CN211231822U - Prevent stop valve of maloperation - Google Patents
Prevent stop valve of maloperation Download PDFInfo
- Publication number
- CN211231822U CN211231822U CN201920292808.XU CN201920292808U CN211231822U CN 211231822 U CN211231822 U CN 211231822U CN 201920292808 U CN201920292808 U CN 201920292808U CN 211231822 U CN211231822 U CN 211231822U
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- valve
- sleeve
- valve body
- connecting rod
- spring
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Abstract
The utility model belongs to the technical field of the stop valve technique and specifically relates to a prevent stop valve of maloperation, which comprises a valve body, the both sides that the valve body was kept away from mutually are equipped with input and output, the valve body top is equipped with the valve gap, be equipped with the sleeve in the valve gap, be equipped with the connecting rod in the sleeve, the top of connecting rod is equipped with the hand wheel, be equipped with flexible diaphragm between sleeve and valve gap, the connecting rod bottom is equipped with the docking gear, be equipped with the spring between docking gear top and sleeve top section of thick bamboo wall, the sleeve bottom is equipped with rotatory piece, the circumference outside of rotatory piece is equipped with the external screw thread, the circumference outside of rotatory piece is cup jointed and is equipped with the plunger, the plunger top. The utility model discloses simple structure can effectively prevent the maloperation, has market prospect, is fit for promoting.
Description
Technical Field
The utility model relates to a stop valve technical field especially relates to a prevent stop valve of maloperation.
Background
The stop valve is also called stop valve, belonging to forced sealing type valve, when the valve is closed, it must apply pressure to valve core to force sealing surface not to leak. In the related art, a stop valve includes a stop valve body, a plug body accommodated in the stop valve body, and an adjusting spring accommodated in the plug body, the stop valve body includes a valve body, and a valve element and a control mechanism connected to both ends of the valve body and having a liquid inlet hole, and when a medium enters the valve body through the valve element, an operating force must overcome a pressure applied to the valve element, and then the medium can enter the valve body. The pressure applied to the valve element is generally applied to a plug body having a regulating spring provided therein by a control mechanism, and the plug body abuts against the valve element to form the pressure applied to the valve element. However, a stop valve for preventing misoperation is lacked in the prior art, and in a pipeline system with a plurality of stop valves gathered, the stop valve is loosened or opened due to external friction, so that certain potential safety hazards exist, and therefore the stop valve capable of preventing misoperation is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the prior art has the pipeline system gathered by a plurality of stop valves, so that the stop valve is loosened or opened due to external friction, certain potential safety hazard is caused, and the provided anti-misoperation stop valve is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a designed anti-misoperation stop valve comprises a valve body, wherein the interior of the valve body is of a cavity structure, the two far sides of the valve body are respectively provided with an input end and an output end communicated with the interior of the valve body, the top of the valve body is detachably connected with a valve cover through bolts, the top of the valve cover is fixedly provided with a sleeve, a connecting rod is rotatably connected in the sleeve through a rotating shaft, the top end of the connecting rod extends to the outer side of the top of the sleeve and is fixedly provided with a hand wheel, a flexible diaphragm is fixedly arranged between the circumferential outer wall of the sleeve and the circumferential inner wall of the valve cover, the bottom end of the connecting rod is fixedly provided with a butt gear, a spring is fixedly arranged between the top of the butt gear and the wall of the top of the sleeve and is sleeved on the circumferential outer side of the connecting rod, the bottom of, the rotatory piece top is equipped with the ring slide rail, the sleeve bottom be equipped with the spout of ring slide rail looks interlock, the circumference outside of rotatory piece is equipped with the external screw thread, the circumference outside of rotatory piece cup joints and is equipped with the plunger, the plunger top be equipped with the external screw thread assorted internal thread groove of rotatory piece, the valve gap with the circumference inner wall of valve body butt joint department all fixed be equipped with the seal ring pad that the plunger circumference outer wall was laminated mutually, the inboard bottom of valve body cavity be equipped with plunger bottom assorted is by the groove.
Preferably, the spring is an anti-fatigue spring, and the spring has an elastic force for driving the docking gear away from the docking tooth groove.
Preferably, the sealing ring gasket is a flexible graphite sealing ring gasket.
Preferably, the hand-held part of the hand wheel is designed to be an anti-skid structure.
The utility model provides a pair of prevent stop valve of maloperation, beneficial effect lies in: through having rotatory piece, the connecting rod, the docking gear, mutually support between the sleeve of butt joint tooth's socket and spring and the plunger that has the internal thread groove, make the stop valve of preventing maloperation in the use, need apply external force and make the connecting rod above that overcome the elasticity of spring move down for the hand wheel, and then make the docking gear on the connecting rod and the butt joint tooth's socket on the rotatory piece to closing mutually, keep pushing down and rotatory hand wheel drive rotatory piece rotation this moment, thereby make the plunger utilize the external screw thread interlock drive on internal thread and the rotatory piece, and then enable the plunger displacement from top to bottom realize opening and the closure of the stop valve of preventing maloperation, through extra pushing down the action design, the unexpected opening and the closure of stop valve that the maloperation leads to of stop valve in the use has been avoided, the practicality has been.
Drawings
Fig. 1 is a schematic structural diagram of an anti-misoperation stop valve provided by the present invention;
fig. 2 is a schematic cross-sectional structural view of a stop valve for preventing misoperation according to the present invention;
fig. 3 is an enlarged view of region a in fig. 2.
