Assembly structure of vibrissa trimmer

Abstract

The utility model discloses an assembling structure of a vibrissa trimmer. Belongs to the technical field of vibrissa trimmers. According to the technical key points, the device comprises a main machine, one end of the main machine is connected with a tool bit assembly, the periphery of the tool bit assembly is detachably covered with a protective cover matched with the main machine, the main machine comprises a shell, and a main controller and a driver buckled with the main controller are arranged in the shell; a first limiting structure with the outer diameter larger than the inner diameter of the shell is arranged at the free end of the master controller, and a second limiting structure is arranged between the end, close to the protective cover, of the shell and the driver; when the master controller and the driver are buckled to form an integral structure, the integral structure is fixed in the shell under the cooperation of the first limiting structure and the second limiting structure with the shell; the utility model aims to provide the assembly structure of the vibrissa trimmer, which is compact in structure and easy to assemble, and the whole assembly structure does not need to be fixed by screws; the device is used for trimming vibrissae.

Description

Technical Field

[0001] The utility model relates to a nose hair trimmer, and more specifically, to an assembly structure of a nose hair trimmer. Background Art

[0002] Nose hair trimmer is a beauty tool used to trim nose hair. Some people have nose hair growing outside the nose due to high hormone secretion, living in an environment with poor air quality or smoking, which affects their personal image.

[0003] There are two main types of existing nose hair trimmers. One is that the inner and outer cylindrical blades are used for slow shearing, which is mostly operated manually; the other is that the outer blade guides the nose hair and cooperates with the internal high-speed rotating blade for shearing. For the latter, it is generally driven by a motor, and its structure is relatively complex. In the assembly process, there are also disadvantages such as cumbersome assembly and high assembly difficulty. Utility Model Content

[0004] The utility model aims to address the deficiencies of the prior art and to provide a nose hair trimmer assembly structure which is compact, easy to assemble and does not require screws to fix the entire structure.

[0005] The technical solution of the utility model is implemented as follows: a nose hair trimmer assembly structure includes a main body, a cutter head assembly is connected to one end of the main body, a detachable cover outside the cutter head assembly is provided with a protective cover that cooperates with the main body, the main body includes a shell, a main controller and a driver buckled with the main controller are arranged in the shell.

[0006] A first limiting structure with an outer diameter larger than the inner diameter of the shell is arranged at the free end of the main controller, and a second limiting structure is arranged between the end of the shell close to the shield and the driver.

[0007] When the main controller and the driver are buckled to form an integral structure, the integral structure is fixed in the shell under the cooperation of the first limiting structure, the second limiting structure and the shell.

[0008] In the above-mentioned nose hair trimmer assembly structure, the main controller includes a main control bracket, a battery accommodating chamber is provided in the main control bracket, a battery is provided in the battery accommodating chamber, and a main control board connected to the battery is provided in the main control bracket; the main control board is connected to the driver circuit through a conductive structure.

[0009] In the above-mentioned nose hair trimmer assembly structure, the main control bracket includes a main control support, and a connecting seat adapted to the inner contour of the outer shell is integrally formed at one end of the main control support close to the driver, and the first limiting structure is integrally formed at the other end of the main control support, and the first limiting structure is a limiting boss adapted to the outer diameter of the outer shell.

[0010] The battery accommodating cavity is formed axially in the main control support, the main control board is arranged on the upper end surface of the main control support, a protective cover is buckled on the main control support outside the main control board, control buttons matching with the main control board are arranged on the protective cover, and a clearance notch matching with the control button is arranged on the outer shell.

[0011] In the above-mentioned nose hair trimmer assembly structure, two elastic conductive sheets spaced apart are welded on the main control board, and the battery is clamped between the two elastic conductive sheets.

[0012] In the above-mentioned nose hair trimmer assembly structure, the driver includes a driving bracket which is snap-connected to the main controller and whose outer diameter is adapted to the inner diameter of the outer shell, and a reduction motor is arranged inside the driving bracket; the blade head assembly is detachably connected to the driving bracket and is linked to the reduction motor.

[0013] In the above-mentioned nose hair trimmer assembly structure, the second limiting structure includes limiting notches that are distributed at intervals along the circumferential direction of the inner wall of the shell and formed at the end of the shell, and a limiting protrusion that corresponds to the limiting notch one by one is integrally formed on the driving bracket.

[0014] In the above-mentioned nose hair trimmer assembly structure, the conductive structure includes two positioning holes arranged on the main control bracket close to one end of the driver and corresponding to the positive and negative poles of the motor on the driver, and conductive copper sheets are respectively inserted into the two positioning holes;

[0015] The conductive copper sheet consists of a conductive connecting part inserted into the positioning hole, an arc-shaped elastic conductive part integrally formed at one end of the conductive connecting part close to the main controller and matching the positive or negative pole of the main control board on the main controller, and an elastic conductive part integrally formed at the other end of the conductive connecting part and opposite to the positive or negative pole of the motor.

[0016] When the main controller and the driver are buckled, the positive or negative pole of the motor squeezes the elastic conductive part to make it elastically deformed and in close contact, and the arc-shaped elastic conductive part is closely attached to the positive or negative pole of the main control board on the main controller.

[0017] In the above-mentioned nose hair trimmer assembly structure, the blade head assembly includes a buckle seat detachably connected to the driver, an outer blade is fixed on the buckle seat, an inner blade is sleeved inside the outer blade, and the inner blade is connected and linked to the power output end of the driver.

[0018] After the utility model adopts the above structure, the main controller and the driver are fastened together, and the first and second limit structures are matched to form a fixed whole. The assembly and fixation of the three are completely free from screw connection and are fixed with buckles, making the assembly convenient and quick, which not only improves the assembly efficiency but also reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described in detail below in conjunction with the embodiments in the accompanying drawings, but this does not constitute any limitation to the present invention.

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 yes Figure 1 A schematic cross-sectional structure diagram of;

[0022] Figure 3 yes Figure 2 A local enlarged schematic diagram of the middle A;

[0023] Figure 4 It is a schematic diagram of the exploded structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the exploded structure of the main controller and the driver of the utility model.

[0025] In the figure: 1. main machine; 2. cutter head assembly; 2a. buckle seat; 2b. outer cutter; 2c. inner cutter; 3. shield; 4. outer shell; 5. main controller; 5a. main control bracket; 5b. battery accommodating chamber; 5c. battery; 5d. main control board; 5e. main control support; 5f. connecting seat; 5g. protective cover; 5h. control button; 5i. clearance gap; 5j. elastic conductive sheet; 6. driver; 6a. driving bracket; 6b. reduction motor; 7. first limiting structure; 8. second limiting structure; 8a. limiting gap; 8b. limiting protrusion; 9. positioning hole; 10. conductive copper sheet; 10a. conductive connecting part; 10b. arc-shaped elastic conductive part; 10c. elastic conductive part. DETAILED DESCRIPTION

[0026] See also Figures 1 to 5 As shown, the utility model discloses a nose hair trimmer assembly structure, comprising a main unit 1, one end of which is connected to a cutter head assembly 2,

[0027] A protective cover 3 cooperating with the main body 1 is provided on the outer detachable cover of the cutter head assembly 2 . The main body 1 includes a shell 4 , in which a main controller 5 and a driver 6 buckled with the main controller 5 are arranged.

[0028] The cutter head assembly 2 includes a buckle seat 2a detachably connected to the driver 6, an outer cutter 2b is fixed on the buckle seat 2a, an inner cutter 2c is sleeved inside the outer cutter 2b, and the inner cutter 2c is connected to the power output end of the driver 6 in a linkage manner.

[0029] A first limiting structure 7 with an outer diameter larger than the inner diameter of the housing 4 is disposed at the free end of the main controller 5 , and a second limiting structure 8 is disposed between the end of the housing 4 close to the shield 3 and the driver 6 .

[0030] When the main controller 5 and the driver 6 are buckled to form an integral structure, the integral structure is fixed in the housing 4 under the cooperation of the first limiting structure 7 and the second limiting structure and the housing 4. With this structure, the housing, the main controller and the driver constituting the host are all connected by snap-fitting, and no screws are required for fixing, which is not only convenient for assembly but also saves costs.

[0031] Preferably, the main controller 5 includes a main control bracket 5a, a battery accommodating chamber 5b is arranged in the main control bracket 5a, a battery 5c is arranged in the battery accommodating chamber 5b, a main control board 5d connected to the battery 5c is arranged in the main control bracket 5a; the main control board 5d is connected to the driver 6 circuit through a conductive structure. The overall compact connection can reduce the volume.

[0032] In this embodiment, the main control bracket 5a includes a main control support 5e, and a connecting seat 5f adapted to the inner contour of the outer shell 4 is integrally formed at one end of the main control support 5e close to the driver 6, and the first limiting structure 7 is integrally formed at the other end of the main control support 5e, and the first limiting structure is a limiting boss adapted to the outer diameter of the outer shell 4.

[0033] The battery accommodating cavity 5b is formed axially in the main control support 5e, the main control board 5d is arranged on the upper end surface of the main control support 5e, a protective cover 5g is buckled on the main control support 5e outside the main control board 5d, a control button 5h matching the main control board 5d is arranged on the protective cover 5g, and a clearance notch 5i matching the control button 5h is arranged on the outer shell 4.

[0034] Further preferably, two elastic conductive sheets 5j are welded on the main control board 5d and are spaced apart from each other, and the battery 5c is sandwiched between the two elastic conductive sheets 5j.

[0035] During assembly, the battery is first assembled with the main control board through the elastic conductive sheet, and then placed on the main control support, so that the battery and the main control board are placed in the corresponding installation positions. Then buckle the protective cover, so that the control button is opposite to the switch on the main control board, and the assembly of the main controller is completed.

[0036] Preferably, the driver 6 comprises a driving bracket 6a which is snap-connected to the main controller 5 and whose outer diameter is adapted to the inner diameter of the housing 4, and a reduction motor 6b is arranged in the driving bracket 6a; the cutter head assembly 2 is detachably connected to the driving bracket 6a and is linked to the reduction motor 6b. The driver is formed by installing the reduction motor in the driving bracket.

[0037] Further preferably, the second limiting structure 8 includes limiting notches 8a which are distributed at intervals along the inner wall of the shell 4 and formed at the end of the shell 4, and limiting protrusions 8b which correspond to the limiting notches 8a are integrally formed on the driving bracket 6a.

[0038] The cooperation between the limiting notch and the limiting protrusion can prevent the main machine from moving toward the cutter head assembly.

[0039] Further preferably, the conductive structure includes two positioning holes 9 arranged on the main control bracket 5a close to one end of the driver 6 and corresponding to the positive and negative poles of the motor on the driver 6, and conductive copper sheets 10 are respectively inserted into the two positioning holes 9.

[0040] The conductive copper sheet 10 is composed of a conductive connecting portion 10a inserted into the positioning hole 9, an arc-shaped elastic conductive portion 10b integrally formed at one end of the conductive connecting portion 10a close to the main controller 5 and matching the positive or negative pole of the main control board on the main controller 5, and an elastic conductive portion 10c integrally formed at the other end of the conductive connecting portion 10a and opposite to the positive or negative pole of the motor;

[0041] When the main controller 5 and the driver 6 are buckled, the positive or negative pole of the motor squeezes the elastic conductive part 10c to make it elastically deformed and in close contact, and the arc-shaped elastic conductive part 10b is closely attached to the positive or negative pole of the main control board on the main controller 5.

[0042] The electrical conduction between the main controller and the driver is cleverly achieved through the coordination of the conductive copper sheet and the positioning holes. Conventional processes such as welding are not required, which can save assembly time and improve assembly efficiency.

[0043] During assembly, insert the main controller into the shell, then insert the driver from the other end of the shell, and make the limiting notch and the limiting protrusion correspond to each other, then insert the driver into the bottom, so that the driver and the main controller complete the snap connection, at this time the limiting protrusion is located in the limiting notch, and the assembly of the host is completed.

[0044] The above embodiments are preferred implementation modes of the present invention and are only used to facilitate the explanation of the present invention. They are not intended to limit the present invention in any form. Any person with ordinary knowledge in the relevant technical field, if they do not depart from the scope of the technical features of the present invention, can make equivalent embodiments by partial changes or modifications to the technical contents disclosed in the present invention, and they still fall within the scope of the technical features of the present invention without departing from the technical features of the present invention.

Claims

1. A nose hair trimmer assembly structure, comprising a main unit (1), a cutter head assembly (2) connected to one end of the main unit (1), a protective cover (3) cooperating with the main unit (1) provided on a detachable cover outside the cutter head assembly (2), characterized in that: The host (1) comprises a housing (4), in which a main controller (5) and a driver (6) buckled with the main controller (5) are arranged; A first limiting structure (7) having an outer diameter greater than an inner diameter of the housing (4) is provided at the free end of the main controller (5), and a second limiting structure (8) is provided between an end of the housing (4) close to the shield (3) and the driver (6); When the main controller (5) and the driver (6) are buckled to form an integral structure, the integral structure is fixed in the housing (4) under the cooperation of the first limiting structure (7) and the second limiting structure and the housing (4).

2. A nose hair trimmer assembly structure according to claim 1, characterized in that: The main controller (5) comprises a main control bracket (5a), a battery accommodating chamber (5b) is arranged in the main control bracket (5a), a battery (5c) is arranged in the battery accommodating chamber (5b), and a main control board (5d) connected to the battery (5c) is arranged in the main control bracket (5a); the main control board (5d) is connected to the driver (6) circuit via a conductive structure.

3. A nose hair trimmer assembly structure according to claim 2, characterized in that: The main control bracket (5a) comprises a main control support (5e), ​​and a connecting seat (5f) adapted to the inner contour of the outer shell (4) is integrally formed at one end of the main control support (5e) close to the driver (6), and the first limiting structure (7) is integrally formed at the other end of the main control support (5e), ​​and the first limiting structure is a limiting boss adapted to the outer diameter of the outer shell (4); The battery accommodating cavity (5b) is formed in the main control support (5e) along the axial direction, the main control board (5d) is arranged on the upper end surface of the main control support (5e), ​​a protective cover (5g) is buckled on the main control support (5e) outside the main control board (5d), a control button (5h) matching with the main control board (5d) is arranged on the protective cover (5g), and a clearance notch (5i) matching with the control button (5h) is arranged on the outer shell (4).

4. A nose hair trimmer assembly structure according to claim 3, characterized in that: Two elastic conductive sheets (5j) spaced apart are welded on the main control board (5d), and the battery (5c) is sandwiched between the two elastic conductive sheets (5j).

5. A nose hair trimmer assembly structure according to claim 1, characterized in that: The driver (6) comprises a driving bracket (6a) which is snap-connected to the main controller (5) and has an outer diameter adapted to the inner diameter of the housing (4); a reduction motor (6b) is arranged inside the driving bracket (6a); and the cutter head assembly (2) is detachably connected to the driving bracket (6a) and is linked to the reduction motor (6b).

6. A nose hair trimmer assembly structure according to claim 5, characterized in that: The second limiting structure (8) comprises limiting notches (8a) which are distributed at intervals along the inner wall of the outer shell (4) in the circumferential direction and formed at the end of the outer shell (4), and limiting protrusions (8b) which correspond one-to-one with the limiting notches (8a) are integrally formed on the driving bracket (6a).

7. A nose hair trimmer assembly structure according to claim 2, characterized in that: The conductive structure comprises two positioning holes (9) arranged on a main control bracket (5a) close to one end of the driver (6) and corresponding to the positive and negative poles of the motor on the driver (6), and conductive copper sheets (10) are respectively inserted into the two positioning holes (9); The conductive copper sheet (10) is composed of a conductive connecting portion (10a) inserted into the positioning hole (9), an arc-shaped elastic conductive portion (10b) integrally formed at one end of the conductive connecting portion (10a) close to the main controller (5) and matching the positive pole or negative pole of the main control board on the main controller (5), and an elastic conductive portion (10c) integrally formed at the other end of the conductive connecting portion (10a) and opposite to the positive pole or negative pole of the motor; When the main controller (5) and the driver (6) are buckled, the positive pole or negative pole of the motor squeezes the elastic conductive part (10c) to cause it to elastically deform and come into close contact, and the arc-shaped elastic conductive part (10b) is in close contact with the positive pole or negative pole of the main control board on the main controller (5).

8. A nose hair trimmer assembly structure according to claim 1, characterized in that: The cutter head assembly (2) comprises a buckle seat (2a) detachably connected to a driver (6), an outer cutter (2b) is fixed on the buckle seat (2a), an inner cutter (2c) is sleeved inside the outer cutter (2b), and the inner cutter (2c) is connected to the power output end of the driver (6) in a linkage manner.

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