CN219866294U - Bidirectional swing check valve - Google Patents
Bidirectional swing check valve Download PDFInfo
- Publication number
- CN219866294U CN219866294U CN202320786994.9U CN202320786994U CN219866294U CN 219866294 U CN219866294 U CN 219866294U CN 202320786994 U CN202320786994 U CN 202320786994U CN 219866294 U CN219866294 U CN 219866294U
- Authority
- CN
- China
- Prior art keywords
- valve
- nut
- valve rod
- connecting block
- rocker
- 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.)
- Active
Links
Landscapes
- Check Valves (AREA)
Abstract
本实用新型涉及止回阀技术领域，具体提供了一种双向旋启式止回阀，包括阀体(1)，阀瓣(2)，摇杆(3)等，阀杆(8)底部侧面开槽，连接块(7)连接阀杆(8)和摇杆(3)，并通过连接块螺母(5)和连接块螺栓(6)固定，使摇杆跟随阀杆转动及上下移动，阀杆(8)与阀杆螺母(15)通过梯形螺纹连接实现传动，手轮(17)旋转带动阀杆螺母(15)旋转再带动阀杆(8)旋转，导向螺母(22)与阀杆(8)通过螺纹连接并放置于阀盖(9)的导向槽中，限制阀杆(8)的位移距离和方向，阀瓣(2)与摇杆(3)连接，摇杆(3)与阀杆(8)通过连接块(7)连接，实现阀杆(8)升降旋转来带动阀瓣(2)旋转升降，做到180°双向止回的效果。
The utility model relates to the technical field of check valves, and specifically provides a two-way swing check valve, which includes a valve body (1), a valve disc (2), a rocker (3), etc., and a bottom side of the valve stem (8). Slotting, the connecting block (7) connects the valve stem (8) and the rocker (3), and is fixed by the connecting block nut (5) and the connecting block bolt (6), so that the rocker follows the valve stem to rotate and move up and down, and the valve The stem (8) and the valve stem nut (15) are connected through a trapezoidal thread to realize transmission. The rotation of the handwheel (17) drives the valve stem nut (15) to rotate and then drives the valve stem (8) to rotate. The guide nut (22) and the valve stem ( 8) It is threaded and placed in the guide groove of the valve cover (9) to limit the displacement distance and direction of the valve stem (8). The valve disc (2) is connected to the rocker (3), and the rocker (3) is connected to the valve. The rod (8) is connected through the connecting block (7) to realize the lift and rotation of the valve rod (8) to drive the valve disc (2) to rotate and lift, achieving a 180° two-way non-return effect.
Description
Technical Field
The utility model relates to a check valve, in particular to a bidirectional swing check valve.
Background
The check valve is a valve with a circular valve clack and can block the backflow of a medium by means of the self weight and the medium pressure, the check valve can be divided into a lifting type valve clack and a swing type valve clack in a movement mode, the lifting type check valve is similar to a stop valve in structure, only a valve rod for driving the valve clack is lacked, the medium flows in from an inlet end (lower side) and flows out from an outlet end (upper side), when the inlet pressure is larger than the sum of the weight of the valve clack and the flow resistance of the valve clack, and conversely, the valve is closed when the medium flows back.
At present, most of check valves can only realize one-way check, pipeline media on a plurality of projects need to flow medium in the forward direction and in the reverse direction when working conditions are needed, and a check valve capable of adjusting the flow direction in the two directions is needed to prevent medium backflow.
Disclosure of Invention
The utility model aims to provide a bidirectional swing check valve, and an adjustable valve clack can be rotated and lifted along with a valve rod, so that the bidirectional swing check valve can solve the working condition requirements of the prior art that a medium is sometimes required to flow in a forward direction and a medium is sometimes required to flow in a reverse direction.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The utility model discloses a bidirectional swing check valve, which comprises a valve body, a valve clack, a rocker, a valve clack nut, a connecting block bolt, a connecting block, a valve rod, a valve cover, a movable joint bolt, a cylindrical pin, a disc spring, a nut, a rolling bearing, a valve rod nut, a fixing nut, a hand wheel, a locking nut, a guide nut, a hexagonal nut and a full-thread bolt, wherein the side surface of the bottom of the valve rod is grooved, and the connecting block is connected with the valve rod and the rocker and is fixed through the connecting block nut and the connecting block bolt, so that the rocker can rotate along with the valve rod and move up and down.
Preferably, the valve rod is sleeved with a packing assembly, and the packing assembly comprises a packing pressing plate, a packing pressing block and packing.
In any of the above technical solutions, it is preferable that the valve stem is driven by a trapezoidal threaded connection with the valve stem nut.
In any of the above technical solutions, it is preferable that the hand wheel rotates to drive the valve stem nut to rotate and then drive the valve stem to rotate.
In any of the above technical solutions, it is preferable that the guide nut is screwed with the valve rod and placed in the guide groove of the valve cover, so as to limit the displacement distance and direction of the valve rod.
In any of the above technical solutions, preferably, the valve clack is fixedly connected with the rocker through a valve clack nut, and the rocker is fixedly connected with the valve rod through a connecting block.
In any of the above technical solutions, preferably, the guide groove of the valve cover includes a lateral guide groove and a vertical guide groove.
The utility model relates to a bidirectional swing check valve which mainly comprises a valve body, a valve clack, a rocker, a connecting block, a valve rod, a valve cover, a rolling bearing, a hand wheel and a filler. Compared with the prior art, the valve rod is in transmission with the valve rod nut through trapezoidal thread connection, and the hand wheel rotates to drive the valve rod nut to rotate and then drive the valve rod to rotate; the guide nut is connected with the valve rod through threads and is placed in the guide groove of the valve cover to limit the displacement distance and direction of the valve rod; the valve clack is fixedly connected with the rocker, the rocker is fixedly connected with the valve rod through the connecting block, the valve rod can be lifted and rotated to drive the valve clack to rotate and lift, and the 180-degree bidirectional check effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a check valve according to a preferred embodiment of the two-way swing check valve of the present utility model;
FIG. 2 is a front view of the valve cover profile structure of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 3 is a right side view of the valve cover profile configuration of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 4 is a cross-sectional elevation view of a valve cover of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 5 is a right side view of a cross-sectional structure of a valve cover of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 6 is a perspective view of the valve cover profile of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 7 is an elevation view of the connection block structure of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 8 is a right side view of the connection block structure of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 9 is a top view of the connection block structure of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 10 is a perspective view of the connection block structure of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 11 is a schematic view of a guide nut of a preferred embodiment of a two-way swing check valve according to the present utility model;
FIG. 12 is a front view of the valve stem structure of a preferred embodiment of a two-way swing check valve in accordance with the present utility model;
FIG. 13 is a top view of the valve stem structure of a preferred embodiment of a two-way swing check valve in accordance with the present utility model.
Reference numerals: valve body 1, valve clack 2, rocker 3, valve clack nut 4, connecting block nut 5, connecting block bolt 6, connecting block 7, valve rod 8, valve gap 9, movable joint bolt 10, cylindric lock 11, disc spring 12, nut 13, antifriction bearing 14, valve rod nut 15, fixation nut 16, hand wheel 17, lock nut 18, packing clamp plate 19, packing briquetting 20, packing 21, guide nut 22, hexagonal nut 23, full thread bolt 24, the guide way, horizontal guide way 26, vertical guide way 27.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The scope of the utility model is not limited by the specific embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the problems in the prior art that a forward medium is sometimes required, and a reverse medium is sometimes required, the embodiment of the utility model provides a bidirectional swing check valve, and an adjustable valve clack can be lifted along with the rotation of a valve rod, so that the technical effect of 180-degree bidirectional check can be realized.
The structure, technical features and application form of the check valve of the present embodiment are described below with reference to fig. 1 to 13.
The bidirectional swing check valve in this embodiment, as shown in fig. 1, includes a valve body 1, a valve clack 2, a rocker 3, a valve clack nut 4, a connecting block bolt 6, a connecting block 7, a valve rod 8, a valve cover 9, a movable joint bolt 10, a cylindrical pin 11, a disc spring 12, a nut 13, a rolling bearing 14, a valve rod nut 15, a fixing nut 16, a hand wheel 17, a locking nut 18, a guide nut 22, a hexagonal nut 23, a full thread bolt 24 and a guide groove 25. The check valve is characterized in that a side face of the bottom of a valve rod 8 is grooved, a connecting block 7 is connected with the valve rod 8 and the rocker 3 and is fixed through a connecting block nut 5 and a connecting block bolt 6, so that the rocker 3 can rotate and move up and down along with the valve rod 8.
In this embodiment, as shown in fig. 1, a packing assembly is sleeved on the valve rod 8, and the packing assembly includes a packing pressing plate 19, a packing pressing block 20 and a packing 21.
In the present embodiment, the guide grooves of the valve cover 9 include a lateral guide groove 26 and a vertical guide groove 27. The valve cover 9 has a cross-section and a configuration of its outer shape as shown in fig. 1 to 6.
In this embodiment, as shown in fig. 1, the valve rod 8 and the valve rod nut 15 are driven by trapezoidal threaded connection. The hand wheel 17 rotates to drive the valve rod nut 15 to rotate and then drive the valve rod 8 to rotate. The guide nut 22 is screwed with the valve rod 8 and placed in a guide groove of the valve cap 9 to limit the displacement distance and direction of the valve rod 8. The guide nut 22 is constructed as shown in fig. 11, and the valve stem is constructed as shown in fig. 12 to 13.
In this embodiment, as shown in fig. 1, the valve clack 2 is fixedly connected with the rocker 3 through the valve clack nut 4, the rocker 3 is fixedly connected with the valve rod 8 through the connecting block 7, and the valve rod 8 can be lifted and rotated to drive the valve clack 2 to rotate and lift, so that the 180-degree bidirectional check effect is achieved. The structure of the connection block is shown in fig. 7 to 10.
As described above, this embodiment is a two-way swing check valve, in which the side surface of the bottom of the valve rod is grooved, the connecting block connects the valve rod and the rocker, and the rocker can rotate and move up and down along with the valve rod by fixing the connecting block through the connecting block nut and the connecting block bolt. The valve rod is connected with the valve rod nut through trapezoidal threads to realize transmission, and the hand wheel rotates to drive the valve rod nut to rotate and then drive the valve rod to rotate. The guide nut is connected with the valve rod through threads and is placed in the guide groove of the valve cover to limit the displacement distance and direction of the valve rod. The valve clack is fixedly connected with the rocker, the rocker is fixedly connected with the valve rod through the connecting block, the valve rod can be lifted and rotated to drive the valve clack to rotate and lift, and the 180-degree bidirectional check effect is achieved. The check valve of this structure, at the during operation, the valve rod drives the valve rod nut rotation through the rotation of hand wheel and drives the valve rod rotation again, and the direction nut that is located the valve gap guide way that is connected through the valve rod restricts the valve rod and is lifting motion or turn to the motion, and when the direction nut is located vertical spacing inslot, because the valve rod can't rotate, the valve rod can only be lifting motion this moment to drive the valve clack upwards to promote in order to break away from sealed face, so that follow-up can realize the rotation of valve clack and turn to. When the guide nut of the valve rod moves upwards to reach the lateral limiting groove, the valve rod can only rotate at the moment because the anti-rotation left and right are lost and the upward movement cannot be continued, so that the valve clack is driven to rotate, and the opening and closing direction of the valve is enabled to rotate.
The implementation of reversing using the check valve of the present embodiment is further described below in conjunction with fig. 1-13:
the valve clack is in contact sealing state with left disk seat under the action of gravity, can flow forward from left to right for the medium at this moment, reverse blocking, guide nut 22 is located the vertical guide way bottom of valve gap of figure 2, anticlockwise rotation hand wheel 17 drives valve rod nut 15 rotation and drives valve rod 8 rotation again, guide nut 22 is because being located the unable left and right rotation of vertical guide way of valve gap of figure 2 thereby producing the anti-rotation effect, valve rod 8 can rise at this moment, until the top of the horizontal guide way stops up, at this moment, resume anticlockwise rotation hand wheel 17, the valve rod is because guide nut 22 is located the horizontal guide way of valve gap of figure 2, the valve rod can rotate at this moment, so can rotate 180 degrees along the horizontal guide way and accomplish the switching-over action of valve clack 2, at this moment need install guide nut 22 switching-over 180 degrees, make it be located the vertical guide way upper portion of valve gap of figure 2 again, clockwise rotation hand wheel 17 again, guide nut 22 is because being located the vertical guide way top of valve gap of figure 2, can't anticlockwise rotation, at this moment, the valve rod 8 can be down displacement knows vertical guide way bottom, the valve clack is accomplished to switch-over at this moment, the valve clack is also laminated with the valve clack gradually right disk seat in the course of displacement down, medium can flow forward blocking, the reverse blocking from left to right, the valve has realized the reverse blocking function.
The foregoing description of the preferred embodiments of the utility model is merely illustrative of the utility model and is not intended to limit the scope of the utility model; the foregoing is merely illustrative of the present utility model and is not intended to limit the scope of the present utility model; any modification, equivalent replacement, improvement or the like of the technical scheme of the present utility model by those skilled in the art should fall within the protection scope of the present utility model as defined in the claims without departing from the design spirit of the present utility model.
