CN219866285U - Waterproof and backflow-preventing regulating stop valve - Google Patents
Waterproof and backflow-preventing regulating stop valve Download PDFInfo
- Publication number
- CN219866285U CN219866285U CN202321027759.XU CN202321027759U CN219866285U CN 219866285 U CN219866285 U CN 219866285U CN 202321027759 U CN202321027759 U CN 202321027759U CN 219866285 U CN219866285 U CN 219866285U
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- valve
- groove
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- valve body
- balloon
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- 230000001105 regulatory effect Effects 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 33
- 238000012856 packing Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000945 filler Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a waterproof backflow-adjustable stop valve, which comprises a valve body, a valve core and a valve rod, wherein both ends of the valve body are respectively provided with an inflow channel, an outflow channel and a valve cavity communicated with the inflow channel and the outflow channel, a valve seat is arranged in the valve cavity, the valve core is propped against the valve seat, the upper end of the valve body is fixedly provided with an upper valve cover through a bolt, the upper end of the valve core is fixedly connected with the lower end of the valve rod through a rotating structure, the upper end of the valve rod penetrates out of the center of the upper valve cover to be fixedly connected with a hand wheel, the valve rod is fixedly connected with the upper valve cover through threads, a balloon is arranged in the outflow channel and clamped at a circulation port of the outflow channel and the valve cavity, the lower end of the balloon is fixedly provided with an arc tray, the lower end of the arc tray is fixedly provided with a main spring, and the lower end of the main spring is fixedly connected with the valve body through a bottom plate; the utility model can prevent water backflow and the valve core is not easy to damage.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a regulating stop valve capable of preventing water backflow.
Background
The stop valve is used for controlling the on-off of fluid in a pipeline, the control of the fluid is completely regulated through the control of the valve clack and the valve seat, when the medium of the valve is closed in the circulation process, the medium can flow backwards to generate a water hammer phenomenon, the valve core is damaged, and the service life of the valve core is further influenced.
In the prior art, the backflow prevention stop valve with the publication number of CN211715790U is provided with the second floating ball, when the medium flows backwards, the medium buoyancy acts on the second floating ball, and the second floating ball floats to the inner wall of the valve body to be in close contact with the inner wall of the valve body, so that the effect of sealing and cutting off the medium flow is achieved, and the water hammer is effectively prevented; however, this utility model has the following problems: the second floating ball is blocked through the arrangement of the anti-separation net, the problem that impurities in media are accumulated to affect subsequent medium circulation is solved through the arrangement of the anti-separation net, in addition, the first floating ball is in sealing connection with the valve seat, when the valve rod needs to be rotated to drive the first floating ball to move up and down to realize opening and closing of the valve, the first floating ball rubs with the valve seat due to rotation of the valve rod, so that the service life of the first floating ball is affected, and the service life of the valve body is further affected.
Disclosure of Invention
The utility model aims to provide an adjusting stop valve capable of preventing water backflow, and a valve core is not easy to damage.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a but waterproof regulation stop valve of refluence, includes valve body, case and valve rod, the valve body both ends are equipped with inflow channel and outflow channel respectively and rather than communicating valve pocket, be equipped with the disk seat in the valve pocket, the case with the disk seat offsets, the valve body upper end is equipped with the upper valve cover through the bolt fastening, the case upper end through rotating structure with valve rod lower extreme fixed connection, the valve rod upper end wears out upper valve cover center and hand wheel fixed connection, the valve rod with upper valve cover passes through threaded connection and fixes, be equipped with the sacculus in the outflow channel, the sacculus card is established outflow channel with the circulation mouth department of valve pocket, the sacculus lower extreme is fixed with the arc tray, the arc tray lower extreme is fixed with the main spring, main spring lower extreme with pass through bottom plate fixed connection between the valve body.
By adopting the technical scheme, the utility model has the following advantages:
according to the utility model, the balloon, the arc-shaped tray and the main spring are arranged, so that when a medium flows from the inflow channel to the outflow channel, the medium can generate downward pressure on the balloon, at the moment, the medium can normally circulate, impurities at the outflow channel can not be blocked, and when the medium stops circulating, the elastic force of the main spring can push the balloon to be clamped at the circulating port, so that the medium can not flow backwards, and the valve core is protected.
Further, the upper end of the balloon is fixedly connected with the valve body through an elastic rope.
By adopting the technical scheme, the utility model has the following advantages:
the elastic rope provided by the utility model can cause the balloon to deviate when the medium has a pushing effect on the main spring, so that the balloon can be pulled back to the circulation port by the elastic force all the time by the elastic rope, and the function of preventing the medium from flowing backwards is achieved.
Further, the elastic rope upper end is fixedly provided with a clamping seat, the position of the valve body upper end corresponding to the clamping seat is provided with an embedded groove, two ends of the embedded groove are communicated and provided with spring grooves, the clamping seat is embedded in the embedded groove, the spring grooves are fixedly provided with auxiliary springs, one ends of the auxiliary springs, which are close to the clamping seat, are fixedly provided with clamping blocks, one side upper ends of the clamping blocks are propped against the lower ends of the clamping seat, and the elastic rope penetrates through the clamping blocks.
By adopting the technical scheme, the utility model has the following advantages:
according to the utility model, the clamping seat, the auxiliary spring and the clamping block are arranged, so that when the elastic rope is required to be installed, the elastic rope can be fixed only by clamping the clamping seat through the clamping block, the upper end of the elastic rope is not required to be fixed through a bolt, and the subsequent replacement and maintenance are more convenient.
Furthermore, a clamping groove is formed in the position, corresponding to the bottom plate, of the valve body, and the bottom plate is clamped in the clamping groove and fixedly connected with the bottom plate through bolts.
By adopting the technical scheme, the utility model has the following advantages:
the clamping groove and the bottom plate play a role in fixing the main spring.
Furthermore, the upper end of the valve core is provided with an insertion groove, and the inner side of the insertion groove is communicated with a rotating groove.
By adopting the technical scheme, the utility model has the following advantages:
the insertion groove of the utility model plays a role in facilitating the insertion of the valve rod, and the rotary groove plays a role in arranging the rotary structure.
Further, the rotating structure comprises a ferrule, the lower end of the valve rod is fixedly sleeved with the ferrule, the ferrule is positioned in the rotary groove, a plurality of inner circular grooves are formed in the upper end and the lower end of the ferrule in a surrounding mode at equal intervals, balls are arranged in the inner circular grooves in a clamping mode, and the balls respectively abut against the upper end and the lower end of the rotary groove.
By adopting the technical scheme, the utility model has the following advantages:
the valve rod is fixedly connected with the valve core through the ferrule, the valve rod cannot be separated from the valve core, the valve rod and the valve core can rotate through the ball, and when the valve rod rotates to drive the valve core to move up and down, the rotation of the valve core can be reduced, so that friction between the valve core and a valve seat is reduced, the valve core is protected, and the service life of the valve core is further prolonged.
Further, the lasso side encircles the equidistance and is equipped with a plurality of wheel grooves, all be equipped with the gyro wheel in the wheel groove, the gyro wheel center runs through and is equipped with the fixed column, both ends respectively with corresponding the wheel groove fixed connection about the fixed column, gyro wheel one side with the commentaries on classics groove side offsets.
By adopting the technical scheme, the utility model has the following advantages:
the roller is arranged, so that when the valve rod drives the ferrule to rotate, the friction force between the ferrule and the valve core can be effectively reduced, the valve core and the ferrule are protected, and the service life of the valve is further prolonged.
Further, the inner side of the upper end of the upper valve cover is provided with a packing groove, sealing packing is arranged in the packing groove, the upper end of the sealing packing is provided with a sealing ring, the upper end of the upper valve cover is fixedly provided with a sealing cover plate through a bolt, the lower end of the sealing cover plate is provided with an annular groove corresponding to the sealing ring, and the upper end of the sealing ring is clamped in the annular groove.
By adopting the technical scheme, the utility model has the following advantages:
the sealing filler and the sealing ring are arranged, so that the sealing performance between the sealing valve rod and the upper valve cover is enhanced, and leakage of a medium from the position between the valve rod and the upper valve cover can be effectively prevented.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is an enlarged view of the structure of the present utility model at D
FIG. 3 is an enlarged schematic view of the structure of the utility model at A;
FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;
fig. 5 is an enlarged schematic view of the structure at C in the drawing of the present utility model.
Reference numerals: 1. a valve body; 101. an inflow channel; 102. an outflow channel; 103. a valve cavity; 2. an upper valve cover; 201. a filler tank; 3. sealing the cover plate; 301. an annular groove; 4. an embedded groove; 401. a spring groove; 5. a roller; 501. fixing the column; 6. a ferrule; 601. wheel grooves; 602. an inner circular groove; 7. a valve core; 701. a rotary groove; 702. an insertion groove; 8. an arc-shaped tray; 9. a balloon; 10. an elastic rope; 11. sealing filler; 12. a seal ring; 13. a valve stem; 14. a hand wheel; 15. a bottom plate; 16. a clamping groove; 17. a main spring; 18. a ball; 19. a clamping block; 20. a secondary spring; 21. a clamping seat; 22. a valve seat; 23. a flow port.
Detailed Description
As shown in fig. 1, in the specific embodiment, the regulating stop valve capable of preventing water backflow comprises a valve body 1, a valve core 7 and a valve rod 13, wherein both ends of the valve body 1 are respectively provided with an inflow channel 101, an outflow channel 102 and a valve cavity 103 communicated with the inflow channel 101 and the outflow channel 102, a valve seat 22 is arranged in the valve cavity 103, the valve core 7 is propped against the valve seat 22, the upper end of the valve body 1 is fixedly provided with an upper valve cover 2 through a bolt, the upper end of the valve core 7 is fixedly connected with the lower end of the valve rod 13 through a rotating structure, the upper end of the valve rod 13 penetrates through the center of the upper valve cover 2 and is fixedly connected with a hand wheel 14, the valve rod 13 is fixedly connected with the upper valve cover 2 through threads, a balloon 9 is arranged in the outflow channel 102, the balloon 9 is clamped at a position of a circulation port 23 of the outflow channel 102 and the valve cavity 103, the lower end of the balloon 9 is fixedly provided with an arc-shaped tray 8, the lower end of the arc-shaped tray 8 is fixedly provided with a main spring 17, and the lower end of the main spring 17 is fixedly connected with the valve body 1 through a bottom plate 15; the inner side of the upper end of the upper valve cover 2 is provided with a packing groove 201, a sealing packing 11 is arranged in the packing groove 201, the upper end of the sealing packing 11 is provided with a sealing ring 12, the upper end of the upper valve cover 2 is fixedly provided with a sealing cover plate 3 through bolts, the lower end of the sealing cover plate 3 is provided with an annular groove 301 corresponding to the position of the sealing ring 12, and the upper end of the sealing ring 12 is clamped in the annular groove 301.
Through the arrangement, when the medium flows from the inflow channel 101 to the outflow channel 102, the medium can generate downward pressure on the balloon 9, the medium can normally circulate at the moment, impurities at the outflow channel 102 can not be blocked, and when the medium stops circulating, the balloon 9 is blocked at the circulation port 23 by the elasticity of the main spring 17, so that the medium can not flow backwards, and the valve core 7 is protected; the arrangement of the sealing filler 11 and the sealing ring 12 plays a role in enhancing the sealing performance between the sealing valve rod 13 and the upper valve cover 2, and can effectively prevent the medium from leaking from the position between the valve rod 13 and the upper valve cover 2.
As shown in fig. 1 to 2, the upper end of the balloon 9 is fixedly connected with the valve body 1 through an elastic rope 10; the upper end of the elastic rope 10 is fixedly provided with a clamping seat 21, the position, corresponding to the clamping seat 21, of the upper end of the valve body 1 is provided with an embedded groove 4, two ends of the embedded groove 4 are communicated with each other and are provided with a spring groove 401, the clamping seat 21 is embedded into the embedded groove 4, the spring grooves 401 are fixedly provided with auxiliary springs 20, one ends, close to the clamping seat 21, of the auxiliary springs 20 are fixedly provided with clamping blocks 19, the upper ends of one sides of the clamping blocks 19 are abutted against the lower ends of the clamping seats 21, and the elastic rope 10 penetrates through the clamping blocks 19.
Through the arrangement, when the medium has a pushing effect on the main spring 17, the elastic rope 10 can cause the bladder ball 9 to deviate, and the bladder ball 9 can be pulled back to the position of the circulation port 23 by the elastic force all the time by the elastic rope 10, so that the backflow of the medium is prevented; according to the utility model, the clamping seat 21, the auxiliary spring 20 and the clamping block 19 are arranged, so that when the elastic rope 10 is required to be installed, the elastic rope 10 can be fixed only by clamping the clamping seat 21 through the clamping block 19, the upper end of the elastic rope 10 is not required to be fixed through bolts, and the subsequent replacement and maintenance are more convenient.
As shown in fig. 3, a clamping groove 16 is formed in the valve body 1 at a position corresponding to the bottom plate 15, and the bottom plate 15 is clamped in the clamping groove 16 and fixedly connected through bolts.
With the above arrangement, the clamping groove 16 and the bottom plate 15 of the present utility model function to fix the main spring 17.
As shown in fig. 4, the upper end of the valve core 7 is provided with an insertion groove 702, and the inner side of the insertion groove 702 is communicated with a rotary groove 701; the rotating structure comprises a ferrule 6, the ferrule 6 is sleeved and fixed at the lower end of a valve rod 13, the ferrule 6 is positioned in a rotary groove 701, a plurality of inner circular grooves 602 are formed in the upper end and the lower end of the ferrule 6 at equal intervals in a surrounding mode, balls 18 are clamped in the inner circular grooves 602, and the balls 18 respectively abut against the upper end and the lower end of the rotary groove 701; the lasso 6 side encircles the equidistance and is equipped with a plurality of wheel grooves 601, all is equipped with gyro wheel 5 in the wheel groove 601, and gyro wheel 5 center runs through and is equipped with fixed column 501, and both ends respectively with corresponding wheel groove 601 fixed connection about the fixed column 501, gyro wheel 5 one side offsets with the rotary groove 701 side.
With the arrangement, the insertion groove 702 of the utility model plays a role in facilitating the insertion of the valve rod 13, and the rotary groove 701 plays a role in arranging the rotary structure; according to the utility model, the ferrule 6 is arranged, so that the valve rod 13 is fixedly connected with the valve core 7, the valve rod 13 cannot be separated from the valve core 7, and the ball 18 is arranged, so that the valve rod 13 and the valve core 7 can rotate, and when the valve rod 13 rotates to drive the valve core 7 to move up and down, the rotation of the valve core 7 can be reduced, thereby reducing the friction between the valve core 7 and the valve seat 22, playing a role in protecting the valve core 7, and further prolonging the service life of the valve core 7; according to the utility model, due to the arrangement of the roller 5, when the valve rod 13 drives the ferrule 6 to rotate, the friction force between the ferrule 6 and the valve core 7 can be effectively reduced, the valve core 7 and the ferrule 6 are protected, and the service life of the valve is further prolonged.
Working principle: when the valve is opened, the valve rod 13 is driven to rotate by rotating the hand wheel 14, and the valve rod 13 is connected with the upper valve cover 2 through threads, so that the valve rod 13 can be controlled to move up and down, when the valve rod 13 rotates, the valve rod 13 is rotated in the rotating groove 701 through the ferrule 6, so that the valve core 7 can not rotate along with the valve rod 13, friction between the valve core 7 and the valve seat 22 can be effectively reduced, the valve core 7 can be protected, the valve can be opened by moving the valve rod 13 upwards, a medium flows from the inflow channel 101 to the valve cavity 103, then downward pressing force is realized on the balloon 9 at the positions of the outflow channel 102 and the circulation port 23 of the valve cavity 103, the balloon 9 extrudes the main spring 17 to be separated from the circulation port 23, and the medium flows out through the outflow channel 102; when the valve is closed, the valve cavity 103 and the inflow channel 101 are cut off through the valve core 7, at the moment, the balloon 9 is not subjected to the thrust of medium circulation, the elastic force of the elastic rope 10 and the elastic force of the main spring 17 drive the balloon 9 to be clamped at the circulation port 23, and when the medium can flow backwards due to pressure, the impact force of the medium flowing backwards can not reach the valve core 7 due to the blocking of the balloon 9, the valve core 7 can not be damaged, and the service life of the valve core 7 can be effectively prolonged; when the elastic rope 10 is not enough in elasticity and needs to be replaced, the clamping block 19 is pushed to two sides, the clamping seat 21 can be taken out, and the elastic rope 10 is very convenient to install and detach.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. The utility model provides a but regulation stop valve of waterproof refluence, includes valve body (1), case (7) and valve rod (13), valve body (1) both ends are equipped with inflow channel (101) and outflow channel (102) respectively and rather than communicating valve pocket (103), be equipped with disk seat (22) in valve pocket (103), case (7) with disk seat (22) offset, valve body (1) upper end is equipped with upper valve cover (2) through the bolt fastening, a serial communication port, case (7) upper end pass through rotation structure with valve rod (13) lower extreme fixed connection, valve rod (13) upper end wear out upper valve cover (2) center and hand wheel (14) fixed connection, valve rod (13) with upper valve cover (2) are fixed through threaded connection, be equipped with balloon (9) in outflow channel (102), balloon (9) card is established outflow channel (102) with circulation mouth (23) department of valve pocket (103), balloon (9) lower extreme is fixed and is equipped with tray (8), lower extreme fixed with main spring (17) are fixed with between main spring (17) and main valve body (17) fixed connection.
2. The regulating stop valve capable of preventing water backflow according to claim 1, wherein the upper end of the balloon (9) is fixedly connected with the valve body (1) through an elastic rope (10).
3. The waterproof backflow regulating stop valve according to claim 2, wherein a clamping seat (21) is fixedly arranged at the upper end of the elastic rope (10), an embedded groove (4) is formed in the position, corresponding to the clamping seat (21), of the upper end of the valve body (1), spring grooves (401) are formed in the two ends of the embedded groove (4) in a communicated mode, the clamping seat (21) is embedded in the embedded groove (4), auxiliary springs (20) are fixedly arranged in the spring grooves (401), clamping blocks (19) are fixedly arranged at one ends, close to the clamping seats (21), of the auxiliary springs (20), one side upper ends of the clamping blocks (19) are abutted to the lower ends of the clamping seats (21), and the elastic rope (10) penetrates through the clamping blocks (19).
4. The waterproof backflow-regulating stop valve according to claim 3, wherein a clamping groove (16) is formed in the valve body (1) at a position corresponding to the bottom plate (15), and the bottom plate (15) is clamped in the clamping groove (16) and fixedly connected through a bolt.
5. The regulating stop valve capable of preventing water backflow according to claim 1, wherein an insertion groove (702) is formed in the upper end of the valve core (7), and a rotary groove (701) is formed in the inner side of the insertion groove (702) in a communicating manner.
6. The waterproof backflow regulating stop valve according to claim 5, wherein the rotating structure comprises a ferrule (6), the ferrule (6) is sleeved and fixed at the lower end of the valve rod (13), the ferrule (6) is located in the rotary groove (701), a plurality of inner circular grooves (602) are formed in the upper end and the lower end of the ferrule (6) at equal intervals, balls (18) are arranged in the inner circular grooves (602) in a clamped mode, and the balls (18) respectively abut against the upper end and the lower end of the rotary groove (701).
7. The waterproof backflow regulating stop valve according to claim 6, wherein a plurality of wheel grooves (601) are formed in the side edge of the ferrule (6) in a surrounding and equidistant mode, rollers (5) are arranged in the wheel grooves (601), fixing columns (501) are arranged in the centers of the rollers (5) in a penetrating mode, the upper end and the lower end of each fixing column (501) are fixedly connected with the corresponding wheel groove (601) respectively, and one side of each roller (5) abuts against the side edge of the corresponding rotary groove (701).
8. The waterproof backflow regulating stop valve according to claim 1, wherein a packing groove (201) is formed in the inner side of the upper end of the upper valve cover (2), sealing packing (11) is arranged in the packing groove (201), a sealing ring (12) is arranged at the upper end of the sealing packing (11), a sealing cover plate (3) is fixedly arranged at the upper end of the upper valve cover (2) through bolts, an annular groove (301) is formed in the lower end of the sealing cover plate (3) corresponding to the sealing ring (12), and the upper end of the sealing ring (12) is clamped in the annular groove (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321027759.XU CN219866285U (en) | 2023-05-04 | 2023-05-04 | Waterproof and backflow-preventing regulating stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321027759.XU CN219866285U (en) | 2023-05-04 | 2023-05-04 | Waterproof and backflow-preventing regulating stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866285U true CN219866285U (en) | 2023-10-20 |
Family
ID=88323315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321027759.XU Active CN219866285U (en) | 2023-05-04 | 2023-05-04 | Waterproof and backflow-preventing regulating stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866285U (en) |
-
2023
- 2023-05-04 CN CN202321027759.XU patent/CN219866285U/en active Active
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