CN213799078U

CN213799078U - Head structure of spray pen

Info

Publication number: CN213799078U
Application number: CN202022466562.9U
Authority: CN
Inventors: 沈武军
Original assignee: Ningbo Bida Machinery Manufacturing Co ltd
Current assignee: Ningbo Bida Machinery Manufacturing Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-27
Anticipated expiration: 2030-10-30
Also published as: WO2022089116A1

Abstract

The utility model relates to a spray pen head structure, including the spray pen handle body and shower nozzle, at the internal spray needle that is equipped with of spray pen handle, be equipped with the nozzle in the shower nozzle, the internal card of spray pen handle has the nozzle holder, is provided with air passage between the spray pen handle body and nozzle holder, nozzle rear end threaded connection is in the nozzle holder, and the middle part outer wall of nozzle passes through conical surface cooperation with the front end inner wall of nozzle holder simultaneously, the rear end inner wall of shower nozzle and the front end outer wall threaded connection of the spray pen handle body, just nozzle front end run through the shower nozzle rear portion and stretch out the shower nozzle, shower nozzle inner wall and nozzle outer wall offset, have the nozzle cap at the front end threaded connection of shower nozzle. The whole loading and unloading of this structure is convenient, the later stage is convenient for wash and change, can guarantee the concentricity of nozzle and handle body simultaneously, makes the spraying evenly fine and smooth.

Description

Head structure of spray pen

Technical Field

The utility model relates to a technical field of spray pen, more specifically relate to a spray pen head structure.

Background

With the rapid development of science and technology, the application of the spray pen is diversified and specialized day by day, and the spray pen is involved in all fields related to the beautification of people's life, works are commonly seen in art halls, commercial drawings, cover designs, advertisement photography, calendars, paintings and architectural drawings, and the spray painting by using the spray pen is an important expression technique in art painting.

The quality of a spray head structure in the spray pen technology directly influences the quality of paint finally sprayed by the spray pen, and the existing spray head has the following problems: 1. the nozzle and the handle body are clamped through a plane, then the nozzle and the handle body are sealed through the sealing ring, and the sealing effect of the sealing ring is poor along with the delay of time, so that the problem of poor sealing performance is easy to occur; 2. when the whole structure is sealed by the sealing ring, the sealing ring is required to be tightly matched, so that the installation and the disassembly are inconvenient, and the later-period disassembly and cleaning are also relatively inconvenient; 3. in addition, when the spray nozzle is clamped on the plane, the concentricity of the spray nozzle and the handle body cannot be guaranteed, so that the spray nozzle is uneven, the spray effect is affected, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a loading and unloading are convenient, later stage is convenient for wash and change, can guarantee the concentricity of nozzle and handle body simultaneously, make the even exquisite spray pen head structure of spraying.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a spray pen head structure, includes the spray pen handle body and shower nozzle, is equipped with the spray needle at the internal spray needle that is equipped with of spray pen handle, is equipped with the nozzle in the shower nozzle, has the nozzle holder at the internal card of spray pen handle, is provided with air passage between the spray pen handle body and nozzle holder, nozzle rear end threaded connection is in the nozzle holder, and the middle part outer wall of nozzle passes through conical surface cooperation with the front end inner wall of nozzle holder simultaneously, the rear end inner wall of shower nozzle and the front end outer wall threaded connection of spray pen handle body, just the nozzle front end run through shower nozzle rear portion and stretch out the shower nozzle, shower nozzle inner wall and nozzle outer wall offset, have the nozzle cap at the front end threaded connection of shower nozzle.

Preferably, for convenience of installation, a first step surface is arranged on the inner wall of the spray pen handle body, a second step surface matched with the first step surface is arranged on the outer wall of the nozzle seat, one side of the second step surface is opposite to one side of the first step surface, and a gap is generated between the other side of the second step surface and the other side of the first step surface to form the air channel.

Preferably, for the convenience of installation, the tapered surface includes a first tapered portion located on the inner wall of the front end of the nozzle holder and a second tapered portion located on the outer wall of the middle portion of the nozzle, the first tapered portion and the second tapered portion are attached to each other, and a threaded connection portion is provided at the rear end of the tapered surface.

Preferably, for convenience of installation, the air passages are provided between the head and the nozzle holder and between the head tip and the nozzle tip, and the paint passages are provided between the needle and the nozzle, the nozzle holder, and the pen handle.

Preferably, for convenience of installation, a third step surface is arranged on the inner wall of the middle part of the spray head, and a fourth step surface matched with the third step surface is arranged on the outer wall of the middle part of the spray nozzle.

Compared with the prior art, the utility model discloses following technological effect has: the spray nozzle is connected with the spray pen handle body through the nozzle seat, the air channel is arranged between the nozzle seat and the spray pen handle body, the spray nozzle is connected with the nozzle seat through the threads, and after the spray nozzle is connected with the front end of the nozzle seat through the threads, the taper and taper matching of the spray nozzle and the front end of the nozzle seat is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of a head structure of a spray pen in this embodiment 1;

fig. 2 is an enlarged view at a in fig. 1.

