Leading-in instrument convenient for replacing micro-needle roller

Abstract

The invention discloses a leading-in instrument convenient for replacing a micro-needle roller. The leading-in instrument comprises a leading-in instrument main body, and the mounting component comprises an elastic block, one end of the elastic block is fixedly arranged on the outer wall of the push rod, and a connecting sleeve is arranged on the outer wall of the elastic block in a clamped mode. Through arrangement of a connecting sleeve and a mounting rod, after a protective shell on the leading-in instrument main body is detached, an elastic block is pressed inwards, then the connecting sleeve is moved upwards, the connecting sleeve drives two first connecting blocks to move upwards, and then the two connecting rods drive two second connecting blocks to move oppositely until the mounting rod is separated from a mounting seat; after the roller needle head is taken down and replaced with a new roller needle head, the connecting sleeve is moved downwards in the same way, the mounting rod is clamped with the mounting seat at the top end of the roller needle head, the needle head can be conveniently replaced in the mode, the needle head can be independently replaced during replacement, the use cost is reduced, and unnecessary waste is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cosmetic instruments, in particular to a micro-needle roller replacement convenient introduction instrument. BACKGROUND

[0002] At present, with the development of cosmetic products, after applying skin care products or beauty liquid on the skin, in order to promote the absorption of the skin, a micro-needle introduction instrument is often used, which can create a micron-level transmission channel on the skin without pain through the solid micro-needle at the front end of the micro-needle introduction instrument, so that the active ingredients in the skin care products or beauty liquid are conducted to the inner layer of the skin to improve the absorption rate. Because it has the advantages of painless, safe, easy to operate, etc., it has been widely used in the field of beauty.

[0003] Through retrieval, Chinese patent No. CN221618372U proposes a micro-needle non-invasive nano introduction instrument, which includes a shell, a pen head connected to the front end of the shell and provided with an opening, a cavity is formed between the shell and the pen head, a motor is installed in the cavity, the motor is drivingly connected with an introduction assembly, the introduction assembly includes a top rod arranged on the central axis of the pen head and performing reciprocating motion, and the front end of the pen head is detachably connected with a micro-needle assembly.

[0004] The above-mentioned patent sets up an introduction assembly driven by a motor inside the shell, and the needle head is pushed by the introduction assembly for introduction operation, so that the micro-needle assembly needle head penetrates the skin surface to introduce the skin care product into the deep layer of the skin. However, when the needle head reaches the service life, the micro-needle assembly as a whole must be replaced, which results in the non-damaged parts being discarded, thereby increasing the use cost and causing unnecessary waste. SUMMARY

[0005] The purpose of the present application is to provide a micro-needle roller replacement convenient introduction instrument to solve the problems in the background art. To solve the above technical problems, the present application is realized by the following technical scheme: The present application is a micro-needle roller replacement convenient introduction instrument, which comprises: an introduction instrument main body; an installation part, the installation part comprises an elastic block, one end of the elastic block is fixedly arranged on the outer wall of the push rod, the outer wall of the elastic block is clamped with a connecting sleeve, the outer wall of the connecting sleeve is fixedly provided with two first connecting blocks, the opposite sides of the two first connecting blocks are rotatably provided with connecting rods, the opposite sides of the two connecting rods are rotatably provided with second connecting blocks, the opposite sides of the two second connecting blocks are fixedly provided with installation rods, the one ends of the two installation rods are clamped with installation seats, and the bottom ends of the installation seats are fixedly connected with the top ends of the roller needles on the introduction instrument main body.

[0006] Further, the mounting component further comprises two connecting seats, opposite sides of the two connecting seats are fixed on the outer wall of the push rod on the main body of the introduction instrument, one side of the two connecting seats is provided with a guide rod penetratingly, opposite ends of the two guide rods are fixedly connected with opposite sides of the two second connecting blocks.

[0007] Further, the length of the guide rod is longer than the distance between the second connecting block and the connecting seat.

[0008] Further, the inner wall of the connecting sleeve is slidingly connected with the outer wall of the push rod on the main body of the introduction instrument.

[0009] Further, the mounting component further comprises two positioning rods, top ends of the two positioning rods penetrate through top ends of the two connecting seats, and bottom ends of the positioning rods are fixedly arranged on top ends of the roller needle heads.

[0010] Further, a limiting component is further included, the limiting component comprises an arc-shaped ring, a locking screw is threadedly arranged on one side of the arc-shaped ring, vertical rods are fixedly arranged on both sides of the bottom end of the arc-shaped ring, and a grommet is arranged at the bottom ends of the two vertical rods.

[0011] Further, the outer walls of the two vertical rods are commonly provided with a fixing ring, the inner wall of the fixing ring is fixedly arranged on the outer wall of the protective shell on the main body of the introduction instrument.

[0012] The present application has the following beneficial effects: According to the present application, after the protective shell on the main body of the introduction instrument is removed, the elastic block is pressed inward, the connecting sleeve is moved upward, the two first connecting blocks are moved upward under the driving of the connecting sleeve, the two second connecting blocks are moved toward each other under the driving of the two connecting rods, and then the mounting rod is separated from the mounting seat, then the roller needle head is removed and replaced with a new one, the mounting rod is engaged with the mounting seat on the top end of the roller needle head by moving the connecting sleeve downward, in this way, the needle head can be replaced conveniently, and the needle head can be replaced individually, thus the use cost is reduced, and unnecessary waste is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram of the structure after the protective shell is removed of the present application; Figure 3It is the schematic view of the connecting sleeve and the second connecting block connecting structure of the application; Figure 4 It is the schematic view of the upper roller needle head structure of the application's introduction instrument; Figure 5 It is the schematic view of the outer wall connecting structure of the protective shell of the application's introduction instrument;

[0015] In the drawings, the components represented by each number are listed as follows: 11, introduction instrument main body 21, elastic block; 22, connecting sleeve; 23, first connecting block; 24, connecting rod; 25, second connecting block; 26, mounting rod; 27, mounting seat; 28, connecting seat; 29, guide rod; 210, positioning rod; 31, arc ring; 32, locking screw; 33, vertical rod; 34, grommet; 35, fixed ring. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0017] To make the purpose, technical solutions and advantages of the application clearer, the embodiments of the application will be further described in detail below with reference to the drawings.

[0018] Please refer to Figures 1-5 The application is an introduction instrument with a micro-needle roller convenient to replace, as shown in the drawings, which comprises: An introduction instrument main body 11; The model of the introduction instrument main body 11 is the same as that in the cited document.

[0019] The mounting component comprises an elastic block 21, one end of the elastic block 21 is fixedly arranged on the outer wall of the push rod 13, the outer wall of the elastic block 21 is clamped with a connecting sleeve 22, the outer wall of the connecting sleeve 22 is fixedly provided with two first connecting blocks 23, the opposite side of each of the two first connecting blocks 23 is rotatably provided with a connecting rod 24, the opposite side of each of the two connecting rods 24 is rotatably provided with a second connecting block 25, the opposite side of each of the two second connecting blocks 25 is fixedly provided with a mounting rod 26, one end of each of the two mounting rods 26 is clamped with a mounting seat 27, and the bottom end of the mounting seat 27 is fixedly connected with the top end of the roller needle head on the introduction instrument main body 11; The outer wall of the connecting sleeve 22 is provided with a clamping hole matched with the elastic block 21, the elastic block 21 is clamped and connected with the connecting sleeve 22 through the clamping hole, and the one end of the mounting rod 26 is not in contact with the inner wall of the protective shell on the introduction instrument main body 11.

[0020] The mounting component further comprises two connecting seats 28, opposite sides of the two connecting seats 28 are fixed on the outer wall of the push rod 13 on the lead-in instrument body 11, one side of the two connecting seats 28 is provided with a guide rod 29 penetrating through, opposite ends of the two guide rods 29 are fixedly connected with opposite sides of the two second connecting blocks 25 respectively; The guide rod 29 is in sliding fit with the connecting seat 28, and the second connecting block 25 is limited in movement by the guide rod 29, so that the second connecting block 25 moves stably and horizontally.

[0021] The length of the guide rod 29 is longer than the spacing between the second connecting block 25 and the connecting seat 28; In this way, when the mounting rod 26 is clamped with the mounting seat 27, the outer wall of the guide rod 29 is in contact with the inner wall of the connecting seat 28.

[0022] The inner wall of the connecting sleeve 22 is in sliding connection with the outer wall of the push rod on the lead-in instrument body 11.

[0023] The mounting component further comprises two positioning rods 210, top ends of the two positioning rods 210 penetrate through top ends of the two connecting seats 28 respectively, and bottom ends of the positioning rods 210 are fixedly arranged at top ends of the roller needle heads; The positioning rod 210 is used for positioning the roller needle head, so that the roller needle head is quickly installed subsequently, and the positioning rod 210 is in sliding fit with the connecting seat 28.

[0024] Working principle: when the roller needle head on the lead-in instrument body 11 is replaced, the protective shell on the lead-in instrument body 11 is disassembled, then the elastic block 21 is pressed inward, then the connecting sleeve 22 is moved upward, the connecting sleeve 22 drives the two first connecting blocks 23 to move upward, the two first connecting blocks 23 drive the two second connecting blocks 25 to move toward each other through the two connecting rods 24 respectively, until the mounting rod 26 on one side of the second connecting block 25 is separated from the mounting seat 27, then the roller needle head is taken off and a new roller needle head is replaced, and then the connecting sleeve 22 is moved downward, so that the mounting rod 26 is clamped with the mounting seat 27 at the top end of the roller needle head, in this way, the needle head is conveniently replaced, and the needle head can be replaced alone when being replaced, so that the use cost is reduced, and unnecessary waste is avoided.

[0025] Please refer to Figures 1-5 The embodiment further comprises: A limiting component, the limiting component comprises an arc-shaped ring 31, a locking screw 32 is threadedly arranged on one side of the arc-shaped ring 31, vertical rods 33 are fixedly arranged on both sides of the bottom end of the arc-shaped ring 31, and the bottom ends of the two vertical rods 33 are commonly provided with a grommet 34; The inner diameter of the arc-shaped ring 31 is matched with the outer diameter of the protective shell on the lead-in instrument body 11, the locking screw 32 is used for limiting and fixing the arc-shaped ring 31, and the grommet 34 is made of rubber material, so that the comfort when the grommet 34 contacts the human skin is improved.

[0026] The outer walls of the two vertical rods 33 are provided with a fixing ring 35, and the inner wall of the fixing ring 35 is fixedly arranged on the outer wall of the protective shell of the main body 11 of the micro-needle introduction instrument; The vertical rod 33 penetrates through the fixing ring 35 and is in sliding fit with the fixing ring 35.

[0027] Working principle: when the micro-needle introduction instrument is used to puncture the human face skin, the locking screw 32 is opened, the arc-shaped ring 31 is moved up and down, the arc-shaped ring 31 drives the two vertical rods 33 to move up and down, and then drives the grommet 34 to move up and down, after the grommet 34 is moved to the appropriate position, the locking screw 32 is fixed, and in this way, the puncture depth of the needle in the micro-needle introduction instrument to the human skin can be adjusted, so as to meet different puncture requirements.

[0028] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the present application to the specific embodiments. Obviously, according to the content of the present application, many modifications and changes can be made. The present application is selected and described in detail, in order to better explain the principles and practical application of the present application, so that the persons skilled in the art can well understand and use the present application. The present application is limited by the claims and the whole scope and equivalents thereof.

Claims

1. An introductory device that facilitates the replacement of microneedle rollers, characterized in that, include: Main body of the import instrument (11); The mounting component includes an elastic block (21), one end of which is fixedly mounted on the outer wall of the push rod (13). A connecting sleeve (22) is engaged on the outer wall of the elastic block (21). Two first connecting blocks (23) are fixedly mounted on the outer wall of the connecting sleeve (22). A connecting rod (24) is rotatably mounted on the opposite side of each of the two first connecting blocks (23). A second connecting block (25) is rotatably mounted on the opposite side of each of the two connecting rods (24). An installation rod (26) is fixedly mounted on the opposite side of each of the two second connecting blocks (25). An installation seat (27) is engaged at one end of each of the two installation rods (26). The bottom end of the installation seat (27) is fixedly connected to the top end of the roller needle head on the main body (11) of the introducing instrument.

2. The introductory device for easy replacement of microneedle rollers according to claim 1, characterized in that: The mounting component also includes two connecting seats (28). The opposite sides of the two connecting seats (28) are respectively fixed to the outer wall of the push rod (13) on the body (11) of the introductory instrument. A guide rod (29) is provided through one side of each of the two connecting seats (28). The opposite ends of the two guide rods (29) are respectively fixedly connected to the opposite sides of the two second connecting blocks (25).

3. The introductory device for easy replacement of microneedle rollers according to claim 2, characterized in that: The length of the guide rod (29) is longer than the distance between the second connecting block (25) and the connecting seat (28).

4. The introductory device for easy replacement of microneedle rollers according to claim 1, characterized in that: The inner wall of the connecting sleeve (22) is slidably connected to the outer wall of the push rod on the main body (11) of the infusion instrument.

5. The introductory device for easy replacement of microneedle rollers according to claim 2, characterized in that: The mounting component also includes two positioning rods (210), the top ends of the two positioning rods (210) respectively penetrate the top ends of the two connecting seats (28), and the bottom ends of the positioning rods (210) are fixedly set at the top end of the roller needle head.

6. The introductory device for easy replacement of microneedle rollers according to claim 1, characterized in that: It also includes a limiting component, which includes an arc ring (31), a locking screw (32) is threaded on one side of the arc ring (31), and vertical rods (33) are fixed on both sides of the bottom end of the arc ring (31), and a washer (34) is provided at the bottom end of the two vertical rods (33).

7. The introductory device for easy replacement of microneedle rollers according to claim 6, characterized in that: The outer walls of the two vertical rods (33) are provided with a fixing ring (35), and the inner wall of the fixing ring (35) is fixedly installed on the outer wall of the protective shell on the main body (11) of the infusion instrument.

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