CN202238432U - Injection valve convenient to disassemble - Google Patents
Injection valve convenient to disassemble Download PDFInfo
- Publication number
- CN202238432U CN202238432U CN2011202837582U CN201120283758U CN202238432U CN 202238432 U CN202238432 U CN 202238432U CN 2011202837582 U CN2011202837582 U CN 2011202837582U CN 201120283758 U CN201120283758 U CN 201120283758U CN 202238432 U CN202238432 U CN 202238432U
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- cylinder
- injection valve
- striker
- application device
- nozzle
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Abstract
The utility model discloses an injection valve convenient to disassemble which belongs to injection devices. The injection valve comprises a nozzle, a priming wire, a coating device, a return spring and an air cylinder, wherein as the air cylinder and the coating device are detachably connected in a clamping manner by a buckle and a clamping slot, the disassembling and the washing are relatively convenient, and the time and the labor are saved; a locking ring for improving the connecting tightness of the air cylinder and the coating device is additionally arranged between the air cylinder and the coating device, and is rotated to lock or loosen the connection between the air cylinder and the coating device, the locking ring ensures the connection tightness on one hand, and also improves the disassembling convenience on the other hand; and a sealing piece for sealing the seam in the communication position is arranged in the communication position of the air cylinder and a coating cavity, and effectively prevents coating from entering the seam in the communication position, a positioning sleeve for preventing the left-right swinging of the priming wire is arranged above the sealing piece, and the positioning sleeve and the sealing piece better guarantee the up and down movement of the priming wire, and improve the injection precision. The injection valve solves the problems that the existing injection precision is lower, the disassembling and the cleaning are not easy, and the production efficiency is lower.
Description
Technical field
The utility model belongs to the injection apparatus technical field, is specifically related to a kind of injection valve of convenient disassembly.
Background technology
In electronics, medicine equipment, automobile and other industries; Injection valve is used to contactless high viscosity substance a small amount of or droplet is assigned on substrate or the workpiece; Said high viscosity substance comprises solder flux, soldering paste, adhesive, oil, sealed polymer, silicone etc., and common this high viscosity substance at room temperature can be in himself gravity current downflow.
Existing injection valve generally comprises nozzle, striker, application device and cylinder; Application device comprises housing, forms the coating cavity in the housing, and housing is provided with the charging aperture that is communicated with the coating cavity; Nozzle is fixedly connected with the application device lower part of frame, and is docked and connected with the lower end of coating cavity; Said striker is arranged in the coating cavity, and cylinder is positioned at application device top, and the cylinder body of cylinder is fixedly connected with application device, and striker is fixedly connected with the piston of cylinder, is provided with the cylinder body that acts on and the return spring between the piston in the said cylinder.During work, coating to be sprayed to the charging of coating cavity, starts cylinder through charging aperture simultaneously; Piston moves up, striker with on move, the passage that the coating cavity leads to nozzle is opened; Coating to be sprayed gets into nozzle through the coating cavity; This moment shifter cylinder, striker resets under the elastic force effect of return spring, the coating to be sprayed that make to get into nozzle is ejected.
Though existing injection valve can satisfy actual demand basically; But still have certain defective: 1, because striker directly is arranged in the coating cavity, the internal diameter of coating cavity is greater than the striker diameter, when moving up and down the bump nozzle at every turn; Skew about being prone to take place, accuracy of spray is relatively poor; 2, the cylinder block of this injection valve is fixedly connected with application device; And injection valve needs often to clean to guarantee the cleaning in the cavity, increases work efficiency, and the injection valve dismounting of this structure is comparatively complicated; Cleaning process need be wasted lot of manpower and material resources, wastes time and energy.
Summary of the invention
In order to address the above problem, the utility model provide a kind of simple in structure, accuracy of spray is higher, the injection valve of convenient disassembly.
A kind of injection valve of convenient disassembly comprises nozzle, striker, application device, return spring and cylinder, and said application device comprises housing, forms the coating cavity in the housing, and the housing side is provided with the charging aperture that is communicated with the coating cavity; Nozzle is fixedly connected with the lower part of frame of application device, and is docked and connected with the lower end of coating cavity; Said cylinder is positioned at application device top, and striker is fixedly connected with the piston of cylinder, and is arranged in the coating cavity, and return spring is arranged between the cylinder body and piston of cylinder, forces the closed coating cavity of striker to lead to the passage of nozzle;
The junction of the housing of said cylinder and application device is respectively equipped with buckle and the draw-in groove that matches each other, and engaging is connected cylinder with draw-in groove through buckle with application device;
Being provided with between said cylinder and the application device increases cylinder is connected compactness with application device clamp ring;
Cylinder is provided with the seal that seals connection place slit with the place of connection of coating cavity, and said seal top is provided with the positioning sleeve that prevents the striker double swerve, and said seal and positioning sleeve inwall are slidingly connected with striker respectively.
Wherein, be provided with the guide cover with the coating distributing nozzle in the coating cavity between said charging aperture and the nozzle, said guide cover inwall and striker are slidingly connected.
Wherein, said cylinder sidewall is provided with the air inlet that is communicated with cylinder block.
Wherein, the upper end of said cylinder block is provided with the stroke adjusting device of control striker stroke, and said stroke adjusting device is fixedly connected with return spring.
Wherein, said nozzle is provided with the bump seat with the place of connection of coating cavity, and said bump seat is level and smooth taper concave surface with the contact-making surface of striker.
Wherein, said injection valve also comprises the high-speed electromagnetic valve of control cylinder motion, and said high-speed electromagnetic valve is connected with cylinder.
The beneficial effect of the utility model is: the utility model is simple in structure, and cylinder detachably engages with draw-in groove through buckle with application device and is connected, and it is comparatively convenient, time saving and energy saving to unpick and wash; Being provided with between cylinder and the application device increases cylinder is connected compactness with application device clamp ring; The rotation lock collar; Can lock or being connected of loosening cylinder and application device, clamp ring has guaranteed to connect closely on the one hand, has also increased the convenience of dismounting on the other hand; Cylinder is provided with the seal that seals connection place slit with the place of connection of coating cavity; Seal prevents that effectively coating from getting into the slit of connection place; The seal top is provided with the positioning sleeve that prevents the striker double swerve; Positioning sleeve and seal have better guaranteed moving up and down of striker, have improved accuracy of spray.
Description of drawings
Fig. 1 is the structural representation of injection valve of the convenient disassembly of the utility model.
Fig. 2 is the structural representation at another visual angle of Fig. 1.
Fig. 3 is that A-A of Fig. 2 is to generalized section.
Fig. 4 is confined explosion's sketch map of injection valve of the convenient disassembly of the utility model.
Description of reference numerals is following:
1-nozzle; 2-striker;
3-guide cover; 4-seal;
5-positioning sleeve; 6-coating cavity;
7-housing; 8-clamp ring;
9-cylinder; 10-return spring;
11-stroke adjusting device; 12-charging aperture;
13-air inlet; 14-buckle;
15-bump seat; 16-draw-in groove.
The specific embodiment
For the purpose, technical scheme and the advantage that make utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.
Referring to Fig. 1 to Fig. 4, referring to Fig. 1 to Fig. 3, a kind of injection valve of convenient disassembly; Comprise nozzle 1, striker 2, application device, return spring 10 and cylinder 9; Said application device comprises housing 7, forms coating cavity 6 in the housing 7, and housing 7 sides are provided with the charging aperture 12 that is communicated with coating cavity 6; Nozzle 1 is fixedly connected with the bottom of the housing 7 of application device, and is docked and connected with the lower end of coating cavity 6; Said cylinder 9 is positioned at application device top, and striker 2 is fixedly connected with the piston of cylinder 9, and is arranged in the coating cavity 6, and return spring 10 is arranged between the cylinder body and piston of cylinder 9, forces striker 2 closed coating cavitys 6 to lead to the passage of nozzle 1; Said cylinder 9 is respectively equipped with the buckle 14 and draw-in groove 16 that matches each other with the junction of the housing 7 of application device, and 16 engagings are connected cylinder 9 with draw-in groove through buckle 14 with application device; Being provided with between said cylinder 9 and the application device increases cylinder 9 is connected compactness with application device clamp ring 8; Cylinder 9 is provided with the seal 4 that seals connection place slit with the place of connection of coating cavity 6, and said seal 4 tops are provided with the positioning sleeve 5 that prevents striker 2 double swerves, and said seal 4 is slidingly connected with striker 2 respectively with positioning sleeve 5 inwalls.
The utility model is simple in structure, and 16 detachable engagings are connected cylinder 9 with draw-in groove through buckle 14 with application device, and it is comparatively convenient, time saving and energy saving to unpick and wash; Being provided with between cylinder 9 and the application device increases cylinder 9 is connected compactness with application device clamp ring 8; Rotation lock collar 8; Can lock or being connected of loosening cylinder 9 and application device, clamp ring 8 has guaranteed to connect closely on the one hand, has also increased the convenience of dismounting on the other hand; Cylinder 9 is provided with the seal 4 that seals connection place slit with the place of connection of coating cavity 6; Seal 4 prevents that effectively coating from getting into the slit of connection place; Seal 4 tops are provided with the positioning sleeve 5 that prevents striker 2 double swerves; Positioning sleeve 5 has better guaranteed moving up and down of striker 2 with seal 4, has improved accuracy of spray.
Wherein, said nozzle 1 is provided with bump seat 15 with the place of connection of coating cavity 6, and said bump seat 15 is level and smooth taper concave surface with the contact-making surface of striker 2.Explosive force when the striking face of bump seat 15 adopts the concave surface of taper can increase bump, jeting effect is better, and jet quality is higher.
Wherein, the aperture of said nozzle 1 is reduced to discharge end by feed end gradually.Nozzle 1 adopts the mode of shrinking the aperture, has increased the jet velocity of coating.
Wherein, the aperture of said nozzle 1 is 0.1mm-0.25mm.The optimum aperture of said nozzle 1 is: the feed end aperture is 0.2mm, and the discharge end aperture is 0.15mm.
Wherein, be provided with the guide cover 3 with coating distributing nozzle 1 in the coating cavity 6 between said charging aperture 12 and the nozzle 1, said guide overlaps 3 inwalls and striker 2 is slidingly connected.Guide cover 3 can be fixed bump seat 15 and nozzle 1 on the one hand, on the other hand coating is imported to the concave surface place of bump seat 15.
Wherein, said cylinder 9 sidewalls are provided with the air inlet 13 that is communicated with cylinder 9 cylinder bodies.
Wherein, the upper end of said cylinder 9 cylinder bodies is provided with the stroke adjusting device 11 of control striker 2 strokes, and said stroke adjusting device 11 is fixedly connected with return spring 10.Stroke adjusting device 11 acts on the return spring 10, and then the movement travel of control striker 2, finally reaches the jet velocity of control injection valve and the purpose of emitted dose.
Wherein, said injection valve also comprises the high-speed electromagnetic valve of control cylinder 9 motions, and said high-speed electromagnetic valve is connected with cylinder 9.
Above content is merely the preferred embodiment of the utility model; For those of ordinary skill in the art; According to the thought of the utility model, the part that on the specific embodiment and range of application, all can change, this description should not be construed as the restriction to the utility model.
Claims (6)
1. the injection valve of a convenient disassembly comprises nozzle, striker, application device, return spring and cylinder, and said application device comprises housing, forms the coating cavity in the housing, and the housing side is provided with the charging aperture that is communicated with the coating cavity; Nozzle is fixedly connected with the lower part of frame of application device, and is docked and connected with the lower end of coating cavity; Said cylinder is positioned at application device top, and striker is fixedly connected with the piston of cylinder, and is arranged in the coating cavity, and return spring is arranged between the cylinder body and piston of cylinder, forces the closed coating cavity of striker to lead to the passage of nozzle; It is characterized in that: the junction of the housing of said cylinder and application device is respectively equipped with buckle and the draw-in groove that matches each other, and cylinder detachably engages with draw-in groove through buckle with application device and is connected;
Being provided with between said cylinder and the application device increases cylinder is connected compactness with application device clamp ring;
Cylinder is provided with the seal that seals connection place slit with the place of connection of coating cavity, and said seal top is provided with the positioning sleeve that prevents the striker double swerve, and said seal and positioning sleeve inwall are slidingly connected with striker respectively.
2. the injection valve of a kind of convenient disassembly according to claim 1 is characterized in that: be provided with the guide cover with the coating distributing nozzle in the coating cavity between said charging aperture and the nozzle, said guide cover inwall and striker are slidingly connected.
3. the injection valve of a kind of convenient disassembly according to claim 2, it is characterized in that: said cylinder sidewall is provided with the air inlet that is communicated with cylinder block.
4. the injection valve of a kind of convenient disassembly according to claim 3 is characterized in that: the upper end of said cylinder block is provided with the stroke adjusting device of control striker stroke, and said stroke adjusting device is fixedly connected with return spring.
5. the injection valve of a kind of convenient disassembly according to claim 4 is characterized in that: said nozzle is provided with the bump seat with the place of connection of coating cavity, and said bump seat is level and smooth taper concave surface with the contact-making surface of striker.
6. according to the injection valve of each described a kind of convenient disassembly of claim 1 to 5, it is characterized in that: said injection valve also comprises the high-speed electromagnetic valve of control cylinder motion, and said high-speed electromagnetic valve is connected with cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202837582U CN202238432U (en) | 2011-08-05 | 2011-08-05 | Injection valve convenient to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202837582U CN202238432U (en) | 2011-08-05 | 2011-08-05 | Injection valve convenient to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202238432U true CN202238432U (en) | 2012-05-30 |
Family
ID=46099737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202837582U Expired - Fee Related CN202238432U (en) | 2011-08-05 | 2011-08-05 | Injection valve convenient to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202238432U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668127A (en) * | 2015-02-09 | 2015-06-03 | 苏州光宝微电子科技有限公司 | Hot melt adhesive injection valve |
| CN109604106A (en) * | 2018-10-15 | 2019-04-12 | 北京派和科技股份有限公司 | Straight line micro-displacement for dispensing injection valve adjusts locking mechanism |
| CN110369527A (en) * | 2019-07-04 | 2019-10-25 | 邯郸钢铁集团有限责任公司 | A kind of cold rolling emulsified liquid jetting device |
| CN111648734A (en) * | 2020-06-06 | 2020-09-11 | 台州市木落自动化科技有限公司 | Frame water spray connector for anchoring drilling machine |
-
2011
- 2011-08-05 CN CN2011202837582U patent/CN202238432U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668127A (en) * | 2015-02-09 | 2015-06-03 | 苏州光宝微电子科技有限公司 | Hot melt adhesive injection valve |
| CN109604106A (en) * | 2018-10-15 | 2019-04-12 | 北京派和科技股份有限公司 | Straight line micro-displacement for dispensing injection valve adjusts locking mechanism |
| CN110369527A (en) * | 2019-07-04 | 2019-10-25 | 邯郸钢铁集团有限责任公司 | A kind of cold rolling emulsified liquid jetting device |
| CN111648734A (en) * | 2020-06-06 | 2020-09-11 | 台州市木落自动化科技有限公司 | Frame water spray connector for anchoring drilling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |