CN214368393U

CN214368393U - Auxiliary connecting mechanism of low-temperature check valve

Info

Publication number: CN214368393U
Application number: CN202120177330.3U
Authority: CN
Inventors: 张斌; 张远东; 唐先明; 孟健
Original assignee: Chengdu Singoly Cryogenic Technology Co ltd
Current assignee: Chengdu Singoly Cryogenic Technology Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-08
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an auxiliary connecting mechanism of a low-temperature check valve, which belongs to the technical field of low-temperature check valves, and adopts the technical proposal that the auxiliary connecting mechanism comprises a low-temperature check valve body, wherein both sides of the low-temperature check valve body are provided with first mounting rings, one side of the first mounting ring, which is far away from the low-temperature check valve body, is fixedly connected with a sealing ring, the right side of the low-temperature check valve body is provided with a first pipeline, the left side of the low-temperature check valve body is provided with a second pipeline, the right side of the first pipeline and the front side of the second pipeline are both sheathed with second mounting rings which are matched with the first mounting rings, the top parts of the first mounting rings and the second mounting rings are provided with first clamping sleeves, thereby solving the problems that the conventional auxiliary connecting mechanism of the low-temperature check valve is usually connected with the low-temperature check valve and the pipelines by a plurality of flange holes and screws, the connecting method is laborious and troublesome and is inconvenient to install and dismantle, inconvenience is brought to users, and the use of the users is not facilitated.

Description

Auxiliary connecting mechanism of low-temperature check valve

Technical Field

The utility model relates to a low temperature check valve technical field, in particular to low temperature check valve's supplementary coupling mechanism.

Background

The low-temperature check valve is a valve which automatically opens and closes a valve flap by means of medium flowing, and is used for preventing medium from flowing backwards, and is also called a check valve, a one-way valve, a reverse flow valve and a back pressure valve.

When connecting low temperature check valve and pipeline, can use low temperature check valve's supplementary coupling mechanism, current low temperature check valve's supplementary coupling mechanism all uses a plurality of flange holes and screw to connect low temperature check valve and pipeline usually, and this kind of connection method is hard and troublesome again, and inconvenient installation and dismantlement bring inconvenience for the user, are unfavorable for the user to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low temperature check valve's supplementary coupling mechanism, the supplementary coupling mechanism who aims at having solved current low temperature check valve all uses a plurality of flange holes and screw to connect low temperature check valve and pipeline usually, and this kind of connection method is hard troublesome again, and inconvenient installation and dismantlement bring inconvenience for the user, are unfavorable for the problem that the user used.

The utility model discloses a realize like this, a low temperature check valve's supplementary coupling mechanism, including the low temperature check valve body, the both sides of low temperature check valve body all are provided with first installation circle, the equal fixedly connected with sealing washer in one side of low temperature check valve body is kept away from to first installation circle, the right side of low temperature check valve body is provided with first pipeline, the left side of low temperature check valve body is provided with the second pipeline, the right side of first pipeline and the front side of second pipeline all overlap and are equipped with the second installation circle that uses with the cooperation of first installation circle, the top of first installation circle and second installation circle is provided with first cutting ferrule, the bottom of first installation circle and second installation circle is provided with the second cutting ferrule, the inner chamber of first cutting ferrule and the inner chamber of second cutting ferrule all are provided with the rubber pad that uses with the cooperation of first installation circle and second cutting ferrule, the front side of first installation circle and second installation circle is provided with and uses with the cooperation of first cutting ferrule and second cutting ferrule The fixing mechanism of (1).

In order to reach and connect fixed effect to first cutting ferrule and second cutting ferrule, as the utility model discloses a low temperature check valve's supplementary coupling mechanism is preferred, fixing mechanism includes first fixed block and second fixed block, the bottom of second fixed block is provided with the spacing ring, the top fixedly connected with threaded rod of spacing ring, the top of threaded rod is run through first fixed block and second fixed block and is equipped with the swivel nut.

In order to reach the effect of sealing up the junction, as the utility model discloses a low temperature check valve's supplementary coupling mechanism is preferred, the inner wall of second installation circle is connected with the fixed surface of first pipeline and second pipeline respectively, one side and the sealing washer contact that the second installation circle is close to the sealing washer.

In order to reach the effect of fixing a position the position of first installation circle and second installation circle, as the utility model discloses a low temperature check valve's supplementary coupling mechanism is preferred, one side and the contact of first installation circle and second installation circle that first cutting ferrule inner wall is close to first installation circle and second installation circle, hinge swing joint is passed through to the rear side of first cutting ferrule and second cutting ferrule, one side and the contact of second cutting ferrule that first cutting ferrule is close to the second cutting ferrule, one side and the contact of first installation circle and second installation circle that second cutting ferrule inner wall is close to first installation circle and second installation circle.

In order to prevent that first cutting ferrule and second cutting ferrule from causing extrusion wear and can carry out the secondary seal to the junction to first mounting collar and second mounting collar when fixing a position first mounting collar and second mounting collar, increase sealed effect, as the utility model discloses a low temperature check valve's supplementary coupling mechanism is preferred, one side that the rubber pad is close to first cutting ferrule and second cutting ferrule inner wall respectively with the inner wall fixed connection of first cutting ferrule and second cutting ferrule, one side that the rubber pad is close to first mounting collar and second mounting collar contacts with first mounting collar and second mounting collar.

In order to reach and to play the support to the screw rod and fixed and can carry out spacing effect to the position of screw rod, as the utility model discloses a low temperature check valve's supplementary coupling mechanism is preferred, one side and first cutting ferrule fixed connection that first fixed block is close to first cutting ferrule, one side and second cutting ferrule fixed connection that the second fixed block is close to the second cutting ferrule, the top of spacing ring contacts with the bottom of second fixed block.

In order to reach the effect of connecting fixedly first cutting ferrule and second cutting ferrule, as the utility model discloses a low temperature check valve's supplementary coupling mechanism is preferred, the opening that uses with the threaded rod cooperation is all seted up to the bottom of first fixed block and second fixed block, screw thread swing joint is passed through on the inner wall of swivel nut and the surface of threaded rod, one side and the first fixed block contact that the swivel nut is close to first fixed block.

Compared with the prior art, the beneficial effects of the utility model are that:

the auxiliary connecting mechanism of the low-temperature check valve is characterized in that a first pipeline and a second pipeline are connected and installed with a low-temperature check valve body by parallelly extruding and contacting a sealing ring at one side of a second installation ring close to the sealing ring, then the positions of the first installation ring and the second installation ring are positioned and connected by installing and sleeving a first clamping sleeve and a second clamping sleeve on the surfaces of the first installation ring and the second installation ring, then the fixing mechanism is adjusted to connect and fix the first clamping sleeve and the second clamping sleeve, so that the connection of the first pipeline and the second pipeline with the low-temperature check valve body is completed, the effect of convenient installation and disassembly is achieved, the problem that the conventional auxiliary connecting mechanism of the low-temperature check valve is difficult and troublesome to connect the low-temperature check valve and the pipelines by using a plurality of flange holes and screws is solved, inconvenience is brought to users, and the use of the users is not facilitated.

Drawings

FIG. 1 is an overall view of the auxiliary connecting mechanism of the low temperature check valve of the present invention;

fig. 2 is a schematic perspective view of the low-temperature check valve body, the first mounting ring, the sealing ring, the first pipeline, the second pipeline, and the second mounting ring according to the present invention;

fig. 3 is a schematic perspective view of the first card sleeve, the second card sleeve and the rubber pad of the present invention;

fig. 4 is a front sectional view of the fixing mechanism of the present invention.

In the figure, 1, a low temperature check valve body; 2. a first mounting ring; 3. a seal ring; 4. a first conduit; 5. a second conduit; 6. a second mounting ring; 7. a first ferrule; 8. a second ferrule; 9. a rubber pad; 10. a fixing mechanism; 1001. a first fixed block; 1002. a second fixed block; 1003. a limiting ring; 1004. a threaded rod; 1005. a threaded sleeve; 11. and (6) a port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a low temperature check valve's supplementary coupling mechanism, including low temperature check valve body 1, the both sides of low temperature check valve body 1 all are provided with first installation circle 2, the equal fixedly connected with sealing washer 3 in one side that low temperature check valve body 1 was kept away from to first installation circle 2, the right side of low temperature check valve body 1 is provided with first pipeline 4, the left side of low temperature check valve body 1 is provided with second pipeline 5, the right side of first pipeline 4 and the front side of second pipeline 5 all overlap and are equipped with second installation circle 6 of using with the cooperation of first installation circle 2, the top of first installation circle 2 and second installation circle 6 is provided with first cutting ferrule 7, the bottom of first installation circle 2 and second installation circle 6 is provided with second cutting ferrule 8, the inner chamber of first cutting ferrule 7 and the inner chamber of second cutting ferrule 8 all are provided with the rubber pad 9 that uses with the cooperation of first installation circle 2 and second installation circle 6, the front side of first installation circle 2 and second installation circle 6 is provided with first cutting ferrule 7 and the cooperation of using with the cooperation of second cutting ferrule 8 The fixing mechanism 10.

In this embodiment: the first pipeline 4 and the second pipeline 5 are connected and installed with the low-temperature check valve body 1 by parallelly extruding and contacting the sealing ring 3 at one side of the second mounting ring 6 close to the sealing ring 3, then the positions of the first mounting ring 2 and the second mounting ring 6 are positioned and connected by installing and sleeving the first clamping sleeve 7 and the second clamping sleeve 8 on the surfaces of the first mounting ring 2 and the second mounting ring 6, then the fixing mechanism 10 is adjusted to connect and fix the first clamping sleeve 7 and the second clamping sleeve 8, thereby completing the connection of the first pipeline 4 and the second pipeline 5 with the low-temperature check valve body 1, achieving the effect of convenient installation and disassembly, solving the problem that the auxiliary connecting mechanism of the existing low-temperature check valve usually uses a plurality of flange holes and screws to connect the low-temperature check valve with the pipeline, and the connecting method is laborious and troublesome, inconvenient installation and disassembly, inconvenience brought to users and inconvenience for the users to use.

As a technical optimization scheme of the utility model, fixed establishment 10 includes first fixed block 1001 and second fixed block 1002, and the bottom of second fixed block 1002 is provided with spacing ring 1003, and the top fixedly connected with threaded rod 1004 of spacing ring 1003, the top of threaded rod 1004 run through first fixed block 1001 and second fixed block 1002 and the cover is equipped with swivel nut 1005.

In this embodiment: the threaded rod 1004 sequentially penetrates through the second fixing block 1002 and the first fixing block 1001, the top of the limiting ring 1003 is in contact with the bottom of the second fixing block 1002, then the threaded sleeve 1005 is sleeved on the top of the surface of the threaded rod 1004 and rotates the threaded sleeve 1005, the threaded sleeve 1005 moves under the action of threads and moves to the bottom of the threaded sleeve 1005 to be in contact with the top of the first fixing block 1001, and the effect of connecting and fixing the first clamping sleeve 7 and the second clamping sleeve 8 is achieved.

As a technical optimization scheme of the utility model, the inner wall of second collar 6 is connected with the fixed surface of first pipeline 4 and second pipeline 5 respectively, and one side that second collar 6 is close to sealing washer 3 contacts with sealing washer 3.

In this embodiment: through setting up second collar 6, can make first cutting ferrule 7 and second cutting ferrule 8 conveniently be connected first pipeline 4 and second pipeline 5 and low temperature check valve body 1, through setting up one side that second collar 6 is close to sealing washer 3 and sealing washer 3 contact, reached and carried out sealed effect to the junction.

