CN207454842U - A kind of check valve for washing agent box for washing machine - Google Patents
A kind of check valve for washing agent box for washing machine Download PDFInfo
- Publication number
- CN207454842U CN207454842U CN201721564364.8U CN201721564364U CN207454842U CN 207454842 U CN207454842 U CN 207454842U CN 201721564364 U CN201721564364 U CN 201721564364U CN 207454842 U CN207454842 U CN 207454842U
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- diaphragm
- valve body
- check valve
- washing machine
- agent box
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Abstract
The utility model provides a kind of check valve for washing agent box for washing machine, can solve the problems, such as that the check valve on existing washing agent box for washing machine effectively can not prevent cleaning solution from flowing back.It includes diaphragm and upper valve body and lower valve body setting up and down and be tightly connected, the lower valve body are interior equipped with the fluid passage connected up and down with the upper valve body；The diaphragm is in the form of annular discs, and the bottom surface of the diaphragm is spherical surface；The upper end of the lower valve body is equipped with the diaphragm mounting groove connected with the fluid passage, and the bottom surface of the diaphragm mounting groove is the spherical surface being adapted with the bottom shape of the diaphragm, and the diaphragm is placed in the diaphragm mounting groove and can block the fluid passage；The lower end of the upper valve body is internally provided with diaphragm blocking portion, and the diaphragm blocking portion provides passage for stopping the diaphragm of washed liquid jack-up and flowing upwardly into the fluid passage for cleaning solution.
Description
Technical field
The utility model is related to check valve technical fields, are specially a kind of check valve for washing agent box for washing machine.
Background technology
In general, washing machine launches cleaning solution into body by detergent box, cleaning solution passes back into detergent in order to prevent
Box would generally set check valve in the exit of detergent box, but existing check valve can not effectively prevent returning for cleaning solution
Stream.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of check valve for washing agent box for washing machine, can solve
The problem of check valve on existing washing agent box for washing machine effectively can not prevent cleaning solution from flowing back.
Its technical solution is such：A kind of check valve for washing agent box for washing machine, including diaphragm and up and down
The liquid connected up and down is equipped in the upper valve body and lower valve body for setting and being tightly connected, the lower valve body and the upper valve body to lead to
Road；It is characterized in that：The diaphragm is in the form of annular discs, and the bottom surface of the diaphragm is spherical surface；The upper end of the lower valve body be equipped with
The diaphragm mounting groove of the fluid passage connection, the bottom surface of the diaphragm mounting groove are to be adapted with the bottom shape of the diaphragm
Spherical surface, the diaphragm is placed in the diaphragm mounting groove and can block the fluid passage；In the lower end of the upper valve body
Portion is equipped with diaphragm blocking portion, and the diaphragm blocking portion is used to stopping the diaphragm that washed liquid jacks up and is cleaning solution to upstream
Enter the fluid passage and passage is provided.
It is further characterized by：
The diaphragm is gel silica membrane.
The lower valve body is in step-like for tubular structure and the upper end, and the top surface of the lower valve body is pacified equipped with the diaphragm
Tankage, the side of the diaphragm mounting groove is cylindrical surface, and the internal diameter of the cylindrical surface is more than the diameter of the diaphragm.
The internal diameter of the cylindrical surface is bigger 1mm than the diameter of the diaphragm.
The diaphragm mounting groove and the fluid passage coaxial communication.
The upper valve body includes the delivery pipe, tapering transition pipe and the insertion pipe that from top to bottom sequentially coaxially set, described to insert
The pore taken over is stepped hole, and the stepped hole includes the bellmouth and round hole that connect up and down, the minor diameter of the bellmouth
Hold, the aperture of the larger diameter end of the bellmouth and the circle equal with the connection of the larger diameter end of the tapering transition pipe and aperture
The internal diameter of cylindroid is equal, and the upper end cooperation of the lower valve body is inserted into the round hole and acts against the step surface of the stepped hole
On, the diaphragm blocking portion is mounted in the tapering transition pipe and the bellmouth.
The diaphragm blocking portion includes several gussets, and the gusset is set along the circumferential uniform intervals of the tapering transition pipe
Put, one end of the gusset is fixed on the inner wall of the tapering transition pipe and the bellmouth, the other end of the gusset to
It is interior to extend to stop that the diaphragm moves up.
The upper valve body is welded as a whole after being inserted with the lower valve body.
The beneficial effects of the utility model are：
The check valve of the utility model is provided with diaphragm between upper valve body and lower valve body, when cleaning solution is from fluid passage
Lower end enter after, can by diaphragm jack up so as to flow upwards out fluid passage, when there is liquid reflux, liquid dead weight can be by diaphragm
It fastens in diaphragm mounting groove, so as to which fluid passage be blocked, makes cleaning solution can not be by by being ball by diaphragm floor design
The floor design of diaphragm mounting groove is the spherical surface being adapted with diaphragm bottom shape, diaphragm can be enable fast in lower backwardness by face
Speed is simultaneously reliably fitted on the bottom surface of diaphragm mounting groove, avoids diaphragm play, so as to effectively block fluid passage, and then effectively
Prevent cleaning solution from flowing back；The one-way valve structures of the utility model are simple, easily manufactured, at low cost, suitable for batch production.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the front view of the upper valve body of the utility model；
Fig. 3 is the bottom view of Fig. 1；
Fig. 4 is the front view of the lower valve body of the utility model；
Fig. 5 is the front view of the diaphragm of the utility model；
Fig. 6 is the top view of Fig. 4.
Reference numeral：1- diaphragms；The bottom surface of 1-1- diaphragms；2- upper valve bodies；21- delivery pipes；22- tapering transition pipes；23- is inserted
It takes over；23-1- bellmouths；23-2- round holes；3- lower valve bodies；4- fluid passages；5- diaphragm mounting grooves；5-1- diaphragm mounting grooves
Bottom surface；5-2- cylindrical surfaces；6- diaphragm blocking portions；61- gussets.
Specific embodiment
See Fig. 1 to Fig. 6, a kind of check valve for washing agent box for washing machine of the utility model, including diaphragm 1 and
Upper valve body 2 and lower valve body 3 setting up and down and be tightly connected, lower valve body 3 are interior equipped with the fluid passage connected up and down with upper valve body 2
4；Diaphragm 1 is in the form of annular discs, and the bottom surface 1-1 of diaphragm is spherical surface；The upper end of lower valve body 3 is equipped with the diaphragm connected with fluid passage 4
Mounting groove 5, the bottom surface 5-1 of diaphragm mounting groove are the spherical surface being adapted with the bottom surface 1-1 shapes of diaphragm, and diaphragm 1 is placed on diaphragm
Mounting groove 5 is interior and can block fluid passage 4；The lower end of upper valve body 2 is internally provided with diaphragm blocking portion 6, and diaphragm blocking portion 6 is used to hinder
Gear, which is washed the diaphragm 1 that liquid jacks up and flows upwardly into fluid passage 4 for cleaning solution, provides passage.
Diaphragm 1 selects gel silica membrane, durable and light-weight.
See Fig. 4, lower valve body 3 is in step-like for tubular structure and the upper end, and the top surface of lower valve body 3 is equipped with and fluid passage
The diaphragm mounting groove 5 of 4 coaxial communications, the side of diaphragm mounting groove is cylindrical surface 5-2, and the internal diameter of cylindrical surface 5-2 is than diaphragm 1
The big 1mm of diameter.So it can not only flow upwardly through cleaning solution, but also can moving up and falling after rise and play certain guiding and make to diaphragm
With.
See Fig. 1 to Fig. 3, upper valve body 2 includes the delivery pipe 21 from top to bottom sequentially coaxially set, tapering transition pipe 22 and inserts
Take over 23, three in one is made, and the pore of insertion pipe 23 is stepped hole, and stepped hole includes the bellmouth 23-1 and circle that connect up and down
Larger diameter end connection and aperture of the smaller diameter end of shape hole 23-2, bellmouth 23-1 with tapering transition pipe 22 are equal, bellmouth 23-
The aperture of 1 larger diameter end is equal with the internal diameter of cylindrical surface 5-2, and the upper end cooperation insertion round hole 23-2 of lower valve body 3 is simultaneously pushed up
It leans against on the step surface of stepped hole, upper valve body 2 is welded as a whole after being inserted with lower valve body 3, so can further improve the two
Between leakproofness；Diaphragm blocking portion 6 is mounted in tapering transition pipe 22 and bellmouth 23-1；Diaphragm blocking portion 6 includes several
Gusset 61, gusset 61 are set along the circumferential uniform intervals of tapering transition pipe 22, and one end of gusset 61 is fixed in tapering transition pipe 22
On the inner wall of bellmouth 23-1, the other end of gusset 61 extends internally to stop that diaphragm 1 moves up, the shape and structure of gusset
Can designed, designed as needed, be not limited only to the reinforcing plate structure shown in Fig. 3.
In use, by the outlet tube of the lower end of lower valve body and washing agent box for washing machine assemble, drawing liquid pump work, cleaning solution into
Enter check valve, open-top diaphragm, diaphragm is stopped during moving up by gusset, while the sky that cleaning solution is formed around diaphragm and gusset
Enter the fluid passage of upper valve body at gap, and flowed out by the upper end of fluid passage；When there is cleaning solution reflux, the dead weight of cleaning solution
Can diaphragm be pushed and fastened, the bottom surface of diaphragm is quickly bonded with the bottom surface of diaphragm mounting groove, blocks the fluid passage of lower valve body,
Make cleaning solution that can not pass through.
Claims (8)
1. a kind of check valve for washing agent box for washing machine, including diaphragm and upper valve body that is setting up and down and being tightly connected
And lower valve body, the lower valve body are interior equipped with the fluid passage connected up and down with the upper valve body；It is characterized in that：The diaphragm is in
It is discoid, and the bottom surface of the diaphragm is spherical surface；The upper end of the lower valve body is equipped with the diaphragm peace connected with the fluid passage
Tankage, the bottom surface of the diaphragm mounting groove are the spherical surface being adapted with the bottom shape of the diaphragm, and the diaphragm is placed on institute
It states in diaphragm mounting groove and the fluid passage can be blocked；The lower end of the upper valve body is internally provided with diaphragm blocking portion, the film
Piece blocking portion provides passage for stopping the diaphragm of washed liquid jack-up and flowing upwardly into the fluid passage for cleaning solution.
2. a kind of check valve for washing agent box for washing machine according to claim 1, it is characterised in that：The diaphragm is
Gel silica membrane.
3. a kind of check valve for washing agent box for washing machine according to claim 1 or 2, it is characterised in that：Under described
Valve body is in step-like for tubular structure and the upper end, and the top surface of the lower valve body is equipped with the diaphragm mounting groove, the diaphragm
The side of mounting groove is cylindrical surface, and the internal diameter of the cylindrical surface is more than the diameter of the diaphragm.
4. a kind of check valve for washing agent box for washing machine according to claim 3, it is characterised in that：The cylinder
The internal diameter in face is bigger 1mm than the diameter of the diaphragm.
5. a kind of check valve for washing agent box for washing machine according to claim 3, it is characterised in that：The diaphragm peace
Tankage and the fluid passage coaxial communication.
6. a kind of check valve for washing agent box for washing machine according to claim 4 or 5, it is characterised in that：On described
Valve body includes the delivery pipe, tapering transition pipe and the insertion pipe that from top to bottom sequentially coaxially set, and the pore of the insertion pipe is platform
Rank hole, the stepped hole include the bellmouth and round hole that connect up and down, the smaller diameter end of the bellmouth and the taper mistake
It crosses the larger diameter end connection of pipe and aperture is equal, the aperture of the larger diameter end of the bellmouth and the internal diameter phase of the cylindrical surface
Upper end cooperation Deng, the lower valve body is inserted into the round hole and is acted against on the step surface of the stepped hole, the diaphragm resistance
Stopper is mounted in the tapering transition pipe and the bellmouth.
7. a kind of check valve for washing agent box for washing machine according to claim 6, it is characterised in that：The diaphragm resistance
Stopper includes several gussets, and the gusset is set along the circumferential uniform intervals of the tapering transition pipe, one end of the gusset
It is fixed on the inner wall of the tapering transition pipe and the bellmouth, the other end of the gusset extends internally to stop described
Diaphragm moves up.
8. a kind of check valve for washing agent box for washing machine according to claim 6, it is characterised in that：The upper valve body
It is welded as a whole after being inserted with the lower valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564364.8U CN207454842U (en) | 2017-11-21 | 2017-11-21 | A kind of check valve for washing agent box for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721564364.8U CN207454842U (en) | 2017-11-21 | 2017-11-21 | A kind of check valve for washing agent box for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454842U true CN207454842U (en) | 2018-06-05 |
Family
ID=62277614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721564364.8U Active CN207454842U (en) | 2017-11-21 | 2017-11-21 | A kind of check valve for washing agent box for washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215174A (en) * | 2019-06-21 | 2019-09-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Feeding box, dispenser and dish-washing machine |
-
2017
- 2017-11-21 CN CN201721564364.8U patent/CN207454842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215174A (en) * | 2019-06-21 | 2019-09-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Feeding box, dispenser and dish-washing machine |
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