CN207533431U - A kind of extended jet nozzle for electrostatic gun - Google Patents
A kind of extended jet nozzle for electrostatic gun Download PDFInfo
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- CN207533431U CN207533431U CN201721150323.4U CN201721150323U CN207533431U CN 207533431 U CN207533431 U CN 207533431U CN 201721150323 U CN201721150323 U CN 201721150323U CN 207533431 U CN207533431 U CN 207533431U
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- electrode
- nozzle
- electrode needle
- jet
- punch block
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Abstract
A kind of extended jet nozzle for electrostatic gun, wherein, it is led including end, conducting ring, electrode punch block, first jet, electrode needle lengthens fixed frame, lengthen rod bush, electrode needle protects head and second nozzle, conducting ring is located at end and leads inside, electrode punch block is equipped with electrode needle, electrode punch block is plugged on conducting ring, and conducting ring is connected with the electrode needle on electrode punch block, first jet one end is connect with electrode punch block, the first jet other end is connect with lengthening one end of rod bush, electrode needle lengthens fixation and is erected at first jet and extension bar inside pipe casing, electrode needle lengthens fixed frame one end and is connect with electrode punch block, electrode needle protection head is located at electrode needle and lengthens on the end of the fixed frame other end, second nozzle is located on the other end for lengthening rod bush.The utility model small volume, very light, when manual operation, is light；It can realize that round nozzle is mutually used with flat nozzle；And it can cause powder by rear, go out that powder is soft, and workpiece film thickness is more uniform.
Description
Technical field
The utility model is related to electrostatic powder coating technical field, more particularly, to a kind of adding for electrostatic gun
Long nozzle.
Background technology
It is thicker that existing electrostatic spraying lengthens rod end surface, sectional view as shown in Figure 1, powder is directly sprayed from intermediate conduit,
Electrode needle is arranged in the tube wall of extension bar one side.The shortcomings that existing this scheme, is as follows：1st, powder directly sprays, and goes out powder not
It is soft, it is even to be easy to cause dusty spray wall unevenness；2nd, electrode needle is arranged in side, and powder static electrification is uneven, amount of powder
It charges inadequate, powder utilization is caused to decline；3rd, flat nozzle can only be used, it is impossible to realize the mutual of round nozzle and flat nozzle
Change use；4th, volume is excessive, excessively heavy, is not suitable for spraying some workpiece for containing long and narrow deep hole, and when manual operation is easily tired.
Utility model content
The utility model is at least one defect overcome described in the above-mentioned prior art, is provided a kind of for electrostatic gun
Extended jet nozzle.The utility model is simple in structure, easy to use, and small volume is very light, can be coated with the work of long and narrow deep hole
Part, when manual operation, are light；It can be required to replace end nozzle according to onsite application, realize that round nozzle and flat nozzle are mutual
With；And can cause powder by rear, go out that powder is soft, and workpiece film thickness is more uniform, it is also possible that powder electrification it is sufficient and
Uniformly, powder utilization is more preferable.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of lengthening for electrostatic gun
Nozzle, wherein, it is led including end, conducting ring, electrode punch block, first jet, electrode needle lengthen fixed frame, lengthen rod bush, electrode
Needle protects head and second nozzle, and the conducting ring is located at the end and leads on the internal inner wall by front end, on the electrode punch block
Equipped with first electrode needle, electrode punch block is plugged on the conducting ring, and the conducting ring and first on the electrode punch block
Electrode needle is connected, be additionally provided on the electrode punch block for electrostatic powder by through-hole, described first jet one end extend into institute
End is stated to lead inside and connect with the electrode punch block, the first jet other end be placed in the end lead outside and with the lengthening
One end connection of rod bush, the electrode needle lengthen fixation and are erected at the first jet and extension bar inside pipe casing center, institute
It states electrode needle lengthening fixed frame and is internally provided with second electrode needle, the electrode needle lengthens fixation and is placed on inside the first jet
One end connect with the electrode punch block, and the second electrode needle contacts conducting, the electrode needle with the first electrode needle
Protection head is located at the electrode needle and lengthens on the end of the fixed frame other end, and the second nozzle is located at the lengthening rod bush
On the other end, the lengthening rod bush bending certain angle, the angle can choose design according to operating mode needs.It needs to use
When the extended jet nozzle works, the rear end led will be held to be sleeved in the pipette tips of electrostatic gun first, the high voltage package on electrostatic gun passes
The defeated electrostatic high-pressure to come is transmitted to the first electrode needle on electrode punch block by conducting ring, and then first electrode needle is transmitted to the second electricity
Pole needle, the powder that electrostatic gun sprays pass sequentially through end and lead, electrode punch block, first jet, lengthen rod bush and second nozzle, powder
End is fully stirred in first jet and lengthening in rod bush, and charge it is sufficient and uniformly, finally from the second nozzle of end
It sprays.
In the utility model, second nozzle includes following two forms, the first form is that the second nozzle is flat
Nozzle, the inner wall of the other end for lengthening rod bush are equipped with internal thread, the outer wall of the flat nozzle rear end be equipped with
The external screw thread of the screw-internal thread fit, the front end of flat nozzle are open equipped with flat, the flat nozzle and the lengthening rod set
The other end of pipe is connected by screw thread rotation.After powder reaches flat nozzle, it is open and sprays from flat.
Form is in second, and the second nozzle is round nozzle, and the rear end of the round nozzle is set in the electrode
Needle is lengthened on the end of the fixed frame other end, and the outer wall that electrode needle lengthens fixed frame other end end is equipped with annular groove and limit
Position boss, the annular groove is interior to be equipped with sealing ring, and the round nozzle is with the sealing ring using the larger interference of interference volume
Cooperation, using this interference fit, round nozzle is not easily to fall off when in use, and positive stop lug boss can limit the assembling of round nozzle
Position；Annular gap, powder are equipped between the front end outer wall of the round nozzle and the inner wall for lengthening the rod bush other end
After reaching round nozzle, from round nozzle and the annular gap ejection between rod bush is lengthened.Flat nozzle can with round nozzle
To be selected according to actual needs.
Further, the electrode needle lengthens and is equipped with several bifurcation structures along its axis direction on the outer wall of fixed frame,
The two neighboring interlaced setting of bifurcation structure, that is to say, that the bifurcated each other of two neighboring bifurcation structure is not parallel.Thus
Powder be ensure that by first jet and after lengthening rod bush, abundant fragmentation, it is soft that when ejection goes out powder, workpiece uniform film thickness.
Further, the conducting ring is attached with the electrode punch block by the smaller interference fit of interference volume, and
The first position limiting structure is equipped between the conducting ring and the electrode punch block.First position limiting structure can limit the two and angle occurs
Deflection, so as to ensure that conducting ring is correctly docked with the first electrode needle end on electrode punch block, to be connected.The first jet
It leads with the electrode punch block, the end and is attached, and the first jet and institute by the smaller interference fit of interference volume
It states and the second position limiting structure is equipped between electrode punch block.Second position limiting structure can limit the two and angular deflection occurs.The end leads,
Electrode punch block and first jet are made of nonmetallic materials.Due to using nonmetallic materials, there is certain plasticity, interference volume ratio
Smaller interference fit not only can guarantee positioning, but also convenient for manual teardown.
Further, the electrode needle lengthens fixed frame and is connect with the electrode punch block by screw thread rotation.The lengthening
Rod bush is connect with the first jet by screw thread rotation.The electrode needle protection head lengthens fixed frame with the electrode needle and leads to
Cross screw thread rotation connection.
Compared with prior art, the utility model has the advantages that：
The utility model lengthens in electrode needle and several bifurcation structures is provided on fixed frame, and adjacent bifurcation structure interlocks
Setting so that powder goes out that powder is soft, and workpiece film thickness is more equal by first jet and while lengthening rod bush is obtaining abundant fragmentation
It is even.
First electrode needle and second electrode needle are separately positioned on first jet and extension bar inside pipe casing by the utility model
Centre so that powder is by rear, and electrification is sufficient and uniformly, and powder utilization is more preferable；And long rod bush does not need to very thick wall thickness, cuts
Face is smaller, small volume, very light, can be coated with the workpiece of long and narrow deep hole, and when manual operation is light.
Extended jet nozzle provided by the utility model can require to replace second nozzle according to onsite application, realize round nozzle
It is mutually used with flat nozzle.
Description of the drawings
Fig. 1 is the schematic cross-section that existing electrostatic spraying lengthens rod end surface.
Fig. 2 be the utility model second nozzle be flat nozzle when overall structure diagram.
Fig. 3 be the utility model second nozzle be round nozzle when longitudinal profile schematic diagram.
Fig. 4 is the overall structure diagram that the utility model electrode needle lengthens fixed frame.
Fig. 5 is the longitudinal profile schematic diagram of the utility model electrode punch block.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1
As shown in Fig. 2 to Fig. 5, a kind of extended jet nozzle for electrostatic gun, wherein, lead 1, conducting ring 2, electrode including end
Punch block 3, first jet 4, electrode needle lengthen fixed frame 5, lengthen rod bush 6, electrode needle protection head 7 and second nozzle 8, described to lead
Electric ring 2 is located at the end and leads 1 inside by the inner wall of front end, the electrode punch block 3 is equipped with first electrode needle 31, electrode needle
Frame 3 is plugged on the conducting ring 2, and the conducting ring 2 is connected with the first electrode needle 31 on the electrode punch block 3, described
Be additionally provided on electrode punch block 3 for electrostatic powder by through-hole 32, described 4 one end of first jet extend into the end and leads inside 1
And connect with the electrode punch block 3,4 other end of first jet is placed in the end and leads 1 outside and lengthen rod bush 6 with described
One end connection, the electrode needle lengthens fixed frame 5 and is located at the first jet 4 and lengthens 6 inside center of rod bush, the electricity
Pole needle lengthens fixed frame 5 and is internally provided with second electrode needle, and the electrode needle lengthens fixed frame 5 and is placed in inside the first jet 4
One end connect with the electrode punch block 3, and the second electrode needle contacts conducting with the first first electrode needle 31, it is described
Electrode needle protection head 7 is located at the electrode needle and lengthens on the end of 5 other end of fixed frame, and the second nozzle 8 is located at described add
On the other end of long rod bush 6, the lengthening rod bush 6 bends certain angle, which can choose according to operating mode needs
Design.When needing to work using the extended jet nozzle, the rear end for leading 1 will be held to be sleeved in the pipette tips of electrostatic gun first, electrostatic
The electrostatic high-pressure that high voltage package on rifle transmits is transmitted to the first electrode needle 31 on electrode punch block 3, electrostatic by conducting ring 2
The powder that rifle sprays passes sequentially through end and leads 1, electrode punch block 3, first jet 4, lengthens rod bush 6 and second nozzle 8, and powder is the
One nozzle 4 and lengthening fully is stirred in rod bush 6, and charges sufficient and uniformly, is finally sprayed from the second nozzle of end 8
Go out.
As shown in Fig. 2, the second nozzle 8 is flat nozzle, the inner wall of the other end for lengthening rod bush 6 is equipped with
Internal thread, the outer wall of the flat nozzle rear end are equipped with the external screw thread with the screw-internal thread fit, and the front end of flat nozzle is set
There is flat opening, the flat nozzle is connect with the other end for lengthening rod bush 6 by screw thread rotation.Powder reaches flat
After nozzle, it is open and sprays from flat.
As shown in figure 4, the electrode needle lengthens is equipped with several bifurcation structures on the outer wall of fixed frame 5 along its axis direction
53, two neighboring 53 interlaced setting of bifurcation structure, that is to say, that the bifurcated each other of two neighboring bifurcation structure 53 is uneven
Row.Powder is ensured that in this way by first jet 4 and after lengthening rod bush 6, and abundant fragmentation, it is soft that when ejection goes out powder, workpiece
Uniform film thickness.
In the present embodiment, the conducting ring 2 is connected with the electrode punch block 3 by the smaller interference fit of interference volume
It connects, and the first position limiting structure is equipped between the conducting ring 2 and the electrode punch block 3.First position limiting structure can limit the two
Angular deflection occurs, so as to ensure that conducting ring 2 is correctly docked with 31 end of first electrode needle on electrode punch block 3, to be connected.
The first jet 4 is led 1 with the electrode punch block 3, the end and is attached, and institute by the smaller interference fit of interference volume
It states and the second position limiting structure is equipped between first jet 4 and the electrode punch block 3.Second position limiting structure can limit the two and angle occurs
Degree deflection.1, electrode punch block 3 is led at the end and first jet 4 is made of nonmetallic materials.Due to using nonmetallic materials, have
Certain plasticity, the smaller interference fit of interference volume not only can guarantee positioning, but also convenient for manual teardown.
In the present embodiment, the electrode needle lengthens fixed frame 5 and is connect with the electrode punch block 3 by screw thread rotation.It is described
Rod bush 6 is lengthened to connect by screw thread rotation with the first jet 4.The electrode needle protection head 7 is lengthened with the electrode needle
Fixed frame 5 is connected by screw thread rotation.
Embodiment 2
The present embodiment is similar to Example 1, as shown in figure 3, it is round nozzle difference lies in, the second nozzle 8, institute
The rear end for stating round nozzle is set on the end of electrode needle lengthening 5 other end of fixed frame, and it is another that electrode needle lengthens fixed frame 5
The outer wall of one end end is equipped with annular groove 51 and positive stop lug boss 52, and sealing ring 9, the circle are equipped in the annular groove 51
Shape nozzle is with the sealing ring 9 using the larger interference fit of interference volume, and using this interference fit, round nozzle is when in use
Not easily to fall off, positive stop lug boss 52 can limit the rigging position of round nozzle；The front end outer wall of the round nozzle adds with described
Annular gap is equipped between the inner wall of long 6 other end of rod bush, after powder reaches round nozzle, from round nozzle with lengthening rod set
Annular gap between pipe 6 sprays.The other structures and operation principle of the present embodiment are same as Example 1.
Obviously, above-described embodiment of the utility model is used for the purpose of clearly demonstrating the utility model example,
And it is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, it is stated upper
It can also be made other variations or changes in different ways on the basis of bright.There is no need and unable to give all embodiments
With exhaustion.All any modification, equivalent and improvement made within the spirit and principles of the present invention etc. should all include
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of extended jet nozzle for electrostatic gun, which is characterized in that led including end（1）, conducting ring（2）, electrode punch block
（3）, first jet（4）, electrode needle lengthen fixed frame（5）, lengthen rod bush（6）, electrode needle protection head（7）And second nozzle
（8）, the conducting ring（2）The end is located to lead（1）Inside is leaned on the inner wall of front end, the electrode punch block（3）It is equipped with the
One electrode needle（31）, electrode punch block（3）It is plugged in the conducting ring（2）On, and the conducting ring（2）With the electrode punch block
（3）On first electrode needle（31）Conducting, the electrode punch block（3）On be additionally provided with for electrostatic powder by through-hole（32）, institute
State first jet（4）One end extend into the end and leads（1）It is internal and with the electrode punch block（3）Connection, the first jet（4）
The other end is placed in the end and leads（1）It is external and with the lengthening rod bush（6）One end connection, the electrode needle lengthens fixed frame
（5）It is located at the first jet（4）With lengthening rod bush（6）Inside center, the electrode needle lengthen fixed frame（5）It is internally provided with
Second electrode needle, the electrode needle lengthen fixed frame（5）It is placed in the first jet（4）Internal one end and the electrode punch block
（3）Connection, and the second electrode needle and the first electrode needle（31）Contact conducting, the electrode needle protect head（7）It is located at
The electrode needle lengthens fixed frame（5）On the end of the other end, the second nozzle（8）It is located at the lengthening rod bush（6）'s
On the other end, the lengthening rod bush（6）Bend certain angle.
A kind of 2. extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the second nozzle
（8）For flat nozzle, the lengthening rod bush（6）The other end inner wall be equipped with internal thread, the flat nozzle rear end
Outer wall is equipped with external screw thread with the screw-internal thread fit, and the front end of flat nozzle is equipped with flat and is open, the flat nozzle and
The lengthening rod bush（6）The other end connected by screw thread rotation.
A kind of 3. extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the second nozzle
（8）For round nozzle, the rear end of the round nozzle is set in the electrode needle and lengthens fixed frame（5）On the end of the other end,
Electrode needle lengthens fixed frame（5）The outer wall of other end end is equipped with annular groove（51）And positive stop lug boss（52）, the annular
Groove（51）It is interior to be equipped with sealing ring（9）, the round nozzle and the sealing ring（9）Using interference fit, the round nozzle
Front end outer wall and the lengthening rod bush（6）Annular gap is equipped between the inner wall of the other end.
4. a kind of extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the electrode needle lengthens
Fixed frame（5）Outer wall on along its axis direction be equipped with several bifurcation structures（53）, two neighboring bifurcation structure（53）Mutually
It is staggered.
A kind of 5. extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the conducting ring（2）
With the electrode punch block（3）It is attached, and the conducting ring by interference fit（2）With the electrode punch block（3）Between set
There is the first position limiting structure.
A kind of 6. extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the first jet
（4）With the electrode punch block（3）, the end leads（1）It is attached, and the first jet by interference fit（4）With institute
State electrode punch block（3）Between be equipped with the second position limiting structure.
7. a kind of extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the electrode needle lengthens
Fixed frame（5）With the electrode punch block（3）It is connected by screw thread rotation.
A kind of 8. extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the lengthening rod bush
（6）With the first jet（4）It is connected by screw thread rotation.
A kind of 9. extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that the electrode needle protection
Head（7）Fixed frame is lengthened with the electrode needle（5）It is connected by screw thread rotation.
10. a kind of extended jet nozzle for electrostatic gun according to claim 1, which is characterized in that lead at the end（1）、
Electrode punch block（3）And first jet（4）It is made of nonmetallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721150323.4U CN207533431U (en) | 2017-09-08 | 2017-09-08 | A kind of extended jet nozzle for electrostatic gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721150323.4U CN207533431U (en) | 2017-09-08 | 2017-09-08 | A kind of extended jet nozzle for electrostatic gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207533431U true CN207533431U (en) | 2018-06-26 |
Family
ID=62608826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721150323.4U Active CN207533431U (en) | 2017-09-08 | 2017-09-08 | A kind of extended jet nozzle for electrostatic gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207533431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038744A (en) * | 2019-05-22 | 2019-07-23 | 李战峰 | A kind of electrostatic spraying gun with illumination functions |
-
2017
- 2017-09-08 CN CN201721150323.4U patent/CN207533431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038744A (en) * | 2019-05-22 | 2019-07-23 | 李战峰 | A kind of electrostatic spraying gun with illumination functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An extended nozzle for electrostatic spray gun Effective date of registration: 20210322 Granted publication date: 20180626 Pledgee: Bank of China Co.,Ltd. Nansha Branch of Guangdong Free Trade Pilot Area Pledgor: GUANGZHOU ZEHENG INDUSTRIAL Co.,Ltd. Registration number: Y2021440000091 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220711 Granted publication date: 20180626 Pledgee: Bank of China Co.,Ltd. Nansha Branch of Guangdong Free Trade Pilot Area Pledgor: GUANGZHOU ZEHENG INDUSTRIAL CO.,LTD. Registration number: Y2021440000091 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An extended nozzle for electrostatic spray guns Effective date of registration: 20230331 Granted publication date: 20180626 Pledgee: Bank of China Co.,Ltd. Nansha Branch of Guangdong Free Trade Pilot Area Pledgor: GUANGZHOU ZEHENG INDUSTRIAL CO.,LTD. Registration number: Y2023980037090 |