CN216495758U - Adaptor and three-purpose spray gun head convenient to connect - Google Patents
Adaptor and three-purpose spray gun head convenient to connect Download PDFInfo
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- CN216495758U CN216495758U CN202121001002.4U CN202121001002U CN216495758U CN 216495758 U CN216495758 U CN 216495758U CN 202121001002 U CN202121001002 U CN 202121001002U CN 216495758 U CN216495758 U CN 216495758U
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Abstract
The utility model relates to a three-purpose spray gun head convenient to connect, which comprises an adapter piece and a spray nozzle, wherein the spray nozzle comprises a connecting piece and a spray piece which are detachably connected, one end of the connecting piece is open, the other end of the connecting piece is provided with a guide hole for the spray piece to pass through, a connecting cavity is arranged in the connecting piece, a guide strip matched with the guide groove is arranged on the inner wall of the connecting cavity, an air outlet hole and a liquid outlet hole are axially arranged in the spray piece, the air outlet hole is spliced with an air outlet pipe, the liquid outlet hole is spliced with the liquid outlet pipe, and one end of the spray piece is provided with a limiting blocking piece. Compared with the prior art, the adapter is more reasonable in design, so that gas and liquid flow is smoother, the injection effect is better, the adapter in the three-purpose spray gun head convenient to connect and the nozzle are arranged in a split mode, the disassembly is convenient, the nozzle liquid is arranged in a split mode, different injection pieces are convenient to replace, and the wider applicability is achieved.
Description
Technical Field
The utility model relates to the technical field of dental instruments, in particular to an adapter and a three-purpose spray gun head convenient to connect.
Background
Dental spray guns, which can spray water and air, are often used by doctors to clean the teeth from debris, and also to air dry the teeth. Like a dental filling, the teeth must be dry before the adhesive is reapplied, and are typically dried with air. The spray gun head of the dental spray gun is connected with the gun rod of the spray gun, and liquid or gas is introduced. The existing spray gun head generally adopts an integrated structure, when different spray guns are required to be matched, the spray gun head needs to be integrally replaced, and the replacement cost is higher.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: overcomes the defects in the prior art and provides an adapter and a three-purpose spray gun head convenient to connect.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an adaptor, includes integrated into one piece's spray gun connecting portion and nozzle connecting portion, be equipped with one in the spray gun connecting portion and hold the chamber, the one end that holds the chamber is for setting up at the terminal opening of spray gun connecting portion, and its other end is the terminal surface of taking the through-hole, and an inlet channel has been seted up at this terminal surface border, the through-hole orientation is kept away from open-ended one end and is extended and be formed with a transition chamber, the terminal surface for having the area centre bore of transition chamber, be connected with inlet channel on the centre bore, be equipped with an outlet channel and a drain passage in the nozzle connecting portion, be connected with the outlet duct on the outlet channel, and its and inlet channel intercommunication, be connected with the drain pipe on the drain passage, and its and inlet channel intercommunication.
The cavity is convenient for being connected with a spray gun, the air inlet channel is arranged on the edge of the end face with the through hole, is separated from the liquid inlet pipeline by a certain distance, is convenient for being connected with a water source and an air source of the spray gun and is convenient for control, and the transition cavity is arranged to have a certain buffering effect on air.
Further inject, be equipped with the annular groove on the inner wall that holds the chamber and be close to the opening part, a bolt hole has been seted up on the outer wall that the spray gun connecting portion corresponds the annular groove.
Set up annular groove, be convenient for be connected with the spray gun, set up the bolt hole, strengthen the fastness that both connect.
Further limit, the joint of the liquid inlet channel and the liquid outlet channel is an expansion area with the diameter increased.
The expansion area is arranged to play a role of temporarily storing liquid and prevent the liquid from generating the condition of cutoff before being sprayed.
Further defined, the inlet channel is connected to the outlet duct by a transition channel, the transition channel being perpendicular to both the inlet channel and the outlet duct.
The transition duct functions to change the direction of the gas.
Further, the outer wall of the nozzle connecting piece is provided with a guide groove, and the shape of the guide groove is matched with that of the guide strip on the nozzle.
Through the cooperation of guide way and gib block, be convenient for both be connected.
Further defined, the guide groove is a U-shaped groove.
So set up, be convenient for process, and can guarantee the high-speed joint.
Further, the spray gun connecting part is of a frustum structure, and the nozzle connecting part is of a cylindrical structure.
The spray gun connecting part is of a frustum structure, so that the spray gun connecting part is convenient to hold and install with a spray gun, and the nozzle connecting part is of a cylindrical structure and is convenient to connect with a nozzle.
The utility model provides a three way spray gun head convenient to connect, includes the adaptor, still includes the nozzle, the nozzle is including dismantling the connecting piece of connection and spraying the piece, connecting piece one end opening, its other end set up the guiding hole that supplies to spray the piece and pass, and the inside connection chamber that is equipped with of connecting piece connects the intracavity wall and is equipped with the gib block that matches with the guide way, be equipped with a venthole and a play liquid hole along the axial in the spraying piece, the venthole is pegged graft with the outlet duct, go out the liquid hole and peg graft with the drain pipe, the one end of spraying the piece is equipped with spacing separation blade.
According to the use requirement, the spraying pieces with different structures can be used, so that the nozzle is arranged into a split structure, and the applicability of the nozzle is improved.
The utility model has the beneficial effects that: compared with the prior art, the adapter is more reasonable in design, so that gas and liquid flow is smoother, the injection effect is better, the adapter in the three-purpose spray gun head convenient to connect and the nozzle are arranged in a split mode, the disassembly is convenient, the nozzle liquid is arranged in a split mode, different injection pieces are convenient to replace, and the wider applicability is achieved.
Drawings
The utility model is further described with reference to the following figures and embodiments.
Fig. 1 is a schematic view of the construction of a lance head according to the utility model for facilitating connection.
Fig. 2 is a schematic structural view of the adaptor of the present invention.
Fig. 3 is a sectional view in the direction a-a of fig. 2.
Fig. 4 is an assembly view of the nozzle of the present invention.
In the figure: 1. the spray gun comprises an adapter piece, 11, a spray gun connecting part, 12, a nozzle connecting part, 111, a cavity, 112, a through hole, 113, an air inlet channel, 114, a transition cavity, 115, a central hole, 116, an air inlet channel, 117, an annular groove, 118, a bolt hole, 119, a transition channel, 121, an air outlet channel, 122, a liquid outlet channel, 123, a guide groove, 2, a nozzle, 21, a connecting piece, 22, a spraying piece, 211, a guide hole, 212, a connecting cavity, 213, a guide strip, 221, an air outlet hole, 222, a liquid outlet hole, 223, a limiting baffle, 3, an air outlet pipe and 4, and the liquid outlet pipe is arranged on the adapter piece.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The three-purpose spray gun head convenient to connect as shown in fig. 1 comprises an adapter 1 and a spray nozzle 2, wherein the spray nozzle 2 comprises a connecting piece 21 and a spray piece 22 which are detachably connected, one end of the connecting piece 21 is open, the other end of the connecting piece 21 is provided with a guide hole 211 for the spray piece 22 to pass through, a connecting cavity 212 is arranged inside the connecting piece 21, a guide strip 213 matched with the guide groove 123 on the outer wall of the spray nozzle connecting piece 12 is arranged on the inner wall of the connecting cavity 212, an air outlet hole 221 and a liquid outlet hole 222 are axially arranged in the spray piece 22, the air outlet hole 221 is inserted into an air outlet pipe 3, the liquid outlet hole 222 is inserted into a liquid outlet pipe 4, one end of the spray piece 22 is provided with a limiting baffle 223 for preventing the spray piece 22 from completely passing through the guide hole 211, as shown in fig. 4.
As shown in fig. 2 and fig. 3, the adaptor 1 includes a spray gun connecting portion 11 and a nozzle connecting portion 12 that are integrally formed, a cavity 111 is disposed in the spray gun connecting portion 11, one end of the cavity 111 is an opening disposed at a terminal of the spray gun connecting portion 11, the other end of the cavity is an end surface with a through hole 112, an air inlet channel 113 is disposed on an edge of the end edge, a transition cavity 114 is formed by extending the through hole 112 toward an end away from the opening, a terminal of the transition cavity 114 is an end surface with a central hole 115, the central hole 115 is connected with an air inlet channel 116, an annular groove 117 is disposed on an inner wall of the cavity 111 near the opening, and a bolt hole 118 is disposed on an outer wall of the spray gun connecting portion 11 corresponding to the annular groove 117;
an air outlet channel 121 and an liquid outlet channel 122 are arranged in the nozzle connecting part 12, the air outlet channel 121 is connected with an air outlet pipe 3 and communicated with the air inlet channel 113, and the liquid outlet channel 122 is connected with a liquid outlet pipe 4 and communicated with the liquid inlet channel 116. The connection between the liquid inlet channel 116 and the liquid outlet channel 122 is an expansion area 13 with an enlarged diameter. The inlet channel 113 is connected to the outlet pipe 121 via a transition channel 119, and the transition channel 119 is perpendicular to both the inlet channel 113 and the outlet pipe 121.
Preferably, the guide groove 123 on the outer wall of the nozzle link 12 is a U-shaped groove.
Preferably, the lance connection part 11 has a frustum structure and the nozzle connection part 12 has a cylindrical structure.
During specific operation, the front end of the spray gun is arranged in the annular groove 117 of the spray gun connecting part 11, the spray gun and the annular groove are fixed through bolts, for the three-purpose spray gun head convenient to connect in the embodiment, a liquid inlet pipe inserted into the liquid inlet channel 116 is arranged at the front end of the spray gun, an air inlet hole is arranged on the end face of the spray gun, when water needs to be sprayed, liquid reaches the liquid inlet channel 116 through the liquid inlet pipe, and then reaches the expansion area 13 (part of liquid is accumulated) and is sprayed out through the liquid outlet pipe 4 on the liquid outlet channel 122; after the gas comes out from the gas inlet to the cavity 111, the gas flows through the transition pipeline 119 through the gas outlet pipeline 121 and is ejected out of the gas outlet pipe 3 on the gas outlet channel 121; of course, the gas and liquid may be ejected together as desired.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. An adapter, characterized by: including integrated into one piece's spray gun connecting portion and nozzle connecting portion, be equipped with one in the spray gun connecting portion and hold the chamber, the one end that holds the chamber is for setting up at the terminal opening of spray gun connecting portion, and its other end is the terminal surface of taking the through-hole, and an inlet channel has been seted up at this terminal surface border, the through-hole is towards keeping away from open-ended one end extension and is formed with a transition chamber, the terminal surface for having the area centre bore in transition chamber, be connected with inlet channel on the centre bore, be equipped with an outlet channel and a drain passage in the nozzle connecting portion, be connected with the outlet duct on the outlet channel, and its and inlet channel intercommunication, be connected with the drain pipe on the drain passage, and its and inlet channel intercommunication.
2. The adapter of claim 1 wherein: an annular groove is formed in the inner wall, close to the opening, of the accommodating cavity, and a bolt hole is formed in the outer wall, corresponding to the annular groove, of the spray gun connecting portion.
3. The adapter of claim 1 wherein: the joint of the liquid inlet channel and the liquid outlet channel is an expansion area with the diameter increased.
4. The adapter of claim 1 wherein: the air inlet channel is connected with the air outlet pipeline through the transition channel, and the transition channel is perpendicular to the air inlet channel and the air outlet pipeline.
5. The adapter of claim 1 wherein: the outer wall of the nozzle connecting piece is provided with a guide groove, and the shape of the guide groove is matched with that of the guide strip on the nozzle.
6. The adapter of claim 5 wherein: the guide groove is a U-shaped groove.
7. The adapter of claim 1 wherein: the spray gun connecting part is of a frustum structure, and the nozzle connecting part is of a cylindrical structure.
8. The utility model provides a three way spray gun head convenient to connect which characterized in that: the adapter comprises the adapter according to any one of claims 1 to 7, and further comprises a nozzle, wherein the nozzle comprises a connecting piece and a spraying piece which are detachably connected, one end of the connecting piece is open, the other end of the connecting piece is provided with a guide hole for the spraying piece to pass through, a connecting cavity is arranged in the connecting piece, a guide strip matched with the guide groove is arranged on the inner wall of the connecting cavity, an air outlet hole and a liquid outlet hole are axially arranged in the spraying piece, the air outlet hole is connected with an air outlet pipe in an inserted mode, the liquid outlet hole is connected with the liquid outlet pipe in an inserted mode, and one end of the spraying piece is provided with a limiting blocking piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001002.4U CN216495758U (en) | 2021-05-11 | 2021-05-11 | Adaptor and three-purpose spray gun head convenient to connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001002.4U CN216495758U (en) | 2021-05-11 | 2021-05-11 | Adaptor and three-purpose spray gun head convenient to connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216495758U true CN216495758U (en) | 2022-05-13 |
Family
ID=81460113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121001002.4U Active CN216495758U (en) | 2021-05-11 | 2021-05-11 | Adaptor and three-purpose spray gun head convenient to connect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216495758U (en) |
-
2021
- 2021-05-11 CN CN202121001002.4U patent/CN216495758U/en active Active
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