CN212177886U - Pressure-bearing quick-opening blind valve - Google Patents

Pressure-bearing quick-opening blind valve Download PDF

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Publication number
CN212177886U
CN212177886U CN202020348801.8U CN202020348801U CN212177886U CN 212177886 U CN212177886 U CN 212177886U CN 202020348801 U CN202020348801 U CN 202020348801U CN 212177886 U CN212177886 U CN 212177886U
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China
Prior art keywords
hole
nut
pressure
flange
opening blind
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Active
Application number
CN202020348801.8U
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Chinese (zh)
Inventor
唐艳芬
晏丽
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Kunming Aoyu Kexin machinery parts maintenance center
Original Assignee
Yunnan Feihong Turbine Mechanical Engineering Co ltd
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Priority to CN202020348801.8U priority Critical patent/CN212177886U/en
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Abstract

The utility model relates to the technical field of electric power, petroleum and chemical production equipment, in particular to a pressure-bearing quick-opening blind valve, which comprises a supporting mechanism fixed at the edge of a flange and a valve core mechanism movably connected with the flange and penetrating through the supporting mechanism; the valve core mechanism comprises a valve core which is movably connected with the flange and is matched with the flange, a nut which is fixed on the valve core, a limiting part which is arranged at the top of the nut and is provided with a first thread through hole matched with the nut in the middle, a rotating arm which is connected with the top of the limiting part and is provided with a first through hole in the middle, and a screw which sequentially penetrates through the first through hole, the first thread through hole and the nut. The utility model discloses it is wider to have application scope, and overall design is novel, and the practicality is stronger, easily uses widely more.

