CN202710580U - Plug-in air-taking drainage pipe device - Google Patents
Plug-in air-taking drainage pipe device Download PDFInfo
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- CN202710580U CN202710580U CN201220418158.7U CN201220418158U CN202710580U CN 202710580 U CN202710580 U CN 202710580U CN 201220418158 U CN201220418158 U CN 201220418158U CN 202710580 U CN202710580 U CN 202710580U
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- Prior art keywords
- tracheae
- plug
- reducing sleeve
- getting
- lock pin
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Abstract
The utility model relates to connection accessories used between gas pipelines and measurement instruments, in particular to a plug-in air-taking drainage pipe device. The plug-in air-taking drainage pipe device comprises an air-taking pipe; the plug end of the air-taking pipe is sleeved with a reducing sleeve; the other end of the air-taking pipe is fixedly assembled with a gas nozzle seat which is used for connecting a corresponding measurement instrument; and at least one of the air-taking pipe, the gas nozzle seat and the reducing sleeve is provided with a rotation stopping structure which is used for preventing the air-taking pipe from rotating when the device works. As at least one of the air-taking pipe, the gas nozzle seat and the reducing sleeve is provided with the rotation stopping structure which is used for preventing the air-taking pipe from rotating when the device works, the air-taking pipe can be effectively prevented from rotating when the device works; and moreover, the measured deviation problem caused by easiness in rotation of the existing plug-in air-taking drainage device is solved.
Description
Technical field
The utility model relates to for the coupling between gas pipe line and the surveying instrument, and especially a kind of plug-in type is got the gas drain age-tube device.
Background technology
In the fields such as coal mining mine, in order to guarantee operating personnel's personal safety, often need gas to the down-hole to carry out extraction and by Pipeline transport to the destination of setting, in the process of gas drainage, need by the measuring instrument of correspondence the gas in the pipeline to be detected, yet, because the restriction of surrounding environment, often can't be directly with measuring instrument and corresponding pipeline connection, just need to use drainage system in such cases.
The patent No. is that 2011202573438 Chinese patent discloses a kind of plug-in gas-extraction drainage device, this device comprises gets tracheae, an end of getting tracheae is inserted terminal, inserted terminal is used for inserting corresponding pipeline, the other end of getting tracheae is provided with the valve seat, and the valve seat is provided with for the valve that is communicated with corresponding tester, after described inserted terminal inserts corresponding pipeline, get the conduit that arranges in the tracheae pipeline is communicated with described valve, thereby realization is to the detection of gas in the pipeline; It is to be noted, generally be welded with Connection Block on the pipeline, Connection Block has mounting hole and is provided with internal thread in the hole wall of its mounting hole, get on the tracheae and to be arranged with successively reducing sleeve and gland from inserted terminal to the other end, reducing sleeve comprises outer reducing sleeve and the interior reducing sleeve that sets gradually from inserted terminal to the other end of getting tracheae, outer reducing sleeve is provided with external thread near an end of getting the tracheae inserted terminal, the other end is provided with internal thread, outer reducing sleeve is by external thread and Connection Block threaded engagement, the endoporus of interior reducing sleeve is stepped hole, one end at the path section place of this stepped hole and the internal thread threaded engagement of outer reducing sleeve, be provided with seal rubber sleeve in its large footpath section, and should be provided with external thread by the large directly outer wall of the part at section place, gland then cooperates with described external thread, in use, described outer reducing sleeve is threaded with Connection Block on the pipeline, then come the press seal gum cover by screwing gland, so that the axial shortening of seal rubber sleeve, swell radially, thereby realize getting on the one hand being sealed and matched between tracheae and the reducing sleeve, jam-packed is got tracheae on the other hand, and it is mobile vertically to prevent to a certain extent getting tracheae.
Above-mentioned plug-in gas-extraction drainage device has obtained using comparatively widely in practice, but, owing to be that mode by seal rubber sleeve " jam-packed " fixes and gets tracheae in use, therefore can't avoid getting the generation of the problem that tracheae rotates with respect to transfer tube and with the tie point of pipeline, plug-in type is got the gas drain age-tube device and is based in fact the sampling of differential pressure type pitot tube, the pressure principle, based on above-mentioned principle, on the device facing the wind pipe and the direction of leeward pipe in tested pipeline need to tested pipeline in airflow direction consistent, otherwise can not produce the measuring state of the best.In addition with the state of timing signal also may occur inconsistent, thereby bring larger measuring error.The facing the wind mouth of pipe and the leeward mouth of pipe that the rotation of getting tracheae obviously can't guarantee to coexist in the outer tube keep uniform position, and this obviously can reduce the precision of device.
Summary of the invention
The purpose of this utility model is to provide a kind of plug-in type to get the gas drain age-tube device, the poor problem of measuring accuracy when using to solve existing plug-in gas-extraction drainage device.
In order to address the above problem, plug-in type of the present utility model is got the gas drain age-tube device by the following technical solutions: plug-in type is got the gas drain age-tube device, comprise and get tracheae, the inserted terminal place of getting tracheae is arranged with reducing sleeve, the other end fixedly is equipped with for the valve seat that connects with corresponding tester, and described at least one of getting in tracheae, valve seat and the reducing sleeve is provided with that tracheae rotates when the device work only revolves structure be used to preventing from getting.
The described structure of only revolving is located at and is got on the tracheae, and this only revolves structure is to be located at least one of getting on the tracheae outer wall to end radial facing or only revolve key, gets tracheae and ends radial facing or only revolve key and reducing sleeve only screws and closes by described.
The described structure of only revolving is located at and is got on the tracheae, and this only revolves structure is to be located at the movable lock pin of getting on the tracheae, and the center line of described movable lock pin is parallel with the center line of getting tracheae.
The described structure of only revolving is located on the valve seat, and this only revolves structure and comprises that the center line of described movable lock pin is parallel with the center line of getting tracheae for the movable lock pin that cooperates with reducing sleeve or corresponding pipeline.
Described valve seat is provided with orienting sleeve, and described movable lock pin is located in this orienting sleeve and with the orienting sleeve anticreep and cooperates, and the rear end in movable lock pin in the orienting sleeve is top-loaded with locking spring.
The jacket wall of described reducing sleeve is provided with the pin-and-hole that cooperates for described movable lock pin.
Described getting also is arranged with gland on the tracheae, the outside wall surface of described gland is provided with the pin-and-hole corresponding with described movable lock pin.
The described structure of only revolving is located on the reducing sleeve, this only revolve structure for the reducing sleeve threaded engagement, be used for holding out against when the device work jackscrew of getting tracheae.
Described reducing sleeve comprises interior reducing sleeve and outer reducing sleeve, and at least one in the described inside and outside reducing sleeve is provided with described jackscrew.
Since plug-in type of the present utility model get the gas drain age-tube device its get in tracheae, valve seat and the reducing sleeve at least one be provided with rotate when preventing from getting tracheae in device work only revolve structure, therefore, can effectively prevent from getting tracheae and in the process of device work, rotate, the poor problem of measuring accuracy when having solved existing plug-in gas-extraction drainage device use.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of plug-in gas-extraction drainage device of the present utility model;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the inner structure synoptic diagram of getting tracheae and valve seat among Fig. 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of the embodiment 2 of plug-in gas-extraction drainage device of the present utility model;
Fig. 6 is the structural representation of the embodiment 3 of plug-in gas-extraction drainage device of the present utility model;
Fig. 7 is the structural representation of the embodiment 4 of plug-in gas-extraction drainage device of the present utility model;
Fig. 8 is the structural representation of the embodiment 5 of plug-in gas-extraction drainage device of the present utility model;
Fig. 9 is the structural representation of the embodiment 6 of plug-in gas-extraction drainage device of the present utility model.
Embodiment
The embodiment 1 of plug-in gas-extraction drainage device of the present utility model, shown in Fig. 1-4, comprise and get tracheae 11, an end of getting tracheae 11 is inserted terminal, and establishing the inserted terminal of getting tracheae 11 herein is front end, the rear end of then getting tracheae 11 is provided with valve seat 12, fixedly be equipped with valve 13 on the valve seat 12, valve 13 has four in the present embodiment, four valves 13 be used for measuring instrument on corresponding gas joint connect, the inlet end of each valve is connected with respectively conduit 14, and conduit 14 is arranged in gets tracheae 11; The front end of getting tracheae 11 also is provided with gas distribution pipe 15, each conduit all is connected with these gas distribution pipe 15 conductings away from an end of corresponding valve, in addition, get and be arranged with successively from front to back reducing sleeve and gland 16 on the tracheae 11, reducing sleeve comprises outer reducing sleeve 17 and the interior reducing sleeve 18 that one in front and one in back sets gradually, one end of outer reducing sleeve 17 front ends is provided with external thread, the rear end is provided with internal thread, the endoporus of interior reducing sleeve 18 is stepped hole, one end at the path section place of this stepped hole and the internal thread threaded engagement of outer reducing sleeve 17, be provided with seal rubber sleeve 19 in its large footpath section, and should be provided with external thread by the large directly outer wall of the part at section place, 16 on gland cooperates with described external thread, in use, come press seal gum cover 19 by screwing gland 16, so that the axial shortening of seal rubber sleeve 19, swell radially, thereby realize getting being sealed and matched between tracheae 11 and the reducing sleeve, Connection Block 21 threaded engagement that arrange on external thread that can be by outer reducing sleeve 17 and the pipeline 20 to be detected are connected will install with pipeline, above structure is prior art, therefore gives unnecessary details no longer in detail herein; Rotation around self axis occurs when the device work in order to prevent from getting tracheae 11, also have on this device and only revolve structure, in the present embodiment, the described structure of only revolving is located at and is got on the tracheae 11, be specially and be located at the radial facing that ends of getting on tracheae 11 outside wall surface, should end radial facing and only have one section and be positioned at and get the position that tracheae 11 cooperates with reducing sleeve 18, the shape of the endoporus of interior reducing sleeve 18 is complementary with the profile of the corresponding position of getting tracheae, thereby so that the radial facing that ends of getting on the tracheae cooperates with interior reducing sleeve, prevent from getting mutually rotation of generation between tracheae and the interior reducing sleeve, and then prevent from getting tracheae 11 rotations.
The embodiment 1 of plug-in gas-extraction drainage device of the present utility model, as shown in Figure 5, what the difference part of present embodiment and embodiment 1 only was device only revolves structure, in the present embodiment, the described structure of only revolving is to be assemblied in the movable lock pin 22 of getting on the tracheae 11, the outside surface of gland 16 is provided with the pin-and-hole corresponding with movable lock pin 22, when device work, by with movable lock pin 22 reaches and insert pin-and-hole and can prevent that getting tracheae rotates.
The embodiment 3 of plug-in gas-extraction drainage device of the present utility model, as shown in Figure 6, present embodiment only is that from the difference part of embodiment 2 position of only revolving the structure place of device is different, in the present embodiment, movable lock pin 22 is assemblied on the valve seat 12.
The embodiment 4 of plug-in gas-extraction drainage device of the present utility model, as shown in Figure 7, present embodiment only is that from the difference part of embodiment 2 position of only revolving the structure place of device is different, in the present embodiment, valve seat 12 is provided with a pilum 23 that extends forward, movable lock pin 22 is assemblied on this pilum 23, and pin-and-hole is located on the corresponding end face of outer reducing sleeve 17.
The embodiment 5 of plug-in gas-extraction drainage device of the present utility model, as shown in Figure 8, what the difference part of present embodiment and embodiment 1 only was device only revolves structure, in the present embodiment, only revolving structure is located on the valve seat 12, comprise the orienting sleeve 24 that is installed on the valve seat 12, orienting sleeve 24 is along extending forward and wherein being equipped with movable lock pin, the rear end of movable lock pin is provided with locking spring 25, locking spring 25 tops are contained between movable lock pin and the valve seat, in being provided with, the front end place of orienting sleeve 24 turns edge, movable lock pin is provided with corresponding step surface, in the medial surface that turns edge cooperate with described step surface and realized that movable lock pin cooperates with anticreep between the orienting sleeve, the rear end face of outer reducing sleeve is provided with the pin-and-hole corresponding with movable lock pin.
The embodiment 6 of plug-in gas-extraction drainage device of the present utility model, as shown in Figure 9, what the difference part of present embodiment and embodiment 1 only was device only revolves structure, in the present embodiment, only revolve structure and be located on the interior reducing sleeve 18, be specially the jackscrew 26 of Screw assembly on the jacket wall of reducing sleeve, during device work, can hold out against by jackscrew and get tracheae 11, thereby prevent that it from rotating.
In other embodiment of plug-in gas-extraction drainage device of the present utility model, only revolving structure and can also only revolve key on the tracheae for being located to get described in above-described embodiment 1, also can the plural described radial facing that ends be set in the outside wall surface of getting tracheae so that get that the outline xsect of tracheae is triangular in shape, rhombus, hexagon etc.; Jackscrew described in above-described embodiment 6 can also be located on the outer reducing sleeve.
Claims (9)
1. plug-in type is got the gas drain age-tube device, comprise and get tracheae, the inserted terminal place of getting tracheae is arranged with reducing sleeve, the other end fixedly is equipped with for the valve seat that connects with corresponding tester, it is characterized in that described at least one of getting in tracheae, valve seat and the reducing sleeve is provided with that tracheae rotates when the device work only revolves structure be used to preventing from getting.
2. plug-in type according to claim 1 is got the gas drain age-tube device, it is characterized in that, the described structure of only revolving is located at and is got on the tracheae, and this only revolves structure is to be located at least one of getting on the tracheae outer wall to end radial facing or only revolve key, gets tracheae and ends radial facing or only revolve key and reducing sleeve only screws and closes by described.
3. plug-in type according to claim 1 is got the gas drain age-tube device, it is characterized in that, the described structure of only revolving is located at and is got on the tracheae, and this only revolves structure is to be located at the movable lock pin of getting on the tracheae, and the center line of described movable lock pin is parallel with the center line of getting tracheae.
4. plug-in type according to claim 1 is got the gas drain age-tube device, it is characterized in that, the described structure of only revolving is located on the valve seat, and this only revolves structure and comprises that the center line of described movable lock pin is parallel with the center line of getting tracheae for the movable lock pin that cooperates with reducing sleeve or corresponding pipeline.
5. plug-in type according to claim 4 is got the gas drain age-tube device, it is characterized in that, described valve seat is provided with orienting sleeve, and described movable lock pin is located in this orienting sleeve and with the orienting sleeve anticreep and cooperates, and the rear end in movable lock pin in the orienting sleeve is top-loaded with locking spring.
According to claim 4 or 5 described plug-in types get the gas drain age-tube device, it is characterized in that the jacket wall of described reducing sleeve is provided with the pin-and-hole that cooperates for described movable lock pin.
According to claim 4 or 5 described plug-in types get the gas drain age-tube device, it is characterized in that described getting also is arranged with gland on the tracheae, the outside wall surface of described gland is provided with the pin-and-hole corresponding with described movable lock pin.
8. plug-in type according to claim 1 is got the gas drain age-tube device, it is characterized in that, the described structure of only revolving is located on the reducing sleeve, this only revolve structure for the reducing sleeve threaded engagement, be used for holding out against when the device work jackscrew of getting tracheae.
9. plug-in type according to claim 8 is got the gas drain age-tube device, it is characterized in that, described reducing sleeve comprises interior reducing sleeve and outer reducing sleeve, and at least one in the described inside and outside reducing sleeve is provided with described jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418158.7U CN202710580U (en) | 2012-08-22 | 2012-08-22 | Plug-in air-taking drainage pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418158.7U CN202710580U (en) | 2012-08-22 | 2012-08-22 | Plug-in air-taking drainage pipe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710580U true CN202710580U (en) | 2013-01-30 |
Family
ID=47590868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220418158.7U Expired - Lifetime CN202710580U (en) | 2012-08-22 | 2012-08-22 | Plug-in air-taking drainage pipe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697708A (en) * | 2013-12-10 | 2015-06-10 | 开元创杰（北京）科技有限公司 | Insertion-type gas extraction and water removal device and method |
-
2012
- 2012-08-22 CN CN201220418158.7U patent/CN202710580U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697708A (en) * | 2013-12-10 | 2015-06-10 | 开元创杰（北京）科技有限公司 | Insertion-type gas extraction and water removal device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Co-patentee after: COMMUNICATION & INFORMATION CENTER OF STATE ADMINISTRATION OF WORK SAFETY Patentee after: GLTECH Co.,Ltd. Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Co-patentee before: COMMUNICATION & INFORMATION CENTER OF STATE ADMINISTRATION OF WORK SAFETY Patentee before: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |