CN107803287A - spray gun with valve sealing structure - Google Patents
spray gun with valve sealing structure Download PDFInfo
- Publication number
- CN107803287A CN107803287A CN201711292269.1A CN201711292269A CN107803287A CN 107803287 A CN107803287 A CN 107803287A CN 201711292269 A CN201711292269 A CN 201711292269A CN 107803287 A CN107803287 A CN 107803287A
- Authority
- CN
- China
- Prior art keywords
- valve
- material pin
- mandril
- seal ring
- valve sleeve
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 239000007921 spray Substances 0.000 title claims abstract description 20
- 239000007769 metal material Substances 0.000 claims abstract description 6
- 239000004519 grease Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 59
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims 2
- 239000003973 paint Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a kind of spray gun with valve sealing structure, including gun body, valve mandril is provided with gun body, valve sleeve is provided between the front end of valve mandril and gun body inwall；The inwall of the valve sleeve offers the interior sealing ring recess that front and rear twice are used to house inner seal ring；It is arranged at the space that storage grease is formed between the twice inner seal ring of interior sealing ring recess；The outer wall of the valve sleeve offers the external seal ring recess for housing exterior seal ring；The outer wall of the valve sleeve is further opened with the circlip groove for housing back-up ring.The present invention uses the valve sleeve of metal material, and valve sleeve processing dimension is stable, and variation of ambient temperature is small to the performance impact of valve sleeve.
Description
Technical field
The present invention relates to a kind of spray gun, and in particular to a kind of spray gun with valve sealing structure.
Background technology
The sealing of the valve of spray gun is sealed by rear and front end, and interlude is slided by trigger and spring controlled valve door push rod
Carry out the switch of control valve.
Existing spray gun, the sealing of its valve nose be by be sheathed on the valve sleeve of the nonmetallic materials of valve mandril come
Realize.Specifically, it is by the interference fit between valve sleeve outer wall and gun body inwall, and valve sleeve inwall and valve
Interference fit between push rod.Following a few point defects be present in this sealing means：
1st, valve sleeve fully relies on two salient point cards jail, easy to fall off during use；
2nd, the valve sleeve of nonmetallic materials causes size to have difference in forming process because of technological problemses in injection molding process
It is different；
3rd, temperature sensitive property is high after moulding for the valve sleeve of nonmetallic materials, expands with heat and contract with cold and causes size unstable；
4th, the internal diameter size of valve sleeve, which becomes conference, causes valve sleeve gas leakage（Leak into outside gun body）, and size diminishes, and makes to coordinate
The amount of being full of crosses increase, so as to cause frictional force to increase, not only influences trigger feel, valve is led directly in serious meeting；
5th, valve sleeve is sealed for single track, and paint foul is easily brought into valve sleeve by valve mandril in use, increases valve
The frictional force of push rod and valve sleeve, influences sealing.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of spray gun with valve sealing structure, it may ensure that valve
The processing dimension of door pocket is stable.
In order to solve the above technical problems, the technical solution of spray gun of the present invention with valve sealing structure is：
Including gun body 1, valve mandril 7 is provided with gun body 1, valve is provided between the front end of valve mandril 7 and gun body inwall
Set 4；The inwall of the valve sleeve 4 offers the interior sealing ring recess that front and rear twice are used to house inner seal ring 5；It is arranged at interior sealing
The space of storage grease is formed between the twice inner seal ring 5 of ring recess；Front and rear twice inner seal ring 5 can realize valve sleeve 4 with
Connection between valve mandril 7；The outer wall of the valve sleeve 4 offers the external seal ring recess for housing exterior seal ring 3；It is outer close
Seal 3 can make to seal between valve sleeve 4 and gun body inwall；The outer wall of the valve sleeve 4 is further opened with for housing back-up ring 2
Circlip groove.
Further, it is provided with valve sealing ring 6 between the middle part of the valve mandril 7 and gun body inwall.
Further, the rear end of the valve mandril 7 connects gun body by material pin adjustment seat 10；Formed on valve mandril 7
There are flange 7-1, flange 7-1 that valve mandril 7 is divided to for front and rear two sections, the back segment of valve mandril 7 is arranged with valve spring 8, valve
One end of spring 8 is butted on the flange 7-1 of valve mandril 7, and the other end of valve spring 8 is butted on material pin adjustment seat 10；The valve
It is equipped with push rod 7 and applies material pin 11, is applied formed with flange in material pin 11, flange is divided to material pin 11 is applied for front and rear two sections；Apply material pin
11 back segment is arranged with material pin spring 12, and one end of material pin spring 12 is butted on the flange for applying material pin 11, material pin spring 12 it is another
End is butted on material pin adjusting knob 14 by material pin spring pad 13；Material pin adjusting knob 14 is fixedly connected with material pin adjustment seat 10.
Further, it is provided with sealing ring 9 between the valve mandril 7 and material pin adjustment seat 10.
Further, the material pin adjusting knob 14 is connected through a screw thread material pin adjustment seat 10.
Further, the valve sleeve 4 uses metal material.
Preferably, the material of the valve sleeve 4 is copper.
Preferably, the inner seal ring 5 is O-ring.
Preferably, the exterior seal ring 3 is O-ring.
What the present invention can reach has the technical effect that：
The present invention uses the valve sleeve of metal material, and valve sleeve processing dimension is stable, performance of the variation of ambient temperature to valve sleeve
Influence small.
The present invention realizes being fixedly connected between valve sleeve and gun body by back-up ring, except being dismantled with specific purpose tool, uses
During valve sleeve will not fall off.
The present invention makes to seal between valve sleeve outer wall and gun body inwall by exterior seal ring, and valve sleeve can be prevented from outer wall
Gas leakage；
The present invention realizes the connection between valve sleeve and valve mandril by front and rear twice inner seal ring, and sealing ring can avoid valve
Door push rod is directly contacted and worn with valve sleeve, while increases the guidance quality of valve mandril；Use in space between two seals circle
In storage grease, valve mandril is constantly in lubricating status in the course of the work, reduce mutual frictional force, extend
The service life of sealing ring；Double sealing it also avoid paint foul and bring into gun body.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Fig. 1 is the decomposing schematic representation for the spray gun that the present invention has valve sealing structure；
Fig. 2 is the diagrammatic cross-section of the present invention；
Fig. 3 is the valve mandril of the present invention and the connection diagram of valve sleeve.
Description of reference numerals in figure：
1 is gun body, and 2 be back-up ring,
3 be exterior seal ring, and 4 be valve sleeve,
5 be inner seal ring, and 6 be valve sealing ring,
7 be valve mandril, and 8 be valve spring,
7-1 is the flange of valve mandril,
9 be sealing ring, and 10 be material pin adjustment seat,
11 is apply material pin, and 12 be material pin spring,
13 be material pin spring pad, and 14 be material pin adjusting knob.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright part of the embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained on the premise of without creative work, belongs to the scope of protection of the invention.Remove
Non- definition in addition, technical term or scientific terminology used herein are should be in art of the present invention with general technical ability
The ordinary meaning that personage is understood.The similar word such as " comprising " used herein mean to occur element before the word or
Object is covered the element for appearing in the word presented hereinafter or object and its is equal, and is not excluded for other elements or object." even
Connect " either the similar word such as " connected " is not limited to physics or mechanical connection, but electrical company can be included
Connect, it is either directly or indirect."front", "rear" etc. is only used for representing relative position relation, when being described the exhausted of object
After changing to position, then the relative position relation may also correspondingly change.
As shown in Figure 1 and Figure 2, the present invention has the spray gun of valve sealing structure, including gun body 1, and valve is provided with gun body 1
Door push rod 7, valve sleeve 4 is provided between the front end of valve mandril 7 and gun body inwall；The middle part of valve mandril 7 and gun body inwall
Between be provided with valve sealing ring 6, the rear end of valve mandril 7 passes through material pin adjustment seat 10 and connects gun body；
Valve mandril 7 is divided to for front and rear two sections formed with flange 7-1, flange 7-1 on valve mandril 7；The back segment set of valve mandril 7
Provided with valve spring 8, one end of valve spring 8 is butted on the flange 7-1 of valve mandril 7, and the other end of valve spring 8 is butted on material pin
Adjustment seat 10；
Sealing ring 9 is provided between valve mandril 7 and material pin adjustment seat 10；
It is equipped with valve mandril 7 and applies material pin 11, is applied formed with flange in material pin 11, flange is divided to material pin 11 is applied for front and rear two
Section；The back segment for applying material pin 11 is arranged with material pin spring 12, and one end of material pin spring 12 is butted on the flange for applying material pin 11, material pin spring
12 other end is butted on material pin adjusting knob 14 by material pin spring pad 13；
Material pin adjusting knob 14 is connected through a screw thread material pin adjustment seat 10.
As shown in figure 3, the inwall of valve sleeve 4 offers the seal groove that front and rear twice are used to house inner seal ring 5, it is interior close
Seal 5 can avoid valve mandril 7 from directly being contacted with valve sleeve 4 and wear, while increase the guidance quality of valve mandril 7；Twice
Space between inner seal ring 5 is used to store grease, valve mandril 7 is constantly in lubricating status in the course of the work, reduces
Mutual frictional force, extend the service life of inner seal ring 5；Double sealing it also avoid paint foul and bring gun body into
It is interior；
The outer wall of valve sleeve 4 offers the seal groove for housing exterior seal ring 3, and exterior seal ring 3 can make the outer wall of valve sleeve 4
Sealed between gun body inwall, prevent valve sleeve 4 from outer wall gas leakage；
The outer wall of valve sleeve 4 is further opened with the circlip groove for housing back-up ring 2, and back-up ring 2 can be realized between valve sleeve 4 and gun body
Be fixedly connected, except being dismantled with specific purpose tool, valve sleeve 4 will not fall off during use；
Valve sleeve 4 uses metal material, preferably copper.The valve sleeve of the present invention uses metal material, and processing dimension is stable, environment temperature
Degree change is small to performance impact.
Although embodiments of the present invention are hereinbefore described in detail, show for those skilled in the art
And be clear to, various modifications and variations can be carried out to these embodiments.However, it is understood that this modifications and variations are all
Belong within the scope and spirit of the present invention described in claims.Moreover, the present invention described herein can have others
Embodiment, and can be practiced or carried out in several ways.
Claims (9)
- A kind of 1. spray gun with valve sealing structure, it is characterised in that：Including gun body（1）, gun body（1）Inside it is provided with valve top Bar（7）, valve mandril（7）Front end and gun body inwall between be provided with valve sleeve（4）；The valve sleeve（4）Inwall offer front and rear twice be used for house inner seal ring（5）Interior sealing ring recess；In being arranged at The twice inner seal ring of seal groove（5）Between formed storage grease space；Front and rear twice inner seal ring（5）Valve can be realized Door pocket（4）With valve mandril（7）Between connection；The valve sleeve（4）Outer wall offer for housing exterior seal ring（3）External seal ring recess；Exterior seal ring（3）Can Make valve sleeve（4）Sealed between gun body inwall；The valve sleeve（4）Outer wall be further opened be used for house back-up ring（2）Circlip groove.
- 2. the spray gun according to claim 1 with valve sealing structure, it is characterised in that：The valve mandril（7）'s Valve sealing ring is provided between middle part and gun body inwall（6）.
- 3. the spray gun according to claim 1 with valve sealing structure, it is characterised in that：The valve mandril（7）'s Rear end passes through material pin adjustment seat（10）Connect gun body；Valve mandril（7）On formed with flange（7-1）, flange（7-1）By valve top Bar（7）It is divided into front and rear two sections, valve mandril（7）Back segment be arranged with valve spring（8）, valve spring（8）One end be butted on valve Door push rod（7）Flange（7-1）, valve spring（8）The other end be butted on material pin adjustment seat（10）；The valve mandril（7）Inside it is equipped with painting material pin（11）, apply material pin（11）On formed with flange, flange will apply material pin（11） It is divided into front and rear two sections；Apply material pin（11）Back segment be arranged with material pin spring（12）, material pin spring（12）One end be butted on painting material pin （11）Flange, material pin spring（12）The other end pass through material pin spring pad（13）It is butted on material pin adjusting knob（14）；Material pin adjusting knob（14）It is fixedly connected with material pin adjustment seat（10）.
- 4. the spray gun according to claim 3 with valve sealing structure, it is characterised in that：The valve mandril（7）With Material pin adjustment seat（10）Between be provided with sealing ring（9）.
- 5. the spray gun according to claim 3 with valve sealing structure, it is characterised in that：The material pin adjusting knob （14）It is connected through a screw thread material pin adjustment seat（10）.
- 6. the spray gun according to claim 1 with valve sealing structure, it is characterised in that：The valve sleeve（4）Using Metal material.
- 7. the spray gun according to claim 1 with valve sealing structure, it is characterised in that：The valve sleeve（4）Material Expect for copper.
- 8. the spray gun according to claim 1 with valve sealing structure, it is characterised in that：The inner seal ring（5）For O Type circle.
- 9. the spray gun according to claim 1 with valve sealing structure, it is characterised in that：The exterior seal ring（3）For O Type circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292269.1A CN107803287A (en) | 2017-12-08 | 2017-12-08 | spray gun with valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711292269.1A CN107803287A (en) | 2017-12-08 | 2017-12-08 | spray gun with valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107803287A true CN107803287A (en) | 2018-03-16 |
Family
ID=61579596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711292269.1A Pending CN107803287A (en) | 2017-12-08 | 2017-12-08 | spray gun with valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107803287A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589621A (en) * | 1969-02-28 | 1971-06-29 | Ransburg Electro Coating Corp | Spray device |
| CN1485144A (en) * | 2002-08-30 | 2004-03-31 | ����ŵ˹��е���̹�˾ | Self-adjusting cartridge seal |
| CN101105246A (en) * | 2007-08-02 | 2008-01-16 | 张家港市乐余禹王水暖五金厂 | Water tap valve element valve rod sealing device |
| CN202667059U (en) * | 2012-06-01 | 2013-01-16 | 金华市金顺工具有限公司 | Valve needle structure of electronic spray gun |
| CN203459211U (en) * | 2013-09-25 | 2014-03-05 | 宁波盛恒光电有限公司 | Gas switch component for needle plug of spray gun |
| CN205096002U (en) * | 2015-11-16 | 2016-03-23 | 浙江奥利达气动工具股份有限公司 | Air brush |
| CN205095998U (en) * | 2015-11-16 | 2016-03-23 | 浙江奥利达气动工具股份有限公司 | Furniture finish paint spray gun |
| CN106238239A (en) * | 2016-09-27 | 2016-12-21 | 佛山职业技术学院 | A kind of can the novel spray gun of adjusting coating spray volume size |
| CN207576722U (en) * | 2017-12-08 | 2018-07-06 | 浙江奥利达气动工具股份有限公司 | spray gun with valve sealing structure |
-
2017
- 2017-12-08 CN CN201711292269.1A patent/CN107803287A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589621A (en) * | 1969-02-28 | 1971-06-29 | Ransburg Electro Coating Corp | Spray device |
| CN1485144A (en) * | 2002-08-30 | 2004-03-31 | ����ŵ˹��е���̹�˾ | Self-adjusting cartridge seal |
| CN101105246A (en) * | 2007-08-02 | 2008-01-16 | 张家港市乐余禹王水暖五金厂 | Water tap valve element valve rod sealing device |
| CN202667059U (en) * | 2012-06-01 | 2013-01-16 | 金华市金顺工具有限公司 | Valve needle structure of electronic spray gun |
| CN203459211U (en) * | 2013-09-25 | 2014-03-05 | 宁波盛恒光电有限公司 | Gas switch component for needle plug of spray gun |
| CN205096002U (en) * | 2015-11-16 | 2016-03-23 | 浙江奥利达气动工具股份有限公司 | Air brush |
| CN205095998U (en) * | 2015-11-16 | 2016-03-23 | 浙江奥利达气动工具股份有限公司 | Furniture finish paint spray gun |
| CN106238239A (en) * | 2016-09-27 | 2016-12-21 | 佛山职业技术学院 | A kind of can the novel spray gun of adjusting coating spray volume size |
| CN207576722U (en) * | 2017-12-08 | 2018-07-06 | 浙江奥利达气动工具股份有限公司 | spray gun with valve sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180316 |
|
| RJ01 | Rejection of invention patent application after publication |