CN107050637B

CN107050637B - Full-throwing type integrated injection molding tattooing needle head

Info

Publication number: CN107050637B
Application number: CN201710173499.XA
Authority: CN
Inventors: 倪璋璋
Original assignee: Wujiang City Shenling Beauty Medical Appliance Co ltd
Current assignee: Wujiang City Shenling Beauty Medical Appliance Co ltd
Priority date: 2017-03-22
Filing date: 2017-03-22
Publication date: 2023-06-20
Anticipated expiration: 2037-03-22
Also published as: CN107050637A

Abstract

The invention discloses a full-throwing type integral injection molding embroidery needle head which is detachably connected with the front end part of an embroidery machine, and comprises a hollow tubular barrel body, a positioning sleeve arranged at the front end part of the barrel body, a needle body arranged in the embroidery needle head, and an elastic piece with a trend of pushing the needle body to the rear of the embroidery needle head, wherein the rear end part of the barrel body is provided with a clamping part connected with the embroidery machine, the clamping part comprises a guide part arranged along the length direction of the embroidery needle head and a breakable locking part, the locking part is matched with the front end part of the embroidery machine and locks the embroidery needle head with the embroidery machine, a gap is arranged between the guide part and the locking part, and the locking part is easy to break when being subjected to transverse force.

Description

Full-throwing type integrated injection molding tattooing needle head

Technical Field

The invention relates to the field of beauty equipment, in particular to a full-throwing type integral injection molding embroidery needle head.

Background

Along with the improvement of living standard, the distance between the beauty treatment and the daily life of people is more and more shortened, and the defect of poor eyebrow lines can be remedied in a eyebrow tattooing mode, namely, the eyebrows of people can be textured and repaired by operating the tattooing machine by a beauty treatment operator.

At present, a tattooing machine appears in the market, and a metal needle on the tattooing machine is mechanically driven to move back and forth along the length direction so as to puncture the skin and tattoos pigment on the skin. However, the metal needles for eyebrow tattooing are usually connected by glue, are easy to fall off, cause the danger of flying needles, and have different lengths of the extending parts of the metal needles bonded by the glue, so that the metal needles are inconvenient to use.

Meanwhile, as the eyebrow tattooing needs to pierce the skin, the eyebrow tattooing can directly contact the blood of a human body, and belongs to a disposable article. However, in some beauty places, in order to save the cost, the embroidery needle is reused illegally, so that the possibility of blood infectious diseases transmission is caused, and serious hidden danger is brought to the beauty safety.

Disclosure of Invention

The invention aims to provide a full-throwing type integral injection molding embroidery needle head.

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

the utility model provides a full throwing type integrative injection molding line embroidering needle head, is connected with the front end detachable of line embroidering machine, and it includes hollow tubular barrel, setting are in the spacer of barrel front end, setting are in the needle body in the line embroidering needle head, and have the elastic component that will the trend that the needle body promoted to the rear of line embroidering needle head, the rear end of barrel has the joint portion of being connected with line embroidering machine, joint portion includes along the guiding portion that line embroidering needle head length direction set up and the breakable locking part, locking part with line embroidering machine front end cooperation will line embroidering needle head with line embroidering machine locks mutually, guiding portion with be provided with the clearance between the locking part, when the locking part receives transverse force, easily break.

Preferably, a frangible groove is formed at the joint of the locking part and the cylinder body.

Further preferably, the locking part comprises a lock hook and a connecting part for connecting the lock hook and the cylinder body, and the frangible groove is arranged on the outer side of the connecting part.

Further preferably, the frangible groove occupies at least 1/2 of the cross section of the connecting portion.

Preferably, the connecting portion is injection molded from plastic.

Preferably, the tensile strength of the plastic is sigma, 200N/cm ² ≤σ≤500N/cm ² 。

Preferably, the needle body comprises a metal needle and a needle bar integrally injection-molded with the metal needle.

Further preferably, the needle body rod penetrates through the positioning sleeve and the cylinder body in a sliding manner, the joint of the needle rod and the metal needle protrudes outwards to form a limiting part, the positioning sleeve is provided with a positioning hole for guiding the metal needle, the rear part of the cylinder body is provided with a guiding hole for guiding the needle rod, and the positioning hole and the guiding hole respectively limit the front end and the rear end of the sliding position of the limiting part.

Further preferably, the metal needle comprises at least two needle units welded together.

It is further preferred that the weld of adjacent metallic needles is 1-2cm near the tip of the needle.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

because the locking part is easy to break when being subjected to transverse force, the locking part is broken after being subjected to tangential force when being pulled out from the embroidery machine and cannot be used continuously, thereby preventing the embroidery needle from being reused technically.

The metal needle and the needle rod are integrally injection molded, so that the length of the produced needle body can be kept consistent, the problem of uneven distribution can be avoided, the injection molding is more firm, and the flying needle danger caused by falling of the metal needle is avoided when the injection molding machine is used.

Drawings

FIG. 1 is a schematic diagram of the present invention in a principal cross-section;

FIG. 2 is a schematic view of a main section of a cartridge;

FIG. 3 is a right side view of the cartridge;

fig. 4 is a schematic top view of the cartridge.

In the above figures: 1. a cylinder; 11. a guide part; 12. a locking part; 121. the lock hook is connected; 122. a connection part; 13. a gap; 14. an easy breaking groove; 15. a guide hole; 16. a feed hole; 2. a positioning sleeve; 3. a needle body; 31. a metal needle; 32. a needle bar; 33. a limit part; 4. an elastic member.

Detailed Description

The invention is further described below with reference to an embodiment shown in the drawings in which:

embodiment one: referring to fig. 1, a full-throwing type integral injection molding embroidery needle is detachably connected with the front end of an embroidery machine, and comprises a hollow tubular cylinder 1, a positioning sleeve 2 arranged at the front end of the cylinder 1, a needle body 3 arranged in the embroidery needle, and an elastic piece 4 with a trend of pushing the needle body 3 to the rear of the embroidery needle, wherein the rear end of the cylinder 1 is provided with a clamping part connected with the embroidery machine, the clamping part comprises a guide part 11 arranged along the length direction of the embroidery needle and a frangible locking part 12, the locking part 12 is matched with the front end of the embroidery machine and locks the embroidery needle with the embroidery machine, a gap 13 is arranged between the guide part 11 and the locking part 12, and the locking part 12 is easy to break when being subjected to tangential force. Wherein the breaking force of the locking portion 12 is optimal at 20N-50N. When the novel embroidery machine is used, the embroidery needle is connected with the embroidery machine through the locking part 12, and when the embroidery needle needs to be replaced, the embroidery needle is swayed forcefully left and right, wherein the locking part 12 breaks after being subjected to tangential force, and the embroidery needle is pulled out from the embroidery machine. The embroidery needle after the breakage of the locking portion 12 cannot be connected with the embroidery machine again, thereby preventing the possibility that the embroidery needle is reused.

Specifically, the connection part of the locking part 12 and the cylinder body 1 is provided with a frangible groove 14, the locking part 12 comprises a locking hook 121 and a connecting part 122 for connecting the locking hook 121 and the cylinder body 1, the frangible groove 14 is arranged at the outer side of the connecting part 122, and the frangible groove 14 at least occupies 1/2 of the cross section of the connecting part 122.

Wherein the connecting part 122 or the whole cylinder body 1 is formed by plastic injection molding, and the tensile strength of the injection molded plastic is sigma, 200N/cm ² ≤σ≤500N/cm ² 。

The needle body 3 includes a metal needle 31 and a needle bar 32 integrally injection-molded with the metal needle 31. Precision can be guaranteed in the injection molding, so that the length of the produced needle body 3 can be kept consistent, the problem of uneven distribution can be avoided, the injection molding is firmer, and the flying needle danger caused by falling of the metal needle 31 is avoided in use.

The metal needle 31 may be a single needle or a plurality of needle units welded together, and the plurality of needle units are arranged in parallel with each other with their heads and tails aligned, and may be arranged in rows or in clusters. Specifically, the welding portion of the adjacent metal needle 31 is 1-2cm close to the tip of the needle.

The needle body 3 rod penetrates through the locating sleeve 2 and the cylinder body 1 in a sliding mode, the joint of the needle rod 32 and the metal needle 31 protrudes outwards to form a limiting part 33, the locating sleeve 2 is provided with a locating hole 21 for guiding the metal needle 31, the rear part of the cylinder body 1 is provided with a guide hole 15 for guiding the needle rod 32, and the locating hole 21 and the guide hole 15 limit the front end and the rear end of the sliding position of the limiting part 33 respectively.

The tail of the needle bar 32 extends out of the rear end of the cylinder 1 and extends to two sides, the elastic piece 4 is sleeved on the needle bar 32 and is positioned between the blocking part and the cylinder 1, the elastic piece 4 adopts a plastic spring in the embodiment, and a metal pressure spring can also be adopted in other embodiments.

The cylinder 1 is also provided with a charging hole 16 for charging pigment into the cylinder 1, and the pigment can be added into the cylinder 1, thereby facilitating the use of the tattooing needle.

In summary, the tattooing needle head according to the embodiment can prevent the occurrence of flying needles during use, and can prevent the possibility of repeated use of the tattooing needle head after use.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. The utility model provides a full throwing type integrative injection molding line embroidering needle head, is connected with the front end detachable of line embroidering machine, and it includes hollow tubular barrel, sets up the spacer sleeve of barrel front end, set up needle body in the line embroidering needle head, and have with the elastic component of the trend that the back of line embroidering needle head was pushed to the needle body, the rear end of barrel has the joint portion of being connected with line embroidering machine, its characterized in that:

the clamping part comprises a guide part and a breakable locking part, wherein the guide part is arranged along the length direction of the embroidery needle head, the breakable locking part is matched with the front end part of the embroidery machine and locks the embroidery needle head and the embroidery machine, a gap is arranged between the guide part and the locking part, and the locking part is breakable when being subjected to transverse force;

the needle body comprises a metal needle and a needle rod which is integrally injection molded with the metal needle;

the elastic piece is sleeved on the needle bar and is positioned between the blocking part and the cylinder body,

a breakable groove is formed at the joint of the locking part and the cylinder;

the locking part comprises a lock hook and a connecting part for connecting the lock hook and the cylinder body, and the frangible groove is arranged at the outer side of the connecting part;

the needle bar penetrates through the locating sleeve and the cylinder body in a sliding mode, the joint of the needle bar and the metal needle protrudes outwards to form a limiting part, the locating sleeve is provided with a locating hole for guiding the metal needle, the rear part of the cylinder body is provided with a guide hole for guiding the needle bar, and the locating hole and the guide hole limit the front end and the rear end of the sliding position of the limiting part respectively.

2. The full-throwing type integral injection molding embroidery needle according to claim 1, wherein:

the frangible groove occupies at least 1/2 of the cross section of the connecting portion.

3. The full-throwing type integral injection molding embroidery needle according to claim 1, wherein:

the connecting part is formed by plastic injection molding.

4. A full-jettisoned integrally injection molded embroidered needle according to claim 3, wherein:

the tensile strength of the plastic is sigma, and sigma is more than or equal to 200N/cm < 2 > and less than or equal to 500N/cm < 2 >.

5. The full-throwing type integral injection molding embroidery needle according to claim 1, wherein:

the metal needle comprises at least two needle units welded together.

6. The full-throwing type integral injection molding embroidery needle of claim 5, wherein:

the welding part of the adjacent metal needle is 1 cm to 2cm close to the needle tip.