CN220186152U - Low-temperature vacuum pipeline connecting piece - Google Patents
Low-temperature vacuum pipeline connecting piece Download PDFInfo
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- CN220186152U CN220186152U CN202321467173.5U CN202321467173U CN220186152U CN 220186152 U CN220186152 U CN 220186152U CN 202321467173 U CN202321467173 U CN 202321467173U CN 220186152 U CN220186152 U CN 220186152U
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- 238000007789 sealing Methods 0.000 claims abstract description 67
- 230000006978 adaptation Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a low-temperature vacuum pipeline connecting piece, which relates to the technical field of low-temperature vacuum pipeline connecting pieces, and comprises a connecting valve, wherein sealing devices are arranged on the outer surfaces of two ends of the connecting valve, each sealing device comprises a rectangular hole support, sealing blocks and two clamping blocks, a convenient maintenance device is arranged between one side of each rectangular hole support and one end of the connecting valve, the outer surfaces of the clamping blocks are fixedly connected with connecting rods, and threaded rods are fixedly connected with the tops of the connecting rods.
Description
Technical Field
The utility model relates to the technical field of low-temperature vacuum pipeline connectors, in particular to a low-temperature vacuum pipeline connector.
Background
The cryogenic vacuum line connection is a connection valve for installing between two vacuum lines to change the direction of the air flow or to shut off the air flow inside.
The inventor finds that when the connecting valve is used for controlling the connection of the two low-temperature vacuum pipelines in daily work, the two low-temperature vacuum pipelines are usually connected and installed on the inlet and the outlet at the two ends of the connecting valve respectively, and after the connecting valve is installed, a certain gap may exist at the connecting position, so that leakage is easy to occur from the gap when low-temperature air flow is conveyed, and the conveying efficiency of the low-temperature vacuum pipelines is reduced.
In order to solve the problem that when low-temperature air flow is conveyed, leakage is easy to occur from the gap and conveying efficiency of the low-temperature vacuum pipeline is reduced due to the fact that certain gaps possibly exist at the joint after the sealing strip is installed, the sealing strip is installed inside the joint and then is processed in a sealing effect achieving mode under extrusion fixation between the low-temperature vacuum pipeline and a connecting valve, after the sealing strip is used for a long time, weather corrosion is easy to occur on one surface, which is in contact with the outside, of the sealing strip, the two sides of the sealing strip are not tightly attached to one sides of the low-temperature vacuum pipeline and one side of the connecting valve respectively, sealing effect is reduced, the sealing strip needs to be replaced, the low-temperature vacuum pipeline needs to be detached from the connecting valve during replacement, replacing time is greatly prolonged, conveying efficiency of the low-temperature vacuum pipeline is reduced, and then the problem that the sealing effect is not perfect in the mode of achieving the sealing effect under extrusion fixation between the low-temperature vacuum pipeline and the connecting valve is solved.
Disclosure of Invention
The utility model provides a low-temperature vacuum pipeline connecting piece, which aims to solve the problems that a certain gap can exist at a connecting position after the low-temperature vacuum pipeline connecting piece is installed, leakage is easy to occur from the gap when low-temperature air flow is conveyed, and conveying efficiency of a low-temperature vacuum pipeline is reduced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a low temperature vacuum pipeline connecting piece, includes the connection valve, the both ends surface of connection valve is provided with sealing device, sealing device includes rectangular hole support, sealing block and two clamp splice, be provided with the maintenance device of being convenient for between one side of rectangular hole support and the one end of connection valve, the surface fixedly connected with connecting rod of clamp splice, the top fixedly connected with threaded rod of connecting rod, the surface size of threaded rod and the inner wall size looks adaptation of rectangular hole support, the surface threaded connection of threaded rod has the screw piece, the bottom of screw piece and the top butt of rectangular hole support, the sealing block sets up between the both ends surface of connection valve and two clamp splice.
The effects achieved by the components are as follows: through setting up sealing device, when using the connection valve to connect the control to two low temperature vacuum pipes, can connect two low temperature vacuum pipes respectively and install on the both ends import and export of connection valve generally, after the installation, manually enclose the sealing block behind the junction surface of connection valve both ends surface and low temperature vacuum pipe, overlap its interface, then manually pull one of them clamp splice to one side, make its one side hug closely in sealing block interface department, the clamp splice motion drives connecting rod and threaded rod and screw piece to the relevant position in the inner wall of rectangular hole support to one side, then screw the screw piece on the threaded rod, make its bottom butt on the top of rectangular hole support, thereby make the clamp splice extrude the interface department of sealing block fix on the junction surface of both ends import and export of connection valve and low temperature vacuum pipe, another clamp splice the same operation, thereby make the sealing block hug closely the gap of junction with it, make it when carrying low temperature air current, low temperature air current is difficult to take place to leak from the gap department, improve the conveying efficiency of low temperature pipe, only need not dismantle the sealing strip when changing the vacuum pipe from two, need not change the vacuum pipe to change the sealing strip after the low temperature pipe, the step can be changed.
Preferably, the outer surface of the screw hole block is fixedly connected with a plurality of screwing blocks, and the screwing blocks are equidistantly arranged.
The effects achieved by the components are as follows: by arranging the screwing blocks, the contact area of the outer surfaces of the screw hole blocks can be increased, and the screw hole blocks can be conveniently held and screwed manually.
Preferably, the top fixedly connected with stopper of threaded rod, the surface size of stopper is bigger than the inner wall size of screw piece.
The effects achieved by the components are as follows: through setting up the stopper, after screw piece spiral motion reaches the certain position on the threaded rod, the stopper can be with its spacing blocking, makes it difficult spiral go out on the surface of threaded rod.
Preferably, one side of the clamping block is fixedly connected with a plurality of anti-slip strips, and the anti-slip strips are made of rubber materials.
The effects achieved by the components are as follows: through setting up the antislip strip, can increase the contact friction of clamp splice one side, when making its centre gripping on the surface of sealing block, the centre gripping is more firm.
Preferably, the device convenient for maintenance includes the fixture block, first draw-in hole has been seted up to one side of rectangular hole support, the mounting hole has all been seted up at the both ends of connecting the valve, the inner wall size and the shape of mounting hole and the one end surface size and the shape looks adaptation of rectangular hole support, the second draw-in hole has been seted up at the inner wall top of mounting hole, the inner wall size and the shape of first draw-in hole and second draw-in hole all with the one end surface size and the shape looks adaptation of fixture block.
The effects achieved by the components are as follows: through setting up the device of being convenient for maintain, when needs maintain the clamp splice and the threaded rod in to sealing device and change, can manually grasp the fixture block, upwards pull it, make its one end pull out from second draw-in hole and first draw-in hole, then hold rectangular hole support again and pull to one side, can pull out its one end from the mounting hole to can make rectangular hole support dismantle from connecting the valve, be convenient for maintain it and change.
Preferably, the anti-skid block is fixedly connected to the outer surface of one end of the clamping block, and the sizes and the shapes of the inner walls of the first clamping hole and the second clamping hole are matched with the sizes and the shapes of the outer surfaces of the anti-skid block.
The effects achieved by the components are as follows: through setting up the non slipping block, can increase the contact friction of fixture block one end surface, make it card difficult for taking place to rock after going into first card hole and second card hole, the card is more fastened.
Preferably, the top of fixture block fixedly connected with connects the rope, connect the one end of rope and connect the surface fixed connection of valve.
The effects achieved by the components are as follows: through setting up the connecting rope, can be with the one end fixed connection of fixture block on the surface of connecting the valve, make it difficult for taking place to lose after extracting from first draw-in hole and second draw-in hole.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the utility model, the sealing device is arranged, when the connecting valve is used for connecting and controlling two low-temperature vacuum pipelines, the two low-temperature vacuum pipelines are usually connected and installed on the inlet and the outlet at the two ends of the connecting valve respectively, after the sealing block is installed, the sealing block is manually overlapped around the outer surfaces of the two ends of the connecting valve and the outer surface of the joint of the low-temperature vacuum pipelines, then one clamping block is manually pulled to one side, so that one side of the sealing block is tightly attached to the joint of the sealing block, the connecting rod, the threaded rod and the threaded hole block are driven to move to the corresponding position in the inner wall of the rectangular hole bracket by the movement of the clamping block, then the threaded hole block is screwed on the threaded rod, the bottom of the threaded hole block is abutted to the top of the rectangular hole bracket, so that the clamping block presses and fixes the joint of the sealing block on the outer surfaces of the two ends of the connecting valve and the joint of the low-temperature vacuum pipeline, and the other clamping block is operated in the same, so that the sealing block is tightly attached to the joint of the sealing block, when the low-temperature air flow is conveyed, the low-temperature air flow is not easy to leak from the joint of the sealing block, the low-temperature pipeline is not easy to be replaced, and the vacuum pipeline can be replaced after the low-temperature pipeline is replaced, and the sealing block is not required to be replaced by the low-temperature pipeline.
Drawings
FIG. 1 is a schematic perspective view of a connecting valve according to the present utility model;
FIG. 2 is a schematic perspective view of a rectangular hole bracket according to the present utility model;
FIG. 3 is a schematic perspective view of a fixture block according to the present utility model;
fig. 4 is a schematic perspective view of a connecting rope according to the present utility model.
Legend description: 1. connecting a valve; 2. a sealing device; 3. the device is convenient to maintain; 21. a rectangular hole bracket; 22. a sealing block; 23. clamping blocks; 24. a connecting rod; 25. a threaded rod; 26. screw hole blocks; 27. twisting blocks; 28. a limiting block; 29. an anti-slip strip; 31. a first clamping hole; 32. a mounting hole; 33. a second clamping hole; 34. a clamping block; 35. an anti-skid block; 36. and (5) connecting ropes.
Detailed Description
Embodiment 1, as shown in fig. 1-4, a low temperature vacuum pipeline connecting piece, including connecting valve 1, the both ends surface of connecting valve 1 is provided with sealing device 2, sealing device 2 includes rectangular hole support 21, sealing block 22 and two clamp blocks 23, be provided with the maintenance device 3 of being convenient for between one side of rectangular hole support 21 and the one end of connecting valve 1, the surface fixedly connected with connecting rod 24 of clamp block 23, the top fixedly connected with threaded rod 25 of connecting rod 24, the surface size of threaded rod 25 and the inner wall size looks adaptation of rectangular hole support 21, the surface screw thread connection of threaded rod 25 has screw block 26, the bottom of screw block 26 and the top butt of rectangular hole support 21, sealing block 22 sets up between the both ends surface of connecting valve 1 and two clamp blocks 23. When the connecting valve 1 is used for connecting and controlling two low-temperature vacuum pipelines, the two low-temperature vacuum pipelines are usually connected and installed on the inlet and the outlet at the two ends of the connecting valve 1 respectively, after the connecting valve 1 is installed, the sealing blocks 22 are manually overlapped around the outer surfaces at the two ends of the connecting valve 1 and the outer surfaces at the joint of the low-temperature vacuum pipelines, then one clamping block 23 is manually pulled to one side, one side of the sealing blocks is tightly attached to the joint of the sealing blocks 22, the clamping blocks 23 move to drive the connecting rod 24, the threaded rod 25 and the threaded hole block 26 to move to the corresponding positions to one side in the inner wall of the rectangular hole support 21, then the threaded hole block 26 is screwed on the threaded rod 25, the bottoms of the threaded hole blocks are abutted to the top of the rectangular hole support 21, so that the clamping blocks 23 press and fix the two ends of the sealing blocks 22 on the outer surfaces at the joint of the connecting valve 1 and the low-temperature vacuum pipeline, and the other clamping blocks 23 are operated in the same manner, so that the sealing blocks 22 are tightly attached to the joint of the sealing blocks at the joint, and when the low-temperature air flow is conveyed, the low-temperature flow is easy, the efficiency of the sealing blocks can be reduced, and the vacuum pipeline can be replaced only by the low-temperature flow can be replaced, and the vacuum sealing blocks can be replaced by the low-temperature sealing blocks and the vacuum pipeline can be replaced by the low-temperature sealing valve 1.
Referring to fig. 2, this embodiment discloses that the outer surface of the screw hole block 26 is fixedly connected with a plurality of screwing blocks 27, and the plurality of screwing blocks 27 are arranged equidistantly. By arranging the screwing blocks 27, the contact area of the outer surface of the screw hole blocks 26 can be increased, and the screw hole blocks can be conveniently held and screwed manually. The top of threaded rod 25 fixedly connected with stopper 28, the surface size of stopper 28 is bigger than the inner wall size of screw piece 26. Through setting up stopper 28, after screw piece 26 spiral motion reaches the certain position on threaded rod 25, stopper 28 can block its spacing, makes it difficult to spiral out on the surface of threaded rod 25.
Referring to fig. 2, this embodiment discloses that a plurality of anti-slip strips 29 are fixedly connected to one side of the clamping block 23, and the anti-slip strips 29 are made of rubber. By providing the anti-slip strips 29, the contact friction force on the side of the clamping block 23 can be increased, so that the clamping is firmer when the clamping block is clamped on the surface of the sealing block 22.
Referring to fig. 3 and 4, this embodiment discloses a maintenance device 3 that is convenient for including fixture block 34, first draw-in hole 31 has been seted up to one side of rectangular hole support 21, mounting hole 32 has all been seted up at the both ends of connecting valve 1, the inner wall size and the shape of mounting hole 32 and the one end surface size and the shape looks adaptation of rectangular hole support 21, second draw-in hole 33 has been seted up at the inner wall top of mounting hole 32, the inner wall size and the shape of first draw-in hole 31 and second draw-in hole 33 all with the one end surface size and the shape looks adaptation of fixture block 34. When the clamping block 23 and the threaded rod 25 in the sealing device 2 need to be maintained and replaced, the clamping block 34 can be manually held, pulled upwards, one end of the clamping block is pulled out of the second clamping hole 33 and the first clamping hole 31, then the rectangular hole support 21 is held, pulled to one side, one end of the rectangular hole support 21 can be pulled out of the mounting hole 32, and therefore the rectangular hole support 21 can be detached from the connecting valve 1, and maintenance and replacement of the rectangular hole support are facilitated.
Referring to fig. 3 and 4, this embodiment discloses that the outer surface of one end of the clamping block 34 is fixedly connected with an anti-slip block 35, and the inner walls of the first clamping hole 31 and the second clamping hole 33 are matched with the outer surface of the anti-slip block 35 in size and shape. By arranging the anti-skid blocks 35, the contact friction force of the outer surface of one end of the clamping block 34 can be increased, so that the clamping block is difficult to shake after being clamped into the first clamping hole 31 and the second clamping hole 33, and the clamping block is more fastened. The top of the clamping block 34 is fixedly connected with a connecting rope 36, and one end of the connecting rope 36 is fixedly connected with the outer surface of the connecting valve 1. By providing the connecting rope 36, one end of the clamping block 34 can be fixedly connected to the outer surface of the connecting valve 1, so that the clamping block is not easy to be lost after being pulled out from the first clamping hole 31 and the second clamping hole 33.
When the connecting valve 1 is used for connecting and controlling two low-temperature vacuum pipelines, the two low-temperature vacuum pipelines are usually connected and installed on the inlets and outlets of the two ends of the connecting valve 1 respectively, after the connecting valve 1 is installed, the sealing blocks 22 are manually overlapped around the outer surfaces of the two ends of the connecting valve 1 and the outer surfaces of the joints of the low-temperature vacuum pipelines, then one clamping block 23 is manually pulled to one side, the outer surfaces of one side of the clamping block and the anti-slip strip 29 are tightly attached to the joints of the sealing blocks 22, the clamping block 23 moves to drive the connecting rod 24, the threaded rod 25, the limiting block 28 and the threaded hole block 26 to move to the corresponding positions on one side in the inner wall of the rectangular hole support 21, then the threaded block 27 is held to screw the threaded rod 25, the bottoms of the threaded hole block 26 are abutted to the top of the rectangular hole support 21, so that the clamping block 23 presses and fixes the joints of the sealing blocks 22 on the outer surfaces of the two ends of the connecting valve 1 and the joints of the low-temperature vacuum pipelines, the other clamping block 23 is operated in the same way, the sealing blocks 22 can be easily attached to the joints of the connecting blocks, the joints of the sealing blocks are tightly attached to the joints of the sealing blocks 22, the joints of the sealing blocks can be replaced, the low-temperature pipelines can be replaced, and the vacuum pipeline can be replaced, and the low-temperature pipeline can be easily, and the low-temperature pipeline can be conveniently, and low-temperature vacuum pipeline can be conveniently and low-temperature sealed.
When the clamping block 23 and the threaded rod 25 in the sealing device 2 need to be maintained and replaced, the connecting rope 36 can be manually held to pull one end upwards to drive the clamping block 34 to move upwards, one end and the anti-skid block 35 of the clamping block are pulled out of the second clamping hole 33 and the first clamping hole 31, and then the rectangular hole support 21 is held to pull to one side, one end of the rectangular hole support 21 can be pulled out of the mounting hole 32, so that the rectangular hole support 21 can be detached from the connecting valve 1, and the rectangular hole support is convenient to maintain and replace.
Claims (7)
1. The utility model provides a low temperature vacuum pipeline connecting piece, includes connecting valve (1), its characterized in that: the utility model discloses a valve, including valve (1) and sealing device, the both ends surface of connecting valve (1) is provided with sealing device (2), sealing device (2) include rectangular hole support (21), sealing block (22) and two clamp splice (23), be provided with between one side of rectangular hole support (21) and the one end of connecting valve (1) and be convenient for maintain device (3), the surface fixedly connected with connecting rod (24) of clamp splice (23), the top fixedly connected with threaded rod (25) of connecting rod (24), the surface size of threaded rod (25) and the inner wall size looks adaptation of rectangular hole support (21), the surface threaded connection of threaded rod (25) has screw block (26), the top butt of screw block (26) and rectangular hole support (21), sealing block (22) set up between the both ends surface of connecting valve (1) and two clamp splice (23).
2. A cryogenic vacuum pipe connection according to claim 1, characterized in that: the outer surface of the screw hole block (26) is fixedly connected with a plurality of screwing blocks (27), and the screwing blocks (27) are equidistantly arranged.
3. A cryogenic vacuum pipe connection according to claim 1, characterized in that: the top of threaded rod (25) fixedly connected with stopper (28), the surface size of stopper (28) is bigger than the inner wall size of screw piece (26).
4. A cryogenic vacuum pipe connection according to claim 1, characterized in that: one side of the clamping block (23) is fixedly connected with a plurality of anti-slip strips (29), and the anti-slip strips (29) are made of rubber materials.
5. A cryogenic vacuum pipe connection according to claim 1, characterized in that: the device (3) of being convenient for maintain includes fixture block (34), first draw-in hole (31) have been seted up to one side of rectangular hole support (21), mounting hole (32) have all been seted up at the both ends of connecting valve (1), the inner wall size and the shape of mounting hole (32) and the one end surface size and the shape looks adaptation of rectangular hole support (21), second draw-in hole (33) have been seted up at the inner wall top of mounting hole (32), the inner wall size and the shape of first draw-in hole (31) and second draw-in hole (33) all with the one end surface size and the shape looks adaptation of fixture block (34).
6. A cryogenic vacuum pipe connection according to claim 5, characterized in that: the anti-skid block (35) is fixedly connected to the outer surface of one end of the clamping block (34), and the inner wall of the first clamping hole (31) and the inner wall of the second clamping hole (33) are matched with the outer surface of the anti-skid block (35) in size and shape.
7. A cryogenic vacuum pipe connection according to claim 5, characterized in that: the top of fixture block (34) fixedly connected with connecting rope (36), the one end of connecting rope (36) is connected with the surface fixed of connecting valve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467173.5U CN220186152U (en) | 2023-06-09 | 2023-06-09 | Low-temperature vacuum pipeline connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467173.5U CN220186152U (en) | 2023-06-09 | 2023-06-09 | Low-temperature vacuum pipeline connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220186152U true CN220186152U (en) | 2023-12-15 |
Family
ID=89107483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321467173.5U Active CN220186152U (en) | 2023-06-09 | 2023-06-09 | Low-temperature vacuum pipeline connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220186152U (en) |
-
2023
- 2023-06-09 CN CN202321467173.5U patent/CN220186152U/en active Active
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