In the figure: the valve comprises a valve body 1, a valve cover 2, an input end 3, an output end 4, a hand wheel 5, a plunger 6, a sealing ring gasket 7, a flexible diaphragm 8, a connecting rod 9, a sleeve 10, a rotating block 11, a spring 12, a butt gear 13, a butt tooth groove 14, a circular ring slide rail 15 and a stop groove 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a stop valve for preventing misoperation comprises a valve body 1, the interior of the valve body 1 is a cavity structure, the two sides far away from the valve body 1 are respectively provided with an input end 3 and an output end 4 communicated with the interior of the valve body 1, the top of the valve body 1 is detachably connected with a valve cover 2 through bolts, the top of the valve cover 2 is fixedly provided with a sleeve 10, the sleeve 10 is internally and rotatably connected with a connecting rod 9 through a rotating shaft, the top end of the connecting rod 9 extends to the outside of the top of the sleeve 10 and is fixedly provided with a hand wheel 5, the hand-held part of the hand wheel 5 is designed to be an anti-slip structure, a flexible diaphragm 8 is fixedly arranged between the circumferential outer wall of the sleeve 10 and the circumferential inner wall of the valve cover 2, the bottom end of the connecting rod 9 is fixedly provided with a butt-joint gear, the top of the rotating block 11 is provided with a butt-joint toothed groove 14 engaged with the butt-joint gear 13, the spring 12 is a fatigue-resistant spring, and the spring 12 has an elastic force for driving the butt-joint gear 13 away from the butt-joint toothed groove 14.
11 tops of rotatory piece are equipped with ring slide rail 15, sleeve 10 bottoms are equipped with the spout with ring slide rail 15 looks interlock, the circumference outside of rotatory piece 11 is equipped with the external screw thread, the circumference outside of rotatory piece 11 is cup jointed and is equipped with plunger 6, plunger 6 top is equipped with the internal thread groove with the external screw thread assorted of rotatory piece 11, valve gap 2 all fixes the seal ring pad 7 that is equipped with and laminates mutually with 6 circumference outer walls of plunger with the circumference inner wall of 1 butt joint of valve body, seal ring pad 7 is flexible graphite seal ring pad, the inboard bottom of the cavity of 1 valve body be equipped with 6 bottom assorted of plunger by groove 16.
When the anti-misoperation stop valve is used, through the mutual matching between the sleeve 10 with the rotating block 11, the connecting rod 9, the butting gear 13, the butting tooth groove 14, the spring 12 and the plunger 6 with the internal thread groove, when the anti-misoperation stop valve is used, external force needs to be applied to the hand wheel 5 to enable the connecting rod 9 on the hand wheel 5 to overcome the elastic force of the spring 12 to move downwards, further the butting gear 13 on the connecting rod 9 is enabled to be abutted with the butting tooth groove 14 on the rotating block 11, the hand wheel 5 is kept pressed downwards and rotated to drive the rotating block 11 to rotate, so that the plunger 6 is driven by meshing the internal thread with the external thread on the rotating block 11, further the plunger 6 can move upwards and downwards to realize the opening and closing of the anti-misoperation stop valve, through the additional pressing action design, the accidental opening and closing of the stop valve caused by misoperation in the use process of.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A stop valve preventing misoperation comprises a valve body (1) and is characterized in that the valve body (1) is internally provided with a cavity structure, the two sides of the valve body (1) far away from each other are respectively provided with an input end (3) and an output end (4) communicated with the interior of the valve body, the top of the valve body (1) is detachably connected with a valve cover (2) through bolts, the top of the valve cover (2) is fixedly provided with a sleeve (10), the sleeve (10) is internally and rotatably connected with a connecting rod (9) through a rotating shaft, the top end of the connecting rod (9) extends to the outer side of the top of the sleeve (10) and is fixedly provided with a hand wheel (5), a flexible diaphragm (8) is fixedly arranged between the circumferential outer wall of the sleeve (10) and the circumferential inner wall of the valve cover (2), the bottom end of the connecting rod (9) is fixedly provided with a butt gear (13), and a spring (12), the spring (12) is sleeved outside the circumference of the connecting rod (9), the bottom of the sleeve (10) is provided with a rotating block (11), the top of the rotating block (11) is provided with a butt joint tooth groove (14) meshed with the butt joint gear (13), the top of the rotating block (11) is provided with a circular sliding rail (15), the bottom of the sleeve (10) is provided with a sliding groove meshed with the circular sliding rail (15), the outer side of the circumference of the rotating block (11) is provided with external threads, the outer side of the circumference of the rotating block (11) is sleeved with a plunger (6), the top of the plunger (6) is provided with an internal thread groove matched with the external thread of the rotating block (11), the inner circumferential wall of the joint of the valve cover (2) and the valve body (1) is fixedly provided with a sealing ring gasket (7) which is attached to the outer circumferential wall of the plunger (6), and a stop groove (16) matched with the bottom of the plunger (6) is formed in the bottom of the inner side of the cavity of the valve body (1).
2. A valve as claimed in claim 1, wherein the spring (12) is a fatigue resistant spring, the spring (12) having a spring force urging the abutment gear (13) away from the abutment splines (14).
3. A valve as claimed in claim 1, wherein the sealing ring gasket (7) is a flexible graphite sealing ring gasket.
4. An anti-misoperation stop valve according to claim 1, wherein the hand-held part of the hand wheel (5) is designed to be anti-skid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920292808.XU CN211231822U (en) | 2019-12-10 | 2019-12-10 | Prevent stop valve of maloperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920292808.XU CN211231822U (en) | 2019-12-10 | 2019-12-10 | Prevent stop valve of maloperation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231822U true CN211231822U (en) | 2020-08-11 |
Family
ID=71917087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920292808.XU Active CN211231822U (en) | 2019-12-10 | 2019-12-10 | Prevent stop valve of maloperation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231822U (en) |
-
2019
- 2019-12-10 CN CN201920292808.XU patent/CN211231822U/en active Active
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