Claims (7)
1. The utility model provides a two-way swing check valve, includes valve body (1), valve clack (2), rocker (3), valve clack nut (4), connecting block bolt (6), connecting block (7), valve rod (8), valve gap (9), movable joint bolt (10), cylindric lock (11), dish spring (12), nut (13), antifriction bearing (14), valve rod nut (15), fixation nut (16), hand wheel (17), lock nut (18), direction nut (22), hex nut (23) and full thread bolt (24), its characterized in that: the side face of the bottom of the valve rod (8) is grooved, the connecting block (7) is connected with the valve rod (8) and the rocker (3) and is fixed through the connecting block nut (5) and the connecting block bolt (6), so that the rocker (3) can rotate and move up and down along with the valve rod (8).
2. The two-way swing check valve according to claim 1, wherein: the valve rod (8) is sleeved with a packing assembly, and the packing assembly comprises a packing pressing plate (19), a packing pressing block (20) and packing (21).
3. The two-way swing check valve according to claim 1, wherein: the valve rod (8) is connected with the valve rod nut (15) through trapezoidal threads to realize transmission.
4. The two-way swing check valve according to claim 1, wherein: the hand wheel (17) rotates to drive the valve rod nut (15) to rotate and then drive the valve rod (8) to rotate.
5. The two-way swing check valve according to claim 1, wherein: the guide nut (22) is connected with the valve rod (8) through threads and is placed in a guide groove of the valve cover (9) to limit the displacement distance and direction of the valve rod (8).
6. The two-way swing check valve according to claim 1, wherein: the valve clack (2) is fixedly connected with the rocker (3) through the valve clack nut (4), the rocker (3) is fixedly connected with the valve rod (8) through the connecting block (7), the valve rod (8) is lifted and rotated to drive the valve clack (2) to rotate and lift, and the effect of two-way check at 180 degrees is achieved.
7. The two-way swing check valve according to claim 1, wherein: the guide groove of the valve cover (9) comprises a transverse guide groove (26) and a vertical guide groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320786994.9U CN219866294U (en) | 2023-04-11 | 2023-04-11 | Bidirectional swing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320786994.9U CN219866294U (en) | 2023-04-11 | 2023-04-11 | Bidirectional swing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866294U true CN219866294U (en) | 2023-10-20 |
Family
ID=88322854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320786994.9U Active CN219866294U (en) | 2023-04-11 | 2023-04-11 | Bidirectional swing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866294U (en) |
-
2023
- 2023-04-11 CN CN202320786994.9U patent/CN219866294U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017157134A1 (en) | Flat-bottomed ball valve | |
| CN110594442A (en) | DBB forced sealing valve and operating device | |
| CN202048228U (en) | Bidirectional adjustable shrinkage cavity device for pulverizing system powder tube of coal-fired unit | |
| CN204573211U (en) | Three eccentricity seals non-return butterfly valve firmly | |
| CN201851683U (en) | Bidirectional flow pneumatic angle place valve | |
| CN204114249U (en) | Vertical non-return cut-off storm valve | |
| CN209725332U (en) | A kind of cut-off two purpose valve | |
| CN103410997B (en) | High pressure relief formula double disc parallel seat single-face hard sealing gate valve | |
| CN212226040U (en) | Gate valve | |
| CN201891854U (en) | Butterfly valve | |
| CN110848429A (en) | A shut-off dual-purpose valve | |
| CN222296980U (en) | Multistage stop valve | |
| CN203500538U (en) | Novel flat gate valve | |
| CN204878838U (en) | There is not wearing and tearing pressure boost ball valve | |
| CN221503993U (en) | Molten salt valve with low flow resistance and large flow for photo-thermal power generation | |
| CN204477396U (en) | A kind of one-way non-return control valve unit | |
| CN217634083U (en) | Back pressure balanced safety valve | |
| CN216045626U (en) | One-way valve with elastic sealing effect | |
| CN117759727A (en) | A molten salt valve with low flow resistance and large flow for photothermal power generation | |
| CN211315126U (en) | Stop valve convenient to operation | |
| CN2735109Y (en) | Check valve with improved structure | |
| CN202441928U (en) | Y-shaped multifunctional valve | |
| CN207349474U (en) | A kind of wedge action valve of stabilized seal | |
| CN108730594B (en) | Check valve of compressor | |
| CN216201085U (en) | Adjusting check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 443600 Hubei Province Yichang City Zigui County Economic Development Zone Jiantong Avenue 183.NO Patentee after: Hubei Taie Fluid Control Technology Co., Ltd. Country or region after: China Address before: 443600 Hubei Province Yichang City Zigui County Economic Development Zone Jiantong Avenue 183.NO Patentee before: HUBEI TAIHE PETROCHEMICAL EQUIPMENT Co.,Ltd. Country or region before: China |