CN219963737U

CN219963737U - Injection syringe

Info

Publication number: CN219963737U
Application number: CN202321245161.8U
Authority: CN
Inventors: 王彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-11-07
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses an injector, which comprises an injection tube, wherein the inside of the injection tube is of a cavity structure, a push handle is axially arranged in the injection tube, a push plug is arranged at the inner end of the push handle, the push plug is arranged in the injection tube, and a push cap is arranged at the outer end of the push handle; the front end of the injection tube is provided with an injection head and a positioning tube, the positioning tube is sleeved on the outer peripheral surface of the injection head, and a primary sealing cavity is arranged between the inner peripheral surface of the positioning tube and the outer peripheral surface of the injection head; the primary sealing cavity is provided with a sealer; the inside of the sealer is provided with a sealing plug, the front end part of the sealing plug is provided with an opening, the inside of the front end of the sealing plug is provided with a secondary sealing cavity, and the inside of the rear end of the sealing plug is provided with a sealing solid body; the front end of the sealing plug is arranged in the primary sealing cavity, and the injection head is arranged in the secondary sealing cavity. The utility model has good sealing effect, can realize multistage sealing and is convenient for storing cosmetic liquid.

Description

Injection syringe

Technical Field

The utility model relates to an injector, in particular to a cosmetic injector.

Background

Syringes are a common medical device that uses a needle to withdraw or inject gas or liquid. Syringes may also be used for injection of medical devices, containers, such as scientific instruments in chromatography, through rubber diaphragms. The advent of syringes is an epoch-making revolution in the medical device field. This process of drawing, injecting a gas or liquid with a needle is called injection. The injector consists of a needle cylinder with a small hole at the front end and a matched piston core rod, and is used for injecting a small amount of liquid or the liquid into areas inaccessible to other methods or extracting the liquid or the gas from the places, wherein the liquid or the gas is sucked from the small hole at the front end of the needle cylinder when the core rod is pulled out, and the liquid or the gas is extruded when the core rod is pushed in. The existing syringes, especially cosmetic syringes, have poor sealing performance, do not have multistage sealing effect, and have poor sealing and storage effects on cosmetic liquid in the syringes.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art, thereby providing the cosmetic injector which has good sealing effect and can realize multistage sealing.

The technical problems of the utility model are mainly solved by the following technical proposal:

the injector for cosmetic use comprises an injection tube, wherein the inside of the injection tube is of a cavity structure, a push handle is axially arranged in the injection tube, a push plug is arranged at the inner end of the push handle, the push plug is arranged in the injection tube, and a push cap is arranged at the outer end of the push handle; the front end of the injection tube is provided with an injection head and a positioning tube, the positioning tube is sleeved on the outer peripheral surface of the injection head, and a primary sealing cavity is arranged between the inner peripheral surface of the positioning tube and the outer peripheral surface of the injection head; the primary sealing cavity is provided with a sealer; the sealer is connected with the positioning pipe through threads; the inside of the sealer is provided with a sealing plug, the front end part of the sealing plug is provided with an opening, the inside of the front end of the sealing plug is provided with a secondary sealing cavity, and the inside of the rear end of the sealing plug is provided with a sealing solid body; the front end of the sealing plug is arranged in the primary sealing cavity, and the injection head is arranged in the secondary sealing cavity.

Further, the front end face of the injection head is in contact with the sealing solid body; the external facing surface of the sealing solid body is provided with a sealing insert core which is arranged in the injection head; the sealer comprises a limit column, one end of the limit column is provided with a thread column, the thread column is arranged in the primary sealing cavity, and the thread column is connected with the positioning pipe through threads; the other end of the limit column is provided with a plug-in column, and the peripheral surface of the plug-in column is provided with a rotary column.

Further, the sealing plug comprises an outer rubber plug and an inner rubber plug, the outer rubber plug and the inner rubber plug are connected into an integrated structure, and the diameter of the outer rubber plug is larger than that of the inner rubber plug; the opening, the secondary sealing cavity and the sealing solid body form an inner rubber plug; the outer surface of the injection tube is provided with capacity scales; the outer peripheral surface of the positioning pipe is provided with a plurality of equidistant anti-slip strips which are arranged in parallel with the axial direction of the positioning pipe, and an anti-slip groove is arranged between two adjacent anti-slip strips.

Further, a convex ring is arranged at the rear end of the injection tube; the convex ring is arranged on the injection aid; the injection aid comprises a shell, wherein an extension shell is arranged on the front surface of the middle position of the shell, and the extension shell and the shell are of an integrated structure; a clamping cavity is arranged in the middle of the shell, a main clamping groove is formed in the extension shell, and an auxiliary clamping groove is formed in the back of the middle of the shell; the convex ring is arranged in the clamping cavity, the connection part of the positioning pipe and the convex ring is arranged in the main clamping groove, and the contact part of the push handle convex ring is arranged in the auxiliary clamping groove; the diameter of the clamping cavity is larger than that of the main clamping groove, and the diameter of the main clamping groove is larger than that of the auxiliary clamping groove; cavities are arranged at two ends of the shell, and the cavities are arranged at two sides of the clamping cavity; the two sides of the bottom of the shell are provided with lower concave cavities, and the two sides of the top of the shell are provided with upper concave cavities; the two sides of the front surface of the shell are provided with inward concave cavities, and the two sides of the back surface of the shell are provided with outwards convex cambered surfaces.

The cosmetic and beauty injector adopting the technical proposal stores cosmetic and beauty liquid in the injection tube, the injection head is sealed by the sealer, and the inside of the injection tube is sealed by the plunger, thereby the cosmetic and beauty liquid is sealed in the injection tube between the injection head and the plunger; the sealer and the positioning tube which are in threaded connection are convenient to assemble and good in tightness; the inner peripheral surface of the positioning tube and the outer peripheral surface of the injection head are subjected to primary sealing operation through the primary sealing cavity; the secondary sealing operation of the injection head is realized through the secondary sealing cavity; greatly improves the sealing effect of the injector and ensures that the cosmetic liquid is sealed in the injection tube. When the cosmetic liquid injector needs to be used, a user only needs to open the sealer, the user manually pushes the push cap, the push cap drives the push handle to push the push plug, and the cosmetic liquid in the injection tube is pushed out from the injection head through the push plug, so that the cosmetic liquid injector is convenient for the user to use.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the structure of a cosmetic injector according to the present utility model.

Fig. 2 is a schematic structural view of the sealer according to the present utility model.

Fig. 3 is a side view of the push handle and push cap of the present utility model.

Fig. 4 is a schematic structural view of the syringe according to the present utility model.

Fig. 5 is a schematic structural view of the positioning tube according to the present utility model.

Fig. 6 is a schematic view of the structure of the injection aid according to the present utility model.

Fig. 7 is a front view of the injection aid according to the present utility model.

Fig. 8 is a rear view of the injection aid of the present utility model.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

As shown in fig. 1 to 8, a cosmetic injector comprises a syringe 1, wherein the inside of the syringe 1 is of a cavity structure, a push handle 4 is axially arranged on the syringe 1, a push plug 5 is arranged at the inner end of the push handle 4, the push plug 5 is arranged in the syringe 1, and a push cap 6 is arranged at the outer end of the push handle 4; the front end of the injection tube 1 is provided with an injection head 2 and a positioning tube 3, the positioning tube 3 is sleeved on the outer peripheral surface of the injection head 2, and a primary sealing cavity is arranged between the inner peripheral surface of the positioning tube 3 and the outer peripheral surface of the injection head 2; the primary sealing cavity is provided with a sealer 7; the sealer 7 is connected with the positioning tube 3 through threads; a sealing plug 8 is arranged in the sealer 7, an opening 9 is arranged at the front end part of the sealing plug 8, a secondary sealing cavity 10 is arranged in the front end of the sealing plug 8, and a sealing solid 11 is arranged in the rear end of the sealing plug 8; the front end of the sealing plug 8 is arranged in the primary sealing cavity, and the injection head 2 is arranged in the secondary sealing cavity 10.

In the cosmetic injector of the present utility model, the syringe 1 stores cosmetic liquid, the injector head 2 is sealed by the sealer 7, and the inside of the syringe 1 is sealed by the plunger 5, so that the cosmetic liquid is sealed in the syringe 1 between the injector head 2 and the plunger 5; the sealer 7 in threaded connection is convenient to assemble with the positioning tube 3 and good in tightness; the inner peripheral surface of the positioning tube 3 and the outer peripheral surface of the injection head 2 are subjected to primary sealing operation through the primary sealing cavity; the secondary sealing operation of the injection head 2 is realized through the secondary sealing cavity 10; the sealing effect of the injector is greatly improved, and the cosmetic liquid is sealed in the injection tube 1. When the injector is needed to be used, a user only needs to open the sealer 7, the user manually pushes the push cap 6, the push cap 6 drives the push handle 4 to push the push plug 5, and the cosmetic liquid in the injection tube 1 is pushed out from the injection head 2 through the push plug 5, so that the cosmetic liquid is convenient for the user to use.

Preferably, the front end face of the injection head 2 is in contact with the sealing solid 11; the outward facing surface of the sealing solid body 11 is provided with a sealing insert core 12, and the sealing insert core 12 is arranged in the injection head 2; the front end face of the injection head 2 is sealed again through the sealing solid body 11, and the interior of the injection head 2 is sealed again through the sealing insert core 12, so that the three-level sealing effect is realized, the sealing effect of the injector is greatly improved, and the cosmetic liquid is sealed in the injection tube 1.

Preferably, the sealer 7 comprises a limit post 13, one end of the limit post 13 is provided with a thread post 14, the thread post 14 is arranged in the primary sealing cavity, and the thread post 14 is connected with the positioning pipe 3 through threads; the other end of the limit column 13 is provided with a plug-in column 15, and the peripheral surface of the plug-in column 15 is provided with a rotary column 16; the sealer 7 is formed by the limiting column 13, the threaded column 14, the inserting column 15 and the rotating column 16, the threaded column 14 and the positioning tube 3 are conveniently assembled through threaded connection, the rotating column 16 is convenient for a user to rotate the sealer 7, and an operator conveniently removes the sealer 7 from the injection head 2.

Preferably, the sealing plug 8 comprises an outer rubber plug 17 and an inner rubber plug 18, the outer rubber plug 17 and the inner rubber plug 18 are connected into a whole structure, and the diameter of the outer rubber plug 17 is larger than that of the inner rubber plug 18; the opening 9, the secondary seal cavity 10 and the seal solid 11 form an inner rubber plug 18; the sealing plug 8 is composed of an outer rubber stopper 17 and an inner rubber stopper 18, the outer rubber stopper 17 firmly mounts the inner rubber stopper 18 in the sealer 7, and the inner rubber stopper 18 seals the end of the injection head 2.

Preferably, the outer surface of the syringe 1 is provided with a volume scale 19; the volume scale 19 allows the user to conveniently read the volume of liquid in the syringe 1.

Preferably, the outer peripheral surface of the positioning tube 3 is provided with a plurality of anti-slip strips 22 which are arranged at equal intervals, the anti-slip strips 22 are arranged in parallel with the axial direction of the positioning tube 3, and an anti-slip groove 23 is arranged between two adjacent anti-slip strips 22; the anti-slip strips 22 increase the anti-slip effect of the outer peripheral surface of the positioning tube 3, and facilitate the manual rotation operation of the positioning tube 3 by a user.

Preferably, the rear end of the injection tube 1 is provided with a collar 20; the collar 20 is mounted on the injection aid 21; the injection aid 21 comprises a shell 24, wherein an extension shell 25 is arranged on the front surface of the middle position of the shell 24, and the extension shell 25 and the shell 24 are of an integral structure; a clamping cavity 26 is arranged in the middle of the shell 24, a main clamping groove 27 is arranged on the extension shell 25, and a secondary clamping groove 28 is arranged on the back of the middle of the shell 24; the convex ring 20 is arranged in the clamping cavity 26, the connection part of the positioning tube 3 and the convex ring 20 is arranged in the main clamping groove 27, and the contact part of the convex ring 20 of the push handle 4 is arranged in the auxiliary clamping groove 28; the diameter of the clamping cavity 26 is larger than that of the main clamping groove 27, and the diameter of the main clamping groove 27 is larger than that of the auxiliary clamping groove 28; cavities 29 are arranged at two ends of the shell 24, and the cavities 29 are arranged at two sides of the clamping cavity 26; the operator mounts the injection aid 21 on the collar 20, specifically, the housing 24 is firmly mounted on the collar 20 through the card cavity 26, the main card slot 27, and the sub card slot 28, the index finger and middle finger of the user are placed on the injection aid 21, and the thumb of the user is placed on the push cap 6, thereby facilitating the use of the syringe by the user. The extension case 25 increases the middle strength of the case 24.

Preferably, the bottom two sides of the shell 24 are provided with lower concave cavities 30, and the top two sides of the shell 24 are provided with upper concave cavities 31; the two sides of the front surface of the shell 24 are provided with inward concave cavities, and the two sides of the back surface of the shell 24 are provided with outward convex cambered surfaces; the lower and upper cavities 30, 31 form an arc shape between the bottom and top of the housing 24, while also saving material of the housing 24 to better match the human finger.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. The injector for cosmetic use comprises an injection tube, wherein the inside of the injection tube is of a cavity structure, a push handle is axially arranged in the injection tube, a push plug is arranged at the inner end of the push handle, the push plug is arranged in the injection tube, and a push cap is arranged at the outer end of the push handle;

the method is characterized in that: the front end of the injection tube is provided with an injection head and a positioning tube, the positioning tube is sleeved on the outer peripheral surface of the injection head, and a primary sealing cavity is arranged between the inner peripheral surface of the positioning tube and the outer peripheral surface of the injection head; the primary sealing cavity is provided with a sealer;

the inside of the sealer is provided with a sealing plug, the front end part of the sealing plug is provided with an opening, the inside of the front end of the sealing plug is provided with a secondary sealing cavity, and the inside of the rear end of the sealing plug is provided with a sealing solid body; the front end of the sealing plug is arranged in the primary sealing cavity, and the injection head is arranged in the secondary sealing cavity.

2. The cosmetic injector of claim 1, wherein: the front end face of the injection head is contacted with the sealing solid body; the outward facing surface of the sealing solid body is provided with a sealing insert core which is arranged in the injection head.

3. The cosmetic injector of claim 1, wherein: the sealer comprises a limit column, one end of the limit column is provided with a thread column, the thread column is arranged in the primary sealing cavity, and the thread column is connected with the positioning pipe through threads; the other end of the limit column is provided with a plug-in column, and the peripheral surface of the plug-in column is provided with a rotary column.

4. The cosmetic injector of claim 1, wherein: the sealing plug comprises an outer rubber plug and an inner rubber plug, the outer rubber plug and the inner rubber plug are connected into an integrated structure, and the diameter of the outer rubber plug is larger than that of the inner rubber plug; the opening, the secondary seal cavity and the seal solid body form an inner rubber plug.

5. The cosmetic injector of claim 1, wherein: the outer surface of the injection tube is provided with volume scales.

6. The cosmetic injector of claim 1, wherein: the outer peripheral surface of the positioning pipe is provided with a plurality of equidistant anti-slip strips which are arranged in parallel with the axial direction of the positioning pipe, and an anti-slip groove is arranged between two adjacent anti-slip strips.

7. The cosmetic syringe of claim 6, wherein: the rear end of the injection tube is provided with a convex ring; the collar is mounted on the injection aid.

8. The cosmetic syringe of claim 7, wherein: the injection aid comprises a shell, wherein an extension shell is arranged on the front surface of the middle position of the shell, and the extension shell and the shell are of an integrated structure; a clamping cavity is arranged in the middle of the shell, a main clamping groove is formed in the extension shell, and an auxiliary clamping groove is formed in the back of the middle of the shell; the convex ring is arranged in the clamping cavity, the connection part of the positioning pipe and the convex ring is arranged in the main clamping groove, and the contact part of the push handle convex ring is arranged in the auxiliary clamping groove.

9. The cosmetic injector of claim 8, wherein: the diameter of the clamping cavity is larger than that of the main clamping groove, and the diameter of the main clamping groove is larger than that of the auxiliary clamping groove.

10. The cosmetic injector of claim 8, wherein: cavities are arranged at two ends of the shell, and the cavities are arranged at two sides of the clamping cavity.