CN205495929U - Accurate pneumatic type lever injection valve - Google Patents
Accurate pneumatic type lever injection valve Download PDFInfo
- Publication number
- CN205495929U CN205495929U CN201620220069.XU CN201620220069U CN205495929U CN 205495929 U CN205495929 U CN 205495929U CN 201620220069 U CN201620220069 U CN 201620220069U CN 205495929 U CN205495929 U CN 205495929U
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Abstract
The utility model provides an accurate pneumatic type lever injection valve, includes the main valve body, sets up the stroke adjusting device on main valve body upper portion sets up the feedway of the first lateral part of the main valve body sets up the solenoid valve of main valve body second lateral part, a heating device sets up the lower part of the main valve body, a shower nozzle setting is under heating device, the main valve body is including last valve body and lower valve body, last valve body passes through fixing device with lower valve body and is connected, go up the valve body and set up first body cavity, the head setting of a firing pin subassembly in first body cavity, the middle part of a firing pin subassembly runs through whole valve body down, the afterbody and the nozzle that sets up below heating device of a firing pin subassembly are laminated mutually, set up a pressure connection in the below of the head of the upper portion of last valve body firing pin subassembly, set up a feed port module on the valve body under, set up the one feed port above the feed port module at least the utility model provides a point is glued swiftly, the accuracy, and accurate pneumatic type lever injection valve is glued to disconnected point gluey clean, that seal structure is not fragile.
Description
Technical field
This utility model relates to a kind of fluid control device, and it is particularly to a kind of precise pneumatic formula lever injection valve.
Background technology
Now, various industrial products encapsulation procedures utilize precise pneumatic formula lever injection valve carry out the application of glued assembly the most fairly common, and the device that the construction package inspections such as a upper cover, a piston spring, a piston, a body, a needle-valve, a valve seat body and a tailstock are closed by the structure of precise pneumatic formula lever injection valve mostly by four base screws and four upper cover screws traditionally.When this precise pneumatic formula lever injection valve is inputted a glue, and by this needle-valve start of this piston driving, this glue can be made to be pushed out by needle-valve should, reaching purpose for dispensing glue, porous precise pneumatic formula lever injection valve device is i.e. the precise pneumatic formula lever injection valve structure will closed by numerous assembly bolts by screw.And carry out process for dispensing glue in this precise pneumatic formula lever injection valve; because of the continuous start of piston and needle-valve constantly clash into therefore; usually can produce glue private stagnant in precise pneumatic formula lever injection valve; or this precise pneumatic formula lever injection valve assembly produces elastic fatigue or the situation of abrasion; and when being somebody's turn to do; when vapour glue valve need to clean or replace assembly and tear open; after i.e. needing to outward winding this upper cover screw and this base screw; whole precise pneumatic formula lever injection valve is disassembled, could be cleaned maybe being replaced by the assembly of damage by the assembly needing cleaning.And during assembling components being returned this precise pneumatic formula lever injection valve again after cleaning or replacing assembly, an opposition can be produced in assembling process again because of this piston spring, the situation that often resulting in needs two people to be completed by this precise pneumatic formula lever injection valve occurs, and causes quite inconvenience.So the shortcoming of existing precise pneumatic formula lever injection valve is that sealing ring pad is easily worn, and it is slow to put glue speed, and can not realize joining the demand of the glue of different proportion, causes executing man-haur efficiency low.
Therefore, prior art existing defects, need to improve.
Utility model content
The purpose of this utility model is to provide a kind of some glue quick, and accurately, disconnected glue is clean, seal close structure, non-damageable some glue precise pneumatic formula lever injection valve.
The technical solution of the utility model is as follows:
A kind of precise pneumatic formula lever injection valve, the first cavity of including a main valve body, being arranged on main valve body, the second cavity, the stroke adjusting device of described upper part of the main valve body it is arranged in the first cavity, the air cylinder driven mechanism be arrangeding in parallel with stroke adjusting device is set in the second cavity, it is arranged on the feeding device of described main valve body the first sidepiece, it is arranged on the high-frequency electromagnetic valve of described main valve body the second sidepiece, one heater is arranged on the bottom of described main valve body, and a shower nozzle is arranged on the underface of heater；
Described main valve body includes upper valve body and lower valve body, described upper valve body is connected by fixing device with lower valve body, described upper valve body arranges the first body cavity, the head of one firing pin assembly is arranged in the first body cavity, whole lower valve body is run through at the middle part of a firing pin assembly, and the afterbody of a firing pin assembly fits with the nozzle being arranged on below heater；One inlet suction port is set in the lower section of the head of the top firing pin assembly of upper valve body, lower valve body arranges a charging hole module, at least provided with a charging hole above charging hole module；
It is provided above a striker seat at firing pin assembly head, striker seat is arranged above with a preloading spring, the pretension that is arranged above at preloading spring regulates spring, pretension regulation spring be arranged above one stroke adjustment seat, it is provided above an adjusting nut in stroke adjustment seat, is respectively provided with a calibration loop in pretension regulation spring, the outside of stroke adjustment seat；
In the firing pin assembly passage of lower valve body, it is respectively provided with at least one guide bearing, the afterbody of a firing pin assembly of guide bearing arranges a general plug, the underface of charging hole module arranges the cavity of a shower nozzle, in the outside of the cavity of shower nozzle, one clamp device is set, arranging a heater in the periphery of the cavity of shower nozzle, the end at the cavity of shower nozzle arranges a nozzle；
Arranging a horizontal cavity at lower valve body, arrange a lever at horizontal cavity, its intermediate part is fixed on movable axis, and the first end of described lever connects the medium position of the second end connection firing pin assembly driving cylinder, described lever.
Described precise pneumatic formula lever injection valve, wherein, the electromagnetic valve being arranged on described main valve the second side portion is connected by attachment means and described main valve are fixing, electromagnetic valve includes electromagnetic valve body, the top of electromagnetic valve body is provided with electromagnetic valve socket, arranging a silencing apparatus on electromagnetic valve body, be set in parallel on valve body with silencing apparatus is the first inlet suction port, and the first air outlet adapter being correspondingly arranged with the first inlet suction port is connected with the first intake interface of described main valve body.
The position that described upper valve body regulates with pretension and arranges the first sealing device between spring, firing pin assembly is combined with charging hole arranges the second sealing device, and described first sealing device, described second sealing device are O RunddichtringOs.
Described precise pneumatic formula lever injection valve, wherein, described feeding device includes a feeding device support, a feeding container, a feeding-passage being connected with described main valve body charging hole.
The position that described upper valve body regulates with pretension and arranges the first sealing device between spring, firing pin assembly is combined with charging hole arranges the second sealing device, and described first sealing device, described second sealing device are O RunddichtringOs.
Described precise pneumatic formula lever injection valve, wherein, main valve body arranges a driving means, described driving means is a pneumatic actuating device, described pneumatic actuating device includes, one drives cylinder to be arranged on the top of described upper valve body, in described driving cylinder and an actuating device, the head of spiral shaft is connected, the afterbody of described spiral shaft performs device head with input and output material and connects, described driving cylinder is used for driving described actuating device to pump, described spiral shaft pumps with the piston being fixed on bar alive by rotarily driving described input and output material execution device and the bar alive being fixed on described input and output material execution device.
Described precise pneumatic formula lever injection valve, wherein, arranges a driving means, described driving means one pneumatic actuating device on main valve body；Described pneumatic actuating device includes that the head being arranged on described upper valve body arranges an adjusting knob, one first cylinder is set in described upper valve body, one actuating device, the head of described actuating device is cross head, described cross head is arranged in described first cylinder, described cross head connects with described adjusting knob, and the middle part of described actuating device is arranged in described actuating device passage, and the afterbody of described actuating device is connected with connecting plate by an attachment means.
Described precise pneumatic formula lever injection valve, wherein, also includes metering cavity, described metering cavity and input and output material control to arrange at least one guide rod between device, guide rod is fixed on described metering cavity, and guide rod be arranged in parallel with bar of living, and guide rod is used for limiting bar run location alive.
Described precise pneumatic formula lever injection valve, wherein, described first sealing device, described second sealing device are O RunddichtringOs.
Immediately below a described firing pin assembly head, the position that lower valve body is combined is provided with Y-shaped ring.
Described lower valve body is arranged on the lower section of described upper valve body, controls device at least provided with an input and output material on described lower valve body,
Arrange actuating device between described upper valve body and described lower valve body, input and output material performs device.
Described driving means performs device top by actuating device with input and output material and is connected, and input and output material performs device bottom and is connected with the first end of all bars alive, and the second end of each bar of living is connected with corresponding piston,
Position, described lower valve body middle and lower part arranges two metering cavities, a piston it is correspondingly arranged in the inside of each metering cavity, the afterbody of each metering cavity controls device with input and output material and is connected, described driving means performs device top by actuating device with input and output material and is connected, input and output material performs device bottom and is connected with the first end of all bars alive, and the second end of each bar of living is connected with corresponding piston.
Such scheme is taked to provide the benefit that:
nullDescribed precise pneumatic formula lever injection valve，At least provided with a sealing device between each piston and each corresponding metering cavity，The position combined in head and the first cavity cavity wall of I shape top gas bar is provided with the first sealing device，In the second glue hole、The position that first glue hole combines with the first cavity cavity wall is provided with the second sealing device，These sealing devices are set，Effectively prevent during for dispensing glue，Private stagnant in precise pneumatic formula lever injection valve owing to producing glue，Or this precise pneumatic formula lever injection valve assembly produces elastic fatigue or the situation of abrasion，When glue valve need to clean or replace assembly and tear open，After i.e. needing to outward winding this upper cover screw and this base screw，Whole precise pneumatic formula lever injection valve is disassembled，Could be cleaned maybe being replaced by the assembly of damage by the assembly needing cleaning，Plant some glue quick，Accurately，Disconnected glue is clean、Seal structure non-damageable precise pneumatic formula lever injection valve，The function realizing precise pneumatic formula lever injection valve is more diversified.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of this utility model precise pneumatic formula lever injection valve；
Fig. 2 is the schematic diagram two of this utility model precise pneumatic formula lever injection valve；
Fig. 3 is utility model works principle schematic；
Fig. 4 is that this utility model precise pneumatic formula lever injection valve performs structural representation one；
Fig. 5 is that this utility model precise pneumatic formula lever injection valve performs structural representation two.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
Embodiment 1
Such as Fig. 1, Fig. 2, shown in Fig. 3, a kind of precise pneumatic formula lever injection valve, , precise pneumatic formula lever injection valve be typically and point gum machine or desktop machine people or mechanical hand or other point glue equipment with the use of, including a main valve body 11, the first cavity being arranged on main valve body, second cavity, the stroke adjusting device 6 of described upper part of the main valve body it is arranged in the first cavity, the air cylinder driven mechanism 1 be arrangeding in parallel with stroke adjusting device 6 is set in the second cavity, it is arranged on the feeding device 13 of described main valve body 11 first sidepiece, it is arranged on the high-frequency electromagnetic valve of described main valve body 11 second sidepiece, one heater is arranged on the bottom of described main valve body 11, one shower nozzle 10 is arranged on the underface of heater；Described heater is provided with heating plate 4 and heat block 5；Described heat block 4 is arranged on the sidepiece of described shower nozzle 10.
Described main valve body 11 includes upper valve body and lower valve body, described upper valve body is connected by fixing device with lower valve body, described upper valve body arranges the first body cavity, the head of one firing pin assembly 7 is arranged in the first body cavity, whole lower valve body is run through at the middle part of a firing pin assembly 7, and the afterbody of a firing pin assembly 7 fits with the shower nozzle being arranged on below heater；One inlet suction port is set in the lower section of 7 heads of the top firing pin assembly of upper valve body, lower valve body arranges a charging hole module, at least provided with a charging hole above charging hole module；
It is provided above a striker seat at firing pin assembly 7 head, striker seat is arranged above with a preloading spring 3, the pretension that is arranged above at preloading spring 3 regulates spring, pretension regulation spring be arranged above one stroke adjustment seat, it is provided above an adjusting nut in stroke adjustment seat, is respectively provided with a calibration loop in pretension regulation spring, the outside of stroke adjustment seat；
In firing pin assembly 7 passage of lower valve body, it is respectively provided with at least one guide bearing 8, the afterbody of a firing pin assembly 4 of guide bearing 8 arranges a general plug, the underface of charging hole module arranges the cavity of a shower nozzle 10, in the outside of the cavity of shower nozzle 10, a clamp device is set, arranging a heater in the periphery of the cavity of shower nozzle 10, the end at the cavity of shower nozzle 10 arranges a nozzle；
Arranging a horizontal cavity at lower valve body, arrange a lever 2 at horizontal cavity, be fixed on movable axis in the middle part of lever 2, the first end of described lever 2 connects the medium position of the second end connection firing pin assembly 7 driving cylinder 1, described lever 2.
Electromagnetic valve at main valve body 11 second sidepiece is connected by attachment means is fixing with described main valve body 11, electromagnetic valve includes electromagnetic valve body, the top of electromagnetic valve body is provided with electromagnetic valve socket, electromagnetic valve body arranges a silencing apparatus, be set in parallel on valve body with silencing apparatus is the first inlet suction port, and the first air outlet adapter being correspondingly arranged with the first inlet suction port is connected with the first intake interface of described main valve body 11.
Feeding device includes a feeding device support, a feeding container, a feeding-passage being connected with described main valve body 11 charging hole.
The position that upper valve body regulates with pretension and arranges the first sealing device 9 between spring, firing pin assembly 7 is combined with charging hole arranges the second sealing device 9, and described first sealing device 9, described second sealing device 9 are O RunddichtringOs.
One driving means 1 is set on main valve body, described driving means 1 is a pneumatic actuating device, described pneumatic actuating device includes, one drives cylinder to be arranged on the top of described upper valve body, in described driving cylinder and an actuating device, the head of spiral shaft is connected, the afterbody of described spiral shaft performs device head with input and output material and connects, described driving cylinder is used for driving described actuating device to pump, described spiral shaft pumps with the piston being fixed on bar alive by rotarily driving described input and output material execution device and the bar alive being fixed on described input and output material execution device.
Described precise pneumatic formula lever injection valve, wherein, arranges a driving means 1, described driving means 1 one pneumatic actuating device on main valve body；Described pneumatic actuating device includes that the head being arranged on described upper valve body arranges an adjusting knob, one first cylinder is set in described upper valve body, actuating device, the head of described actuating device is cross head, described cross head is arranged in described first cylinder, described cross head connects with described adjusting knob, and the middle part of described actuating device is arranged in described actuating device passage, and the afterbody of described actuating device is connected with connecting plate by an attachment means.
Described precise pneumatic formula lever injection valve, wherein, also includes metering cavity, described metering cavity and input and output material control to arrange at least one guide rod between device, guide rod is fixed on described metering cavity, and guide rod be arranged in parallel with bar of living, and guide rod is used for limiting bar run location alive.
Described precise pneumatic formula lever injection valve, wherein, described first sealing device 9, described second sealing device 9 are O RunddichtringOs；The position being combined with lower valve body immediately below firing pin assembly 7 head is provided with Y-shaped ring.
Described lower valve body is arranged on the lower section of described upper valve body, controls device at least provided with an input and output material on described lower valve body；Arrange actuating device between described upper valve body and described lower valve body, input and output material performs device；Described driving means performs device top by actuating device with input and output material and is connected, and input and output material performs device bottom and is connected with the first end of all bars alive, and the second end of each bar of living is connected with corresponding piston,
Position, described lower valve body middle and lower part arranges two metering cavities, a piston it is correspondingly arranged in the inside of each metering cavity, the afterbody of each metering cavity controls device with input and output material and is connected, described driving means performs device top by actuating device with input and output material and is connected, input and output material performs device bottom and is connected with the first end of all bars alive, and the second end of each bar of living is connected with corresponding piston.
Firing pin assembly 7, under the pretightning force effect of preloading spring, presses with nozzle pad, stops fluid to flow out, is closed, and fluid is full of the gap between firing pin assembly 7 and cavity under pressure.Under the on-off control of electromagnetic valve, compressed air enters in main valve body 11, promotes firing pin assembly 7 to move upward, until with end in contact under stroke adjustment seat, and stop one section of reasonable time in this position, now, striker separates with nozzle pad, and fluid enters nozzle pad.Work as solenoid closure, striker under the force of a spring, fast ram nozzle pad, it is the kinetic energy that striker moves downward by the precompressed potential energy converting and energy of spring, fluid is cut-off in flow process, sprays out by nozzle with glue drop-wise by fluid in Guan Bi moment, completes a working cycle.Striker stops one section of reasonable time equally in its lowest position, and motion starts the next period of motion then up.The movement travel of striker can be adjusted by regulation stroke adjustment seat；
For different fluid behaviours, the pretightning force to glue valve and stroke is needed to be set and regulate.The pretightning force of precise pneumatic formula lever injection valve and travel parameters independent regulation, be independent of each other.Preloading spring pretightning force size can be realized by rotating the position of pretension regulation spring, thus change the acceleration that striker moves downward；Position by rotating distance adjustment seat can realize the setting of firing pin assembly move distance, reaches to change the purpose of gel quantity.
Feed pressure directly affects glue valve effect for dispensing glue with the size of supply gas pressure, and feed pressure is the least, and fluid can not be full of nozzle pad and nozzle；Feed pressure is too big, in valve opening moment, directly flows out from nozzle, it is impossible to form spraying.The size firing pin assembly to be enough to ensure that of supply gas pressure can move up and down smoothly.During the regulation carrying out gel quantity, four factors are had can directly to change its size, i.e. feed pressure, glue stroke of valve, nozzle specification and the switch time of electromagnetic valve and get number ready.Due to different application scenarios, it may be necessary to the cooperation of different parameters and accessory can be only achieved preferable product effect, it is not recommended that change some parameter therein blindly.We follow to use and minimum get number and the shortest time, the principle of production best product ready.Number and duration of valve opening are got in unconfined increase ready, can aggravate the wear out failure of product and may cause cannot realizing spraying effect for dispensing glue.
This spraying glue dispensing valve is money contactless spraying glue dispensing valve, can be widely applied to the flow-controllable of all kinds of adhesive, at a high speed the some glue operations such as surface adhesive, conductive silver paste, IC packaging plastic, underfill, fluid sealant, surface coating glue.The narrow space of little to hundred microns can be injected, also glue can be precisely put specifying position complete weight to 0.01 milligram of rank.Precise pneumatic formula lever injection valve can with complete automatization's point glue platform, Electronic Packaging industry, illuminating industry, energy industry, Life Science and other need high accuracy, high efficiency and the occasion that has space to limit to be that client brings maximum economic benefit.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted, and all these modifications and variations all should be belonged to the protection domain of this utility model claims.
Claims (8)
1. a precise pneumatic formula lever injection valve, it is characterized in that, the first cavity of including a main valve body, being arranged on main valve body, the second cavity, the stroke adjusting device of described upper part of the main valve body it is arranged in the first cavity, the air cylinder driven mechanism be arrangeding in parallel with stroke adjusting device is set in the second cavity, it is arranged on the feeding device of described main valve body the first sidepiece, it is arranged on the high-frequency electromagnetic valve of the second sidepiece of described main valve body, one heater is arranged on the bottom of described main valve body, and a shower nozzle is arranged on the underface of heater；
Described main valve body includes upper valve body and lower valve body, described upper valve body is connected by fixing device with lower valve body, described upper valve body arranges the first body cavity, the head of one firing pin assembly is arranged in the first body cavity, whole lower valve body is run through at the middle part of a firing pin assembly, and the afterbody of a firing pin assembly fits with the nozzle being arranged on below described heater；One inlet suction port is set in the lower section of the head of the top firing pin assembly of upper valve body, lower valve body arranges a charging hole module, at least provided with a charging hole above charging hole module；
It is provided above a striker seat at firing pin assembly head, striker seat is arranged above with a preloading spring, the pretension that is arranged above at preloading spring regulates spring, pretension regulation spring be arranged above one stroke adjustment seat, it is provided above an adjusting nut in stroke adjustment seat, is respectively provided with a calibration loop in pretension regulation spring, the outside of stroke adjustment seat；
In the firing pin assembly passage of lower valve body, it is respectively provided with at least one guide bearing, the afterbody of a firing pin assembly of guide bearing arranges a general plug, the underface of charging hole module arranges the cavity of a shower nozzle, in the outside of the cavity of shower nozzle, one clamp device is set, arranging a heater in the periphery of the cavity of shower nozzle, the end at the cavity of shower nozzle arranges a nozzle；
Arranging a horizontal cavity at lower valve body, arrange a lever at horizontal cavity, its intermediate part is fixed on movable axis, and the first end of described lever connects the medium position of the second end connection firing pin assembly driving cylinder, described lever.
Precise pneumatic formula lever injection valve the most according to claim 1, it is characterized in that, the electromagnetic valve being arranged on described main valve the second side portion is connected by attachment means and described main valve are fixing, electromagnetic valve includes electromagnetic valve body, the top of electromagnetic valve body is provided with electromagnetic valve socket, electromagnetic valve body arranges a silencing apparatus, be set in parallel on valve body with silencing apparatus is the first inlet suction port, and the first air outlet adapter being correspondingly arranged with the first inlet suction port is connected with the first intake interface of described main valve body.
Precise pneumatic formula lever injection valve the most according to claim 1, it is characterised in that described feeding device includes a feeding device support, a feeding container, a feeding-passage being connected with described main valve body charging hole.
Precise pneumatic formula lever injection valve the most according to claim 1, it is characterised in that arranging a driving means on main valve body, described driving means is a pneumatic actuating device, described pneumatic actuating device includes that a driving cylinder is arranged on the top of described upper valve body.
Precise pneumatic formula lever injection valve the most according to claim 1, it is characterized in that, main valve body arranges a driving means, described pneumatic actuating device includes that the head being arranged on described upper valve body arranges an adjusting knob, one first cylinder is set in described upper valve body, one actuating device, the head of described actuating device is cross head, described cross head is arranged in described first cylinder, described cross head connects with described adjusting knob, the middle part of described actuating device is arranged in described actuating device passage, the afterbody of described actuating device is connected with connecting plate by an attachment means.
Precise pneumatic formula lever injection valve the most according to claim 1, it is characterized in that, also include metering cavity, described metering cavity and input and output material control to arrange at least one guide rod between device, guide rod is fixed on described metering cavity, guide rod be arranged in parallel with bar of living, and guide rod is used for limiting bar run location alive.
Precise pneumatic formula lever injection valve the most according to claim 1, it is characterized in that, the position that described upper valve body regulates with pretension and arranges the first sealing device between spring, firing pin assembly is combined with charging hole arranges the second sealing device, and described first sealing device, described second sealing device are O RunddichtringOs.
Precise pneumatic formula lever injection valve the most according to claim 1, it is characterised in that the position being combined with lower valve body immediately below firing pin assembly head is provided with Y-shaped ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220069.XU CN205495929U (en) | 2016-03-22 | 2016-03-22 | Accurate pneumatic type lever injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220069.XU CN205495929U (en) | 2016-03-22 | 2016-03-22 | Accurate pneumatic type lever injection valve |
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| Publication Number | Publication Date |
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| CN205495929U true CN205495929U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620220069.XU Expired - Fee Related CN205495929U (en) | 2016-03-22 | 2016-03-22 | Accurate pneumatic type lever injection valve |
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| CN (1) | CN205495929U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081907A (en) * | 2017-06-12 | 2017-08-22 | 贵州大学 | Piezoelectricity striker printing head system |
| CN107138352A (en) * | 2017-07-07 | 2017-09-08 | 东莞市凯格精密机械有限公司 | A kind of spraying type dispensing valve |
| CN110328108A (en) * | 2019-07-30 | 2019-10-15 | 韶关欧亚特电子制品有限公司 | Needle valve glue rifle |
| CN110985746A (en) * | 2019-11-28 | 2020-04-10 | 东莞理工学院 | Rigidity differential pressure electricity high frequency pneumatic valve |
-
2016
- 2016-03-22 CN CN201620220069.XU patent/CN205495929U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081907A (en) * | 2017-06-12 | 2017-08-22 | 贵州大学 | Piezoelectricity striker printing head system |
| CN107138352A (en) * | 2017-07-07 | 2017-09-08 | 东莞市凯格精密机械有限公司 | A kind of spraying type dispensing valve |
| CN107138352B (en) * | 2017-07-07 | 2023-01-24 | 东莞市凯格精机股份有限公司 | Injection type dispensing valve |
| CN110328108A (en) * | 2019-07-30 | 2019-10-15 | 韶关欧亚特电子制品有限公司 | Needle valve glue rifle |
| CN110985746A (en) * | 2019-11-28 | 2020-04-10 | 东莞理工学院 | Rigidity differential pressure electricity high frequency pneumatic valve |
| CN110985746B (en) * | 2019-11-28 | 2022-04-29 | 东莞理工学院 | Rigidity differential pressure electricity high frequency pneumatic valve |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20170322 |