CN206017910U - A kind of double end check-valves - Google Patents
A kind of double end check-valves Download PDFInfo
- Publication number
- CN206017910U CN206017910U CN201620945597.1U CN201620945597U CN206017910U CN 206017910 U CN206017910 U CN 206017910U CN 201620945597 U CN201620945597 U CN 201620945597U CN 206017910 U CN206017910 U CN 206017910U
- Authority
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- China
- Prior art keywords
- fluid stopping
- head
- groove
- valve body
- stopping head
- Prior art date
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Links
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 230000006978 adaptation Effects 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
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- Revetment (AREA)
Abstract
The utility model discloses a kind of double end check-valves, including valve body, the top of the valve body is provided with buckle closure, the bottom of the piston rod is provided with the first fluid stopping head, the inwall top at the mouth of a river is provided with the first adaptation groove, the bottom of the first fluid stopping head is provided with the second fluid stopping head, and the second fluid stopping head is connected with the first fluid stopping head by connecting rod, and the inwall bottom at the mouth of a river is provided with the second adaptation groove.The double end check-valves, by the cooperation of the first fluid stopping head, the first adaptation groove, the second fluid stopping head and the second adaptation groove, clamping pad and card convex improve sealing gasket with buckle closure and the sealing property of valve body junction with the cooperation of draw-in groove, the situation for preventing check-valves from leaking air occurs, first fluid stopping head and the first adaptation groove improve the sealing effectiveness when damming to the mouth of a river with the cooperation of the second fluid stopping head and the second adaptation groove, when actually used, effectively prevent medium from flowing backwards, meet significantly use demand.
Description
Technical field
This utility model is related to valve technology field, specially a kind of double end check-valves.
Background technology
Check-valves are referred to and are flowed and automatic open and close flap by medium itself, for preventing the valve of medium refluence, also known as
Non-return valve, check valve, reflux valve and counterbalance valve, check-valves belong to a kind of automatic valve, and its Main Function is to prevent medium from falling
Stream, pump and drive motor reversion is prevented, and vessel media is released, and in check-valves in the prior art, for example, applies
Number for 201521005428.1 utility model patent, including valve body, the top of valve body is provided with the first suspension ring, sets on the first suspension ring
There are head rod, the first suspension ring to be hinged with one end of head rod, the top spiral shell of the other end of head rod and valve body
Stricture of vagina coordinates, and the both sides of valve body are equipped with the second suspension ring, and the second suspension ring are provided with the second connecting rod, although the patent can reduce stopping
Valve rocking during transport is returned, but when actually used, prevent medium from flowing backwards effect is poor, it is impossible to meet use demand.
Utility model content
The purpose of this utility model is to provide a kind of double end check-valves, with solve in above-mentioned background technology propose ask
Topic.
For achieving the above object, this utility model provides following technical scheme:A kind of double end check-valves, including valve body, institute
The top for stating valve body is provided with buckle closure, is provided with the mouth of a river at the inside center of the valve body, and the inner tip of the valve body is provided with sealing
Head, the buckle closure are connected with seal head by standing screw, and the buckle closure is provided with sealing gasket with the junction of seal head, described close
The outside left and right two ends of packing are equipped with the top left and right sides of card convex, the bottom left and right sides of the buckle closure and seal head and are all provided with
There is draw-in groove, the draw-in groove is engaged with card convex, clamping pad is provided with the outside of the sealing gasket, at the bottom center of the seal head
Piston rod is provided with, the bottom of the piston rod is provided with the first fluid stopping head, and the inwall top at the mouth of a river is provided with the first adaptation groove,
The first fluid stopping head is engaged with the first adaptation groove, and the bottom of the first fluid stopping head is provided with the second fluid stopping head, and described second
Fluid stopping head is connected with the first fluid stopping head by connecting rod, and the inwall bottom at the mouth of a river is provided with the second adaptation groove, and described second stops
Stream head is engaged with the second adaptation groove.
Preferably, the outer wall of the first fluid stopping head and the second fluid stopping head is equipped with ripple rib groove, first adaptation groove and
The inwall of the second adaptation groove is mounted on rubber pad, and the inwall of the rubber pad is provided with ripple rib pad, the ripple rib pad and ripple
Rib groove is engaged.
Preferably, water jet-bedding is provided with the outside of the top of the first fluid stopping head.
Preferably, the seal head is provided with girth member with the junction of valve body.
Preferably, the top circumference of the seal head is provided with sealing ring.
Compared with prior art, the beneficial effects of the utility model are:The double end check-valves, by the first fluid stopping head,
The cooperation of the cooperation of one adaptation groove, the second fluid stopping head and the second adaptation groove, clamping pad and card convex and draw-in groove improve sealing gasket with
Buckle closure and the sealing property of valve body junction, the situation for preventing check-valves from leaking air occur, and the first fluid stopping head and first is adapted to
The cooperation of groove and the second fluid stopping head and the second adaptation groove improves the sealing effectiveness when damming to the mouth of a river, has when actually used
The medium that prevents of effect flows backwards, and meets significantly use demand.
Description of the drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is mouth of a river mplifying structure schematic diagram of the present utility model.
In figure:1st, piston rod, 2, girth member, 3, sealing ring, 4, standing screw, 5, draw-in groove, 6, clamping pad, 7, card convex, 8,
Buckle closure, 9, sealing gasket, 10, seal head, 11, valve body, 12, the mouth of a river, the 13, first fluid stopping head, 14, ripple rib pad, the 15, first adaptation
Groove, the 16, second fluid stopping head, the 17, second adaptation groove, 18, rubber pad, 19, connecting rod, 20, ripple rib groove, 21, water jet-bedding.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-2 is referred to, this utility model provides a kind of technical scheme:A kind of double end check-valves, including valve body 11, described
The top of valve body 11 is provided with buckle closure 8, is provided with the mouth of a river 12 at the inside center of the valve body 11, and the inner tip of the valve body 11 sets
There are seal head 10, the seal head 10 girth member 2 to be provided with the junction of valve body 11, improve sealing by arranging girth member 2
10 stability being connected with valve body 11, the top circumference of the seal head 10 are provided with sealing ring 3, are carried by arranging sealing ring 3
High sealing of the seal head 10 with 11 junction of valve body, the buckle closure 8 is connected with seal head 10 by standing screw 4, described
Buckle closure 8 is provided with sealing gasket 9 with the junction of seal head 10, and the outside left and right two ends of the sealing gasket 9 are equipped with card convex 7, described
The top left and right sides of the bottom left and right sides of buckle closure 8 and seal head 10 is equipped with draw-in groove 5, and the draw-in groove 5 is matched with card convex 7
Close, the outside of the sealing gasket 9 is provided with clamping pad 6, sealing gasket 9 is improve with the cooperation of draw-in groove 5 by clamping pad 6 and card convex 7
With the sealing property of 11 junction of buckle closure 8 and valve body, piston rod 1, the piston at the bottom center of the seal head 10, is provided with
The bottom of bar 1 is provided with the first fluid stopping 13, and the inwall top at the mouth of a river 12 is provided with the first adaptation groove 15, first fluid stopping
13 are engaged with the first adaptation groove 15, and the bottom of first fluid stopping 13 is provided with the second fluid stopping 16, second fluid stopping
16 are connected with the first fluid stopping 13 by connecting rod 19, and the inwall bottom at the mouth of a river 12 is provided with the second adaptation groove 17, described
Second fluid stopping 16 is engaged with the second adaptation groove 17, by the first fluid stopping 13 and the first adaptation groove 15 and the second fluid stopping 16
Cooperation with the second adaptation groove 17 improves the sealing effectiveness when damming to the mouth of a river 12, outside the top of first fluid stopping 13
Side is provided with the outer wall of water jet-bedding 21, first fluid stopping 13 and the second fluid stopping 16 and is equipped with ripple rib groove 20, and described first fits
Inwall with groove 15 and the second adaptation groove 17 is mounted on rubber pad 18, and the inwall of the rubber pad 18 is provided with ripple rib pad
14, the ripple rib pad 14 is engaged with ripple rib groove 20, improves the first fluid stopping head by cooperation of the ripple rib pad 14 with ripple rib groove 20
13 and first adaptation groove 15 and the second fluid stopping 16 and the second adaptation groove 17 sealing effectiveness.
Sealing gasket 9 is improve with the cooperation of draw-in groove 5 by clamping pad 6 and card convex 7 close with 11 junction of buckle closure 8 and valve body
Sealing property, the first fluid stopping 13 and the first adaptation groove 15 and the second fluid stopping 16 and the cooperation of the second adaptation groove 17 improve is cutting
Sealing effectiveness during stream to the mouth of a river 12.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of double end check-valves, including valve body(11), the valve body(11)Top be provided with buckle closure(8), the valve body(11)
Inside center at be provided with the mouth of a river(12), it is characterised in that:The valve body(11)Inner tip be provided with seal head(10), described
Buckle closure(8)By standing screw(4)With seal head(10)It is connected, the buckle closure(8)With seal head(10)Junction be provided with close
Packing(9), the sealing gasket(9)Outside left and right two ends be equipped with card convex(7), the buckle closure(8)The bottom left and right sides and
Seal head(10)The top left and right sides be equipped with draw-in groove(5), the draw-in groove(5)With card convex(7)It is engaged, the sealing gasket
(9)Outside be provided with clamping pad(6), the seal head(10)Bottom center at be provided with piston rod(1), the piston rod(1)
Bottom the first fluid stopping head is installed(13), the mouth of a river(12)Inwall top be provided with the first adaptation groove(15), described first
Fluid stopping head(13)With the first adaptation groove(15)It is engaged, the first fluid stopping head(13)Bottom be provided with the second fluid stopping head(16),
The second fluid stopping head(16)By connecting rod(19)With the first fluid stopping head(13)It is connected, the mouth of a river(12)Inwall bottom set
There is the second adaptation groove(17), the second fluid stopping head(16)With the second adaptation groove(17)It is engaged.
2. a kind of double end check-valves according to claim 1, it is characterised in that:The first fluid stopping head(13)Stop with second
Stream head(16)Outer wall be equipped with ripple rib groove(20), first adaptation groove(15)With the second adaptation groove(17)Inwall be respectively mounted
There is rubber pad(18), the rubber pad(18)Inwall be provided with ripple rib pad(14), the ripple rib pad(14)With ripple rib groove
(20)It is engaged.
3. a kind of double end check-valves according to claim 1, it is characterised in that:The first fluid stopping head(13)Top outside
Side is provided with water jet-bedding(21).
4. a kind of double end check-valves according to claim 1, it is characterised in that:The seal head(10)With valve body(11)'s
Junction is provided with girth member(2).
5. a kind of double end check-valves according to claim 1, it is characterised in that:The seal head(10)Top circumference set
There is sealing ring(3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620945597.1U CN206017910U (en) | 2016-08-26 | 2016-08-26 | A kind of double end check-valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620945597.1U CN206017910U (en) | 2016-08-26 | 2016-08-26 | A kind of double end check-valves |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206017910U true CN206017910U (en) | 2017-03-15 |
Family
ID=58252367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620945597.1U Active CN206017910U (en) | 2016-08-26 | 2016-08-26 | A kind of double end check-valves |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206017910U (en) |
-
2016
- 2016-08-26 CN CN201620945597.1U patent/CN206017910U/en active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Maike Special Valve Technology Co.,Ltd. Assignor: JIANGSU SUYAN VALVE MACHINERY Co.,Ltd. Contract record no.: X2023980053070 Denomination of utility model: A double head check valve Granted publication date: 20170315 License type: Exclusive License Record date: 20231222 |
|
EE01 | Entry into force of recordation of patent licensing contract |