CN114811121A - Swing type internal thread check valve - Google Patents
Swing type internal thread check valve Download PDFInfo
- Publication number
- CN114811121A CN114811121A CN202210525996.2A CN202210525996A CN114811121A CN 114811121 A CN114811121 A CN 114811121A CN 202210525996 A CN202210525996 A CN 202210525996A CN 114811121 A CN114811121 A CN 114811121A
- Authority
- CN
- China
- Prior art keywords
- valve
- cam
- limiting block
- check valve
- swing type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
- F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
- F16K31/52441—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve with a pivoted disc or flap
Abstract
The invention discloses a swing type internal thread check valve which comprises a valve body, a valve cover, a valve cavity formed in the valve body, a valve clack arranged in the valve cavity and a valve seat arranged in the valve cavity and matched and sealed with the valve clack, wherein an installation rail arranged in the valve cavity is arranged on the valve cover, a top block is arranged in the installation rail in a sliding mode, a linkage piece for forming linkage of the top block and the valve clack is arranged between the top block and the valve clack, a limiting block is arranged in the installation rail in a sliding mode, a control assembly for controlling the limiting block to slide is arranged on the valve cover, elastic barbs hung on the limiting block in the sliding process are arranged on two sides of the top block, and a driving component for driving the elastic barbs to be separated from the limiting block in the moving process is arranged on the limiting block. The invention has the following advantages and effects: the invention can simultaneously adjust the opening degree of the valve clack and whether the valve clack needs to be positioned after being opened only by the screw rod, and the operation is very convenient.
Description
Technical Field
The invention relates to the technical field of valve manufacturing, in particular to a swing type internal thread check valve.
Background
Valves are often used as fluid switches in plumbing, and some plumbing requirements ensure that fluid flows in a fixed direction. The check valve is a valve which can block the back flow of the medium by the action of the self weight and the pressure of the medium, belonging to the automatic valve. When the fluid is cut off, the check valve plate can move reversely under the action of gravity and is in tight sealing contact with the valve seat to prevent the fluid from flowing backwards.
Because the check valve is qualitatively determined to be used for fast closing in most practical use, and the valve clack and the rocker arm of the swing check valve are in rotating connection, in the process of opening the swing check valve, because the flow channel of a medium is relatively tortuous, a water hammer is usually generated in the process of medium circulation, when the water hammer impacts the valve clack, the valve clack and the rocker arm can move, in the long-time work of the check valve, if the water hammer continuously impacts the valve clack, and the connection part of the rocker arm and the valve clack is easy to loosen or even separate, so that the normal use of the check valve is seriously influenced. Because the valve clack of check valve itself also can become a resistance, when the medium discharges the high-pressure area from the low-pressure area, if the impact force of medium is less than the back pressure of valve clack, just cause the intermittent start and stop of valve clack easily to increase the wearing and tearing of valve clack and disk seat, reduce the sealing performance and the life of valve clack and disk seat.
And because the existing check valve does not have the function of adjusting the opening degree, when the flow of the medium needs to be adjusted, only the adjusting valve can be installed on the pipeline, so that the cost is increased, and the operation is more complicated. Therefore, there is a need for a swing check valve which is convenient for adjusting the opening of the check valve and can lock the valve flap during the long-term operation of the check valve.
Disclosure of Invention
The invention aims to provide a swing type internal thread check valve which can adjust the opening degree of a valve clack and can adjust whether the valve clack is locked or not.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a swing internal thread check valve, includes valve body, valve gap, is formed at the valve pocket in the valve body, installs in the valve clack of valve pocket and locates the valve pocket in with the sealed disk seat of valve clack cooperation, be equipped with an installation rail that is located the valve pocket on the valve gap, it is equipped with a kicking block to slide in the installation rail, be equipped with the linkage piece that constitutes both linkages between kicking block and the valve clack, it is provided with the stopper to slide in the installation rail, be equipped with the gliding control assembly of control stopper on the valve gap, the kicking block both sides are equipped with articulates the elasticity barb on the stopper at the slip in-process, be equipped with on the stopper and be used for driving the drive component that the elasticity barb breaks away from the stopper in the motion process.
