CN208237107U - A kind of vacuum pressure release switching valve - Google Patents
A kind of vacuum pressure release switching valve Download PDFInfo
- Publication number
- CN208237107U CN208237107U CN201820718271.4U CN201820718271U CN208237107U CN 208237107 U CN208237107 U CN 208237107U CN 201820718271 U CN201820718271 U CN 201820718271U CN 208237107 U CN208237107 U CN 208237107U
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- CN
- China
- Prior art keywords
- spool
- valve
- main body
- outlet
- pressure release
- 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.)
- Expired - Fee Related
Links
- 210000004907 gland Anatomy 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 10
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a kind of vacuum pressure release switching valve, including valve body and spool, valve body includes air flue and valve seat orifice, the axis of valve seat orifice and the axis vertical take-off of air flue；Air flue passes through the working face of valve seat orifice, the first outlet of air flue connects vacuum source, and second outlet receives control equipment, and the opening of valve seat orifice is located at the front end face of valve body, the main body of spool is inserted into valve seat orifice from the opening, and the working face of spool main body is adapted to the working face of valve seat orifice；Spool main body includes air passage and discouraged road, and the outlet of the axis vertical take-off of air passage and spool, air passage both ends is located on the working face of spool main body；Discouraged road includes an inlet and an outlet, and outlet is located at the rear portion of spool main body, and external with valve body is connected to；Entrance is located at the working face of spool main body, and the circumferential direction with air passage in spool is staggered.The air passage of the utility model and discouraged road are all on spool, and vacuum pressure release conversion valve arrangement is simple, small in size, easy to operate, and cost is relatively low.
Description
Technical field]
The utility model relates to switching valve more particularly to a kind of vacuum pressure release switching valves.
Background technique]
Traditional polishing machine equipment vacuum absorption workpiece realizes each work by the switch of electrical control vacuum generator
The function of disk while vacuum and pressure release simultaneously.
A kind of application number: vacuum triple valve of the disclosure of the invention of CN201511016819.8, comprising: cylinder, valve body and
Baffle；Wherein, the right end of cylinder is arranged in valve body, comprising: valve body and the left end cap and right end that valve body both ends are arranged in
Lid；It is provided with left through-hole and the first gas source interface on left end cap, the second gas source interface, the side wall of valve body are provided on right end cap
On be provided with vacuum chamber interface；The right end of the air cylinder connecting rod connection of cylinder passes through the inner cavity that left through-hole protrudes into valve body；Baffle position
In valve body inner cavity and be removably disposed in the right end of push rod.According to the present invention, second when baffle is located at valve body left end
Gas circuit between gas source interface and vacuum chamber interface is opened, the first gas source interface and vacuum when baffle is located at the valve body right end
Gas circuit between the interface of room is opened, and vacuum environment and antivacuum can be fast implemented by being moved left and right in valve body by controlling baffle
The conversion of environment.
The vacuum triple valve volume of the disclosure of the invention is big, structure is complicated, is not able to satisfy polissoir applies vacuum and pressure release
Needs.
Summary of the invention]
The technical problem to be solved by the present invention is to provide a kind of small in size, simple vacuum pressure release switching valves of structure.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is a kind of vacuum pressure release switching valve, packet
Include valve body and spool, valve body includes air flue and valve seat orifice, the axis of valve seat orifice and the axis vertical take-off of air flue；Air flue passes through valve seat orifice
Working face, the first outlet of air flue connects vacuum source, and second outlet receives control equipment, and the opening of valve seat orifice is located at the front end of valve body
The main body in face, spool is inserted into valve seat orifice from the opening, and the working face of spool main body is adapted to the working face of valve seat orifice；Valve
Core main body includes air passage and discouraged road, and the outlet of the axis vertical take-off of air passage and spool, air passage both ends is located at spool main body
Working face on；Discouraged road includes an inlet and an outlet, and outlet is located at the rear portion of spool main body, and external with valve body is connected to；Entrance
Positioned at the working face of spool main body, the circumferential direction with air passage in spool is staggered；In the first operating position of valve core rotation, spool
The first outlet and second outlet of air passage connection valve body；In the second operating position of valve core rotation, the discouraged road of spool is connected to
Outside two outlets of valve body and valve body.
Above-described vacuum pressure release switching valve, the working face are circular conical surface.
Above-described vacuum pressure release switching valve, including gland, pressure spring and tommy bar, spool include preceding axle journal, the valve
Core main body and rear shaft neck, preceding axle journal, spool main body and rear shaft neck are sequentially connected in series simultaneously coaxial；Gland is fixed on the front end face of valve body,
Including pre-small post-large stepped hole, the preceding axle journal of spool passes through stepped hole, the front end of axle journal before one end of tommy bar is fixed on；Pressure spring
It covers on preceding axle journal, the front end face of spool main body is withstood in front end, and rear end resists the bottom surface of stepped hole macropore；It wraps at the rear portion of valve seat orifice
Bearing bore is included, the rear shaft neck of spool is inserted into the bearing bore at rear portion, is supported by the bearing bore at rear portion, the preceding axle journal of spool is by gland ladder
The aperture in hole supports.
Above-described vacuum pressure release switching valve, the front end face of gland include using valve seat orifice center as the arc-shaped limit in the center of circle
Slot, the corresponding central angle of arc limit slot are 90 °；Lose heart road entrance and air passage of spool in the circumferential staggered angle of spool is 90 °；
The one side of tommy bar towards gland includes positioning pin, and positioning pin is inserted into arc limit slot.
The outlet of above-described vacuum pressure release switching valve, the road that loses heart is located at the rear end face of spool main body, gland stepped hole
The bottom surface of macropore includes the external through-hole being connected to valve body.
Above-described vacuum pressure release switching valve, the front of valve seat orifice include bearing bore, and the front of spool main body is by front
Bearing bore bearing；The front of spool main body and the bearing bore of front are sealed by the first sealing ring；The rear shaft neck of spool and holding for rear portion
Hole is sealed by the second sealing ring.
Above-described vacuum pressure release switching valve, including spool return mechanism, spool return mechanism include returning pull-spring and
Lever, the bearing bore at valve seat orifice rear portion are through-hole, and the rear shaft neck of spool passes through the bearing bore at rear portion；The first end of spring lever is fixed on
The end of rear shaft neck, the first end of returning pull-spring hang over the second end of spring lever, and the second end of returning pull-spring is fixed on valve body
The back side.
Above-described vacuum pressure release switching valve, spool return mechanism include pulley and pulley spindle, and pulley spindle is fixed on valve
The body back side, pulley pine cover on pulley spindle, and the middle part of returning pull-spring bypasses pulley.
Above-described vacuum pressure release switching valve, the pulling force of returning pull-spring make spool return to the first operating position.
Above-described vacuum pressure release switching valve, valve body include ontology and valve pocket, and ontology includes the valve pocket hole of front opening,
Valve pocket is embedded into valve pocket hole, and the two is fixed by pin；The air flue perforation ontology and valve pocket, ontology include the air flue
First outlet and second outlet；Valve pocket includes the valve seat orifice；The front of valve pocket and the front in valve pocket hole are close by third
Seal sealing.
For the air passage and discouraged road of the utility model vacuum pressure release switching valve all on spool, valve arrangement is converted in vacuum pressure release
Simply, small in size, easy to operate, cost is relatively low.
Detailed description of the invention]
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the main view of the utility model embodiment vacuum pressure release switching valve.
Fig. 2 is the right view of the utility model embodiment vacuum pressure release switching valve.
Fig. 3 is the rearview of the utility model embodiment vacuum pressure release switching valve.
Fig. 4 is B in Fig. 2 to cross-sectional view.
Fig. 5 be in Fig. 1 valve core rotation to the A of the second operating position to cross-sectional view.
Fig. 6 be in Fig. 1 valve core rotation to the A of the first operating position to cross-sectional view.
Fig. 7 is the perspective view of the utility model embodiment vacuum pressure release switching valve.
Fig. 8 is the exploded perspective view of the utility model embodiment vacuum pressure release switching valve.
Fig. 9 is the utility model embodiment vacuum pressure release switching valve exploded side figure.
Specific embodiment]
The structure of the utility model embodiment vacuum pressure release switching valve is as shown in Figures 1 to 9, including valve body 100, spool 1,
Gland 2, pressure spring 3, tommy bar 4 and spool return mechanism.
Valve body 100 is made of the ontology 5 and valve pocket 6 of cube, and ontology 5 has the valve pocket hole 501 an of front opening, valve pocket
6 are embedded into valve pocket hole 501, and the front of valve pocket 6 is sealed with the front in valve pocket hole 501 by sealing ring 11, also logical between the two
It is fixed to cross two pins 12.
Valve body 100 includes air flue 502 and valve seat orifice 601, the axis of valve seat orifice 601 and the axis vertical take-off of air flue.Air flue 502
Across the working face of valve seat orifice 601, the first outlet 503 of air flue 502 is for connecing vacuum source, and second outlet 504 is for receiving control
Equipment, the opening of valve seat orifice 601 are located at the front end face of valve body 100.