Description

Pressure-bearing quick-opening blind valve
Technical Field
The utility model relates to an electric power, petroleum, chemical production equipment technical field especially relate to a blind valve is opened soon in pressure-bearing.
Background
In electric power, oil, chemical production, flange blind plate is used mostly to a lot of container manholes, adopts bolted connection, nevertheless because the manhole needs frequent switch mostly, and need demolish during the switching and install the blind plate, not only consuming time, hard, unsafe moreover.
Disclosure of Invention
The features and advantages of the present invention are set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.
In order to overcome the problems of the prior art, the utility model provides a pressure-bearing quick blind-opening valve, which comprises a supporting mechanism fixed at the edge of a flange and a valve core mechanism which is movably connected with the flange and penetrates through the supporting mechanism;
the valve core mechanism comprises a valve core which is movably connected with the flange and is matched with the flange, a nut which is fixed on the valve core, a limiting part which is arranged at the top of the nut and is provided with a first thread through hole matched with the nut in the middle, a rotating arm which is connected with the top of the limiting part and is provided with a first through hole in the middle, and a screw rod which is connected with the nut after sequentially passing through the first through hole and the first thread through hole.
Preferably, the limiting part comprises a lower positioning plate which is connected with the top of the nut and provided with a second threaded through hole matched with the nut in the middle, and an upper positioning plate which is fixed on the rotating arm and provided with a third threaded through hole matched with the second threaded through hole of the lower positioning plate in the middle.
Preferably, the bottom of the screw is provided with a stopper.
Preferably, the second threaded through hole and the through hole of the nut form an inverted T-shaped cavity for preventing the limiting head from slipping off.
Preferably, the first through hole is provided with an internal thread.
Preferably, the nut is provided with a smooth inner wall, and the limiting head is slidably connected to the inner wall of the nut.
Preferably, the support mechanism comprises at least one hinge seat with the bottom fixed with the flange edge, and a hinge shaft arranged at the top of the hinge seat and used for being rotatably connected with the rotating arm.
Preferably, the hinge shaft is detachably penetrated through the top of the hinge base and the end of the rotating arm.
Preferably, a handle or a turntable is further included, which is connected to the screw and is used to facilitate rotation.
Preferably, the edge of the flange is provided with a seal.
The utility model has the advantages that: this blind valve is opened soon to pressure-bearing has avoided in the current design bolt that will be fixed in on the flange to take off or install the operation that the top can open or close the manhole one by one, only needs extract the articulated shaft behind twist grip or the carousel and can realize opening the operation of manhole, has practiced thrift workman's operating time greatly, and has the switching flexibility, convenient, sealed reliable, do not have advantages such as leakage, labour saving and time saving has more improved work efficiency greatly, has reduced the cost of labor. Compare current design, application scope is wider, and overall design is novel, and the practicality is stronger, easily uses widely more.
Drawings
The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:
fig. 1 is a schematic view of a pressure-bearing quick-opening blind valve according to an embodiment of the present invention;
fig. 2 is a top view of a pressure-bearing quick-opening blind valve in an embodiment of the present invention;
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
the support mechanism comprises a support mechanism 100, a hinge base 110, a hinge shaft 120, a valve core mechanism 200, a nut 210, a limiting piece 220, a first threaded through hole 221, a second threaded through hole 222, a lower positioning disc 223, a third threaded through hole 224, an upper positioning disc 225, a rotating arm 230, a first through hole 231, a screw 240, a limiting head 250, a flange 300, a sealing piece 400, a handle or a rotating disc 500 and a valve core 600.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 and 2, the present invention provides a pressure-bearing quick-opening blind valve, which comprises a supporting mechanism 100 fixed at the edge of a flange 300, and a valve core mechanism 200 movably connected with the flange 300 and penetrating through the supporting mechanism 100;
the valve core mechanism comprises a valve core 600 movably connected with the flange 300 and matched with the flange 300, a nut 210 fixed on the valve core 600, a limiting member 220 arranged at the top of the nut 210 and provided with a first threaded through hole 221 matched with the nut 210 in the middle, a rotating arm 230 connected with the top of the limiting member 220 and provided with a first through hole 231 in the middle, and a screw 240 sequentially penetrating through the first through hole 231 and the first threaded through hole 221 and connected with the nut 210.
The entire blind valve is fixed on the flange 300 by the support mechanism 100, and provides support for the entire blind valve, so as to facilitate the opening and closing of the valve core mechanism 200. The limit piece 220 limits the stroke range of the screw 240, and effectively prevents the rotation center shaft of the screw 240 from deviating, so that the blind valve is opened more time-saving and labor-saving. The support mechanism 100 is connected to the valve core mechanism 200 by the rotation arm 230 to facilitate opening and closing of the blind valve. Through the cooperation of the screw 240 and the nut 210, pressure is applied or released to the valve core 600, thereby achieving the purpose of initially opening or closing the blind valve.
Further, the limiting member 220 includes a lower positioning plate 223 connected to the top of the nut 210 and having a second threaded through hole 222 in the middle thereof, the second threaded through hole 222 being adapted to the nut 210, and an upper positioning plate 225 fixed to the rotating arm 230 and having a third threaded through hole 224 in the middle thereof, the third threaded through hole 222 being adapted to the second threaded through hole 222 of the lower positioning plate 223. The screw 240 is fixed above the nut 210 through the upper positioning disc 225 and the lower positioning disc 223, so that the stroke range of the screw 240 is limited, the rotation of the screw 240 is smoother, and the possibility that the screw 240 is deformed due to uneven stress and further a blind valve cannot be opened is reduced.
Further, a stopper 250 is provided at the bottom of the screw 240. The travel of the screw 240 is further limited by a stop 250. The spacing head 250 is adapted to the nut 210. As a preferred embodiment of the present invention, the diameter of the limiting head 250 is equal to the diameter of the screw 240, and the limiting head 250 can be provided with a first external thread adapted to the internal thread of the nut 210, and the connecting portion of the limiting head 250 and the screw 240 is provided with a thread-free area having the same height as the nut 210, and the diameter of the thread-free area is smaller than or equal to the diameter of the screw 240 for removing the teeth.
As another preferred embodiment of the present invention, the outer edge of the position limiting head 250 and the inner wall of the nut 210 are both smooth, and the position limiting head 250 and the nut 210 are slidably connected, and meanwhile, the diameter of the position limiting head 250 may be greater than or equal to the outer diameter of the screw 240, and since the outer edge of the position limiting head 250 is smooth, even if the diameter is the same as the outer diameter of the screw 240, the position limiting part 220 cannot pass through, thereby further limiting the process of the screw 240.
Further, the second threaded through hole 222 and the through hole of the nut 210 form an inverted "T" shaped cavity that prevents the stopper 250 from slipping off. The diameter of this spacing head 250 is greater than the diameter of screw rod 240 promptly, has further injectd the stroke of screw rod 240 through "T" type cavity of falling, and has prevented the skew of rotatory center pin, labour saving and time saving more, and improved work efficiency greatly, reduced the cost of labor.
Further optimizing the above technical solution, the first through hole 231 is provided with an internal thread to assist the rotation of the screw 240, so that the rotation is more stable and smoother, and the pressure is applied to the valve element 600 conveniently, thereby achieving the purpose of time and labor saving.
Further, the nut 210 has a smooth inner wall, and the limiting head 250 is slidably connected to the inner wall of the nut 210. The rotating central shaft does not deviate in the rotating process of the screw rod, so that the closing of the valve core 600 is not influenced, the whole blind valve is effectively protected, and the damage of the blind valve caused by the central deviation of the screw rod 240 in the rotating process is prevented; simultaneously, still carry out further spacingly through nut 210 to screw 240, make this blind valve can adapt to the demand of different installation angle manholes, make this blind valve safer, more stable.
Further, the support mechanism 100 includes at least one hinge base 110 having a bottom fixed to an edge of the flange 300, and a hinge shaft 120 provided at a top of the hinge base 110 and adapted to be rotatably coupled to the pivot arm 230. The valve core mechanism 200 is fixed on the edge of the flange 300 by the hinge base 110, and the purpose of rapidly opening or closing the blind valve is achieved by the hinge shaft 120.
Further, the hinge shaft 120 is detachably inserted through the top of the hinge base 110 and the end of the rotation arm 230, so that the entire blind valve can be rapidly opened and closed. In practical use, the hinge shaft 120 is pulled out from the hinge base 110 and the rotating arm 230, so that the rotating arm 230 is held to open the valve core 600; when the valve core mechanism 200 needs to be closed, after the valve core 600 is fastened to the flange 300, the hinge shaft 120 penetrates through the through holes of the hinge base 110 and the rotating arm 230, and then the valve core mechanism 200 can be closed preliminarily.
As a preferred embodiment of the present invention, the supporting mechanism 100 comprises a hinge base 110 symmetrically disposed at both ends of the flange 300, a through hole passing through the top of the hinge base 110 and the end of the rotating arm 230, and a hinge shaft 120 movably disposed on the through hole and rotatably connecting the hinge base 110 and the rotating arm 230. The hinge shaft 120 is provided at both ends thereof with blocking caps (not shown) for preventing the hinge shaft 120 from slipping out of the hinge base 110 and the pivot arm 230, and at least one end of the blocking cap (not shown) is detachably connected to the hinge shaft 120, so that the hinge shaft 120 is easily pulled out from the through-holes of the hinge base 110 and the pivot arm 230 for the purpose of rapidly opening or closing the manhole.
Further, a handle or dial 500 is included that is connected to the screw 240 and is used to facilitate rotation. The handle or the turntable 500 is more convenient for the personnel to operate, and is more time-saving and labor-saving.
Further, the edge of the flange 300 is provided with a sealing element 400, the sealing effect of the manhole is enhanced through the sealing element 400, leakage is prevented, and the sealing effect is better. The sealing member 400 may be a rubber ring or an O-ring, which can achieve a sealing effect, and is applicable to the device, and is not limited specifically herein.
In actual use, if the blind valve needs to be opened, the handle or the turntable 500 assists to rotate the screw 240, so that the screw 240 rotates to the top of the nut 210, the force on the rotating arm 230 in the axial direction of the screw 240 is relieved, then the hinge shaft 120 is screwed out from the through holes of the hinge base 110 and the rotating arm 230, the rotating arm 230 is held by hand to drive the valve core 600 to move away from the flange 300, and the valve core 600 is opened; if the blind valve needs to be closed, the blind valve is closed by pushing the valve core 600 to a manhole by holding the rotating arm 230 by hand, aligning the rotating arm 230 with the through hole of the hinge base 110, penetrating the hinge shaft 120 through the through hole to realize the initial closing of the blind valve, rotating the screw 240 from the top end of the nut 210 to the bottom by rotating the handle or the turntable 500, and further applying a force along the axial direction of the screw 240 to the valve core 600 under the support of the rotating arm 230 to make the blind valve closed more tightly. This blind valve is opened soon to pressure-bearing has avoided in the current design need be fixed in the bolt on the flange 300 one by one and has taken off or install the operation that the manhole can be opened or close in the top, only needs extract articulated shaft 120 behind twist grip or carousel 500 and can realize opening the operation of manhole, has practiced thrift workman's operating time greatly, and has the switching nimble, convenient, sealed reliable, advantage such as no leakage, labour saving and time saving has more improved work efficiency greatly, has reduced the cost of labor. Compare current design, application scope is wider, and overall design is novel, and the practicality is stronger, easily uses widely more.
The preferred embodiments of the present invention have been described with reference to the accompanying drawings, and those skilled in the art can implement the present invention in various modifications without departing from the scope and spirit of the present invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the specification and the drawings of the present invention are included in the scope of the present invention.

Claims (10)

1. A pressure-bearing quick-opening blind valve is characterized by comprising a supporting mechanism fixed on the edge of a flange and a valve core mechanism which is movably connected with the flange and penetrates through the supporting mechanism;
the valve core mechanism comprises a valve core which is movably connected with the flange and is matched with the flange, a nut which is fixed on the valve core, a limiting part which is arranged at the top of the nut and is provided with a first thread through hole matched with the nut in the middle, a rotating arm which is connected with the top of the limiting part and is provided with a first through hole in the middle, and a screw rod which is connected with the nut after sequentially passing through the first through hole and the first thread through hole.
2. The pressure-bearing quick-opening blind valve according to claim 1, wherein the limiting member comprises a lower positioning plate connected with the top of the nut and provided with a second threaded through hole in the middle part thereof, and an upper positioning plate fixed on the rotating arm and provided with a third threaded through hole in the middle part thereof, wherein the third threaded through hole is matched with the second threaded through hole of the lower positioning plate.
3. The pressure-bearing quick-opening blind valve according to claim 2, characterized in that the bottom of the screw is provided with a stopper.
4. The pressure-bearing quick-opening blind valve according to claim 3, characterized in that the second threaded through hole and the through hole of the nut form an inverted "T" shaped cavity that prevents the stopper head from slipping off.
5. Pressure-bearing quick-opening blind valve according to claim 4, characterized in that the first through hole is provided with an internal thread.
6. The pressure-bearing quick-opening blind valve according to claim 5, characterized in that the nut is provided with a smooth inner wall, and the stopper is slidably connected to the inner wall of the nut.
7. Pressure-bearing quick-opening blind valve according to any of claims 1 to 6, characterized in that said support means comprise at least one hinge seat whose bottom is fixed to the flange edge, and a hinge shaft provided at the top of the hinge seat and adapted to be pivotally connected to the swivel arm.
8. The pressure-bearing quick-opening blind valve according to claim 7, characterized in that the hinge shaft is detachably connected to the top of the hinge base and the end of the rotating arm.
9. The pressure-bearing quick-opening blind valve of claim 7 further comprising a handle or dial connected to the screw for convenient rotation.
10. Pressure-bearing quick-opening blind valve according to claim 8, characterized in that the flange is provided with a seal at its edge.
CN202020348801.8U 2020-03-19 2020-03-19 Pressure-bearing quick-opening blind valve Active CN212177886U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020348801.8U CN212177886U (en) 2020-03-19 2020-03-19 Pressure-bearing quick-opening blind valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020348801.8U CN212177886U (en) 2020-03-19 2020-03-19 Pressure-bearing quick-opening blind valve

Publications (1)

Publication Number Publication Date
CN212177886U true CN212177886U (en) 2020-12-18

Family

ID=73770408

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020348801.8U Active CN212177886U (en) 2020-03-19 2020-03-19 Pressure-bearing quick-opening blind valve

Country Status (1)

Country Link
CN (1) CN212177886U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210420

Address after: 650000 shop c10-5, Dongju Car Auto Parts City, Xiaobanqiao sub district office, Guandu District, Kunming City, Yunnan Province

Patentee after: Kunming Aoyu Kexin machinery parts maintenance center

Address before: Unit 301, unit 2, building 10, Jiangdong natural residence community, No. 2, Datun West Road, Lianran street, Anning City, Kunming City, Yunnan Province

Patentee before: Yunnan Feihong turbine mechanical engineering Co.,Ltd.

TR01 Transfer of patent right