Multi-layer soft lamination transmission connection structure for shaver

Abstract

A multilayer soft lamination transmission connection structure for a shaver belongs to the technical field of shavers and comprises a casing assembly, a frame, a motor, a motor shaft, a motor head, a connecting shaft, a tool bit shell, a gear assembly, a tool bit seat, an inner tool assembly and a flexible connection rotor. The tool bit shell is arranged above the machine shell assembly, the connecting shaft, the gear assembly, the tool bit seat and the inner tool assembly are arranged in the tool bit shell, and the upper portion of the connecting shaft is connected with the gear assembly in a meshed mode. The inner cutter assembly is upwards arranged on the cutter head seat, and the outer side of the gear assembly is in transmission connection with the inner cutter assembly; the flexible connection rotor comprises a bottom, a flexible connection part and a flexible connection part top disc; the flexible connecting part comprises a plurality of layers of soft lamination transmission connecting structures with the same structure and a plurality of pairs of flexible connecting sheets A; each soft lamination transmission connection structure comprises an upper soft lamination, a lower soft lamination and a pair of flexible connection sheets B; the shaver has the advantages that the product structure is simplified, production and assembly are easy, and normal rotation of the shaver head is guaranteed.

Description

Technical Field

[0001] The utility model discloses a transmission connection structure for a shaver, in particular to a multi-layer soft laminate transmission connection structure for a shaver, belonging to the technical field of shavers. Background Art

[0002] In order to make the multi-head shaver fit the human face more closely and make people feel comfortable when shaving, a spring is set inside each blade head when designing the multi-head shaver to facilitate angle adjustment and achieve the purpose of quickly cleaning the beard.

[0003] The utility model patent with authorization announcement number CN 208729852 U and application number 2018214866677 discloses a three-blade head combination structure for a novel rotary shaver. The head base of the utility model is equipped with three blade heads, each of which includes a swing frame, a movable blade coupling wheel is arranged in the middle of the upper end of the swing frame, a spring is arranged in the movable blade coupling wheel, a movable blade gear shaft is arranged at the upper end of the movable blade coupling wheel, a head passive gear is connected to the movable blade gear shaft, a movable blade shrapnel is connected to the head passive gear, a fixed blade pressure ring is arranged at the upper end of the movable blade shrapnel, and a large circular blade is arranged on the fixed blade pressure ring; the angle can be adjusted so that it can fit the user's face, and the corner area can be easily and quickly cleaned, that is, the difficult-to-clean positions can be quickly cleaned, meeting the user's needs to clean the beard easily and cleanly.

[0004] However, the above utility model patent has a complex structure, is troublesome to produce and assemble, and the spring is easily deformed, which affects the rotation of the razor head and brings inconvenience to beard cleaning. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-layer soft laminate transmission connection structure for a razor, which can simplify the product structure, make production and assembly easy, and ensure the normal rotation of the razor head in view of the defects of the above-mentioned prior art, such as complex product structure, troublesome production and assembly, and affected rotation of the razor head.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a multi-layer soft laminate transmission connection structure for a shaver, comprising a casing assembly, a frame, a motor, a motor shaft, a motor head, a connecting shaft, a cutter head housing, a gear assembly, a cutter head seat and an inner cutter assembly; the frame is arranged in the casing assembly, and the upper end of the frame is fixedly connected to the casing assembly; the motor is arranged in the casing assembly and below the frame, a downward blind hole is arranged in the middle of the motor head, and the motor shaft is inserted into the blind hole upward and fixedly connected with a tight fit; the cutter head housing is arranged above the casing assembly, the connecting shaft, the gear assembly, the cutter head seat and the inner cutter assembly are arranged in the cutter head housing, and the upper part of the connecting shaft is meshed and connected with the gear assembly; the inner cutter assembly is arranged on the cutter head seat in an upward direction, and the outer side of the gear assembly is transmission-connected with the inner cutter assembly;

[0007] It also includes a flexible connection rotor, the flexible connection rotor includes a bottom, a flexible connection part and a top plate of the flexible connection part; the bottom includes a bottom body and a bottom top plate, the bottom is provided with a center hole A, the center hole A is provided with a downward annular platform, the motor head is arranged in the center hole A below the annular platform, and the upper end surface of the motor head is closely abutted against the table surface of the annular platform;

[0008] The flexible connection part comprises a plurality of layers of soft laminate transmission connection structures with the same structure and a plurality of pairs of flexible connection pieces A; the bottom top plate and the soft laminate transmission connection structure, the upper and lower layers of soft laminate transmission connection structures, and the soft laminate transmission connection structure and the top plate of the flexible connection part are all flexibly connected by the flexible connection piece A; the flexible connection piece A is located in the front and rear main cross-section direction of the flexible connection rotor, and the flexible connection rotor can swing left and right through the flexible connection piece A;

[0009] Each soft lamination transmission connection structure comprises an upper soft lamination, a lower soft lamination and a pair of flexible connection sheets B; the upper soft lamination and the lower soft lamination are flexibly connected by the flexible connection sheet B; the flexible connection sheet B is located in the left and right main cross-section directions of the flexible connection rotor, and the flexible connection rotor can swing forward and backward through the flexible connection sheet B; the upper soft lamination is inclined downward to the left and right sides with its central cross-section as the reference, and the lower soft lamination is inclined upward to the left and right sides with its central cross-section as the reference;

[0010] A center hole B is provided at the center of the transmission connection structure of several layers of soft laminations, which can further increase the rotation flexibility of the flexible connection rotor;

[0011] The top plate of the flexible connection part is provided with a conical lower convex part, and a center hole C is provided in the conical lower convex part; the upper end of the connecting shaft is inserted into the center hole C and is tightly fitted with each other;

[0012] The frame and the casing assembly are an integrated structure, and the upper end of the frame is fixedly connected to the casing assembly by injection molding.

[0013] The flexible connection part includes two layers of soft laminate transmission connection structures, namely, a soft laminate transmission connection structure A and a soft laminate transmission connection structure B. The soft laminate transmission connection structure B is arranged above the soft laminate transmission connection structure A.

[0014] The upper soft lamination and the lower soft lamination of the soft lamination transmission connection structure are symmetrically arranged upward and downward based on the cross section of the midpoint of the line connecting the centers of the two slope surfaces.

[0015] The diameter of the center hole B is equal to the diameter of the center hole A. When the flexible connection rotor is in a natural state, the vertical projection of the center hole A coincides with the center hole B.

[0016] The outer end of the flexible connecting piece A is flush with the front and rear ends of the upper and lower soft laminates, and the inner end of the flexible connecting piece A is flush with the front and rear ends of the center hole B; the outer end of the flexible connecting piece B is flush with the left and right ends of the upper and lower soft laminates, and the inner end of the flexible connecting piece B is flush with the left and right ends of the center hole B.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The product structure is simplified and does not require multiple springs;

[0019] (2) Easy to produce and assemble, improving production efficiency;

[0020] (3) Make the razor head rotate normally to ensure that the razor remains in a comfortable position close to the face. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is: the cross-sectional structural diagram of the utility model;

[0022] Figure 2 yes: Figure 1 A magnified view of part A;

[0023] Figure 3 Yes: A three-dimensional diagram of the flexible connection rotor in its natural state;

[0024] Figure 4 It is: a combined diagram of a bottom top plate, a flexible connection part and a flexible connection part top plate;

[0025] Figure 5 Yes: Main view of the flexible connection rotor in working condition.

[0026] Explanation of the accompanying drawings: casing assembly 1, frame 2, motor 3, motor shaft 4, motor head 5, connecting shaft 6, cutter head housing 7, gear assembly 8, cutter head seat 9, inner cutter assembly 10, flexible connection rotor 11, bottom 1101, bottom body 1101A, bottom top plate 1101B, flexible connection part 1102, flexible connection part top plate 1103, conical lower protrusion 1104, center hole C 1105, center hole A12, annular platform 13, soft lamination transmission connection structure 14, flexible connection sheet A 1401, upper soft lamination 1402, lower soft lamination 1403, center hole B 1404, flexible connection sheet B 1405, soft lamination transmission connection structure A 14A, soft lamination transmission connection structure B14B. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figures 1 to 5 As shown, a multi-layer soft laminate transmission connection structure 14 for a shaver, such as Figure 1 and Figure 2 As shown, it includes a casing assembly 1, a frame 2, a motor 3, a motor shaft 4, a motor head 5, a connecting shaft 6, a cutter head housing 7, a gear assembly 8, a cutter head seat 9 and an inner cutter assembly 10; the frame 2 is arranged in the casing assembly 1, and the upper end of the frame 2 is fixedly connected to the casing assembly 1; the motor 3 is arranged in the casing assembly 1 and below the frame 2, and a downward blind hole is arranged in the middle of the motor head 5, and the motor shaft 4 is inserted upward into the blind hole and fixedly connected with a tight fit; the cutter head housing 7 is arranged above the casing assembly 1, and the connecting shaft 6, gear assembly 8, cutter head seat 9 and inner cutter assembly 10 are arranged in the cutter head housing 7, and the upper part of the connecting shaft 6 is meshedly connected with the gear assembly 8; the inner cutter assembly 10 is arranged on the cutter head seat 9 in an upward direction, and the outer side of the gear assembly 8 is drivingly connected with the inner cutter assembly 10;

[0029] like Figure 1 , Figure 2 and Figure 3As shown, it also includes a flexible connection rotor 11, the flexible connection rotor 11 includes a bottom 1101, a flexible connection part 1102 and a flexible connection part top plate 1103; the bottom 1101 includes a bottom body 1101A and a bottom top plate 1101B, the bottom 1101 is provided with a center hole A12, the center hole A12 is provided with a downward annular platform 13, the motor head 5 is arranged in the center hole A12 below the annular platform 13, and the upper end surface of the motor head 5 is closely abutted against the table surface of the annular platform 13;

[0030] like Figure 2 , Figure 3 and Figure 4 As shown, the flexible connection part 1102 includes two layers of soft laminate transmission connection structures 14 with the same structure and three pairs of flexible connection pieces A 1401; the bottom top plate 1101B and the soft laminate transmission connection structure 14, the upper and lower two layers of soft laminate transmission connection structures 14, and the soft laminate transmission connection structure 14 and the flexible connection part top plate 1103 are all flexibly connected by flexible connection pieces A 1401; the flexible connection pieces A 1401 are located in the front and rear main cross-sectional directions of the flexible connection rotor 11, and the flexible connection rotor 11 can swing left and right through the flexible connection pieces A 1401;

[0031] Each soft lamination transmission connection structure 14 includes an upper soft lamination 1402, a lower soft lamination 1403 and a pair of flexible connection sheets B1405; the upper soft lamination 1402 and the lower soft lamination 1403 are flexibly connected by the flexible connection sheet B1405; the flexible connection sheet B1405 is located in the left and right main cross-section directions of the flexible connection rotor 11, and the flexible connection rotor 11 can swing forward and backward through the flexible connection sheet B1405; the upper soft lamination 1402 is inclined downward to the left and right sides with its central cross-section as a reference, and the lower soft lamination 1403 is inclined upward to the left and right sides with its central cross-section as a reference;

[0032] The center of the two-layer soft lamination transmission connection structure 14 is provided with a center hole B 1404, which can further increase the rotation flexibility of the flexible connection rotor 11;

[0033] like Figure 1 and Figure 2 As shown, the flexible connection part top plate 1103 is provided with a conical lower convex portion 1104, and a center hole C 1105 is provided in the conical lower convex portion 1104; the upper end of the connecting shaft 6 is inserted into the center hole C 1105 and is tightly fitted with each other;

[0034] Action process: Figure 4 and Figure 5As shown, in the initial state, the flexible connection rotor 11 is in a vertical state; when the motor 3 is started, the motor shaft 4 drives the motor head 5 to rotate, and the motor head 5 drives the flexible connection rotor 11 to rotate and swing back and forth and left and right at the same time; the connection rotor drives the inner knife assembly 10 to swing back and forth and left and right through the gear assembly 8, ensuring that the shaver maintains a comfortable state close to the face.

[0035] like Figure 1 As shown, the frame 2 and the housing assembly 1 are an integrated structure, and the upper end of the frame 2 is fixedly connected to the housing assembly 1 by injection molding.

[0036] like Figure 2 , Figure 3 and Figure 4 As shown, the two-layer soft laminate transmission connection structure 14 is a soft laminate transmission connection structure A14A and a soft laminate transmission connection structure B14B, and the soft laminate transmission connection structure B14B is arranged above the soft laminate transmission connection structure A14A.

[0037] like Figure 3 and Figure 4 As shown, the upper soft lamination 1402 and the lower soft lamination 1403 of the soft lamination transmission connection structure 14 are symmetrically arranged upward and downward based on the cross section of the midpoint of the line connecting the centers of the two slope surfaces.

[0038] like Figure 4 and Figure 5 As shown, the diameter of the center hole B 1404 is equal to the diameter of the center hole A 12 . When the flexible connection rotor 11 is in a natural state, the vertical projection of the center hole A 12 coincides with the center hole B 1404 .

[0039] like Figure 4 and Figure 5 As shown, the outer end of the flexible connecting piece A 1401 is flush with the front and rear ends of the upper and lower soft laminates 1403, and the inner end of the flexible connecting piece A 1401 is flush with the front and rear ends of the center hole B 1404; the outer end of the flexible connecting piece B 1405 is flush with the left and right ends of the upper and lower soft laminates 1403, and the inner end of the flexible connecting piece B 1405 is flush with the left and right ends of the center hole B 1404.

[0040] The embodiments described above are only preferred implementations of the present invention. Common changes and substitutions made by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-layer soft laminate transmission connection structure for a razor, comprising a casing assembly, a frame, a motor, a motor shaft, a motor head, a connecting shaft, a cutter head housing, a gear assembly, a cutter head seat and an inner cutter assembly; the frame is arranged in the casing assembly, and the upper end of the frame is fixedly connected to the casing assembly; the motor is arranged in the casing assembly and below the frame, a downward blind hole is arranged in the middle of the motor head, and the motor shaft is inserted upward into the blind hole and is tightly fitted and fixedly connected; the cutter head housing is arranged above the casing assembly, the connecting shaft, the gear assembly, the cutter head seat and the inner cutter assembly are arranged in the cutter head housing, and the upper part of the connecting shaft is meshed and connected with the gear assembly; the inner cutter assembly is arranged on the cutter head seat in an upward direction, and the outer side of the gear assembly is transmission-connected to the inner cutter assembly, characterized in that: It also includes a flexible connection rotor, the flexible connection rotor includes a bottom, a flexible connection part and a top plate of the flexible connection part; the bottom includes a bottom body and a bottom top plate, the bottom is provided with a center hole A, the center hole A is provided with a downward annular platform, the motor head is arranged in the center hole A below the annular platform, and the upper end surface of the motor head is closely abutted against the table surface of the annular platform; The flexible connection part comprises a plurality of layers of soft laminate transmission connection structures with the same structure and a plurality of pairs of flexible connection pieces A; the bottom top plate and the soft laminate transmission connection structure, the upper and lower layers of soft laminate transmission connection structures, and the soft laminate transmission connection structure and the top plate of the flexible connection part are all flexibly connected by the flexible connection piece A; the flexible connection piece A is located in the front and rear main cross-section direction of the flexible connection rotor, and the flexible connection rotor can swing left and right through the flexible connection piece A; Each soft lamination transmission connection structure comprises an upper soft lamination, a lower soft lamination and a pair of flexible connection sheets B; The upper soft laminate and the lower soft laminate are flexibly connected by a flexible connecting sheet B; The flexible connecting piece B is located in the left and right main cross-section directions of the flexible connecting rotor, and the flexible connecting rotor can swing forward and backward through the flexible connecting piece B; the upper soft lamination is inclined downward to the left and right sides with its central cross-section as the reference, and the lower soft lamination is inclined upward to the left and right sides with its central cross-section as the reference; A center hole B is provided at the center of the transmission connection structure of several layers of soft laminations, which further increases the rotation flexibility of the flexible connection rotor; The top plate of the flexible connection part is provided with a conical lower convex part, and a center hole C is provided in the conical lower convex part; the upper end of the connecting shaft is inserted into the center hole C and is tightly matched with each other.

2. A multi-layer soft laminate transmission connection structure for a shaver according to claim 1, characterized in that: The frame and the casing assembly are an integrated structure, and the upper end of the frame is fixedly connected to the casing assembly by injection molding.

3. The multi-layer soft laminate transmission connection structure for a shaver according to claim 1, characterized in that: The flexible connection part includes two layers of soft laminate transmission connection structures, namely, a soft laminate transmission connection structure A and a soft laminate transmission connection structure B. The soft laminate transmission connection structure B is arranged above the soft laminate transmission connection structure A.

4. The multi-layer soft laminate transmission connection structure for a shaver according to claim 1, characterized in that: The upper soft lamination and the lower soft lamination of the soft lamination transmission connection structure are symmetrically arranged upward and downward based on the cross section of the midpoint of the line connecting the centers of the two slope surfaces.

5. The multi-layer soft laminate transmission connection structure for a shaver according to claim 1, characterized in that: The diameter of the center hole B is equal to the diameter of the center hole A. When the flexible connection rotor is in a natural state, the vertical projection of the center hole A coincides with the center hole B.

6. A multi-layer soft laminate transmission connection structure for a shaver according to claim 1, characterized in that: The outer end of the flexible connecting piece A is flush with the front and rear ends of the upper and lower soft laminates, and the inner end of the flexible connecting piece A is flush with the front and rear ends of the center hole B; the outer end of the flexible connecting piece B is flush with the left and right ends of the upper and lower soft laminates, and the inner end of the flexible connecting piece B is flush with the left and right ends of the center hole B.

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