As a technical optimization scheme of the utility model, one side and the first collar 2 and the 6 contacts of second collar of first cutting ferrule 7 inner wall near first collar 2 and second collar 6, hinge swing joint is passed through to the rear side of first cutting ferrule 7 and second cutting ferrule 8, one side and the 8 contacts of second cutting ferrule that first cutting ferrule 7 is close to second cutting ferrule 8, one side and the 2 and the 6 contacts of second collar 2 and second collar of second cutting ferrule 8 inner wall near first collar 2 and second collar 6.

In this embodiment: through setting up first cutting ferrule 7 and second cutting ferrule 8, reached and enclosed the position of 2 and the second installation and carry out the effect of fixing a position.

As a technical optimization scheme of the utility model, one side that rubber pad 9 is close to

first cutting ferrule

7 and 8 inner walls of second cutting ferrule respectively with

first cutting ferrule

7 and 8 inner wall fixed connection of second cutting ferrule, one side that rubber pad 9 is close to first retainer plate 2 and second retainer plate 6 contacts with first retainer plate 2 and 6 with second retainer plate.

In this embodiment: through setting up rubber pad 9, can prevent that first cutting ferrule 7 and second cutting ferrule 8 from leading to the fact extrusion wear to first retainer plate 2 and second retainer plate 6 when fixing a position first retainer plate 2 and second retainer plate 6, can carry out the secondary to the junction moreover and seal, increase sealed effect.

As the utility model discloses a technical optimization scheme, first fixed block 1001 is close to one side and first cutting ferrule 7 fixed connection of first cutting ferrule 7, and second fixed block 1002 is close to one side and second cutting ferrule 8 fixed connection of second cutting ferrule 8, the top of spacing ring 1003 and the bottom contact of second fixed block 1002.

In this embodiment: through setting up first fixed block 1001 and second fixed block 1002, can play support and fixed effect to threaded rod 1004, through setting up spacing ring 1003, can carry out spacingly to the position of threaded rod 1004.

As the utility model discloses a technical optimization scheme, the opening 11 of using with the threaded rod 1004 cooperation is all seted up to the bottom of first fixed block 1001 and second fixed block 1002, and screw thread swing joint is passed through with the surface of threaded rod 1004 to the inner wall of swivel nut 1005, and one side that the swivel nut 1005 is close to first fixed block 1001 contacts with first fixed block 1001.

In this embodiment: through setting up opening 11, in order to make threaded rod 1004 can run through first fixed block 1001 and second fixed block 1002, through setting up swivel nut 1005, can fix the position of threaded rod 1004 to the effect of connecting fixedly has been reached first cutting ferrule 7 and second cutting ferrule 8.

The working principle is as follows: firstly, a first pipeline 4 and a second pipeline 5 are connected and installed with a low-temperature check valve body 1 by parallelly pressing and contacting the sealing ring 3 on one side of a second installation ring 6 close to the sealing ring 3, then the positions of a first installation ring 2 and a second installation ring 6 are positioned and connected by installing and sleeving a first clamping sleeve 7 and a second clamping sleeve 8 on the surfaces of the first installation ring 2 and the second installation ring 6, then a threaded rod 1004 sequentially penetrates through a second fixing block 1002 and the first fixing block 1001 and the top of a limiting ring 1003 is contacted with the bottom of the second fixing block 1002, then a threaded sleeve 1005 is sleeved on the top of the surface of the threaded rod 1004 and the threaded sleeve 1005 is rotated, so that the threaded sleeve is moved under the action of a thread 1005 to be moved until the bottom of the threaded sleeve 1005 is contacted with the clamping sleeve on the top of the first fixing block 1001, and the effect of connecting and fixing the first pipeline 7 and the second pipeline 8 is achieved, thereby accomplished the first pipeline 4 and the second pipeline 5 and the low temperature check valve body 1 be connected, reached easy to assemble and the effect of dismantling.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a supplementary coupling mechanism of low temperature check valve, includes low temperature check valve body (1), its characterized in that: the both sides of low temperature check valve body (1) all are provided with first installation circle (2), the equal fixedly connected with sealing washer (3) in one side of low temperature check valve body (1) are kept away from in first installation circle (2), the right side of low temperature check valve body (1) is provided with first pipeline (4), the left side of low temperature check valve body (1) is provided with second pipeline (5), the right side of first pipeline (4) and the front side of second pipeline (5) all overlap and are equipped with second installation circle (6) that use with first installation circle (2) cooperation, the top of first installation circle (2) and second installation circle (6) is provided with first cutting ferrule (7), the bottom of first installation circle (2) and second installation circle (6) is provided with second cutting ferrule (8), the inner chamber of first cutting ferrule (7) and the inner chamber of second cutting ferrule (8) all are provided with rubber pad (9) that use with first installation circle (2) and second installation circle (6) cooperation ) The front sides of the first mounting ring (2) and the second mounting ring (6) are provided with fixing mechanisms (10) matched with the first clamping sleeve (7) and the second clamping sleeve (8) for use.

