CN220879431U - Quick-dismantling type double-piezoelectric injection valve - Google Patents
Quick-dismantling type double-piezoelectric injection valve Download PDFInfo
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- CN220879431U CN220879431U CN202322770747.2U CN202322770747U CN220879431U CN 220879431 U CN220879431 U CN 220879431U CN 202322770747 U CN202322770747 U CN 202322770747U CN 220879431 U CN220879431 U CN 220879431U
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 36
- 238000010304 firing Methods 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 17
- 230000009977 dual effect Effects 0.000 claims 9
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Abstract
The utility model relates to the technical field of dispensing equipment, in particular to a quick-dismantling type double-piezoelectric injection valve, which comprises a valve body, wherein the front end of the outer wall of the valve body is provided with a mounting groove, the outer wall of the valve body is provided with a cover plate positioned at the front end of the mounting groove and used for sealing the mounting groove, one side of the outer wall of the valve body is fixedly provided with a needle cylinder bracket, the quick-dismantling type double-piezoelectric injection valve further comprises a piezoelectric driving assembly, the piezoelectric driving assembly is arranged on the inner wall of the mounting groove, the quick-dismantling type flow channel assembly is arranged below the bottom end of the outer wall of the valve body, and the pressing assembly is arranged on one side of the quick-dismantling type flow channel assembly.
Description
Technical Field
The utility model relates to the technical field of dispensing equipment, in particular to a quick-dismantling type double-piezoelectric injection valve.
Background
In the technical field of dispensing, a single-pressure electric injection valve is generally adopted to realize dispensing operation. The single-piezoelectric injection valve mainly comprises a piezoelectric ceramic driving component, a lever, a spring, a firing pin, a nozzle and a glue supply component; the piezoelectric ceramic driving component and the spring are respectively arranged at two sides of the rotating part of the lever to realize the up-and-down swing of the lever; the firing pin and the nozzle are used for being matched with the glue supply assembly, and the firing pin is driven by the lever to swing up and down to control the opening and closing of the glue supply assembly.
However, the up-and-down swing of the lever is realized only through the single-piezoelectric ceramic driving component and the spring, the length and the rigidity of the single-piezoelectric ceramic driving component are easy to change under the influence of temperature, and the error generated by the single-piezoelectric ceramic driving component is amplified by the lever by a plurality of times to influence the stroke of the firing pin; moreover, the spring can influence the swing of the lever due to fatigue, so that the accurate control of the glue supply assembly is influenced, and the stability of the injection valve is influenced.
Meanwhile, in the existing dispensing device, a firing pin is usually arranged in a valve body, glue solution is easy to permeate through a sealing ring to be contacted with piezoelectric ceramics due to long-time use, the piezoelectric ceramics are easy to damage, and when the internal parts of the dispensing device are required to be maintained and replaced, the disassembly and installation steps are complicated, the time is long, and the working efficiency is influenced.
In summary, it is necessary to invent a quick-release dual-piezoelectric injection valve.
Disclosure of utility model
Therefore, the utility model provides a quick-dismantling type double-piezoelectric injection valve, which solves the problems that the length and the rigidity of a single-piezoelectric ceramic driving assembly are easy to change under the influence of temperature and the error generated by the single-piezoelectric ceramic driving assembly is amplified by the multiple times of the lever to influence the stroke of a firing pin by only realizing the up-down swinging of the lever through the single-piezoelectric ceramic driving assembly and a spring.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a two piezoelectricity injection valve of quick detach formula, includes the valve body, the mounting groove has been seted up to the outer wall front end of valve body, the apron sealed to the mounting groove is installed to the outer wall of valve body and the front end that is located the mounting groove, outer wall one side of valve body is fixed with the cylinder support, still includes:
The piezoelectric driving assembly is arranged on the inner wall of the mounting groove;
the quick-dismantling type flow passage assembly is arranged below the bottom end of the outer wall of the valve body;
The compressing assembly is arranged on one side of the quick-dismantling type flow passage assembly;
And the heating assembly is arranged in the quick-dismantling type flow passage assembly.
Preferably, the piezoelectric driving assembly comprises piezoelectric ceramics, the piezoelectric ceramics is installed in the installation groove, the top end of the piezoelectric ceramics is abutted to a driving upper end sliding block, the upper end of the driving upper end sliding block is provided with a driving pressing block, and the upper end of the driving pressing block is abutted to the top end of the inner wall of the installation groove.
Preferably, adjusting bolts are installed on the top end of the outer wall of the valve body and located above the driving pressing block in a threaded connection mode, the bottom ends of the adjusting bolts are connected with the top end of the outer wall of the driving pressing block, and fixing nuts are installed on the outer wall of the adjusting bolts and located above the valve body.
Preferably, the outer wall bottom of piezoceramics is connected with the drive lower extreme slider, the lever is installed to the bottom of drive lower extreme slider, the bottom of lever is connected with the inner wall one side rotation of mounting groove through supporting the axis of rotation, the one end joint that piezoceramics was kept away from to the lever has the ram fixed block, the ram is installed to the inner wall upper and lower ends of ram fixed block.
Preferably, the quick-dismantling type flow channel assembly comprises a flow channel main body, a flow channel installation block is installed at the bottom end of the outer wall of the valve body, and the top end of the flow channel main body is fixedly connected with the bottom end of the outer wall of the flow channel installation block.
Preferably, a rubber tube for storing the glue is arranged on the inner wall of the syringe support, a glue conveying groove formed in the runner main body is connected with a luer connector in a threaded manner, and the upper end of the luer connector is connected with a glue outlet at the bottom end of the rubber tube.
Preferably, the plunger rod guide sleeve is installed at the bottom end of the outer wall of the installation groove and below the plunger rod, the outer wall of the plunger rod is in sliding connection with the inner wall of the plunger rod guide sleeve, the sealing groove is formed at the upper end and the lower end of the outer wall of the runner main body and at the position corresponding to the plunger rod, the inner wall of the sealing groove is in sliding connection with the plunger rod, the bottom end of the outer wall of the plunger rod is in butt joint with the top end of the outer wall of the plunger rod, the inner wall of the sealing groove is in sliding connection with the plunger rod guide sleeve, and the outer wall of the plunger rod is in sliding connection with the inner wall of the plunger rod guide sleeve.
Preferably, the outer wall of the firing pin and the inner wall sleeve positioned on the firing pin guide sleeve are provided with firing pin springs, a nozzle is arranged below the outer wall of the runner main body and the sealing groove through a guide mounting hole, the outer wall of the nozzle is fixed with the bottom end of the outer wall of the runner main body through a nozzle fixing cap, and a nozzle sealing gasket is arranged between the outer wall of the nozzle and the inner wall of the guide mounting hole.
Preferably, the compressing assembly comprises a telescopic knob locating pin and a locating slot formed in the runner main body, the quick-dismantling runner assembly is inlaid at a bayonet of the runner mounting block, the telescopic knob locating pin is located at the locating slot of the runner main body, the quick-dismantling function of the runner assembly can be achieved without tools, the runner mounting block is fixed at the lower end of the valve body through screws, and the telescopic knob locating pin is fixed on the runner mounting block through threaded holes and reinforced by two-sided machine meter screws.
Preferably, the heating element comprises a temperature sensor groove, a heating rod groove and a heat conducting block, wherein the heat conducting block is fixed on the front side and the rear side of the outer wall of the flow channel installation block, the temperature sensor groove is formed in one side of the flow channel installation block, and the heating rod groove is formed in the inner wall of the flow channel installation block and located below the temperature sensor groove.
The beneficial effects of the utility model are as follows:
1. the double-piezoelectric driving assembly is adopted, so that the influence of temperature on the amplified output displacement of the lever is eliminated, and the stability of the quick-dismantling double-piezoelectric injection valve is improved;
2. The quick-dismantling type flow passage assembly is adopted, and the positioning pin is positioned on the positioning groove of the flow passage main body in a telescopic manner through the telescopic knob, so that the accurate positioning can be realized, the disassembly and the installation of the quick-dismantling type flow passage assembly can be completed within a few seconds, the disassembly and the installation method are very simple, the maintenance time is greatly saved, and the stability of the quick-dismantling type single-pressure electric injection valve can be ensured;
3. The up-and-down movement of the firing pin is realized by the abutting conduction of the two piezoelectric driving components driving the lever to swing the striking rod, and the firing pin has the advantages of quick response, high reliability and good displacement linearity;
4. The plunger rod can conduct movement guiding through the plunger rod guide sleeve, and the plunger rod guide sleeve is provided with the sealing ring, so that glue leaked by sealing of the quick-release runner assembly can be prevented from flowing backwards into the cavity of the valve body, and the piezoelectric driving assembly is prevented from being burnt;
5. The runner heating function sets up on the runner installation piece, and the runner installation piece has set up temperature sensor groove and heating rod groove, can install temperature sensor and heating piece, is connected to the pencil on the joint through valve body internal connection, has installed the heat conduction piece outward the runner installation piece, can accomplish pleasing to the eye simultaneously, can also carry out accurate temperature control to quick detach formula runner subassembly, faster heat conduction.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model in front view;
FIG. 2 is a schematic diagram of an explosion structure in front view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the valve body of the present utility model in elevation;
FIG. 4 is a schematic diagram of a side view of a piezoelectric driving assembly according to the present utility model;
FIG. 5 is a schematic perspective view of a lever and striker according to the present utility model;
FIG. 6 is a schematic view of an exploded view of a flow channel body according to the present utility model;
fig. 7 is a schematic view of a partially sectioned structure of the present utility model showing the front view of the flow path body.
In the figure 1, a valve body; 2. a needle cylinder bracket; 3. a telescopic knob positioning pin; 4. a luer fitting; 5. a flow channel body; 6. a mounting groove; 7. a cover plate; 8. a fixing nut; 9. an adjusting bolt; 10. driving the pressing block; 11. driving the upper slider; 12. piezoelectric ceramics; 13. driving the lower end sliding block; 14. a lever; 15. supporting a rotating shaft; 16. a temperature sensor groove; 17. a heating rod groove; 18. a flow passage installation block; 19. a firing pin guide sleeve; 20. a striker; 21. a nozzle; 22. a nozzle fixing cap; 23. a ram guide sleeve; 24. a striker rod fixing block; 25. a striker; 26. a heat conduction block; 27. a striker spring; 28. a nozzle gasket.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Referring to fig. 1-7, the quick-release double-piezoelectric injection valve provided by the utility model comprises a valve body 1, wherein the front end of the outer wall of the valve body 1 is provided with a mounting groove 6, the outer wall of the valve body 1 and the front end of the mounting groove 6 are provided with a cover plate 7 for sealing the mounting groove 6, one side of the outer wall of the valve body 1 is fixedly provided with a needle cylinder bracket 2, and the top end of the outer wall of the valve body 1 is provided with a wire harness connector;
The piezoelectric driving assembly is arranged on the inner wall of the mounting groove 6, the piezoelectric driving assembly comprises piezoelectric ceramics 12, the piezoelectric ceramics 12 are arranged in the mounting groove 6, the top end of the piezoelectric ceramics 12 is abutted with a driving upper end sliding block 11, the upper end of the driving upper end sliding block 11 is provided with a driving pressing block 10, the upper end of the driving pressing block 10 is abutted with the top end of the inner wall of the mounting groove 6, the top end of the outer wall of the valve body 1 is provided with an adjusting bolt 9 which is positioned above the driving pressing block 10 in a threaded connection manner, the bottom end of the adjusting bolt 9 is connected with the top end of the outer wall of the driving pressing block 10, the outer wall of the adjusting bolt 9 is provided with a fixing nut 8 which is positioned above the valve body 1, the fixing nut 8 is arranged for adjusting the position of the adjusting bolt 9, the bottom end of the outer wall of the piezoelectric ceramics 12 is connected with a driving lower end sliding block 13 for positioning the driving pressing block 10, the lever 14 is installed at the bottom end of the driving lower end sliding block 13, the bottom end of the lever 14 is rotatably connected with one side of the inner wall of the installation groove 6 through the supporting rotation shaft 15, a striker fixing block 24 is clamped at one end of the lever 14 far away from the piezoelectric ceramics 12, a striker 25 is installed at the upper end and the lower end of the inner wall of the striker fixing block 24, the arranged lever 14 can fix the striker 25 through the striker fixing block 24, the striker 25 can be pressed downwards when the lever 14 rotates downwards, in particular, the piezoelectric ceramics 12 positioned at the left side of the rotation part is discharged, the piezoelectric ceramics 12 positioned at the right side of the rotation part is charged, the piezoelectric ceramics 12 positioned at the right side of the rotation part is stretched, the lever 14 swings downwards around the supporting rotation shaft 15, the lever 14 acts on the piezoelectric ceramics 12 positioned at the left side of the rotation part and shortens the piezoelectric ceramics, and in the process of swinging downwards the lever 14, the striker rod 25 is driven to move downwards along with the striker rod 20, the striker rod spring 27 is compressed, and the striker rod 20 can seal the nozzle 21 of the quick-release runner assembly so as to realize the closing of the double-piezoelectric valve. Wherein the elongation of the piezoelectric ceramic 12 located on the right side of the rotating portion is equal to the shortening of the piezoelectric ceramic 12 located on the left side of the rotating portion;
The quick-dismantling type runner assembly is arranged below the bottom end of the outer wall of the valve body 1 and comprises a runner main body 5, a runner installation block 18 is arranged at the bottom end of the outer wall of the valve body 1, the top end of the runner main body 5 is fixedly connected with the bottom end of the outer wall of the runner installation block 18, a rubber tube for storing glue is arranged on the inner wall of the syringe bracket 2, a glue conveying groove arranged on the runner main body 5 is in threaded connection with a luer connector 4, the upper end of the luer connector 4 is connected with a glue outlet at the bottom end of the rubber tube, the luer connector 4 is arranged for completing the conveying of the glue, the luer connector 4 is communicated with the rubber tube, the stored glue in the rubber tube can be guided into the runner main body 5, a ram guide sleeve 23 is arranged at the bottom end of the outer wall of the installation groove 6 and below the ram 25, the outer wall of the ram 25 is in sliding connection with the inner wall of the ram guide sleeve 23, the upper end and the lower end of the outer wall of the runner main body 5 are provided with sealing grooves at positions corresponding to the striker 25, the inner wall of each sealing groove is slidably connected with a striker 20, the bottom end of the outer wall of each striker 25 is abutted against the top end of the outer wall of each striker 20, the inner wall of each sealing groove is slidably connected with a striker guide sleeve 19, the outer wall of each striker 20 is slidably connected with the inner wall of each striker guide sleeve 19, a striker spring 27 is sleeved on the inner wall of each striker 20 and positioned on the inner wall of each striker guide sleeve 19, a nozzle 21 is arranged on the outer wall of the runner main body 5 below each sealing groove through a guide mounting hole, the outer wall of each nozzle 21 is fixed with the bottom end of the runner main body 5 through a nozzle fixing cap 22, a nozzle sealing gasket 28 is arranged between the outer wall of each nozzle 21 and the inner wall of each guide mounting hole, the arranged nozzle fixing cap 22 is abutted against the lower end of each nozzle fixing cap 22 at the outer thread of each guide mounting hole after the outer wall is twisted, sealing of the nozzle 21 is achieved;
The compressing assembly is arranged on one side of the quick-dismantling type runner assembly and comprises a telescopic knob locating pin 3 and a locating groove formed in the runner main body 5, the quick-dismantling type runner assembly is inlaid at the bayonet of the runner installation block 18, the telescopic knob locating pin 3 is located at the locating groove of the runner main body 5, the quick-dismantling function of the runner assembly can be achieved without tools, the runner installation block 18 is fixed at the lower end of the valve body 1 through screws, the telescopic knob locating pin 3 is fixed on the runner installation block 18 through threaded holes and reinforced by two machine meter screws, and a cylinder at the lower end just falls on the locating groove of the runner main body 5 when the knob of the hand-twisting telescopic knob locating pin 3 falls down, so that the positioning function of the quick-dismantling type runner assembly is formed, the striker 25 is vertically and concentrically abutted with the striker 20, the quick-dismantling type runner cannot be taken out, the quick-dismantling type runner can be directly pulled out from the runner installation block 18 at the moment, the quick-dismantling type runner can be directly inserted for use after maintenance, and the maintenance can be directly inserted for use without using tools for dismantling the tools, and the cost of a large customer can be greatly reduced;
the heating element, heating element sets up in quick detach formula runner subassembly, and heating element includes temperature sensor groove 16, heating rod groove 17 and heat conduction piece 26, and the heat conduction piece 26 is fixed in the outer wall front and back side of runner installation piece 18, and temperature sensor groove 16 is seted up in one side of runner installation piece 18, and heating rod groove 17 is seted up at the inner wall of runner installation piece 18 and is located the below in temperature sensor groove 16.
