CN206988221U - double-cylinder filter switching valve - Google Patents
double-cylinder filter switching valve Download PDFInfo
- Publication number
- CN206988221U CN206988221U CN201720898438.5U CN201720898438U CN206988221U CN 206988221 U CN206988221 U CN 206988221U CN 201720898438 U CN201720898438 U CN 201720898438U CN 206988221 U CN206988221 U CN 206988221U
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- CN
- China
- Prior art keywords
- valve body
- connection pipe
- seal disc
- support ring
- rotating shaft
- Prior art date
- 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 double-cylinder filter switching valve, the side of proximate valve body is provided with support ring in the connection pipe body of connection valve body and filter cylinder, the guide pillar being slidably matched with the axle sleeve is provided with axle sleeve in the middle part of support ring, one end of guide pillar is provided with the seal disc to match with connection pipe body port, spring is arranged with guide pillar between the seal disc and support ring, the rotating shaft that valve body end cap is provided with the sealing of cut-off block is rotatably assorted in the middle part of valve body end cap and valve body, the eccentric wheel for being fixed with single-side sealing disk compression fit by key in the rotating shaft and being sealed for realizing the side connection pipe body.The utility model sealing structure is good, handling ease and can realize filter zero leakage.
Description
Technical field
The utility model belongs to double-drum filter center valve body technical field, and in particular to a kind of double-drum filter switching
Valve.
Background technology
Hydraulic system requires higher to the cleannes of fluid, and because cleannes require high, cleaning filter is more frequent, and
Filter element is cleaned it is required that not shutting down work.Double-drum filter is it is important that the switching of center valve body, it is desirable to
Switch light and good seal performance, for big flow double-drum filter because latus rectum is larger, the structure design of center valve body is a difficult point.Mesh
The structure that preceding existing product is sealed firmly using tile type more, this structural requirement tile type cam cutting precision is high, and assembling is difficult
Degree is big, and sealing effectiveness is poor, causes filter is interior when working to let out, contaminated system.
The content of the invention
The technical problem that the utility model solves is to devise a kind of good sealing structure, handling ease and can realize
The double-cylinder filter switching valve of filter zero leakage.
The utility model is to solve above-mentioned technical problem to adopt the following technical scheme that, double-cylinder filter switching valve, including valve
Body, the top of the valve body are provided with the hole for being mutually communicated and being connected respectively with hydraulic oil oil inlet pipe and both sides filter cylinder, the bottom of valve body
Provided with the hole for being mutually communicated and being connected respectively with hydraulic oil flowline and both sides filter cylinder, it is characterised in that：Connect valve body and filter cylinder
Connection pipe body in the side of proximate valve body be provided with support ring, be provided with what is be slidably matched with the axle sleeve in the axle sleeve in the middle part of support ring
Guide pillar, one end of guide pillar are provided with the seal disc to match with connection pipe body port, covered on the guide pillar between the seal disc and support ring
Provided with spring, valve body end cap is provided with the sealing of cut-off block is rotatably assorted in the middle part of valve body end cap and valve body rotating shaft, in the rotating shaft
The eccentric wheel for being fixed with single-side sealing disk compression fit by key and being sealed for realizing the side connection pipe body.
Further preferably, the rotating shaft is provided with retaining step, and eccentric wheel is fixed on the retaining step of rotating shaft by key
And platen and trip bolt compression by being arranged at eccentric wheel opposite side are spacing.
Further preferably, the seal disc is provided with spring retainer groove, and one end of spring is arranged at the axle in the middle part of support ring
Put, the other end of spring is arranged in the spring retainer groove of seal disc.
Further preferably, the seal disc is the disc that side is provided with boss, and the wherein outer rim of boss is provided with being connected
The sealing ring of the intraoral wall pressure tight sealing engagement of tube end, the disc of boss side are provided with connection pipe body port end face pressure tightening seal
The sealing gasket of cooperation.
The utility model has the advantages that compared with prior art：
1st, using sealing gasket and sealing ring dual-seal, ensure the sealing of switching valve inoperative filter cylinder side, realize the bitubular
The zero leakage of filter interior；
2nd, seal disc slides in connection pipe body all the time, and with eccentric wheel plane-plane contact all the time, indirect eccentric wheel is to both sides
Seal disc play the role of one and be coaxially oriented to, make switching valve light easy to operate in switching.
Brief description of the drawings
Fig. 1 is vertical partial half view of the present utility model；
Fig. 2 is horizontal partial half view of the present utility model.
In figure：1st, valve body, 2, connection pipe body, 3, support ring, 4, axle sleeve, 5, guide pillar, 6, seal disc, 7, spring, 8, rotating shaft,
9th, key, 10, eccentric wheel, 11, platen, 12, trip bolt, 13, sealing ring, 14, sealing gasket.
Embodiment
The technical solution of the utility model, double-cylinder filter switching valve, including valve body 1, the valve is described in detail with reference to accompanying drawing
The top of body 1 is provided with the hole for being mutually communicated and being connected respectively with hydraulic oil oil inlet pipe and both sides filter cylinder, and the bottom of valve body 1 is provided with phase
Mutually penetrate and the hole that connect respectively with hydraulic oil flowline and both sides filter cylinder, connect valve body 1 with it is neighbouring in the connection pipe body 2 of filter cylinder
The side of valve body 1 is provided with support ring 3, and the guide pillar 5 being slidably matched with the axle sleeve 4, guide pillar 5 are provided with the axle sleeve 4 at the middle part of support ring 3
One end be provided with the seal disc 6 to match with the port of connection pipe body 2, be arranged with bullet on the guide pillar 5 between seal disc 6 and support ring 3
Spring 7, seal disc 6 are provided with spring retainer groove, and one end of spring 7 is arranged on the axle sleeve 4 at the middle part of support ring 3, spring 7 it is another
End is arranged in the spring retainer groove of seal disc 6, and the end cap of valve body 1 is provided with and the end cap of valve body 1 and the cut-off block sealing of the middle part of valve body 1
The rotating shaft 8 being rotatably assorted, it is fixed with by key 9 with the compression fit of single-side sealing disk 6 and for realizing that the side is connected in the rotating shaft 8
The eccentric wheel 10 that body 2 seals, rotating shaft 8 are provided with retaining step, and the side of eccentric wheel 10 is arranged at the retaining step of rotating shaft 8
On, the opposite side of eccentric wheel 10 is compressed spacing by platen 11 and trip bolt 12, and seal disc 6 is the disk that side is provided with boss
The outer rim of body, wherein boss is provided with the sealing ring 13 with the port inner wall of connection pipe body 2 pressure tight sealing engagement, the disc of boss side
It is provided with the sealing gasket 14 of the port end face pressure tight sealing engagement of connection pipe body 2.
Operation principle of the present utility model is：Eccentric wheel is fixed in rotating shaft by key connection, passes through platen and fastening spiral shell
Nail compression is spacing, to prevent that eccentric wheel is in tandem in the port of connection pipe body by guide pillar in rotating shaft above-below direction play, seal disc
Position, single-side sealing disk is compressed to realize the sealing of the side connection pipe body, wherein seal disc with movable eccentric wheel by rotating shaft
On sealing gasket sealing is formed by the connection pipe body port end face that is pressed on of eccentric wheel, the sealing ring on seal disc slips into connection
Tubular body is formed with connection pipe body port inner wall and sealed, and the seal disc of opposite side is in open mode under the action of the spring,
The final switching for realizing double-drum filter both sides filter cylinder.
General principle of the present utility model, principal character and advantage has been shown and described above, it is new not departing from this practicality
On the premise of type spirit and scope, the utility model also has various changes and modifications, and these changes and improvements both fall within requirement and protected
The scope of the utility model of shield.
Claims (4)
1. double-cylinder filter switching valve, including valve body, the top of the valve body be provided be mutually communicated and respectively with hydraulic oil flowline
The hole connected with both sides filter cylinder, the bottom of valve body are provided with what is be mutually communicated and connected respectively with hydraulic oil oil inlet pipe and both sides filter cylinder
Hole, it is characterised in that：The side of proximate valve body is provided with support ring in the connection pipe body of connection valve body and filter cylinder, in the middle part of support ring
The guide pillar being slidably matched with the axle sleeve is provided with axle sleeve, one end of guide pillar is provided with the seal disc to match with connection pipe body port, should
Spring is arranged with guide pillar between seal disc and support ring, valve body end cap is provided with and cut-off block in the middle part of valve body end cap and valve body
The rotating shaft being rotatably assorted is sealed, is fixed with the rotating shaft by key with single-side sealing disk compression fit and for realizing that the side is connected
The eccentric wheel of body sealing.
2. double-cylinder filter switching valve according to claim 1, it is characterised in that：The rotating shaft is provided with retaining step,
Eccentric wheel is fixed on the retaining step of rotating shaft by key and by being arranged at the platen and trip bolt pressure of eccentric wheel opposite side
It is tight spacing.
3. double-cylinder filter switching valve according to claim 1, it is characterised in that：The seal disc is provided with spring retainer
Groove, one end of spring are arranged on the axle sleeve in the middle part of support ring, and the other end of spring is arranged in the spring retainer groove of seal disc.
4. double-cylinder filter switching valve according to claim 1, it is characterised in that：The seal disc is that side is provided with boss
Disc, wherein the outer rim of boss be provided with connection pipe body port inner wall pressure tight sealing engagement sealing ring, the circle of boss side
Disk body is provided with the sealing gasket of connection pipe body port end face pressure tight sealing engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720898438.5U CN206988221U (en) | 2017-07-24 | 2017-07-24 | double-cylinder filter switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720898438.5U CN206988221U (en) | 2017-07-24 | 2017-07-24 | double-cylinder filter switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988221U true CN206988221U (en) | 2018-02-09 |
Family
ID=61416643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720898438.5U Active CN206988221U (en) | 2017-07-24 | 2017-07-24 | double-cylinder filter switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980407A (en) * | 2018-09-05 | 2018-12-11 | 新乡思诚净化设备有限公司 | A kind of switch valve structure on bitubular switch filtering device |
| CN113606362A (en) * | 2021-08-07 | 2021-11-05 | 九通集团有限公司 | Pneumatic disc valve for polycrystalline silicon |
-
2017
- 2017-07-24 CN CN201720898438.5U patent/CN206988221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980407A (en) * | 2018-09-05 | 2018-12-11 | 新乡思诚净化设备有限公司 | A kind of switch valve structure on bitubular switch filtering device |
| CN113606362A (en) * | 2021-08-07 | 2021-11-05 | 九通集团有限公司 | Pneumatic disc valve for polycrystalline silicon |
| CN113606362B (en) * | 2021-08-07 | 2023-12-08 | 九通集团有限公司 | Pneumatic disc valve for polycrystalline silicon |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |