, tee bend and U type pressure gauge, U type pressure gauge includes rectangular bottom plate, the front of bottom plate is equipped with vertical scale bar and installs U type pipe, U type intraductal working solution that is provided with, the one end of first rubber tube, second rubber tube and third rubber tube is connected with three interface of tee bend respectively, the other one end of first rubber tube is connected with the sacculus through the admission valve, the other one end of second rubber tube is connected with a mouth of pipe of U type pipe. The gas tightness detection equipment for the household gas pipeline can accurately control the gas pressure value in the household gas pipeline and can ensure that the gas tightness detection of the household gas pipeline is smoothly carried out.

Description

Gas tightness detection equipment for household gas pipeline

Technical Field

The utility model relates to a check out test set technical field especially relates to a gas pipeline gas tightness check out test set of registering one's residence.

Background

When the gas is connected into a household gas pipeline of a user home for the first time, the gas tightness of the household gas pipeline needs to be detected, at present, the household gas pipeline of the household of the gas user comprises a gas inlet pipe, two ends of the gas inlet pipe are respectively connected with a gas vertical pipe and a gas nozzle, the gas nozzle is connected with a cooker in the household of the gas user through a leather hose, a first valve, a gas meter and a second valve are sequentially arranged on the gas inlet pipe between the gas vertical pipe and the gas nozzle along the gas flowing direction (namely the direction from the gas vertical pipe to the gas nozzle), the first valve is closed firstly when the gas tightness of the household gas pipeline is detected, the second valve is opened, then one end of the rubber hose is connected with the gas nozzle, a worker blows gas into the gas inlet pipe through the rubber hose, when the gas pressure in the gas inlet pipe is estimated to reach more than 5000Pa, the blowing is stopped, the rubber hose is pinched by hands to prevent gas leakage, then the other end of the rubber hose is connected onto a U-shaped pressure gauge, and the requirement can be met after waiting for 15 minutes without pressure drop.

According to relevant regulations, a safety self-closing valve is required to be arranged on an air inlet pipe between an air faucet and a second valve, and the safety self-closing valve can be automatically closed when the air pressure in the air inlet pipe reaches +/-8000 Pa. Then, the problem will occur that when the air is blown into the air inlet pipe, the air pressure in the air inlet pipe is large enough, the worker is not clear and can only estimate that the air pressure can meet more than 5000Pa, if the air pressure in the air inlet pipe reaches 8000Pa or higher, the safety self-closing valve will be closed, at this moment, after the rubber pipe is connected to the U-shaped pressure gauge, the measured air pressure is only the air pressure in the rubber pipe, and the air tightness of the gas pipeline entering the house cannot be detected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can accurate control the interior gas pressure value of gas pipeline of registering one's residence and can guarantee that gas pipeline gas tightness of registering one's residence detects the gas pipeline gas tightness check out test set of registering one's residence who goes on smoothly.

The utility model discloses gas pipeline gas tightness check out test set registers one's residence, including first rubber tube, second rubber tube, third rubber tube, sacculus, admission valve, tee bend and U type pressure gauge, U type pressure gauge includes rectangular bottom plate, the front of bottom plate is equipped with vertical scale strip and installs U type pipe, U type intraductal working solution that is provided with, the one end of first rubber tube, second rubber tube and third rubber tube is connected with three interface of tee respectively, the other one end of first rubber tube is connected with the sacculus through the admission valve, the other one end of second rubber tube is connected with a mouth of pipe of U type pipe.

The utility model discloses gas pipeline gas tightness check out test set registers one's residence, wherein the upper end vertical fixation at the bottom plate back is provided with a cylindric string post.

The utility model discloses gas pipeline gas tightness check out test set registers one's residence, wherein the outer peripheral face cover of string post is equipped with the rubber sleeve.

The utility model discloses gas pipeline gas tightness check out test set registers one's residence wherein still includes a bandage, the tee bend passes through bandage and U type pressure gauge fixed connection.

The utility model discloses gas pipeline gas tightness check out test set registers one's residence, wherein the bandage is located the scale mark department that represents 2500Pa on the scale strip.

The utility model discloses gas tightness check out test set of gas pipeline of registering one's residence lies in with prior art difference the utility model discloses when using, first valve is closed earlier, open second valve and admission valve, with the vertical placement of U type pressure gauge, later keep away from the one end of tee bend with the third rubber tube and be connected with the air cock, constantly aerify in first rubber tube through the sacculus, at this in-process, the staff can directly observe the gas pressure value in the gas pipeline of registering one's residence through U type pressure gauge, gas pressure value in the gas pipeline of registering one's residence starts to rise from 0, when rising to more than 5000Pa, can be greater than 5000Pa slightly and stop aerifing promptly, close the admission valve, prevent that the gas in the first rubber tube from revealing to the external world by the sacculus, satisfy the detection condition this moment and can not trigger safe self-closing valve and close yet, wait for 15 minutes, it has the pressure drop then to explain the gas pipeline of registering one's residence to have the gas leakage point when U type pressure gauge, need the maintenance, no pressure drop when U type pressure gauge, it is good to explain the gas tightness of gas pipeline of registering one's residence, do not need not maintain. Therefore, the utility model discloses the gas pressure value in the control gas pipeline of registering one's residence that can be accurate can guarantee that gas pipeline gas tightness of registering one's residence detects and goes on smoothly.

The present invention will be further explained with reference to the accompanying drawings.

Drawings

FIG. 1 is a diagram showing a state of the gas tightness detecting device for household gas pipelines according to the present invention;

fig. 2 is a schematic structural view of the gas tightness detecting device for household gas pipelines of the present invention;

FIG. 3 is a schematic structural view of the gas tightness detecting device for household gas pipelines according to the present invention, wherein the U-shaped pressure gauge, the hanging column and the rubber sleeve are used in cooperation;

fig. 4 is a right side view of fig. 3.

Detailed Description

As shown in fig. 2, the utility model discloses gas pipeline gas tightness check out test set registers one's residence includes first rubber tube 11, second rubber tube 9, third rubber tube 8, sacculus 13, admission valve 12, tee bend 10 and U type pressure gauge, U type pressure gauge includes rectangular bottom plate 14, bottom plate 14's front is equipped with vertical scale bar 15 and installs U type pipe 17, be provided with the working solution in the U type pipe 17, the one end of first rubber tube 11, second rubber tube 9 and third rubber tube 8 is connected with tee bend 10's three interface respectively, the other one end of first rubber tube 11 is connected with sacculus 13 through admission valve 12, the other one end of second rubber tube 9 is connected with a mouth of pipe of U type pipe 17.

As shown in fig. 3 and 4, in order to facilitate the placement of the U-shaped pressure gauge of the present invention, a cylindrical hanging column 19 is vertically fixed at the upper end of the back surface of the bottom plate 14. The utility model discloses when in actual use, will hang post 19 and hang on the top of a kitchen range in order to make U type pressure gauge be in vertical state.

In order to increase the friction force between the hanging column 19 and the kitchen range and prevent the hanging column 19 from damaging the kitchen range, the outer circumferential surface of the hanging column 19 is sleeved with a rubber sleeve 18.

As shown in fig. 2, in order to fix the relative position of the tee joint 10 and the U-shaped pressure gauge, the present invention further comprises a binding band 16, and the tee joint 10 is fixedly connected with the U-shaped pressure gauge through the binding band 16. The utility model discloses the length of the first rubber tube of design 11 that can be reasonable, after the relative position of tee bend 10 and U type pressure gauge is fixed, the relative position of admission valve 12 and sacculus 13 and U type pressure gauge is also fixed thereupon, the staff just can more convenient use like this the utility model discloses a.

The band 16 is located on the scale bar 15 at a scale mark representing 2500 Pa. The strap 16 is more conspicuous and easily recognizable relative to the scale markings on the scale bar 15 representing 2500 Pa.

As shown in fig. 1 and 2, the gas pipeline of registering one's residence in the gas user's home includes intake pipe 2, the both ends of intake pipe 2 are connected with gas riser 1 (gas riser 1 connects outdoor gas pipe network) and air cock 7 respectively, air cock 7 is connected with the cooking utensils in the gas user's home through the leather hose (not shown in the figure), gas riser 1 and air cock 7 between intake pipe 2 go up along the gas flow direction (from gas riser 1 to the direction of air cock 7 promptly) have set gradually first valve 4, gas table 3 and second valve 5, safety self-closing valve 6 is installed on intake pipe 2 between air cock 7 and second valve 5.

The utility model discloses when using, close first valve 4 earlier, open second valve 5 and admission valve 12, if there is the leather hose of connecting air cock 7 and cooking utensils then demolish the leather hose from air cock 7, hang post 19 on the top of a kitchen range in and make U type pressure gauge be in vertical state, later be connected the one end that tee bend 10 was kept away from to third rubber hose 8 with air cock 7, constantly aerify in first rubber hose 11 through sacculus 13, in this process, the staff can directly observe the gas pressure value in the gas pipeline of registering one's residence through U type pressure gauge, the gas pressure value in the gas pipeline of registering one's residence starts rising from 0, when rising to more than 5000Pa, can be greater than 5000Pa slightly and stop to aerify, the liquid level position of the working solution in U type 17 and the mouth of pipe of atmosphere intercommunication comes 16 positions department in this time, close admission valve 12 after that, prevent that gas in the first rubber hose 11 from revealing by sacculus 13 outside, satisfy the detection condition this moment and also can not trigger safety valve 6 and close, 15 minutes, if the liquid level position of working solution in U type 17 and the atmosphere intercommunication does not need the maintenance bandage to change, then there is good for the maintenance point of gas pipeline of gas leakage relatively, it is not to take place to describe for both, it is good to keep the gas leakage. Therefore, the utility model discloses the gas pressure value in the control gas pipeline of registering one's residence that can be accurate can guarantee that gas pipeline gas tightness of registering one's residence detects and goes on smoothly.

It should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (5)

1. The utility model provides a gas tightness check out test set of gas pipeline of registering one's residence which characterized in that: including first rubber tube, second rubber tube, third rubber tube, sacculus, admission valve, tee bend and U type pressure gauge, U type pressure gauge includes rectangular bottom plate, the front of bottom plate is equipped with vertical scale bar and installs U type pipe, the intraductal working solution that is provided with of U type, the one end of first rubber tube, second rubber tube and third rubber tube is connected with three interface of tee bend respectively, the other one end of first rubber tube is connected with the sacculus through the admission valve, the other one end of second rubber tube is connected with a mouth of pipe of U type pipe.

2. The household gas pipe airtightness detection apparatus according to claim 1, wherein: the upper end of the back of the bottom plate is vertically and fixedly provided with a cylindrical hanging column.

3. The household gas conduit airtightness detection apparatus according to claim 2, wherein: the peripheral surface of the hanging column is sleeved with a rubber sleeve.

4. The household gas conduit airtightness detection apparatus according to claim 3, wherein: still include a bandage, the tee bend passes through bandage and U type pressure gauge fixed connection.

5. The household gas conduit airtightness detection apparatus according to claim 4, wherein: the bandage is positioned on the scale mark representing 2500Pa on the scale bar.

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