CN204459295U - There is the gate-valve device of non-return structure - Google Patents
There is the gate-valve device of non-return structure Download PDFInfo
- Publication number
- CN204459295U CN204459295U CN201520029995.4U CN201520029995U CN204459295U CN 204459295 U CN204459295 U CN 204459295U CN 201520029995 U CN201520029995 U CN 201520029995U CN 204459295 U CN204459295 U CN 204459295U
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- CN
- China
- Prior art keywords
- valve
- gate
- return structure
- liquid outlet
- combined mouth
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- Expired - Fee Related
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- Lift Valve (AREA)
Abstract
The utility model discloses a kind of gate-valve device with non-return structure, comprise valve body, valve gap and operation equipment, valve body comprises valve seat, valve rod and flashboard; Valve seat has a liquid entering hole, at least one liquid outlet, a combined mouth and one and the groove that is oppositely arranged of combined mouth, liquid entering hole and liquid outlet form runner, the passage for ram movement is formed between combined mouth and groove, operation equipment, valve rod and flashboard connect from top to down successively, flashboard is communicated with in passage upper and lower displacement or blocks runner, and valve gap is covered on the combined mouth of valve seat, operation equipment stretches out in valve gap top; The tube wall of liquid outlet is provided with a non-return structure; Non-return structure comprise the slot being opened in liquid outlet tube wall, the plate can planted in slot, coated plate rubber parts and the pressing member that plate moves up and down can be pressed; Pressing member pressing plate, plate struts rubber parts shutoff liquid outlet downwards; By said structure, the utility model gate valve has Gate-Controlled Switch concurrently and prevents liquid countercurrent dual functions.
Description
Technical field
The utility model relates to a kind of gate valve, refers in particular to a kind of gate-valve device with non-return structure.
Background technique
Existing liquid guide flow all can utilize pipeline to carry out, but because be not constant conduction state in water conservancy diversion process, generally all can open in good time or close, so pipeline can be equiped with the valve member of control switch, as gate valve etc.Such as, the living space of existing household etc., water supply or the sewage diversion pipeline of many can be equiped with in wall, and it supplies water or the diversion pipeline of sewage likely can conducting under unexpected state, as supply channel lack of water, reverse generation siphon sucks sewage, cause clean water source and sewage mixed flow and contaminated, so supply channel is except installing the valve member of control switch, check equipment is also required.
And gate valve is on the market the valve member of simple control switch, or prevent merely the valve member of adverse current, each valve member all has the connected structure in conjunction with pipe fitting, and connected structure occupies volume and the material of a large amount of valve member; Buy switch valve member and non-return valve member respectively, cost is higher, and using tool assemble in conjunction with needing during pipe fitting, assembling formality is numerous and diverse and consuming time.
In view of this, the design people does not attain perfect caused many disappearances and inconvenience in the design of above-mentioned gate valve structure, and deeply conceives, and active research improvement has a fling at and development and Design goes out this case.
Model utility content
The purpose of this utility model is to provide a kind of gate-valve device with non-return structure, and it has Gate-Controlled Switch concurrently and prevents liquid countercurrent dual functions.
In order to reach above-mentioned purpose, solution of the present utility model is:
Have a gate-valve device for non-return structure, it includes valve body, valve gap and operation equipment, and described valve body includes valve seat, valve rod and flashboard; Described valve seat has a liquid entering hole, at least one liquid outlet, a combined mouth and one and the groove that is oppositely arranged of combined mouth, described liquid entering hole and liquid outlet form runner, the passage for ram movement is formed between described combined mouth and groove, described operation equipment, valve rod and flashboard connect from top to down successively, described flashboard is communicated with in passage upper and lower displacement or blocks runner, and described valve gap is covered on the combined mouth of valve seat, described operation equipment stretches out in valve gap top; The tube wall of described liquid outlet is provided with a non-return structure; Described non-return structure include the slot being opened in liquid outlet tube wall, the plate can planted in slot, coated plate rubber parts and the pressing member that plate moves up and down can be pressed; Described pressing member pressing plate, described plate inserts liquid outlet body, and struts rubber parts shutoff liquid outlet.
Described pressing member is telescoping rod, and two rod members rotate flexible mutually.
Described rubber parts forms the bump that tube wall is pressed into contact.
Described slot is provided with Sealing.
Described Sealing and rubber parts one-body molded.
Institute is set forth in outside liquid outlet tube wall and is combined with a cover plate, and described cover plate covers slot.
The inwall of described combined mouth forms internal thread, and combined mouth flange forms multiple screw; Described flashboard outer wall forms the outside thread matched with the internal thread of combined mouth, and the corresponding described screw of described valve gap arranges multiple through hole, is fixed on valve seat by multiple nut lock.
Described combined mouth tube wall offers a gas port.
Described combined mouth is positioned at below valve gap and arranges a cushion pad.
The described gate-valve device with non-return structure also includes one and has flexible filtration, and offer a deep gouge bottom described flashboard, the bottom land of deep gouge is fixed in described filtration one end, and the other end is fixed on the bottom land that groove adjoins liquid entering hole one end.
After adopting said structure, the utility model has the gate-valve device of non-return structure, and wherein switch control rule valve member and non-return valve member are combined on a valve member; This valve rod can drive ram movement, can open or close runner, i.e. controllable flow road switch; By pressing pressing member, described pressing member drives plate to move down, and namely the softened distortion of described rubber parts is with shutoff liquid outlet, and described non-return structure can close liquid outlet further, avoids liquid countercurrent, can reach non-return effect; The utility model gate valve has switch control functions and prevents the dual functions of adverse current, and more cost-saving, lightweight material saving and assembling are more convenient fast in making.
Accompanying drawing explanation
Fig. 1 is the generalized section that the utility model has the gate-valve device closed condition of non-return structure;
Fig. 2 is the generalized section that the utility model has the gate-valve device opening state of non-return structure.
Symbol description
Valve body 1 valve gap 2 operation equipment 3
Valve seat 11 valve rod 12 flashboard 13
Liquid entering hole 14 liquid outlet 15 combined mouth 16
Groove 17 non-return structure 4 slot 41
Plate 42 rubber parts 43 pressing member 44
Bump 431 Sealing 45 cover plate 46
Internal thread 161 screw 162 outside thread 131
Through hole 21 nut 5 cushion pad 164
Deep gouge 132 filtration 6.
Embodiment
In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.
Refer to Fig. 1, Fig. 2, the utility model discloses a kind of gate-valve device with non-return structure, includes valve body 1, valve gap 2 and operation equipment 3, and described valve body 1 includes valve seat 11, valve rod 12 and flashboard 13; Described valve seat 11 has a liquid entering hole 14, at least one liquid outlet 15, combined mouth 16 and one and the groove 17 that is oppositely arranged of combined mouth 16, described liquid entering hole 14, liquid outlet 15 groups of jointed tubular workpieces, described liquid entering hole 14 forms runner with liquid outlet 15, the passage moved for flashboard 13 is formed between described combined mouth 16 and groove 17, described operation equipment 3, valve rod 12 and flashboard 13 connect from top to down successively, described flashboard 13 is communicated with in passage upper and lower displacement or blocks runner, and described valve gap 2 is covered on the combined mouth 16 of valve seat 1, described operation equipment 3 stretches out in valve gap 2 top; The tube wall of described liquid outlet 15 is provided with a non-return structure 4; Described non-return structure 4 includes the slot 41 being opened in liquid outlet tube wall, the rubber parts 43 can planting plate 42 in slot 41 and coated plate 42 and can press the pressing member 44 that plate 42 moves up and down; Described pressing member 44 presses plate 42, and described plate 42 inserts liquid outlet 15 body, and struts rubber parts 43 shutoff liquid outlet 15.
The utility model has the gate-valve device of non-return structure, and wherein switch control rule valve member and non-return valve member are combined on a valve member; This valve rod 12 can drive flashboard 13 to move, and can open or close runner, i.e. controllable flow road switch; By pressing pressing member 44, described pressing member 44 drives plate 42 to move down, and namely the softened distortion of described rubber parts 43 is with shutoff liquid outlet 15, and described non-return structure 4 can close liquid outlet further, avoids liquid countercurrent, can reach non-return effect; The utility model gate valve has switch control functions and prevents the dual functions of adverse current, and more cost-saving, lightweight material saving and assembling are more convenient fast in making.
The pressing member 44 that the utility model has the gate-valve device of non-return structure is telescoping rod, and two rod members rotate flexible mutually, namely scalable described telescoping rod moves down to drive plate 42, and described rubber parts 43 can strut shutoff liquid outlet, to reach non-return effect; And described rubber parts 43 forms the bump 431 that tube wall is pressed into contact, described bump 431 can make the effect of the stifled liquid outlets of rubber parts envelope 43 better.
The slot 41 that the utility model has the gate-valve device of non-return structure is provided with Sealing 45, and salable slot 41, avoids liquid to flow out; And described Sealing 45 is one-body molded with rubber parts 43, manufactures more convenient.
The gate-valve device that the utility model has non-return structure is combined with a cover plate 46 outside liquid outlet 15 tube wall, and described cover plate 46 covers slot 41; Plate 42, rubber parts 42 all can be locked in slot 41.
The inwall that the utility model has the combined mouth 16 of the gate-valve device of non-return structure forms internal thread 161, and combined mouth 16 flange 162 forms multiple screw 163; Described flashboard 13 outer wall forms the outside thread 131 matched with the internal thread 161 of combined mouth 16, and the corresponding described screw 163 of described valve gap 2 arranges multiple through hole 21, is locked on valve seat 11 by multiple nut 5.
Combined mouth 16 tube wall that the utility model has a gate-valve device of non-return structure offers a gas port (not looking in figure), and when this flashboard 13 moves up and down, the gas in described combined mouth 16 passes in and out by gas port, makes combined mouth 16 inside and outside air pressure balance; And be positioned at valve gap 2 lower position in combined mouth 16 one cushion pad 164 is set, when flashboard 13 can be avoided to move up and down, with the mutual friction of valve gap 2 phase, improve the life-span of flashboard 13.
The gate valve that the utility model has a non-return structure also includes one and has flexible filtration 6; a deep gouge 132 is offered bottom described flashboard 13; the bottom land of deep gouge 132 is fixed in described filtration 6 one end, and the other end is fixed on the bottom land that groove 17 adjoins liquid entering hole 14 one end; Or described filtration 6 has three immovable points, be individually fixed in the bottom land two end part of the bottom land of deep gouge 132, groove 17; When opening runner, by rotary operators 3, this valve rod 12 can drive flashboard 13 to move up, and described filtration 6 can be stretched expansion, namely described liquid or gas flow to liquid outlet 15 by filtration 6, and described filtration 6 just can filter the liquid of conveying or gas; When closing runner, described flashboard 13 moves down and shutoff runner, and namely described filtration 6 is compressed between deep gouge 132 and groove 17; The utility model gate-valve device is made to have filtering function.
Above-described embodiment and accompanying drawing non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (10)
1. have a gate-valve device for non-return structure, it is characterized in that: include valve body, valve gap and operation equipment, described valve body includes valve seat, valve rod and flashboard; Described valve seat has a liquid entering hole, at least one liquid outlet, a combined mouth and one and the groove that is oppositely arranged of combined mouth, described liquid entering hole and liquid outlet form runner, the passage for ram movement is formed between described combined mouth and groove, described operation equipment, valve rod and flashboard connect from top to down successively, described flashboard is communicated with in passage upper and lower displacement or blocks runner, and described valve gap is covered on the combined mouth of valve seat, described operation equipment stretches out in valve gap top; The tube wall of described liquid outlet is provided with a non-return structure; Described non-return structure include the slot being opened in liquid outlet tube wall, the plate can planted in slot, coated plate rubber parts and the pressing member that plate moves up and down can be pressed; Described pressing member pressing plate, described plate inserts liquid outlet body, and struts rubber parts shutoff liquid outlet.
2. there is the gate-valve device of non-return structure as claimed in claim 1, it is characterized in that: described pressing member is telescoping rod, and two rod members rotate flexible mutually.
3. there is the gate-valve device of non-return structure as claimed in claim 1 or 2, it is characterized in that: described rubber parts forms the bump that tube wall is pressed into contact.
4. there is the gate-valve device of non-return structure as claimed in claim 3, it is characterized in that: described slot is provided with Sealing.
5. there is the gate-valve device of non-return structure as claimed in claim 4, it is characterized in that: described Sealing and rubber parts one-body molded.
6. there is the gate-valve device of non-return structure as claimed in claim 5, it is characterized in that: institute is set forth in outside liquid outlet tube wall and is combined with a cover plate, and described cover plate covers slot.
7. there is the gate-valve device of non-return structure as claimed in claim 6, it is characterized in that: the inwall of described combined mouth forms internal thread, and combined mouth flange forms multiple screw; Described flashboard outer wall forms the outside thread matched with the internal thread of combined mouth, and the corresponding described screw of described valve gap arranges multiple through hole, is fixed on valve seat by multiple nut lock.
8. there is the gate-valve device of non-return structure as claimed in claim 7, it is characterized in that: described combined mouth tube wall offers a gas port.
9. there is the gate-valve device of non-return structure as claimed in claim 8, it is characterized in that: described combined mouth is positioned at below valve gap and arranges a cushion pad.
10. there is the gate-valve device of non-return structure as claimed in claim 9, it is characterized in that: also include one and there is flexible filtration, offer a deep gouge bottom described flashboard, the bottom land of deep gouge is fixed in described filtration one end, and the other end is fixed on the bottom land that groove adjoins liquid entering hole one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029995.4U CN204459295U (en) | 2015-01-16 | 2015-01-16 | There is the gate-valve device of non-return structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029995.4U CN204459295U (en) | 2015-01-16 | 2015-01-16 | There is the gate-valve device of non-return structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459295U true CN204459295U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520029995.4U Expired - Fee Related CN204459295U (en) | 2015-01-16 | 2015-01-16 | There is the gate-valve device of non-return structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706541A (en) * | 2019-10-23 | 2020-01-17 | 胡越云 | Pressure flow control system training device |
-
2015
- 2015-01-16 CN CN201520029995.4U patent/CN204459295U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110706541A (en) * | 2019-10-23 | 2020-01-17 | 胡越云 | Pressure flow control system training device |
| CN110706541B (en) * | 2019-10-23 | 2021-11-09 | 山东同其工业互联网有限公司 | Pressure flow control system training device |
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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: 20150708 Termination date: 20160116 |
|
| EXPY | Termination of patent right or utility model |