CN222596777U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN222596777U CN222596777U CN202421394777.6U CN202421394777U CN222596777U CN 222596777 U CN222596777 U CN 222596777U CN 202421394777 U CN202421394777 U CN 202421394777U CN 222596777 U CN222596777 U CN 222596777U
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- Prior art keywords
- valve
- locking
- matching feature
- valve rod
- linkage
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Abstract
本实用新型公开了一种截止阀，包括：阀体，设置为供介质通过；阀盖，设置为盖设于所述阀体安装口；阀杆，安装于阀盖且一端延伸进阀体；阀瓣，设置于所述阀体内并连接于阀杆；手轮，转动设置于阀盖且连接阀杆去驱动阀杆沿轴线往复运动；防转组件，设置为用于限制运动中所述阀杆的周向转动；锁定组件，设置为具有第一配合特征与第二配合特征，所述第一配合特征设置于阀盖、第二配合特征设置于阀杆并随阀杆运动，且第一配合特征配合第二配合特征用于限制阀杆运动；控制机构，设置为用于控制第一配合特征与第二配合特征两者是否构成配合。本实用新型具有以下优点和效果：本实用新型能避免误操作，以此来提升阀门的控制安全性，适配严苛的工况环境。
The utility model discloses a stop valve, including: a valve body, which is configured to allow medium to pass through; a valve cover, which is configured to cover the valve body installation port; a valve stem, which is installed on the valve cover and one end of which extends into the valve body; a valve flap, which is arranged in the valve body and connected to the valve stem; a hand wheel, which is rotatably arranged on the valve cover and connected to the valve stem to drive the valve stem to reciprocate along the axis; an anti-rotation component, which is configured to limit the circumferential rotation of the valve stem during movement; a locking component, which is configured to have a first matching feature and a second matching feature, wherein the first matching feature is arranged on the valve cover, the second matching feature is arranged on the valve stem and moves with the valve stem, and the first matching feature matches the second matching feature to limit the movement of the valve stem; a control mechanism, which is configured to control whether the first matching feature and the second matching feature form a match. The utility model has the following advantages and effects: The utility model can avoid misoperation, thereby improving the control safety of the valve and adapting to harsh working conditions.
Description
Technical Field
The utility model relates to a valve, in particular to a stop valve.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak. When a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of the valve rod and the filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is in a bending fault.
The application field and the application working condition of the stop valve are very wide, and in a plurality of severe pipeline systems, severe control requirements are provided for the control state of the valve. In order to prevent misoperation of other people, the valves used in the pipeline system are all required to be provided with locking structures, namely, after a worker adjusts the control state of the valve, the valve is locked through the locking structures on the valve, so that misoperation caused by accidental triggering of irrelevant people is avoided. The existing stop valves with locking structures in the market are various in variety, and in order to avoid the existing stop valve locking structures, the invention is inoculated.
Disclosure of utility model
The utility model aims to provide a stop valve which can avoid misoperation, so that the control safety of the valve is improved, and the stop valve is suitable for severe working condition environments.
The technical aim of the utility model is achieved through the following technical scheme that the stop valve comprises a valve body, a valve cover, a valve rod, a valve clack, a hand wheel, an anti-rotation assembly and a locking assembly, wherein the valve body is used for allowing media to pass through, the valve cover is arranged to cover a valve body mounting opening, the valve rod is arranged on the valve cover, one end of the valve rod extends into the valve body, the valve clack is arranged in the valve body and is connected with the valve rod, the hand wheel is rotatably arranged on the valve cover and is connected with the valve rod to drive the valve rod to reciprocate along an axis, the anti-rotation assembly is used for limiting circumferential rotation of the valve rod in movement, the locking assembly is provided with a first matching feature and a second matching feature, the first matching feature is arranged on the valve cover, the second matching feature is arranged on the valve rod and moves along with the valve rod, the first matching feature is used for limiting the movement of the valve rod, and the control mechanism is arranged for controlling whether the first matching feature and the second matching feature are matched.
Through adopting above-mentioned technical scheme, control mechanism control first cooperation characteristic makes both not constitute the cooperation with second cooperation characteristic, can control the hand wheel like this and remove the aperture of adjusting the valve through the valve rod, after adjusting the valve to required aperture, constitute the cooperation through control mechanism control first cooperation characteristic and second cooperation characteristic both and realize the locking to the valve rod, just so avoided the unexpected maloperation problem that leads to of triggering the hand wheel of irrelevant personnel, also can avoid the valve to lead to because of the loose problem of aperture of vibration. Therefore, the control safety of the valve is improved, and the valve is adapted to a severe working condition environment. And the rotation of the valve rod in the operation process is avoided through the anti-rotation component, so that the reliability of the structure is ensured.
The control mechanism further comprises a stirring assembly and a linkage assembly which is used for forming linkage between the stirring assembly and the locking assembly, the stirring assembly is provided with a first locking state and a second locking state, when the stirring assembly is in the first locking state, the valve rod is in the locking state, and when the stirring assembly is in the second locking state, the valve rod is in a movable free state.
Through adopting above-mentioned technical scheme, stir the subassembly and have two locking state, constitute the linkage with the locking subassembly at the linkage subassembly that the cooperation set up for control mechanism's control is more convenient.
The valve rod is further provided with a locking seat fixedly arranged on the valve rod, the first matching characteristic is a fixed locking rack fixedly arranged on the valve cover and extending along the axis of the valve rod, the second matching characteristic is a movable locking tooth movably arranged on the locking seat, and the movable locking tooth moves back and forth towards the fixed locking rack and moves along with the valve rod.
By adopting the technical scheme, the movable lock tooth and the locking seat move along the axis of the valve rod along with the valve rod, and after the valve rod is adjusted to a required position, the movable lock tooth is driven to move towards the fixed lock rack, and the movable lock tooth and the locking seat are meshed to form the locking of the valve.
The toggle assembly is further arranged to comprise a toggle block arranged on the locking seat in a sliding manner, a locking claw rotationally arranged on the toggle block and moving along with the toggle block, a torsion spring arranged on the locking seat corresponding to the movement path of the locking claw and used for enabling the locking claw to be embedded into the first locking groove and the second locking groove and driving the locking claw to rotate towards one sides of the first locking groove and the second locking groove.
By adopting the technical scheme, the shifting block is shifted to enable the locking claw moving along with the shifting block to be embedded into the first locking groove or the second locking groove, so that the locking control purpose is achieved.
The linkage assembly further comprises a return spring for driving the movable lock teeth to move away from the fixed lock racks, a first linkage protrusion formed at one end of the movable lock teeth away from the fixed lock racks, and a second linkage protrusion formed on one side of the shifting block and corresponding to the first linkage protrusion, wherein when the second linkage protrusion abuts against the first linkage protrusion, the movable lock teeth are meshed with the fixed lock racks.
By adopting the technical scheme, when the first linkage bulge is not propped against the second linkage bulge, the movable lock tooth is separated from the fixed lock rack, and the lock claw is embedded into the first lock groove or the second lock groove, and when the first linkage bulge is propped against the second linkage bulge, the movable lock tooth is meshed with the fixed lock rack, and the lock claw is embedded into the first lock groove or the second lock groove, so that the linkage control purpose is formed.
The travel indication label is arranged on one side of the fixed lock rack, and a travel pointer matched with the travel indication label is fixedly arranged on the lock seat.
Through adopting above-mentioned technical scheme, this kind of setting makes the staff when carrying out locking operation, and sight can direct observation stroke pointer indicates the position on the stroke indication sign, and the convenience is to the real-time record of the state that the valve is located, makes daily maintenance record operation more convenient, need not to increase because of the unnecessary action that the record leads to.
The anti-rotation assembly is further arranged to comprise an anti-rotation protrusion fixedly arranged on the outer peripheral wall of the valve rod and an anti-rotation travel groove which is arranged on the valve body and is used for embedding the anti-rotation protrusion.
By adopting the technical scheme, the anti-rotation protrusion moves in the anti-rotation travel groove along with the valve rod, so that the anti-rotation purpose of the valve rod is achieved.
In summary, the utility model has the advantages that misoperation can be avoided, so that the control safety of the valve is improved, and the valve is adapted to a severe working condition environment.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
Fig. 3 is an enlarged view of a portion B in fig. 1.
The valve comprises a valve body, a valve cover, a valve rod, a valve clack, a hand wheel, a rotation preventing assembly, a rotation preventing protrusion, a rotation preventing groove, a locking assembly, a fixed lock rack, a movable lock tooth, a control mechanism, a shifting block, a locking claw, a first locking groove, a second locking groove, a return spring, a first linkage protrusion, a second linkage protrusion, a locking seat, a second locking protrusion, a locking seat, a stroke indicating label, a stroke indicator and a stroke pointer.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a shut-off valve comprises a valve body 1 configured to pass a medium, a valve cap 2 fixedly covered on a mounting opening of the valve body 1, a valve rod 3 mounted on the valve cap 2 and having one end extending into the valve body 1, a valve clack 4 disposed in the valve body 1 and connected to the valve rod 3, a hand wheel 5 rotatably disposed on the valve cap 2 and screwed with the valve rod 3 to drive the valve rod 3 to reciprocate along an axis, an anti-rotation assembly 6 configured to limit a circumference Xiang Zhuaidong of the valve rod 3 in motion, and a locking assembly 7 configured to have a first engagement feature disposed on the valve cap 2, a second engagement feature disposed on the valve rod 3 and moving with the valve rod 3, the first engagement feature being engaged with the second engagement feature to limit the movement of the valve rod 3, and a control mechanism 8 configured to control whether the first engagement feature and the second engagement feature are engaged.
The control mechanism 8 comprises a stirring assembly and a linkage assembly which is used for forming linkage between the stirring assembly and the locking assembly 7, wherein the stirring assembly is provided with a first locking state and a second locking state, when the stirring assembly is in the first locking state, the valve rod 3 is in the locking state, and when the stirring assembly is in the second locking state, the valve rod 3 is in a movable free state. Including fixed setting up in the locking seat 9 of valve rod 3, control mechanism 8 sets up in locking seat 9, and first cooperation characteristic is fixed setting up in valve gap 2 and along the fixed lock rack 71 of valve rod 3 axis extension, and the second cooperation characteristic is the slip and sets up in the movable lock tooth 72 of locking seat 9, and movable lock tooth 72 level is reciprocating motion and follow valve rod 3 towards fixed lock rack 71.
The toggle assembly comprises a toggle block 83 vertically arranged on the locking seat 9 in a sliding manner, a locking claw 84 arranged on the toggle block 83 in a rotating manner through a rotating shaft, a torsion spring arranged on the locking seat 9 corresponding to a movement path of the locking claw 84 and used for enabling the locking claw 84 to be embedded into the first locking groove 85 and the second locking groove 86, and driving the locking claw 84 to rotate towards one sides of the first locking groove 85 and the second locking groove 86. The torsion spring is sleeved on the rotating shaft, and one end of the torsion spring is fixedly connected with the locking claw 84 the other end is fixedly connected with the locking seat 9.
The linkage assembly comprises a return spring 87 for driving the movable lock tooth 72 to move opposite to the fixed lock rack 71, a first linkage protrusion 88 integrally formed at one end of the movable lock tooth 72 opposite to the fixed lock rack 71, and a second linkage protrusion 89 integrally formed at one side of the shifting block 83 corresponding to the first linkage protrusion 88. When the second interlocking projection 89 abuts against the first interlocking projection 88, the movable lock tooth 72 is engaged with the fixed lock rack 71. One end of the return spring 87 is fixedly connected with the movable lock tooth 72, and the other end is fixedly connected with the locking seat 9.
A travel indication label 10 is fixedly arranged on one side of the fixed lock rack 71, and a travel pointer 11 matched with the travel indication label 10 is fixedly arranged on the outer wall of the locking seat 9. The anti-rotation component 6 comprises an anti-rotation protrusion 61 integrally arranged on the peripheral wall of the valve rod 3 and an anti-rotation travel groove 62 which is arranged on the valve body 1 and is embedded by the anti-rotation protrusion 61, and the length direction of the anti-rotation travel groove 62 is parallel to the axis of the valve rod 3.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (7)
1. A stop valve is characterized by comprising a valve body (1) arranged for passing media, a valve cover (2) arranged to cover a mounting opening of the valve body (1), a valve rod (3) arranged in the valve cover (2) and one end of which extends into the valve body (1), a valve clack (4) arranged in the valve body (1) and connected with the valve rod (3), a hand wheel (5) rotatably arranged in the valve cover (2) and connected with the valve rod (3) to drive the valve rod (3) to reciprocate along an axis, an anti-rotation component (6) arranged for limiting circumferential rotation of the valve rod (3) in motion, and a locking component (7) provided with a first matching feature and a second matching feature, wherein the first matching feature is arranged on the valve cover (2), the second matching feature is arranged on the valve rod (3) and moves along with the valve rod (3), the first matching feature is used for limiting the movement of the valve rod (3), and a control mechanism (8) is arranged for controlling whether the first matching feature and the second matching feature form a matching.
2. The shut-off valve according to claim 1, characterized in that the control mechanism (8) comprises a toggle assembly and a linkage assembly forming a linkage between the toggle assembly and the locking assembly (7), the toggle assembly having a first locking state and a second locking state, the valve stem (3) being in a locking state when the toggle assembly is in the first locking state, and the valve stem (3) being in a movable free state when the toggle assembly is in the second locking state.
3. The shut-off valve according to claim 2, comprising a locking seat (9) fixedly arranged on the valve stem (3), wherein the first mating feature is a fixed locking rack (71) fixedly arranged on the valve cover (2) and extending along the axis of the valve stem (3), and the second mating feature is a movable locking tooth (72) movably arranged on the locking seat (9), and wherein the movable locking tooth (72) reciprocates towards the fixed locking rack (71) and moves with the valve stem (3).
4. The stop valve of claim 2, wherein the toggle assembly comprises a toggle block (83) slidably arranged on the locking seat (9), a locking claw (84) rotatably arranged on the toggle block (83) and moving along with the toggle block (83), and a torsion spring arranged on the locking seat (9) corresponding to a moving path of the locking claw (84) and used for embedding the locking claw (84) into the first locking groove (85) and the second locking groove (86) and driving the locking claw (84) to rotate towards one side of the first locking groove (85) and one side of the second locking groove (86).
5. The stop valve of claim 4, wherein the linkage assembly comprises a return spring (87) for driving the movable lock teeth (72) to move opposite to the fixed lock rack (71), a first linkage protrusion (88) formed at one end of the movable lock teeth (72) opposite to the fixed lock rack (71), and a second linkage protrusion (89) formed at one side of the shifting block (83) corresponding to the first linkage protrusion (88), wherein the movable lock teeth (72) are meshed with the fixed lock rack (71) when the second linkage protrusion (89) abuts against the first linkage protrusion (88).
6. A shut-off valve according to claim 3, wherein a travel indicator plate (10) is provided on one side of the stationary lock rack (71), and a travel pointer (11) for engaging the travel indicator plate (10) is fixedly provided on the lock housing (9).
7. The stop valve according to claim 1, wherein the anti-rotation component (6) comprises an anti-rotation protrusion (61) fixedly arranged on the outer peripheral wall of the valve rod (3) and an anti-rotation travel groove (62) which is arranged on the valve body (1) and is used for embedding the anti-rotation protrusion (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421394777.6U CN222596777U (en) | 2024-06-18 | 2024-06-18 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421394777.6U CN222596777U (en) | 2024-06-18 | 2024-06-18 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222596777U true CN222596777U (en) | 2025-03-11 |
Family
ID=94850561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421394777.6U Active CN222596777U (en) | 2024-06-18 | 2024-06-18 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222596777U (en) |
-
2024
- 2024-06-18 CN CN202421394777.6U patent/CN222596777U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |