CN207178787U - A kind of check-valves - Google Patents
A kind of check-valves Download PDFInfo
- Publication number
- CN207178787U CN207178787U CN201721245238.6U CN201721245238U CN207178787U CN 207178787 U CN207178787 U CN 207178787U CN 201721245238 U CN201721245238 U CN 201721245238U CN 207178787 U CN207178787 U CN 207178787U
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- China
- Prior art keywords
- inner casing
- seal
- accommodating cavity
- roof
- hole
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- 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.)
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Abstract
The utility model discloses a kind of check-valves.Including shell, seal made of inner casing and flexible material, the first interconnected accommodating cavity is sequentially provided with shell along media flow direction, second accommodating cavity and delivery port, inner casing is provided with the water inlet pipe through whole inner casing, the groove of inner casing is provided around on inner casing outer surface, seal includes roof, roof is provided with through hole, vertical wall is provided with along roof outer contour, the flange of vertical wall is provided around on vertical wall lower end inside face, seal is stretched in one end of inner casing, roof inner surface is close to the end face of inner casing, flange is caught in groove, water inlet pipe is tensioned the one end for having seal on inner casing and is provided with opening, through hole is located at the outside of opening, there is in the first accommodating cavity on one end insertion shell of seal tensioning on inner casing, and seal is pressed on the bottom surface of the first accommodating cavity, it is tightly connected.Reduction number of parts is thus reached, cost-effective, the convenient purpose for installing level management.
Description
Technical field
It the utility model is related to valve field, and in particular to a kind of check-valves.
Background technology
Automobile cleaning system is the indispensable part of automobile, wherein crucial component is exactly the check-valves in water pipe.Only
The effect for returning valve is to prevent the aqueous reflux in pipe to return Windshield Washer after stopping spraying water.Such benefit is reacted when being water spray next time
Time is very short, can spray water immediately.The check-valves that currently there are substantially by：Non-return valve chest, spring, sealing
Circle, seal ring bracket composition, component is more, and cost is higher, and appearance and size is larger.The China of Application No. 201410663837.4
Patent of invention discloses a kind of check valve structure.Although the appearance and size using whole check-valves after the check valve structure is little,
But because the check valve structure is to realize the unlatching of valve and closure by the linear motion of valve rod, it certainly will so cause valve rod
Friction between guiding parts, so that valve rod or guiding parts are easier to cause to fail due to friction, and then cause whole
Individual non-return defective valve, reduce the life-span of whole valve.
Utility model content
To overcome above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of check-valves, the non-return
Valve includes shell, inner casing and seal made of flexible material, and the shell is provided with delivery port, and is additionally provided with the shell
One accommodating cavity, first accommodating cavity connect the delivery port by the second accommodating cavity, and the inner casing, which is provided with, runs through whole institute
The water inlet pipe of inner casing is stated, the groove of the inner casing is provided around on the inner casing outer surface, the seal includes roof, described
Roof is provided with through hole, is provided with vertical wall along the roof outer contour, institute is provided around on the vertical wall lower end inside face
The flange of vertical wall is stated, the seal is stretched in one end of the inner casing, and the roof inner surface is close to the end of the inner casing
Face, the flange are caught in the groove, the water inlet pipe be tensioned on the inner casing have the seal one end be provided with open
Mouthful, the through hole is located at the outside of the opening, and one end that being tensioned on the inner casing has the seal is inserted on the shell
First accommodating cavity in, and the seal is pressed on the bottom surface of first accommodating cavity, is tightly connected.
Preferably, on the face being pressed on the seal roof on the bottom surface of first accommodating cavity, provided with ring-type
Projection, the bottom surface of first accommodating cavity are provided with the annular recess to match with the annular projection, the annular projection card
Enter in the annular recess.Sealing area is so added, so as to enhance sealing effectiveness.
Preferably, the through hole is into kidney-shaped, and multiple through holes circularize distribution.Mounting hole avoids stress collection
In, so as to avoid seal due to working in a tensioned state for a long time, and cause to tear from opening weakness.
Preferably, the end face that tensioning has one end of the seal on the inner casing is provided with boss, the through hole position
In the outside of the boss.So cause seal is tighter to be stretched on inner casing.
Preferably, the side wall of first accommodating cavity is provided with blocked hole, the inner casing lateral surface be provided with it is described
For blocked hole to the fixture block of matching, when the inner casing inserts the shell, the fixture block is embedded in the blocked hole, makes the two company of fixation
Connect.
Compared with prior art, the utility model has advantages below：The utility model discloses a kind of check-valves, including
Shell, inner casing and seal made of flexible material, interconnected first is sequentially provided with along media flow direction on shell and is held
Chamber, the second accommodating cavity and delivery port are put, the inner casing is provided with the water inlet pipe through the whole inner casing, the inner casing outer surface
On be provided around the groove of the inner casing, the seal includes roof, and the roof is provided with through hole, along the roof foreign steamer
Profile is provided with vertical wall, and the flange of the vertical wall, the seal tensioning are provided around on the vertical wall lower end inside face
In one end of the inner casing, the roof inner surface is close to the end face of the inner casing, and the flange is caught in the groove, described
Water inlet pipe is tensioned the one end for having the seal on the inner casing and is provided with opening, and the through hole is located at the outside of the opening,
One end that tensioning has the seal on the inner casing is inserted in first accommodating cavity on the shell, and the seal
It is pressed on the bottom surface of first accommodating cavity, is tightly connected.Thus reach reduction number of parts, it is cost-effective, it is convenient
The purpose of level management is installed.
Brief description of the drawings
Fig. 1 is check-valves complete section schematic diagram in the utility model embodiment.
Fig. 2 is shell complete section schematic diagram in the utility model embodiment.
Fig. 3 is inner casing complete section schematic diagram in the utility model embodiment.
Fig. 4 is seal complete section schematic diagram in the utility model embodiment.
Fig. 5 is seal top view in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawings with embodiment, the utility model is further described, as shown in Figures 1 to 5, one
Kind check-valves, including shell 1, inner casing 2 and seal 3 made of flexible material, the shell 1 are described provided with delivery port 1c
The first accommodating cavity 1a, the first accommodating cavity 1a is additionally provided with shell 1 the delivery port 1c, institute are connected by the second accommodating cavity 1d
Side wall of the bottom surface provided with annular recess 1b, the first accommodating cavity 1a for stating the first accommodating cavity 1a is provided with blocked hole 1e.
The inner casing 2 is provided with the water inlet pipe 2c through the whole inner casing 2, is provided around on the outer surface of inner casing 2
The groove 2b of the inner casing 2, the lateral surface of inner casing 2 are provided with the fixture block 2d with the blocked hole 1e to matching, the inner casing 2
End face opening 2e is provided with the boss 2a top surfaces provided with boss 2a, the water inlet pipe 2c.
The seal 3 includes roof, and the one side of the roof is provided with the ring-type to match with the annular recess 1b
Raised 3c, the roof circularize distribution provided with three through holes 3b, the through hole 3b, are provided with along the roof outer contour perpendicular
Straight wall, the flange 3a of the vertical wall is provided around on the vertical wall lower end inside face.
During assembling, the seal 3 is stretched in one end that the inner casing is provided with boss 2a, and the roof inner surface is close to
The top surface of the boss 2a on the inner casing 2, the flange 3a are caught in the groove 2b, and the through hole 3b is located at the boss
2a outside, the first accommodating cavity 1a that one end that tensioning has the seal 3 on the inner casing 2 is inserted on the shell 1
It is interior, and the seal 3 is pressed on the bottom surface of the first accommodating cavity 1a, annular projection 3c is caught in the annular recess 1b
Interior, the fixture block 2d is embedded in the blocked hole 1e, is fixedly connected with the two.
In use, medium enters from water inlet pipe 2c, pressure is applied to seal roof so that the deformation of seal roof is convex
Rise, space is formed between roof inner surface and boss 2a, medium flow to through hole 3b via above-mentioned space, then outer by through hole 3b inflows
Shell 1, finally from the delivery port 1c outflows on shell 1.When medium does not re-supply, the distress resolves on the roof of seal 3, sealing
The roof of part 3 recovers original form, and its inner surface is close to boss 2a top surfaces again, and the space between roof inner surface and boss 2a disappears
Lose, the liquid having been enter into shell 1 is enclosed in shell 1 and can not flowed back.
The scope of protection of the utility model includes but is not limited to embodiment of above, and the scope of protection of the utility model is to weigh
Sharp claim is defined, and any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement are each fallen within
The scope of protection of the utility model.
Claims (5)
1. a kind of check-valves, it is characterised in that the check-valves includes shell（1）, inner casing（2）With flexible material made of sealing
Part（3）, the shell（1）It is provided with delivery port（1c）, the shell（1）On be additionally provided with the first accommodating cavity（1a）, described first
Accommodating cavity（1a）Pass through the second accommodating cavity（1d）Connect the delivery port（1c）, the inner casing（2）It is provided with through whole described
Inner casing（2）Water inlet pipe（2c）, the inner casing（2）The inner casing is provided around on outer surface（2）Groove（2b）, the sealing
Part（3）Including roof, the roof is provided with through hole（3b）, vertical wall, the vertical wall are provided with along the roof outer contour
The flange of the vertical wall is provided around on lower end inside face（3a）, the seal（3）It is stretched in one end of the inner casing, institute
State roof inner surface and be close to the inner casing（2）End face, the flange（3a）It is caught in the groove（2b）It is interior, the water inlet pipe
（2c）In the inner casing（2）Upper tensioning has the seal（3）One end be provided with opening（2e）, the through hole（3b）Positioned at described
Opening（2e）Outside, the inner casing（2）Upper tensioning has the seal（3）One end insert the shell（1）On it is described
First accommodating cavity（1a）It is interior, and the seal（3）It is pressed on first accommodating cavity（1a）Bottom surface on, be tightly connected.
A kind of 2. check-valves according to claim 1, it is characterised in that the seal（3）Described is pressed on roof
One accommodating cavity（1a）Bottom surface on face on, provided with annular projection（3c）, first accommodating cavity（1a）Bottom surface be provided with
The annular projection（3c）The annular recess to match（1b）, the annular projection（3c）It is caught in the annular recess（1b）It is interior.
A kind of 3. check-valves according to claim 2, it is characterised in that the through hole（3b）Into kidney-shaped, and it is multiple described logical
Hole（3b）Circularize distribution.
4. according to a kind of check-valves described in claim 1-3 any one, it is characterised in that the inner casing（2）Upper tensioning is
State seal（3）The end face of one end be provided with boss（2a）, the through hole（3b）Positioned at the boss（2a）Outside.
A kind of 5. check-valves according to claim 4, it is characterised in that first accommodating cavity（1a）Side wall be provided with card
Connect hole（1e）, the inner casing（2）Lateral surface is provided with and the blocked hole（1e）To the fixture block of matching（2d）, the inner casing（2）
Insert the shell（1）When, the fixture block（2d）The embedded blocked hole（1e）, it is fixedly connected with the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245238.6U CN207178787U (en) | 2017-09-27 | 2017-09-27 | A kind of check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245238.6U CN207178787U (en) | 2017-09-27 | 2017-09-27 | A kind of check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178787U true CN207178787U (en) | 2018-04-03 |
Family
ID=61749368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721245238.6U Active CN207178787U (en) | 2017-09-27 | 2017-09-27 | A kind of check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178787U (en) |
-
2017
- 2017-09-27 CN CN201721245238.6U patent/CN207178787U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181115 Address after: 430200 No. 18 Chevrolet Avenue, Jingang New District, Jiangxia District, Wuhan City, Hubei Province Patentee after: WUHAN JOYSON AUTO PARTS CO., LTD. Address before: 315103 No. 1266 Juxian Road, Ningbo High-tech Zone, Zhejiang Province Patentee before: Ningbo Joyson Automotive Components Co., Ltd. |