CN216895950U

CN216895950U - Heat-preservation check valve

Info

Publication number: CN216895950U
Application number: CN202122721470.5U
Authority: CN
Inventors: 罗泽承
Original assignee: Yueqiang Valve Co ltd
Current assignee: Yueqiang Valve Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-07-05
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of valves and discloses a heat-preservation check valve which comprises a valve cover, wherein the bottom of the valve cover is fixedly connected with a valve body, one side of the valve body is fixedly connected with an installation pipe, the inner wall of the installation pipe is fixedly connected with a sealing gasket, the interior of the installation pipe is fixedly connected with a threaded sleeve, the inner wall of the threaded sleeve is movably connected with a threaded rod, a movable groove is formed in the installation pipe, and a movable rod is movably connected in the movable groove. This heat preservation check valve is convenient for install, and the effectual change and the comparatively inconvenient problem of maintenance of valve when leading to the valve to appear destroying because of being not convenient for install with the dismantlement of having avoided general device, improved the installation of this heat preservation check valve and the efficiency of dismantlement, the effectual efficiency that improves this valve maintenance and change to the effectual working progress who ensures the valve, thereby further improvement the rate of utilization of valve, further improvement the practicality and the convenience of valve.

Description

Heat-preservation check valve

Technical Field

The utility model relates to the technical field of valves, in particular to a heat-preservation check valve.

Background

The heat-insulating check valve is also called as reverse-flow valve, check valve, back pressure valve and one-way valve, and is characterized by that it is an automatic valve which can be automatically opened and closed by means of force produced by self-flowing of medium in pipeline.

The heat preservation check valve that uses in traditional market is convenient for install, often can appear because of be not convenient for install with dismantle lead to the valve appear when destroying change and the comparatively inconvenient problem of maintenance to the valve, the installation of heat preservation check valve is lower with the efficiency of dismantlement, the working progress of valve can't be ensured.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the heat-preservation check valve which has the advantages of convenience in installation and the like and solves the problem that a common valve is inconvenient to install.

(II) technical scheme

In order to achieve the purpose of convenient installation, the utility model provides the following technical scheme: a heat-preservation check valve comprises a valve cover, wherein the bottom of the valve cover is fixedly connected with a valve body, one side of the valve body is fixedly connected with an installation pipe, the inner wall of the installation pipe is fixedly connected with a sealing gasket, and the interior of the installation pipe is fixedly connected with a threaded sleeve;

the inner wall of the threaded sleeve is movably connected with a threaded rod, a movable groove is formed in the mounting pipe, a movable rod is movably connected in the movable groove, one end of the threaded rod is fixedly connected with an adjusting block, and one side of the adjusting block is fixedly connected with an inner side sealing strip;

preferably, the inside fixedly connected with fixed block of valve body, the inside fixedly connected with bolt of fixed block, the inside of valve body is through bolt fixedly connected with adjusting frame, the inside fixedly connected with loose axle of adjusting frame, the outer wall swing joint of loose axle has the connecting rod, connecting rod bottom fixedly connected with connecting block, one side fixedly connected with valve block of connecting block can adjust flow.

Preferably, the inner wall fixedly connected with sealing washer of adjust the frame, the inner wall of sealing washer and the outer wall swing joint of connecting rod can protect the connecting rod, the effectual life who prolongs the valve.

Preferably, the inner wall fixedly connected with filter screen of installation pipe, the inside fixedly connected with filter screen of valve body can filter liquid, the effectual cleanliness factor that ensures liquid.

Preferably, the outer wall of the valve block is fixedly connected with an outer side sealing strip, the outer wall of the outer side sealing strip is movably connected with the inner wall of the valve body, the size of the outer wall of the outer side sealing strip is matched with that of the inner wall of the valve body, the valve can be well sealed, and liquid is prevented from flowing backwards.

Preferably, the quantity of filter screen is two, and two filter screens use the horizontal center line of valve body as symmetry axis symmetry setting, can filter liquid many times.

Preferably, the inside fixedly connected with screw of valve body, the screw runs through the valve body and extends to the outside of installation pipe, can be to carrying out fixed mounting between installation pipe and the valve body.

(III) advantageous effects

Compared with the prior art, the utility model provides a heat-preservation check valve which has the following beneficial effects:

1. the heat-preservation check valve can be conveniently installed by mutually matching the valve cover, the valve body, the installation pipe, the sealing gasket, the threaded sleeve, the threaded rod, the movable groove, the movable rod, the adjusting block and the inner side sealing strip, the problem that the valve is inconvenient to replace and maintain when the valve is damaged due to inconvenient installation and disassembly of a common device is effectively avoided, the installation and disassembly efficiency of the heat-preservation check valve is improved, the maintenance and replacement efficiency of the valve is effectively improved, the working progress of the valve is effectively guaranteed, the utilization rate of the valve is further improved, and the practicability and convenience of the valve are further improved;

2. the heat-preservation check valve has the advantages that the sealing effect of the heat-preservation check valve is good, the sealing performance is good, the problem that liquid leaks and is mixed due to poor sealing performance of a common heat-preservation check valve in the using process is effectively solved, resources are effectively saved, the sealing performance of the valve is improved, the using effect of the device is improved, and the using rate of the device is further improved;

3. the heat-preservation check valve can filter liquid through the mutual matching use of the valve body, the mounting pipe, the filter screen and the filter screen, and the liquid is filtered for multiple times when flowing in the valve, so that the purity of the liquid is improved, the use efficiency of the liquid is effectively ensured, and meanwhile, the problem that the valve or the pipeline is blocked due to the fact that the common heat-preservation check valve is not added with the filtering effect is effectively avoided;

drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the connection structure of the installation pipe and the threaded sleeve of the utility model.

In the figure: 1. a valve cover; 2. a valve body; 3. installing a pipe; 4. a gasket; 5. a threaded sleeve; 6. a threaded rod; 7. a movable groove; 8. a movable rod; 9. an adjusting block; 10. an inner side sealing strip; 11. a fixed block; 12. A bolt; 13. an adjusting frame; 14. a movable shaft; 15. a connecting rod; 16. connecting blocks; 17. a valve block; 18. A seal ring; 19. filtering with a screen; 20. a filter screen; 21. an outer seal strip; 22. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a heat preservation check valve comprises a valve cover 1, wherein the bottom of the valve cover 1 is fixedly connected with a valve body 2, one side of the valve body 2 is fixedly connected with a mounting pipe 3, the inner wall of the mounting pipe 3 is fixedly connected with a sealing gasket 4, and the interior of the mounting pipe 3 is fixedly connected with a threaded sleeve 5;

the inner wall of the threaded sleeve 5 is movably connected with a threaded rod 6, a movable groove 7 is formed in the mounting tube 3, a movable rod 8 is movably connected in the movable groove 7, an adjusting block 9 is fixedly connected at one end of the threaded rod 6, an inner side sealing strip 10 is fixedly connected at one side of the adjusting block 9, and the heat-insulating check valve can be conveniently mounted by matching the valve cover 1, the valve body 2, the mounting tube 3, the sealing gasket 4, the threaded sleeve 5, the threaded rod 6, the movable groove 7, the movable rod 8, the adjusting block 9 and the inner side sealing strip 10, thereby effectively avoiding the problem that the valve is inconvenient to replace and maintain when the valve is damaged due to inconvenient mounting and dismounting of a common device, improving the mounting and dismounting efficiency of the heat-insulating check valve, effectively improving the maintenance and replacement efficiency of the valve, and effectively ensuring the working progress of the valve, thereby further improving the utilization rate of the valve, further improving the practicability and convenience of the valve, the inside of the valve body 2 is fixedly connected with a fixed block 11, the inside of the fixed block 11 is fixedly connected with a bolt 12, the inside of the valve body 2 is fixedly connected with an adjusting frame 13 through the bolt 12, the inside of the adjusting frame 13 is fixedly connected with a movable shaft 14, the outer wall of the movable shaft 14 is movably connected with a connecting rod 15, the bottom of the connecting rod 15 is fixedly connected with a connecting block 16, one side of the connecting block 16 is fixedly connected with a valve block 17 which can adjust the flow, the inner wall of the adjusting frame 13 is fixedly connected with a sealing ring 18, the inner wall of the sealing ring 18 is movably connected with the outer wall of the connecting rod 15, the connecting rod 15 can be protected, the service life of the valve is effectively prolonged, the inner wall of the mounting pipe 3 is fixedly connected with a filter screen 19, and the inside of the valve body 2 is fixedly connected with a filter screen 20, the liquid can be filtered, the cleanliness of the liquid is effectively guaranteed, the heat-preservation check valve can filter the liquid through the mutual matching use of the valve body 2, the mounting pipe 3, the filter screen 19 and the filter screen 20, the liquid is filtered for many times when flowing in the valve, the cleanliness of the liquid is improved, the use efficiency of the liquid is effectively guaranteed, meanwhile, the problem that the valve is blocked or a pipeline is blocked due to the fact that the common heat-preservation check valve is not added in filtering effect is effectively avoided, the outer wall of the valve block 17 is fixedly connected with the outer side sealing strip 21, the outer wall of the outer side sealing strip 21 is movably connected with the inner wall of the valve body 2, the outer wall of the outer side sealing strip 21 is matched with the inner wall of the valve body 2 in size, the valve can be well sealed, the liquid can be prevented from flowing backwards, and the sealing gasket 4, the inner side sealing strip 10 and the outer side sealing strip 21 are mutually matched for use, can make the better leakproofness of the sealed effect of this heat preservation check valve better, the effectual general heat preservation check valve of having avoided leads to the weeping to mix the problem of liquid because of the leakproofness is not good in the use and appears, the effectual resource of having practiced thrift, the leakproofness of valve has been improved, the result of use of device has been improved, thereby further improvement the rate of utilization of device, the quantity of filter screen 19 is two, and two filter screens 19 use the horizontal central line of valve body 2 to set up as symmetry axis symmetry, can filter liquid many times, the inside fixedly connected with screw 22 of valve body 2, screw 22 runs through valve body 2 and extends to the outside of installation pipe 3, can carry out fixed mounting between installation pipe 3 and valve body 2.

When using, aim at installation pipe 3 pipeline rotation threaded rod 6 and drive regulating block 9 downstream, carry out the interlock to the pipeline and compress tightly, make valve installation fastening, liquid enters into the inside of installation pipe 3 and crosses liquid through filter screen 19 and filter for the first time, liquid enters into the inside of valve body 2, the impulsive force of liquid drives valve block 17 and has at the inside swing joint of alignment jig 13, make liquid pass through the inside of valve body 2 and enter into the opposite side pipeline after carrying out secondary filter through filter screen 20 to liquid, when liquid wants the refluence, valve block 17 falls because of gravity, carry out closed separation liquid refluence to valve body 2.

In conclusion, the heat-insulating check valve is convenient to install, effectively avoids the problem that the valve is inconvenient to replace and maintain when the valve is damaged due to inconvenient installation and disassembly of a common device, improves the installation and disassembly efficiency of the heat-insulating check valve, effectively improves the maintenance and replacement efficiency of the valve, effectively ensures the working progress of the valve, further improves the utilization rate of the valve, further improves the practicability and convenience of the valve, can ensure that the sealing effect of the heat-insulating check valve is better and the sealing performance is better, effectively avoids the problem that the common heat-insulating check valve leaks and mixes liquid due to poor sealing performance in the use process, effectively saves resources, improves the sealing performance of the valve, improves the use effect of the device, and further improves the utilization rate of the device, can be so that this heat preservation check valve can filter liquid, when liquid flows in the valve, filter liquid many times, improved the purity of liquid, the effectual availability factor that ensures liquid, the effectual general heat preservation check valve of having avoided simultaneously does not lead to valve jam or pipe blockage's problem to appear because of the filter effect does not add.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat preservation check valve, includes valve gap (1), its characterized in that: the bottom of the valve cover (1) is fixedly connected with a valve body (2), one side of the valve body (2) is fixedly connected with a mounting pipe (3), the inner wall of the mounting pipe (3) is fixedly connected with a sealing gasket (4), and the interior of the mounting pipe (3) is fixedly connected with a threaded sleeve (5);

the inner wall swing joint of threaded sleeve (5) has threaded rod (6), activity groove (7) have been seted up to the inside of installation pipe (3), the inside swing joint in activity groove (7) has movable rod (8), one end fixedly connected with regulating block (9) of threaded rod (6), inboard sealing strip (10) of one side fixedly connected with of regulating block (9).

2. A thermal insulating check valve as claimed in claim 1, wherein: the inside fixedly connected with fixed block (11) of valve body (2), the inside fixedly connected with bolt (12) of fixed block (11), bolt (12) fixedly connected with adjusting frame (13) is passed through to the inside of valve body (2), the inside fixedly connected with loose axle (14) of adjusting frame (13), the outer wall swing joint of loose axle (14) has connecting rod (15), connecting rod (15) bottom fixedly connected with connecting block (16), one side fixedly connected with valve block (17) of connecting block (16).

3. A thermal non-return valve in accordance with claim 2, wherein: the inner wall of the adjusting frame (13) is fixedly connected with a sealing ring (18), and the inner wall of the sealing ring (18) is movably connected with the outer wall of the connecting rod (15).

4. A thermal insulating check valve as claimed in claim 1, wherein: the inner wall fixedly connected with filter screen (19) of installation pipe (3), the inside fixedly connected with filter screen (20) of valve body (2).

5. A thermal non-return valve in accordance with claim 2, wherein: the outer wall fixedly connected with outside sealing strip (21) of valve block (17), the outer wall of outside sealing strip (21) and the inner wall swing joint of valve body (2), and the outer wall size of outside sealing strip (21) is identical with the inner wall size of valve body (2).

6. The thermal check valve of claim 4, wherein: the quantity of filter screen (19) is two, and two filter screens (19) use the horizontal center line of valve body (2) as symmetry axis symmetry setting.

7. A thermal check valve as defined in claim 1, further comprising: the inside fixedly connected with screw (22) of valve body (2), screw (22) run through valve body (2) and extend to the outside of installation pipe (3).