2. The secondary coupling mechanism of a cryogenic check valve as claimed in claim 1, wherein: the fixing mechanism (10) comprises a first fixing block (1001) and a second fixing block (1002), a limiting ring (1003) is arranged at the bottom of the second fixing block (1002), a threaded rod (1004) is fixedly connected to the top of the limiting ring (1003), and the top of the threaded rod (1004) penetrates through the first fixing block (1001) and the second fixing block (1002) and is sleeved with a threaded sleeve (1005).

3. The secondary coupling mechanism of a cryogenic check valve as claimed in claim 1, wherein: the inner wall of the second mounting ring (6) is fixedly connected with the surfaces of the first pipeline (4) and the second pipeline (5) respectively, and one side, close to the sealing ring (3), of the second mounting ring (6) is in contact with the sealing ring (3).

4. The secondary coupling mechanism of a cryogenic check valve as claimed in claim 1, wherein: one side of the inner wall of the first clamping sleeve (7) close to the first mounting ring (2) and the second mounting ring (6) is in contact with the first mounting ring (2) and the second mounting ring (6), the rear sides of the first clamping sleeve (7) and the second clamping sleeve (8) are movably connected through a hinge, one side of the first clamping sleeve (7) close to the second clamping sleeve (8) is in contact with the second clamping sleeve (8), and one side of the inner wall of the second clamping sleeve (8) close to the first mounting ring (2) and the second mounting ring (6) is in contact with the first mounting ring (2) and the second mounting ring (6).

5. The secondary coupling mechanism of a cryogenic check valve as claimed in claim 1, wherein: one side of the rubber pad (9) close to the inner walls of the first clamping sleeve (7) and the second clamping sleeve (8) is fixedly connected with the inner walls of the first clamping sleeve (7) and the second clamping sleeve (8) respectively, and one side of the rubber pad (9) close to the first mounting ring (2) and the second mounting ring (6) is in contact with the first mounting ring (2) and the second mounting ring (6).

6. The secondary coupling mechanism of a cryogenic check valve as claimed in claim 2, wherein: one side, close to the first clamping sleeve (7), of the first fixing block (1001) is fixedly connected with the first clamping sleeve (7), one side, close to the second clamping sleeve (8), of the second fixing block (1002) is fixedly connected with the second clamping sleeve (8), and the top of the limiting ring (1003) is in contact with the bottom of the second fixing block (1002).

7. The secondary coupling mechanism of a cryogenic check valve as claimed in claim 2, wherein: the bottom of each of the first fixing block (1001) and the second fixing block (1002) is provided with a through hole (11) matched with the threaded rod (1004) for use, the inner wall of the threaded sleeve (1005) is movably connected with the surface of the threaded rod (1004) through threads, and one side, close to the first fixing block (1001), of the threaded sleeve (1005) is in contact with the first fixing block (1001).