CN106111430B - Piezoelectric type injection valve - Google Patents
Piezoelectric type injection valve Download PDFInfo
- Publication number
- CN106111430B CN106111430B CN201610722928.XA CN201610722928A CN106111430B CN 106111430 B CN106111430 B CN 106111430B CN 201610722928 A CN201610722928 A CN 201610722928A CN 106111430 B CN106111430 B CN 106111430B
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- CN
- China
- Prior art keywords
- striker
- valve body
- main valve
- spliced eye
- pinch plate
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention is suitable for injection valve technical field, provides a kind of piezoelectric type injection valve, including main valve body, valve seat, striker, pinch plate and bolt, piezoelectric blocks and energy-stored spring are provided in main valve body, valve seat includes pedestal and nozzle.Valve seat is placed on pinch plate, and one end and the main valve body of pinch plate are pivotally connected, and the other end offers spliced eye, spliced eye is offered on main valve body, and bolt is arranged in the spliced eye of pinch plate and the spliced eye of main valve body.The module assembled of the valve seat of the present invention as a whole is on main valve body.When valve seat needs cleaning, bolt is extracted or is removed the spliced eye of pinch plate, you can pinch plate is rotated around main valve body, valve seat can entirely be removed at this time, consequently facilitating being cleaned to valve seat.After valve seat cleans, valve seat is positioned on pinch plate, revotating card buckle, is inserted into or slides into the assembly work that valve seat and main valve body can be completed in bolt, it is easy to operate, improve production efficiency.
Description
Technical field
The invention belongs to injection valve technical field more particularly to a kind of piezoelectric type injection valves.
Background technology
The inverse piezoelectric effect of piezoelectric material is utilized in piezoelectric type injection valve, and injection frequency is high, device structure is simple, and sprays
Very small glue point can be obtained by penetrating；On the other hand, the control accuracy of piezoelectric structure is high, and injection dispensing quality can be improved.Pressure
After prolonged use, valve seat needs disassemble cleaning to electric-type injection valve, since valve seat includes pedestal, striker, sealing
The components such as circle, nozzle need to remove all parts in cleaning, whole dismounting and assembly working trouble, in addition, cleaning
After, need the rigging position for debugging striker and nozzle junction again, debugging process complicated.In addition, current striker exists
It needs to move back and forth on a large scale in injection work, the sealing ring being in contact with it is easily damaged under long-term friction.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of piezoelectric type injection valve, it is intended to solve in the prior art
For valve seat present in piezoelectric type injection valve in cleaning, whole dismounting and assembly working trouble debug complicated problem.
The invention is realized in this way a kind of piezoelectric type injection valve, including main valve body, valve seat and striker, the main valve
It is provided with piezoelectric blocks and energy-stored spring in vivo, the valve seat includes pedestal and nozzle, and the piezoelectric type injection valve further includes
Pinch plate and bolt, the valve seat are placed on the pinch plate, and the one end of the pinch plate is pivotally connected with the main valve body,
Its other end offers spliced eye, and the position that the pinch plate spliced eye is corresponded on the main valve body also offers grafting
Hole, the bolt are arranged in the spliced eye of the pinch plate and the spliced eye of main valve body.
Further, the spliced eye of the pinch plate has opening, the length of the main valve body spliced eye at least described
Twice of pin diameter；When pinch plate is connect with main valve body by the bolt, the segment space of the main valve body spliced eye
It is Chong Die with the pinch plate spliced eye, also, to slide into the main valve body spliced eye overlapping with pinch plate spliced eye for the bolt
In space.
Further, the striker includes upper end striker and lower end striker, and upper end striker and lower end striker are only
Vertical structure, the upper end striker are installed in the main valve body, and the lower end striker is installed in the pedestal.
Further, the valve seat further includes lower end striker fixed frame and striker sealing ring, and the lower end striker is fixed
Frame is installed in the pedestal, and the lower end striker and the striker sealing ring are mounted on the lower end striker fixed frame
It is interior, and the striker sealing ring is set on the outer peripheral edge of the lower end striker.
Further, lever is additionally provided in the main valve body, one end of the lever is located at below the piezoelectric blocks,
The other end is located at the top of the upper end striker.
Further, the valve seat further includes described to be installed on the pedestal into cemented joint, the pedestal into cemented joint
Runner hole and liquid storage space are inside offered, the outlet in the liquid storage space is equipped with the nozzle, described logical into cemented joint
It crosses the runner hole to be connected to the liquid storage space, the runner hole is located at the pedestal close to described into the port of cemented joint
Outer surface.
Further, the runner hole is higher than it close to the one of the liquid storage space close to described into one end of cemented joint
End.
Further, the valve seat further includes plug screw, and the plug screw thread is connected to the runner hole and is located at
In the port of the pedestal outer surface.
Further, adjusting screw and adjusting nut are additionally provided in the main valve body, the adjusting screw passes through institute
It states adjusting nut to be fixed in the main valve body, the top of the adjusting screw is threadedly coupled with the adjusting nut, bottom end
It is fixedly connected with the top of the piezoelectric blocks.
Further, one end that the striker is contacted with nozzle is spherical in semicircle.
Compared with prior art, the present invention advantageous effect is：The valve seat of the present invention is integrated with pedestal, nozzle, striker etc.
Component, the module of valve seat as a whole are assembled in by pinch plate and bolt on main valve body.When valve seat needs cleaning,
Bolt is extracted or is removed the spliced eye of pinch plate, you can pinch plate is rotated around main valve body, it at this time can be by pinch plate
On valve seat entirely remove, consequently facilitating being cleaned to valve seat.After valve seat cleans, valve seat is positioned on pinch plate,
Revotating card buckle after so that its spliced eye has been corresponded to the spliced eye on main valve body, is inserted into or slides into bolt and valve seat and master can be completed
The assembly work of valve body, it is easy to operate, simultaneously as the position no change of the component on valve seat, no longer needs to be debugged.This
Invention is compared to existing piezoelectric type injection valve so that the daily maintenance time of valve seat shortens 80%, greatly improves production
Efficiency has helped the application of piezoelectric type injection valve but also operating personnel quickly can expertly grasp the use main points of product
It is universal.
Description of the drawings
Fig. 1 is a kind of piezoelectric type injection valve longitudinal direction provided in an embodiment of the present invention schematic cross-sectional view.
Fig. 2 is the dimensional structure diagram of injection valve shown in Fig. 1.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
As shown in Figures 1 and 2, it is the preferred embodiment of the present invention, a kind of piezoelectric type injection valve, including main valve body 1, valve
Seat 2, pinch plate 3, bolt 4 and striker.Wherein, valve seat 2 includes pedestal 21 and nozzle 22.It is provided with piezoelectricity in main valve body 1
Block 11 and energy-stored spring 12.Striker includes upper end striker 51 and lower end striker 52, upper end striker 51 and lower end striker 52
It is absolute construction, upper end striker 51 is installed in main valve body 1, and lower end striker 52 is installed in pedestal 21.
Valve seat 2 is placed on pinch plate 3, and the one end of pinch plate 3 is pivotally connected by a shaft 6 with main valve body 1, the other end
Portion offers spliced eye, and the position that 3 spliced eye of pinch plate is corresponded on main valve body 1 also offers spliced eye 13, and bolt 4 is arranged in
In the spliced eye of pinch plate 3 and the spliced eye 13 of main valve body 1.
There is the spliced eye of pinch plate 3 opening, the length of 1 spliced eye 13 of main valve body to be at least twice of 4 diameter of bolt.When
When pinch plate 3 is connect with main valve body 1 by bolt 4, segment space and the 3 spliced eye weight of pinch plate of 1 spliced eye 13 of main valve body
It is folded, also, bolt 4 slides into the overlapping space of 1 spliced eye 13 of main valve body and 3 spliced eye of pinch plate.
Above-mentioned valve seat 2 is integrated with the components such as pedestal 21, nozzle 22, striker, and the module of valve seat 2 as a whole passes through
Pinch plate 3 and bolt 4 are assembled on main valve body 1.When valve seat 2 needs cleaning, pinch plate 3 is extracted or removed to bolt 4
Spliced eye, you can pinch plate 3 is rotated around main valve body 1.The valve seat 2 on pinch plate 3 can entirely be removed at this time, to
Convenient for being cleaned to valve seat 2.After valve seat 2 cleans, valve seat 2 is positioned on pinch plate 3, revotating card buckle 3, it is made to insert
After connecing the spliced eye 13 that hole has corresponded on main valve body 1, the assembler that valve seat 2 and main valve body 1 can be completed in bolt 4 is inserted into or slid into
Make, it is easy to operate, simultaneously as the position no change of the component on valve seat 2, no longer needs to be debugged.
The piezoelectric type injection valve of the present embodiment is compared to existing piezoelectric type injection valve so that when the daily maintenance of valve seat 2
Between shorten 80%, production efficiency is greatly improved, but also the use that operating personnel quickly can expertly grasp product is wanted
Neck, has helped the application popularization of piezoelectric type injection valve.
Specifically, above-mentioned valve seat 2 further includes lower end striker fixed frame 23 and striker sealing ring 24.Lower end striker fixed frame
52 are installed in pedestal 21, and lower end striker 52 and striker sealing ring 24 are mounted in lower end striker fixed frame 23, and are hit
Needle sealing ring 24 is set on the outer peripheral edge of lower end striker 52.One end that lower end striker 52 is contacted with nozzle 22 is spherical in semicircle.
Since lower end striker 52 is seperated structure with upper end striker 51, move reciprocatingly without being followed by energy-stored spring 12, so, under
The scope of activities of end striker 52 greatly reduces, and the friction between striker sealing ring 24 is also reduced therewith, is conducive to increase and hit
The service life of needle sealing ring 24.
Lever 14 is additionally provided in above-mentioned main valve body 1, one end of lever 14 is located at 11 lower section of piezoelectric blocks, and the other end is located at
The top of upper end striker 51.By the way that lever 14, the pressure that can amplify and transmit piezoelectric blocks 11 to striker is arranged.
Above-mentioned valve seat 2 further includes being installed on pedestal 21 into cemented joint 25, pedestal into cemented joint 25 and plug screw 26
Runner hole 211 and liquid storage space 212 are offered in 21.The outlet in liquid storage space 212 is equipped with above-mentioned nozzle 22, into splicing
First 25 are connected to by runner hole 211 with liquid storage space 212, and runner hole 211 is close to be located at pedestal 21 into the port of cemented joint 25
Outer surface.Plug screw 26 is threadedly connected to runner hole 211 and is located in the port of 21 outer surface of pedestal.Runner hole 211 close into
One end of cemented joint 25 is higher than it close to the one end in liquid storage space 212.It, can be to pedestal 21 using the runner hole 211 of tilting
Realize the cleaning without dead angle in inside.
Adjusting screw 15 and adjusting nut 16 are additionally provided in above-mentioned main valve body 1, adjusting screw 15 passes through adjusting nut
16 are fixed in main valve body 1, and the top of adjusting screw 15 is threadedly coupled with adjusting nut 16, the top of bottom end and piezoelectric blocks 11
It is fixedly connected.Adjusting screw 15 is turned, the position of piezoelectric blocks 11 in the vertical direction can be adjusted.
Above-mentioned piezoelectric type injection valve operation principle is as follows：Piezoelectric blocks 11 expand after being powered, rectangular at thrust down, then
So that 11 expansion displacement of piezoelectric blocks is become larger by lever 14, and thrust is sent to upper end striker, upper end striker 51 is again thrust
Pass to lower end striker 52.Striker 52 bottom position in lower end hits the taper position (i.e. 212 bottom of liquid storage space) of nozzle 22.It is situated between
Then matter liquid sends media fluid to liquid storage space by connecting outside liquid container into cemented joint 25 by runner hole 211
212；Then piezoelectric blocks 11 power off, and by the precompression of energy-stored spring 12, so that upper end striker 51 is sprung back, by piezoelectric blocks 11 after rebound
It is once again powered up expansion, forms it into high-speed piston back and forth movement, when lower end striker 52 continuously hits the nozzle 22 of lower section, is formed
Instantaneous pressure makes the liquid in liquid storage space 212 spray.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of piezoelectric type injection valve, including main valve body, valve seat and striker, piezoelectric blocks and storage are provided in the main valve body
Energy spring, the valve seat includes pedestal and nozzle, which is characterized in that the piezoelectric type injection valve further includes pinch plate and inserts
Pin, the valve seat are placed on the pinch plate, and the one end of the pinch plate is pivotally connected with the main valve body, and the other end is opened
Equipped with spliced eye, the position on the main valve body corresponding to the pinch plate spliced eye also offers spliced eye, and the bolt is worn
In the spliced eye of the pinch plate and the spliced eye of main valve body.
2. piezoelectric type injection valve as described in claim 1, which is characterized in that the spliced eye of the pinch plate has opening, institute
The length for stating main valve body spliced eye is at least twice of the pin diameter；When pinch plate is connect with main valve body by the bolt
When, the segment space of the main valve body spliced eye is Chong Die with the pinch plate spliced eye, also, the bolt slides into the main valve
In the overlapping space of body spliced eye and pinch plate spliced eye.
3. piezoelectric type injection valve as claimed in claim 1 or 2, which is characterized in that the striker include upper end striker and under
Striker is held, upper end striker and lower end striker are absolute construction, and the upper end striker is installed in the main valve body, under described
End striker is installed in the pedestal.
4. piezoelectric type injection valve as claimed in claim 3, which is characterized in that the valve seat further include lower end striker fixed frame with
And striker sealing ring, the lower end striker fixed frame are installed in the pedestal, the lower end striker and striker sealing
Circle is mounted in the lower end striker fixed frame, and the striker sealing ring is set in the outer peripheral edge of the lower end striker
On.
5. piezoelectric type injection valve as claimed in claim 3, which is characterized in that lever is additionally provided in the main valve body, it is described
One end of lever is located at below the piezoelectric blocks, and the other end is located at the top of the upper end striker.
6. piezoelectric type injection valve as described in claim 1, which is characterized in that the valve seat further include into cemented joint, it is described into
Cemented joint is installed on the pedestal, and runner hole and liquid storage space, the outlet in the liquid storage space are offered in the pedestal
Equipped with the nozzle, described to be connected into cemented joint with the liquid storage space by the runner hole, the runner hole is close
The port into cemented joint is located at the outer surface of the pedestal.
7. piezoelectric type injection valve as claimed in claim 6, which is characterized in that the runner hole is close to described into the one of cemented joint
End is higher than it close to the one end in the liquid storage space.
8. piezoelectric type injection valve as claimed in claims 6 or 7, which is characterized in that the valve seat further includes plug screw, described
Plug screw thread is connected to the runner hole and is located in the port of the pedestal outer surface.
9. piezoelectric type injection valve as described in claim 1, which is characterized in that be additionally provided in the main valve body adjusting screw with
And adjusting nut, the adjusting screw are fixed on by the adjusting nut in the main valve body, the top of the adjusting screw
It is threadedly coupled with the adjusting nut, bottom end is fixedly connected with the top of the piezoelectric blocks.
10. piezoelectric type injection valve as described in claim 1, which is characterized in that one end that the striker is contacted with nozzle is in half
Spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722928.XA CN106111430B (en) | 2016-08-25 | 2016-08-25 | Piezoelectric type injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722928.XA CN106111430B (en) | 2016-08-25 | 2016-08-25 | Piezoelectric type injection valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106111430A CN106111430A (en) | 2016-11-16 |
| CN106111430B true CN106111430B (en) | 2018-08-14 |
Family
ID=57273973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610722928.XA Active CN106111430B (en) | 2016-08-25 | 2016-08-25 | Piezoelectric type injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106111430B (en) |
Families Citing this family (8)
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|---|---|---|---|---|
| CN107175181A (en) * | 2017-03-31 | 2017-09-19 | 广东工业大学 | A kind of piezoelectric diaphragm containing lever construction declines spray injection valve |
| CN112295832A (en) * | 2017-06-30 | 2021-02-02 | 江苏高凯精密流体技术股份有限公司 | Liquid drop distribution device |
| CN108144789B (en) * | 2018-01-23 | 2024-01-30 | 广州市景泰科技有限公司 | Injection valve |
| CN109433505A (en) * | 2018-11-26 | 2019-03-08 | 深圳市锐德精密科技有限公司 | A kind of fluid injection valve |
| CN110252603B (en) * | 2019-07-22 | 2024-07-23 | 江苏高凯精密流体技术股份有限公司 | Dispensing machine, piezoelectric injection valve and quick assembly and disassembly type runner device thereof |
| CN110548649B (en) * | 2019-09-24 | 2024-08-20 | 江苏高凯精密流体技术股份有限公司 | Device for correcting pretightening force between firing pin and nozzle and piezoelectric injection valve thereof |
| CN110947579A (en) * | 2019-11-20 | 2020-04-03 | 深圳市新迈自动化科技有限公司 | Piezoelectric injection valve |
| CN114233911B (en) * | 2022-02-21 | 2022-06-07 | 常州铭赛机器人科技股份有限公司 | Quick-release quick-lock mechanism for flow channel |
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| US5720417A (en) * | 1994-04-02 | 1998-02-24 | Itw Dynatec Gmbh Klebetechnik | Applicator head for dosed dispensation of fluid mediums |
| CN202070458U (en) * | 2011-04-20 | 2011-12-14 | 吴海源 | Novel glue dispensing valve |
| KR101126722B1 (en) * | 2009-03-30 | 2012-03-29 | 반석정밀공업주식회사 | Liquid dispenser |
| EP2561932A2 (en) * | 2011-08-26 | 2013-02-27 | Nordson Corporation | Modular jetting devices |
| CN205084915U (en) * | 2015-10-29 | 2016-03-16 | 汪保卫 | Injection valve based on piezoceramics drive |
| CN105855139A (en) * | 2015-01-23 | 2016-08-17 | 北京派和科技股份有限公司 | Piezoelectric drive fluid dispensing valve and dispensing equipment |
| CN206046359U (en) * | 2016-08-25 | 2017-03-29 | 深圳市锐德精密科技有限公司 | Piezoelectric type injection valve |
-
2016
- 2016-08-25 CN CN201610722928.XA patent/CN106111430B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5720417A (en) * | 1994-04-02 | 1998-02-24 | Itw Dynatec Gmbh Klebetechnik | Applicator head for dosed dispensation of fluid mediums |
| KR101126722B1 (en) * | 2009-03-30 | 2012-03-29 | 반석정밀공업주식회사 | Liquid dispenser |
| CN202070458U (en) * | 2011-04-20 | 2011-12-14 | 吴海源 | Novel glue dispensing valve |
| EP2561932A2 (en) * | 2011-08-26 | 2013-02-27 | Nordson Corporation | Modular jetting devices |
| CN105855139A (en) * | 2015-01-23 | 2016-08-17 | 北京派和科技股份有限公司 | Piezoelectric drive fluid dispensing valve and dispensing equipment |
| CN205084915U (en) * | 2015-10-29 | 2016-03-16 | 汪保卫 | Injection valve based on piezoceramics drive |
| CN206046359U (en) * | 2016-08-25 | 2017-03-29 | 深圳市锐德精密科技有限公司 | Piezoelectric type injection valve |
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| Publication number | Publication date |
|---|---|
| CN106111430A (en) | 2016-11-16 |
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