The application process of the utility model is as follows: the dual-piezoelectric injection valve uses high-speed piezoelectric ceramics 12, the controller drives the dispensing, and with each pulse, the piezoelectric ceramics 12 on two sides rapidly stretch and retract to drive the plunger 25 to move the plunger 20 up and down, when the plunger 20 lifts off the nozzle 21, the glue flows into a gap between the plunger 20 and the nozzle 21, the plunger 20 falls down to strike the nozzle 21, and instantaneous high pressure is formed in the cavity of the nozzle 20, so that the glue is injected. Thanks to the rapid and accurate up-and-down movement of the piezoelectric electrode, hundreds of accurate and repeatable glue points can be ejected in one second;
Charging the piezoelectric ceramic 12 positioned at the left side of the rotating part, discharging the piezoelectric ceramic 12 positioned at the right side of the rotating part, extending the piezoelectric ceramic 12 positioned at the left side of the rotating part, enabling the lever 14 to swing upwards around the supporting rotating shaft 15, enabling the lever 14 to act on the piezoelectric ceramic 12 positioned at the right side of the rotating part and enabling the piezoelectric ceramic 12 to be shortened, and enabling the striker rod 25 to move upwards together in the process of swinging upwards of the lever 14, wherein the striker rod 20 can be separated from the nozzle 21 of the quick-release runner assembly under the rebound force of the striker rod spring 27, so that the opening of the double piezoelectric valve is realized, and the extension of the piezoelectric ceramic 12 positioned at the left side of the rotating part is equal to the shortening of the piezoelectric ceramic 12 positioned at the right side of the rotating part;
The striker 20 is driven to continuously reciprocate up and down by high-speed charge and discharge of the piezoelectric ceramics 12 at the left side and the right side, so that high-speed injection dispensing of the full-automatic dispensing machine is realized, the amplitude and the frequency of the striker can be adjusted by changing the amplitude, the frequency, the duty ratio and the like of the driving voltage of the piezoelectric ceramics 12 at the two sides, and the control of the injection performance of the adhesive drops is realized;
The controller drives the dispensing, and with each pulse, the piezoelectric ceramic 12 drives the firing pin 20 to move, so as to open or close the nozzle 21, the firing pin 20 forms linkage with the piezoelectric module through a precise lever system, kinetic energy generated by piezoelectricity is acted on a dispensing medium, the medium is ejected from a nozzle opening under the pushing of pressure, and hundreds of precise and repeatable dispensing points can be ejected in one second due to the rapid and precise up-and-down movement of the piezoelectric electrode.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (10)
1. The utility model provides a two piezoelectricity injection valve of quick detach formula, includes valve body (1), mounting groove (6) have been seted up to the outer wall front end of valve body (1), outer wall and the front end that is located mounting groove (6) of valve body (1) are installed apron (7) sealed to mounting groove (6), outer wall one side of valve body (1) is fixed with cylinder support (2), its characterized in that: further comprises:
the piezoelectric driving assembly is arranged on the inner wall of the mounting groove (6);
The quick-dismantling type flow passage assembly is arranged below the bottom end of the outer wall of the valve body (1);
The compressing assembly is arranged on one side of the quick-dismantling type flow passage assembly;
And the heating assembly is arranged in the quick-dismantling type flow passage assembly.
2. The quick release dual piezoelectric injection valve of claim 1, wherein: the piezoelectric driving assembly comprises piezoelectric ceramics (12), the piezoelectric ceramics (12) are installed in the installation groove (6), a driving upper end sliding block (11) is abutted to the top end of the piezoelectric ceramics (12), a driving pressing block (10) is installed at the upper end of the driving upper end sliding block (11), and the upper end of the driving pressing block (10) is abutted to the top end of the inner wall of the installation groove (6).
3. The quick release dual piezoelectric injection valve of claim 2, wherein: the adjusting bolt (9) is installed on the top of the outer wall of the valve body (1) and located above the driving pressing block (10) in a threaded connection mode, the bottom end of the adjusting bolt (9) is connected with the top of the outer wall of the driving pressing block (10), and the fixing nut (8) is installed on the outer wall of the adjusting bolt (9) and located above the valve body (1).
4. A quick release dual piezoelectric injection valve according to claim 3, wherein: the outer wall bottom of piezoceramics (12) is connected with drive lower extreme slider (13), lever (14) are installed to the bottom of drive lower extreme slider (13), the bottom of lever (14) is rotated through supporting axis of rotation (15) and inner wall one side of mounting groove (6) and is connected, one end joint that piezoceramics (12) were kept away from to lever (14) has ram fixed block (24), ram (25) are installed to the inner wall upper and lower ends of ram fixed block (24).
5. The quick release dual piezoelectric injection valve of claim 4, wherein: the quick-dismantling type flow passage assembly comprises a flow passage main body (5), a flow passage installation block (18) is installed at the bottom end of the outer wall of the valve body (1), and the top end of the flow passage main body (5) is fixedly connected with the bottom end of the outer wall of the flow passage installation block (18).
6. The quick release dual piezoelectric injection valve of claim 5, wherein: the inner wall of the needle cylinder support (2) is provided with a rubber tube for storing glue, a glue conveying groove formed in the runner main body (5) is in threaded connection with a luer connector (4), and the upper end of the luer connector (4) is connected with a glue outlet at the bottom end of the rubber tube.
7. The quick release dual piezoelectric injection valve of claim 6, wherein: the utility model discloses a striker rod guide sleeve (23) is installed to the outer wall bottom of mounting groove (6) and be located the below of striker rod (25), the outer wall of striker rod (25) and the inner wall sliding connection of striker rod guide sleeve (23), the seal groove has been seted up to the outer wall upper and lower extreme of runner main part (5) and the position department that corresponds with striker rod (25), the inner wall sliding connection of seal groove has firing pin (20), the outer wall bottom of striker rod (25) and the outer wall top butt of firing pin (20), the inner wall sliding connection of seal groove has firing pin guide sleeve (19), the outer wall of firing pin (20) and the inner wall sliding connection of firing pin guide sleeve (19).
8. The quick release dual piezoelectric injection valve of claim 7, wherein: the outer wall of firing pin (20) and the inner wall cover that is located firing pin uide bushing (19) are equipped with firing pin spring (27), the outer wall of runner main part (5) and the below that is located the seal groove are provided with nozzle (21) through the direction mounting hole, the outer wall of nozzle (21) is through the outer wall bottom mounting of nozzle fixation cap (22) and runner main part (5), install nozzle sealing pad (28) between the outer wall of nozzle (21) and the inner wall of direction mounting hole.
9. The quick release dual piezoelectric injection valve of claim 5, wherein: the compression assembly comprises a telescopic knob locating pin (3) and a locating groove formed in a runner main body (5), the quick-release runner assembly is inlaid at a bayonet of a runner installation block (18), the telescopic knob locating pin (3) is located at the locating groove of the runner main body (5), the quick-release function of the runner assembly can be achieved without tools, the runner installation block (18) is fixed at the lower end of a valve body (1) through screws, and the telescopic knob locating pin (3) is fixed on the runner installation block (18) through threaded holes and reinforced by screws of two sides machine meters.
10. The quick release dual piezoelectric injection valve of claim 9, wherein: the heating assembly comprises a temperature sensor groove (16), a heating rod groove (17) and a heat conducting block (26), wherein the heat conducting block (26) is fixed on the front side and the rear side of the outer wall of the flow channel installation block (18), the temperature sensor groove (16) is formed in one side of the flow channel installation block (18), and the heating rod groove (17) is formed in the inner wall of the flow channel installation block (18) and is located below the temperature sensor groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322770747.2U CN220879431U (en) | 2023-10-17 | 2023-10-17 | Quick-dismantling type double-piezoelectric injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322770747.2U CN220879431U (en) | 2023-10-17 | 2023-10-17 | Quick-dismantling type double-piezoelectric injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220879431U true CN220879431U (en) | 2024-05-03 |
Family
ID=90875750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322770747.2U Active CN220879431U (en) | 2023-10-17 | 2023-10-17 | Quick-dismantling type double-piezoelectric injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220879431U (en) |
-
2023
- 2023-10-17 CN CN202322770747.2U patent/CN220879431U/en active Active
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