CN204004498U - A kind of gate valve - Google Patents
A kind of gate valve Download PDFInfo
- Publication number
- CN204004498U CN204004498U CN201420374639.1U CN201420374639U CN204004498U CN 204004498 U CN204004498 U CN 204004498U CN 201420374639 U CN201420374639 U CN 201420374639U CN 204004498 U CN204004498 U CN 204004498U
- Authority
- CN
- China
- Prior art keywords
- hinged
- baffle plate
- sealing
- plate
- cavity
- 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
Links
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model discloses a kind of gate valve, comprise valve body, valve rod and handwheel, valve rod one end is fixedly connected with handwheel, the other end forms control end, valve body comprises control chamber and cavity, the opening that control chamber is connected with cavity is hinged with two sealing plates, the opening of two sealing plates sliceable sealing control chamber in valve rod moves upward process, every sealing plate connects and composes by intercepter plate and baffle plate slippage, intercepter plate and opening side walls hinged, on baffle plate, be hinged with connecting rod, the other end and the control end of connecting rod are hinged, between two baffle plates, be hinged with two struts, two struts are hinged, the inwall of cavity is provided with groove, baffle plate moves downward in process at valve rod, two connecting rods and two strut distributions triangular in shape, one end and the recess sidewall of baffle plate are conflicted, the conflict end of two baffle plates is equipped with sphenoid surface, one end of cavity is entrance point, the other end is outlet end, it is little that this model utility has friction, the feature of good sealing effect and long service life.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to a kind of gate valve.
Background technique
The open-shut device of gate valve is flashboard, and moving direction and the flow direction of flashboard are perpendicular, and a kind of gate valve can only be made standard-sized sheet and complete shut-down, can not make adjustments and throttling.Flashboard has two sealing surfaces, and two sealing surfaces of the most frequently used pattern gate valve form wedge shape, key groove is different with valve parameter.In pipeline, work that to block a kind of gate valve kind of medium a lot, there are a kind of gate valve of hard seal eccentric and a kind of gate valve of soft seal constant-current type, the sealing of hard a kind of gate valve of sealed constant-current type is metal to metal, phase-contact surface meeting phase mutual friction after long-time use, make to be sealed with certain leakage, the sealing of a kind of gate valve of soft seal constant-current type is metal pair rubber, after long-time use, phase-contact surface can phase mutual friction, sealing can reach zero leakage, graphite circle in prior art valve does not have angle to be equivalent to packing ring, can make graphite extrusion-deformation cause blocking valve seat motion.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of gate valve, has friction little, the feature of good sealing effect and long service life.
For achieving the above object, the utility model provides following technological scheme:
A kind of gate valve, comprise valve body, valve rod and handwheel, described valve rod one end is fixedly connected with handwheel, the other end stretches into formation control end in valve body, described valve body comprises control chamber and for the mobile cavity of fluid, the opening that described control chamber is connected with cavity is hinged with two sealing plates, two sealing plates are sliceable for sealing the opening of control chamber in valve rod moves upward process, every sealing plate connects and composes by intercepter plate and baffle plate slippage, described intercepter plate and opening side walls hinged, on described baffle plate, be hinged with connecting rod, the other end and the control end of described connecting rod are hinged, the length of described two connecting rods has deviation, between described two baffle plates, be hinged with two struts, described two struts are hinged, the position of the relative opening of described cavity is provided with groove, described baffle plate moves downward in process at valve rod, two connecting rods and two strut distributions triangular in shape, baffle plate one end and recess sidewall are conflicted and are formed the end of conflicting, and the conflict end of described two baffle plates is equipped with for competing sphenoid surface, one end of described cavity is entrance point, and the other end is outlet end.
By adopting technique scheme, fluid enters from the entrance point of cavity, flowing out from outlet end, need to end fluid time, rotating handwheel moves downward valve rod, the sealing plate of the opening of splicing sealing control chamber is connected with control end by connecting rod, make sealing plate inconsistent with the sidewall of groove, complete the process that cut-off is flowed out, sealing plate is by ending plate and baffle plate forms, cut-off plate and baffle plate relative slippage along with moving up and down of valve rod, reduce the size of opening, the length of two connecting rods has deviation, two sphenoid surface face to face can better be conflicted, sealing effect is better, between two baffle plates, be hinged with two struts, valve rod moves downward, two baffle plates disperse cut-off fluid under the effect of connecting rod, two struts be straight line and with two connecting rod distributions triangular in shape, impel baffle plate and groove to conflict tightr, therefore, it is little that this model utility has friction, the feature of good sealing effect and long service life.
The utility model is further set to: on described intercepter plate, offer T-shaped groove, on described baffle plate, roll and be connected with the roller bearing for being dynamically connected with T-shaped trough roller, the shaft section of described roller bearing is T-shaped setting.
By adopting technique scheme, on intercepter plate, offer T-shaped groove, baffle plate is provided with the roller bearing matching with T-shaped groove, and roller bearing is T-shaped setting and is dynamically connected in T trough roller, on the one hand, baffle plate coordinates cut-off fluid during with intercepter plate, both separate, and on the other hand, rolling to be connected with reduces friction, make baffle plate and more easily relative slippage of intercepter plate, increase both working life simultaneously.
The utility model is further set to: on described two sphenoid surface, all connect the seal ring of being made up of rubber material.
By adopting technique scheme, the seal ring of being made by rubber material connecting on sphenoid surface, can either in the time of two baffle plate splicings, play buffer function, can play again the effect of sealing, place fluid and enter in control chamber in cavity, thereby play the position outflow that prevents that fluid from contacting with valve body from valve rod.
The utility model is further set to: on the sidewall of described groove, be connected with rubber pad.
By adopting technique scheme, the rubber pad connecting on the sidewall of groove is for conflicting for baffle plate, the effect of playing buffering with avoid baffle plate directly contact and produce friction with the sidewall of groove, this structure can play the feature of long-time guarantee good sealing effect.
Brief description of the drawings
Fig. 1 is a kind of gate valve embodiment's of the utility model schematic diagram;
Fig. 2 is a kind of gate valve embodiment's of the utility model sealing plate schematic diagram;
Fig. 3 is the enlarged view at A place in Fig. 1 of a kind of gate valve embodiment of the utility model.
In figure: 1, valve body; 11, control chamber; 12, cavity; 121, entrance point; 122, outlet end; 13, opening; 2, valve rod, 21, control end; 3, handwheel; 4, sealing plate; 41, intercepter plate; 411, T-shaped groove; 42, plate washer; 421, roller bearing; 422, sphenoid surface; 5, connecting rod; 6, groove; 7, seal ring; 8, rubber pad; 9, strut.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of gate valve embodiment of the utility model is described further.
A kind of gate valve, comprise valve body 1, valve rod 2 and handwheel 3, described valve rod 2 one end are fixedly connected with handwheel 3, the other end stretches into the interior formation control end 21 of valve body 1, described valve body 1 comprises control chamber 11 and for the mobile cavity 12 of fluid, the opening 13 that described control chamber 11 is connected with cavity 12 is hinged with two sealing plates 4, two sealing plates 4 are sliceable for sealing the opening 13 of control chamber 11 in valve rod 2 moves upward process, every sealing plate 4 connects and composes by intercepter plate 41 and baffle plate 42 slippages, described intercepter plate 41 is side walls hinged with opening 13, on described baffle plate 42, be hinged with connecting rod 5, the other end of described connecting rod 5 and control end 21 are hinged, the length of described two connecting rods 5 has deviation, between described two baffle plates 42, be hinged with two struts 9, described two struts 9 are hinged, the position of described cavity 12 relative openings 13 is provided with groove 6, described baffle plate 42 moves downward in process at valve rod 2, two connecting rods 5 on same straight line and with two strut 9 distributions triangular in shape, baffle plate 42 one end and groove 6 sidewalls are conflicted and are formed the end of conflicting, the conflict end of described two baffle plates 42 is equipped with for competing sphenoid surface 422, one end of described cavity 12 is entrance point 121, and the other end is outlet end 122.Fluid enters from the entrance point 121 of cavity 12, flowing out from outlet end 122, need to end fluid time, rotating handwheel 3 moves downward valve rod 2, the sealing plate 4 of the opening 13 of splicing sealing control chamber 11 is connected with control end 21 by connecting rod 5, make sealing plate 4 inconsistent with the sidewall of groove 6, complete the process that cut-off is flowed out, sealing plate 4 is made up of cut-off plate and baffle plate 42, cut-off plate and baffle plate 42 moving up and down and relative slippage along with valve rod 2, reduce the size of opening 13, the length of two connecting rods 5 has deviation, two sphenoid surface 422 face to face can better be conflicted, sealing effect is better, between two baffle plates 42, be hinged with two struts 9, valve rod 2 moves downward, two baffle plates 42 disperse cut-off fluid under the effect of connecting rod 5, two struts 9 be straight line and with two connecting rod 5 distributions triangular in shape, impel baffle plate 42 and groove 6 to conflict tightr, therefore, it is little that this model utility has friction, the feature of good sealing effect and long service life.
On described intercepter plate 41, offer T-shaped groove 411, on described baffle plate 42, roll be connected with for T-shaped groove 411 roller bearing 421 being connected that rolls, the shaft section of described roller bearing 421 is T-shaped setting.On intercepter plate 41, offer T-shaped groove 411, baffle plate 42 is provided with the roller bearing 421 matching with T-shaped groove 411, roller bearing 421 is T-shaped setting and is dynamically connected in T trough roller, on the one hand, baffle plate 42 coordinates cut-off fluid during with intercepter plate 41, both separate, on the other hand, rolling is connected with and reduces friction, and makes baffle plate 42 and more easily relative slippage of intercepter plate 41, increases both working life simultaneously.
On described two sphenoid surface 422, all connect the seal ring 7 of being made by rubber material.The seal ring of being made by rubber material 7 connecting on sphenoid surface 422, can either in the time that splicing, play on two baffle plates 42 buffer function, can play again the effect of sealing, place fluid and enter in control chamber 11 in cavity 12, thereby play the position outflow that prevents that fluid from contacting with valve body 1 from valve rod 2.
On the sidewall of described groove 6, be connected with rubber pad 8.The rubber pad 8 connecting on the sidewall of groove 6 is for conflicting for baffle plate 42, the effect of playing buffering with avoid baffle plate 42 directly contact and produce friction with the sidewall of groove 6, this structure can play the feature of long-time guarantee good sealing effect.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a gate valve, comprise valve body, valve rod and handwheel, described valve rod one end is fixedly connected with handwheel, the other end stretches into formation control end in valve body, it is characterized in that: described valve body comprises control chamber and for the mobile cavity of fluid, the opening that described control chamber is connected with cavity is hinged with two sealing plates, two sealing plates are sliceable for sealing the opening of control chamber in valve rod moves upward process, every sealing plate connects and composes by intercepter plate and baffle plate slippage, described intercepter plate and opening side walls hinged, on described baffle plate, be hinged with connecting rod, the other end and the control end of described connecting rod are hinged, the length of described two connecting rods has deviation,
Between described two baffle plates, be hinged with two struts, described two struts are hinged, the position of the relative opening of described cavity is provided with groove, described baffle plate moves downward in process at valve rod, two connecting rods and two strut distributions triangular in shape, baffle plate one end and recess sidewall are conflicted and are formed the end of conflicting, and the conflict end of described two baffle plates is equipped with for competing sphenoid surface, one end of described cavity is entrance point, and the other end is outlet end.
2. a kind of gate valve according to claim 1, is characterized in that: on described intercepter plate, offer T-shaped groove, on described baffle plate, roll and be connected with the roller bearing for being dynamically connected with T-shaped trough roller, the shaft section of described roller bearing is T-shaped setting.
3. a kind of gate valve according to claim 1 and 2, is characterized in that: on described two sphenoid surface, all connect the seal ring of being made up of rubber material.
4. a kind of gate valve according to claim 3, is characterized in that: on the sidewall of described groove, be connected with rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374639.1U CN204004498U (en) | 2014-07-05 | 2014-07-05 | A kind of gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420374639.1U CN204004498U (en) | 2014-07-05 | 2014-07-05 | A kind of gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004498U true CN204004498U (en) | 2014-12-10 |
Family
ID=52044501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420374639.1U Expired - Fee Related CN204004498U (en) | 2014-07-05 | 2014-07-05 | A kind of gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004498U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151560A (en) * | 2015-03-30 | 2016-11-23 | 天津市易泰柯自动控制设备有限公司 | A kind of wedge action valve |
| CN109882604A (en) * | 2019-03-20 | 2019-06-14 | 李珊 | A kind of resistance to sheet erosion flat gate valve |
| CN110513499A (en) * | 2019-07-27 | 2019-11-29 | 商丘师范学院 | A kind of flashboard and its gate valve reducing difficulty of processing |
| CN112483672A (en) * | 2020-11-16 | 2021-03-12 | 杭州春江阀门有限公司 | High-performance gate valve |
-
2014
- 2014-07-05 CN CN201420374639.1U patent/CN204004498U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151560A (en) * | 2015-03-30 | 2016-11-23 | 天津市易泰柯自动控制设备有限公司 | A kind of wedge action valve |
| CN106151560B (en) * | 2015-03-30 | 2018-08-21 | 浙江标盛阀门制造有限公司 | A kind of wedge action valve |
| CN109882604A (en) * | 2019-03-20 | 2019-06-14 | 李珊 | A kind of resistance to sheet erosion flat gate valve |
| CN110513499A (en) * | 2019-07-27 | 2019-11-29 | 商丘师范学院 | A kind of flashboard and its gate valve reducing difficulty of processing |
| CN112483672A (en) * | 2020-11-16 | 2021-03-12 | 杭州春江阀门有限公司 | High-performance gate valve |
| CN112483672B (en) * | 2020-11-16 | 2022-09-13 | 杭州春江阀门有限公司 | High-performance gate valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204004498U (en) | A kind of gate valve | |
| CN205824232U (en) | The pneumatic moushroom valve of reciprocating swing type | |
| CN204004483U (en) | Gate valve | |
| CN202252053U (en) | Sand-proof flat valve | |
| CN103317714A (en) | Pressure roller used for preparing PET matte board | |
| CN204828712U (en) | Stop valve | |
| CN204620083U (en) | With the roll squeezer bearing block of cooling system | |
| CN104265909A (en) | Novel needle type stop valve | |
| CN204436924U (en) | A kind of miniature one-way speed-regulating valve | |
| CN104801395A (en) | Rolling machine bearing seat with cooling system | |
| CN206429730U (en) | A kind of boiler magnetic valve that intercepts water | |
| CN203516949U (en) | Valve controlling under-liquid fluid | |
| CN205026127U (en) | Sealed section of thick bamboo valve that revolves | |
| CN207329626U (en) | Self-adjustable conveyer belt lubricating arrangement | |
| CN204961861U (en) | Stop valve | |
| CN203743540U (en) | Self-operated differential pressure control valve | |
| CN204083278U (en) | The anti-wear wafer type butterfly valve of locate mode | |
| CN204942646U (en) | Can be used for the stop valve of non-return | |
| CN203963046U (en) | The just round sealing surface Bidirectional pressure butterfly valve of one | |
| CN208743641U (en) | A kind of horizontal centrifugal casting machine anti-deviation device | |
| CN204312711U (en) | A kind of stop valve | |
| CN203963045U (en) | A kind of novel four eccentric elliptic sealing surface Bidirectional pressure butterfly valves | |
| CN207621394U (en) | A kind of gate valve | |
| CN203604680U (en) | Flat gate valve easy to open and close | |
| CN208373842U (en) | Roller (guide) apron on the inside of De-scaling box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150705 |
|
| EXPY | Termination of patent right or utility model |