CN206325734U - A kind of electric spray gun - Google Patents
A kind of electric spray gun Download PDFInfo
- Publication number
- CN206325734U CN206325734U CN201621346812.2U CN201621346812U CN206325734U CN 206325734 U CN206325734 U CN 206325734U CN 201621346812 U CN201621346812 U CN 201621346812U CN 206325734 U CN206325734 U CN 206325734U
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- China
- Prior art keywords
- mounting hole
- needle
- sealing
- spray gun
- electric spray
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Abstract
The utility model discloses a kind of electric spray gun, solve causes the technical problem of atomizing effect difference because needle easily occurs shake in the prior art, electric spray gun of the present utility model, including gun body and the mounting hole being arranged in gun body, needle is slidably fitted with the mounting hole, the needle includes needle body and the sealing on needle body, the sealing is close to the mounting hole inwall to carry out radial positioning to the needle body, the mounting hole inwall is limited atomization chamber by the sealing, the needle also includes being located at the needle body location structure that radial positioning is partly carried out in the atomization chamber.
Description
【Technical field】
The utility model is related to lance technology field, more particularly to a kind of electric spray gun.
【Background technology】
The spray on the surfaces such as wood product surface spraying and handicraft such as wall, base plate spraying or furniture in house decoration
Painting will use spray gun often.Spray gun of the prior art include gun body and and the mounting hole that is arranged in gun body, it is sliding in mounting hole
Dynamic to be provided with needle, needle includes needle body and the O-ring seals being arranged on needle body, and O-ring seals are close to install
Hole inwall by mounting hole to be divided into installation cavity and atomization chamber, in coating atomization process, and needle is located at the part in atomization chamber
Can be shaken because being impacted by coating, therefore the axiality of needle and mounting hole can be reduced, cause O-ring seals friction by
Damage, the gap that coating can be between O-ring seals and mounting hole inwall is flowed into the gun body of needle rear end, pollute gun body, simultaneously
The pressure in atomization chamber is also reduced, causes atomizing effect to be deteriorated.
【Utility model content】
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art and provide a kind of electric spray gun,
Needle can effectively radially be positioned, it is ensured that the axiality of needle and mounting hole, improve atomizing effect.
In order to solve the above technical problems, the utility model is adopted the following technical scheme that：
Valve is slidably fitted with a kind of electric spray gun, including gun body and the mounting hole being arranged in gun body, the mounting hole
Pin, the needle includes needle body and the sealing on needle body, and the sealing is close in the mounting hole
Wall to the needle body to carry out radial positioning, and the mounting hole inwall is limited atomization chamber, the valve by the sealing
Pin also includes being located at the needle body location structure that radial positioning is partly carried out in the atomization chamber.
Further, the location structure coordinates with the mounting hole inwall gap, and the location structure is installed with described
Gap between the inwall of hole is H1, meets 0.1mm≤H1≤0.2mm.
Further, the location structure is disposed in an evenly spaced relation in the needle outer body wall including several circumferences
On leg, there is the gap H1 between the leg and the mounting hole inwall.
Further, the location structure includes the annular slab being co-axially located on the needle body, the annular
There is the gap H1 between plate lateral wall and the mounting hole inwall, the annular slab is provided with several axially extending bores.
Further, the needle also includes the positioning ring seat that radial positioning is carried out to the needle body rear end, described
The gap positioned between ring seat and the mounting hole inwall is H2, meets 0.4mm≤H2≤0.5mm.
Further, the positioning ring seat is provided with radial direction through hole, and the electric spray gun also includes alignment pin and trigger, institute
Gun body is stated provided with pilot hole, the alignment pin runs through after the radial direction through hole, the two ends of alignment pin are pacified through the pilot hole
On the trigger.
Further, the sealing includes assembling in the mounting groove being arranged on the needle body, the mounting groove
There is at least one sealing ring being connected with the mounting hole inner wall sealing.
Further, the sealing ring is star sealing ring.
The beneficial effects of the utility model：
Electric spray gun in the utility model includes being slidably installed in gun body and the mounting hole being arranged in gun body, mounting hole
There is needle, needle includes needle body and the sealing on needle body, and sealing is close to mounting hole inwall with to valve
Pin body carries out radial positioning, and mounting hole is divided into atomization chamber and installation cavity by sealing, and electric spray gun also includes to needle sheet
Body is located at the location structure that part in atomization chamber carries out radial positioning.Compared with prior art, sealing pair in the utility model
Needle body carries out a radial positioning, and location structure is located in atomization chamber to needle body partly carries out secondary positioning, with this
The axiality of needle body and mounting hole is further ensured that, prevents that coating impact needle body is located at the part in atomization chamber and led
Cause needle body to shake, it is impaired so as to avoid sealing and mounting hole inwall from occurring friction, improve sealing and
Sealing property between mounting hole inwall, and then atomization cavity pressure size is ensure that, improve atomizing effect.
Location structure coordinates with mounting hole inwall gap, and the gap between location structure and mounting hole inwall is H1, is met
0.1mm≤H1≤0.2mm.It is so designed that, radial positioning effect of the location structure to needle body can be improved, while can also reduce
The machining accuracy of location structure and mounting hole.
Location structure includes the leg that several circumferences are disposed in an evenly spaced relation on needle outer body wall, and leg is with installing
There is gap H1 between the inwall of hole.It is so designed that, can reduces and the damping force produced is flowed to coating, improves the mobility of coating.
Needle also includes the positioning ring seat that radial positioning is carried out to needle body rear end, positioning ring seat and mounting hole inwall it
Between gap be H2, meet 0.4mm≤H2≤0.5mm.It is so designed that, positioning ring seat can carry out three footpaths to needle body rear end
To positioning, the axiality of needle and mounting hole is further ensured that.
Sealing ring is star sealing ring.It is so designed that, it is possible to increase the sealing contact surface between sealing ring and installation hole wall, enters
One step improves the sealing property between sealing and mounting hole inwall.
These features and advantage of the present utility model will be detailed in following embodiment, accompanying drawing exposure.
【Brief description of the drawings】
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the exploded perspective view of part-structure on electric spray gun in the utility model preferred embodiment；
Fig. 2 is the structural representation of needle in the utility model preferred embodiment；
Fig. 3 is the sectional view of part-structure on electric spray gun in the utility model preferred embodiment；
The partial enlarged drawing that Fig. 4 is A in Fig. 3.
【Embodiment】
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and
Illustrate, but following embodiments only preferred embodiment of the present utility model, and not all.Based on the implementation in embodiment
Example, those skilled in the art obtain other embodiments on the premise of creative work is not made, and belong to this practicality new
The protection domain of type.
In description of the present utility model, there is indicating position or the positions such as term "front", "rear", " interior ", " outer "
It is that, based on orientation shown in the drawings or position relationship, description the utility model merely for convenience is described with simplified to put relation, and
It is not instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.
As shown in Figures 1 to 3, the electric spray gun in the utility model preferred embodiment include gun body 1, needle 2, nozzle 3, point
Device 4, shower nozzle 5 and locking nut 6 are flowed, gun body 1 is provided with mounting hole, and needle 2 is slidably mounted in mounting hole, and nozzle 3 is arranged on
The front end of gun body 1 is simultaneously inserted into mounting hole, and O-ring seals are provided between nozzle 3 and mounting hole inwall, and current divider 4 is sleeved on
On nozzle 3, shower nozzle 5 is arranged on the front end of current divider 4, and locking nut 6 locks current divider 4 and shower nozzle 5 in gun body 1.
Needle 2 in the utility model preferred embodiment includes needle body 20 and the sealing being arranged on needle body 20
Portion 21, sealing 21 includes being equipped with least one sealing in the mounting groove 210 being arranged on needle body 20, mounting groove 210
Circle 211, such as 1,2,3, the quantity of the sealing ring 211 in this preferred embodiment is two.Sealing ring 211 is close to peace
The inwall in hole is filled to realize being tightly connected between sealing 21 and mounting hole inwall, mounting hole is divided into left and right by sealing 21
Two cavitys, left chamber body is limited by mounting hole inwall, sealing 21 and nozzle 3 and formed and as atomization chamber 10, close in order to improve
The preferred star sealing ring of sealing ring 211 in sealing effectiveness between envelope portion 21 and mounting hole inwall, the present embodiment, it is close with O shapes
Seal is compared, and star sealing ring can improve the area in sealing contact between sealing 21 and mounting hole inwall, and then improve sealing
Sealing property between portion 21 and mounting hole inwall.
In addition, needle 2 also includes the positioning knot for the part progress radial positioning being located to needle body 20 in atomization chamber 10
Structure 22, location structure 22 includes the leg 221 that several circumferences are disposed in an evenly spaced relation on the lateral wall of needle body 20, such as 2
It is individual, 3,4 etc., coating flows to the direction of nozzle 3 in the gap between two neighboring leg 221, so designs, and it is fixed to reduce
Bit architecture 22 flows the damping force produced to coating, improves the mobility of coating.In order to ensure the radial positioning of location structure 22
The quantity of leg 221 in effect and the circulation for improving coating, this preferred embodiment is 4, the outer end of leg 221 and installation
There is gap H1 between the inwall of hole, meet 0.1mm≤H1≤0.2mm, when gap H1 is less than 0.1mm, to mounting hole and leg
221 machining accuracy is higher, and when gap H1 is more than 0.2mm, leg 221 is located at the part in atomization chamber 10 to needle body 20
Radial positioning effect is poor, it is impossible to ensure the axiality between needle body 20 and mounting hole, therefore in order to improve location structure
The radial positioning effect of 22 pairs of needle bodies 20, and also to reduce the machining accuracy of location structure 22 and mounting hole, this reality
Can be 0.1mm, 0.12mm, 0.15mm, 0.18mm, 0.2mm etc. with the gap H1 in new.Compared with prior art, this practicality
New middle sealing 21 carries out a radial positioning to needle body 20, and location structure 22 is located at atomization chamber 10 to needle body 20
Interior part carries out secondary positioning, and the axiality of needle body 20 and mounting hole is further ensured that with this, coating dash valve is prevented
Pin body 20 is located at the part in atomization chamber 10 and causes needle body 20 to be shaken, so as to avoid sealing 21 and peace
Fill the generation friction of hole inwall impaired, improve the sealing property between sealing 21 and mounting hole inwall, and then ensure that atomization
Pressure size in chamber 10, improves atomizing effect.
Certainly, in other embodiment of the present utility model, those skilled in the art location structure can be also designed as with
, there is gap H1 between annular slab lateral wall and mounting hole inwall, meet 0.1mm≤H1 in the annular slab that needle body is coaxially disposed
≤ 0.2mm, annular slab is provided with several axially extending bores, and coating flows to nozzle direction from through hole, and it can also reach that this is preferred real
The basic effect of example is applied, be will not be described in detail herein.
In order to further ensure that the needle 2 in the axiality between needle 2 and mounting hole, this preferred embodiment also include pair
Needle body rear end carries out the positioning ring seat 23 of radial positioning, and the gap between positioning ring seat 23 and mounting hole inwall is H2, full
Sufficient 0.4mm≤H2≤0.5mm, when gap H2 is less than 0.4mm, the machining accuracy to mounting hole and positioning ring seat 23 is higher, when
When gap H2 is more than 0.5mm, positioning ring seat 23 is poor to the radial positioning effect of needle body rear end, it is impossible to ensure needle body
Axiality between 20 and mounting hole, therefore in order to improve radial positioning effect of the positioning ring seat 23 to needle body rear end, together
When also for reduction positioning ring seat 23 and the machining accuracy of mounting hole, gap H2 in the utility model can for 0.4mm,
0.42mm, 0.45mm, 0.48mm, 0.5mm etc..
Positioning ring seat 23 in this preferred embodiment is provided with radial direction through hole 231, and electric spray gun also includes alignment pin 7 and trigger
8, trigger 8 is rotatably connected in gun body 1, and gun body 1 is provided with pilot hole 11, and alignment pin 7 is set through radial direction through hole 231, is positioned
The two ends of pin passed through and be arranged on after pilot hole 11 on trigger 8.User drives alignment pin 7 in pilot hole 11 by pulling trigger 8
Slide, drive needle 2 to be slided in mounting hole with this, back-moving spring 9 is additionally provided between the rear end of needle 2 and mounting hole, reset
Spring 9 resets for valve needle 2.
The above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited to accompanying drawing and above specific embodiment party
Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims
Scope in.
Claims (8)
1. needle is slidably fitted with a kind of electric spray gun, including gun body and the mounting hole being arranged in gun body, the mounting hole,
The needle include needle body and the sealing on needle body, the sealing be close to the mounting hole inwall with
Radial positioning is carried out to the needle body, the sealing limits atomization chamber with the mounting hole inwall, it is characterised in that
The needle also includes being located at the needle body location structure that radial positioning is partly carried out in the atomization chamber.
2. electric spray gun according to claim 1, it is characterised in that the location structure and the mounting hole inwall gap
Coordinate, the gap between the location structure and the mounting hole inwall is H1, meets 0.1mm≤H1≤0.2mm.
3. electric spray gun according to claim 2, it is characterised in that between the location structure includes several circumferences uniformly
There is the gap between the leg being arranged on the needle outer body wall, the leg and the mounting hole inwall
H1。
4. electric spray gun according to claim 2, it is characterised in that the location structure includes being co-axially located at the valve
, there is the gap H1, the annular between the annular slab lateral wall and the mounting hole inwall in the annular slab on pin body
Plate is provided with several axially extending bores.
5. electric spray gun according to claim 1, it is characterised in that the needle also includes to the needle body rear end
Carry out the positioning ring seat of radial positioning, gap between the positioning ring seat and the mounting hole inwall is H2, meet 0.4mm≤
H2≤0.5mm。
6. electric spray gun according to claim 5, it is characterised in that the positioning ring seat is provided with radial direction through hole, the electricity
Dynamic spray gun also includes alignment pin and trigger, and the gun body is provided with pilot hole, and the alignment pin runs through after the radial direction through hole, fixed
The two ends of position pin are arranged on the trigger through the pilot hole.
7. the electric spray gun according to one of claim 1 to 6, it is characterised in that the sealing is described including being arranged on
At least one sealing being connected with the mounting hole inner wall sealing is equipped with mounting groove on needle body, the mounting groove
Circle.
8. electric spray gun according to claim 7, it is characterised in that the sealing ring is star sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621346812.2U CN206325734U (en) | 2016-12-09 | 2016-12-09 | A kind of electric spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621346812.2U CN206325734U (en) | 2016-12-09 | 2016-12-09 | A kind of electric spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206325734U true CN206325734U (en) | 2017-07-14 |
Family
ID=59289738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621346812.2U Active CN206325734U (en) | 2016-12-09 | 2016-12-09 | A kind of electric spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206325734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187938A (en) * | 2018-03-02 | 2018-06-22 | 苏州赛德福科学仪器有限公司 | A kind of nozzle of evaporative light scattering detector |
-
2016
- 2016-12-09 CN CN201621346812.2U patent/CN206325734U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187938A (en) * | 2018-03-02 | 2018-06-22 | 苏州赛德福科学仪器有限公司 | A kind of nozzle of evaporative light scattering detector |
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