CN215084212U - Improved cosmetic injection needle - Google Patents
Improved cosmetic injection needle Download PDFInfo
- Publication number
- CN215084212U CN215084212U CN202121319284.2U CN202121319284U CN215084212U CN 215084212 U CN215084212 U CN 215084212U CN 202121319284 U CN202121319284 U CN 202121319284U CN 215084212 U CN215084212 U CN 215084212U
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- CN
- China
- Prior art keywords
- contact pin
- cover plate
- shell
- rubber shell
- connecting seat
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Abstract
The utility model discloses an improved generation cosmetic syringe needle, by the center post, and a housing, hollow needle and tooth lid, contact pin cover plate and contact pin rubber shell are constituteed, contact pin rubber shell sets up in the shell, the center post sets up in contact pin rubber shell, the contact pin cover plate sets up between center post and contact pin rubber shell, hollow needle passes contact pin rubber shell after fixing on contact pin cover plate, center post bottom portion is provided with square cross-section's connecting seat, contact pin rubber shell internal face seals with the connecting seat outer wall through tooth portion, through keeping two rings of semicircular ring shape recesses of radius 0.5mm at contact pin rubber shell outer wall, can play double-deck sealed effect after putting into the anti-skidding sealing washer; the inserted hollow needle is limited by nine conical contact pin covers in the square contact pin cover plate, so that the sealing effect can be further realized; the spacer with a plurality of liquid seepage holes is additionally arranged between the connecting seat and the pin rubber shell to prevent liquid from reversely seeping, so that leakage liquid is discharged downwards from the liquid seepage holes, and the reverse seepage liquid is prevented from accumulating and leaking from the tooth cover.
Description
Technical Field
The utility model belongs to an instrument for the operation of the beauty surgery, in particular to an improved beauty injection needle.
Background
In order to restore skin luster, doctors usually use a facial beauty injection needle to inject a filler such as hyaluronic acid or a nutrient substance into the superficial layer of skin to increase the elasticity and luster of the skin during beauty surgery.
The existing beauty injection needle has the defects that the sealing performance is not strong, when the liquid medicine is injected into the skin through the injection needle at high pressure and high speed, the liquid medicine leaks out from the upper part or the lower part due to the matching of the high-pressure liquid medicine penetrating through the injection needle, inconvenience is brought to the operation, and the working efficiency is further influenced.
In order to solve the above problems, in the chinese patent application CN2020227735407, "a cosmetic injection needle" filed by the applicant, a tooth portion is provided on the inner wall of the connecting seat and the inner wall of the pin housing to form a cavity, so that the glue is fully adhered and connected to the inner housing of the pin after being filled, and multiple sealing of the pin cover, the pin housing and the hollow needle is realized to prevent liquid leakage.
Further research of the applicant finds that the sealing ring arranged outside the rubber shell of the contact pin is greatly helpful for improving the sealing performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to further improve the structure of cosmetic syringe needle, make the leakproofness obtain further promotion.
The utility model provides a technical scheme that technical problem adopted is: an improved cosmetic injection needle comprises a central column, a shell, a hollow needle, a tooth cover, a needle cover plate and a needle rubber shell, wherein the needle rubber shell is arranged in the shell, the central column is arranged in the needle rubber shell, the needle cover plate is arranged between the central column and the needle rubber shell, the hollow needles uniformly arranged in a 3 x 3 mode penetrate through the needle rubber shell and then are fixed on the needle cover plate, the bottom end part of the central column is provided with a connecting seat with a square cross section, a sealed medicine injection cavity communicated with the hollow needle is formed between the connecting seat and the needle cover plate, the inner wall surface of the needle rubber shell is sealed with the outer wall surface of the connecting seat through a tooth part, one or more annular grooves are formed in the outer wall surface of the needle rubber shell, sealing rings are arranged on the annular grooves, the needle cover plate comprises a square needle cover plate with a mounting hole and nine conical needle covers positioned in the mounting hole, and the conical needle covers are limited for the inserted hollow needle, a spacer is arranged between the connecting seat and the contact pin rubber shell, and a plurality of liquid seepage holes are formed in the spacer.
The radius of the annular groove of the improved cosmetic injection needle is 0.5mm, and the positions 3mm away from the upper side and the lower side are respectively provided with one needle.
The improved cosmetic injection needle is 1.2mm in spacer thickness, 2-8 in number of liquid seepage holes and 0.2mm in diameter.
The tooth cover of the improved cosmetic injection needle is buckled and connected with the shell through the buckling position.
The improved cosmetic injection needle is characterized in that a negative pressure pipe joint is transversely led out of the shell of the improved cosmetic injection needle.
The utility model has the advantages that: two circles of semi-circular grooves with the radius of 0.5mm are reserved on the outer wall surface of the pin rubber shell, and a double-layer sealing effect can be achieved after the anti-skid sealing rings are arranged; the inserted hollow needle is limited by nine conical contact pin covers in the square contact pin cover plate, so that the sealing effect can be further realized; the spacer with a plurality of liquid seepage holes is additionally arranged between the connecting seat and the pin rubber shell to prevent liquid from reversely seeping, so that leakage liquid is discharged downwards from the liquid seepage holes, and the reverse seepage liquid is prevented from accumulating and leaking from the tooth cover.
Drawings
Fig. 1 is an exploded perspective view of the present invention;
fig. 2 is a side view of the present invention.
The figures are numbered: 1-center post, 11-connecting seat, 2-tooth lid, 3-shell, 31-negative pressure coupling, 4-hollow needle, 51-contact pin apron, 52-contact pin lid, 6-contact pin rubber shell, 61-annular groove, 62-sealing washer, 7-tooth portion, 9-spacer, 91-weeping hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, which are as follows.
Referring to fig. 1 and 2, the invention discloses an improved cosmetic injection needle, which comprises a central column 1 connected with an injector, a shell 3 used for clinging to skin, a hollow needle 4 used for conveying liquid medicine, a tooth cover 2, a needle cover plate and a needle rubber shell 6, wherein the needle rubber shell 6 is arranged in the shell 3, the central column 1 is arranged in the needle rubber shell 6, the needle cover plate is arranged between the central column 1 and the needle rubber shell 6, the hollow needle 4 penetrates through the needle rubber shell 6 and then is inserted and fixed on the needle cover plate, a connecting seat 11 with a square cross section is arranged at the bottom end part of the central column 1, a sealed medicine injection cavity communicated with the hollow needle 4 is formed between the connecting seat 11 and the needle cover plate, and the inner wall surface of the needle rubber shell 6 is sealed with the outer wall surface of the connecting seat 11 through the tooth part 7.
Compared with the prior cosmetic injection needle, the outer wall surface of the pin rubber shell 6 of the utility model is provided with one or more annular grooves 61, the annular groove 61 is provided with a sealing ring 62, wherein the outer wall surface of the pin rubber shell 6 is provided with two circles of semi-circular annular grooves 61 with the radius of 0.5mm, the distance between the two circles of semi-circular annular grooves 61 and the upper edge and the lower edge is respectively 3mm, the anti-skid sealing ring 62 is arranged to play a double-layer sealing role, the pin cover plate consists of a square pin cover plate 51 with a mounting hole and nine conical pin cover plates 52 positioned in the mounting hole, the conical pin cover plates 52 limit the inserted hollow pin 4, the pin cover plate 52 made of silica gel or other materials can further play a sealing role, the spacer 9 is arranged between the connecting seat 11 and the pin rubber shell 6, the spacer 9 is provided with a plurality of liquid seepage holes 91, the thickness of the spacer 9 is 1.2mm, 2-8 liquid seepage holes 91 with the diameter of 0.2mm are arranged at the position of the middle layer of the spacer 9 and the edge 1mm, the purpose of preventing liquid reverse osmosis is achieved, and the leakage liquid is discharged downwards from the liquid seepage hole 91, so that the reverse osmosis liquid is prevented from accumulating and leaking from the tooth cover 2.
The utility model discloses a using-way does not change: the syringe is connected with center post 1, and nine hollow needles 4 are evenly injected into to the cavity that liquid medicine formed through center post 1 and contact pin cover plate, and skin pierces the back liquid medicine and arrives the skin tissue through hollow needle 4, thereby can adjust the depth that the protruding length of needle made skin puncture through rotatory tooth lid 2 and can adjust, and liquid medicine arrives different depths.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that a plurality of modifications and improvements may be made without departing from the inventive concept of the present invention, and all of these modifications and improvements fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides an improved generation cosmetic syringe needle, by center post (1), shell (3), hollow needle (4) and tooth lid (2), contact pin cover plate and contact pin glue shell (6) are constituteed, contact pin glue shell (6) set up in shell (3), center post (1) sets up in contact pin glue shell (6), the contact pin cover plate sets up between center post (1) and contact pin glue shell (6), hollow needle (4) pass contact pin glue shell (6) after-fixing on the contact pin cover plate, center post (1) bottom portion is provided with square cross section's connecting seat (11), connecting seat (11) and contact pin cover plate between form the sealed injection chamber that communicates with hollow needle (4), contact pin glue shell (6) internal face and seal through tooth portion (7) and connecting seat (11) outer wall face, its characterized in that: the outer wall surface of the pin rubber shell (6) is provided with one or more annular grooves (61), the annular grooves (61) are provided with sealing rings (62), the pin cover plate consists of a square pin cover plate (51) with a mounting hole and a conical pin cover (52) positioned in the mounting hole, a spacer (9) is arranged between the connecting seat (11) and the pin rubber shell (6), and the spacer (9) is provided with a plurality of liquid seepage holes (91).
2. An improved cosmetic injection needle according to claim 1, wherein the annular recesses (61) have a radius of 0.5mm and are located one each at a distance of 3mm from the upper and lower edges.
3. An improved cosmetic injection needle according to claim 1, characterized in that the spacer (9) has a thickness of 1.2mm, the number of the weep holes (91) is 2-8, and the diameter is 0.2 mm.
4. An improved cosmetic injection needle according to claim 1, 2 or 3, characterized in that said dental cap (2) is snap-fitted to the casing (3).
5. An improved cosmetic injection needle according to claim 1 or 2, characterized in that a negative pressure pipe joint (31) is transversely led out from the casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319284.2U CN215084212U (en) | 2021-06-15 | 2021-06-15 | Improved cosmetic injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319284.2U CN215084212U (en) | 2021-06-15 | 2021-06-15 | Improved cosmetic injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215084212U true CN215084212U (en) | 2021-12-10 |
Family
ID=79306276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121319284.2U Active CN215084212U (en) | 2021-06-15 | 2021-06-15 | Improved cosmetic injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215084212U (en) |
-
2021
- 2021-06-15 CN CN202121319284.2U patent/CN215084212U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |