CN208482066U - A kind of filter with decompression - Google Patents
A kind of filter with decompression Download PDFInfo
- Publication number
- CN208482066U CN208482066U CN201821132208.9U CN201821132208U CN208482066U CN 208482066 U CN208482066 U CN 208482066U CN 201821132208 U CN201821132208 U CN 201821132208U CN 208482066 U CN208482066 U CN 208482066U
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- China
- Prior art keywords
- filter
- support base
- spool
- decompression
- valve core
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Abstract
The utility model discloses a kind of filters with decompression, including filter body, end cap, core assembly and water inlet lid, end cap both ends are respectively equipped with inlet and outlet, and filter body is connected with water outlet, and cover internal is equipped with the assembly cavity of connection inlet and outlet.Core assembly includes spool, elastomer and support base, support base is fixedly mounted on the top of assembly cavity, mounting hole is offered in support base, one end of spool passes through mounting hole and is inserted into support base, with assembly cavity sealing with merging and can move up and down, elastomer is nested on spool and in compressive state the other end of spool.The utility model is by being arranged pressure reduction structure in filter intake end cover, filter body work water pressure is stablized in lesser range of pressure values, reduce the pressure-bearing limiting value of filter, improve the service life and safety of filter, and make it possible that user replaces filter core kernel, without replacing entire filter, reduce waste.
Description
Technical field
The utility model relates to filter technology field, in particular to a kind of filter with decompression.
Background technique
For intelligent closestool fore filter without decompression, Authorization Notice No. is that the utility model of CN206566594 is special at present
Benefit discloses a kind of closestool fore filter, has the shell of cavity including middle part, the water inlet of connection cavity is offered on shell
Mouthful and water outlet, be also provided with the flush port being connected to cavity on shell, housing central section is provided with filter core, water inlet and filter core
Water inlet end connection, water outlet couple with the cooperation of the water outlet of filter core.Outer housing is likely to result in when hydraulic pressure is excessive to collapse out and cause
Leak, in order to prevent leak, it is often necessary to using welding or high-strength bolt end cap is connect with ontology, increase use at
This.Meanwhile because using it is fixed disposably weld by the way of, filter core is difficult to replace, and increases cost, cause resource wave
Take.
Summary of the invention
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of filter with decompression, to solve
The problem of in the presence of background technique.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
A kind of filter with decompression, including filter body, end cap, core assembly and water inlet lid, end cap both ends
Inlet and outlet are respectively equipped with, filter body is connected with the water outlet, and cover internal, which is equipped with, is connected to the water inlet
The assembly cavity of mouth and water outlet.The core assembly includes spool, elastomer and support base, and the support base is fixedly mounted on
The top of assembly cavity offers mounting hole in support base, and one end of the spool passes through the mounting hole and is inserted into support base,
The other end of spool matches with assembly cavity sealing and merges and can move up and down.Elastomer is nested on the spool and in compression shape
State, the spool middle part offer water hole, form air chamber between spool and end cap, the top of air chamber offers exhaust
Hole.The water inlet lid is fixedly mounted on the top of support base, water inlet cover offer with the water hole be staggeredly located out into
Water hole forms water flow space between water inlet lid and support base.
Further, the filter body includes shell and filter core, and the enclosure interior is hollow and top opening, shell
Body bottom offers apopore, and the enclosure interior upwardly extends to form a columnar projections at the apopore, the filter core
Water outlet fixation be connected in the columnar projections.
Further, the outer wall top of the shell is equipped with external screw thread, and the end cap is opened on the inner wall of the water outlet
Equipped with internal screw thread, the shell, which is connected through a screw thread, to be fixed on the end cap.Shell can also be by the side that buckles or weld
Formula is fixed on end cap.
Further, the spool includes integrally formed valve core case and valve core, and the valve core case is circular trough
Structure, the water hole open up along valve core along axis, and the elastomer is nested on valve core and by the branch
Support seat compression is fixed on valve core case, and the first seal groove is offered in the outside wall surface of valve core case, installs Y in the first seal groove
Type sealing ring.
Further, the top of the assembly cavity is equipped with First terrace, and the bottom surface of the support base is fixed on described the
On one step surface, the lower part of the assembly cavity is equipped with the second step face for limiting the valve core case.
Further, the second seal groove is offered inside the support base, installation is useful in second seal groove
In offering third seal groove on the y-type seal ring for sealing the spool, the outer wall of the support base, the third is sealed
O-ring seal for forming sealing with assembly cavity wall surface is installed in ring recess.
Wherein, equipped with the rib that several are used to prevent the y-type seal ring from falling off in second seal groove.
Further, the inlet opening is equipped with several, several inlet openings are uniformly distributed along the circumferential direction of water inlet lid.
Further, integrally formed with a circle sealing ring on the water inlet cover outer wall face.
Further, the elastomer is spring or rubber.
The utility model has the following beneficial effects: a kind of filter with decompression is provided, by filter
Pressure reduction structure is set in intake end cover, filter body work water pressure is stablized in lesser range of pressure values, is subtracted
The pressure-bearing limiting value for having lacked filter improves the service life and safety of filter；And user is made to replace filter core kernel
It is possibly realized, without replacing entire filter, reduces waste.
Detailed description of the invention
Fig. 1 is the part explosive view of embodiment one.
Fig. 2 is the schematic diagram of internal structure of embodiment one.
Fig. 3 is the decompression process figure of embodiment one, and wherein Fig. 3 (a) is original state, and Fig. 3 (b) is decompression state.
Fig. 4 is the stress diagram of spool.
Fig. 5 is the structural schematic diagram of embodiment two.
Fig. 6 is the usage scenario schematic diagram of filter.
Primary clustering symbol description: 1, filter body；11, shell；110, apopore；111, columnar projections；112, outer
Screw thread；12, filter core；2, end cap；201, water inlet；202, apopore；203, internal screw thread；204, external screw thread；21, assembly cavity；
211, First terrace；212, second step face；22, air chamber；221, gas vent；23, docking section；231, internal screw thread；3, valve
Core assembly；30, water hole；31, spool；311, valve core case；3111, the first seal groove；32, spring；33, support base；331,
Mounting hole；332, the second seal groove；3321, rib；333, third seal groove；4, water inlet lid；41, sealing ring；42, it intakes
Hole；5, y-type seal ring；6, O-ring seal；7, angle valve；71, internal screw thread.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is described further.
Embodiment one
As shown in Figure 1-3, a kind of filter with decompression, including filter body 1, end cap 2,3 and of core assembly
It intakes lid 4,2 both ends of end cap are respectively equipped with water inlet 201 and water outlet 202, in water inlet 201 and water outlet 202 inside end cap 2
Between be equipped with assembly cavity 21, assembly cavity 21 is connected with water inlet 201 and water outlet 202 respectively.Filter body 1 includes shell
11 and filter core 12,11 inner hollow of shell and top opening, 11 bottom of shell offers apopore 110, is going out inside shell 11
It upwardly extends to form a columnar projections 111 at water hole 110, the water outlet fixation of filter core 12 is connected in columnar projections 111.Shell
11 outer wall tops are equipped with external screw thread 112, and end cap 2 offers internal screw thread 203 on the inner wall of water outlet 202, and shell 11 passes through
Threaded connection is fixed on end cap 2.The top exterior walls of end cap 2 are equipped with the external screw thread for being connected to each other with other water inlet components
204。
Core assembly 3 includes spool 31, spring 32 and support base 33, and spool 31 includes integrally formed 311 He of valve core case
Valve core 312, valve core case 311 are round slot structure, and valve core 312 is interior to offer water hole 30 along axis, and spring 32 is nested in
It is fixed in the circular trough of valve core case 311 on valve core 312 and by the compression of support base 33.It is opened in the outside wall surface of valve core case 311
Equipped with the first seal groove 3111, y-type seal ring 5 is installed in first seal groove 3111, valve core case 311 passes through y-type seal ring 5
It realizes and seals with the wall surface of assembly cavity 21.Air chamber 22 is formed between spool 31 and support base bottom surface and end cap 2, air chamber 22
Top offers the gas vent 221 outside connection.The top of assembly cavity 21 is equipped with First terrace 211, the bottom surface of support base 33
It is fixed on First terrace 211, the lower part of assembly cavity 21 is equipped with second step face 212, and the bottom surface of valve core case 331 is in non-decompression
It is stuck under state on second step face 212.
Mounting hole 331 is offered along axis on support base 33, the second seal groove 332 is offered inside support base 33, the
Y-type seal ring 5 is installed in two seal grooves 332, several are equipped in the second seal groove 332 for preventing y-type seal ring 5
The rib 3321 to fall off.One end of valve core 312 passes through mounting hole 331 and is inserted into support base 33, valve core 312 and mounting hole
It is sealed between 331 by y-type seal ring 5.Third seal groove 333, third sealing are offered on the outer wall of support base 33
Mounting O-shaped sealing ring 6 in ring recess 333, support base 33 are realized by the wall surface of O-ring seal 6 and assembly cavity 21 and are sealed.Water inlet lid
4 are fixedly mounted on the top of support base 33, integrally formed with a circle sealing ring 41 in 4 outside wall surface of lid of intaking.Lid 4 intake circumferentially
It is uniformly provided with three inlet openings 42, the position of inlet opening 42 and being staggeredly located out for water hole 30, water inlet 4 bottom surface of lid and support
Water flow space is formed between seat 33.
Embodiment two
As shown in figure 5, the present embodiment and the difference of embodiment one are only that: the top of end cap 2 has pair upwardly extended
Socket part 23,23 inner wall of docking section are equipped with the internal screw thread 231 for being connected to each other with other water inlet components.The present embodiment rest part
Structure is the same as example 1.
Be illustrated in figure 6 the connection schematic diagram of filter Yu angle valve 7, be equipped at the top of angle valve 7 for 2 docking section 23 of end cap
Locate the external screw thread 71 that internal screw thread 231 docks, filter is connected through a screw thread with angle valve 7 and is fixed together.
Working principle of the utility model is:
Safe condition: when hydraulic pressure is smaller, water is flowed into from water inlet end, is flowed into spool 31 by the water hole 30 of spool 31
Bottom position, hydraulic pressure have a upward active force to spool 31, have a precompression F to spring 32 during installation, such as Fig. 4 institute
Show, is also not enough to that spool 31 is pushed to move when hydraulic pressure is less than F, spool 31 is maintained at original state.
Pressure reducing protection state: when pressure is larger, the hydraulic pressure for acting on 31 bottom end of spool is greater than the precompression F of spring 32,
Spool 31 up moves under the action of water pressure, and the hydraulic pressure for passing through water hole 30 reduces, and the air in air chamber 22 is from exhaust
Hole 221 is discharged, and reaches effect of easing stress, protects filter.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model is made a variety of changes, be the protection scope of the utility model.
Claims (10)
1. a kind of filter with decompression, it is characterised in that: it is covered including filter body, end cap, core assembly and water inlet,
End cap both ends are respectively equipped with inlet and outlet, and filter body is connected with the water outlet, and cover internal is equipped with connection
The assembly cavity of the inlet and outlet, the core assembly include spool, elastomer and support base, and the support base is solid
Dingan County is mounted in the top of assembly cavity, and mounting hole is offered in support base, and one end of the spool passes through the mounting hole and is inserted into
In support base, with assembly cavity sealing with merging and can move up and down, elastomer is nested on the spool other end of spool
And be in compressive state, water hole is offered in the middle part of the spool, forms air chamber between spool and end cap, the top of air chamber is opened
Equipped with gas vent, the water inlet lid is fixedly mounted on the top of support base, and water inlet, which covers, to be offered and water hole position phase
The inlet opening being staggered forms water flow space between water inlet lid and support base.
2. a kind of filter with decompression as described in claim 1, it is characterised in that: the filter body includes
Shell and filter core, the enclosure interior is hollow and top opening, housing bottom offer apopore, and the enclosure interior is described
It upwardly extends to form a columnar projections at apopore, the water outlet fixation of the filter core is connected in the columnar projections.
3. a kind of filter with decompression as claimed in claim 2, it is characterised in that: the outer wall top of the shell is set
There is external screw thread, the end cap offers internal screw thread on the inner wall of the water outlet, and the shell, which is connected through a screw thread, to be fixed on
On the end cap.
4. a kind of filter with decompression as described in claim 1, it is characterised in that: the spool include one at
The valve core case and valve core of type, the valve core case are round slot structure, and the water hole opens up along valve core along axis,
The elastomer is nested on valve core and is fixed on valve core case by support base compression, in the outside wall surface of valve core case
The first seal groove is offered, y-type seal ring is installed in the first seal groove.
5. a kind of filter with decompression as claimed in claim 4, it is characterised in that: the top of the assembly cavity is equipped with
First terrace, the bottom surface of the support base are fixed on the First terrace, and the lower part of the assembly cavity is equipped with for limiting
The second step face of the position valve core case.
6. a kind of filter with decompression as described in claim 1, it is characterised in that: offered inside the support base
Second seal groove is equipped with the y-type seal ring for sealing the spool in second seal groove, the support base
Third seal groove is offered on outer wall, is equipped in the third seal groove for forming sealing with assembly cavity wall surface
O-ring seal.
7. a kind of filter with decompression as claimed in claim 6, it is characterised in that: in second seal groove
The rib for being used to prevent the y-type seal ring from falling off equipped with several.
8. a kind of filter with decompression as described in claim 1, it is characterised in that: the inlet opening is equipped with several
A, several inlet openings are uniformly distributed along the circumferential direction of water inlet lid.
9. a kind of filter with decompression as described in claim 1, it is characterised in that: on the water inlet cover outer wall face
Integrally formed with a circle sealing ring.
10. a kind of filter with decompression as claimed in any one of claims 1-9 wherein, it is characterised in that: the bullet
Property body be spring or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132208.9U CN208482066U (en) | 2018-07-17 | 2018-07-17 | A kind of filter with decompression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132208.9U CN208482066U (en) | 2018-07-17 | 2018-07-17 | A kind of filter with decompression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208482066U true CN208482066U (en) | 2019-02-12 |
Family
ID=65247177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821132208.9U Active CN208482066U (en) | 2018-07-17 | 2018-07-17 | A kind of filter with decompression |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208482066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443686A (en) * | 2019-08-10 | 2021-03-05 | 天津市远大工贸有限公司 | Filter system protector capable of automatically closing water path |
| CN113856287A (en) * | 2021-10-18 | 2021-12-31 | 浙江怡和卫浴有限公司 | Filter equipment and water system |
-
2018
- 2018-07-17 CN CN201821132208.9U patent/CN208482066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112443686A (en) * | 2019-08-10 | 2021-03-05 | 天津市远大工贸有限公司 | Filter system protector capable of automatically closing water path |
| CN113856287A (en) * | 2021-10-18 | 2021-12-31 | 浙江怡和卫浴有限公司 | Filter equipment and water system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190809 Address after: 361000 Room A, Huijin Huli Building, 966-968 Anling Road, Huli District, Xiamen City, Fujian Province Patentee after: Guli (Xiamen) Technology Co., Ltd. Address before: Unit 1919, Floor 19, Building 12, Xinglin Bay Road Creative City, Jimei District, Xiamen City, Fujian Province Patentee before: Xiamen cloud wisdom Technology Co., Ltd. |
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| TR01 | Transfer of patent right |