CN110185804A - A kind of resistance to compression pneumatic jack valve - Google Patents
A kind of resistance to compression pneumatic jack valve Download PDFInfo
- Publication number
- CN110185804A CN110185804A CN201910399877.5A CN201910399877A CN110185804A CN 110185804 A CN110185804 A CN 110185804A CN 201910399877 A CN201910399877 A CN 201910399877A CN 110185804 A CN110185804 A CN 110185804A
- Authority
- CN
- China
- Prior art keywords
- supporting block
- spool
- cavity
- pneumatic jack
- valve body
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 title claims abstract description 15
- 238000007906 compression Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 238000001746 injection moulding Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of resistance to compression pneumatic jack valves, including valve body, spool, cavity up and down is equipped in the valve body, the spool installation further includes supporting block, the supporting block is mounted in cavity in the cavities, the lower end of the spool and supporting block are fixedly mounted, the bottom surface of the supporting block is flushed with the bottom surface of valve body, and the supporting block is equipped with venthole, and the venthole is connected to cavity.The present invention is by increasing a supporting block in the bottom of existing pneumatic jack valve, when spool is closed, the pressure that spool upper surface is born can be for delivery in supporting block, and since the bottom surface of supporting block is flushed with the bottom surface of valve body, so it is also to abut with the surface of the mounting hole of mold that the bottom surface of supporting block, which is equivalent to, so that the pressure that spool is born can be directly passed in mold, to reduce the pressure of the contact surface between spool and valve cavity, reduce abrasion between the two, extends the service life of spool.
Description
Technical field
The present invention relates to a kind of plastic mould fields, the especially demoulding mechanism of mold.
Background technique
For in plastics injection mould, after product injection molding, most of is all that the mode of air blowing is used to make product
Demoulding, and realize the blowing function is common pneumatic jack valve.In the prior art, pneumatic jack valve generally comprises valve body, spool, valve
Cavity is equipped in body, spool is installed in the cavities, so that spool can move up and down in valve body.The top of spool is general
It is provided with the seal head of taper, and the lower part of spool is hidden in cavity, the upper end of the cavity of valve body is equipped with the step surface of taper, valve
Reset spring is cased with outside core, reset spring provides pressure, so that the seal head of spool closely covers the upper end of cavity.It uses
When valve body has been mounted in mold, when complete injection molding when, ventilate into mold, gas acts on the bottom of valve body,
To upward pressure to spool generation, air pressure overcomes the pressure of spring, and spool is forced to move up, so that cavity is opened, gas
Body is discharged from the upper end of pneumatic operated valve, to blow out the product that injection molding is completed.
But since during the work time, the top of spool will receive always the injection molding pressure of product, and due to valve
Core relies only on conical step surface support completely.After long-term compression and moving back and forth, conical step surface can be easy to cause to be ground
Damage, so that it is poorly sealed, lead to shaped article leak adhesive, play cloak, and then the cavity of pneumatic jack cannot be used, to generate gas leakage
Phenomenon.
Summary of the invention
A kind of above-mentioned insufficient pneumatic jack valve more durable is overcome the technical problem to be solved by the present invention is providing.
The solution that the present invention solves its technical problem is: a kind of resistance to compression pneumatic jack valve, including valve body, spool, the valve
Cavity up and down is equipped in body, the spool installation further includes supporting block, the supporting block is mounted on cavity in the cavities
Interior, the lower end of the spool and supporting block are fixedly mounted, and the bottom surface of the supporting block is flushed with the bottom surface of valve body, the supporting block
Be equipped with venthole, the venthole is connected to cavity.
The beneficial effects of the present invention are: the present invention works as valve by increasing a supporting block in the bottom of existing pneumatic jack valve
When core is closed, the pressure that spool upper surface is born can be for delivery to the bottom surface and valve body in supporting block, and due to supporting block
Bottom surface flush, so the bottom surface of supporting block be equivalent to be also abutted with the surface of the mounting hole of mold so that spool institute
The pressure of receiving can be directly passed in mold, thus reduce the pressure of the contact surface between spool and valve cavity,
Reduce abrasion between the two, extends the service life of spool.
It as a further improvement of the above technical scheme, further include gasket, the gasket is placed in the bottom of valve body, the pad
Air hole is equipped in piece.The gasket is that the high metal gasket of intensity not only can be convenient by increasing gasket to pneumatic jack valve
Mounting height is adjusted, and gasket can play the stress condition for improving supporting block, so that the anti-pressure ability of pneumatic jack valve is more
Height avoids external force when disassembly from acting directly on valve in addition, can be dismantled by gasket when dismantling valve body
On body.Meanwhile using the air hole on gasket, air inflow not only can control, but also the gas being passed through into mold can be made
Body can preferably enter pneumatic jack valve, to jack up spool.
As a further improvement of the above technical scheme, the upper end of the gasket is equipped with mounting groove, the lower part of the valve body
It is embedded in mounting groove, by combining gasket and valve body installation, the integraty of product can be improved.
As a further improvement of the above technical scheme, the upper end of the supporting block is equipped with groove, the lower end of the spool
Equipped with convex block, the convex block insertion is in a groove.Using the interference fit of convex block and groove so that spool formed with supporting block it is good
Good fixed installation.
As a further improvement of the above technical scheme, the convex block and spool are integrally formed.
As a further improvement of the above technical scheme, boss is equipped in the cavity, between the boss and supporting block
Equipped with elastic component.Using elastic component, so that spool and valve body form good closed state in the case where not blowing.
As a further improvement of the above technical scheme, there are four the ventholes, venthole described in four uniformly divides
Cloth is in supporting block.
As a further improvement of the above technical scheme, the centre of the supporting block is additionally provided with gas vent.It is set in supporting block
Gas vent is set, so that spool and supporting block will not be formed with air layer when installation between the two.
As a further improvement of the above technical scheme, the upper end of the spool is in back taper, the upper end of the cavity
It is in back taper.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is explosive view of the invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is the cross-sectional view of another embodiment of the invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text
All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding
Few couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Embodiment one: referring to Fig.1~Fig. 2, a kind of resistance to compression pneumatic jack valve, including valve body 1, spool 2, the upper end of the spool are in
Back taper, the upper end of the cavity are also that cavity 11 up and down is equipped in the valve body 1 in back taper, and the spool 2 is pacified
It further include supporting block 3 in cavity 11, the supporting block 3 is mounted in cavity 11, and the upper end of the supporting block 3 is equipped with recessed
The lower end of slot 32, the spool 2 is equipped with convex block 21, and the convex block 21 is embedded in groove 32, and the centre of the supporting block 3 is also set
There is a gas vent 33, the exhaust outlet is against groove 32.The bottom surface of the supporting block 3 is flushed with the bottom surface of valve body 1, the supporting block
It is set on 3 there are four the venthole 31 being evenly distributed in supporting block, the venthole 31 is connected to cavity 11.Under the valve body
Side is additionally provided with gasket 4, is equipped with air hole 41 in the gasket.Boss 12, the boss 12 and branch are equipped in the cavity 11
Helical spring 5 is equipped between bracer 3, the upper end of the helical spring 5 resists the lower surface of boss 12, and the lower end of helical spring
Resist the upper surface of supporting block.Referring to fig. 2, the shape of the cavity carries out the tune of adaptability according to the component being arranged in cavity
Whole, in the present embodiment, the shape of the upper end of cavity and the upper end shape of spool are identical, then down, cavity at cylinder, then
Down, need to be mounted so that helical spring, the internal diameter of cavity suitably expand, to accommodate helical spring, then again down, by
It is needed to install in the cavities in supporting block, the internal diameter further expansion of the cavity.
When work, by the pneumatic jack valve as in the installation cavity of mold, the lower surface of gasket 4 and the bottom of installation cavity
Face abuts, and the upper surface of gasket 4 is abutted with the bottom surface of valve body 1, and when installation cavity is not passed through air, spool is in spiral bullet
Under the action of spring, formed between the back taper head of spool and cavity decide it is closed；And after the completion of injection molding, it needs product
When ejection, pressure-air is passed through into installation cavity, the air hole 41 that pressure-air first passes around gasket 4 enters gasket
Between valve body, then air pressure up pushes up supporting block, supporting block upward sliding, so that between supporting block and gasket
Gap increases, and then air enters cavity from the venthole 31 of supporting block, and air continues up to jack up valve after entering cavity
Core, since the head of spool is taper, so no longer sealed between spool and valve body after spool moves up certain distance,
Gas is smoothly discharged from spool upwards, into release product after molding.
Embodiment two: between the spool and supporting block other than being interference fit assembling, it can use screw well
Both mode is assembled, and being screwed into screw from the bottom of supporting block, then screw is screwed into always the bottom of spool, thus complete
Assembling, remaining structure is identical with embodiment one.When being assembled using screw, there is no need to exhaust is in addition arranged
Kong Liao.
Embodiment three, the elastic component other than being helical spring, can also be elastic slice, Elastic plastic-rubber etc. other
Flexible component.Remaining structure is identical with embodiment one.
Example IV: the venthole can also be 3 or 5 other than being 4, according to need to use ventilation
Actual displacement carries out selective control.Remaining structure is identical with embodiment one.
Embodiment five is provided with mounting groove referring to Fig. 3 on gasket, and 1 nesting of valve body is mounted in mounting groove.Remaining knot
Structure is identical with embodiment one.In example 1, valve body is the top for being shelved on gasket when use, is phase between the two
To independent, and in the present embodiment, by fitting together valve body and gasket, the integraty of product can be improved, reduce
Loss of the product in packed and transported.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (9)
1. cavity up and down, the spool installation are equipped with a kind of resistance to compression pneumatic jack valve, including valve body, spool, in the valve body
In the cavities, it is characterised in that: further include supporting block, the supporting block is mounted in cavity, the lower end of the spool and support
Block is fixedly mounted, and the bottom surface of the supporting block is flushed with the bottom surface of valve body, and the supporting block is equipped with venthole, the venthole
It is connected to cavity.
2. resistance to compression pneumatic jack valve according to claim 1, it is characterised in that: further include gasket, the gasket is placed in valve body
Bottom is equipped with air hole in the gasket.
3. resistance to compression pneumatic jack valve according to claim 1, it is characterised in that: the upper end of the gasket is equipped with mounting groove, described
The lower part of valve body is embedded in mounting groove.
4. resistance to compression pneumatic jack valve according to claim 1, it is characterised in that: the upper end of the supporting block is equipped with groove, described
The lower end of spool is equipped with convex block, and the convex block insertion is in a groove.
5. resistance to compression pneumatic jack valve according to claim 4, it is characterised in that: the convex block and spool are integrally formed.
6. resistance to compression pneumatic jack valve according to claim 1, it is characterised in that: in the cavity be equipped with boss, the boss with
Elastic component is equipped between supporting block.
7. resistance to compression pneumatic jack valve according to claim 1, it is characterised in that: there are four the ventholes, leads to described in four
Stomata is evenly distributed in supporting block.
8. resistance to compression pneumatic jack valve according to claim 1, it is characterised in that: the centre of the supporting block is additionally provided with gas vent.
9. resistance to compression pneumatic jack valve according to claim 1, it is characterised in that: the upper end of the spool is in back taper, the sky
The upper end of chamber is also in back taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399877.5A CN110185804A (en) | 2019-05-14 | 2019-05-14 | A kind of resistance to compression pneumatic jack valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399877.5A CN110185804A (en) | 2019-05-14 | 2019-05-14 | A kind of resistance to compression pneumatic jack valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185804A true CN110185804A (en) | 2019-08-30 |
Family
ID=67716304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910399877.5A Pending CN110185804A (en) | 2019-05-14 | 2019-05-14 | A kind of resistance to compression pneumatic jack valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185804A (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144946A (en) * | 1995-11-24 | 1997-06-03 | Dengiyoushiya Kikai Seisakusho:Kk | Discharging valve |
| JP2001050133A (en) * | 1999-08-06 | 2001-02-23 | Hitachi Ltd | Electronic fuel injection valve |
| CN1293741A (en) * | 1998-03-23 | 2001-05-02 | 凯恩斯科尔普技术有限公司 | Valve with fluid shock absorbing properties |
| JP2005315414A (en) * | 2004-03-30 | 2005-11-10 | Kurimoto Ltd | Slow closing-type valve device |
| DE202006009403U1 (en) * | 2006-06-14 | 2006-08-17 | Marco Systemanalyse Und Entwicklung Gmbh | Pressure limiting valve e.g. for hydraulic systems, has body in which piston is adjustable in axial direction against pressure of compression spring and flow channel arranged in body has tap in rigid connection |
| JP2006239836A (en) * | 2005-03-04 | 2006-09-14 | Chugoku Electric Power Co Inc:The | Valve seat lapping device |
| KR20090089624A (en) * | 2008-02-19 | 2009-08-24 | 김태균 | Pressure reducing valve with strongly reinforced structure |
| CN101660549A (en) * | 2009-09-27 | 2010-03-03 | 中航力源液压股份有限公司 | Composite high pressure valve in closed system |
| WO2010135902A1 (en) * | 2009-05-27 | 2010-12-02 | 泸州川油钻采工具有限公司 | High-low pressure pilot valve |
| CN102486238A (en) * | 2010-12-06 | 2012-06-06 | 东辉休闲运动用品(上海)有限公司 | One-way valve |
| EP2719516A1 (en) * | 2012-10-11 | 2014-04-16 | Comercial de Utiles y Moldes, S.A. | Valve for plastic injection molds |
| CN104100425A (en) * | 2014-07-23 | 2014-10-15 | 哈尔滨工程大学 | Electronically-controlled common-rail oil injector of heavy-oil diesel for ship |
| CN204226765U (en) * | 2014-10-14 | 2015-03-25 | 北京谊安医疗系统股份有限公司 | A kind of spring safety valve and Anesthesia machine |
| CN204922148U (en) * | 2015-08-17 | 2015-12-30 | 隆中控股集团有限公司 | Main oil gallery voltage limiting valve |
| CN105626761A (en) * | 2016-02-28 | 2016-06-01 | 瑞安市万业电器有限公司 | Efficient vehicle airbag shock absorber |
| JP2016138641A (en) * | 2015-01-29 | 2016-08-04 | アドバンス電気工業株式会社 | Valve seat seal structure of fluid control valve |
| US20170030476A1 (en) * | 2014-06-25 | 2017-02-02 | Ihi Corporation | Pneumatically-actuated valve |
| JP6086177B1 (en) * | 2016-05-16 | 2017-03-01 | 住友金属鉱山株式会社 | Cone valve |
| CN206145202U (en) * | 2016-11-09 | 2017-05-03 | 佛山一精模具配件有限公司 | Accurate gas cap valve |
| CN107654718A (en) * | 2017-10-30 | 2018-02-02 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of two-part pneumatic valve group filling for big flow and packaging process |
| US20190107222A1 (en) * | 2017-10-11 | 2019-04-11 | Master Flo Valve Inc. | Rotary Stepping Actuator for Valve |
| CN210265872U (en) * | 2019-05-14 | 2020-04-07 | 佛山一精模具配件有限公司 | Resistance to compression gas cap valve |
-
2019
- 2019-05-14 CN CN201910399877.5A patent/CN110185804A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09144946A (en) * | 1995-11-24 | 1997-06-03 | Dengiyoushiya Kikai Seisakusho:Kk | Discharging valve |
| CN1293741A (en) * | 1998-03-23 | 2001-05-02 | 凯恩斯科尔普技术有限公司 | Valve with fluid shock absorbing properties |
| JP2001050133A (en) * | 1999-08-06 | 2001-02-23 | Hitachi Ltd | Electronic fuel injection valve |
| JP2005315414A (en) * | 2004-03-30 | 2005-11-10 | Kurimoto Ltd | Slow closing-type valve device |
| JP2006239836A (en) * | 2005-03-04 | 2006-09-14 | Chugoku Electric Power Co Inc:The | Valve seat lapping device |
| DE202006009403U1 (en) * | 2006-06-14 | 2006-08-17 | Marco Systemanalyse Und Entwicklung Gmbh | Pressure limiting valve e.g. for hydraulic systems, has body in which piston is adjustable in axial direction against pressure of compression spring and flow channel arranged in body has tap in rigid connection |
| KR20090089624A (en) * | 2008-02-19 | 2009-08-24 | 김태균 | Pressure reducing valve with strongly reinforced structure |
| WO2010135902A1 (en) * | 2009-05-27 | 2010-12-02 | 泸州川油钻采工具有限公司 | High-low pressure pilot valve |
| CN101660549A (en) * | 2009-09-27 | 2010-03-03 | 中航力源液压股份有限公司 | Composite high pressure valve in closed system |
| CN102486238A (en) * | 2010-12-06 | 2012-06-06 | 东辉休闲运动用品(上海)有限公司 | One-way valve |
| EP2719516A1 (en) * | 2012-10-11 | 2014-04-16 | Comercial de Utiles y Moldes, S.A. | Valve for plastic injection molds |
| US20170030476A1 (en) * | 2014-06-25 | 2017-02-02 | Ihi Corporation | Pneumatically-actuated valve |
| CN104100425A (en) * | 2014-07-23 | 2014-10-15 | 哈尔滨工程大学 | Electronically-controlled common-rail oil injector of heavy-oil diesel for ship |
| CN204226765U (en) * | 2014-10-14 | 2015-03-25 | 北京谊安医疗系统股份有限公司 | A kind of spring safety valve and Anesthesia machine |
| JP2016138641A (en) * | 2015-01-29 | 2016-08-04 | アドバンス電気工業株式会社 | Valve seat seal structure of fluid control valve |
| CN204922148U (en) * | 2015-08-17 | 2015-12-30 | 隆中控股集团有限公司 | Main oil gallery voltage limiting valve |
| CN105626761A (en) * | 2016-02-28 | 2016-06-01 | 瑞安市万业电器有限公司 | Efficient vehicle airbag shock absorber |
| JP6086177B1 (en) * | 2016-05-16 | 2017-03-01 | 住友金属鉱山株式会社 | Cone valve |
| CN206145202U (en) * | 2016-11-09 | 2017-05-03 | 佛山一精模具配件有限公司 | Accurate gas cap valve |
| US20190107222A1 (en) * | 2017-10-11 | 2019-04-11 | Master Flo Valve Inc. | Rotary Stepping Actuator for Valve |
| CN107654718A (en) * | 2017-10-30 | 2018-02-02 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of two-part pneumatic valve group filling for big flow and packaging process |
| CN210265872U (en) * | 2019-05-14 | 2020-04-07 | 佛山一精模具配件有限公司 | Resistance to compression gas cap valve |
Non-Patent Citations (2)
| Title |
|---|
| 杨建露;: "乳化液泵安全阀的结构优化研究", 煤矿现代化, no. 02, pages 66 - 68 * |
| 陈烨波;许静;倪敬;: "液压换向阀阀芯液膜支承力和泄漏研究", 杭州电子科技大学学报(自然科学版), no. 05, 15 September 2018 (2018-09-15), pages 64 - 69 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201693140U (en) | Core-shooting self-closing sand-shooting nozzle | |
| CN110185804A (en) | A kind of resistance to compression pneumatic jack valve | |
| CN210265872U (en) | Resistance to compression gas cap valve | |
| CN114321711A (en) | One-way bottleneck valve suitable for torch is handed to hydrogen energy | |
| CN211039697U (en) | Pneumatic angle seat valve | |
| CN206220913U (en) | Packer | |
| CN105818341B (en) | A kind of pitched roof mechanism of injection mold | |
| CN207859396U (en) | A kind of inner core pulling exits break away from moulds at twice after shrinking | |
| US6485288B2 (en) | Close-style leak preventing device for a fluid shooting nozzle of an injection molding machine | |
| CN211039692U (en) | Rotation stopping gas cap valve | |
| CN205207862U (en) | Pneumatic plunger valve of PTFE | |
| CN212899734U (en) | High-efficient seal structure is used to axle sleeve | |
| CN100495832C (en) | Method for preventing vulcanized rubber entering into jack | |
| CN208664292U (en) | A kind of mold convenient for whole circle screw thread demoulding | |
| CN110182459B (en) | Liquid leakage-proof foam pump | |
| CN208208535U (en) | A kind of ignition coil high pressure damping resistance connection structure | |
| CN209012465U (en) | A kind of flap | |
| CN205969914U (en) | Injection blow molding machine mold core push pedal maintain the body | |
| CN218966034U (en) | Pipe fitting mould with slider grading core-pulling mechanism | |
| CN204878895U (en) | Novel inner tube inflator valve structure | |
| US10894228B2 (en) | Inflatable valve filter | |
| CN205835879U (en) | Injection mold air blowing mould release mechanism | |
| KR200171410Y1 (en) | The first valve for finger spray | |
| CN110508558A (en) | Without spring dust blower | |
| CN217271925U (en) | Normally closed pneumatic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |