Microcrystal instrument

By installing a sealing sleeve and annular groove design in the microcrystal instrument, the problem of beauty liquid backflow is solved, the service life and sealing stability of the instrument are improved, and the protection of the drive components is achieved.

CN223350807UActive Publication Date: 2025-09-19文接
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422187450.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-09-19
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

When the push rod of an existing microneedle beauty instrument moves back and forth at a high frequency, the beauty liquid tends to flow back from the microneedles into the interior of the instrument, causing the internal components to rust and shortening their service life.

Method used

A sealing sleeve is installed at the bottom end of the inner cylinder and is fitted with the driving rod through the sealing sleeve. Combined with the design of the annular groove and the connecting ring, it ensures sealing and prevents the beauty liquid from flowing back. A spring is installed on the outside of the push rod to increase stability, and the threaded connection enables quick disassembly and maintenance.

Benefits of technology

It effectively prevents the beauty liquid from flowing back into the drive component, protects the drive component, increases the service life of the whole machine, and improves the connection stability between the sealing sleeve and the inner cylinder to prevent it from falling off.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223350807U_ABST
    Figure CN223350807U_ABST
Patent Text Reader

Abstract

The utility model provides a microcrystal instrument which comprises a main rod body, a driving assembly is installed in the main rod body, and one end of the driving assembly is connected with a driving rod. The bottom end of the main rod body is connected with an outer cylinder body, the bottom end of the outer cylinder body is connected with a fixed cylinder body, and a microcrystal assembly is installed in the fixed cylinder body; the microcrystal assembly comprises a microcrystal head and a push rod, an inner cylinder is installed at the bottom end of the main rod body, the driving rod is coaxially arranged in the inner cylinder, and the bottom end of the driving rod penetrates out of the inner cylinder; the bottom end of the inner barrel is connected with a sealing sleeve, and the end of the driving rod is connected with the inner bottom end of the sealing sleeve in an attached mode; one end of the push rod is connected with the outer bottom end of the sealing sleeve in an attached mode. The sealing sleeve is mounted at the bottom end of the inner barrel, so that the bottom end of the driving rod can be effectively sealed, cosmetic liquid is prevented from flowing back into the driving rod and a driving assembly at the rear end of the driving rod when the driving rod drives the pushing rod to vibrate at high frequency, the driving assembly is protected, and the service life of the whole machine can be effectively prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of beauty instruments, and more specifically, relates to a microcrystal instrument. Background Art

[0002] Nanocrystals or microneedles have a wide range of applications in transdermal drug delivery, cosmetic procedures, tattooing, and other fields. Their primary function is to create numerous micron-sized pores in the stratum corneum and epidermis through pressure application using short, sharp nanocrystals or microneedles. This facilitates the transdermal penetration of drugs and cosmetics, significantly improving their efficacy and cosmetic results.

[0003] Existing Chinese patent application number: 201220406965.7 discloses a novel microneedle beauty device comprising a housing, a microneedle assembly, and a drive mechanism. The housing comprises a cover, a base, and a shell. The microneedle assembly comprises a fixed seat and a movable seat, the movable seat being mounted within the fixed seat and equipped with a plurality of microneedles. A push rod is disposed below the movable seat and is equipped with a return spring. The housing is provided with a fixed sleeve and an adjustable sleeve, each of which is formed of a conical shell. The adjustable sleeve fits over the fixed sleeve. The drive mechanism is mounted within the housing and comprises a drive motor, a pair of cooperating bevel gears, and a telescopic rod. This utility model is simple to install, allows for easy replacement of the microneedle assembly, and maintains stable driving performance.

[0004] The aforementioned novel microneedle beauty device lacks a sealing component between its push rod and telescopic rod. As the push rod moves back and forth at high frequencies, cosmetic solution contacted by the microneedle assembly can easily flow back through the microneedles into the device, causing internal components to rust and impacting the device's service life. In light of this, the present invention addresses these shortcomings and seeks to improve upon the existing structure, providing a microcrystal device with greater practical value. Utility Model Content

[0005] In order to solve the above technical problems, the present invention provides a microcrystal instrument, which is achieved by the following specific technical means:

[0006] A microcrystal instrument comprises a main rod body, a driving assembly is installed inside the main rod body, and one end of the driving assembly is connected to a driving rod; the bottom end of the main rod body is connected to an outer cylinder body, the bottom end of the outer cylinder body is connected to a fixed cylinder body, and a microcrystal assembly is installed inside the fixed cylinder body; the microcrystal assembly comprises a microcrystal head and a push rod, the bottom end of the main rod body is installed with an inner cylinder body, the driving rod is coaxially arranged inside the inner cylinder body, and the bottom end passes through the inner cylinder body; the bottom end of the inner cylinder body is connected to a sealing sleeve, and the end head of the driving rod is fitly connected to the inner bottom end of the sealing sleeve; the pushing rod is coaxially arranged with the driving rod, and one end of the pushing rod is fitly connected to the outer bottom end of the sealing sleeve.

[0007] Furthermore, an annular groove is provided on the outer side of the inner cylinder, a connecting ring is provided on the open end of the sealing sleeve, and the inner side of the connecting ring is connected to the annular groove.

[0008] Furthermore, the sealing sleeve is made of silicone.

[0009] Furthermore, a spring is sleeved on the outer side of the push rod, and a flange is provided at one end of the push rod close to the sealing sleeve, and two ends of the spring are respectively arranged to abut against the fixed cylinder and the flange.

[0010] Furthermore, the bottom end of the main rod body is provided with an internal thread, and is connected to the inner cylinder body through the internal thread, and an intermediate cylinder body is clamped and connected between the outer side of the inner cylinder body and the bottom end of the main rod body; the bottom end of the intermediate cylinder body is provided with an internal thread, and is connected to the outer cylinder body through the internal thread.

[0011] Furthermore, the bottom end of the outer cylinder is provided with an internal thread, and the cylinder is connected and fixed via the internal thread.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The utility model can effectively seal the bottom end of the driving rod by installing a sealing sleeve at the bottom end of the inner cylinder, so as to prevent the beauty liquid from flowing back into the driving rod and the driving component at the rear end thereof when the driving rod drives the push rod to vibrate at a high frequency, thereby protecting the driving component and effectively improving the service life of the whole machine; and can effectively improve the stability of the connection between the sealing sleeve and the inner cylinder by providing an annular groove on the inner cylinder and a connecting ring on the sealing sleeve, thereby preventing the sealing sleeve from falling off during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a partial cross-sectional schematic diagram of the utility model.

[0015] Figure 2 yes Figure 1 A magnified schematic diagram of the structure in the middle.

[0016] Figure 3It is a partial structural diagram of the utility model.

[0017] Figure 4 It is a schematic diagram of the general assembly of the utility model.

[0018] Figure 5 It is a schematic diagram of the partial structure disassembly of the utility model.

[0019] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0020] 1. Main rod body; 2. Inner cylinder; 201. Annular groove; 3. Outer cylinder; 4. Fixed cylinder; 5. Microcrystalline assembly; 501. Push rod; 6. Sealing sleeve; 601. Connecting ring; 7. Driving assembly; 701. Driving rod; 8. Intermediate cylinder. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances. Example

[0024] As attached Figure 1 To the attached Figure 5 As shown:

[0025] The utility model provides a microcrystal instrument, comprising a main rod body 1, a driving assembly 7 is installed inside the main rod body 1, and one end of the driving assembly 7 is connected to a driving rod 701; the bottom end of the main rod body 1 is connected to an outer cylinder 3, the bottom end of the outer cylinder 3 is connected to a fixed cylinder 4, and a microcrystal assembly 5 is installed inside the fixed cylinder 4; the microcrystal assembly 5 includes a microcrystal head and a pushing rod 501, the bottom end of the main rod body 1 is installed with an inner cylinder 2, the driving rod 701 is coaxially arranged inside the inner cylinder 2, and the bottom end passes through the inner cylinder 2; the bottom end of the inner cylinder 2 is connected to a sealing sleeve 6, and the end of the driving rod 701 is fitly connected to the inner bottom end of the sealing sleeve 6; the pushing rod 501 is coaxially arranged with the driving rod 701, and one end of the pushing rod 501 is fitly connected to the outer bottom end of the sealing sleeve 6.

[0026] Among them, an annular groove 201 is provided on the outer side of the inner cylinder 2, and a connecting ring 601 is provided at the open end of the sealing sleeve 6, and the inner side of the connecting ring 601 is connected to the annular groove 201, so as to achieve a stable connection between the sealing sleeve 6 and the inner cylinder 2 and not easy to fall off.

[0027] Among them, the sealing sleeve 6 is made of silicone, which has good elasticity and can realize adaptive deformation when the driving rod 701 vibrates at high frequency. It also has good sealing properties to prevent the beauty liquid from penetrating into the driving component 7 from the driving rod 701.

[0028] Among them, a spring is sheathed on the outer side of the push rod 501, and a flange is provided at one end of the push rod 501 close to the sealing sleeve 6. The two ends of the spring are respectively set to resist the fixed cylinder 4 and the flange. Through the setting of the spring, it can be ensured that the push rod 501 can fit tightly against the outer bottom end of the sealing sleeve 6.

[0029] Among them, the bottom end of the main rod body 1 is provided with an internal thread, and is connected to the inner cylinder body 2 through the internal thread. The outer side of the inner cylinder body 2 is clamped and connected to the bottom end of the main rod body 1 with an intermediate cylinder body 8; the bottom end of the intermediate cylinder body 8 is provided with an internal thread, and is connected to the outer cylinder body 3 through the internal thread, so that when in use, the outer cylinder body 3 can be quickly disassembled to clean and maintain the internal components.

[0030] The bottom end of the outer cylinder 3 is provided with an internal thread, and is connected to the fixed cylinder 4 through the internal thread, so that the fixed cylinder 4 can be quickly disassembled when in use, and the microcrystalline component 5 can be maintained, cleaned and replaced.

[0031] The working principle of this embodiment is as follows: by installing a sealing sleeve 6 at the bottom end of the inner cylinder 2, the bottom end of the driving rod 701 can be effectively sealed. When the driving rod 701 drives the push rod 501 to vibrate at a high frequency, the beauty liquid is prevented from flowing back into the driving rod 701 and the driving assembly 7 at its rear end, thereby protecting the driving assembly 7 and effectively extending the service life of the entire device. By providing an annular groove 201 on the inner cylinder 2 and a connecting ring 601 on the sealing sleeve 6, the stability of the connection between the sealing sleeve 6 and the inner cylinder 2 can be effectively improved, preventing it from falling off during use.

[0032] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A microcrystal instrument, comprising a main rod (1), a driving assembly (7) installed inside the main rod (1), one end of the driving assembly (7) being connected to a driving rod (701); the bottom end of the main rod (1) being connected to an outer cylinder (3), the bottom end of the outer cylinder (3) being connected to a fixed cylinder (4), a microcrystal assembly (5) being installed inside the fixed cylinder (4); the microcrystal assembly (5) comprising a microcrystal head and a push rod (501), characterized in that: The bottom end of the main rod body (1) is mounted with an inner cylinder (2); the driving rod (701) is coaxially arranged inside the inner cylinder (2), and the bottom end thereof passes through the inner cylinder (2); the bottom end of the inner cylinder (2) is connected with a sealing sleeve (6), and the end of the driving rod (701) is in close contact with the inner bottom end of the sealing sleeve (6); the pushing rod (501) is coaxially arranged with the driving rod (701), and one end of the pushing rod (501) is in close contact with the outer bottom end of the sealing sleeve (6).

2. The microcrystal instrument according to claim 1, characterized in that: An annular groove (201) is provided on the outer side of the inner cylinder (2), a connecting ring (601) is provided on the open end of the sealing sleeve (6), and the inner side of the connecting ring (601) is connected to the annular groove (201).

3. The microcrystal instrument according to claim 1, wherein: The sealing sleeve (6) is made of silicone material.

4. The microcrystal instrument according to claim 1, wherein: A spring is sleeved on the outer side of the push rod (501), and a flange is provided at one end of the push rod (501) close to the sealing sleeve (6). Both ends of the spring are respectively disposed against the fixed cylinder (4) and the flange.

5. The microcrystal instrument according to claim 1, wherein: The bottom end of the main rod body (1) is provided with an internal thread and is connected to the inner cylinder body (2) via the internal thread; an intermediate cylinder body (8) is clamped and connected between the outer side of the inner cylinder body (2) and the bottom end of the main rod body (1); the bottom end of the intermediate cylinder body (8) is provided with an internal thread and is connected to the outer cylinder body (3) via the internal thread.

6. The microcrystal instrument according to claim 5, characterized in that: The bottom end of the outer cylinder (3) is provided with an internal thread, and is connected to the fixed cylinder (4) via the internal thread.

Citation Information

Patent Citations

  • Novel micro-needle cosmetic instrument

    CN202740626U