By adopting the technical scheme, the linkage between the valve clack and the top block is formed by the linkage piece, so that the valve clack controls the top block to slide in the mounting rail in the opening and closing processes, the limiting block can be used for limiting the movable stroke of the top block, when the valve clack is opened to drive the top block to slide to abut against the limiting block, the limiting block limits the top block to continue sliding towards the limiting block, the valve clack is in the maximum opening degree at the moment, the position of the limiting block can be adjusted through the control assembly to adjust the maximum opening degree of the valve clack, the elastic barb can be hung on the limiting block when the top block slides to abut against the limiting block, so that the top block is limited to slide to position the valve clack, when the top block is required to be separated from the limiting block, the limiting block is driven to move by the control assembly to separate the elastic barb from the limiting block, and the valve clack can be prevented from continuously impacting a valve body after being positioned, the service lives of the valve clack and the valve are greatly prolonged, the maximum opening degree can be adjusted and whether the valve clack is positioned or not can be adjusted only through the valve rod, and the operation is very convenient.
Further setting the following steps: the linkage piece comprises a push rod with one end hinged to the valve clack, and the other end of the push rod is hinged to the ejector block.
Through adopting above-mentioned technical scheme, when the valve clack is in the opening in-process, the push rod promotes the kicking block and upwards slides in the installation rail, makes when the valve clack is in the closing in-process, and the push rod pulling kicking block slides downwards in the installation rail.
Further setting the following steps: the control assembly comprises a screw rod which is arranged on the valve cover in a sealing and rotating mode and is located in the installation rail, the screw rod extends out of the valve cover and is connected with a hand wheel, and the screw rod is in threaded connection with the limiting block.
By adopting the technical scheme, the screw rod is in threaded connection with the limiting block, and the limiting block is in sliding connection with the mounting rail, so that when the screw rod is controlled to rotate by the hand wheel, the limiting block slides in the mounting rail.
Further setting the following steps: the driving member comprises a cam which is rotatably arranged on the limiting block and moves along with the limiting block and a linkage assembly which is arranged between the cam and the mounting rail and used for controlling the rotation of the cam, the rotation of the cam comprises a driving stroke and an invalid stroke, the cam is switched between the driving stroke and the invalid stroke, and the driving stroke is used for driving the elastic barb to be spread so as to separate the elastic barb from the limiting block.
By adopting the technical scheme, as the limiting block is connected with the mounting rail in a sliding way, the cam is rotationally arranged on the limiting block, and the linkage assembly which is arranged between the cam and the mounting rail and is used for controlling the rotation of the cam is arranged between the cam and the mounting rail, when the limiting block is controlled by the screw rod to slide, the linkage assembly controls the cam to rotate on the limiting block, and then as the rotation of the cam comprises a driving stroke and an invalid stroke, when the cam rotates to the driving stroke, the cam drives the elastic barb to be spread out so that the elastic barb is separated from the limiting block, through the arrangement, when the limiting block is controlled by the screw rod to move so that the cam is in the invalid stroke, the elastic barb can be hung on the limiting block, so that the valve clack is fixed on the maximum opening degree, at the moment, the limiting block plays a role in adjusting the opening degree and fixing on the valve clack, and when the limiting block is controlled by the screw rod to move so that the cam is in the driving stroke, the cam can strut the elastic barb to enable the elastic barb to be not hung on the limiting block, the limiting block only plays a role in adjusting the maximum opening degree of the valve clack at the moment, and the valve clack has a non-return function.
Further setting the following steps: the linkage assembly comprises a guide groove formed on the mounting rail and a driving rod arranged on the cam, positioned in the guide groove and matched with the guide groove to form rotation of the cam.
Through adopting above-mentioned technical scheme, when screw rod control stopper slides and drives the actuating lever at the guiding groove internal motion, the guiding groove guide cam rotates.
Further setting the following steps: the guide groove is wavy and extends along the axial direction of the screw, and the guide groove guides the cam to switch between a driving stroke and an invalid stroke in a reciprocating mode.
By adopting the technical scheme, through the wavy arrangement, when the driving rod moves in the guide groove, the guide groove guides the convex block to rotate in a reciprocating manner, so that the cam is switched between the driving stroke and the invalid stroke in a reciprocating manner.
Further setting the following steps: comprises a slot formed on one side of the mounting rail and used for a push rod to pass through in the opening and closing process of the valve clack.
Through adopting above-mentioned technical scheme, the fluting can make the valve clack at the in-process of opening, supplies the push rod to get into, prevents that the push rod from striking installation rail.
Further setting the following steps: one side of the valve body is connected with a filter pipe, a filter screen is arranged in the filter pipe, the other end of the filter pipe is connected with a telescopic pipe through a nut, the other end of the telescopic pipe is connected with a butt joint pipe in a sealing and sliding mode, and a sliding groove for the telescopic pipe to enter is formed in the butt joint pipe.
Through adopting above-mentioned technical scheme, can filter the impurity in the medium through the filter screen, prevent directly to erode disk seat, valve clack, and reduce its sealing performance, and through the flexible pipe that the nut is connected, only need unscrew the nut when needing to change the filter screen, with flexible pipe shrink advance in the spout can, the operation is very convenient to be convenient for clean filtering conduit.
Further setting as follows: and a plurality of sealing rings are arranged between the extension pipe and the butt joint pipe.
By adopting the technical scheme, the sealing performance between the telescopic pipe and the butt joint pipe is improved, and the leakage of the medium is prevented.
In conclusion, the invention has the following beneficial effects: the opening degree of the valve clack and whether the valve clack needs to be positioned after being opened can be adjusted simultaneously only through the screw rod, and the operation is very convenient.
Drawings
FIG. 1 is a schematic view of a valve closed state according to an embodiment;
FIG. 2 is a schematic diagram of an open state of the valve according to the embodiment;
FIG. 3 is a cross-sectional view taken at C-C of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is a schematic diagram illustrating an internal structure of the movable rail according to the embodiment;
fig. 6 is an exploded view of the internal structure of the movable rail according to the embodiment.
In the figure: 1. a valve body; 2. a valve cover; 3. a valve cavity; 4. a valve flap; 5. a valve seat; 6. mounting a rail; 7. a top block; 8. a push rod; 9. a limiting block; 10. elastic barbs; 11. a screw; 12. a hand wheel; 13. a cam; 14. a guide groove; 15. a drive rod; 16. grooving; 17. a filter tube; 18. a filter screen; 19. a telescopic pipe; 20. butt-joint pipes; 21. a chute; 22. and (5) sealing rings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, a swing type internal thread check valve, which comprises a valve body 1, a valve cover 2, a valve cavity 3 formed in the valve body 1, a valve clack 4 installed in the valve cavity 3, and a valve seat 5 arranged in the valve cavity 3 and matched and sealed with the valve clack 4, wherein an installation rail 6 located in the valve cavity 3 is arranged on the valve cover 2, a top block 7 is arranged in the installation rail 6 in a sliding manner, a linkage piece forming linkage between the top block 7 and the valve clack 4 is arranged, the linkage piece comprises a push rod 8 with one end hinged on the valve clack 4, the other end of the push rod 8 is hinged with the top block 7, a slot 16 formed in one side of the installation rail 6 and used for the push rod 8 to pass through in the opening and closing process of the valve clack 4 is further arranged, a limit block 9 is arranged in the installation rail 6 in a sliding manner, a control assembly for controlling the sliding of the limit block 9 is arranged on the valve cover 2, elastic barbs 10 hung on the limit block 9 in the sliding process, and a driving member for driving the elastic barbs 10 to break away from the limit block 9 in the moving process is arranged on the limit block 9.
The control component comprises a screw rod 11 which is arranged on the valve cover 2 in a sealing and rotating mode and is positioned in the installation rail 6, a hand wheel 12 is connected to the screw rod 11 after the screw rod 11 extends out of the valve cover 2, the screw rod 11 is in threaded connection with the limiting block 9, the driving component comprises a cam 13 which is arranged on the limiting block 9 in a rotating mode and moves along with the limiting block 9, and a linkage component which is arranged between the cam 13 and the installation rail 6 and is used for controlling the cam 13 to rotate, the linkage component comprises a guide groove 14 formed on the installation rail 6 and a driving rod 15 which is arranged on the cam 13, is positioned in the guide groove 14 and is matched with the guide groove 14 to form the rotation of the cam 13, the rotation of the cam 13 comprises a driving stroke and an invalid stroke, the cam 13 is switched between the driving stroke and the invalid stroke, the driving stroke is used for driving the elastic barb 10 to be opened so that the elastic barb 10 is separated from the limiting block 9, and the guide groove 14 is wavy and extends along the axial direction of the screw rod 11, the guide groove 14 guides the cam 13 to be reciprocally switched between the drive stroke and the lost motion stroke.
One side of the valve body 1 is connected with a filter pipe 17, a filter screen 18 is arranged in the filter pipe 17, the other end of the filter pipe 17 is connected with an extension pipe 19 through a nut, the other end of the extension pipe 19 is connected with a butt joint pipe 20 in a sealing and sliding manner, a sliding groove 21 for the extension pipe 19 to enter is formed in the butt joint pipe 20, and a plurality of sealing rings 22 are arranged between the extension pipe 19 and the butt joint pipe 20.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a swing type internal thread check valve, includes valve body (1), valve gap (2), forms valve pocket (3) in valve body (1), installs valve clack (4) in valve pocket (3) and locates valve pocket (3) in with valve clack (4) cooperation sealed disk seat (5), its characterized in that: be equipped with an installation rail (6) that is located valve pocket (3) on valve gap (2), it is equipped with a kicking block (7) to slide in installation rail (6), be equipped with the linkage piece that constitutes both linkages between kicking block (7) and valve clack (4), it is provided with stopper (9) to slide in installation rail (6), be equipped with the gliding control assembly of control stopper (9) on valve gap (2), kicking block (7) both sides are equipped with articulate elasticity barb (10) on stopper (9) at the slip in-process, be equipped with the driving member who is used for driving elasticity barb (10) to break away from stopper (9) in the motion process on stopper (9).
2. The swing type internally threaded check valve according to claim 1, wherein: the linkage piece comprises a push rod (8) with one end hinged to the valve clack (4), and the other end of the push rod (8) is hinged to the ejector block (7).
3. The swing type internally threaded check valve according to claim 1, wherein: the control assembly comprises a screw rod (11) which is arranged on the valve cover (2) in a sealing and rotating mode and is located in the installation rail (6), the screw rod (11) extends out of the valve cover (2) and then is connected with a hand wheel (12), and the screw rod (11) is in threaded connection with the limiting block (9).
4. The swing type internally threaded check valve according to claim 3, wherein: the driving member comprises a cam (13) which is rotatably arranged on the limiting block (9) and moves along with the limiting block (9) and a linkage assembly which is arranged between the cam (13) and the mounting rail (6) and used for controlling the rotation of the cam (13), the rotation of the cam (13) comprises a driving stroke and an invalid stroke, the cam (13) is switched between the driving stroke and the invalid stroke, and the driving stroke is used for driving the elastic barb (10) to be spread so that the elastic barb (10) is separated from the limiting block (9).
5. The swing type internally threaded check valve according to claim 4, wherein: the linkage assembly comprises a guide groove (14) formed on the mounting rail (6) and a driving rod (15) which is arranged on the cam (13), is positioned in the guide groove (14) and is matched with the guide groove (14) to form rotation of the cam (13).
6. The swing type internally threaded check valve according to claim 5, wherein: the guide groove (14) is wavy and extends along the axial direction of the screw (11), and the guide groove (14) guides the cam (13) to switch between a driving stroke and an invalid stroke in a reciprocating manner.
7. The swing type internally threaded check valve according to claim 1, wherein: comprises a slot (16) which is formed on one side of the mounting rail (6) and is used for a push rod (8) to pass through in the opening and closing process of the valve clack (4).
8. The swing type internally threaded check valve according to claim 1, wherein: one side of valve body (1) is connected with filter tube (17), be equipped with filter screen (18) in filter tube (17), the filter tube (17) other end is connected with flexible pipe (19) through the nut, flexible pipe (19) other end sealing sliding connection has butt joint pipe (20), it supplies spout (21) that flexible pipe (19) got into to open in butt joint pipe (20).
9. The swing internally threaded check valve of claim 8, wherein: a plurality of sealing rings (22) are arranged between the extension pipe (19) and the butt joint pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525996.2A CN114811121A (en) | 2022-05-16 | 2022-05-16 | Swing type internal thread check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525996.2A CN114811121A (en) | 2022-05-16 | 2022-05-16 | Swing type internal thread check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114811121A true CN114811121A (en) | 2022-07-29 |
Family
ID=82514927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210525996.2A Pending CN114811121A (en) | 2022-05-16 | 2022-05-16 | Swing type internal thread check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114811121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515171A (en) * | 2024-01-08 | 2024-02-06 | 泰州市吉远船用附件有限公司 | Marine valve with good sealing effect |
-
2022
- 2022-05-16 CN CN202210525996.2A patent/CN114811121A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515171A (en) * | 2024-01-08 | 2024-02-06 | 泰州市吉远船用附件有限公司 | Marine valve with good sealing effect |
| CN117515171B (en) * | 2024-01-08 | 2024-04-26 | 泰州市吉远船用附件有限公司 | Marine valve |
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