CN207576722U - spray gun with valve sealing structure - Google Patents
spray gun with valve sealing structure Download PDFInfo
- Publication number
- CN207576722U CN207576722U CN201721696645.9U CN201721696645U CN207576722U CN 207576722 U CN207576722 U CN 207576722U CN 201721696645 U CN201721696645 U CN 201721696645U CN 207576722 U CN207576722 U CN 207576722U
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 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
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- Nozzles (AREA)
Abstract
The utility model discloses a kind of spray guns with valve sealing structure, including gun body, valve mandril are provided in gun body, valve sleeve is provided between the front end of valve mandril and gun body inner wall；The inner wall of the valve sleeve offers front and rear twice for housing the interior sealing ring recess of inner seal ring；It is set to 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 baffle ring.The utility model uses the valve sleeve of metal material, and valve sleeve processing dimension is stablized, and variation of ambient temperature influences the performance of valve sleeve small.
Description
Technical field
The utility model is related to a kind of spray guns, 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 mandril
Carry out the switch of control valve.
Existing spray gun, the sealing of valve nose be by be sheathed on the valve sleeve of the nonmetallic materials of valve mandril come
It realizes.Specifically, it is by the interference fit between valve sleeve outer wall and gun body inner wall and valve sleeve inner wall and valve
Interference fit between mandril.There are following defects for 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 in forming process because of technological problems in injection molding process
Difference；
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
It is fixed；
4th, the internal diameter size of valve sleeve, which becomes conference, leads to valve sleeve gas leakage（It leaks into outside gun body）, and size becomes smaller, and makes to match
It closes interference volume and crosses increase, increased so as to cause frictional force, not only influence trigger feel, it is serious valve to be led directly to；
5th, valve sleeve is sealed for single track, and paint foul is easily brought into valve sleeve by valve mandril in use, is increased
The frictional force of valve mandril and valve sleeve, influences leakproofness.
Invention content
The technical problem to be solved by the utility model is to provide a kind of spray guns with valve sealing structure, it can be protected
The processing dimension for demonstrate,proving valve sleeve is stablized.
In order to solve the above technical problems, the technical solution of spray gun of the utility model with valve sealing structure is：
Including gun body 1, valve mandril 7 is provided in gun body 1, is provided between the front end of valve mandril 7 and gun body inner wall
Valve sleeve 4；The inner wall of the valve sleeve 4 offers front and rear twice for housing the interior sealing ring recess of inner seal ring 5；In being set to
The space of storage grease is formed between the twice inner seal ring 5 of seal groove；Front and rear twice inner seal ring 5 can realize valve sleeve
Connection between 4 and valve mandril 7；The outer wall of the valve sleeve 4 offers the external seal ring recess for housing exterior seal ring 3；
Exterior seal ring 3 can make to seal between valve sleeve 4 and gun body inner wall；The outer wall of the valve sleeve 4 is further opened with for accommodating gear
The circlip groove of circle 2.
Further, it is provided with valve sealing ring 6 between the middle part of the valve mandril 7 and gun body inner wall.
Further, the rear end of the valve mandril 7 connects gun body by material pin adjustment seat 10；It is formed on valve mandril 7
There is flange 7-1, it is front and rear two sections that valve mandril 7 is divided to by flange 7-1, and 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 in mandril 7 and applies material pin 11, applied and flange is formed in material pin 11, it is front and rear two sections that flange, which will apply material pin 11 to be divided to,；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 utility model can reach has the technical effect that：
The utility model uses the valve sleeve of metal material, and valve sleeve processing dimension is stablized, and variation of ambient temperature is to valve
The performance of set influences small.
The utility model realizes being fixedly connected between valve sleeve and gun body by baffle ring, in addition to being dismantled with specific purpose tool,
Valve sleeve will not fall off during use.
The utility model makes to seal between valve sleeve outer wall and gun body inner wall by exterior seal ring, can prevent valve sleeve from
Outer wall gas leakage；
The utility model realizes the connection between valve sleeve and valve mandril, sealing ring energy by front and rear twice inner seal ring
Enough valve mandril is avoided to be in direct contact and wear with valve sleeve, while increase the guidance quality of valve mandril；Between two seals
Space for storing grease, valve mandril is made to be constantly in lubricating status during the work time, reduces mutual rub
Power is wiped, extends the service life of sealing ring；Double sealing also avoids paint foul and brings into gun body.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the decomposition diagram for the spray gun that the utility model has valve sealing structure；
Fig. 2 is the diagrammatic cross-section of the utility model；
Fig. 3 is the valve mandril of the utility model and the connection diagram of valve sleeve.
Reference sign in figure：
1 is gun body, and 2 be baffle 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.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, it is described
Embodiment is the part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained under the premise of without creative work, all belongs to
In the range of the utility model protection.Unless otherwise defined, technical term or scientific terminology used herein should be this reality
With the ordinary meaning that there is the personage of general technical ability to be understood in novel fields." comprising " used herein etc. is similar
The element that word means to occur before the word either cover the element for appearing in the word presented hereinafter or object and its wait by object
Together, other elements or object are not excluded for." connection " either the similar word such as " connected " be not limited to physics or
The connection of machinery, but electrical connection can be included, it is either directly or indirect."front", "rear" etc. is only used for table
Show relative position relation, after the absolute position for being described object changes, then the relative position relation may also correspondingly change.
As shown in Figure 1 and Figure 2, the utility model has the spray gun of valve sealing structure, including gun body 1, is set in gun body 1
There is valve mandril 7, valve sleeve 4 is provided between the front end of valve mandril 7 and gun body inner wall；The middle part of valve mandril 7 and gun body
Valve sealing ring 6 is provided between inner wall, the rear end of valve mandril 7 connects gun body by material pin adjustment seat 10；
Flange 7-1 is formed on valve mandril 7, it is front and rear two sections that valve mandril 7 is divided to by flange 7-1；After valve mandril 7
Section is arranged with valve spring 8, and 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 in valve mandril 7 and applies material pin 11, applied and flange is formed in material pin 11, it is front and rear that flange, which will apply material pin 11 to divide,
Two sections；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 bullet
The other end of spring 12 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 inner wall of valve sleeve 4 offers front and rear twice for housing the seal groove of inner seal ring 5, it is interior close
Seal 5 can avoid valve mandril 7 from being in direct contact with valve sleeve 4 and wear, while increase the guidance quality of valve mandril 7；Twice
Space between inner seal ring 5 makes valve mandril 7 be constantly in lubricating status during the work time, reduces for storing grease
Mutual frictional force extends the service life of inner seal ring 5；Double sealing also avoids paint foul and brings 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 valve sleeve 4
It is sealed between outer wall and gun body inner wall, prevents valve sleeve 4 from outer wall gas leakage；
The outer wall of valve sleeve 4 is further opened with the circlip groove for housing baffle ring 2, and baffle ring 2 can realize valve sleeve 4 and gun body
Between be fixedly connected, in addition to 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 utility model uses metal material, and processing dimension is steady
Fixed, variation of ambient temperature influences performance small.
Although the embodiment of the utility model is hereinbefore described in detail, those skilled in the art is come
It says it is readily apparent that these embodiments can be carry out various modifications and be changed.However, it is understood that this modification and change
Change within the scope of the utility model and spirit belonged to described in claims.Moreover, described herein practicality is new
Type can have other embodiments, and can be practiced or carried out in several ways.
Claims (9)
1. a kind of 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 inner wall between be provided with valve sleeve（4）；
The valve sleeve（4）Inner wall offer front and rear twice for housing inner seal ring（5）Interior sealing ring recess；In being set to
The twice inner seal ring of seal groove（5）Between formed storage grease space；Front and rear twice inner seal ring（5）It can realize valve
Door pocket（4）With valve mandril（7）Between connection；
The valve sleeve（4）Outer wall offer to house exterior seal ring（3）External seal ring recess；Exterior seal ring（3）It can
Make valve sleeve（4）It is sealed between gun body inner wall；
The valve sleeve（4）Outer wall be further opened with housing baffle 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 inner wall（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 be 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 mandril（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 be 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 |
|---|---|---|---|
| CN201721696645.9U CN207576722U (en) | 2017-12-08 | 2017-12-08 | spray gun with valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696645.9U CN207576722U (en) | 2017-12-08 | 2017-12-08 | spray gun with valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207576722U true CN207576722U (en) | 2018-07-06 |
Family
ID=62736231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721696645.9U Expired - Fee Related CN207576722U (en) | 2017-12-08 | 2017-12-08 | spray gun with valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207576722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803287A (en) * | 2017-12-08 | 2018-03-16 | 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 CN201721696645.9U patent/CN207576722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803287A (en) * | 2017-12-08 | 2018-03-16 | 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 |
|---|---|---|---|
| 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: 20180706 |