Air flue 502 penetrates through ontology 5 and valve pocket 6, there is the first outlet 503 and second outlet 504 of air flue 502 on ontology 5.Valve
There is the valve seat orifice 601 cooperated with spool main body 101 in set 6.The working face 109 of spool main body 101 and the working face of valve seat orifice 601
For the circular conical surface being mutually adapted.
Spool 1 is made of preceding axle journal 102, spool main body 101 and rear shaft neck 103, preceding axle journal 102, spool main body 101 and after
Axle journal 103 is sequentially connected in series simultaneously coaxial.
Spool main body 101 is inserted into valve seat orifice 601 from the opening of 100 front of valve body, and spool main body 101 includes air passage
104 and L-shaped discouraged road 105, the outlet of the axis vertical take-off of air passage 104 and spool 1,104 both ends of air passage be located at spool master
On the working face of body 101.
The discouraged road 105 of L shape includes entrance 106 and outlet 107, and the outlet 107 in the road 105 that loses heart is located at spool main body 101
Rear end face, external with valve body 100 are connected to, and are used for pressure release.Entrance 106 is located on the working face of spool main body 101, with air passage
104 mutually stagger 90 ° in the circumferential direction of spool 1.
Gland 2 is fixed on the front end face of valve body 100 with 4 screws, and gland 2 has a pre-small post-large stepped hole, before spool 1
Axle journal 102 passes through stepped hole, the front end of axle journal 102 before one end of tommy bar 4 is fixed on.
3 sets of pressure spring on preceding axle journal 102, the front end face of spool main body 101 is withstood in 3 front end of pressure spring, and rear end resists stepped hole
The bottom surface of macropore 201, the strength of pressure spring 3 allow spool main body 101 firmly to resist valve seat orifice 601, realize the two sealing.
Ontology 5 has a bearing bore 505 at the rear of valve seat orifice 601, and bearing bore 505 is through-hole, and the rear shaft neck 103 of spool 1 is worn
Bearing bore 505 is crossed, and is supported by bearing bore 505, the preceding axle journal 102 of spool 1 is supported by the aperture 202 of 2 stepped hole of gland.
There is a cylindrical bearing bore 602 in the front of valve seat orifice 601, the front of spool main body 101 by front bearing bore 602
Bearing.The front of spool main body 101 is sealed with bearing bore 602 by sealing ring 13.The rear shaft neck 103 of spool 1 passes through with bearing bore 505
Two sealing rings 14 seal.
The front end face of gland 2 have one using the center of valve seat orifice 601 as the arc limit slot 204 in the center of circle, arc limit slot
204 corresponding central angles are 90 °.Tommy bar 4 has a positioning pin 401 towards gland 2 on one side, and positioning pin 401 is inserted into arc
In limiting slot 204, so the angle that tommy bar 4 and spool 1 can rotate is 90 °.
There is the external through-hole 205 being connected to valve body 100 on the bottom surface of 2 stepped hole macropore 201 of gland, to be connected to
The atmosphere of outside.
Spool return mechanism includes returning pull-spring 15, lever 16, pin 17, pulley 18 and pulley spindle 19.The of lever 16
One end is fixed on the end of rear shaft neck 103, and the first end of returning pull-spring 15 hangs over the second end of lever 16, and the of returning pull-spring 15
Two ends are fixed on the pin 17 at 100 back side of valve body.
Pulley spindle 19 is fixed on the top at 100 back side of valve body, and 18 pine of pulley covers on pulley spindle 19, in returning pull-spring 15
Portion bypasses pulley 18.
Tommy bar 4 is the first operating position of spool 1 to when rotating counterclockwise to extreme position, in the first operating position, valve
The air passage 104 of core 1 is connected to the first outlet 503 and second outlet 504 of valve body 100, and vacuum source exports vacuum to controlled equipment
Suction, equipment normal operation.Tommy bar 4 is the second operating position of spool 1 to when being rotated clockwise to another extreme position,
Second operating position, the discouraged road 105 of spool 1 are connected to outside two outlets 504 and valve body 100 of valve body 100, and controlled equipment is let out very
Sky, at this point, operator can unclamp tommy bar 4 with workpiece loading and unloading, after work-handling, the pulling force of returning pull-spring is returned by spool 1
Again to the first operating position.
The air passage 104 and discouraged road 105 of the utility model above embodiments vacuum pressure release switching valve all on spool 1,
Vacuum pressure release conversion valve arrangement is simple, small in size, easy to operate, and cost is relatively low.
Claims (10)
1. a kind of vacuum pressure release switching valve, including valve body and spool, valve body includes air flue and valve seat orifice, the axis and gas of valve seat orifice
The axis vertical take-off in road；Air flue passes through the working face of valve seat orifice, and the first outlet of air flue connects vacuum source, and second outlet receives control machine
Tool, which is characterized in that the opening of valve seat orifice is located at the front end face of valve body, and the main body of spool is inserted into valve seat orifice from the opening
In, the working face of spool main body is adapted to the working face of valve seat orifice；Spool main body includes air passage and discouraged road, air passage and valve
The outlet of the axis vertical take-off of core, air passage both ends is located on the working face of spool main body；Discouraged road includes an inlet and an outlet, outlet
Positioned at the rear portion of spool main body, external with valve body is connected to；Entrance is located at the working face of spool main body, with air passage in spool
Circumferentially it is staggered；In the first operating position of valve core rotation, the first outlet and second outlet of the air passage connection valve body of spool；?
Second operating position of valve core rotation, the discouraged road of spool are connected to outside two outlets and valve body of valve body.
2. vacuum pressure release switching valve according to claim 1, which is characterized in that the working face is circular conical surface.
3. vacuum pressure release switching valve according to claim 1, which is characterized in that including gland, pressure spring and tommy bar, spool packet
Preceding axle journal, the spool main body and rear shaft neck are included, preceding axle journal, spool main body and rear shaft neck are sequentially connected in series simultaneously coaxial；Gland is solid
It is scheduled on the front end face of valve body, including pre-small post-large stepped hole, the preceding axle journal of spool passes through stepped hole, and one end of tommy bar is fixed on
The front end of preceding axle journal；For compression spring sleeve on preceding axle journal, the front end face of spool main body is withstood in front end, and rear end resists the bottom of stepped hole macropore
Face；The rear portion of valve seat orifice includes bearing bore, and the rear shaft neck of spool is inserted into the bearing bore at rear portion, is supported by the bearing bore at rear portion, spool
Preceding axle journal by gland stepped hole aperture support.
4. vacuum pressure release switching valve according to claim 3, which is characterized in that the front end face of gland includes in valve seat orifice
The heart is the arc limit slot in the center of circle, and the corresponding central angle of arc limit slot is 90 °；The discouraged road entrance of spool and air passage are in spool
Circumferential staggered angle be 90 °；The one side of tommy bar towards gland includes positioning pin, and positioning pin is inserted into arc limit slot.
5. vacuum pressure release switching valve according to claim 3, which is characterized in that the outlet in the road that loses heart is located at spool main body
Rear end face, the bottom surface of gland stepped hole macropore include the external through-hole being connected to valve body.
6. vacuum pressure release switching valve according to claim 3, which is characterized in that the front of valve seat orifice includes bearing bore, spool
The front of main body is supported by the bearing bore of front；The front of spool main body and the bearing bore of front are sealed by the first sealing ring；Spool
Rear shaft neck and rear portion bearing bore pass through the second sealing ring seal.
7. vacuum pressure release switching valve according to claim 3, which is characterized in that including spool return mechanism, spool return
Mechanism includes returning pull-spring and lever, and the bearing bore at valve seat orifice rear portion is through-hole, and the rear shaft neck of spool passes through the bearing bore at rear portion；Spring
The first end of lever is fixed on the end of rear shaft neck, and the first end of returning pull-spring hangs over the second end of spring lever, returning pull-spring
Second end be fixed on the valve body back side.
8. vacuum pressure release switching valve according to claim 7, which is characterized in that spool return mechanism includes pulley and pulley
Axis, pulley spindle are fixed on the valve body back side, and pulley pine covers on pulley spindle, and the middle part of returning pull-spring bypasses pulley.
9. vacuum pressure release switching valve according to claim 7, which is characterized in that the pulling force of returning pull-spring makes spool return to
One operating position.
10. vacuum pressure release switching valve according to claim 1, which is characterized in that valve body includes ontology and valve pocket, ontology packet
The valve pocket hole of front opening is included, valve pocket is embedded into valve pocket hole, and the two is fixed by pin；The air flue perforation ontology and valve
Set, ontology includes the first outlet and second outlet of the air flue；Valve pocket includes the valve seat orifice；The front of valve pocket and valve pocket
The front in hole is sealed by third sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820718271.4U CN208237107U (en) | 2018-05-15 | 2018-05-15 | A kind of vacuum pressure release switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820718271.4U CN208237107U (en) | 2018-05-15 | 2018-05-15 | A kind of vacuum pressure release switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208237107U true CN208237107U (en) | 2018-12-14 |
Family
ID=64579425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820718271.4U Expired - Fee Related CN208237107U (en) | 2018-05-15 | 2018-05-15 | A kind of vacuum pressure release switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208237107U (en) |
-
2018
- 2018-05-15 CN CN201820718271.4U patent/CN208237107U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 |