CN219377773U - Back suction type dispensing valve - Google Patents
Back suction type dispensing valve Download PDFInfo
- Publication number
- CN219377773U CN219377773U CN202320071268.9U CN202320071268U CN219377773U CN 219377773 U CN219377773 U CN 219377773U CN 202320071268 U CN202320071268 U CN 202320071268U CN 219377773 U CN219377773 U CN 219377773U
- Authority
- CN
- China
- Prior art keywords
- cavity
- sleeve
- valve body
- adjusting
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model relates to a back suction type dispensing valve, which comprises a main body, wherein the main body comprises a main valve body, a valve needle vertically and movably inserted in the main valve body, a detachable discharging sleeve fixed at the bottom of the main valve body, and a feeding connector inserted at one side of the main valve body; the device also comprises an adjusting device arranged above the main body and a connecting frame arranged between the adjusting device and the main body; the main valve body is detachably fixed at the bottom of the connecting frame, and the adjusting device comprises an adjusting valve body detachably fixed at the top of the connecting frame, a piston rod vertically and hermetically inserted at the top of the adjusting valve body and capable of moving up and down, a piston block sleeved on the piston rod and movably arranged in the adjusting valve body, an adjusting rod vertically and hermetically inserted at the bottom of the adjusting valve body and capable of moving up and down, and a knob sleeve sleeved on the piston rod in a threaded manner; the utility model not only avoids glue waste, but also improves glue spreading quality; in addition, the glue outlet amount can be adjusted so as to greatly facilitate the use.
Description
Technical Field
The utility model relates to a back suction type dispensing valve.
Background
The glue solution with different viscosities is needed to be discharged by using different dispensing valves, and the most common thimble type dispensing valve is generally only suitable for the glue solution with medium and low viscosities, but cannot be used for the glue solution with high viscosity; the high-viscosity glue solution needs to be pushed by larger pressure when being dispensed, but still is extremely easy to cause the phenomena of adhesion, glue breaking, falling dislike and wiredrawing, and the dispensing valve is easy to be blocked if the control is not good, so the high-viscosity glue solution is mostly provided with a high-viscosity dispensing valve which has a back suction function and can bear high-pressure impact, and the high-viscosity glue solution is also called a back suction dispensing valve at present; the existing back suction type glue dispensing valve lacks a quick opening and closing function, and can only finish glue discharge by cutting off glue liquid conveying, and hysteresis exists in the mode, so that the glue liquid still can be sprayed outwards for a large amount after the glue liquid conveying is cut off, the glue liquid is wasted, and the glue coating quality is poor; in addition, the existing back suction type dispensing valve cannot adjust the dispensing amount according to the requirement, is inconvenient to use and needs to be further improved.
Disclosure of Invention
Aiming at the current state of the art, the utility model aims to provide the back suction type dispensing valve which has a quick opening and closing function so as to eliminate hysteresis, thereby avoiding glue solution waste, improving glue coating quality and greatly facilitating use.
The technical scheme adopted for solving the technical problems is as follows: the back suction type dispensing valve comprises a main body, wherein the main body comprises a main valve body, a valve needle vertically and movably inserted in the main valve body, a detachable discharging sleeve fixed at the bottom of the main valve body, and a feeding connector inserted at one side of the main valve body; the lower end of the valve needle extends into the discharging sleeve, and is characterized by further comprising an adjusting device arranged above the main body and a connecting frame arranged between the adjusting device and the main body; the main valve body is detachably fixed at the bottom of the connecting frame, and the adjusting device comprises an adjusting valve body detachably fixed at the top of the connecting frame, a piston rod vertically and hermetically inserted at the top of the adjusting valve body and capable of moving up and down, a piston block sleeved on the piston rod and movably arranged in the adjusting valve body, an adjusting rod vertically and hermetically inserted at the bottom of the adjusting valve body and capable of moving up and down, and a knob sleeve sleeved on the piston rod in a threaded manner; the top of the regulating valve body is provided with a piston cavity, the piston block is movably arranged in the piston cavity, and a detachable filling cover is embedded in the opening of the piston cavity; the piston rod is vertically and movably inserted into the packing cover, the knob is sleeved above the packing cover, and the center of the bottom surface of the piston cavity is provided with a pressure regulating cavity; the upper end of the adjusting rod penetrates through the pressure adjusting cavity and is detachably fixed at the lower end of the piston rod, the lower end of the adjusting rod is concentric and is detachably fixed at the upper end of the valve needle, a spring is further arranged in the pressure adjusting cavity, the spring is sleeved outside the adjusting rod, and the upper end and the lower end of the spring respectively prop against the lower end of the piston block and the bottom surface of the pressure adjusting cavity; a first air inlet connector and a second air inlet connector are also in sealing plug connection with one side of the regulating valve body, and the first air inlet connector and the second air inlet connector are respectively communicated with the interiors of the piston cavity and the pressure regulating cavity; the anti-collision ring is fixedly sleeved outside the lower end of the knob sleeve, and the anti-collision ring is arranged above the top of the packing cover.
Preferably, the bottom of the main valve body is provided with a first sinking cavity, the root of the discharging sleeve is detachably embedded and fixed in the first sinking cavity, the end face of the root of the discharging sleeve is provided with a flow distribution cavity, the lower end of the valve needle extends into the flow distribution cavity, the lower end of the valve needle is further provided with a conical head, the bottom of the flow distribution cavity is provided with a conical converging cavity, and a discharging channel is arranged between the bottom surface of the conical converging cavity and the end part of the discharging sleeve.
Preferably, a second sedimentation cavity is formed in the center of the bottom surface of the first sedimentation cavity, and a feeding sedimentation cavity is formed in the center of the bottom surface of the second sedimentation cavity; the feeding connector is communicated with the inside of the feeding sinking cavity, a flexible opening and closing ring is further embedded in the second sinking cavity, the flexible opening and closing ring is sleeved outside the valve needle, an annular chamfer surface is formed at the edge of the opening of the lower end of the flexible opening and closing ring, and the inner wall of the annular chamfer surface is matched with the outer wall of the conical head.
Preferably, the top of ejection of compact cover has been seted up and has been sunk the concentric sealed chamber that sets up of chamber with the feeding, still inlay in the sealed chamber and have respectively upper seal cover and lower seal cover that distributes from top to bottom, upper seal cover with the seal cover is all sealed to be established outside the needle down, the inside detachable cover that presses that still is fixed with of opening part in sealed chamber, it establishes outside the needle to press the cover.
Preferably, a first annular conical surface is formed at the edge of the bottom opening of the pressing sleeve, and correspondingly, a second annular conical surface is formed at the top outer side edge of the upper sealing sleeve, and the first annular conical surface is pressed on the second annular conical surface so that the top opening of the upper sealing sleeve is tightly held on the outer wall of the valve needle.
Preferably, a third annular conical surface is formed on the bottom surface of the sealing cavity, correspondingly, a fourth annular conical surface is formed on the outer side edge of the bottom of the lower sealing sleeve, the bottom of the upper sealing sleeve is pressed on the top of the lower sealing sleeve, and then the fourth annular conical surface is pressed on the second annular conical surface, so that the bottom opening of the lower sealing sleeve is tightly held on the outer wall of the valve needle.
Preferably, the top of the lower sealing sleeve is also embedded with a sealing ring, the bottom of the upper sealing sleeve is tightly pressed on the sealing ring so as to seal the upper sealing sleeve and the lower sealing sleeve mutually, and the inner side of the sealing ring is tightly held on the valve needle.
Preferably, the end part of the discharging sleeve is also fixed with a detachable needle, the inside of the needle is communicated with the discharging channel, and a detachable needle pressing cap is also fixed between the needle and the end part of the discharging sleeve.
Compared with the prior art, the utility model has the advantages that: according to the utility model, a quick opening and closing function is realized by means of the adjusting device, the piston block is driven to move up and down by the air passage in the first air inlet connector and the second air inlet connector, and then the valve needle is driven to move up and down quickly by means of the piston rod and the adjusting rod, so that the effect of quickly opening and closing the glue solution conveying channel is achieved, hysteresis is eliminated, and further, waste of glue solution is avoided, and glue coating quality is improved; in addition, the glue outlet amount can be regulated by means of the knob sleeve, so that the use is greatly facilitated.
Drawings
FIG. 1 is a cross-sectional structural view of the present utility model;
fig. 2 is a plan side structural view of the present utility model.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.
As shown in fig. 1-2, a back suction dispensing valve comprises a main body 2, wherein the main body 2 comprises a main valve body 21, a valve needle 22 vertically and movably inserted in the main valve body 21, a detachable discharging sleeve 23 fixed at the bottom of the main valve body 21, and a feeding connector 25 inserted at one side of the main valve body 21; the lower end of the valve needle 22 extends into the discharge sleeve 23; the device also comprises an adjusting device 1 arranged above the main body 2 and a connecting frame 3 arranged between the adjusting device 1 and the main body 2; the main valve body 21 is detachably fixed at the bottom of the connecting frame 3, and the adjusting device 1 comprises an adjusting valve body 11 which is detachably fixed at the top of the connecting frame 3, a piston rod 13 which is vertically and hermetically inserted at the top of the adjusting valve body 11 and can move up and down, a piston block 16 which is sleeved on the piston rod 13 and is movably arranged in the adjusting valve body 11, an adjusting rod 15 which is vertically and hermetically inserted at the bottom of the adjusting valve body 11 and can move up and down, and a knob sleeve 14 which is sleeved on the piston rod 13 in a threaded manner; the top of the regulating valve body 11 is provided with a piston cavity 1101, a piston block 16 is movably arranged in the piston cavity 1101, and a detachable filler cover 12 is embedded in the opening of the piston cavity 1101; the piston rod 13 is vertically and movably inserted in the packing cover 12, the knob sleeve 14 is arranged above the packing cover 12, and the center of the bottom surface of the piston cavity 1101 is provided with a pressure regulating cavity 1102; the upper end of the adjusting rod 15 passes through the pressure adjusting cavity 1102 and is detachably fixed at the lower end of the piston rod 13, the lower end of the adjusting rod 15 is concentric and is detachably fixed at the upper end of the valve needle 22, a spring 17 is further arranged in the pressure adjusting cavity 1102, the spring 17 is sleeved outside the adjusting rod 15, and the upper end and the lower end of the spring 17 respectively prop against the lower end of the piston block 16 and the bottom surface of the pressure adjusting cavity 1102; a first air inlet connector 18 and a second air inlet connector 19 are also in sealing plug connection with one side of the regulating valve body 11, and the first air inlet connector 18 and the second air inlet connector 19 are respectively communicated with the insides of the piston cavity 1101 and the pressure regulating cavity 1102; the lower end of the knob sleeve 14 is also sleeved and fixed with an anti-collision ring 5, and the anti-collision ring 5 is arranged above the top of the packing cover 12.
The bottom of main valve body 21 has seted up first heavy chamber 213, and the detachable embedding of root of ejection of compact cover 23 is fixed in first heavy chamber 213, has seted up reposition of redundant personnel chamber 231 on the root terminal surface of ejection of compact cover 23, and the lower extreme of needle 22 stretches into reposition of redundant personnel chamber 231 in, and the lower extreme of needle 22 still is formed with conical head 221, and the toper chamber 232 that converges has been seted up to the bottom of reposition of redundant personnel chamber 231, has seted up ejection of compact way 233 between the bottom surface of toper chamber 232 and the tip of ejection of compact cover 23.
A second sinking cavity 212 is formed in the center of the bottom surface of the first sinking cavity 213, and a feeding sinking cavity 211 is formed in the center of the bottom surface of the second sinking cavity 212; the feeding connector 25 is mutually communicated with the inside of the feeding sinking cavity 211, a flexible opening and closing ring 26 is further embedded in the second sinking cavity 212, the flexible opening and closing ring 26 is sleeved outside the valve needle 22, an annular chamfer 261 is formed at the edge of the opening of the lower end of the flexible opening and closing ring 26, and the inner wall of the annular chamfer 261 is mutually matched with the outer wall of the conical head 221.
The top of ejection of compact cover 23 has seted up the sealed chamber 214 that sets up with feeding heavy chamber 211 concentric, still has inlayed in the sealed chamber 214 and has been equipped with upper seal cover 28 and lower seal cover 27 that distribute about respectively, and upper seal cover 28 and lower seal cover 27 all seal the cover and establish outside needle 22, and the opening part inside of sealed chamber 214 still is fixed with detachable pressure cover 210, presses the cover 210 cover to establish outside needle 22.
The edge of the bottom opening of the pressing sleeve 210 is formed with a first annular conical surface 2101, correspondingly, the top outer side edge of the upper sealing sleeve 28 is formed with a second annular conical surface 281, and the first annular conical surface 2101 is pressed on the second annular conical surface 281 so as to tightly hold the top opening of the upper sealing sleeve 28 on the outer wall of the valve needle 22.
The bottom surface of the sealing cavity 214 is formed with a third annular conical surface 215, correspondingly, the bottom outer side edge of the lower sealing sleeve 27 is formed with a fourth annular conical surface 271, the bottom of the upper sealing sleeve 28 is pressed on the top of the lower sealing sleeve 27, and then the fourth annular conical surface 271 is pressed on the second annular conical surface 281, so that the bottom opening of the lower sealing sleeve 27 is tightly held on the outer wall of the valve needle 22.
The top of the lower sealing sleeve 27 is also embedded with a sealing ring 29, the bottom of the upper sealing sleeve 28 is pressed on the sealing ring 29 to mutually seal the upper sealing sleeve 28 and the lower sealing sleeve 27, and the inner side of the sealing ring 29 is tightly held on the valve needle 22.
The end of the discharging sleeve 23 is also fixed with a detachable needle 24, the inside of the needle 24 is communicated with the discharging channel 233, and a detachable needle pressing cap 4 is also fixed between the needle 24 and the end of the discharging sleeve 23.
The inside of the packing cover 12 is also embedded with a framework type sealing ring 110 and a straight cylinder type sealing sleeve 111 which are respectively distributed up and down, and the framework type sealing ring 110 and the straight cylinder type sealing sleeve 111 are respectively and hermetically arranged outside the piston rod 13.
Working principle: the high-pressure glue solution enters the feed precipitation cavity 211 through the feed joint 25; in the initial position, the anti-collision ring 5 is spaced from the top of the filler cap 12 by a certain distance, and pressure gas is introduced into the first air inlet joint 18 and then enters the piston cavity 1101 through the first air inlet joint 18, so that the piston block 16 is pressed to move downwards, and the piston rod 13 is driven to move downwards until the anti-collision ring 5 is pressed on the top of the filler cap 12; the downward movement of the piston rod 13 drives the valve needle 22 to move downward by means of the adjusting rod 15, so that a gap is generated between the inner wall of the annular chamfer 261 and the outer wall of the conical head 221, and the high-pressure glue solution in the feeding sinking cavity 211 enters the diversion cavity 231 through the flexible opening ring 26, is dispersed along the outer wall of the conical head 221 to the periphery and recombined in the conical converging cavity 232, and finally enters the needle 24 through the discharging channel 233 and is sprayed outwards.
When the discharging amount of the high-pressure glue solution is to be regulated, the knob sleeve 14 is screwed to drive the piston rod 13 to move upwards or downwards according to the principle of spiral connection, and then the valve needle 22 is driven to move upwards or downwards by means of the regulating rod 15, so that the gap between the inner wall of the annular chamfer 261 and the outer wall of the conical head 221 is reduced or increased, and the glue feeding amount entering the diversion cavity 231 is reduced or increased, and finally the glue discharging amount sprayed from the needle 24 is regulated.
When the glue outlet is to be finished, the input of the pressure gas in the first air inlet connector 18 is cut off, the pressure gas is introduced into the second air inlet connector 19, and then the pressure gas enters the pressure regulating cavity 1102, so that the piston block 16 is pushed upwards until the outer wall of the conical head 221 is attached to the inner wall of the annular chamfer 261, and then the output of the high-pressure glue solution is cut off.
The quick start and stop function is realized by the aid of the adjusting device 1, the piston block 16 is driven to move up and down by means of air passage matching in the first air inlet connector 18 and the second air inlet connector 19, and the valve needle 22 is driven to move up and down quickly by means of the piston rod 13 and the adjusting rod 15, so that the effect of quickly opening and closing a glue solution conveying channel is achieved, hysteresis is eliminated, waste of glue solution is avoided, and glue coating quality is improved; in addition, the glue outlet amount can be regulated by the knob sleeve 14, so that the use is greatly facilitated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; while the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the techniques described in the foregoing embodiments, or that certain features may be substituted for those illustrated therein; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The back suction type dispensing valve comprises a main body, wherein the main body comprises a main valve body, a valve needle vertically and movably inserted in the main valve body, a detachable discharging sleeve fixed at the bottom of the main valve body, and a feeding connector inserted at one side of the main valve body; the lower end of the valve needle extends into the discharging sleeve, and is characterized by further comprising an adjusting device arranged above the main body and a connecting frame arranged between the adjusting device and the main body; the main valve body is detachably fixed at the bottom of the connecting frame, and the adjusting device comprises an adjusting valve body detachably fixed at the top of the connecting frame, a piston rod vertically and hermetically inserted at the top of the adjusting valve body and capable of moving up and down, a piston block sleeved on the piston rod and movably arranged in the adjusting valve body, an adjusting rod vertically and hermetically inserted at the bottom of the adjusting valve body and capable of moving up and down, and a knob sleeve sleeved on the piston rod in a threaded manner; the top of the regulating valve body is provided with a piston cavity, the piston block is movably arranged in the piston cavity, and a detachable filling cover is embedded in the opening of the piston cavity; the piston rod is vertically and movably inserted into the packing cover, the knob is sleeved above the packing cover, and the center of the bottom surface of the piston cavity is provided with a pressure regulating cavity; the upper end of the adjusting rod penetrates through the pressure adjusting cavity and is detachably fixed at the lower end of the piston rod, the lower end of the adjusting rod is concentric and is detachably fixed at the upper end of the valve needle, a spring is further arranged in the pressure adjusting cavity, the spring is sleeved outside the adjusting rod, and the upper end and the lower end of the spring respectively prop against the lower end of the piston block and the bottom surface of the pressure adjusting cavity; a first air inlet connector and a second air inlet connector are also in sealing plug connection with one side of the regulating valve body, and the first air inlet connector and the second air inlet connector are respectively communicated with the interiors of the piston cavity and the pressure regulating cavity; the anti-collision ring is fixedly sleeved outside the lower end of the knob sleeve, and the anti-collision ring is arranged above the top of the packing cover.
2. The back suction type dispensing valve according to claim 1, wherein the bottom of the main valve body is provided with a first sinking cavity, the root of the discharging sleeve is detachably embedded and fixed in the first sinking cavity, the end face of the root of the discharging sleeve is provided with a flow distribution cavity, the lower end of the valve needle extends into the flow distribution cavity, the lower end of the valve needle is further provided with a conical head, the bottom of the flow distribution cavity is provided with a conical converging cavity, and a discharging channel is arranged between the bottom of the conical converging cavity and the end part of the discharging sleeve.
3. The back suction dispensing valve of claim 2, wherein a second sinking chamber is provided at the bottom center of the first sinking chamber, and a feeding sinking chamber is provided at the bottom center of the second sinking chamber; the feeding connector is communicated with the inside of the feeding sinking cavity, a flexible opening and closing ring is further embedded in the second sinking cavity, the flexible opening and closing ring is sleeved outside the valve needle, an annular chamfer surface is formed at the edge of the opening of the lower end of the flexible opening and closing ring, and the inner wall of the annular chamfer surface is matched with the outer wall of the conical head.
4. The back suction type dispensing valve according to claim 3, wherein a sealing cavity concentric with the feeding sinking cavity is formed in the top of the discharging sleeve, an upper sealing sleeve and a lower sealing sleeve which are respectively distributed up and down are further embedded in the sealing cavity, the upper sealing sleeve and the lower sealing sleeve are respectively arranged outside the valve needle in a sealing mode, a detachable pressing sleeve is further fixed inside an opening of the sealing cavity, and the pressing sleeve is arranged outside the valve needle.
5. The back suction dispensing valve of claim 4 wherein the bottom opening edge of the pressure jacket is formed with a first annular conical surface, and correspondingly, the top outer side edge of the upper sealing jacket is formed with a second annular conical surface, and the first annular conical surface is pressed against the second annular conical surface to tightly hold the top opening of the upper sealing jacket against the outer wall of the valve needle.
6. The back suction dispensing valve of claim 5 wherein a third annular conical surface is formed on the bottom surface of the sealing cavity, correspondingly, a fourth annular conical surface is formed on the bottom outer side edge of the lower sealing sleeve, the bottom of the upper sealing sleeve is pressed on the top of the lower sealing sleeve, and the fourth annular conical surface is pressed on the second annular conical surface, so that the bottom opening of the lower sealing sleeve is held tightly on the outer wall of the valve needle.
7. The back suction dispensing valve of claim 6 wherein a sealing ring is further embedded in the top of the lower sealing sleeve, the bottom of the upper sealing sleeve is pressed against the sealing ring to seal the upper sealing sleeve and the lower sealing sleeve with each other, and the inner side of the sealing ring is tightly held on the valve needle.
8. The back suction dispensing valve of claim 7 wherein said discharge sleeve further comprises a removable needle secured to said end thereof, said needle being interconnected with said discharge passage, said needle further secured to said discharge sleeve between said needle and said end thereof with a removable needle cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320071268.9U CN219377773U (en) | 2023-01-08 | 2023-01-08 | Back suction type dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320071268.9U CN219377773U (en) | 2023-01-08 | 2023-01-08 | Back suction type dispensing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219377773U true CN219377773U (en) | 2023-07-21 |
Family
ID=87186967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320071268.9U Active CN219377773U (en) | 2023-01-08 | 2023-01-08 | Back suction type dispensing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219377773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358522A (en) * | 2023-12-05 | 2024-01-09 | 福建省统一环保科技有限公司 | High-efficiency low-consumption glue gun |
-
2023
- 2023-01-08 CN CN202320071268.9U patent/CN219377773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358522A (en) * | 2023-12-05 | 2024-01-09 | 福建省统一环保科技有限公司 | High-efficiency low-consumption glue gun |
| CN117358522B (en) * | 2023-12-05 | 2024-03-08 | 福建省统一环保科技有限公司 | High-efficiency low-consumption glue gun |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219377773U (en) | Back suction type dispensing valve | |
| CN101652188A (en) | Device for spraying pigmented fluids | |
| CN104117470B (en) | Flexible pressurization glue supply device for dispensing glue on molded fireworks | |
| US9108214B2 (en) | Dispensing module having a sealing zone and method for dispensing an adhesive | |
| CN113926649B (en) | Suck-back dispensing valve for dispensing machine | |
| EP0040068A1 (en) | Liquid dispensing device | |
| CN205270038U (en) | Glue dispensing valve | |
| CN205128314U (en) | Can quantitative rubber coating device | |
| CN218475517U (en) | Dispensing valve | |
| CN206334811U (en) | A kind of precise glue dispensing valve | |
| CN210455288U (en) | Cosmetics dosing filling machine | |
| CN112403814A (en) | Dispensing valve | |
| CN110252600A (en) | A kind of high pressure gluing valve body | |
| CN202983993U (en) | High-viscosity material gluing device | |
| AU2011205505B2 (en) | Apparatus and methods for jetting liquid material in desired patterns | |
| CN101780448A (en) | Novel micro binder gun | |
| CN205148774U (en) | Injection molding machine is with nozzle that has automatically regulated injection quantity | |
| CN208896377U (en) | A kind of piston type feed bottle | |
| CN204403387U (en) | One cuts off dispensing valve automatically | |
| CN203578133U (en) | Novel edge-coating cementing machine | |
| CN220635042U (en) | Adjustable constant-speed glue outlet structure of glue tank | |
| CN201205533Y (en) | Glue sealing gun | |
| CN218093282U (en) | Adjustable oil supply plunger for injection pump | |
| CN205966382U (en) | It is complete in gluey system of moving point | |
| CN208217385U (en) | A kind of filling tube filling for joint trimming agent sizing material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |