CN207592140U - High-pressure airless spraying gun articulation - Google Patents
High-pressure airless spraying gun articulation Download PDFInfo
- Publication number
- CN207592140U CN207592140U CN201721561641.XU CN201721561641U CN207592140U CN 207592140 U CN207592140 U CN 207592140U CN 201721561641 U CN201721561641 U CN 201721561641U CN 207592140 U CN207592140 U CN 207592140U
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- China
- Prior art keywords
- attaching nut
- flat connector
- spraying gun
- steel ball
- airless spraying
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Abstract
The utility model discloses a kind of high-pressure airless spraying gun articulations, including with the flat connector of hollow via-hole structure and attaching nut, flat connector, which is plugged in attaching nut and passes through steel ball, carries out limiting connection, and one end that attaching nut is inserted into flat connector is equipped with screwed retaining ring.By designing a screwed retaining ring in the end of flat connector, the abrasion of steel ball can be reduced indirectly first；Secondly after worn steel ball, popping out between flat connector and hex screw can be also prevented, is a kind of safeguard protection for user, while also improve the service life of entire articulation.
Description
Technical field
The utility model is related to high pressure airless spray equipment technical fields, and in particular to a kind of high-pressure airless spraying gun articulation.
Background technology
Airless spraying is a kind of to apply mist when high pressure sprays coating using high pressure airless spray equipment to corresponding coating
A kind of technique changed.High pressure airless spray equipment includes host main body and the spray gun being connect with host main body pipeline.High pressure without
Its operation principle of air spray coater is constantly to convey coating in the coating pipeline of closing by high-pressure plunger pump, so as in confined air
Between high pressure (being usually 11MPa-25MPa) is formed in pipeline.Then the spray gun trigger for being connected to coating pipe end is unclamped, forces to make
High pressure coating stream, so as to form atomization, finally sprays to coated article surface by small nozzle.However in the prior art, it connects
Limiting connection is carried out only by steel ball between the flat connector of articulation between spray gun and pipeline and attaching nut, when by anti-
After multiple use, steel ball just will appear disengagings it is easy to appear abrasion condition between flat connector and attaching nut, steel ball in inside again
Abrasion condition is difficult to observe by, and due to being high pressure in pipeline, is used abnormally dangerous.Reality in use, through
Often can be due to the phenomenon that being popped out between connector flat after worn steel ball and attaching nut, and because the high pressure in pipeline promotes pipe
The phenomenon that road is quickly thrown away and high pressure sprays and injures user or other people, causes the damage for being difficult to estimate and consequence.
Invention content
In view of this, the purpose of this utility model is to provide a kind of high-pressure airless spraying gun articulations.
In order to achieve the above objectives, the utility model provides following technical solution：A kind of high-pressure airless spraying gun articulation, including
With the flat connector of hollow via-hole structure and attaching nut, flat connector, which is plugged in attaching nut and passes through steel ball, carries out limiting company
It connects, one end that attaching nut is inserted into flat connector is equipped with screwed retaining ring.
Further, screwed retaining ring is connected through a screw thread the end for being set in flat connector.
Further, in the inner wall of attaching nut circumferentially arranged with the limit protrusion of annular.
Further, between the outer wall of flat connector and the inner wall of attaching nut be equipped with sealing ring, the side of sealing ring with
Limit protrusion resists contact, and opposite side and the screwed retaining ring of sealing ring are engaged.
Further, the inner surface in the outer surface of flat connector and attaching nut is correspondingly provided with annular stop groove, steel ball
In limiting groove.
Further, the plug of sealed steel ball is equipped on attaching nut.
The beneficial effects of the utility model are：By designing a screwed retaining ring in the end of flat connector, first can
The abrasion of steel ball is reduced indirectly；Secondly after worn steel ball, popping out between flat connector and hex screw can be also prevented, it is right
It is a kind of safeguard protection for user, while also improves the service life of entire articulation.
Description of the drawings
In order to make the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows
Attached drawing illustrates：
Fig. 1 is the utility model high-pressure airless spraying gun movable joint structure schematic diagram.
Fig. 2 is the structure diagram of the flat connector of the utility model high-pressure airless spraying gun articulation.
In figure, 1 is flat connector, and 2 be attaching nut, and 3 be steel ball, and 4 be limit protrusion, and 5 be sealing ring, and 6 be limiting groove,
7 be plug, and 8 be screwed retaining ring.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
It can be better understood from the utility model and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As depicted in figs. 1 and 2, the articulation of the utility model high-pressure airless spraying gun includes that there is the flat of hollow via-hole structure to connect
First 1 and attaching nut 2, flat connector 1, which is plugged in attaching nut 2 and passes through steel ball 3, carries out limiting connection, is inserted into flat connector 1
One end of attaching nut 2 is equipped with screwed retaining ring 8, and the outer diameter of screwed retaining ring 8 is more than the interior of the minimum vias of 2 inner cavity of attaching nut
Diameter, so as to can not be detached between flat connector 1 and attaching nut 2.Screwed retaining ring 8 is connected through a screw thread the end for being set in flat connector 1
Portion is so as to form a position limiting structure, i.e., flat connector 1 and attaching nut after steel ball 3 is worn between flat connector 1 and attaching nut 2
It can not also be completely disengaged between 2.
Attaching nut 2 inner wall circumferentially arranged with annular limit protrusion 4.In the outer wall of flat connector 1 and attaching nut 2
Inner wall between be equipped with sealing ring 5, the side of sealing ring 5 is resisted with limit protrusion 4 and is contacted, the opposite side and anticreep of sealing ring 5
Nut 8 is engaged.This structure can be limited and be reduced indirectly between flat connector 1 and attaching nut 2 in spraying process
Relative movement reduces the abrasion of steel ball 3, improves the service life of articulation.
Specifically, the inner surface in the outer surface of flat connector 1 and attaching nut 2 is correspondingly provided with annular stop groove 6, steel ball
3 are set in limiting groove 6, so as to fulfill the limiting connection between flat connector 1 and attaching nut 2.It is equipped on attaching nut 2 close
The plug 7 of steel ball 3 is sealed, prevents steel ball 3 from falling.
The beneficial effects of the utility model are：By designing a screwed retaining ring in the end of flat connector, first can
The abrasion of steel ball is reduced indirectly；Secondly after worn steel ball, popping out between flat connector and hex screw can be also prevented, it is right
It is a kind of safeguard protection for user, while also improves the service life of entire articulation.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
It changes, is within the protection scope of the utility model.The scope of protection of the utility model is subject to claims.
Claims (6)
- It is described flat to connect including with the flat connector of hollow via-hole structure and attaching nut 1. a kind of high-pressure airless spraying gun articulation Head, which is plugged in the attaching nut and passes through steel ball, carries out limiting connection, it is characterised in that:Described in being inserted into the flat connector One end of attaching nut is equipped with screwed retaining ring.
- 2. high-pressure airless spraying gun articulation according to claim 1, it is characterised in that：The screwed retaining ring is connected by screw thread Female connector is located at the end of the flat connector.
- 3. high-pressure airless spraying gun articulation according to claim 2, it is characterised in that：On the inner wall edge of the attaching nut It is circumferentially with the limit protrusion of annular.
- 4. high-pressure airless spraying gun articulation according to claim 3, it is characterised in that：Outer wall and company in the flat connector Sealing ring is equipped between the inner wall of connected nut, the side of the sealing ring is contacted with limit protrusion resistance, the sealing ring Opposite side be engaged with the screwed retaining ring.
- 5. high-pressure airless spraying gun articulation according to claim 3, it is characterised in that：In the outer surface of the flat connector and The inner surface of the attaching nut is correspondingly provided with annular stop groove, and the steel ball is set in the limiting groove.
- 6. high-pressure airless spraying gun articulation according to claim 4, it is characterised in that：It is equipped on the attaching nut close Seal the plug of the steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561641.XU CN207592140U (en) | 2017-11-21 | 2017-11-21 | High-pressure airless spraying gun articulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561641.XU CN207592140U (en) | 2017-11-21 | 2017-11-21 | High-pressure airless spraying gun articulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207592140U true CN207592140U (en) | 2018-07-10 |
Family
ID=62759457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721561641.XU Active CN207592140U (en) | 2017-11-21 | 2017-11-21 | High-pressure airless spraying gun articulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207592140U (en) |
-
2017
- 2017-11-21 CN CN201721561641.XU patent/CN207592140U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |