CN208878864U - A kind of pneumatic injection valve - Google Patents
A kind of pneumatic injection valve Download PDFInfo
- Publication number
- CN208878864U CN208878864U CN201821422774.3U CN201821422774U CN208878864U CN 208878864 U CN208878864 U CN 208878864U CN 201821422774 U CN201821422774 U CN 201821422774U CN 208878864 U CN208878864 U CN 208878864U
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- China
- Prior art keywords
- cavity
- valve body
- block
- screw rod
- interconnecting piece
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Abstract
The utility model discloses a kind of pneumatic injection valves, including valve body, the valve body left side central portion is provided with interconnecting piece, is provided with jettron on the left of the interconnecting piece, is provided with venthole in the interconnecting piece, the valve body internal upper part is provided with cavity one, slide plate is set in the cavity one, is slidably connected on the left of the slide plate with one left side wall of cavity, is provided with slide on the right side of the slide plate, screw rod is provided in the slide, the screw rod lower end is rotatablely connected valve body by bearing one.Pass through adjusting knob one in the utility model, rotate screw rod, to which slide moves up and down on screw rod, and slide plate is driven to move up and down in cavity one, thus the distance between regulating piston and slide plate, to make piston when rising, the deformation degree of spring one is different, and the active force for moving down it is different, so that the speed of mandril is different, and then the jet velocity of material can be made different, realize the adjusting of material jet velocity.
Description
Technical field
The utility model relates to a kind of control valve, specifically a kind of pneumatic injection valve.
Background technique
With the development of electronics industry, spray dispensing, point paint using more and more.Current injection valve on the market is according to drive
Flowing mode classification, can be divided into pneumatic injection valve and two kinds of piezo jet valve.Pneumatic injection valve is to control gas by high-speed electromagnetic valve
Stream high-speed punching is put, and pushes striker to hit nozzle up and down, fluid high-speed at nozzle is sprayed.Piezo jet valve is to pass through piezoelectric ceramics
It is flexible, drive striker high speed to hit nozzle up and down, form injection.
There is also some problems when in use for existing pneumatic injection valve, for example, cannot the amount of injection and spray to material
Firing rate degree is adjusted.Therefore, those skilled in the art provide a kind of pneumatic injection valve, to solve to mention in above-mentioned background technique
Out the problem of.
Summary of the invention
The purpose of this utility model is to provide a kind of pneumatic injection valves, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of pneumatic injection valve, including valve body, the valve body left side central portion are provided with interconnecting piece, set on the left of the interconnecting piece
It is equipped with jettron, is provided with venthole in the interconnecting piece, the valve body internal upper part is provided with cavity one, in the cavity one
Slide plate is set, is slidably connected on the left of the slide plate with one left side wall of cavity, the slide plate right side is provided with slide, in the slide
It is provided with screw rod, the screw rod lower end is rotatablely connected valve body by bearing one, and body top and setting are run through in the screw rod upper end
There is knob one, the body top inside is provided with sealing ring one with screw rod junction；
It is provided with cavity two on the downside of cavity one in the valve body, piston, the cavity two are provided in the cavity two
Upper end is connected to cavity one, and slide plate lower end connects piston by spring one, passes through connecting hole and ventilation on the left of the cavity two
Hole connection, the piston are provided with compression bar, and the valve inner is provided with cavity three, the cavity three on the downside of cavity two
Interior middle part is provided with fixed block, and three internal upper part of cavity is provided with sliding block, and the sliding block upper surface is contacted with compression bar bottom end, institute
It states sliding block lower end and is provided with mandril, the mandril lower end is through fixed block and mandril is slidably connected with fixed block, on the mandril
Spring two is provided between fixed block and sliding block, the arch bar lower end is provided with jacking block, and the valve body lower end is provided with spray
Mouth is provided with spray orifice in the nozzle.
As a further solution of the present invention: middle part is provided with control block in the venthole, the control block is set
It is set to circular block, and control block is internally provided with through-hole, the control block lower end is provided with switch block, in the switch block and interconnecting piece
Side wall rotation connection.
The control block upper end is provided with shaft as a further solution of the present invention, and the shaft upper end is passed through
It wears interconnecting piece top and is provided with knob two, the shaft and interconnecting piece junction are provided with sealing ring two.
The valve body left upper portion is provided with fixed plate as a further solution of the present invention, and the shaft is passed through
It fastens fixed board and fixed plate junction is provided with bearing two, the shaft is rotatablely connected by bearing two and fixed plate.
The valve body upper front end and one corresponding position of cavity are provided with as a further solution of the present invention,
Bright window, the transparency window left side are provided with scale.
The valve body lower right side is provided with feed pipe, the feed pipe as a further solution of the present invention,
One end be provided with connector, and the other end of feed pipe and cavity tee joint.
The jettron includes solenoid valve and plug, the solenoid valve as a further solution of the present invention,
Left side is provided with plug.
Compared with prior art, the utility model has the beneficial effects that
1, rotate screw rod, so that slide moves up and down on screw rod, and band by adjusting knob one in the utility model
Dynamic slide plate moves up and down in cavity one, thus the distance between regulating piston and slide plate, thus make piston when rising,
The deformation degree of spring one is different, and the active force for moving down it is different, so that the speed of mandril is different, and then can make the spray of material
Firing rate degree is different, realizes the adjusting of material jet velocity.
2, shaft is rotated by adjusting knob two in the utility model, so that control block be made to rotate, made in control block
Conducting area between through-hole and venthole reduces, to make the air inflow of pressure-air reduce, and then the speed that piston rises
Slow down, the material in feed pipe is made to have long period whereabouts, to form more amount, realizes the different adjusting of the amount of injection.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pneumatic injection valve.
Fig. 2 is a kind of main view of pneumatic injection valve.
In figure: 1- valve body, 2- interconnecting piece, 3- jettron, 4- solenoid valve, 5- plug, 6- cavity one, 7- slide plate, 8- are sliding
Seat, 9- screw rod, 10- bearing one, 11- knob one, 12- sealing ring one, 13- cavity two, 14- spring one, 15- piston, 16- pressure
Bar, 17- cavity three, 18- sliding block, 19- fixed block, 20- mandril, 21- spring two, 22- jacking block, 23- nozzle, 24- spray orifice, 25-
Feed pipe, 26- connector, 27- venthole, 28- connecting hole, 29- control block, 30- switch block, 31- through-hole, 32- shaft, 33- sealing
Enclose two, 34- knob two, 35- fixed plate, 36- bearing two, 37- transparency window, 38- scale.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of pneumatic injection valve, including valve body 1, the valve body 1 are left
Middle side part is provided with interconnecting piece 2, and jettron 3 is provided on the left of the interconnecting piece 2, is provided with venthole in the interconnecting piece 2
27,1 internal upper part of valve body is provided with cavity 1, and slide plate 7,7 left side of slide plate and cavity 1 are arranged in the cavity 1
Left side wall is slidably connected, and slide 8 is provided on the right side of the slide plate 7, and screw rod 9,9 lower end of screw rod are provided in the slide 8
It is rotatablely connected valve body 1 by bearing 1,9 upper end of screw rod is through 1 top of valve body and is provided with knob 1, the valve body
1 inside top and 9 junction of screw rod are provided with sealing ring 1；
One 6 downside of cavity is provided with cavity 2 13 in the valve body 1, piston 15, institute are provided in the cavity 2 13
It states 2 13 upper end of cavity to be connected to cavity 1, and 7 lower end of slide plate connects piston 15 by spring 1, the cavity 2 13 is left
Side is connected to by connecting hole 28 with venthole 27, and 15 lower end of piston is provided with compression bar 16, in cavity two inside the valve body 1
13 downsides are provided with cavity 3 17, and middle part is provided with fixed block 19,3 17 internal upper part of the cavity setting in the cavity 3 17
There is sliding block 18,18 upper surface of sliding block is contacted with 16 bottom end of compression bar, and 18 lower end of sliding block is provided with mandril 20, the mandril
20 lower ends are through fixed block 19 and mandril 20 is slidably connected with fixed block 19, on the mandril 20 fixed block 19 and sliding block 18 it
Between be provided with spring 2 21,20 lower end of arch bar is provided with jacking block 22, and 1 lower end of valve body is provided with nozzle 23, described
Spray orifice 24 is provided in nozzle 23.
Middle part is provided with control block 29 in the venthole 27, and the control block 29 is provided in round block, and control block 29
It is internally provided with through-hole 31,29 lower end of control block is provided with switch block 30, and the switch block 30 connects with the rotation of 2 inner sidewall of interconnecting piece
It connects.
29 upper end of control block is provided with shaft 32, and 32 upper end of shaft is through 2 top of interconnecting piece and is provided with rotation
Button 2 34, the shaft 32 are provided with sealing ring 2 33 with 2 junction of interconnecting piece.
1 left upper portion of valve body is provided with fixed plate 35, and the shaft 32 is connect through fixed plate 35 and with fixed plate
Place is provided with bearing 2 36, and the shaft 32 is rotatablely connected by bearing 2 36 and fixed plate 35.
1 upper front end of valve body and one 6 corresponding position of cavity are provided with transparency window 37, are arranged on the left of the transparency window 37
There is scale 38.
1 lower right side of valve body is provided with feed pipe 25, and one end of the feed pipe 25 is provided with connector 26, and feeds
The other end of pipe 25 is connected to cavity 3 17.
The jettron 3 includes solenoid valve 4 and plug 5, is provided with plug 5 on the left of the solenoid valve 4.
The working principle of the utility model is:
When the utility model at work, when jettron 3 is closed, without pressure-air below piston 15, piston 15 exists
Under the action of spring 1, pressing force is kept to sliding block 18, while sliding block 18 also has pressuring action to mandril 20, makes in nozzle 23
Spray orifice 24 be in closed state；After jettron 3 is opened, pressure-air enters cavity by venthole 27 and connecting hole 28
In 2 13, jack up piston 15, meanwhile, compression bar 16 rises, and sliding block 18 also rises with it under the action of spring 2 21, thus
The rising of mandril 20 enters material in nozzle 23 by feed pipe 25；
When jettron 3 is again switched off, 15 lower air of piston is discharged rapidly, and piston 15 is under the action of spring 1
Sharp downward movement, and compression bar 16 is driven to move down rapidly, it is contacted with sliding block 18, and 20 high speed of mandril is driven to move downward, nozzle
Material in 23 forms jet stream, sprays rapidly, to complete the injection action of material because of the high-speed extrusion by mandril 20；
By adjusting knob 1, screw rod 9 is rotated, so that slide 8 moves up and down on screw rod 9, and slide plate 7 is driven to exist
It is moved up and down in cavity 1, thus the distance between regulating piston 15 and slide plate 7, thus make piston 15 when rising, bullet
The deformation degree of spring 1 is different, and the active force for moving down it is different, so that the speed of mandril 20 is different, and then can make material
Jet velocity is different, realizes the adjusting of material jet velocity；
Shaft 32 is rotated by adjusting knob 2 34, so that control block 29 be made to rotate, makes the through-hole 31 in control block 29
Conducting area between venthole 27 reduces, to make the air inflow of pressure-air reduce, and then the speed that piston 15 rises
Slow down, the material in feed pipe 25 is made to have long period whereabouts, to form more amount, realizes the different adjusting of the amount of injection.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of pneumatic injection valve, including valve body, which is characterized in that the valve body left side central portion is provided with interconnecting piece, the company
It is provided with jettron on the left of socket part, venthole is provided in the interconnecting piece, the valve body internal upper part is provided with cavity one, institute
It states and slide plate is set in cavity one, be slidably connected on the left of the slide plate with one left side wall of cavity, be provided with slide on the right side of the slide plate,
Screw rod is provided in the slide, the screw rod lower end is rotatablely connected valve body by bearing one, and valve body is run through in the screw rod upper end
Top and it is provided with knob one, screw rod junction is provided with sealing ring one on the inside of the body top；
It is provided with cavity two on the downside of cavity one in the valve body, piston, two upper end of cavity are provided in the cavity two
It is connected to cavity one, and slide plate lower end connects piston by spring one, is connected on the left of the cavity two by connecting hole and venthole
Logical, the piston is provided with compression bar, and the valve inner is provided with cavity three on the downside of cavity two, in the cavity three in
Portion is provided with fixed block, and three internal upper part of cavity is provided with sliding block, and the sliding block upper surface is contacted with compression bar bottom end, the cunning
Block lower end is provided with mandril, and the mandril lower end is through fixed block and mandril is slidably connected with fixed block, solid on the mandril
Determine to be provided with spring two between block and sliding block, the valve body lower end is provided with nozzle, is provided with spray orifice in the nozzle.
2. a kind of pneumatic injection valve according to claim 1, which is characterized in that middle part is provided with control in the venthole
Block, the control block is provided in round block, and control block is internally provided with through-hole, and the control block lower end is provided with switch block, institute
It states switch block and interconnecting piece inner sidewall is rotatablely connected.
3. a kind of pneumatic injection valve according to claim 2, which is characterized in that the control block upper end is provided with shaft,
The shaft upper end is through interconnecting piece top and is provided with knob two, and the shaft and interconnecting piece junction are provided with sealing ring
Two.
4. a kind of pneumatic injection valve according to claim 3, which is characterized in that the valve body left upper portion is provided with fixation
Plate, the shaft are provided with bearing two through fixed plate and with fixed plate junction, and the shaft passes through bearing two and fixed plate
Rotation connection.
5. a kind of pneumatic injection valve according to claim 1, which is characterized in that the valve body upper front end and cavity are a pair of
It answers position to be provided with transparency window, is provided with scale on the left of the transparency window.
6. a kind of pneumatic injection valve according to claim 1, which is characterized in that the valve body lower right side is provided with charging
Pipe, one end of the feed pipe are provided with connector, and the other end of feed pipe and cavity tee joint.
7. a kind of pneumatic injection valve according to claim 1, which is characterized in that the jettron includes solenoid valve and blocks up
Head, the solenoid valve left side are provided with plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422774.3U CN208878864U (en) | 2018-08-31 | 2018-08-31 | A kind of pneumatic injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422774.3U CN208878864U (en) | 2018-08-31 | 2018-08-31 | A kind of pneumatic injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208878864U true CN208878864U (en) | 2019-05-21 |
Family
ID=66510697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821422774.3U Expired - Fee Related CN208878864U (en) | 2018-08-31 | 2018-08-31 | A kind of pneumatic injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208878864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114480076A (en) * | 2022-01-21 | 2022-05-13 | 陈秀英 | Fermentation device with constant temperature function for biotechnology |
-
2018
- 2018-08-31 CN CN201821422774.3U patent/CN208878864U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114480076A (en) * | 2022-01-21 | 2022-05-13 | 陈秀英 | Fermentation device with constant temperature function for biotechnology |
| CN114480076B (en) * | 2022-01-21 | 2023-09-12 | 上海夕曙生物工程有限公司 | Fermentation device with constant temperature function for biotechnology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190521 Termination date: 20200831 |