Driving device and hair trimming tool using same

Abstract

A driving device and a hair trimming tool applying the same are characterized in that at least one of two driving parts is connected with a power mechanism and moves along the length direction of a base under the driving of the power mechanism, and a limiting structure on the base can limit the length of the driving part in the moving process of the driving part. According to the hair trimming tool, the front-back position of the driving part on the base is limited, the limited driving part can only move in the horizontal direction, and therefore vibration is reduced in the working process of the hair trimming tool, and the trimming efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hair trimming equipment, in particular to a driving device and a hair trimming tool using the driving device. Background Art

[0002] In the prior art, when a hair trimming tool is trimming hair, the driving member will swing back and forth. This swing will cause the trimming tool to vibrate, affecting the trimming accuracy. Therefore, a driving device with a stable structure is urgently needed to drive the hair trimming tool to move. Summary of the Invention

[0003] In view of this, the utility model provides a driving device and a hair trimming tool using the driving device.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A driving device includes a base and at least two driving members, the driving members are movably fixed on the base, a limiting structure is provided on the base, the driving members are connected to the limiting structure, the limiting structure limits the front and rear positions of the driving members on the base, and linkage members are provided between adjacent driving members. The driving members are synchronously linked through the linkage members. When one of the driving members is displaced along the limiting structure under the drive of a power source, the other driving member is synchronously displaced under the drive of the linkage member.

[0006] Preferably, the limiting structure is horizontally arranged on the base along the length direction of the base, and the driving member has a connecting structure corresponding to the limiting structure, and the connecting structure is movably matched with the limiting structure.

[0007] Preferably, the two driving members consist of a main driving member and at least one auxiliary driving member, the base has a driving member mounting portion, the main driving member and the auxiliary driving member are both arranged in the driving member mounting portion, a power transmission member is arranged at the bottom end of the main driving member, the power transmission member drives the main driving member to move on the base, and when the main driving member moves, the auxiliary driving member is driven to move on the base through the linkage member.

[0008] Preferably, the limiting structure is a limiting groove opened on the base, and the limiting groove is horizontally arranged on the base along the length direction of the base. The connecting structure is a connecting end provided on the driving member, and the connecting end is formed by the bottom of the driving member protruding toward the inside of the limiting groove. The length of the limiting groove is greater than the length of the connecting end. The front and rear groove walls of the limiting groove fit with the front and rear end faces of the connecting end in the limiting groove, and limit the front and rear positions of the connecting end in the limiting groove.

[0009] Preferably, the limiting structure is a limiting shaft horizontally arranged on the base along the length direction of the base, and the connecting structure is a limiting through hole corresponding to the limiting shaft opened on the driving member. The driving member is mounted on the limiting shaft through the limiting through hole, and the driving member moves along the limiting shaft.

[0010] Preferably, the linkage member has a main linkage part and a secondary linkage part connecting the main driving member and the secondary driving member, the main linkage part and the secondary linkage part are symmetrically arranged at both ends of the linkage member, linkage holes are provided on the main linkage part and the secondary linkage part, the main driving member and the secondary driving member are respectively provided with connecting holes corresponding to the corresponding linkage holes, a transmission shaft is arranged between the connecting hole and the linkage hole, and the secondary driving member is driven to move by the transmission shaft during the movement of the main driving member.

[0011] Preferably, the linkage hole is arranged in the shape of a vertical bar on both sides of the main driving member and on at least one side of the auxiliary driving member, the cross-section of the transmission shaft is arranged in a circular shape, the length of the connection hole is greater than the diameter of the transmission shaft, and the width of the connection hole matches the diameter of the transmission shaft.

[0012] Preferably, a linkage rotating hole is provided in the center of the linkage member, a fixed shaft is provided in the linkage rotating hole, one end of the fixed shaft is fixedly connected to the base, a limiting member is provided on the top of the linkage member, and the other end of the linkage member is connected to the limiting member.

[0013] Preferably, a cover plate is provided on the base, the fixed shaft is fixedly provided on a side of the cover plate close to the base, a linkage rotating hole is provided in the center of the linkage part, the end of the fixed shaft away from the cover plate extends into the linkage rotating hole and is connected to the linkage part, and the cover plate and the base are snap-fitted.

[0014] A hair trimming tool includes a blade assembly and a driving device, wherein a blade connecting shaft is provided on each driving member, and the blade assembly includes a main blade assembly corresponding to the main driving member and a secondary blade assembly corresponding to the secondary driving member, wherein the main blade assembly and the secondary blade assembly are both connected to the corresponding blade connecting shaft, and the driving member drives the corresponding blade assembly to swing via the blade connecting shaft.

[0015] The beneficial effect of the present invention is that at least one of the two driving members is connected to the power mechanism and moves along the length direction of the base under the drive of the power mechanism, and the limiting structure on the base can limit the front and rear positions of the driving member on the base during the movement of the driving member. After being limited, the driving member can only move in the horizontal direction, thereby reducing vibration during the operation of the hair trimming tool and improving the trimming efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Attachment Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Attachment Figure 2 This is an exploded schematic diagram of the power transmission component and the base of the utility model;

[0019] Attachment Figure 3 Schematic diagram of the connection between the cover and the base;

[0020] Attachment Figure 4 For attachment Figure 3 Schematic diagram from another angle;

[0021] Attachment Figure 5 For attachment Figure 3 Cross-sectional view at AA in the middle;

[0022] Attachment Figure 6 For attachment Figure 3 Cross-sectional view at the middle BB;

[0023] Attachment Figure 7 This is a schematic diagram of the decomposition of the cover and the base;

[0024] Attachment Figure 8 is a schematic diagram of the base structure;

[0025] Attachment Figure 9 Schematic diagram of the main driving component structure;

[0026] Attachment Figure 10 Schematic diagram of the auxiliary drive structure;

[0027] Attachment Figure 11 Schematic diagram of the connection between the main drive component and the auxiliary drive component;

[0028] Attachment Figure 12 Schematic diagram of the hair trimming workpiece structure. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] The present invention will be further described below with reference to the accompanying drawings.

[0031] The utility model provides the following technical solutions:

[0032] As attached Figure 1-12 As shown, the present invention discloses a driving device, comprising a base 1 and at least two driving members 2, wherein the driving members 2 are movably fixed to the base 1, a limiting structure 3 is provided on the base 1, the driving members 2 are connected to the limiting structure 3, and the limiting structure 3 limits the front and rear positions of the driving members 2 on the base 1, and a linkage member is provided between adjacent driving members 2. The driving members are synchronously linked by the linkage member, and when one driving member is driven by a power source to move along the limiting structure, the other driving member is synchronously displaced under the drive of the linkage member. Specifically, in this design, at least one of the two driving members 2 is connected to a power mechanism and is driven by the power mechanism to move along the length direction of the base 1. The limiting structure 3 on the base 1 can limit the front and rear positions of the driving members 2 on the base 1 during the movement of the driving members 2. After being limited, the driving members 2 can only move in the horizontal direction, thereby reducing vibration during the operation of the hair trimming tool and improving trimming efficiency. Linkages between adjacent drive elements allow them to move in opposite directions, counteracting the vibration caused by the inertial impact forces generated when the drive elements switch direction. This reduces vibration, reduces operating noise, and provides a more comfortable grip. A limiter prevents the drive elements from swerving. If this occurs, the angle between the moving and stationary blades changes, impacting trimming performance.

[0033] A linkage member 8 is provided between the driving members 0, and the driving members 0 are synchronously linked through the linkage member 8. When one of the driving members 2 is driven by the power source (i.e., the motor) to move along the limiting structure, the other driving member is synchronously moved under the drive of the linkage member 8.

[0034] Furthermore, the limiting structure 3 is horizontally arranged on the base 1 along the length direction of the base 1, and the driving member 2 has a connecting structure 4 corresponding to the limiting structure 3, and the connecting structure 4 is movably matched with the limiting structure 3. Specifically, in this embodiment, the limiting structure 3 is horizontally arranged along the length direction of the base 1, and the driving member 2 is connected to the limiting structure 3 through the connecting structure 4 for movably matching. Through this design, it is ensured that the movement trajectory of the driving member 2 on the base 1 is precisely controlled, and mechanical failure or performance degradation caused by movement deviation is effectively prevented. In this embodiment, the connecting structure 4 is designed to closely match the limiting structure 3, which can not only ensure that the driving member 2 can move smoothly along the base 1 when needed, but also can be quickly and accurately locked when reaching the predetermined position, thereby achieving a precise control effect.

[0035] Furthermore, the two driving members 2 are composed of a main driving member 5 and at least one auxiliary driving member 6. The base 1 has a driving member mounting portion 7, and the driving member mounting portion 7 is a groove-shaped structure opened on the base 1. The main driving member 5 and the auxiliary driving member 6 are both arranged in the driving member mounting portion 7. A linkage member 8 is set between the main driving member 5 and the auxiliary driving member 6. A power transmission member 9 is set at the bottom end of the main driving member 5. The power transmission member 9 is an eccentric wheel. The eccentric wheel is set in a cylindrical structure. The top of the eccentric wheel protrudes away from the circular side to form an eccentric transmission end 10. A vertical strip-shaped transmission groove 11 is opened on the bottom end of the main driving member 5, and the eccentric transmission end 10 extends into the vertical strip-shaped The transmission groove 11 is connected to the main driving member 5, and the end of the power transmission member 9 away from the main driving member 5 is connected to a motor (not shown in the figure). The motor drives the main driving member 5 to move on the base 1 through the power transmission member 9 (i.e., the eccentric wheel). During the rotation of the motor, the eccentric transmission end 10 cooperates with the vertical strip-shaped transmission groove 11, so that the rotation is converted into linear motion. While the main driving member 5 moves, the auxiliary driving member 6 is driven to move on the base 1 through the linkage member 8. When the main driving member 5 is driven to perform linear motion on the limiting structure 3, since the auxiliary driving member 6 is connected to the main driving member 5 through the linkage member 8, the auxiliary driving member 6 performs linear motion at the same time.

[0036] In other embodiments, the driving member 2 may further include a main driving member 5 and two auxiliary driving members 6 arranged on both sides of the main driving member 5, and linkage members 8 connected to the auxiliary driving members 6 are also arranged on both sides of the main driving member 5.

[0037] Furthermore, the limiting structure 3 is a limiting groove opened on the base 1, and the limiting groove is horizontally arranged on the base 1 along the length direction of the base 1. The connecting structure 4 is a connecting end provided on the driving member 2, and the connecting end is formed by the bottom of the driving member 2 protruding toward the inside of the limiting groove. The length of the limiting groove is greater than the length of the connecting end. The front and rear side groove walls of the limiting groove are in contact with the front and rear end faces of the connecting end in the limiting groove, and the front and rear positions of the connecting end in the limiting groove are limited. Specifically, in this embodiment, the limiting structure 3 is a limiting groove, and the main driving member 5 and the auxiliary driving member 6 are movably arranged in the corresponding limiting grooves. The connecting structure 4 is a connecting end arranged at the bottom ends of the main driving member 5 and the auxiliary driving member 6 and extending into the limiting groove. The groove walls on the front and rear sides of the limiting groove are tightly fitted with the end faces corresponding to the connecting ends, so that the front and rear positions of the connecting ends in the limiting groove are limited and cannot move forward and backward, so that the main driving member 5 can only move linearly along the length direction of the limiting groove under the drive of the power transmission member 9, and the auxiliary driving member 6 also moves linearly along the corresponding limiting groove under the drive of the linkage member 8.

[0038] In another embodiment, the limiting structure 3 is a limiting shaft (not shown) arranged horizontally on the base 1 along the length of the base 1, and the connecting structure 4 is a limiting through-hole (not shown) opened on the driver 2 corresponding to the limiting shaft. The driver 2 is mounted on the limiting shaft through the limiting through-hole, and the driver 2 moves along the limiting shaft. Specifically, in this embodiment, by setting the limiting structure 3 as a limiting shaft arranged horizontally on the base 1 along the length of the base 1, and the connecting structure 4 as a matching limiting through-hole opened on the driver 2, this design not only ensures the stability of the driver 2 moving on the base 1, but also greatly improves the accuracy of its movement. The driver 2 effectively avoids any deviation or shaking that may occur during movement through the seamless cooperation between the limiting through-hole and the limiting shaft, thereby ensuring the stable operation of the entire mechanical system. In addition, the design of the limiting shaft and the limiting through-hole also facilitates the installation and disassembly of the driver 2. When the driver 2 needs to be replaced or repaired, it can be simply removed from the limiting shaft and reinstalled. This eliminates the need for complex disassembly procedures, significantly improving work efficiency. Furthermore, the combination of the limiting structure 3 and the connecting structure 4 exhibits a certain degree of adaptability. Even if the gap between the limiting shaft and the limiting through-hole changes during prolonged use due to wear or other factors, the driver 2 can still maintain a relatively stable motion trajectory, without significantly affecting the performance of the entire mechanical system.

[0039] Furthermore, the linkage member 8 has a main linkage portion 12 and a secondary linkage portion 13 connecting the main drive member 5 and the secondary drive member 6. The main linkage portion 12 and the secondary linkage portion 13 are symmetrically arranged at both ends of the linkage member 8. The main linkage portion 12 and the secondary linkage portion 13 are each provided with a linkage hole 14. The main drive member 5 and the secondary drive member 6 are respectively provided with a connection hole 15 corresponding to the corresponding linkage hole 14. A transmission shaft 16 is arranged between the connection hole 15 and the linkage hole 14. During the movement of the main drive member 5, the secondary drive member 6 is driven to move by the transmission shaft 16. Specifically, in this embodiment, the linkage member 8 is connected to the main drive member 5 and the secondary drive member 6 respectively by setting corresponding transmission shafts 16. This design not only ensures close cooperation between the main drive member 5 and the secondary drive member 6, but also makes the entire transmission system more stable and reliable. As key components, the symmetrical arrangement of the main linkage portion 12 and the secondary linkage portion 13 not only balances the overall structure, but also effectively reduces vibration and noise during movement, thereby improving user experience.

[0040] Furthermore, the linkage holes 14 are arranged in a vertical strip shape on both sides of the main drive member 5 and on at least one side of the auxiliary drive member 6. The cross-section of the transmission shaft 16 is circular. The length of the connecting hole 15 is greater than the diameter of the transmission shaft 16, and the width of the connecting hole 15 matches the diameter of the transmission shaft 16 (i.e., the diameter of the transmission shaft is the same as the width of the connecting hole, and the transmission shaft fits the inner walls of the connecting hole in the width direction). Specifically, in this embodiment, the design of the linkage holes 14 not only achieves a flexible connection between the main drive member 5 and the auxiliary drive member 6, but also ensures the smooth operation of the transmission shaft 16 therein. To further optimize the structure, a set of vertical strip-shaped linkage holes 14 are provided on each side of the main drive member 5, and on the auxiliary drive member 6, such linkage holes 14 are also provided on at least one side according to actual needs. This layout not only ensures transmission stability but also improves the compactness of the overall structure. As a key component for transmitting power, the transmission shaft 16 is carefully designed with a circular cross-section. This shape not only reduces frictional resistance during rotation but also improves transmission efficiency. At the same time, ensure that the diameter of the drive shaft 16 precisely matches the width of the connecting hole 15. In this way, when the drive shaft 16 is inserted into the connecting hole 15, a tight fit can be formed, avoiding shaking or offset during the transmission process, thereby ensuring the accuracy and reliability of the transmission. The length of the connecting hole 15 is deliberately designed to be larger than the diameter of the drive shaft 16, so that the drive shaft 16 has a certain amount of room to move within the connecting hole 15. This design is particularly important when dealing with slight vibrations or slight offsets. It can effectively absorb these unstable factors and ensure the stable operation of the transmission system. In addition, this design also facilitates the installation and disassembly of the drive shaft 16, reducing maintenance costs and time.

[0041] Reference Attachment Figure 1 、 2 As shown in Figures 9 and 11, further, a linkage rotating hole 17 is provided in the center of the linkage member 8, a fixed shaft 18 is provided in the linkage rotating hole 17, one end of the fixed shaft 18 is fixedly connected to the base 1, a limiter 19 is provided on the top of the linkage member 8, and the other end of the linkage member is connected to the limiter 19. Specifically, in this embodiment, the limiter 19 and the fixed shaft 18 are an integrated structure, the limiter 19 is a disc-shaped structure provided on the top of the fixed shaft 18, and the bottom end of the fixed shaft 18 passes through the linkage rotating hole 17 and is fixedly connected to the base 1. Such a design can mainly limit the axial direction of the linkage member 8 on the fixed shaft 18, thereby preventing the linkage member 8 from moving up and down during movement, thereby affecting the shaving efficiency.

[0042] Reference Attachment Figure 3-7Furthermore, a cover plate 20 is provided on the base 1. The fixed shaft 18 is fixedly provided on a side of the cover plate 20 close to the base 1. A linkage rotation hole 17 is provided in the center of the linkage member 8. The end of the fixed shaft 18, which is away from the cover plate 20, extends into the linkage rotation hole 17 and connects to the linkage member 8. The cover plate 20 is snap-fitted to the base 1. Specifically, in this embodiment, to prevent the linkage member 8 from moving up and down while the main drive member 5 drives the auxiliary drive member 6, thereby affecting shaving efficiency, the cover plate 20 is provided on the base 1. The fixed seat extending into the rotation hole of the linkage member 8 is fixed to the cover plate 20. The cover plate 20 is then snap-fitted to the base 1. This allows the linkage member 8 to be pressed by the cover plate 20, making it more stable during rotation and reducing unnecessary shaking. In addition, this design facilitates maintenance and replacement of the linkage member 8. By simply disassembling the snap-fit ​​connection, the cover plate 20 can be easily removed, allowing the linkage member 8 to be inspected or replaced.

[0043] The utility model also discloses a hair trimming tool, including a blade assembly and a driving device, wherein a blade connecting shaft 21 is provided on each driving member 2, and the blade assembly includes a main blade assembly 22 corresponding to the main driving member 5 and an auxiliary blade assembly 23 corresponding to the auxiliary driving member 6, and the main blade assembly 22 and the auxiliary blade assembly 23 are both connected to the corresponding blade connecting shaft 21, and the driving member 2 drives the corresponding blade assembly to swing through the blade connecting shaft 21.

[0044] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A driving device, characterized in that: It includes a base and at least two driving members, the driving members are movably fixed on the base, a limiting structure is set on the base, the driving member is connected to the limiting structure, the limiting structure limits the direction position of the driving member on the base perpendicular to the movement of the driving member, and a linkage member is set between adjacent driving members. The driving members are synchronously linked through the linkage member. When one of the driving members is driven by the power source and displaced along the limiting structure, the other driving member is synchronously displaced under the drive of the linkage member.

2. The driving device according to claim 1, characterized in that: The limiting structure is horizontally arranged on the base along the length direction of the base, and the driving member has a connecting structure corresponding to the limiting structure, and the connecting structure is movably matched with the limiting structure.

3. The driving device according to claim 1, wherein: The driving member is composed of a main driving member and at least one auxiliary driving member. The base has a driving member mounting portion. The main driving member and the auxiliary driving member are both arranged in the driving member mounting portion. A power transmission member is arranged at the bottom end of the main driving member. The power transmission member drives the main driving member to move on the base. When the main driving member moves, the auxiliary driving member is driven to move on the base through the linkage member.

4. The driving device according to claim 2, characterized in that: The limiting structure is a limiting groove opened on the base, and the limiting groove is horizontally arranged on the base along the length direction of the base. The connecting structure is a connecting end arranged on the driving member, and the connecting end is formed by the bottom of the driving member protruding toward the inside of the limiting groove. The length of the limiting groove is greater than the length of the connecting end. The front and rear groove walls of the limiting groove are in contact with the front and rear end faces of the connecting end in the limiting groove, and limit the front and rear positions of the connecting end in the limiting groove.

5. The driving device according to claim 2, characterized in that: The limiting structure is a limiting shaft horizontally arranged on the base along the length direction of the base, and the connecting structure is a limiting through hole corresponding to the limiting shaft opened on the driving member. The driving member is sleeved on the limiting shaft through the limiting through hole, and the driving member moves along the limiting shaft.

6. The driving device according to claim 3, characterized in that: The linkage member includes a main linkage part and a secondary linkage part connecting the main driving member and the secondary driving member, the main linkage part and the secondary linkage part are symmetrically arranged at both ends of the linkage member, and linkage holes are provided on the main linkage part and the secondary linkage part. The main driving member and the secondary driving member are respectively provided with connecting holes corresponding to the corresponding linkage holes, and a transmission shaft is arranged between the connecting hole and the linkage hole. During the movement of the main driving member, the secondary driving member is driven to move by the transmission shaft.

7. The driving device according to claim 6, characterized in that: The linkage holes are arranged in the shape of vertical bars on both sides of the main driving part and on at least one side of the auxiliary driving part. The cross-section of the transmission shaft is arranged in a circular shape. The length of the connection hole is greater than the diameter of the transmission shaft, and the width of the connection hole matches the diameter of the transmission shaft.

8. The driving device according to claim 3, characterized in that: A linkage rotating hole is provided in the center of the linkage member, a fixed shaft is provided in the linkage rotating hole, one end of the fixed shaft is fixedly connected to the base, a limiting member is provided on the top of the linkage member, and the other end of the linkage member is connected to the limiting member.

9. The driving device according to claim 8, characterized in that: A cover plate is provided on the base, the fixed shaft is fixedly provided on a side of the cover plate close to the base, a linkage rotating hole is provided in the center of the linkage part, one end of the fixed shaft away from the cover plate extends into the linkage rotating hole and is connected to the linkage part, and the cover plate and the base are snap-fitted.

10. A hair trimming tool, characterized in that: It includes a blade assembly and a driving device according to any one of claims 1 to 9, characterized in that a blade connecting shaft is provided on the driving member, the blade assembly includes a main blade assembly corresponding to the main driving member and an auxiliary blade assembly corresponding to the auxiliary driving member, the main blade assembly and the auxiliary blade assembly are both connected to the corresponding blade connecting shaft, and the driving member drives the corresponding blade assembly to swing through the blade connecting shaft.

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