CN208967051U - A kind of cutoff valve with high sealing performance - Google Patents

A kind of cutoff valve with high sealing performance Download PDF

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Publication number
CN208967051U
CN208967051U CN201821840539.8U CN201821840539U CN208967051U CN 208967051 U CN208967051 U CN 208967051U CN 201821840539 U CN201821840539 U CN 201821840539U CN 208967051 U CN208967051 U CN 208967051U
Authority
CN
China
Prior art keywords
limit
valve
fixing seat
inner cylinder
sealing performance
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.)
Expired - Fee Related
Application number
CN201821840539.8U
Other languages
Chinese (zh)
Inventor
洪苑松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengjia Valve Co Ltd
Original Assignee
Zhengjia Valve Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengjia Valve Co Ltd filed Critical Zhengjia Valve Co Ltd
Priority to CN201821840539.8U priority Critical patent/CN208967051U/en
Application granted granted Critical
Publication of CN208967051U publication Critical patent/CN208967051U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of cutoff valve with high sealing performance, including valve body, the body top is provided with fixing seat, is provided with clamping ring on the outside of the fixing seat, is provided through valve rod in the fixing seat, the stem bottom is provided with bottom plate, the bottom base plate is provided with flap, and the clamping ring bottom is provided with limit inner cylinder, is provided with spacing collar on the outside of the limit inner cylinder, it is provided with sealing ring on the outside of the spacing collar, the sealing ring is made of rubber material.The utility model passes through setting limit outer cylinder, limit inner cylinder and sealing ring, during fixing seat raising and lowering, it is mobile in limit outer barrel to limit inner cylinder bottom end, the barrier that limit outer cylinder and limit inner cylinder surround annular stops water, prevent water from flowing out in the gap between valve rod and fixing seat, the sealing ring made of rubber material can reduce limit outer cylinder and limit the gap between inner cylinder, advantageously reduce the probability of leak.

Description

A kind of cutoff valve with high sealing performance
Technical field
The utility model relates to valve technology field, in particular to a kind of cutoff valve with high sealing performance.
Background technique
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to apply to flap and press Power is not leaked with forced seal face.When medium is by entering valve below flap, the resistance overcome required for operating force, is valve The frictional force of bar and filler and the thrust as caused by the pressure of medium, the power of closing valve is bigger than the power of valve opening door, so valve rod Diameter it is big, the failure of valve rod bending otherwise can occur.When existing shut-off valve realizes closing using engagement thread, make for a long time With rear, at screw thread sealing performance reduction, it is easy to produce leakage, needs to replace in time, it is at high cost, it would be highly desirable to improve.
Therefore, it is necessary to solve the above problems to invent a kind of cutoff valve with high sealing performance.
Utility model content
The purpose of this utility model is to provide a kind of cutoff valve with high sealing performance, pass through limit outer cylinder, limit inner cylinder and close Seal, in limit outer barrel movement, limit outer cylinder surrounds the barrier of annular to water progress with inner cylinder is limited for limit inner cylinder bottom end Stop, prevent water from flowing out in the gap between valve rod and fixing seat, it is outer that the sealing ring made of rubber material can reduce limit Gap between cylinder and limit inner cylinder, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of cutoff valve with high sealing performance, including valve Body, the body top are provided with fixing seat, are provided with clamping ring on the outside of the fixing seat, are provided through in the fixing seat Valve rod, the stem bottom are provided with bottom plate, and the bottom base plate is provided with flap, and the clamping ring bottom is provided in limit Cylinder, the limit inner cylinder outside are provided with spacing collar, are provided with sealing ring on the outside of the spacing collar, the sealing ring is by rubber material Material is made, and is provided with limit outer cylinder on the outside of the sealing ring, the valve body side is provided with water inlet, and the valve body other side is set It is equipped with water outlet.
Preferably, it is provided with retainer plate at the top of the clamping ring, the retainer plate surface is provided with bolt.
Preferably, the bolt is connect with valve body screw thread, and the valve rod is threadedly coupled with fixing seat.
Preferably, the valve stem top is provided with operation ring, and the operation ring is made of Steel material.
Preferably, the limit outer cylinder is fixedly connected with bottom plate.
Preferably, the flap bottom is provided with gasket, and the gasket is made of rubber material.
The utility model has the following beneficial effects:
(1) pass through setting limit outer cylinder, limit inner cylinder and sealing ring, during fixing seat raising and lowering, limit Inner cylinder bottom end is mobile in limit outer barrel, and the barrier that limit outer cylinder surrounds annular with limit inner cylinder stops water, prevents Water flows out in the gap between valve rod and fixing seat, and the sealing ring made of rubber material can be reduced in limit outer cylinder and limit Gap between cylinder, advantageously reduces the probability of leak;
(2) by setting bolt and retainer plate, bolt is backed out from valve body, pull operation ring, by fixing seat and connection Circle is removed from valve body, and limit inner cylinder bottom end is taken out from limit outer cylinder, replaces to sealing ring, is conducive to improve replacement Convenience.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the portion the A enlarged diagram of Fig. 1 of the utility model;
Fig. 3 is the portion the B enlarged diagram of Fig. 1 of the utility model;
In figure: 1 valve body, 2 fixing seats, 3 clamping rings, 4 valve rods, 5 bottom plates, 6 flaps, 7 limit inner cylinders, 8 spacing collars, 9 sealings Circle, 10 limit outer cylinders, 11 water inlets, 12 water outlets, 13 retainer plates, 14 bolts, 15 operation rings, 16 gaskets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of cutoff valve with high sealing performance as shown in Figs. 1-3, including valve body 1, and the valve body 1 pushes up Portion is provided with fixing seat 2, and clamping ring 3 is provided on the outside of the fixing seat 2, valve rod 4, institute are provided through in the fixing seat 2 It states 4 bottom of valve rod and is provided with bottom plate 5,5 bottom of bottom plate is provided with flap 6, and 3 bottom of clamping ring is provided with limit inner cylinder 7, spacing collar 8 is provided on the outside of the limit inner cylinder 7, is provided with sealing ring 9 on the outside of the spacing collar 8, and the sealing ring 9 is by rubber Glue material is made, and limit outer cylinder 10 is provided on the outside of the sealing ring 9,1 side of valve body is provided with water inlet 11, the valve 1 other side of body is provided with water outlet 12.
Further, in the above-mentioned technical solutions, retainer plate 13, the retainer plate 13 are provided at the top of the clamping ring 3 Surface is provided with bolt 14, and bolt 14, which can facilitate, is fixed on retainer plate 13 on valve body 1;
Further, in the above-mentioned technical solutions, the bolt 14 is threadedly coupled with valve body 1, the valve rod 4 and fixing seat 2 are threadedly coupled, and when threaded connection is easy to tighten and unscrew;
Further, in the above-mentioned technical solutions, be provided at the top of the valve rod 4 operation ring 15, the operation ring 15 by Steel material is made, and the operation ring 15 made of Steel material is not easy to meet aquatic rust;
Further, in the above-mentioned technical solutions, the limit outer cylinder 10 is fixedly connected with bottom plate 5, improves stability;
Further, in the above-mentioned technical solutions, 6 bottom of flap is provided with gasket 16, the gasket 16 by Rubber material is made, and the gasket 16 made of rubber material can be improved the sealing performance of flap 6.
This practical working principle:
Referring to Figure of description 1-3, by operation 15 rotation valve rod 4 of ring, valve rod 4 is rotated down in fixing seat 2, is pushed away Dynamic bottom plate 5, and then flap 6 is driven to close valve body 1, prevent water from flowing to water outlet 12 by water inlet 11, by rubber material system At gasket 16 can be improved the sealing performance of flap 6, during 2 raising and lowering of fixing seat, limit 7 bottom end of inner cylinder Limit outer cylinder 10 inside move, limit outer cylinder 10 and limit inner cylinder 7 surround annular barrier water is stopped, prevent water from It is flowed out in gap between valve rod 4 and fixing seat 2, the sealing ring 9 made of rubber material can reduce limit outer cylinder 10 and limit Gap between inner cylinder 7 advantageously reduces the probability of leak;
Bolt 14 can be backed out referring to Figure of description 3 when needing to take out flap 6 from valve body 1, pull behaviour Make ring 15, fixing seat 2 and clamping ring 3 are removed from valve body 1, limit 7 bottom end of inner cylinder is taken out from limit outer cylinder 10, to close Seal 9 is replaced, and the convenience for improving replacement is conducive to.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of cutoff valve with high sealing performance, including valve body (1), it is characterised in that: be provided with fixing seat at the top of the valve body (1) (2), it is provided with clamping ring (3) on the outside of the fixing seat (2), is provided through valve rod (4), the valve on the fixing seat (2) Bar (4) bottom is provided with bottom plate (5), and bottom plate (5) bottom is provided with flap (6), and clamping ring (3) the bottom setting is limited Position inner cylinder (7), limit inner cylinder (7) outside are provided with spacing collar (8), are provided with sealing ring on the outside of the spacing collar (8) (9), the sealing ring (9) is made of rubber material, and limit outer cylinder (10), the valve body are provided on the outside of the sealing ring (9) (1) side is provided with water inlet (11), and valve body (1) other side is provided with water outlet (12).
2. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: setting at the top of the clamping ring (3) Have retainer plate (13), retainer plate (13) surface is provided with bolt (14).
3. a kind of cutoff valve with high sealing performance according to claim 2, it is characterised in that: the bolt (14) and valve body (1) It is threadedly coupled, the valve rod (4) is threadedly coupled with fixing seat (2).
4. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: be provided at the top of the valve rod (4) It operates ring (15), the operation ring (15) is made of Steel material.
5. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: the limit outer cylinder (10) and bottom plate (5) it is fixedly connected.
6. a kind of cutoff valve with high sealing performance according to claim 1, it is characterised in that: flap (6) bottom is provided with Gasket (16), the gasket (16) are made of rubber material.
CN201821840539.8U 2018-11-09 2018-11-09 A kind of cutoff valve with high sealing performance Expired - Fee Related CN208967051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821840539.8U CN208967051U (en) 2018-11-09 2018-11-09 A kind of cutoff valve with high sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821840539.8U CN208967051U (en) 2018-11-09 2018-11-09 A kind of cutoff valve with high sealing performance

Publications (1)

Publication Number Publication Date
CN208967051U true CN208967051U (en) 2019-06-11

Family

ID=66760967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821840539.8U Expired - Fee Related CN208967051U (en) 2018-11-09 2018-11-09 A kind of cutoff valve with high sealing performance

Country Status (1)

Country Link
CN (1) CN208967051U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190611

Termination date: 20191109