Wherein: the paint sprayer comprises a nozzle cap 1, a nozzle head 2, a nozzle 3, a nozzle holder 4, a spray pen handle body 5, a spray needle 6, an air channel 7, a conical surface 8, a first step surface 9, a second step surface 10, a first conical part 11, a second conical part 12, a threaded connecting part 13, a paint channel 14, a third step surface 15 and a fourth step surface 16.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

Example 1:

as shown in fig. 1 and fig. 2, the structure of the head of the spray pen disclosed in this embodiment includes a handle body 5 of the spray pen and a nozzle 2, a spray needle 6 is provided in the handle body 5 of the spray pen, and a nozzle 3 is provided in the nozzle 2, and is characterized in that: the inside card of the spray pen handle body 5 has a nozzle holder 4, is provided with air passage 7 between the spray pen handle body 5 and the

nozzle holder

4, 3 rear end threaded connection of nozzle have in the nozzle holder 4, and the middle part outer wall of nozzle 3 and the front end inner wall of nozzle holder 4 have finally guaranteed nozzle and spray pen handle body 5's concentricity through the cooperation of conical surface 8 simultaneously, the rear end inner wall of shower nozzle 2 and the front end outer wall threaded connection of spray pen handle body 5 are in order to improve the steadiness that shower nozzle and spray pen handle body 5 are connected, just 3 front ends of nozzle run through shower nozzle 2 rear portion and stretch out

shower nozzle

2, 2 inner walls of shower nozzle offset with 3 outer walls of nozzle, have nozzle cap 1 at the front end threaded connection of shower nozzle 2.

Preferably, for convenience of installation, a first step surface 9 is provided on the inner wall of the pen handle body 5, a second step surface 10 matched with the first step surface 9 is provided on the outer wall of the nozzle holder 4, one side of the second step surface 10 is opposite to one side of the first step surface 9, the other side of the second step surface 10 is spaced from the other side of the first step surface 9 to form the air passage 7, and the air passage 7 can be communicated with an air source on the pen handle body 5.

Preferably, for the convenience of installation, the tapered surface includes a first tapered portion 11 located on the inner wall of the front end of the nozzle holder 4 and a second tapered portion 12 located on the outer wall of the middle portion of the nozzle 3, the first tapered portion 11 and the second tapered portion 12 are attached, and a threaded connection portion 13 is provided at the rear end of the tapered surface 8.

Preferably, the air passages 7 are provided between the head 2 and the nozzle holder 4 and between the tip of the head 2 and the tip of the nozzle 3, and the paint passages 14 are provided between the needle 6 and the nozzle 3, the nozzle holder 4, and the handle 5, for easy installation.

Preferably, for convenience of installation, a third step surface 15 is provided on an inner wall of a middle portion of the head 2, and a fourth step surface 16 engaged with the third step surface 15 is provided on an outer wall of the middle portion of the nozzle 3.

When the structure is assembled, the nozzle seat 4 is connected with the spray pen handle body 5, an air channel is arranged between the nozzle seat 4 and the spray pen handle body 5, the nozzle 3 and the nozzle seat 4 are connected through threads firstly, and after the connection is carried out along with the threads, the matching of taper and taper of the front end of the nozzle 3 and the front end of the nozzle seat 4 is ensured.

Of course, the above is only a specific application example of the present invention, and the protection scope of the present invention is not limited at all. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a spray pen head structure, includes the spray pen handle body (5) and shower nozzle (2), is equipped with spray needle (6) in the spray pen handle body (5), is equipped with nozzle (3) in shower nozzle (2), its characterized in that: the internal card of pen spraying handle body (5) has nozzle holder (4), is provided with air passage (7) between pen spraying handle body (5) and nozzle holder (4), nozzle (3) rear end threaded connection is in nozzle holder (4), and the middle part outer wall of nozzle (3) passes through conical surface (8) cooperation with the front end inner wall of nozzle holder (4) simultaneously, the rear end inner wall of shower nozzle (2) and the front end outer wall threaded connection of pen spraying handle body (5), just nozzle (3) front end run through shower nozzle (2) rear portion and stretch out shower nozzle (2), shower nozzle (2) inner wall and nozzle (3) outer wall offset, have nozzle cap (1) at the front end threaded connection of shower nozzle (2).

2. A structure of a head of a spray pen according to claim 1, characterized in that: the inner wall of the spray pen handle body (5) is provided with a first step surface (9), the outer wall of the nozzle seat (4) is provided with a second step surface (10) matched with the first step surface (9), one side of the second step surface (10) is opposite to one side of the first step surface (9), and the other side of the second step surface (10) and the other side of the first step surface (9) generate a space to form the air channel (7).

3. A structure of a head of a spray pen according to claim 2, characterized in that: the conical surface comprises a first conical part (11) located on the inner wall of the front end of the nozzle seat (4) and a second conical part (12) located on the outer wall of the middle part of the nozzle (3), the first conical part (11) is attached to the second conical part (12), and a threaded connecting part (13) is arranged at the rear end of the conical surface (8).

4. A structure of a head of a spray pen according to claim 3, characterized in that: the air channels (7) are arranged between the spray head (2) and the nozzle seat (4) and between the front end of the spray head (2) and the front end of the spray nozzle (3), and the pigment channels (14) are arranged between the spray needle (6) and the spray nozzle (3), between the nozzle seat (4) and between the spray pen handle body (5).

5. A structure of a head of a spray pen according to claim 3, characterized in that: a third step surface (15) is arranged on the inner wall of the middle part of the spray head (2), and a fourth step surface (16) matched with the third step surface (15) is arranged on the outer wall of the middle part of the spray nozzle (3).