CN221046483U - Quick-dismantling single-piezoelectric injection valve - Google Patents
Quick-dismantling single-piezoelectric injection valve Download PDFInfo
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- CN221046483U CN221046483U CN202322755013.7U CN202322755013U CN221046483U CN 221046483 U CN221046483 U CN 221046483U CN 202322755013 U CN202322755013 U CN 202322755013U CN 221046483 U CN221046483 U CN 221046483U
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract 2
- 238000007906 compression Methods 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 58
- 238000009434 installation Methods 0.000 claims description 32
- 239000000919 ceramic Substances 0.000 claims description 22
- 238000010304 firing Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 17
- 210000001503 joint Anatomy 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 239000000243 solution Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of dispensing equipment, in particular to a quick-disassembly single-pressure electric injection valve, which comprises a valve body, wherein one side of the outer wall of the valve body is fixedly provided with a needle cylinder support, the inner wall of the needle cylinder support is fixedly provided with a needle cylinder, the quick-disassembly single-pressure electric injection valve further comprises a piezoelectric driving assembly, the piezoelectric driving assembly is arranged on the inner wall of the valve body, the quick-disassembly flow passage assembly is arranged below the bottom end of the outer wall of the valve body, and the compression assembly is arranged on one side of the quick-disassembly flow passage assembly.
Description
Technical Field
The utility model relates to the technical field of dispensing equipment, in particular to a quick-dismantling single-piezoelectric injection valve.
Background
In the current dispensing device, the firing pin is usually arranged in the valve body, and because of long-time use, glue solution is easy to permeate through the sealing ring to contact with piezoelectric ceramics, and the piezoelectric ceramics is easy to damage, and when the internal parts of the dispensing device are required to be maintained and replaced, the disassembly and the installation steps are complicated, the time is long, the working efficiency is influenced, and meanwhile, the runner heating function is realized by the fact that a heating block is required to be installed outside the valve body, and when the internal parts in the dispensing device are maintained and replaced, the disassembly and the installation steps are complicated, the time is long, and the working efficiency is influenced.
In summary, it is necessary to invent a quick-release single-pressure electric injection valve.
Disclosure of utility model
Therefore, the utility model provides a quick-dismantling type single-pressure electric injection valve, which solves the problems that in the existing dispensing device, a firing pin is usually arranged in a valve body, glue solution easily permeates a sealing ring to contact with piezoelectric ceramics for a long time, the piezoelectric ceramics are easily damaged, and in addition, when the internal parts of the dispensing device are maintained and replaced, the disassembly and the installation steps are complicated.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a quick detach formula single piezoelectricity injection valve, includes the valve body, outer wall one side of valve body is fixed with the cylinder support, the inner wall of cylinder support is fixed with the cylinder, still includes:
the piezoelectric driving assembly is arranged on the inner wall of the valve body;
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 a supporting rotating shaft, a lever, a driving lower end sliding block, piezoelectric ceramics, a driving upper end sliding block, a first adjusting block, a second adjusting block, a pre-tightening screw, a ram guide sleeve, a ram reset spring and a reset spring positioning block, wherein a clamping groove is formed in the valve body, the reset spring positioning block is arranged at the clamping groove in the valve body in a butt manner, the supporting rotating shaft is arranged in the valve body in a butt manner with the clamping groove, the pre-tightening screw knob is arranged at the top of the valve body in a screw hole, and the lower end of the pre-tightening screw is in butt manner with the second adjusting block.
Preferably, the lower end of the second adjusting block is abutted to the first adjusting block, the lower end of the first adjusting block is abutted to the driving upper end sliding block, the lower end of the driving upper end sliding block is abutted to the piezoelectric ceramic, the lower end of the piezoelectric ceramic is abutted to the driving lower end sliding block, and the lower end of the driving lower end sliding block is abutted to the convex round part of the upper end of the lever.
Preferably, the lower end of the ram reset spring is abutted with the upper end of the reset spring positioning block, the left lower end of the lever is abutted with the support rotating shaft, the right lower end of the lever is abutted with the upper end of the ram and the ram reset spring, the ram guide sleeve is arranged at the screw hole at the lower end of the valve body, and the lower end of the ram penetrates through the center of the ram guide sleeve to play a guiding role.
Preferably, the quick detach formula runner subassembly includes luer connector, runner main part, nozzle nut, firing pin cover sealing washer, firing pin sealing washer, nozzle, end cap screw, firing pin, nozzle sealing washer, firing pin uide bushing, firing pin reset spring and end cap screw sealing washer, the outer wall bottom below of valve body is provided with the runner installation piece, end cap screw hole has been seted up to one side of runner main part, end cap screw sealing washer and end cap screw are installed in end cap screw hole department for conveniently wash the runner main part, luer connector installs in runner main part top screw hole department for the rubber tube is fixed, glue direction runner main part.
Preferably, the nozzle sealing ring is installed in a guide installation hole formed in the lower end of the runner main body, the upper portion of the nozzle sealing ring is in butt joint with a contact surface in the guide installation hole of the runner main body, the nozzle is installed in the guide installation hole, the upper end of the nozzle is in butt joint with the lower end of the nozzle sealing ring, the nozzle nut is twisted at the external thread of the guide installation hole, the lower end of the nozzle is in butt joint with a lower end positioning hole of the nozzle nut after being twisted, the sealing of the nozzle is realized, a striker sleeve sealing ring is installed in a sealing ring groove at the lower end of the striker guiding sleeve, and the lower end of the striker guiding sleeve is in butt joint with the contact surface of the guide installation hole of the runner main body.
Preferably, the striker sealing ring is arranged in a sealing ring groove in the striker guiding sleeve to play a role in sealing the striker and prevent glue from flowing backward, the striker return spring is arranged in the striker guiding sleeve, the lower end of the striker return spring is in butt joint with the contact surface of the striker guiding sleeve, the upper end of the striker return spring is in butt joint with the striker to play a role in resetting the striker, the striker penetrates through the striker return spring, the striker guiding sleeve and the striker guiding sleeve sealing ring, the lower end surface of the striker is in butt joint with the nozzle to play a role in closing, and the striker is lifted to play a role in opening the nozzle.
Preferably, the compressing assembly comprises a telescopic knob locating pin, a runner installation block and a locating slot formed in the runner main body, the quick-dismantling runner assembly is inlaid at a bayonet of the runner installation block, the telescopic knob locating pin is positioned at the locating slot of the runner main body, the quick-dismantling function of the runner assembly can be achieved without tools, the runner installation block is fixed at the lower end of the valve body through screws, and the telescopic knob locating pin is fixed on the runner installation block through threaded holes and reinforced by two-sided machine meter screws.
Preferably, the heating assembly 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 passage installation block, the temperature sensor groove is formed in one side of the flow passage installation block, and the heating rod groove is formed in one side, close to the firing pin, of the inner wall of the flow passage installation block.
Preferably, a cover plate is fixed on one side of the front end of the outer wall of the valve body, and a wire harness connector is arranged on the top end of the outer wall of the valve body.
The beneficial effects of the utility model are as follows:
1. According to the quick-dismantling type single-pressure injection valve, the quick-dismantling type flow passage assembly is adopted, the locating pin is positioned on the locating groove of the flow passage main body in a telescopic mode through the telescopic knob, accurate positioning can be achieved, the quick-dismantling type flow passage assembly can be dismantled and installed within a few seconds, the disassembly and assembly method is very simple, maintenance time is greatly saved, and stability of the quick-dismantling type single-pressure injection valve can be guaranteed.
2. According to the utility model, the plunger rod can conduct movement guiding through the plunger rod guiding sleeve, and the sealing ring is arranged on the plunger rod guiding sleeve, 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 driving burning is avoided.
3. According to the utility model, the runner heating function is arranged on the runner mounting block, the runner mounting block is provided with the temperature sensor groove and the heating rod groove, the temperature sensor and the heating block can be mounted, the inside of the valve body is connected to the wire harness connector, the heat conducting block is mounted outside the runner mounting block, so that the appearance is attractive, the accurate temperature control can be performed on the quick-dismantling runner assembly, and the heat conduction is faster.
Drawings
FIG. 1 is a schematic perspective view of the present utility model in front view;
FIG. 2 is a schematic view of a perspective structure of the cover plate of FIG. 1 with the cover plate removed;
FIG. 3 is a schematic diagram of the overall explosive structure of the present utility model;
FIG. 4 is a schematic cross-sectional view of the valve body of the present utility model;
FIG. 5 is a schematic perspective view of a piezoelectric driving assembly according to the present utility model;
FIG. 6 is a schematic cross-sectional view of the flow channel mounting block of the present utility model in elevation;
Fig. 7 is a schematic view of an exploded construction of the flow path installation block according to the present utility model.
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 nozzle nut; 7. a heat conduction block; 8. a flow passage installation block; 9. a cover plate; 10. a harness joint; 11. a return spring positioning block; 12. supporting a rotating shaft; 13. a lever; 14. driving the lower end sliding block; 15. piezoelectric ceramics; 16. driving the upper slider; 17. a first adjustment block; 18. a second adjustment block; 19. pre-tightening a screw; 20. a temperature sensor groove; 21. a heating rod groove; 22. a striker guide sleeve sealing ring; 23. a striker sealing ring; 24. a nozzle; 25. a plug screw; 26. a ram guide sleeve; 27. a striker; 28. a striker return spring; 29. a striker; 30. a nozzle seal ring; 31. a firing pin guide sleeve; 32. a striker return spring; 33. and a plug screw sealing ring.
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-dismantling type single-piezoelectric injection valve provided by the utility model comprises a valve body 1, a needle cylinder bracket 2 is fixed on one side of the outer wall of the valve body 1, a needle cylinder is fixed on the inner wall of the needle cylinder bracket 2, the quick-dismantling type single-piezoelectric injection valve further comprises a piezoelectric driving assembly, the piezoelectric driving assembly is arranged on the inner wall of the valve body 1 and comprises a supporting rotating shaft 12, a lever 13, a driving lower end sliding block 14, piezoelectric ceramics 15, a driving upper end sliding block 16, a first adjusting block 17, a second adjusting block 18, a pre-tightening screw 19, a striker guiding sleeve 26, a striker 27, a striker return spring 28 and a return spring positioning block 11, a clamping groove is formed in the valve body 1, the return spring positioning block 11 is arranged in the clamping groove of the valve body 1 and is abutted, the arranged return spring positioning block 11 is used for supporting the striker return spring 28, the striker return spring 28 is used for resetting the action of the striker 27, the support rotating shaft 12 is arranged in the valve body 1 and is abutted with the clamping groove, the screw hole is formed in the top of the valve body 1 by a pre-tightening screw 19 knob, the pre-tightening screw 19 is arranged in order to connect the second adjusting block 18, the lower end of the pre-tightening screw 19 is abutted with the second adjusting block 18, the lower end of the second adjusting block 18 is abutted with the first adjusting block 17, the lower end of the first adjusting block 17 is abutted with the driving upper end sliding block 16, the lower end of the driving upper end sliding block 16 is abutted with the piezoelectric ceramics 15, the lower end of the piezoelectric ceramics 15 is abutted with the driving lower end sliding block 14, the lower end of the driving lower end sliding block 14 is abutted with the upper end convex round part of the lever 13, the arranged piezoelectric ceramics 15 can press the lever 13 to support the rotating shaft 12 to rotate downwards after being started, the firing pin 27 can be triggered downwards, the arranged striker rod reset spring 28 can be in a compressed state, the striker rod 27 can be reset conveniently after the subsequent power is cut off, the lower end of the ram return spring 28 is in butt joint with the upper end of the return spring positioning block 11, the left lower end of the lever 13 is in butt joint with the supporting rotating shaft 12, the right lower end of the lever 13 is in butt joint with the upper end of the ram 27 and the ram return spring 28, the ram guide sleeve 26 is arranged at the screw hole at the lower end of the valve body 1, and the lower end of the ram 27 passes through the center of the ram guide sleeve 26 to play a guiding role;
Quick-release runner assembly, the quick-release runner assembly is installed below the bottom end of the outer wall of the valve body 1, the quick-release runner assembly comprises a luer connector 4, a runner main body 5, a nozzle nut 6, a striker sleeve sealing ring 22, a striker sealing ring 23, a nozzle 24, a plug screw 25, a striker 29, a nozzle sealing ring 30, a striker guiding sleeve 31, a striker return spring 32 and a plug screw sealing ring 33, a runner installation block 8 is arranged below the bottom end of the outer wall of the valve body 1, a plug screw hole is arranged on one side of the runner main body 5, the plug screw sealing ring 33 and the plug screw 25 are installed at the plug screw hole for conveniently cleaning the runner main body 5, the luer connector 4 is installed at the screw hole above the runner main body 5 for fixing a rubber tube, the luer connector 4 is arranged for completing the transportation of the rubber tube, the luer connector 4 is communicated with the rubber tube, the glue stored in the needle cylinder can be guided into the runner main body 5, the nozzle sealing ring 30 is arranged in a guide mounting hole formed at the lower end of the runner main body 5, the upper part of the nozzle sealing ring 30 is abutted with a contact surface in the guide mounting hole of the runner main body 5, the nozzle 24 is arranged in the guide mounting hole, the upper end of the nozzle 24 is abutted with the lower end of the nozzle sealing ring 30, the nozzle nut 6 is twisted at the external thread of the guide mounting hole, the lower end of the nozzle 24 is abutted with a lower end positioning hole of the nozzle nut 6 after being twisted, the sealing of the nozzle 24 is realized, the nozzle sealing ring 30 is arranged for sealing the nozzle 24, the striker sleeve sealing ring 22 is arranged in a sealing ring groove at the lower end of the striker guiding sleeve 31, the lower end of the striker guiding sleeve 31 and the lower end of the striker sleeve sealing ring 22 are abutted with the contact surface of the mounting hole of the runner main body 5, the striker guide sleeve 31 is arranged for guiding the sliding of the striker 27, the striker sleeve sealing ring 22 is arranged for sealing the striker guide sleeve 31, the striker sealing ring 23 is arranged in a sealing ring groove in the striker guide sleeve 31 and plays a role in sealing the striker 29 to prevent glue from flowing backwards, the striker return spring 32 is arranged in the striker guide sleeve 31, the lower end of the striker return spring 32 is abutted with the contact surface of the striker guide sleeve 31, the upper end of the striker return spring 32 is abutted with the striker 29 to play a role in resetting the striker 29, the striker 29 passes through the striker return spring 32, the striker guide sleeve 31 and the striker sleeve sealing ring 22, the lower end surface of the striker 29 is abutted with the nozzle 24 to play a role in closing, and the upper end of the striker 29 is lifted up to play a role in opening the nozzle 24;
The compressing assembly is arranged on one side of the quick-dismantling type runner assembly and comprises a telescopic knob locating pin 3, a runner mounting block 8 and a locating groove formed in the runner main body 5, the quick-dismantling type runner assembly is inlaid at a bayonet of the runner mounting block 8, 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 mounting block 8 is fixed at the lower end of the valve body 1 through screws, the telescopic knob locating pin 3 is fixed on the runner mounting block 8 through threaded holes and is reinforced by two-sided machine meter screws, specifically, when the knob of the hand-twist telescopic knob locating pin 3 falls down, a lower end cylinder just falls on the locating groove of the runner main body 5 to form the locating effect of the quick-dismantling type runner assembly, the striker rod is vertically and concentrically abutted with the striker, the quick-dismantling type runner is locked and cannot be taken out, when the hand-twist telescopic knob locating pin 3 is lifted up, the quick-dismantling type runner can be directly pulled out from the runner mounting block 8, maintenance can be directly inserted and used without tools for dismantling, and the maintenance can be directly used for manual dismantling the tools, so that the cost of a customer maintenance system can be greatly reduced;
The heating element, heating element sets up in quick detach formula runner subassembly, heating element includes temperature sensor groove 20, heating rod groove 21 and heat conduction piece 7, heat conduction piece 7 is fixed in the outer wall front and back side of runner installation piece 8, temperature sensor groove 20 sets up in one side of runner installation piece 8, heating rod groove 21 sets up at the inner wall of runner installation piece 8 and is close to one side of firing pin 29, outer wall front end one side of valve body 1 is fixed with apron 9, pencil joint 10 is installed on the outer wall top of valve body 1.
The application process of the utility model is as follows: the single-pressure electric injection valve uses high-speed piezoelectric ceramics 15, the controller drives the glue to be injected, and the piezoelectric ceramics 15 rapidly stretches and contracts along with each pulse to drive the striker rod 27 to move up and down, when the striker rod 29 lifts off the nozzle 24, the glue flows into a gap between the striker rod 29 and the nozzle 24, the striker rod 29 falls down to strike the nozzle 24, and instantaneous high pressure is formed in the cavity of the nozzle 24, so that the glue is injected, hundreds of accurate and repeatable glue points can be injected in one second due to the rapid and accurate up-and-down movement of the piezoelectric electrode;
The specific process is as follows: manually lifting the telescopic knob positioning pin 3, inserting the maintained quick-release runner assembly into the bayonet of the runner mounting block 8, placing the telescopic knob positioning pin 3, fixing a rubber tube arranged at the bottom end of a needle cylinder at the position of a luer connector 4 through a needle cylinder support 2, electrifying a jet valve through a wire harness connector 10, applying high level to a piezoelectric ceramic 15, vertically stretching the piezoelectric ceramic 15, supporting the movement axis of a rotating shaft 12 by a lever 13, amplifying displacement generated by the piezoelectric ceramic 15 by a plurality of times through the lever 13, acting the other end of the lever 13 on a plunger rod 27, directly abutting the plunger rod 27, downwards moving the plunger rod 27 and the plunger rod 29 to seal a nozzle 24 opening, applying certain air pressure to the rubber tube, filling Man Luer the connector 4 with glue, filling the cavity of a runner main body 5, contacting the upper end of the contact surface of the plunger rod 29 and the nozzle 24, at this time, the piezoelectric ceramic 15 is applied with a low level, the piezoelectric ceramic 15 is shortened, meanwhile, under the action of the restoring force of the plunger rod restoring spring 28 and the plunger rod restoring spring 32, the lever 13, the plunger rod 27 and the plunger rod 29 are lifted upwards at a high speed, under the action of external air pressure, the cavity of the nozzle 24 is filled with glue quickly, at this time, the piezoelectric ceramic 15 is applied with a high level, the plunger rod 27 impacts the nozzle 24 downwards at a high speed, a certain amount of glue is sprayed out of the nozzle 24, the plunger rod 29 is driven to continuously reciprocate up and down through the high-speed charge and discharge of the piezoelectric ceramic 15, so that the high-speed injection dispensing of the full-automatic dispensing machine is realized, the amplitude and the frequency of the plunger rod can be regulated by changing the amplitude, the frequency, the duty ratio and the like of the driving voltage, and the control of the dispensing performance of glue drops is realized.
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 quick detach formula single piezoelectricity injection valve, includes valve body (1), outer wall one side of valve body (1) is fixed with cylinder support (2), the inner wall of cylinder support (2) is fixed with the cylinder, its characterized in that: further comprises:
The piezoelectric driving assembly is arranged on the inner wall of the valve body (1);
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 single-pressure electric injection valve of claim 1, wherein: the piezoelectric driving assembly comprises a supporting rotating shaft (12), a lever (13), a driving lower end sliding block (14), piezoelectric ceramics (15), a driving upper end sliding block (16), a first adjusting block (17), a second adjusting block (18), a pre-tightening screw (19), a ram guide sleeve (26), a ram (27), a ram reset spring (28) and a reset spring positioning block (11), wherein a clamping groove is formed in the valve body (1), the reset spring positioning block (11) is installed in the valve body (1) in a clamping groove in a butt manner, the supporting rotating shaft (12) is installed in the valve body (1) in a butt manner with the clamping groove, a screw hole is formed in the top of the valve body (1) through a knob of the pre-tightening screw (19), and the lower end of the pre-tightening screw (19) is in butt manner with the second adjusting block (18).
3. The quick release single-pressure electric injection valve of claim 2, wherein: the lower extreme butt first regulating block (17) of second regulating block (18), first regulating block (17) lower extreme butt drive upper end slider (16), drive upper end slider (16) lower extreme butt piezoceramics (15), the lower extreme butt of piezoceramics (15) has drive lower end slider (14), the lower extreme of drive lower end slider (14) and the upper end bulge department butt of lever (13).
4. A quick release single-pressure electric injection valve according to claim 3, characterized in that: the lower extreme of ram reset spring (28) and reset spring locating piece (11) upper end butt, the butt of left lower extreme and the support axis of rotation (12) of lever (13), the upper end and ram reset spring (28) butt of lever (27) lower right end, ram uide bushing (26) are installed in valve body (1) lower extreme screw hole department, the lower extreme of ram (27) passes ram uide bushing (26) center and plays the guide effect.
5. The quick release single-pressure electric injection valve of claim 1, wherein: quick detach formula runner subassembly includes luer connector (4), runner main part (5), nozzle nut (6), firing pin cover sealing washer (22), firing pin sealing washer (23), nozzle (24), end cap screw (25), firing pin (29), nozzle sealing washer (30), firing pin uide bushing (31), firing pin reset spring (32) and end cap screw sealing washer (33), outer wall bottom below of valve body (1) is provided with runner installation piece (8), end cap screw hole has been seted up to one side of runner main part (5), end cap screw sealing washer (33) and end cap screw (25) are installed in end cap screw hole department for conveniently wash runner main part (5), luer connector (4) are installed in runner main part (5) top screw hole department for the rubber tube is fixed, glue direction runner main part (5).
6. The quick release single-pressure electric injection valve of claim 5, wherein: the nozzle sealing ring (30) is installed in a guide installation hole formed in the lower end of the runner main body (5), the upper portion of the nozzle sealing ring (30) is in butt joint with a contact surface in the guide installation hole of the runner main body (5), the nozzle (24) is installed in the guide installation hole, the upper end of the nozzle (24) is in butt joint with the lower end of the nozzle sealing ring (30), the nozzle nut (6) is twisted at the external thread of the guide installation hole, the lower end of the nozzle (24) is in butt joint with a lower end positioning hole of the nozzle nut (6) after the nozzle nut is twisted tightly, sealing of the nozzle (24) is achieved, a firing pin sleeve sealing ring (22) is installed in a sealing ring groove at the lower end of the firing pin guiding sleeve (31), the firing pin guiding sleeve (31) is installed in the installation hole at the upper end of the runner main body (5), and the lower end of the firing pin guiding sleeve sealing ring (31) is in butt joint with the contact surface of the installation hole of the runner main body (5).
7. The quick release single-pressure electric injection valve of claim 6, wherein: the novel anti-backflow device is characterized in that the striker sealing ring (23) is arranged in a sealing ring groove inside the striker guide sleeve (31) and plays a role in sealing the striker (29) to prevent glue from backflow, the striker return spring (32) is arranged in the striker guide sleeve (31), the lower end of the striker return spring (32) is abutted to the contact surface of the striker guide sleeve (31), the upper end of the striker return spring (32) is abutted to the striker (29) to play a role in resetting the striker (29), the striker (29) penetrates through the striker return spring (32), the striker guide sleeve (31) and the striker sleeve sealing ring (22), the lower end surface of the striker (29) is abutted to the nozzle (24) to play a role in closing, and the striker (29) is lifted to open the nozzle (24).
8. The quick release single-pressure electric injection valve of claim 7, wherein: the compression assembly comprises a locating groove formed in a telescopic knob locating pin (3), a runner mounting block (8) and a runner main body (5), the quick-release runner assembly is inlaid at a bayonet of the runner mounting block (8), 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 mounting block (8) is fixed at the lower end of the valve body (1) through screws, and the telescopic knob locating pin (3) is fixed on the runner mounting block (8) through threaded holes and reinforced by two-sided machine rice screws.
9. The quick release single-pressure electric injection valve of claim 8, wherein: the heating assembly comprises a temperature sensor groove (20), a heating rod groove (21) and a heat conducting block (7), wherein the heat conducting block (7) is fixed on the front side and the rear side of the outer wall of the flow passage installation block (8), the temperature sensor groove (20) is formed in one side of the flow passage installation block (8), and the heating rod groove (21) is formed in one side, close to the firing pin (29), of the inner wall of the flow passage installation block (8).
10. The quick release single-pressure electric injection valve of claim 1, wherein: a cover plate (9) is fixed on one side of the front end of the outer wall of the valve body (1), and a wire harness connector (10) is installed at the top end of the outer wall of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322755013.7U CN221046483U (en) | 2023-10-13 | 2023-10-13 | Quick-dismantling single-piezoelectric injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322755013.7U CN221046483U (en) | 2023-10-13 | 2023-10-13 | Quick-dismantling single-piezoelectric injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221046483U true CN221046483U (en) | 2024-05-31 |
Family
ID=91200830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322755013.7U Active CN221046483U (en) | 2023-10-13 | 2023-10-13 | Quick-dismantling single-piezoelectric injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221046483U (en) |
-
2023
- 2023-10-13 CN CN202322755013.7U patent/CN221046483U/en active Active
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