CN209892913U - Connecting device for leak test on gas valve - Google Patents
Connecting device for leak test on gas valve Download PDFInfo
- Publication number
- CN209892913U CN209892913U CN201920716307.XU CN201920716307U CN209892913U CN 209892913 U CN209892913 U CN 209892913U CN 201920716307 U CN201920716307 U CN 201920716307U CN 209892913 U CN209892913 U CN 209892913U
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- valve
- hole
- joint
- positioning
- connector
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- Expired - Fee Related
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Abstract
The utility model relates to a connecting device for leak test on a gas valve, which comprises a valve body, wherein the valve body is provided with an air inlet end and an air outlet end; an integrated valve joint is arranged at the air outlet end of the valve body, a connector is connected to the valve joint, a valve hole is formed in the valve joint, and a joint hole is formed in the connector; a positioning through hole is formed in the joint hole, a positioning step is formed in the joint hole, and a first vent hole is formed in the valve body; a vent groove is arranged in the valve hole, a spring and a sliding plug are arranged in the valve hole, a positioning boss is arranged at the lower end of the sliding plug, and an O-shaped sealing ring is arranged on the upper side of the positioning boss; the connecting head can be connected with a sealing end cover or a joint component according to use selection, the joint component comprises a pressure gauge joint and a fixing nut, and the pressure gauge joint is provided with an air duct and an air vent II. The utility model discloses valve body at the gas valve is provided with connecting device, is convenient for connect the installation manometer, and this section connecting tube whether exists the leakage between gas valve and the gas-cooker of test play that can be simple and convenient.
Description
Technical Field
The utility model relates to a gas valve technical field especially relates to a leak test's connecting device on gas valve.
Background
The gas valve is arranged on the gas pipeline and used for controlling the connection and disconnection between gas in the gas pipeline and the gas stove, and a pipeline is required to be connected between the gas valve and the gas stove; a valve body of the existing gas valve is provided with a test interface, the method for testing the pressure of a connecting pipeline at present is to connect a U-shaped pressure gauge on the test interface, when in use, an operator needs to blow air into the U-shaped pressure gauge through an opening part and then watches whether air leaks; however, in the testing method, because the U-shaped pressure gauge has a large volume and one end of the U-shaped pressure gauge needs to be blown by a nozzle when the U-shaped pressure gauge works, the use is very inconvenient, and the prior art means does not have a method for simply, directly and effectively testing whether the connecting pipeline leaks or not, so that people often neglect the detection of whether the pipeline leaks or not, not only is the waste of gas leakage caused, but also the safety risk exists.
Disclosure of Invention
The utility model provides a solve above defect and provide a leak testing's connecting device on gas valve, be provided with connecting device at the valve body of gas valve, be convenient for connect the installation manometer, this section connecting tube whether exists the leakage between gas valve and the gas-cooker can simple and convenient test.
In order to solve the technical problem, the utility model adopts the technical scheme that: a connecting device for a leakage test on a gas valve comprises a valve body, wherein the valve body is provided with an air inlet end and an air outlet end; an integrated valve joint is arranged at the air outlet end of the valve body, a connector is in threaded connection with the valve joint, a valve hole is formed in the valve joint, and a joint hole is formed in the connector; a positioning through hole communicated with the valve hole is formed in the joint hole, a positioning step is formed, a plurality of vent grooves communicated with the positioning through hole are uniformly formed in the inner circumference of the valve hole, and a first vent hole communicated with the valve hole and the vent grooves is formed in the valve body; a spring and a sliding plug are arranged in the valve hole, the lower end of the sliding plug is provided with a positioning boss, the upper end of the sliding plug penetrates through the positioning through hole and extends into the joint hole, the upper end of the spring is abutted against the positioning boss, the lower end of the spring is abutted against the valve body, and an O-shaped sealing ring which can be in sealing abutment with the positioning step is arranged on the sliding plug and on the upper side of the positioning boss; the pressure gauge connector is fixed on the connecting head by the fixing nut, and the lower end of the pressure gauge connector pushes against the upper end of the sliding plug to move downwards; the upper end of the connector is provided with a first sealing gasket.
The diameter of the positioning through hole is smaller than that of the positioning boss, and the lower end of the positioning through hole is provided with an annular sealing conical surface.
And a second sealing gasket is arranged between the upper end of the valve joint and the connector.
The diameter of the positioning boss is equal to and matched with the diameter of the valve hole.
The utility model discloses following beneficial effect has:
compared with the prior art, the utility model discloses when this section connecting tube between test gas valve and the gas-cooker whether has the leakage, connect manometer on the coupling assembling to the manometer joint, again with coupling assembling fixed connection on the connector, manometer joint is to the slip end cap roof pressure, thereby make the internal gas of valve communicate with each other with the manometer, at this moment close the gas valve again, just can observe this section connecting tube between gas valve and the gas-cooker through the manometer and have the gas pressure change to some extent, thereby judge this section pipeline whether has the leakage, simple and convenient for current detection means, more can direct effectual inspection this section connecting tube between gas valve and the gas-cooker whether has the leakage; the detection method is simple to operate, and the household user can detect the detection according to the requirement; thereby further ensuring the safety of use.
Drawings
FIG. 1 is a partial sectional view of the end cap of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a partial cross-sectional view of the connector assembly of the present invention; (ii) a
Fig. 4 is an enlarged view of a portion B of fig. 3.
Detailed Description
The invention is further explained by combining the attached drawings.
Referring to fig. 1 to 4, the present invention provides a connection device for leak testing on a gas valve, which includes a valve body 1, wherein the valve body 1 has an air inlet end 3 and an air outlet end 4; an integrated valve joint 5 is arranged on the air outlet end 4 of the valve body 1, a connector 6 is connected to the valve joint 5 in a threaded manner, a valve hole 7 is formed in the valve joint 5, and a connector hole 8 is formed in the connector 6; a positioning through hole 9 communicated with the valve hole 7 is formed in the joint hole 8, a positioning step 10 is formed, a plurality of vent grooves 11 communicated with the positioning through hole 9 are uniformly formed in the inner circumference of the valve hole 7, and vent holes I12 communicated with the valve hole 7 and the vent grooves 11 are formed in the valve body 1; a spring 13 and a sliding plug 14 are arranged in the valve hole 7, the lower end of the sliding plug 14 is provided with a positioning boss 15, the upper end of the sliding plug 14 penetrates through the positioning through hole 9 and extends into the joint hole 8, the upper end of the spring 13 is abutted against the positioning boss 15, the lower end of the spring is abutted against the valve body 1, and an O-shaped sealing ring 16 capable of being in sealing abutment with the positioning step 10 is arranged on the sliding plug 14 and the upper side of the positioning boss 15, so that the positioning through hole 9 is sealed and blocked; the connector 6 can be selectively connected with a sealing end cover 17 or a connector assembly according to use, the connector assembly comprises a pressure gauge connector 18 and a fixing nut 19, an air channel 20 is arranged on the pressure gauge connector 18, a second air vent 21 communicated with the air channel 20 is arranged on the side face of the lower end of the pressure gauge connector 18, the pressure gauge connector 18 is fixed on the connector 6 by the fixing nut 19, and the lower end of the pressure gauge connector 18 pushes and presses the upper end of the sliding plug 14 to move downwards, so that the connector hole 8 of the connector 6 is communicated with the valve hole 7 and the air channel 11, and the air channel 20 of the pressure gauge connector 18 is communicated with the interior of the valve body 1; the upper end of the connector 6 is provided with a first sealing gasket 22, so that the sealing performance of the sealing end cover 17 or the connector assembly when the connector 6 is connected is ensured.
The diameter of the positioning through hole 9 is smaller than that of the positioning boss 15, and the lower end of the positioning through hole 9 is provided with an annular sealing conical surface 23; the O-ring 16 is thereby brought into contact with the annular seal tapered surface 23, and the sealing performance is further improved.
And a second sealing gasket 24 is arranged between the upper end of the valve joint 5 and the connecting head 6, so that the connection tightness is ensured.
The diameter of the positioning boss 15 is equal to and matched with that of the valve hole 7, so that the stability of the sliding plug 14 in the process of being pressed and moved downwards is improved.
The utility model discloses an installation theory of use as follows:
when the gas valve is normally used, the sliding plug 14 enables the O-shaped sealing ring 16 on the upper side of the positioning boss 15 to abut against the annular sealing conical surface 23 of the positioning through hole 9 under the elastic force of the spring 13, so that the valve hole 7 is sealed; at this moment, the sealing end cover 17 is connected to the connector 6, the connector hole 8 in the connector 6 is sealed, the sealing performance of the gas valve in normal use is further guaranteed, and leakage at the valve connector 5 and the connector 6 is prevented.
When the connection pipeline between the gas valve and the gas stove needs to be tested for leakage, the sealing end cover 17 is screwed off, the pressure gauge joint 18 on the connecting assembly is connected with an upper pressure gauge (not shown in the figure), and then the connecting assembly is fixedly connected to the connecting joint; after connection, the lower end part of the pressure gauge joint 18 is pressed against the sliding plug 14, so that the sliding plug 14 moves downwards to compress the spring 13, the positioning through hole 9 is opened, gas in the gas valve sequentially passes through the vent hole I12, the vent groove 11, the positioning through hole 9, the joint hole 8, the vent hole II 21 and the vent channel 20 to enter a pressure gauge connected with the pressure gauge joint 18, and the gas valve is closed at the moment; whether the gas pressure of the connecting pipeline between the gas valve and the gas stove is changed or not can be observed through the pressure gauge, so that whether the pipeline leaks or not can be judged.
The connection device for leak test on a gas valve provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples herein, and the description of the above embodiments is only used to help understand the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (4)
1. A connecting device for a leakage test on a gas valve comprises a valve body, wherein the valve body is provided with an air inlet end and an air outlet end; the method is characterized in that: an integrated valve joint is arranged at the air outlet end of the valve body, a connector is in threaded connection with the valve joint, a valve hole is formed in the valve joint, and a joint hole is formed in the connector; a positioning through hole communicated with the valve hole is formed in the joint hole, a positioning step is formed, a plurality of vent grooves communicated with the positioning through hole are uniformly formed in the inner circumference of the valve hole, and a first vent hole communicated with the valve hole and the vent grooves is formed in the valve body; a spring and a sliding plug are arranged in the valve hole, the lower end of the sliding plug is provided with a positioning boss, the upper end of the sliding plug penetrates through the positioning through hole and extends into the joint hole, the upper end of the spring is abutted against the positioning boss, the lower end of the spring is abutted against the valve body, and an O-shaped sealing ring which can be in sealing abutment with the positioning step is arranged on the sliding plug and on the upper side of the positioning boss; the pressure gauge connector is fixed on the connecting head by the fixing nut, and the lower end of the pressure gauge connector pushes against the upper end of the sliding plug to move downwards; the upper end of the connector is provided with a first sealing gasket.
2. A leak tested connection on a gas valve as claimed in claim 1, wherein: the diameter of the positioning through hole is smaller than that of the positioning boss, and the lower end of the positioning through hole is provided with an annular sealing conical surface.
3. A leak tested connection on a gas valve as claimed in claim 1, wherein: and a second sealing gasket is arranged between the upper end of the valve joint and the connector.
4. A leak tested connection on a gas valve as claimed in claim 1, wherein: the diameter of the positioning boss is equal to and matched with the diameter of the valve hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716307.XU CN209892913U (en) | 2019-05-20 | 2019-05-20 | Connecting device for leak test on gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716307.XU CN209892913U (en) | 2019-05-20 | 2019-05-20 | Connecting device for leak test on gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209892913U true CN209892913U (en) | 2020-01-03 |
Family
ID=69020866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920716307.XU Expired - Fee Related CN209892913U (en) | 2019-05-20 | 2019-05-20 | Connecting device for leak test on gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209892913U (en) |
-
2019
- 2019-05-20 CN CN201920716307.XU patent/CN209892913U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20200520 |