Damping balance structure of shaver or hair scissors

Abstract

A shock absorption balance structure of a shaver or hair scissors belongs to the technical field of shock absorption and comprises a shock absorption balance structure which comprises a shock absorption balance eccentric wheel, a motor rotating shaft and an eccentric wheel steel shaft. The damping balance eccentric wheel is of an integrated structure and comprises a large semi-cylinder on one side and a small semi-cylinder on the other side. The large semi-cylinder shape and the small semi-cylinder shape are combined, and the center line of the large semi-cylinder shape coincides with the center line of the small semi-cylinder shape. The motor rotating shaft is arranged behind the damping balance eccentric wheel; the front end of the motor rotating shaft is fixedly connected with the arc center where the large semi-cylindrical rear end face is located; the rear end of the eccentric wheel steel shaft is fixedly connected with the arc center where the front end face of the small semi-cylinder is located. The front end of the eccentric wheel steel shaft extends forwards into the pushing groove. The utility model has the beneficial effects that the vibration of the whole machine is reduced, and the noise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a damping balance structure, especially relates to a damping balance structure of a shaver or a hair clipper and belongs to the technical field of damping. BACKGROUND

[0002] As shown in Figure 5 and Figure 6 , the eccentric wheel used in the current shaver or hair clipper is a cylindrical or regular profile copper bar made by turning; when the motor drives the cutter head, only the eccentric column drives the cutter head to swing left and right, resulting in large vibration of the whole machine and loud noise.

[0003] For example, the utility model patent content with the publication number CN 215093731 U and the application number CN2021214371093 has the invention name of hairdressing device cutter head structure with eccentric wheel heat dissipation mechanism, which includes a rotating drive member, an output shaft of the rotating drive member is coaxially connected with a fan and a transmission block in sequence, a side of the transmission block away from the rotating drive member is provided with a swing member, the swing member includes a swing rod, an eccentric hole is formed in a side of the transmission block away from the rotating drive member, the swing rod is inserted into the eccentric hole, and the swing member is connected with a moving cutter. The transmission block of the above-mentioned technology is cylindrical, when the motor rotates, the eccentric force caused by the eccentric shaft driving the cutter holder to move left and right causes vibration and noise. UTILITY MODEL CONTENT

[0004] The utility model aims at the defects of large vibration of the whole machine and loud noise in the prior art of the shaver or hair clipper eccentric wheel assembly, and provides a damping balance structure of a shaver or hair clipper, which can reduce the vibration of the whole machine and noise.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of a damping balance structure of a shaver or hair clipper, the shaver or hair clipper includes a shell, a motor, a fixed cutter holder assembly and a moving cutter holder assembly, the motor is arranged in the shell, and the fixed cutter holder assembly and the moving cutter holder assembly are arranged in front of the shell; a limiting swing block is fixedly arranged on the moving cutter holder assembly, and a pushing groove is arranged at the center of the limiting swing block;

[0006] It also includes a damping balance structure, the damping balance structure includes a damping balance eccentric wheel, a motor rotating shaft and an eccentric wheel steel shaft; the damping balance eccentric wheel is an integral structure, including a large semi-cylindrical shape on one side and a small semi-cylindrical shape on the other side; the large semi-cylindrical shape and the small semi-cylindrical shape are opposite and combined, and the center line of the large semi-cylindrical shape and the center line of the small semi-cylindrical shape coincide;

[0007] The motor rotating shaft is arranged behind the damping balance eccentric wheel, and the front end of the motor rotating shaft is fixedly connected with the center of the arc where the rear semicylindrical end surface is located; the rear end of the eccentric wheel steel shaft is fixedly connected with the center of the arc where the front semicylindrical end surface is located; and the front end of the eccentric wheel steel shaft extends into the pushing groove forwardly;

[0008] The motor starts to rotate the damping balance eccentric wheel through the motor rotating shaft, the damping balance eccentric wheel pushes the limiting swing block to swing left and right through the eccentric wheel steel shaft, the limiting swing block drives the movable cutter holder assembly to swing left and right relative to the fixed cutter holder assembly, and the haircutting work is completed.

[0009] When the motor rotates, the eccentric force caused by the left and right movement of the cutter holder driven by the eccentric shaft can be balanced by the centrifugal force generated by the gravity on the other side of the eccentric wheel, so that the noise reduction and damping balance effect is achieved.

[0010] The damping balance eccentric wheel is symmetrically arranged on both sides of the line connecting the center of the circle where the large semicylindrical body is located and the center of the circle where the small semicylindrical body is located.

[0011] The diameter of the motor rotating shaft is greater than the diameter of the eccentric wheel steel shaft.

[0012] The damping balance eccentric wheel is integrally formed by powder metallurgy.

[0013] Compared with the prior art, the new design of the shaving razor / hair clipper eccentric head has the advantages that: the new design of the damping balance eccentric wheel structure deviates from the center point according to the mechanical principle, and is integrally formed by powder metallurgy; when the motor rotates, the eccentric force caused by the left and right movement of the cutter holder driven by the eccentric shaft can be balanced by the centrifugal force generated by the gravity on the other side of the eccentric wheel, so that the vibration and noise are reduced. Thus, the purpose of optimizing the product is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is: the internal structure perspective view of the shaving razor or hair clipper (with an organic shell);

[0015] Figure 2 is: the internal structure perspective view of the shaving razor or hair clipper (without an organic shell);

[0016] Figure 3 is: the top view of the damping balance eccentric wheel;

[0017] Figure 4 is: the assembled perspective view of the motor and the damping balance structure;

[0018] Figure 5 is: the assembled perspective view of the motor and the eccentric wheel assembly of the background technology;

[0019] Figure 6 is: the top view of the eccentric wheel assembly of the background technology.

[0020] Explanation of reference signs: casing 1, motor 2, fixed knife holder assembly 3, movable knife holder assembly 4, limiting swing block 5, damping balance eccentric wheel 6, large semi-cylindrical shape 601, small semi-cylindrical shape 602, motor rotating shaft 7, eccentric wheel steel shaft 8. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model. The "left, right, front and back" described in the present embodiment are for the convenience of description, and the technical solutions with opposite directions and the same structure are within the protection scope of the present application.

[0022] As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. Figures 1 to 4 As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. Figure 1 As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. Figure 2 As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4.

[0023] As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. Figure 3 As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4.

[0024] As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. Figure 1 As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4.

[0025] As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4. As shown in FIG. 1, a damping balance structure of a shaver or a hair clipper includes a casing 1, a motor 2, a fixed knife holder assembly 3 and a movable knife holder assembly 4.

[0026] When the motor 2 rotates, the eccentric force caused by the left and right movement of the tool holder driven by the eccentric shaft is balanced by the centrifugal force generated by the gravity center on the other side of the eccentric wheel, so as to achieve the effect of noise reduction and shock balance.

[0027] As shown in Figure 3 The shock balance eccentric wheel 6 is symmetrically arranged on both sides of the line connecting the center of the circle where the large semi-cylindrical body 601 is located and the center of the circle where the small semi-cylindrical body 602 is located.

[0028] As shown in Figure 3 The diameter of the motor shaft 7 is greater than the diameter of the eccentric wheel steel shaft 8.

[0029] As shown in Figure 3 The shock balance eccentric wheel 6 is integrally formed by powder metallurgy.

[0030] The above-mentioned embodiments are only the preferred embodiments of the present application, and the usual changes and replacements made by those skilled in the art within the technical scheme of the present application should be included in the protection scope of the present application.

Claims

1. A shock-absorbing balanced structure of a shaver or hair clipper, the shaver or hair clipper comprising a casing, a motor, a fixed blade holder assembly and a movable blade holder assembly, the motor being arranged in the casing, the fixed blade holder assembly and the movable blade holder assembly being arranged in front of the casing, a limiting swing block being fixedly arranged on the movable blade holder assembly, a pushing groove being arranged at the center of the limiting swing block, characterized in that: the shock-absorbing balanced structure comprises a shock-absorbing balanced eccentric wheel, a motor rotating shaft and an eccentric wheel steel shaft; the shock-absorbing balanced eccentric wheel is an integrated structure comprising a large semi-cylinder shape on one side and a small semi-cylinder shape on the other side; the large semi-cylinder shape and the small semi-cylinder shape are opposite and combined, the center line of the large semi-cylinder shape and the center line of the small semi-cylinder shape coincide with each other; the motor rotating shaft is arranged behind the shock-absorbing balanced eccentric wheel, the front end of the motor rotating shaft is fixedly connected with the center of the circular arc of the rear end face of the large semi-cylinder shape; the rear end of the eccentric wheel steel shaft is fixedly connected with the center of the circular arc of the front end face of the small semi-cylinder shape; the front end of the eccentric wheel steel shaft extends into the pushing groove. The shock-absorbing balanced eccentric wheel is symmetrically arranged on both sides of the connecting line between the center of the circle where the large semi-cylinder shape is located and the center of the circle where the small semi-cylinder shape is located. The diameter of the motor rotating shaft is larger than the diameter of the eccentric wheel steel shaft.

2. A shock absorbing balancing structure for a shaver or hair clipper according to claim 1, characterized in that: The shock-absorbing balanced eccentric wheel is integrally formed by powder metallurgy.

3. A shock absorbing balancing structure for a shaver or hair clipper according to claim 1, characterized in that: ​ 4. A shock absorbing balancing structure for a shaver or hair clipper according to claim 1, characterized in that: ​

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