Shaver device convenient to stably mount

By installing a bushing on the limiting shaft and utilizing the interference fit of the concave ring and the oil reservoir design, the wear and shaking problems of the shaver transmission device are solved, achieving stable installation and low-noise operation.

CN223700906UActive Publication Date: 2025-12-23ZHEJIANG MEISEN ELECTRICAL APPLIANCE
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Patent Information

Application Number
CN202520075851.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-12-23
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

The mounting shafts of existing shaver drive mechanisms are prone to wear, leading to shaking, noise, and unstable operation.

Method used

A bushing is fitted on the limiting shaft, and a concave ring is provided on the outer wall of the bushing. The outer diameter of the concave ring is reduced so that it can be inserted into the mounting groove for interference fit. The transmission block and the limiting shaft do not directly contact each other. An oil reservoir is provided to reduce friction. It is fixed by a clamp and combined with the shell structure design to achieve stable installation.

Benefits of technology

This design achieves a stable installation of the transmission block and the limit shaft, reducing wear, lowering noise, and improving operational stability and ease of installation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223700906U_ABST
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Abstract

The utility model relates to a shaver device convenient for stable installation, which comprises a shell, a motor arranged in the shell and driving teeth arranged on a motor shaft of the motor, and is characterized in that the shell is provided with a limiting shaft extending vertically, the limiting shaft is provided with a transmission block, one end of the transmission block is connected with a tool bit in an inserted mode, the transmission block is provided with driven teeth meshed with the driving teeth, and the driven teeth are meshed with the driving teeth. A mounting groove is formed in the transmission block, the limiting shaft is sleeved with a shaft sleeve, and a concave ring capable of being squeezed into the mounting groove to enable the shaft sleeve to be inserted into the mounting groove in an interference fit mode is arranged on the outer wall of the end of the shaft sleeve. The motor is simple in structure, convenient to install, stable in operation and low in noise by arranging the concave ring on the shaft sleeve.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a shaver device.

BACKGROUND TECHNIQUE

[0002] Electric shavers are all driven by motor to drive cutter head assembly, but the motor cannot be directly driven and needs to be decelerated through a transmission device before output, the existing transmission device like patent no.

UTILITY MODEL CONTENTS

[0003] The utility model discloses a simple structure, convenient installation, motion stable and convenient stable installation's shaver device are provided to overcome the defects of prior art.

[0004] In order to solve the above problems, the utility model adopts the following technical scheme:

[0005] A kind of shaver device of convenient stable installation, including shell, the shell is equipped with motor, the motor shaft of motor is installed with driving tooth, the shell is equipped with the limit shaft extending vertically, the limit shaft is equipped with the transmission block with one end and cutter head plug-in, the transmission block is equipped with driven tooth and meshes with driving tooth, the transmission block is equipped with installation slot, the limit shaft is equipped with shaft sleeve, the outer wall of the end portion of shaft sleeve is equipped with recess ring, which can be extruded into installation slot so that shaft sleeve can be inserted into the installation slot with interference fit.

[0006] As described above, a kind of shaver device of convenient stable installation, the transmission block is equipped with transmission groove with opening downwards and being communicated with installation slot, and the driven tooth is arranged on the inner wall of transmission groove.

[0007] As described above, a kind of shaver device of convenient stable installation, the recess ring is equipped with two and is respectively arranged on the upper and lower outer walls of the shaft sleeve.

[0008] As described above, a kind of shaver device of convenient stable installation, the shaft sleeve is copper sleeve, and the outer wall on one end of the limit shaft inserted into shaft sleeve is equipped with oil storage groove.

[0009] A shaving razor device with stable installation as described above, the housing comprises a lower housing and an upper housing, the lower housing and the upper housing form a cavity, the upper housing is provided with an opening at the upper end, the cavity is provided with an inner container, the upper end of the inner container is inserted into the upper housing so that the upper end of the inner container is exposed outside the opening, the motor is arranged in the inner container, the motor shaft of the motor penetrates the upper end of the inner container and is connected with the driving tooth, the limiting shaft is connected with the upper end of the inner container, the transmission block covers the driven tooth, and the end of the transmission block exposed outside the opening is provided with a connecting groove for connecting the razor head.

[0010] A shaving razor device with stable installation as described above, the upper housing is provided with a mounting cover covering the transmission block, the transmission block penetrates the mounting cover, the mounting cover is movably provided with a locking block, one end of the locking block is provided with a pressing hole, the locking block is provided with a locking hook capable of locking the razor head, and the locking block and the mounting cover are provided with a spring capable of springing and pressing the locking block to reset.

[0011] A shaving razor device with stable installation as described above, the mounting cover, the inner container and the upper housing are fixed by a first fixing screw in the upper housing, the upper cover is fixed on the mounting cover by a second screw, the upper middle part is provided with an annular port for inserting one end of the razor head, and the locking hook is exposed from the annular port.

[0012] The beneficial effects of the utility model are: the mounting groove is arranged on the transmission block, the shaft sleeve is arranged on the limiting shaft, the concave ring is arranged on the outer wall of the shaft sleeve, the outer diameter of the shaft sleeve is reduced by the concave ring, the end of the shaft sleeve is conveniently inserted into the mounting groove for positioning, the shaft sleeve is conveniently clamped by the clamp and is extruded into the mounting groove, the interference fit installation is realized, the structure is simple, the installation is convenient, the transmission block and the limiting shaft are not in diameter contact, are not easy to wear, and the installation is stable; the oil storage groove is arranged on the limiting shaft, lubricating oil is conveniently filled, and friction is reduced. ILLUSTRATION

[0013] Figure 1 It is a perspective view of the utility model;

[0014] Figure 2 It is a sectional view of the utility model:

[0015] Figure 3 It is Figure 2 I enlarged view;

[0016] Figure 4 It is an explosion view of the utility model;

[0017] Figure 5 It is a component perspective view of the utility model;

[0018] Figure 6This is a perspective view of the transmission block of this utility model;

[0019] Figure 7 This is a perspective view of the bushing of this utility model;

Detailed Implementation Methods

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0021] like Figures 1 to 7 As shown, a shaver device that is easy to install stably includes a housing 1, which is hand-held. A motor 2 is housed inside the housing 1, and a drive gear 30 is mounted on the motor shaft of the motor 2. A vertically extending limiting shaft 3 is provided on the housing 1, and a transmission block 4 is provided on the limiting shaft 3, one end of which is inserted into the shaver head. The transmission block 4 drives the shaver head. The transmission block 4 has a driven gear 41 that meshes with the drive gear 30. The driven gear 41 is an internal tooth, and its inner diameter is several times larger than the diameter of the drive gear 30. The transmission block 4 has a transmission groove 43 with its opening facing downwards and communicating with a mounting groove 42. The driven gear 41 is located on the inner wall of the transmission groove 43, and the mounting groove 42 covers the drive gear 30. The transmission block 4 has a mounting groove 42 in the middle. A bushing 5 is fitted onto the limiting shaft 3. The outer wall of the end of the bushing 5 has a concave ring 51 that can be pressed into the mounting groove 42, allowing the bushing 5 to be inserted into the mounting groove 42 with an interference fit. The concave ring 51 reduces the outer diameter of the bushing 5, making it easier for the end of the bushing 5 to be inserted into the mounting groove 42 for positioning. Then, the bushing 5 is pressed into the mounting groove 42 by a clamp, making installation convenient. The transmission block 4 and the limiting shaft 3 are installed firmly and are not easy to shake. The transmission block 4 drives the bushing 5 to rotate. The transmission block 4 and the limiting shaft 3 do not directly contact each other, so there will be no parametric wear. The bushing 5 rotates relative to the limiting shaft 3. The bushing 5 can be made of a wear-resistant material, such as copper. To further reduce wear, an oil reservoir 31 is provided on the outer wall of the end of the limiting shaft 3 that is inserted into the bushing 5. Lubricating oil can be added to the oil reservoir 31 to reduce friction. For easy installation, there are two concave rings 51, which are respectively located on the upper and lower outer walls of the bushing 5, allowing for blind installation without distinguishing between upper and lower parts, making installation convenient.

[0022] For the convenience of the whole installation, the shell 1 includes the lower shell 11 and the upper shell 12, the lower shell 11 upper end opening, the upper shell 12 lower end opening, the lower shell 11 and the upper shell 12 surrounding cavity, the upper shell 12 upper end is provided with opening 13, opening 13 is used for the installation of the cutter head, the cavity is provided with the inner container 6, the inner container 6 upper end is inserted into the upper shell 12 makes the inner container 6 upper end from the opening 13 exposed, the motor 2 is arranged in the inner container 6, the inner container 6 upper end is provided with vertical column, vertical column has shaft hole, the limit shaft 3 lower end is inserted into the shaft hole, the circuit board etc. in the inner container 6. The motor shaft of motor 2 from the upper end of the inner container 6 is inserted into the upper end of the inner container 6, the limit shaft 3 is inserted into the upper end of the inner container 6, the transmission block 4 will cover the driven tooth 41, the transmission block 4 is inserted into the upper end of the inner container 6, the limit shaft 3 upper end is not exposed, the transmission block 4 from the opening 13 one end is provided with the insertion slot 44 for the cutter head insertion, output power. The upper shell 12 is provided with the installation cover 14 covering the transmission block 4, the transmission block 4 is inserted into the installation cover 14, the installation cover 14 is relatively movably provided with the lock block 15, one side of the upper shell 12 is provided with the pressing hole 16 for the one end of the lock block 15 to extend into, the lock block 15 can move along the direction of the pressing hole 16, the lock block 15 is provided with the lock hook 17 capable of locking the cutter head, the lock block 15 and the installation cover 14 are provided with the spring 18 capable of pressing the lock block 15 reset, after pressing the lock block 15, the lock block 15 moves into the pressing hole 16, the lock hook 17 is separated from the cutter head assembly, so as to be unlocked, after being released, the lock block 15 is reset under the left and right force of the spring 18. The upper shell 12 is fixed through the first fixing screw 10, the installation cover 14, the inner container 6 and the upper shell 12, the upper shell 12 has a fixed sheet, the first fixing screw 10 passes through the installation cover 14, the fixed sheet, the inner container 6, so as to lock the installation cover 14, the inner container 6 and the upper shell 12, the installation cover 14 is fixed with the upper cover 19 through the second screw 20, the upper cover 19 is provided with the annular port 191 for the one end of the cutter head to insert, the lock hook 17 is exposed from the annular port 191.

Claims

1. A shaver device for easy and stable installation, comprising a housing (1) in which a motor (2) is provided, a driving tooth (30) being mounted on the motor shaft of the motor (2), characterized in that: The housing (1) is provided with a vertical extending limiting shaft (3), the limiting shaft (3) is provided with a transmission block (4) inserted with the cutter head at one end, the transmission block (4) is provided with a driven tooth (41) engaged with the driving tooth (30), the transmission block (4) is provided with an installation groove (42), the limiting shaft (3) is sleeved with a shaft sleeve (5), the outer wall of the end of the shaft sleeve (5) is provided with a concave ring (51) capable of being extruded into the installation groove (42) so that the shaft sleeve (5) can be inserted into the installation groove (42) in interference fit.

2. A shaver device according to claim 1, characterized in that: The transmission block (4) is provided with a transmission groove (43) with an opening downward and communicating with the installation groove (42), and the driven tooth (41) is arranged on the inner wall of the transmission groove (43).

3. A shaver device for easy and stable mounting according to claim 1, characterized in that: The concave ring (51) is provided with two concave rings respectively arranged on the upper and lower outer walls of the shaft sleeve (5).

4. A shaver device for easy and stable mounting according to claim 1, characterized in that: The shaft sleeve (5) is a copper sleeve, and the limiting shaft (3) is inserted into the shaft sleeve (5), and the outer wall of one end of the limiting shaft (3) is provided with an oil storage groove (31).

5. A shaver device for easy and stable mounting according to claim 1, characterized in that: The housing (1) comprises a lower housing (11) and an upper housing (12), the lower housing (11) and the upper housing (12) form a cavity, the upper housing (12) is provided with an opening (13) at the upper end, the cavity is provided with an inner container (6), the upper end of the inner container (6) is inserted into the upper housing (12) so that the upper end of the inner container (6) is exposed outside the opening (13), the motor (2) is arranged in the inner container (6), the motor shaft of the motor (2) penetrates out of the upper end of the inner container (6) for inserting the driving tooth (30), the limiting shaft (3) is inserted into the upper end of the inner container (6), the transmission block (4) covers the driven tooth (41), and one end of the transmission block (4) extending out of the opening (13) is provided with an insertion groove (44) for inserting the cutter head.

6. A shaver device for easy and stable mounting according to claim 5, characterized in that: The upper housing (12) is provided with a mounting cover (14) covering the transmission block (4), the transmission block (4) penetrates out of the mounting cover (14), the mounting cover (14) is relatively movably provided with a locking block (15), one side of the upper housing (12) is provided with a pressing hole (16) for inserting one end of the locking block (15), the locking block (15) is provided with a locking hook (17) capable of locking the cutter head, and a spring (18) capable of springing and pressing the locking block (15) to reset is arranged between the locking block (15) and the mounting cover (14).

7. A shaver device for easy and stable mounting according to claim 6, characterized in that The mounting cover (14), the inner container (6) and the upper housing (12) are fixed by the first fixing screw (10) in the upper housing (12), the upper cover (19) is fixed on the mounting cover (14) by the second screw (20), the upper cover (19) is provided with an annular opening (191) in the middle for inserting one end of the cutter head, and the locking hook (17) is exposed from the annular opening (191).

Citation Information

Patent Citations

  • Shaver transmission device and shaver

    CN109780138B