CN206439424U - A kind of gate valve - Google Patents

A kind of gate valve Download PDF

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Publication number
CN206439424U
CN206439424U CN201720015704.5U CN201720015704U CN206439424U CN 206439424 U CN206439424 U CN 206439424U CN 201720015704 U CN201720015704 U CN 201720015704U CN 206439424 U CN206439424 U CN 206439424U
Authority
CN
China
Prior art keywords
bonnet
valve body
handwheel
lower ending
ending opening
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
CN201720015704.5U
Other languages
Chinese (zh)
Inventor
方丹华
丁安飞
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.)
Zhejiang Huifeng Valve Co Ltd
Original Assignee
Zhejiang Huifeng 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 Zhejiang Huifeng Valve Co Ltd filed Critical Zhejiang Huifeng Valve Co Ltd
Priority to CN201720015704.5U priority Critical patent/CN206439424U/en
Application granted granted Critical
Publication of CN206439424U publication Critical patent/CN206439424U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of gate valve, including valve body, bonnet, and handwheel, valve body is fixedly connected with bonnet, the upper end of bonnet is provided with handwheel, the inner chamber of valve body is provided with flashboard, screw mandrel is provided with the middle part of the inner chamber of valve body, the upper end of screw mandrel is located at the embedded middle part of bonnet and the upper end of screw mandrel and passes through connection ring connection rotating shaft, the outside of connection ring is provided with locking cap, the upper end of rotating shaft is run through the opening of bonnet upper end and is fixedly connected with the hand wheel, the present apparatus increases the lower ending opening of bonnet, and sealing plate is provided with the lower ending opening of bonnet, the lower ending opening and sealing plate of bonnet form a notch, add the contact area of ridge, so that present apparatus high voltage performance is more preferably, pass through annular briquetting at the lower ending opening of bonnet, L-type limiting plate, fix bar and contiguous block firmly connect valve body and bonnet, so that valve body and bonnet will not delaminations, prevent the leakage of material, reduce the waste of resource.

Description

A kind of gate valve
Technical field
The utility model is related to valve correlative technology field, specially a kind of gate valve.
Background technology
Gate valve is an opening and closing element flashboard, and the direction of motion and flow direction of flashboard are perpendicular, gate valve can only make standard-sized sheet and Fully closed, when gate valve is closed, sealing surface can rely only on pressure medium to seal, that is, rely only on pressure medium by the sealing surface of flashboard The valve seat of opposite side is pressed to ensure the sealing of sealing surface, here it is self sealss, while gate valve can be widely used for conduct on pipeline Regulation and cut-off equipment are used, and it is unstable that existing gate valve can have leakage fracture separation etc. at impacting with high pressure valve body with bonnet Problem, also results in material leakage, causes the waste of resource.
Utility model content
The purpose of this utility model is to provide a kind of gate valve, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme:A kind of gate valve, including valve body, bonnet and hand Wheel, valve body is fixedly connected with bonnet, and the upper end of bonnet is provided with handwheel, and the inner chamber of the valve body is provided with flashboard, the inner chamber of valve body Portion is provided with screw mandrel, and the upper end of screw mandrel is located at the inner chamber middle part of bonnet and the upper end of screw mandrel and passes through connection ring connection rotating shaft, connection ring Outside be provided with locking cap, the upper end of the rotating shaft through bonnet upper end opening and be fixedly connected with the hand wheel, on the bonnet It is provided with the opening at end in hexagonal nuts, opening and is provided with copper band, the lower section of copper band is provided with airtight and watertight padding, and copper band and airtight and watertight padding are equal Positioned at the outside of rotating shaft;
The lower end of the bonnet is provided with sealing plate, lower ending opening and sealing plate one notch of formation, notch size of bonnet It is corresponding with valve body upper end open, and screw thread is provided with notch, the lower ending opening inner cavity top society of bonnet is fluted, is provided with groove Annular briquetting, one end downside of the upper end laminating L-type limiting plate of annular briquetting, one end upper side of L-type limiting plate passes through again The inner cavity top of position spring connecting groove, the lower ending opening side wall of bonnet is provided with dead slot, and the other end insertion of L-type limiting plate is empty Contact in groove and with the fix bar in dead slot, one end of fix bar is fixedly connected through dead slot and with contiguous block, and contiguous block is located at The outside of bonnet.
It is preferred that, the middle part of the handwheel is fixedly connected by hex nut with the upper end of rotating shaft, and hex nut is located at hand The upper center of wheel, and the connecting portion of hex nut and handwheel engraves piece provided with annular.
It is preferred that, slot is provided with the outside of the upper end open of the valve body, slot is mutually corresponding with fix bar.
It is preferred that, the fix bar is provided with ring baffle, and ring baffle connects the madial wall of dead slot by spring.
Compared with prior art, the beneficial effects of the utility model are:The utility model increases the lower ending opening of bonnet, And sealing plate is provided with the lower ending opening of bonnet, the lower ending opening and sealing plate of bonnet form a notch, add spiral shell The contact area of line tooth so that present apparatus high voltage performance more preferably, is limited at the lower ending opening of bonnet by annular briquetting, L-type Position plate, fix bar and contiguous block firmly connect valve body and bonnet so that valve body and bonnet will not delaminations, it is therefore prevented that material Leakage, reduce the waste of resource, weak point of the prior art solved well.
Brief description of the drawings
Fig. 1 is the utility model structural profile schematic diagram;
Fig. 2 is structure enlarged diagram at this practical A.
In figure:Valve body 1, flashboard 2, bonnet 3, sealing plate 31, annular briquetting 32, L-type limiting plate 33, dead slot 34, fix bar 35th, ring baffle 351, contiguous block 36, screw mandrel 4, locking cap 5, hexagonal nuts 6, copper band 7, airtight and watertight padding 71, handwheel 8, inscription piece 81, Hex nut 82.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme:A kind of gate valve, including valve body 1, bonnet 3 and hand Wheel 8, valve body 1 is fixedly connected with bonnet 3, and the upper end of bonnet 3 is provided with handwheel 8, and the inner chamber of valve body 1 is provided with flashboard 2, and flashboard 2 is lock The opening and closing element of valve, the direction of motion and flow direction of flashboard 2 is perpendicular, is provided with screw mandrel 4 in the middle part of the inner chamber of valve body 1, screw mandrel 4 it is upper End is located at the inner chamber middle part of bonnet 3 and the upper end of screw mandrel 4 is by connection ring connection rotating shaft, and the outside of connection ring is provided with locking cap 5, The upper end of rotating shaft through the upper end of bonnet 3 opening and be fixedly connected with handwheel 8, the middle part of handwheel 8 is by hex nut 82 with turning The upper end of axle is fixedly connected, and hex nut 82 is located at the upper center of handwheel 8, and the connecting portion of hex nut 82 and handwheel 8 is set Have to be provided with hexagonal nuts 6, opening at annular inscription piece 81, the opening of the upper end of bonnet 3 and be provided with copper band 7, the lower section of copper band 7 is provided with sealing Filler 71, and copper band 7 and airtight and watertight padding 71 are respectively positioned on the outside of rotating shaft.
The lower end of bonnet 3 is provided with sealing plate 31, and lower ending opening and one notch of formation of sealing plate 31 of bonnet 3, notch are big It is small corresponding with the upper end open of valve body 1, and screw thread is provided with notch, the lower ending opening inner cavity top of bonnet 3 is provided with groove, groove Provided with annular briquetting 32, one end downside of the upper end laminating L-type limiting plate 33 of annular briquetting 32, one end of L-type limiting plate 33 Upper side is by the inner cavity top of back-moving spring connecting groove, and the lower ending opening side wall of bonnet 3 is provided with dead slot 34, and L-type is spacing Contact in the other end insertion dead slot 34 of plate 33 and with the fix bar 35 in dead slot 34, dead slot 34 is run through simultaneously in one end of fix bar 35 It is fixedly connected with contiguous block 36, contiguous block 36 is located at the outside of bonnet 3, fix bar 35 is provided with ring baffle 351, ring baffle 351 are connected on the outside of the madial wall of dead slot 34, the upper end open of valve body 1 by spring provided with slot, and slot and fix bar 35 are mutual Correspondence, is firmly connected valve body 1 and bonnet 3 by annular briquetting 32, L-type limiting plate 33, fix bar 35 and contiguous block 36 so that Valve body 1 and bonnet 3 will not delaminations.
When valve body 1 and bonnet 3 are connected, the upper end open of valve body 1 is threaded into lower ending opening and the sealing of bonnet 3 In the notch of the formation of plate 31, the annular briquetting 32 on notch inner chamber top is headed into groove, makes annular briquetting 32 by L-type limiting plate 33 jack-up, make L-type limiting plate 33 obtain the other end and are detached out of dead slot 34 on the lower ending opening of bonnet 3 so that in dead slot 34 Fix bar 35 is inserted in the slot at the upper end open of valve body 1 under the action of the spring, and valve body 1 and bonnet 3 are firmly connected, work as valve When body 1 and the dismounting of bonnet 3, fix bar 35 can be detached out of valve body 1 by contiguous block 36.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of gate valve, including valve body (1), bonnet (3) and handwheel (8), valve body (1) are fixedly connected with bonnet (3), bonnet (3) Upper end be provided with handwheel (8), it is characterised in that:The inner chamber of the valve body (1) is provided with the middle part of flashboard (2), the inner chamber of valve body (1) and set There is screw mandrel (4), the upper end of screw mandrel (4) is located at the inner chamber middle part of bonnet (3) and the upper end of screw mandrel (4) and passes through connection ring connection and turn Axle, the outside of connection ring is provided with locking cap (5), and the upper end of the rotating shaft is run through the opening of bonnet (3) upper end and consolidated with handwheel (8) It is provided with fixed connection, the opening of bonnet (3) upper end in hexagonal nuts (6), opening and is provided with copper band (7), copper band is set below (7) There is airtight and watertight padding (71), and copper band (7) and airtight and watertight padding (71) are respectively positioned on the outside of rotating shaft;
The lower end of the bonnet (3) is provided with sealing plate (31), lower ending opening and sealing plate (31) one groove of formation of bonnet (3) Mouthful, notch size is corresponding with valve body (1) upper end open, and screw thread is provided with notch, and the lower ending opening inner cavity top of bonnet (3) is set It is fluted, provided with annular briquetting (32) in groove, on the downside of one end of the upper end laminating L-type limiting plate (33) of annular briquetting (32) Face, one end upper side of L-type limiting plate (33) passes through the inner cavity top of back-moving spring connecting groove, the lower ending opening of bonnet (3) Side wall be provided with dead slot (34), other end insertion dead slot (34) of L-type limiting plate (33) and with the fix bar in dead slot (34) (35) contact, one end of fix bar (35) is fixedly connected through dead slot (34) and with contiguous block (36), and contiguous block (36) is located at valve The outside of cap (3).
2. a kind of gate valve according to claim 1, it is characterised in that:The middle part of the handwheel (8) passes through hex nut (82) it is fixedly connected with the upper end of rotating shaft, hex nut (82) is located at the upper center of handwheel (8), and hex nut (82) and hand The connecting portion of (8) is taken turns provided with annular inscription piece (81).
3. a kind of gate valve according to claim 1, it is characterised in that:Provided with slotting on the outside of the upper end open of the valve body (1) Groove, slot is mutually corresponding with fix bar (35).
4. a kind of gate valve according to claim 1, it is characterised in that:The fix bar (35) is provided with ring baffle (351), ring baffle (351) connects the madial wall of dead slot (34) by spring.
CN201720015704.5U 2017-01-06 2017-01-06 A kind of gate valve Expired - Fee Related CN206439424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720015704.5U CN206439424U (en) 2017-01-06 2017-01-06 A kind of gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720015704.5U CN206439424U (en) 2017-01-06 2017-01-06 A kind of gate valve

Publications (1)

Publication Number Publication Date
CN206439424U true CN206439424U (en) 2017-08-25

Family

ID=59643291

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720015704.5U Expired - Fee Related CN206439424U (en) 2017-01-06 2017-01-06 A kind of gate valve

Country Status (1)

Country Link
CN (1) CN206439424U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113280139A (en) * 2021-04-21 2021-08-20 江苏腾龙石化机械有限公司 Anti-blocking petroleum valve
CN117685383A (en) * 2024-02-04 2024-03-12 什邡慧丰采油机械有限责任公司 175MPa high pressure resistant flat valve capable of being opened and closed rapidly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113280139A (en) * 2021-04-21 2021-08-20 江苏腾龙石化机械有限公司 Anti-blocking petroleum valve
CN117685383A (en) * 2024-02-04 2024-03-12 什邡慧丰采油机械有限责任公司 175MPa high pressure resistant flat valve capable of being opened and closed rapidly
CN117685383B (en) * 2024-02-04 2024-04-09 什邡慧丰采油机械有限责任公司 175MPa high pressure resistant flat valve capable of being opened and closed rapidly

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170825

Termination date: 20220106

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