CN215429946U - Spraying valve is handed to thimble - Google Patents
Spraying valve is handed to thimble Download PDFInfo
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- CN215429946U CN215429946U CN202121093642.2U CN202121093642U CN215429946U CN 215429946 U CN215429946 U CN 215429946U CN 202121093642 U CN202121093642 U CN 202121093642U CN 215429946 U CN215429946 U CN 215429946U
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Abstract
The utility model provides a thimble hand-held spray valve, which relates to the technical field of glue dispensing and is characterized in that: the spray nozzle comprises a pressure glue nozzle, and the valve body is connected with the pressure glue nozzle; the tip of the thimble is arranged in the pressure glue spraying nozzle, a glue spraying opening is arranged between the tip and the pressure glue spraying nozzle, and the glue spraying opening is used for spraying glue; the other end of the thimble is screwed and fixed on the piston, the piston reciprocates left and right to drive the thimble to reciprocate left and right, so that the thimble opens or closes the glue spraying opening, and the switch for controlling glue spraying is used; the positioning bolt is screwed in the piston cylinder to limit the reciprocating stroke of the piston and is used for adjusting the glue spraying amount; hand-held operation of the aerosol valve is achieved.
Description
Technical Field
The utility model relates to the technical field of dispensing, in particular to a thimble-held spray valve.
Background
In the production of products such as automobile parts, electronic components and the like, a dispensing process is often needed, wherein the dispensing is to accurately dispense, coat, inject, drip or spray liquid such as glue, paint and the like in the product process to specific positions of the products. With the advancement of science and technology, the requirement for the manufactured products is higher and higher, the products are often produced by holding the dispensing device by hand and continuously dispensing the dispensing device, and the dispensing amount is sometimes adjusted according to the production requirement, so that a high-stability hand-held dispensing valve is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a thimble hand-held spray valve.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the improvement of a thimble hand-held spray valve is that: the spray nozzle comprises a pressure glue nozzle, and the valve body is connected with the pressure glue nozzle; the tip of the thimble is arranged in the pressure glue spraying nozzle, a glue spraying opening is arranged between the tip and the pressure glue spraying nozzle, and the glue spraying opening is used for spraying glue; the other end of the thimble is screwed and fixed on the piston, the piston reciprocates left and right to drive the thimble to reciprocate left and right, so that the thimble opens or closes the glue spraying opening, and the switch for controlling glue spraying is used; the positioning bolt is in threaded connection with the inside of the piston cylinder to limit the reciprocating stroke of the piston and is used for adjusting the glue spraying amount.
In the structure, a piston return spring is further arranged in the piston cylinder and used for returning the piston.
In the structure, the piston cylinder is provided with a piston cylinder upper cover for sealing the piston cylinder; the positioning bolt is in threaded connection with the upper cover of the piston cylinder.
In the above structure, the positioning bolt is provided with a damping spring for stabilizing the positioning bolt.
In the above structure, the valve body is provided with a button switch for controlling the action of the piston.
In the structure, a pressure glue cavity is arranged between the pressure glue nozzle and the ejector pin, the valve body is provided with a pressure glue inlet, the pressure glue inlet is communicated with the pressure glue cavity, and the pressure glue cavity is communicated with the glue spraying opening.
In the structure, the spray head further comprises a pressure air nozzle, the pressure air nozzle is connected with the valve body, a pressure air cavity is arranged between the pressure air nozzle and the pressure glue nozzle, the valve body is provided with a pressure air inlet, and the pressure air inlet is communicated with the pressure air cavity.
In the structure, an air jet corresponding to the glue spraying opening is arranged between the pressure air nozzle and the pressure glue nozzle, the air jet is communicated with the pressure air cavity, and the air jet is used for jetting air.
In the structure, a sealing cavity is further arranged in the valve body, a special-shaped sealing gasket is arranged in the sealing cavity, and the special-shaped sealing gasket enables the pressure rubber to be always in the pressure rubber cavity and is used for sealing the pressure rubber cavity.
In the structure, a pre-tightening spring is arranged in the sealing cavity, and the pre-tightening spring enables the special-shaped sealing gasket to be clamped on the thimble and used for removing the pressure glue on the thimble.
The utility model has the beneficial effects that: the hand-held operation of the spray valve is realized, the switch of the glue spraying is controlled by the button switch, and the glue can be continuously sprayed; the glue spraying amount can be adjusted by adjusting the positioning bolt; atomizing the glue through a pressure air nozzle; the piston return spring and the damping spring also improve the working stability of the spray valve.
Drawings
FIG. 1 is a cross-sectional view of a thimble-held aerosol valve of the present invention.
Fig. 2 is an enlarged sectional view of the head of fig. 1.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, the utility model discloses a thimble handheld spray valve, which comprises a valve body 1, a positioning bolt 2, a piston cylinder 3, a thimble 4 and a spray head 5, wherein the positioning bolt 2, the piston cylinder 3 and the thimble 4 are all arranged in the valve body 1, a piston 6, a piston return spring 7 and a piston cylinder upper cover 8 are arranged in the piston cylinder 3, the spray head 5 comprises a pressure glue nozzle 9, and the valve body 1 is connected with the pressure glue nozzle 9; the tip 10 of the thimble 4 is arranged in the pressure glue nozzle 9, a glue spraying port 11 is arranged between the tip 10 and the pressure glue nozzle 9, the other end of the thimble 4 is screwed and fixed on the piston 6, when the spray valve works, the piston cylinder 3 operates, the piston 6 moves leftwards, the elasticity of the piston return spring 7 is overcome, the thimble 4 is driven to move leftwards, the glue spraying port 11 is opened, and the pressure glue is sprayed out from the glue spraying port 11; when the piston cylinder 3 stops operating, the elasticity of the piston return spring 7 forces the piston 6 to reset rightwards, the piston 6 drives the thimble 4 to reset rightwards, the thimble 4 seals the glue spraying opening 11, glue spraying is stopped, the on-off control of glue spraying is realized, and the process is circulated and reciprocated, so that continuous glue spraying can be realized. Furthermore, the piston return springs 7 are symmetrically arranged along the piston 6, so that the force applied to the piston 6 by the piston return springs 7 is more uniform, and the piston 6 can be more stably forced to return to the right.
Piston cylinder upper cover 8 is connected with valve body 1, sealed piston cylinder 3, positioning bolt 2 spiro union in piston cylinder upper cover 8, through rotatory positioning bolt 2, adjustable positioning bolt 2 is in piston cylinder 3 length to the reciprocal stroke about adjustment piston 6, and then the reciprocal stroke about adjustment thimble 4 makes when spouting gluey state, and the relative distance of point 10 and pressure glue nozzle 9 produces the change, spouts gluey mouth 11 size thereupon and produces the change, realizes spouting gluey volume's adjustment. Be equipped with damping spring 12 on positioning bolt 2, damping spring 12's the other end top is on piston cylinder upper cover 8, and positioning bolt 2's stability has been guaranteed to damping spring 12's shock attenuation effect, avoids leading to positioning bolt 2 not hard up or shake because of the vibrations of spraying valve during operation, has guaranteed the stability of spouting gluey volume. Furthermore, the damping springs 12 are symmetrically arranged along the positioning bolt 2, so that the damping of the damping springs 12 on the positioning bolt 2 is more uniform, and the positioning bolt 2 is more stable.
Further, the valve body 1 is provided with a button switch 13, the operation of the piston cylinder 3 is controlled through the button switch 13, so that the action of the piston 6 is controlled, the left and right reciprocating movement of the thimble 4 is controlled, the on-off control of glue spraying is realized, and the continuous glue spraying can be realized through continuously controlling the switch button 13.
Further, as shown in fig. 1 and fig. 2, the nozzle 5 further includes a pressure air nozzle 14, the pressure air nozzle 14 is connected to the valve body 1, the valve body 1 is further provided with a pressure rubber inlet 15 and a pressure air inlet 16, a pressure rubber cavity 17 is provided between the pressure rubber nozzle 9 and the ejector pin 4, the pressure rubber inlet 15 is communicated with the pressure rubber cavity 17, the pressure rubber cavity 17 is communicated with the rubber ejection port 11, a pressure air cavity 18 is provided between the pressure air nozzle 14 and the pressure rubber nozzle 9, the pressure air inlet 16 is communicated with the pressure air cavity 18, an air ejection port 19 corresponding to the rubber ejection port 11 is provided between the pressure air nozzle 14 and the pressure rubber nozzle 9, the air ejection port 19 is communicated with the pressure air cavity 18, when the spray valve operates, the pressure rubber enters the pressure rubber cavity 17 from the pressure rubber inlet 15, the compressed air enters the pressure air cavity 18 from the pressure air inlet 16, the compressed air is ejected through the air ejection port 19, and a low-pressure area lower than atmospheric pressure is formed in front of the rubber ejection port 11, the pressure difference of the glue spraying opening 11 sucks out the pressure glue in the pressure glue cavity 17, the pressure glue is sprayed out from the glue spraying opening 11, and the sprayed glue is atomized under the action of the spraying force of the sprayed compressed gas. Furthermore, a guide ring is arranged in the pressure glue cavity 17, the guide ring prevents the ejector pin from deviating up and down, so that the ejector pin further stably works, and the guide ring guides the compressed glue to uniformly flow towards the glue spraying opening 11.
Furthermore, a sealing cavity 20 is further arranged in the valve body 1, a special-shaped sealing gasket 21 and a pre-tightening spring 22 are arranged in the sealing cavity 20, the special-shaped sealing gasket 21 seals the pressure rubber cavity 17 to shield the pressure rubber in the pressure rubber cavity 17, and the pressure rubber is prevented from entering other parts of the valve body 1 to influence the operation of the spray valve; furthermore, the pre-tightening spring 22 exerts an elastic force on the special-shaped sealing gasket 21, so that the special-shaped sealing gasket 21 tightly seals the pressure rubber cavity 17, meanwhile, the elastic force of the pre-tightening spring 22 enables the special-shaped sealing gasket 21 to tightly clamp the thimble 4, and when the thimble 4 reciprocates left and right, the special-shaped sealing gasket 21 removes the pressure rubber on the thimble 4, so that the pressure rubber on the thimble 4 is prevented from being brought into other parts of the valve body 1 by the thimble 4 to influence the operation of the spray valve. Furthermore, the pre-tightening springs 22 are symmetrically arranged along the special-shaped sealing gasket 21, so that pre-tightening force applied to the special-shaped sealing gasket 21 by the pre-tightening springs 22 is more uniform, and the special-shaped sealing gasket 21 is more stable. An O-shaped ring 23 for sealing is arranged at the joint of the pressure air nozzle 14 and the valve body 1, so that air leakage and pressure relief are avoided; an O-shaped ring 23 for sealing is arranged between the pressure gas inlet 16 and the pressure glue inlet 15, so that the compressed gas and the pressure glue are prevented from being mixed; an O-shaped ring 23 for sealing is arranged between the sealing cavity 20 and the pressure glue inlet 15, so that the pressure glue is prevented from entering the sealing cavity 20.
According to the thimble-held spray valve, the spray valve is held by hands, the glue spraying switch is controlled through the button switch, and glue can be continuously sprayed; the glue spraying amount can be adjusted by adjusting the positioning bolt; atomizing the glue through a pressure air nozzle; the piston return spring and the damping spring also improve the working stability of the spray valve.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides an atomizer valve is handed to thimble which characterized in that: the spray nozzle comprises a pressure glue nozzle, and the valve body is connected with the pressure glue nozzle;
the tip of the thimble is arranged in the pressure glue spraying nozzle, a glue spraying opening is arranged between the tip and the pressure glue spraying nozzle, and the glue spraying opening is used for spraying glue; the other end of the thimble is screwed and fixed on the piston, the piston reciprocates left and right to drive the thimble to reciprocate left and right, so that the thimble opens or closes the glue spraying opening, and the switch for controlling glue spraying is used;
the positioning bolt is in threaded connection with the inside of the piston cylinder to limit the reciprocating stroke of the piston and is used for adjusting the glue spraying amount.
2. The needle-held aerosol valve of claim 1, wherein: and a piston return spring is also arranged in the piston cylinder and used for returning the piston.
3. A thimble-held aerosol valve as in claim 2, further comprising: the piston cylinder is provided with a piston cylinder upper cover for sealing the piston cylinder;
the positioning bolt is in threaded connection with the upper cover of the piston cylinder.
4. A thimble-held aerosol valve as in claim 3, further comprising: and the positioning bolt is provided with a damping spring for stabilizing the positioning bolt.
5. The needle-held aerosol valve of claim 4, wherein: and the valve body is provided with a button switch for controlling the action of the piston.
6. The needle-held aerosol valve of claim 5, wherein: the pressure glue injection valve is characterized in that a pressure glue cavity is arranged between the pressure glue injection nozzle and the ejector pin, the valve body is provided with a pressure glue inlet, the pressure glue inlet is communicated with the pressure glue cavity, and the pressure glue cavity is communicated with the glue injection port.
7. The needle-held aerosol valve of claim 6, wherein: the sprayer further comprises a pressure air nozzle, the pressure air nozzle is connected with the valve body, a pressure air cavity is arranged between the pressure air nozzle and the pressure glue nozzle, the valve body is provided with a pressure air inlet, and the pressure air inlet is communicated with the pressure air cavity.
8. The needle-held aerosol valve of claim 7, wherein: and an air jet corresponding to the glue spraying opening is arranged between the pressure air nozzle and the pressure glue nozzle, the air jet is communicated with the pressure air cavity, and the air jet is used for jetting air.
9. The aerosol valve as claimed in claim 8, wherein: the valve body is also internally provided with a sealing cavity, a special-shaped sealing gasket is arranged in the sealing cavity, and the special-shaped sealing gasket enables pressure rubber to be always in the pressure rubber cavity and is used for sealing the pressure rubber cavity.
10. The needle-held aerosol valve of claim 9, wherein: and a pre-tightening spring is arranged in the sealing cavity, and the pre-tightening spring enables the special-shaped sealing gasket to be clamped on the thimble and is used for clearing pressure glue on the thimble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093642.2U CN215429946U (en) | 2021-05-20 | 2021-05-20 | Spraying valve is handed to thimble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121093642.2U CN215429946U (en) | 2021-05-20 | 2021-05-20 | Spraying valve is handed to thimble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215429946U true CN215429946U (en) | 2022-01-07 |
Family
ID=79707807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121093642.2U Active CN215429946U (en) | 2021-05-20 | 2021-05-20 | Spraying valve is handed to thimble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215429946U (en) |
-
2021
- 2021-05-20 CN CN202121093642.2U patent/CN215429946U/en active Active
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