CN220646840U - Valve capable of preventing from being opened by mistake - Google Patents
Valve capable of preventing from being opened by mistake Download PDFInfo
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- CN220646840U CN220646840U CN202321896379.XU CN202321896379U CN220646840U CN 220646840 U CN220646840 U CN 220646840U CN 202321896379 U CN202321896379 U CN 202321896379U CN 220646840 U CN220646840 U CN 220646840U
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- valve
- turntable
- rod
- clamping block
- valve rod
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- 239000012530 fluid Substances 0.000 claims abstract description 17
- 230000002265 prevention Effects 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to the technical field of valves, in particular to an anti-false-opening valve. The valve comprises a valve body, wherein connecting discs for connecting pipelines on two sides are arranged at two symmetrical ends of the valve body, a valve ball for controlling fluid flow is arranged in the valve body, the upper end of the valve ball is fixedly connected with a valve rod, the bottom of the turntable is sleeved by the valve rod, a plurality of limiting devices are arranged around the turntable and an outer ring of the valve rod, the limiting devices limit the rotation of the turntable, the turntable drives the valve rod to rotate through clamping devices, the limiting rods are inserted into round holes formed in the valve rod and the clamping rings, the upper ends of the limiting rods are inserted into protruding blocks, so that the turntable is prevented from rotating, meanwhile, a push rod slides in a cavity, when a male clamping block and a female clamping block are at the same height, the turntable is rotated, and when the male clamping block is matched with the female clamping block in a clamping mode, the limiting rods are separated from the round holes and the protruding blocks, so that the turntable drives the valve rod and the valve ball to rotate, and thus misoperation of workers is prevented, and fluid leakage inside the pipelines is caused.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an anti-false-opening valve.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc.
For the valve against false opening, there are many prior art techniques, such as:
chinese patent publication No. CN218644918U discloses an anti-false valve. An anti-false valve comprises a valve main body and a limiting part; the valve body comprises a valve body, a valve cover and a valve rod, wherein the valve rod penetrates through the valve cover and is rotationally connected with the valve cover, the limiting part comprises a connecting block connecting rod, a connecting sleeve, a handle and a clamping piece, a first limiting groove which is clamped with the handle is formed in the top of the valve cover, the connecting block is fixedly connected with the valve rod, the connecting rod penetrates through the connecting block and is rotationally connected with the valve rod, a sliding plate is fixedly arranged at the top of the connecting rod, and the sliding plate is in sliding connection with the connecting sleeve.
In actual use, the valve plate is easy to rotate because the position of the mistakenly touching handle affects the control of fluid, meanwhile, the internal liquid or gas is easy to leak, if the valve plate is not timely found to cause loss, if harmful substances are easy to cause accidents and accidents of workers, in addition, the connecting block is sleeved by the clamping piece, the valve body can be rotated by rotating the handle, however, the connecting sleeve is pressed down in the mistakenly touching process, the valve body is also driven to rotate, and accordingly the liquid or gas is leaked.
In view of this, the utility model provides an anti-false-opening valve.
Disclosure of Invention
The utility model aims to solve the defects and provide a valve for preventing false opening.
Through inserting the gag lever post in the round hole of seting up in valve rod and the snap ring, the gag lever post upper end inserts in the lug to prevent that the carousel from rotating, simultaneously, the push rod slides in the cavity, when public fixture block and female fixture block joint are joined in marriage, the gag lever post deviate from round hole and lug, just can make carousel drive valve rod and valve ball and rotate, thereby prevent staff maloperation, lead to the phenomenon that pipeline inside fluid leaked.
The utility model provides an anti-misoperation valve, which comprises a valve body, wherein connecting discs for connecting pipelines at two sides are arranged at two symmetrical ends of the valve body, a valve ball for controlling fluid flow is arranged in the valve body, the upper end of the valve ball is fixedly connected with a valve rod, the bottom of a turntable is sleeved by the valve rod, a plurality of limiting devices are arranged around the turntable and an outer ring of the valve rod, the limiting devices limit the rotation of the turntable, the turntable drives the valve rod to rotate through clamping devices, the limiting devices at least comprise limiting rods, the limiting rods are positioned in round holes formed in the connecting discs, the tops of the limiting rods are inserted into a plurality of protruding blocks formed in the outer ring at the bottom of the turntable, the upper end and the lower end of the limiting rods are respectively provided with a sliding block and a fixing block, the sliding blocks are fixedly connected with the limiting rods, and a first spring is sleeved on the limiting rods between the sliding blocks and the fixing blocks.
As a further improvement of the technical scheme, the clamping device is composed of a male clamping block and a female clamping block, the male clamping block is symmetrically distributed at the bottom of the rotary table, the female clamping block is located at the inner side of the clamping ring at the upper end of the valve rod, and the male clamping block is matched with the female clamping block in a clamping way.
As a further improvement of the technical scheme, the bottom of the rotary table is sleeved with a second spring and a push rod, the push rod is in sliding connection with the bottom of the rotary table, and the bottom of the push rod is located in a cavity formed in the valve rod.
Compared with the prior art, the utility model has the beneficial effects that:
in this prevent mistake open valve, through inserting the gag lever post in the round hole of seting up in valve rod and the snap ring, the gag lever post upper end inserts in the lug to prevent that the carousel from rotating, simultaneously, the push rod slides in the cavity, when public fixture block and female fixture block joint were joined in marriage, the gag lever post was deviate from round hole and lug, just can make the carousel drive valve rod and valve ball and rotate, thereby prevent staff maloperation, lead to the phenomenon that pipeline inside fluid leaked.
Drawings
The utility model is described in more detail below, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the valve body of the present utility model;
FIG. 3 is a schematic illustration of the structure of the rotary disk and valve stem of the present utility model;
FIG. 4 is a schematic view of a limiting device according to the present utility model;
FIG. 5 is a schematic view of a clamping device according to the present utility model;
fig. 6 is a schematic diagram of a cutaway structure of a turntable according to the present utility model.
The meaning of each reference sign in the figure is:
100. a valve body; 101. a connecting disc; 102. a turntable; 103. a valve ball; 104. a valve stem; 105. a cavity;
200. a limiting device; 201. a limit rod; 202. a first spring; 203. a slide block; 204. a fixed block;
300. a clamping device; 301. a male clamping block; 302. a female clamping block;
400. a second spring; 401. a push rod; 402. and a bump.
Detailed Description
In actual use, the valve plate is easy to rotate because the position of the mistakenly touching handle affects the control of fluid, meanwhile, the internal liquid or gas is easy to leak, if the valve plate is not timely found to cause loss, if harmful substances are easy to cause accidents and accidents of workers, in addition, the connecting block is sleeved by the clamping piece, the valve body can be rotated by rotating the handle, however, the connecting sleeve is pressed down in the mistakenly touching process, the valve body is also driven to rotate, and accordingly the liquid or gas is leaked.
As shown in fig. 1 to 6, the device comprises a valve body 100, wherein two symmetrical ends of the valve body 100 are respectively provided with a connecting disc 101 connected with pipelines at two sides, a valve ball 103 for controlling fluid flow is arranged in the valve body 100, the upper end of the valve ball 103 is fixedly connected with a valve rod 104, the valve rod 104 is sleeved at the bottom of a turntable 102, a plurality of limiting devices 200 are arranged around the outer rings of the turntable 102 and the valve rod 104, the limiting devices 200 limit the rotation of the turntable 102, the turntable 102 drives the valve rod 104 to rotate through a clamping device 300, the limiting devices 200 are inserted into a clamping ring, the bottom of the turntable 102 and the valve body 100, the turntable 102 is fixed by the limiting devices 200 to prevent the rotation of the turntable 102, so that fluid in the pipelines leaks, and secondly, when the valve ball 103 needs to be opened, the turntable 102 is rotated by pressing the limiting devices 200, the turntable 102 is driven by the turntable 104 to rotate under the action of the clamping device 300, so that the valve ball 103 is opened, and the fluid in the pipelines is switched on.
Specifically, the limiting device 200 at least comprises a limiting rod 201, the limiting rod 201 is located in a round hole formed in the connecting disc 101, the top of the limiting rod 201 is inserted into a plurality of protruding blocks 402 formed in the outer ring at the bottom of the rotary disc 102, sliding blocks 203 and fixed blocks 204 are respectively arranged at the upper end and the lower end of the limiting rod 201, the sliding blocks 203 and the limiting rod 201 are in sliding connection, the fixed blocks 204 are fixed on the limiting rod 201, a first spring 202 is sleeved on the limiting rod 201 between the sliding blocks 203 and the fixed blocks 204, the rotary disc 102 is rotated to enable the limiting rod 201 to rotate a certain angle, the valve rod 104 is prevented from rotating at the upper end of the valve body 100 by inserting the bottom of the limiting rod 201 into the round hole formed in the upper end of the clamping ring and the valve body 100, and then the sliding blocks 203 are pressed by the upper end of the clamping ring, so that the limiting rod 201 moves downwards along with the compression of the limiting rod 201, the first spring 202 rotates the rotary disc 102, the protruding blocks 402 are located right above the upper ends of the limiting rod 201, at the moment, the limiting rod 201 is released, the first spring 202 pushes the fixed blocks 204 and the limiting rod 201 to move upwards, the upper ends of the limiting rod 201 are clamped in the round holes formed in the protruding blocks, the bottom of the limiting rod 201 is clamped in the protruding blocks, the bottom of the limiting rod 201 is still clamped in the round hole, and the round hole is still clamped in the upper end of the fixing block 100, and the bottom is prevented from rotating together with the valve body 100, and fluid is prevented from leaking.
Secondly, because chucking device 300 comprises public fixture block 301 and female fixture block 302, public fixture block 301 is the symmetric distribution in carousel 102 bottom, female fixture block 302 is located the valve rod 104 upper end clamping ring inboard, when needing to open valve ball 103, take out gag lever post 201 from the round hole, then, press carousel 102 makes second spring 400 compress, when public fixture block 301 and female fixture block 302 are in same height, rotate carousel 102 for public fixture block 301 and female fixture block 302 joint cooperation, then, along with the rotation of carousel 102, drive valve rod 104 and valve ball 103 rotation, open valve ball 103, the fluid of pipeline inside flows out through valve body 100.
Further, considering that the turntable 102 is prevented from directly driving the valve rod 104 to rotate in the rotating process of the turntable 102, the bottom of the turntable 102 is sleeved with the second spring 400 and the push rod 401, the push rod 401 is slidably connected with the bottom of the turntable 102, the bottom of the push rod 401 is located in the cavity 105 formed in the valve rod 104, when the male clamping block 301 is in clamping fit with the clamping device 300, the turntable 102 rotates to not drive the valve rod 104 to rotate, namely, the valve ball 103 is in a closed state, fluid leakage caused by incorrect operation is prevented, and when the male clamping block 301 is clamped with the female clamping block 302, the turntable 102 drives the valve rod 104 to rotate to open the valve ball 103, and at the moment, fluid flows out through the valve body 100.
To sum up, the working principle of the scheme is as follows: firstly, connecting the connecting discs 101 at the two ends of the valve body 100 with the pipelines at the two sides respectively, then rotating the rotary disc 102 to stagger the protruding blocks 402 and the upper ends of the limiting rods 201, preventing the valve rod 104 from rotating at the upper ends of the valve body 100 by inserting the bottoms of the limiting rods 201 into the snap rings and the round holes at the upper ends of the valve body 100, secondly, pressing the fixing blocks 204, as the sliding blocks 203 are blocked by the upper ends of the snap rings, the first springs 202 compress along with the downward movement of the limiting rods 201, then rotating the rotary disc 102 to enable the protruding blocks 402 to be positioned right above the upper ends of the limiting rods 201, at the moment, releasing the limiting rods 201, pushing the fixing blocks 204 and the limiting rods 201 to move upwards, clamping the upper ends of the limiting rods 201 in the round holes in the protruding blocks 402, clamping the rotary disc 102, the bottom of the limiting rod 201 is still clamped in round holes in the valve body 100 and the clamping ring, so that the valve rod 104 is driven to rotate together when the turntable 102 is prevented from rotating, fluid in a pipeline is prevented from leaking, when the valve ball 103 needs to be opened, the limiting rod 201 is taken out of the round hole, then the turntable 102 is pressed to compress the second spring 400, when the male clamping block 301 and the female clamping block 302 are at the same height, the turntable 102 is rotated, the male clamping block 301 and the female clamping block 302 are clamped and matched, then the valve rod 104 and the valve ball 103 are driven to rotate along with the rotation of the turntable 102, the valve ball 103 is opened, fluid in the pipeline flows out through the valve body 100, after the valve ball 103 is closed, the female clamping block 302 is separated from the male clamping block 301, and under the action of the second spring 400, the turntable 102 is popped up, and the original position is restored.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. An anti-false valve, which is characterized in that: including valve body (100), wherein, valve body (100) symmetry both ends all are equipped with connection pad (101) of connecting both sides pipeline, valve body (100) inside is equipped with valve ball (103) of control fluid flow, valve ball (103) upper end fixed connection valve rod (104), valve rod (104) are with carousel (102) bottom cover, just be equipped with a plurality of stop device (200) around carousel (102) and valve rod (104) outer loop, stop device (200) restrict the rotation of carousel (102), carousel (102) drive valve rod (104) through chucking device (300) rotate, stop device (200) include gag lever post (201) at least, gag lever post (201) are located in the round hole (402) that connection pad (101) were seted up, gag lever post (201) top inserts in carousel (102) bottom outer loop are equipped with slider (203) and fixed block (204) respectively, slider (203) and gag lever post (201) sliding connection, fixed block (204) are fixed on slider (201) and fixed block (201) and stop collar (201).
2. The false-open prevention valve of claim 1, wherein: the clamping device (300) is composed of a male clamping block (301) and a female clamping block (302), the male clamping block (301) is symmetrically distributed at the bottom of the rotary table (102), the female clamping block (302) is located inside a clamping ring at the upper end of the valve rod (104), and the male clamping block (301) is matched with the female clamping block (302) in a clamping mode.
3. The false-open prevention valve of claim 1, wherein: the bottom of the rotary table (102) is sleeved with a second spring (400) and a push rod (401), the push rod (401) is in sliding connection with the bottom of the rotary table (102), and the bottom of the push rod (401) is located in a cavity (105) formed in the valve rod (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896379.XU CN220646840U (en) | 2023-07-19 | 2023-07-19 | Valve capable of preventing from being opened by mistake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896379.XU CN220646840U (en) | 2023-07-19 | 2023-07-19 | Valve capable of preventing from being opened by mistake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646840U true CN220646840U (en) | 2024-03-22 |
Family
ID=90292705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321896379.XU Active CN220646840U (en) | 2023-07-19 | 2023-07-19 | Valve capable of preventing from being opened by mistake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646840U (en) |
-
2023
- 2023-07-19 CN CN202321896379.XU patent/CN220646840U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |