CN208431402U - A kind of wear-resistant sluice valve - Google Patents
A kind of wear-resistant sluice valve Download PDFInfo
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- CN208431402U CN208431402U CN201820837882.0U CN201820837882U CN208431402U CN 208431402 U CN208431402 U CN 208431402U CN 201820837882 U CN201820837882 U CN 201820837882U CN 208431402 U CN208431402 U CN 208431402U
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- wall
- flashboard
- becket
- rubber bushing
- valve body
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Abstract
The utility model relates to a kind of wear-resistant sluice valves, including valve body, flashboard, valve body is equipped with media transport path and the flashboard active tunnel perpendicular to media transport path, flashboard is in the flashboard active tunnel of valve body, the top of valve body connects the operating mechanism that an operation flashboard moves up and down, it is characterized by: being embedded a cricoid rubber bushing in the flashboard active tunnel of the valve body, the becket of one with rubber bushing coaxial arrangement are equipped in the rubber bushing, the inner wall of the becket protrudes from the inner wall of rubber bushing, and the inner wall of the flashboard and becket is in sealing contact；Wear-resisting property is bad between flashboard and valve body to solve the problems, such as existing gate valve.
Description
Technical field
The utility model relates to valve fields, are specifically related to a kind of wear-resistant sluice valve.
Background technique
Gate valve is the control unit in pipe-line transportation system, for controlling the opening and closing of transfer passage.Gate valve generally includes valve
Body, flashboard and the operating mechanism that moves up and down of operation flashboard need to be arranged media transport path and defeated perpendicular to medium on valve body
The flashboard active tunnel in channel is sent, then flashboard in the flashboard active tunnel of valve body, the top attended operation lock of valve body
The operating mechanism that plate moves up and down.
The opening and closing of gate valve is realized by sealing contact between flashboard and valve body, due to existing gate valve valve plate and
Valve body is typically all to be made of metal material, therefore the friction between valve plate and valve body can cause to damage to valve plate and valve body,
To influence its sealing performance.In order to extend its service life, existing solution is usually the heap on valve plate and valve body contact face
It welds wearable hard alloy (such as stellite), to improve its wear-resisting property, but containing some high hard in pumped (conveying) medium
In the case where spending particle, particle can be attached on hard alloy, due to rigidity-rigid contact between valve plate and valve body, attachment
Particle, which can form scratch in hard alloy, influences the use of valve so as to cause the decline of sealing performance.
Utility model content
The utility model is intended to provide a kind of wear-resistant sluice valve, to solve the above problem.
Concrete scheme is as follows:
A kind of wear-resistant sluice valve, including valve body, flashboard, valve body are equipped with media transport path and perpendicular to media transport paths
Flashboard active tunnel, in the flashboard active tunnel of valve body, the top of valve body connects an operation flashboard and moves up and down flashboard
Operating mechanism, a cricoid rubber bushing is embedded in the flashboard active tunnel of the valve body, be equipped in the rubber bushing one with
The becket of rubber bushing coaxial arrangement, the inner wall of the becket protrude from the inner wall of rubber bushing, the flashboard and becket
Inner wall it is in sealing contact.
Further, the inner wall of the rubber bushing is equipped with first annular groove, and the becket is embedded in the first ring
In connected in star.
Further, the annular flange more than first annular groove opening is designed on the outer wall of the becket two sides,
The annular flange is equipped with multiple screw holes, and the becket is by screw locking on the inner wall of rubber bushing.
Further, the inner wall of the rubber bushing has and annular flange phase on the two sides that first annular groove is open
Matched recess.
Further, there is gap between the outer wall of the becket and the bottom of first annular groove.
Further, the inner wall of the becket is in frustum shape, and from upper opening, opening direction gradually subtracts internal diameter down
Small, the flashboard is the wedge shape to match with the inner wall of becket.
Further, the outer lateral edge of the rubber bushing has upper shoulder and lower shoulder, and the valve body is logical in flashboard activity
It is respectively equipped with the second annular groove to match with upper shoulder and lower shoulder on the outer wall and inner wall of road side and third annular is recessed
Slot.
Wear-resistant sluice valve provided by the utility model has the advantage that provided by the utility model compared with prior art
It is realized between the inner wall that the sealing of wear-resistant sluice valve passes through becket on flashboard and rubber bushing, since rubber bushing has one
Fixed elastically-deformable ability, although rigidity-rigid contact between flashboard and becket, but the elastic shape of rubber bushing
Become so that becket has certain buffer capacity, can reduce the particle that is attached on becket or flashboard to becket or
It is damaged caused by person's flashboard, to improve the sealing performance and abrasive resistance of the gate valve.
Detailed description of the invention
Fig. 1 shows the cross-sectional view of gate valve.
Fig. 2 shows the enlarged drawings at A in Fig. 1.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As depicted in figs. 1 and 2, the utility model provides a kind of wear-resistant sluice valve comprising valve body 1, flashboard 2, valve body is set
There are media transport path 10 and the flashboard active tunnel 12 perpendicular to media transport path 10, flashboard 2 is living mounted in the flashboard of valve body
In dynamic channel 12, the top of valve body 1 connects the operating mechanism 3 that an operation flashboard 2 moves up and down.Wherein, operating mechanism 3 includes
A valve is fixedly mounted above flashboard active tunnel 12 in bracket 30, handwheel 32, screw rod 34, rotating nut 36 and flashboard connector 38
Lid 14, the lower end of bracket 30 are fixedly mounted on valve deck 14, and rotating nut 36 is then fixed on the middle part of 30 upper end of bracket, screw rod 34
Across rotating nut 36, the lower end of screw rod 34 passes through affixed flashboard connector 38 after valve deck 14, by filling out between screw rod and valve deck
Material seals to realize, handwheel 32 is connect with the threaded upper ends of screw rod 34, and the upper end of flashboard 2 is fixedly connected with flashboard connector 38,
When handwheel 32 rotates clockwise or counterclockwise, can flashboard 2 be put down or be lifted, thus realize the gate valve closing or
Person opens, and above-mentioned show be manually mode, however, not limited to this, can also using pneumatically, the automatic mode such as surge, example
Such as replace handwheel 32 with motor with rotary screw and realize the closing or unlatching of ceramic gate valve.
It is embedded a cricoid rubber bushing 4 in the flashboard active tunnel 12 of the valve body, is equipped with one in the rubber bushing
The becket 40 being coaxially disposed with rubber bushing 4, the inner wall of the becket 40 protrude from the inner wall of rubber bushing 4, i.e. becket
40 inner round portion protrudes from rubber bushing 4, so that the outer wall of flashboard 2 and the inner wall of becket 40 are in sealing contact, thus real
The sealing of existing valve plate and valve body.Wherein becket has wear-resistant material to be made, such as stellite (cobalt-chromium-tungsten alloy).Therefore valve
It is rigidity-rigid contact between plate 2 and becket 40, but since becket 40 is fixed on rubber bushing 4, gold
Belong to ring 40 has certain buffer capacity again, can reduce the particle being attached on becket or flashboard to becket or lock
It is damaged caused by plate, to improve the sealing performance and abrasive resistance of the gate valve.
Becket 40 can by cohering, screw fixes or directly manufactures during rubber bushing and be placed in becket 40
In the mold of rubber bushing, directly it is integrally formed with rubber bushing.With reference to Fig. 2, in the present embodiment, the rubber bushing it is interior
Wall is equipped with first annular groove 42, and the becket 40 is embedded in first annular groove 42, in order to becket 40
It is mounted on rubber bushing 4.It is wherein preferred, it is designed on the outer wall of 40 two sides of becket more than first annular groove 42
The annular flange 400 of opening, the annular flange 400 are equipped with multiple screw holes 402, and the becket 40 is existed by screw locking
On the inner wall of rubber bushing 4.It is further preferred that the inner wall of the rubber bushing 4 is in the two sides that first annular groove 42 is open
It is upper that there is the recess 420 to match with annular flange 400, in order to the positioning and installation of becket 40.
In the present embodiment, with reference to Fig. 2, have between the outer wall of the becket 40 and the bottom of first annular groove 42
There are a deformation spaces between gap 44, i.e. becket 40 and the bottom of first annular groove 42, when becket 40 is by crowded
When pressure, the deformability of rubber bushing 4 is can be improved in gap 44.
In the present embodiment, with reference to Fig. 2, the inner wall of the becket 40 is in frustum shape, internal diameter from upper opening down
Opening direction is gradually reduced, and the flashboard 2 is the wedge shape to match with the inner wall of becket 40, to increase flashboard 2 and becket
40 contact area improves its sealing performance.
In the present embodiment, with reference to Fig. 2, the outer lateral edge of the rubber bushing 4 has upper shoulder 46 and lower shoulder 48, described
Valve body 1 is respectively equipped with to match with upper shoulder 46 and lower shoulder 48 on the outer wall and inner wall of 12 side of flashboard active tunnel
Second ring groove 102 and third annular groove 104, in order to which rubber bushing 4 is fixedly mounted on valve body.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (7)
1. a kind of wear-resistant sluice valve, it is characterised in that: including valve body, flashboard, valve body is equipped with media transport path and perpendicular to medium
The flashboard active tunnel of transfer passage, for flashboard in the flashboard active tunnel of valve body, the top of valve body connects an operation lock
The operating mechanism that plate moves up and down is embedded a cricoid rubber bushing, the rubber bushing in the flashboard active tunnel of the valve body
It is inside equipped with the becket of one with rubber bushing coaxial arrangement, the inner wall of the becket protrudes from the inner wall of rubber bushing, the lock
The inner wall of plate and becket is in sealing contact.
2. wear-resistant sluice valve according to claim 1, it is characterised in that: the inner wall of the rubber bushing is equipped with first annular
Groove, the becket are embedded in first annular groove.
3. wear-resistant sluice valve according to claim 2, it is characterised in that: be designed on the outer wall of the becket two sides and be more than
The annular flange of first annular groove opening, the annular flange are equipped with multiple screw holes, and the becket passes through screw locking
On the inner wall of rubber bushing.
4. wear-resistant sluice valve according to claim 3, it is characterised in that: the inner wall of the rubber bushing is in first annular groove
There is the recess to match with annular flange on the two sides of opening.
5. wear-resistant sluice valve according to claim 2, it is characterised in that: the outer wall of the becket and first annular groove
There is gap between bottom.
6. wear-resistant sluice valve according to claim 1, it is characterised in that: the inner wall of the becket is in frustum shape, in
From upper opening, opening direction is gradually reduced diameter down, and the flashboard is the wedge shape to match with the inner wall of becket.
7. wear-resistant sluice valve according to claim 1, it is characterised in that: the outer lateral edge of the rubber bushing have upper shoulder and
Lower shoulder, the valve body is respectively equipped on the outer wall and inner wall of flashboard active tunnel side to match with upper shoulder and lower shoulder
Second annular groove and third annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820837882.0U CN208431402U (en) | 2018-05-31 | 2018-05-31 | A kind of wear-resistant sluice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820837882.0U CN208431402U (en) | 2018-05-31 | 2018-05-31 | A kind of wear-resistant sluice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431402U true CN208431402U (en) | 2019-01-25 |
Family
ID=65100681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820837882.0U Active CN208431402U (en) | 2018-05-31 | 2018-05-31 | A kind of wear-resistant sluice valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719038A (en) * | 2022-04-21 | 2022-07-08 | 金博阀门集团股份有限公司 | Gate valve with anti-blocking function |
-
2018
- 2018-05-31 CN CN201820837882.0U patent/CN208431402U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719038A (en) * | 2022-04-21 | 2022-07-08 | 金博阀门集团股份有限公司 | Gate valve with anti-blocking function |
| CN114719038B (en) * | 2022-04-21 | 2024-02-09 | 金博阀门集团股份有限公司 | Gate valve with anti-blocking function |
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