CN218430711U - Conversion interface structure of portable spray pen - Google Patents

Abstract

The utility model discloses a conversion interface structure of portable spray pen, including the mount pad, the mount pad is connected to the end of giving vent to anger of air pump, still includes the crossover sub of being connected with the mount pad, the mount pad is equipped with the interface, the first end activity of crossover sub inserts in the interface, the inner wall of interface is equipped with the annular, the first end outer wall of crossover sub is equipped with annular arch, annular arch and annular axial spacing cooperation of annular, make the crossover sub rotate for the mount pad; the second end of the adapter is provided with a threaded connecting part, and the adapter is connected to the air inlet end of the spray pen body through the threaded connecting part; a through air channel is formed by the mounting seat and the adapter, and the air outlet end of the air pump is communicated with the air inlet end of the spray pen body through the air channel; after the air pump is connected with the air pump through the adapter, the user can adjust the angle of the air pump through rotating the air pump, namely, the relative position between the air pump and the air pump can be fixed without being kept all the time.

Description

Conversion interface structure of portable spray pen

Technical Field

The utility model belongs to the technical field of the spray pen technique and specifically relates to a conversion interface structure of portable spray pen is related to.

Background

The spray pen is a small pneumatic tool, can spray water and various spray paints, is mainly used for model painting, body art, technology, art, automobile spray painting, photo decoration, illustration, textile, T-shirt painting and the like, the spray pen body is provided with a paint cup for holding the spray paint, the spray pen body is combined with an air pump main body, compressed air is transmitted to a nozzle of the spray pen body through the air pump main body, the spray paint is sprayed out from the nozzle in an atomized state through a spray needle, and the spray pen has the characteristics of uniform coloring and fine spray paint particles.

The spray pen is required to have the characteristics of convenient use, convenient operation and wide application range in application, and therefore, the portable spray pen formed by matching the spray pen with the air pump is also available in the market. However, most of the portable spray pens in the market are connected with the air pump through threads, and when the spray pens are assembled to the air pump, the relative angle between the spray pens and the air pump is fixed, so that inconvenience is caused in use. Therefore, a portable spray pen capable of adjusting the angle between the spray pen and the air pump after assembly is also provided at present, for example, a portable pump-carrying spray pen disclosed in chinese patent (publication No. CN 209776025U) includes a spray pen body and an air pump main body connected to the spray pen body, and further includes an air inlet joint, the air inlet joint includes a first connecting portion connected to an air inlet end of the spray pen body and a second connecting portion connected to an air outlet end of the air pump main body, a strong magnetic block is provided on the second connecting portion, a metal member is provided on an outer peripheral surface of the air outlet end of the air pump main body, the air pump main body is connected to the spray pen body through mutual adsorption of the strong magnetic block and the metal member, the air outlet end of the air pump main body is communicated with the air inlet end of the spray pen body, the spray pen changes a connection mode between the air pump main body and the spray pen body, the air pump main body is connected through adsorption of the strong magnetic block and the metal member, the angle between the spray pen body and the air pump main body can be adjusted after assembly, and the use convenience is greatly improved.

However, because above-mentioned portable pump spray pen of taking adopts strong magnetic block to connect air pump main part and spray pen body, increased manufacturing cost on the one hand, on the other hand connects the steadiness lower, makes spray pen body and air pump main part take place to drop easily in the use, influences the result of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a portable spray pen's conversion interface structure, its manufacturing cost is lower, the steadiness is high, simple structure is reasonable, can rotate the spray pen body in the use to relative angle between adjustment spray pen body and the air pump, convenient operation, the user of being convenient for carries out the air brushing operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a conversion interface structure of portable spray pen, including the mount pad, the mount pad is fixed connection to the end of giving vent to anger of air pump, still include the crossover sub who is connected with the mount pad, the mount pad is equipped with the interface, the first end activity of crossover sub inserts in the interface, the inner wall of interface is equipped with the annular, the first end outer wall of crossover sub is equipped with the annular arch with the annular joint, annular arch and annular axial spacing cooperation of annular, make the crossover sub rotate for the mount pad; the second end of the adapter is provided with a threaded connecting part, and the adapter is connected to the air inlet end of the spray pen body through the threaded connecting part; the mounting seat and the adapter are matched to form a through air channel, and the air outlet end of the air pump is communicated with the air inlet end of the spray pen body through the air channel.

Furthermore, at least the first end of the adapter is made of elastic materials, a plurality of slits are evenly formed in the end portion of the first end of the adapter in the circumferential direction, and the slits axially extend along the adapter and penetrate through the annular protrusion.

Furthermore, the outer wall of the first end of the adapter is also provided with a sealing ring mounting groove, a sealing ring is embedded in the sealing ring mounting groove, and the adapter is in sealing fit with the inner wall of the socket through the sealing ring.

Further, the threaded connection portion is an external thread arranged on the outer wall of the second end of the adapter.

Furthermore, a circular table portion is arranged in the middle of the adapter, the upper end face of the circular table portion is matched with the end face of the air inlet end of the spray pen body in a stop mode, and the lower end face of the circular table portion is matched with the end face of the mounting seat in a stop mode.

Further, the inner wall of the end part of the first end of the adapter is provided with a horn mouth.

The utility model has the advantages that after the spray pen body is connected with the air pump through the adapter by arranging the adapter connected with the mounting seat, a user can freely adjust the angle of the spray pen body by rotating the spray pen body instead of being limited in a fixed direction, namely, the relative position between the spray pen body and the air pump can not be always fixed, thereby not only being convenient for operation and being convenient for the user to carry out spray painting operation, but also having simple structure and lower manufacturing cost; through set up the annular at the mount pad inner wall, and set up the annular arch with the annular joint at the outer wall of crossover sub for annular arch and the spacing cooperation of annular axial prevent that crossover sub from taking place to drop with the mount pad, the steadiness is high, has guaranteed the reliability of spray pen in use.

Drawings

FIG. 1 is a sectional view of an assembled structure of a portable spray pen;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of the present invention in a disassembled state;

FIG. 4 is a perspective view of the crossover joint at a first viewing angle;

fig. 5 is a perspective view of the adapter at a second viewing angle.

In FIGS. 1-5: 1. a mounting seat; 2. a crossover sub; 3. a first end; 201. a circular table portion; 101. an interface; 1011. a ring groove; 301. an annular projection; 4. a second end; 401. a threaded connection; 302. a slit; 303. a sealing ring mounting groove; 304. a bell mouth.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, the portable spray pen comprises a spray pen body, an air pump and a conversion interface structure, wherein one end of the conversion interface structure is fixedly connected to an air outlet end of the air pump, the other end of the conversion interface structure is fixedly connected to an air inlet end of a spray pen main body, compressed air is conveyed to the air inlet end of the spray pen body through the air outlet end of the air pump during work, and liquid spray painting paint in the spray pen body is atomized and sprayed out under the action of the compressed air.

As shown in fig. 1-5, the conversion interface structure of a portable airbrush comprises a mounting base 1, wherein the mounting base 1 is fixedly connected to an air outlet end of an air pump, a connection structure of the mounting base 1 and the air outlet end of the air pump belongs to the prior art, and generally, the mounting base 1 is connected to the air outlet end of the air pump by a screw thread. More specifically, the mounting base 1 is a part of an air pump, which is disposed at an air outlet end of the air pump, for connecting to the pen body. In fact, in the current portable airbrush on the market, the air inlet end of the airbrush body is in threaded connection with the mounting base 1, so that the airbrush body and the air pump are fixedly connected through threads.

Preferably, in this embodiment, the adapter 2 is further included and connected to the mounting base 1, the mounting base 1 is provided with a socket 101, and the first end 3 of the adapter 2 is movably inserted into the socket 101, so that the adapter 2 can freely rotate on the mounting base 1.

Specifically speaking, interface 101's inner wall is equipped with annular 1011, 3 outer walls of first end of crossover sub 2 be equipped with the annular of annular 1011 joint protruding 301, the spacing cooperation of annular protruding 301 and annular 1011 axial prevents that crossover sub 2 from taking place to drop (the stopping takes off) in interface 101 department, has strengthened firm degree, has guaranteed the reliability that the fountain pen used.

Preferably, in this embodiment, the second end 4 of the adapter 2 is provided with a threaded connection portion 401, and the adapter 2 is connected to the air inlet end of the pen body through the threaded connection portion 401, wherein the threaded connection portion 401 is an external thread provided on the outer wall of the second end 4 of the adapter 2. Adopt threaded connection to make adapter 2 more firm with being connected of spray pen body, be difficult for taking place the displacement, guaranteed the reliability that the spray pen used.

Specifically, the mounting seat 1 and the adapter 2 are matched to form a through air passage, an air outlet end of the air pump is communicated with an air inlet end of the spray pen body through the air passage, and compressed air is conveyed to the air inlet end of the spray pen body through the air passage, so that liquid spray painting paint in the spray pen body is atomized and sprayed out under the action of the compressed air.

Specifically, at least the first end 3 of the adapter 2 is made of an elastic material, a plurality of slits 302 are uniformly formed in the end portion of the first end 3 of the adapter 2 along the circumferential direction, and the slits 302 extend along the axial direction of the adapter 2 and penetrate through the annular protrusion 301; the elastic material is preferably plastic, and the slit 302 enables the first end 3 of the adapter 2 to deform and contract when being subjected to an external force, so that the adapter 2 can be inserted into the socket 101 conveniently, and the annular protrusion 301 is clamped with the annular groove 1011. Specifically, a bell mouth 304 is arranged on the inner wall of the end part of the first end 3 of the conversion joint 2; the flared opening 304 provides a good guiding function, so that the adapter 2 can be inserted into the socket 101 more easily.

Preferably, in the present embodiment, a circular table portion 201 is disposed in the middle of the adapter 2, an upper end surface of the circular table portion 201 is in stop fit with an end surface of the air inlet end of the pen body, and a lower end surface of the circular table portion 201 is in stop fit with an end surface of the mounting base 1.

Preferably, in this embodiment, the outer wall of the first end 3 of the adapter 2 is further provided with a sealing ring installation groove 303, a sealing ring is embedded in the sealing ring installation groove 303, and the adapter 2 is in sealing fit with the inner wall of the socket 101 through the sealing ring; the sealing ring has good air tightness, so that gas is not easy to leak, and the normal use of the spray pen is ensured.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims (6)

1. The utility model provides a conversion interface structure of portable spray pen, includes mount pad (1), mount pad (1) fixed connection is to the end of giving vent to anger of air pump, its characterized in that: the connector is characterized by further comprising an adapter (2) connected with the mounting seat (1), wherein the mounting seat (1) is provided with a plug-in port (101), a first end (3) of the adapter (2) is movably inserted into the plug-in port (101), the inner wall of the plug-in port (101) is provided with an annular groove (1011), the outer wall of the first end (3) of the adapter (2) is provided with an annular bulge (301) clamped with the annular groove (1011), and the annular bulge (301) is in axial limiting fit with the annular groove (1011) to enable the adapter (2) to rotate relative to the mounting seat (1); a threaded connecting part (401) is arranged at the second end (4) of the adapter (2), and the adapter (2) is connected to the air inlet end of the spray pen body through the threaded connecting part (401); the air pump is characterized in that the mounting seat (1) and the adapter (2) are matched to form a through air channel, and the air outlet end of the air pump is communicated with the air inlet end of the air-jet pen body through the air channel.

2. The conversion interface structure of a portable spray pen according to claim 1, characterized in that: at least the first end (3) of crossover sub (2) adopts elastic material to make, a plurality of slits (302) have evenly been seted up along the circumferencial direction in the tip of the first end (3) of crossover sub (2), slit (302) along crossover sub (2) axial extension and run through annular arch (301).

3. The convertible interface structure of a portable spray pen according to claim 1, characterized in that: the outer wall of the first end (3) of the adapter (2) is also provided with a sealing ring mounting groove (303), a sealing ring is embedded in the sealing ring mounting groove (303), and the adapter (2) is in sealing fit with the inner wall of the interface (101) through the sealing ring.

4. The convertible interface structure of a portable spray pen according to claim 1, characterized in that: the threaded connection portion (401) is an external thread arranged on the outer wall of the second end (4) of the conversion joint (2).

5. The conversion interface structure of a portable spray pen according to claim 1, characterized in that: the middle part of the adapter (2) is provided with a circular table part (201), the upper end face of the circular table part (201) is matched with the end face of the air inlet end of the spray pen body in a stop mode, and the lower end face of the circular table part (201) is matched with the end face of the mounting seat (1) in a stop mode.

6. The convertible interface structure of a portable spray pen according to claim 1, characterized in that: the inner wall of the end part of the first end (3) of the adapter (2) is provided with a bell mouth (304).

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