CN220816876U - Gas circuit crossover sub convenient to installation - Google Patents

Gas circuit crossover sub convenient to installation Download PDF

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Publication number
CN220816876U
CN220816876U CN202322724820.2U CN202322724820U CN220816876U CN 220816876 U CN220816876 U CN 220816876U CN 202322724820 U CN202322724820 U CN 202322724820U CN 220816876 U CN220816876 U CN 220816876U
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CN
China
Prior art keywords
gas circuit
adapter
wall
pipe
air pipe
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CN202322724820.2U
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Chinese (zh)
Inventor
朱伟娟
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Ningbo Shouxin Precision Technology Co ltd
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Ningbo Shouxin Precision Technology Co ltd
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Priority to CN202322724820.2U priority Critical patent/CN220816876U/en
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Abstract

The utility model relates to the technical field of air passage conversion connectors, and provides an air passage conversion connector convenient to install, which comprises an air passage pipe conversion connector main body, a protection frame and an auxiliary air pipe, wherein a threaded rod is connected to the symmetrical part of the outer wall of the protection frame in a threaded manner, a rotary cap is fixedly connected to the top end of the threaded rod, an arc-shaped pressing plate is fixedly connected to the inner side of the protection frame corresponding to the arrangement of the threaded rod, a bearing is embedded and connected to the top end of the pressing plate, the bottom end of the threaded rod is in rotary connection with the bearing, when the air passage conversion connector is used, the auxiliary air pipe extends into the protection frame, and the auxiliary air pipe is protected through the extrusion force of the auxiliary air pipe after the auxiliary air pipe completely enters the protection frame because the size of a sponge cushion is larger than the outer wall of the auxiliary air pipe, and then the rotary cap is rotated, so that the threaded rod and the pressing plate are driven to move downwards by the rotary cap, and the pressing plate covers the top end of the auxiliary air pipe, thereby protecting the auxiliary air pipe.

Description

Gas circuit crossover sub convenient to installation
Technical Field
The utility model relates to the technical field of air passage switching connectors, in particular to an air passage switching connector convenient to install.
Background
The gas circuit refers to laboratory gas engineering, namely a connecting pipeline from a gas bottle to an instrument terminal, and generally comprises a gas switching device, a pressure reducing device, a valve, a pipeline, a filter, an alarm, a terminal box, a regulating valve and the like.
The gas circuit adapter disclosed by the retrieval publication number CN201886005 is roughly described as comprising a gas circuit pipe connecting end connector and a chromatograph connecting end connector, wherein a tetrafluoro gasket is arranged at the joint of the inner part of the chromatograph connecting end connector and the gas circuit pipe connecting end connector, a nut is arranged on the gas circuit pipe connecting end connector, an external thread is arranged outside the gas circuit pipe connecting end connector, and an internal thread is arranged inside the chromatograph connecting end connector. The gas circuit adapter of the utility model enables the gas source inlet of the Shimadzu gas chromatograph to be connected with copper pipes, stainless steel pipes and tetrafluoro pipes with the outer diameter of 1/8 inch or 3mm in any length, thereby being convenient for the installation and use of the instrument.
When using the gas circuit crossover sub, current mode that adopts the screw thread mostly is connected, and this mode can carry out quick installation, however when using, tracheal junction can produce friction with crossover sub's junction outside owing to dragging, and tracheal and crossover sub's friction department just produces wearing and tearing easily, and tracheal outside just produces the damage comparatively easily, leads to producing the circumstances of gas leakage to cause the trachea unable to use.
Disclosure of utility model
The utility model provides an air passage adapter convenient to install, which solves the problem that the outer side of the joint of an air pipe and the adapter is easy to damage in the related art.
The technical scheme of the utility model is as follows: the utility model provides a gas circuit crossover sub convenient to installation, includes gas circuit pipe crossover sub main part, protection frame and auxiliary trachea, the outer wall symmetry department threaded connection of protection frame has the threaded rod, the top fixedly connected with rotatory cap of threaded rod, the inboard of protection frame corresponds the setting out fixedly connected with arciform clamp plate of threaded rod, the top of clamp plate is inlayed and is connected with the bearing, the bottom of threaded rod is rotatable with the bearing and is connected, the inner wall of protection frame is located the middle part interval department fixedly connected with foam-rubber cushion of two sets of clamp plates, the foam-rubber cushion is the arciform equally.
Preferably, an external thread is arranged on one side of the outer wall of the gas circuit pipe adapter body, the gas circuit pipe adapter body is sleeved with a protection adapter through the external thread, and an internal thread is arranged on the inner wall of the joint of the protection adapter and the gas circuit pipe adapter body.
Preferably, the outer wall of the gas circuit pipe adapter main body is far away from one side of the external thread, the external nut is sleeved on the external thread, and the edge is in transition setting with a round angle.
Preferably, the outer wall of the joint of the gas circuit pipe adapter main body and the protection joint is provided with a circular sealing gasket, and the outer side of the joint of the auxiliary gas pipe and the protection frame is also provided with a sealing gasket.
Preferably, the protection frame is fixedly connected to one side of the protection joint far away from the gas circuit pipe adapter main body, the diameter of the inner wall of the protection frame is slightly smaller than that of the gas circuit pipe adapter main body and that of the inner wall of the protection joint, and the diameters of the inner walls of the connection parts of the gas circuit pipe adapter main body and the protection joint are the same.
Preferably, the auxiliary air pipe is in threaded connection with the inner wall of the protection joint, and the two groups of pressing plates cover the top end of the auxiliary air pipe in a working state.
Preferably, the two groups of the foam cushions are extruded by the auxiliary air pipe, so as to be covered at the outer side of the auxiliary air pipe.
Preferably, the ratio of the diameter size of the inner wall of the auxiliary air pipe to the diameter size of the inner wall of the air pipe adapter main body, the protection adapter and the protection frame is two to one.
The working principle and the beneficial effects of the utility model are as follows:
According to the utility model, the protective frame, the rotary cap, the threaded rod, the pressing plate and the foam cushion are arranged, when the auxiliary air pipe is used, the auxiliary air pipe extends into the protective frame, and because the size of the foam cushion is larger than that of the outer wall of the auxiliary air pipe, when the auxiliary air pipe completely enters the protective frame, the extrusion force of the auxiliary air pipe on the foam cushion is protected, and then the rotary cap is rotated, so that the threaded rod and the pressing plate are driven to move downwards by the rotary cap, and the pressing plate covers the top end of the auxiliary air pipe, thereby protecting the auxiliary air pipe and avoiding the damage of the auxiliary air pipe when the auxiliary air pipe is used.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a split schematic diagram of the overall structure of the present utility model.
Fig. 3 is a partially broken-away schematic illustration of the overall structure of the present utility model.
FIG. 4 is a schematic diagram of a protective frame according to the present utility model.
The reference numerals are: 1. an air passage pipe adapter body; 11. an outer nut; 12. a sealing gasket; 13. a protective joint; 14. an external thread; 2. a protective frame; 21. rotating the cap; 22. a threaded rod; 23. a pressing plate; 24. a sponge cushion; 25. a bearing; 3. an auxiliary air pipe.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model provides a gas circuit adapter convenient to install, including a gas circuit pipe adapter main body 1, a protection frame 2 and an auxiliary gas pipe 3, threaded rods 22 are connected with the outer wall symmetry of the protection frame 2, rotary caps 21 are fixedly connected with the top ends of the threaded rods 22, arc-shaped pressing plates 23 are fixedly connected with the inner sides of the protection frame 2, bearings 25 are connected with the top ends of the pressing plates 23 in an embedded manner, the bottom ends of the threaded rods 22 are rotatably connected with the bearings 25, so that the pressing plates 23 can be driven to move through the downward movement of the threaded rods 22, sponge pads 24 are fixedly connected with the middle interval of the two groups of pressing plates 23, the sponge pads 24 are arc-shaped, so that the purpose of protection limiting can be achieved, the outer wall of the gas circuit pipe adapter main body 1 is provided with external threads 14 on one side, close to the protection joint 13, so that the connection of the protection joint 13 and the pipe adapter main body 1 can be conveniently installed or dismounted through the external threads 14, the inner wall of the joint 1 is provided with internal threads, and the outer wall of the gas circuit adapter main body 1 is provided with round nuts 11, and the outer wall of the gas circuit adapter main body is provided with round nuts 11, and the round nuts are provided on one side, far from the external threads, and the round nuts are provided.
Referring to fig. 1-4, the outer wall of the joint between the air pipe adapter body 1 and the protection adapter 13 is provided with a circular sealing gasket 12, so that tightness can be increased, the outer side of the joint between the auxiliary air pipe 3 and the protection frame 2 is also provided with the sealing gasket 12, the protection frame 2 is fixedly connected to one side of the protection adapter 13 far away from the air pipe adapter body 1, the diameter of the inner wall of the protection frame 2 is slightly smaller than that of the inner wall of the air pipe adapter body 1 and the protection adapter 13, the diameter of the inner wall of the joint between the air pipe adapter body 1 and the protection adapter 13 is the same, the auxiliary air pipe 3 is in threaded connection with the inner wall of the protection adapter 13, two groups of pressing plates 23 are covered on the top end of the auxiliary air pipe 3 under the working state, and two groups of sponge pads 24 are extruded by the auxiliary air pipe 3, so that the auxiliary air pipe 3 can be protected by using the pressing plates 23 and the sponge pads 24, and the inner wall diameter of the auxiliary air pipe 3 is coated on the outer side of the auxiliary air pipe 3.
The working principle of the utility model is as follows: when in use, the external thread 14 is connected with the internal thread in the protective joint 13 by rotating the air passage pipe adapter body 1, at the moment, the air passage pipe adapter body 1 is connected with the protective joint 13 by the thread, the sealing gasket 12 is arranged at the outer side of the joint of the air passage pipe adapter body 1 and the protective joint 13, the condition of air leakage can be avoided, then the auxiliary air pipe 3 stretches into the protective frame 2 and moves to the inner part of the protective joint 13 to rotate, so that the auxiliary air pipe 3 is connected with the protective joint 13 by the thread, and because the size of the foam cushion 24 is larger than the size of the external wall of the auxiliary air pipe 3, when the auxiliary air pipe 3 completely enters the protective frame 2, the extrusion force of the foam cushion 24 is protected by the auxiliary air pipe 3, and then the rotary cap 21 is rotated, the rotary cap 21 drives the threaded rod 22 to be matched with the protective frame 2, thereby the pressing plate 23 is driven to move downwards relative to the outer wall of the auxiliary air pipe 3 through the movement of the threaded rod 22, the pressing plate 23 is covered on the top end of the auxiliary air pipe 3, the auxiliary air pipe 3 is protected, the situation that the auxiliary air pipe 3 is damaged due to pulling and the like is avoided when the auxiliary air pipe is used, the extrusion force generated to the auxiliary air pipe 3 can be adjusted according to the requirement, meanwhile, the air pipe adapter main body 1 and the protective adapter 13 are in threaded connection, when the air pipe adapter main body 1 is damaged, the air pipe adapter main body 1 can be conveniently taken down to be replaced, so that the air pipe adapter main body 1 is prevented from being damaged, the work is not performed, and the purpose of quick use is achieved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a gas circuit crossover sub convenient to installation, its characterized in that, including gas circuit pipe crossover sub main part (1), protection frame (2) and auxiliary air pipe (3), the outer wall symmetry department threaded connection of protection frame (2) has threaded rod (22), the top fixedly connected with rotary cap (21) of threaded rod (22), the inboard of protection frame (2) corresponds out fixedly connected with arciform clamp plate (23) of setting up of threaded rod (22), the top of clamp plate (23) is inlayed and is connected with bearing (25), the bottom and the bearing (25) of threaded rod (22) are rotation connection, the inner wall of protection frame (2) is located middle part interval department fixedly connected with foam-rubber cushion (24) of two sets of clamp plates (23), foam-rubber cushion (24) are the arciform setting equally.
2. The gas circuit adapter of claim 1, wherein an external thread (14) is arranged on one side of the outer wall of the gas circuit pipe adapter body (1), the gas circuit pipe adapter body (1) is in threaded socket connection with a protection joint (13) through the external thread (14), and an internal thread is arranged on the inner wall of the joint of the protection joint (13) and the gas circuit pipe adapter body (1).
3. The gas circuit adapter of claim 2, wherein the outer wall of the gas circuit pipe adapter body (1) is far away from the external thread (14), one side of the outer wall is in threaded socket connection with the external nut (11), and the edge is in transition arrangement with a round angle.
4. The gas circuit adapter convenient to install according to claim 2, wherein a circular sealing gasket (12) is arranged on the outer wall of the joint of the gas circuit pipe adapter main body (1) and the protection joint (13), and a sealing gasket (12) is also arranged on the outer side of the joint of the auxiliary gas pipe (3) and the protection frame (2).
5. The gas circuit adapter convenient to install according to claim 2, wherein the protection frame (2) is fixedly connected to one side of the protection joint (13) away from the gas circuit pipe adapter main body (1), the diameter of the inner wall of the protection frame (2) is slightly smaller than the diameters of the inner walls of the gas circuit pipe adapter main body (1) and the protection joint (13), and the diameters of the inner walls of the connection parts of the gas circuit pipe adapter main body (1) and the protection joint (13) are the same.
6. An air passage adapter for easy installation according to claim 2, characterized in that the auxiliary air pipe (3) is arranged on the inner wall of the protective adapter (13) in a threaded connection, and in the working state, two groups of pressing plates (23) are covered on the top end of the auxiliary air pipe (3).
7. A gas circuit adapter for easy installation according to claim 1, characterized in that two sets of said foam-rubber cushion (24) are compressed by the auxiliary gas pipe (3) so as to cover the outer side of the auxiliary gas pipe (3).
8. The air passage adapter for easy installation according to claim 2, wherein the ratio of the diameter size of the inner wall of the auxiliary air pipe (3) to the diameter size of the inner wall of the air passage pipe adapter body (1), the protective joint (13) and the protective frame (2) is two to one.
CN202322724820.2U 2023-10-11 2023-10-11 Gas circuit crossover sub convenient to installation Active CN220816876U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322724820.2U CN220816876U (en) 2023-10-11 2023-10-11 Gas circuit crossover sub convenient to installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322724820.2U CN220816876U (en) 2023-10-11 2023-10-11 Gas circuit crossover sub convenient to installation

Publications (1)

Publication Number Publication Date
CN220816876U true CN220816876U (en) 2024-04-19

Family

ID=90679614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322724820.2U Active CN220816876U (en) 2023-10-11 2023-10-11 Gas circuit crossover sub convenient to installation

Country Status (1)

Country Link
CN (1) CN220816876U (en)

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