Shaver transmission device and shaver

By hoisting and positioning the first transmission wheel assembly and the second transmission wheel assembly on the positioning frame in the transmission device of the shaver, the problems of excessive noise and reduced transmission efficiency caused by inaccurate installation and positioning are solved, and a more efficient transmission and lower noise shaving experience is achieved.

CN109780138BActive Publication Date: 2025-02-28SHANGHAI FLYCO ELECTRICAL APPLIANCE

Patent Information

Application Number
CN201910160122.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-03-04
Publication Date
2025-02-28
Estimated Expiration
2039-03-04

AI Technical Summary

Technical Problem

In the gear transmission device of the existing shaver, the central rotor device and the circumferential rotor device in the second stage transmission assembly are inaccurately installed and positioned, resulting in excessive noise and reduced transmission efficiency.

Method used

By hoisting and positioning both the first and second transmission wheel assemblies on the positioning frame, they are ensured to be more accurate in installation and positioning.

Benefits of technology

It effectively reduces noise, improves transmission efficiency, and ensures the normal use of the razor.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The present application relates to the technical field of razors, and in particular to a razor transmission device and a razor. The razor transmission device includes a first transmission device and a second transmission device; the second transmission device includes a first transmission wheel assembly, a second transmission wheel assembly and a positioning frame, wherein the first transmission wheel assembly is detachably connected to the first transmission device, and the first transmission device can drive the first transmission wheel assembly to rotate; the positioning frame can be installed on the cutter head frame, the first transmission wheel assembly and the second transmission wheel assembly are hoisted on the positioning frame, and the first transmission wheel assembly and the second transmission wheel assembly are connected to drive the second transmission wheel assembly to rotate. The razor transmission device provided by the present application, by hoisting and positioning the first transmission wheel assembly and the second transmission wheel assembly on the positioning frame, solves to a certain extent the technical problems of excessive noise and reduced transmission efficiency caused by the first transmission wheel assembly and the second transmission wheel assembly being installed and positioned on different parts during the assembly process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of shavers, and in particular to a shaver transmission device and a shaver. Background Art

[0002] In the existing gear transmission device of the shaver, the central rotating wheel device and the peripheral rotating wheel device in the second-stage transmission assembly are installed and positioned on different parts. Since most of the parts in the shaver are made of plastic, the parts are easily deformed during the injection molding process. During the assembly process, the central gear shaft and the peripheral gear shaft are easily deformed and offset, resulting in technical problems such as excessive noise and reduced transmission efficiency when the product is used. Summary of the invention

[0003] The purpose of the present application is to provide a razor transmission device, which solves the technical problems of excessive noise and reduced transmission efficiency caused by the first transmission wheel assembly and the second transmission wheel assembly being installed and positioned on different parts during the assembly process to a certain extent by hoisting and positioning both the first transmission wheel assembly and the second transmission wheel assembly on a positioning frame.

[0004] The present application provides a razor transmission device, comprising a first transmission device and a second transmission device; the second transmission device comprises a first transmission wheel assembly, a second transmission wheel assembly and a positioning frame, wherein the first transmission wheel assembly is detachably connected to the first transmission device, and the first transmission device can drive the first transmission wheel assembly to rotate; the positioning frame can be installed on a cutter head frame, the first transmission wheel assembly and the second transmission wheel assembly are hoisted on the positioning frame, and the first transmission wheel assembly and the second transmission wheel assembly are connected to drive the second transmission wheel assembly to rotate.

[0005] In the above technical solution, further, the first transmission wheel assembly includes a first wheel axle and a first gear; the first gear is installed on the first wheel axle, and the first gear is also detachably connected to the first transmission device; a rotating shaft blind hole is opened on the positioning frame, and the top of the first wheel axle is hoisted in the rotating shaft blind hole.

[0006] In the above technical solution, further, the second transmission wheel assembly includes a second wheel axle and a second gear; the second gear is installed on one end of the second wheel axle, a rotating shaft through hole is opened on the positioning frame, the second wheel axle passes through the rotating shaft through hole, and the other end of the second wheel axle is used to install the razor assembly; the rotating shaft through hole is a stepped hole, and a limiting boss is arranged on the second wheel axle, and the stepped surface of the stepped hole is in contact with the table surface of the limiting boss.

[0007] In the above technical solution, further, the positioning frame is provided with a locking groove, and the locking groove is used to adapt to the locking protrusion on the tool head frame; the positioning frame is also provided with a mounting hole, and the mounting hole is used to connect the mounting bracket with the tool head frame.

[0008] In the above technical solution, further, it also includes a coupling; the coupling includes a coupling block and a coupling slot, the coupling block is inserted into the coupling slot, and the coupling block and the coupling slot are detachably connected; the coupling block is connected to the first transmission wheel assembly, and the coupling slot is connected to the first transmission device.

[0009] In the above technical solution, further, the first transmission device includes a third transmission wheel assembly; the third transmission wheel assembly includes a third wheel axle and a third gear, the third gear is installed on the third wheel axle, one end of the third wheel axle is connected to the coupling slot, the other end of the third wheel axle can be installed on the driving bracket, and the third wheel axle can rotate relative to the driving bracket; the third gear can engage with the driving gear.

[0010] In the above technical solution, further, it also includes a waterproof baffle; the waterproof baffle is located between the third gear and the coupling slot, and a connecting hole is opened on the waterproof baffle, and the third wheel axle passes through the connecting hole.

[0011] In the above technical solution, further, it also includes a sideburn cutter transmission mechanism; the sideburn cutter transmission mechanism includes a swing plate, a rotating shaft and a swing arm, the swing plate is located on the top surface of the third gear, the third gear can drive the swing plate to swing along a set trajectory with the rotating shaft as the center, one end of the swing arm is connected to the rotating shaft, and the other end of the swing arm is used to connect to the sideburn cutter assembly.

[0012] In the above technical solution, further, a swing protrusion is arranged on the top surface of the third gear, an eccentric hole is opened on the swing protrusion, and the third wheel axle passes through the eccentric hole; a swing hole is opened on the swing plate, and the swing protrusion is located in the swing hole.

[0013] The present application also provides a razor, comprising a cutter head frame, a drive bracket and the razor transmission device described in the above scheme, the cutter head frame and the drive bracket are detachably connected, the first transmission device is installed on the drive bracket, and the second transmission device is installed on the cutter head frame.

[0014] Compared with the prior art, the beneficial effects of this application are:

[0015] The razor transmission device provided in the present application includes a first transmission device and a second transmission device; the second transmission device includes a first transmission wheel assembly, a second transmission wheel assembly and a positioning frame, wherein the first transmission wheel assembly is detachably connected to the first transmission device, and the first transmission device can drive the first transmission wheel assembly to rotate; the positioning frame can be installed on the cutter head frame, the first transmission wheel assembly and the second transmission wheel assembly are hoisted on the positioning frame, and the first transmission wheel assembly and the second transmission wheel assembly are connected to drive the second transmission wheel assembly to rotate.

[0016] Specifically, the razor transmission device provided by the present application includes a detachable first transmission device and a second transmission device, that is, the integrated box-type gear structure is split, which can reduce the size of the razor head, realize the miniaturization of the product and facilitate the cleaning of the user. The first transmission device transmits power to the second transmission device, and the second transmission device drives the razor assembly to rotate, thereby realizing the shaving function. The second transmission device is provided with a first transmission wheel assembly, a second transmission wheel assembly and a positioning frame, wherein the first transmission wheel assembly transmits power to the second transmission wheel assembly, the second transmission wheel assembly is connected to the razor assembly and drives the blade to rotate, and the positioning frame can separate the razor assembly and the second transmission wheel assembly. The first transmission wheel assembly and the second transmission wheel assembly are both hoisted on the positioning frame. The positioning frame supports the first transmission wheel assembly and the second transmission wheel assembly on the one hand, and can position the first transmission wheel assembly and the second transmission wheel assembly more accurately on the other hand, so as to ensure that the power between the two can be reliably transmitted, and prevent the occurrence of technical problems such as excessive noise and reduced transmission efficiency due to the first transmission wheel assembly and the second transmission wheel assembly being installed and positioned on different parts during the assembly process.

[0017] The razor transmission device provided in the present application solves the technical problems of excessive noise and reduced transmission efficiency caused by the first transmission wheel assembly and the second transmission wheel assembly being installed and positioned on different parts during the assembly process to a certain extent by hoisting and positioning both the first transmission wheel assembly and the second transmission wheel assembly on a positioning frame.

[0018] The present application also provides a razor, including the razor transmission device described in the above solution. Based on the above analysis, it can be seen that the razor solves the technical problems of excessive noise and reduced transmission efficiency caused by the first transmission wheel assembly and the second transmission wheel assembly being installed and positioned on the positioning frame to a certain extent during the assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A schematic diagram of the structure of a razor transmission device provided in Example 1 of the present application;

[0021] Figure 2 The razor transmission device provided in the first embodiment of the present application is Figure 1 An enlarged schematic diagram of point B in FIG.

[0022] Figure 3 A schematic cross-sectional structure diagram of a shaver transmission device provided in Example 1 of the present application;

[0023] Figure 4 The razor transmission device provided in the first embodiment of the present application is Figure 3 An enlarged schematic diagram of A in FIG.

[0024] Figure 5 A schematic diagram of the structure of a razor transmission device provided in Embodiment 2 of the present application;

[0025] Figure 6 A schematic diagram of the structure of the hairbrush transmission mechanism provided in Example 2 of the present application;

[0026] Figure 7 A schematic diagram of the cross-sectional structure of a shaver provided in Embodiment 3 of the present application;

[0027] Figure 8 This is a schematic diagram of the partial cross-sectional structure of the razor provided in Example 3 of the present application.

[0028] In the figure: 101-first transmission device; 102-second transmission device; 103-first transmission wheel assembly; 104-second transmission wheel assembly; 105-positioning frame; 106-coupling; 107-coupling block; 108-coupling slot; 109-first wheel shaft; 110-first gear; 111-blind hole of rotating shaft; 112-second wheel shaft; 113-second gear; 114-rotating shaft through hole; 115-positioning slot; 116-mounting hole; 117-third transmission wheel assembly; 118-third wheel shaft; 119-third gear; 120-driving gear; 121-waterproof baffle; 122-sideknife transmission mechanism; 123-swinging plate; 124-rotating shaft; 125-swinging arm; 126-swinging protrusion; 127-eccentric hole; 128-swinging hole; 129-cutter head frame; 130-driving bracket. DETAILED DESCRIPTION

[0029] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0030] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] Embodiment 1

[0033] See also Figures 1 to 3 As shown, Figure 1 A schematic diagram of the structure of a razor transmission device provided in Example 1 of the present application; Figure 2 The razor transmission device provided in the first embodiment of the present application is Figure 1 An enlarged schematic diagram of point B in FIG. Figure 3 This is a schematic cross-sectional structure diagram of a razor transmission device provided in Example 1 of the present application.

[0034] The razor transmission device provided in the present application includes a first transmission device 101 and a second transmission device 102; the second transmission device 102 includes a first transmission wheel assembly 103, a second transmission wheel assembly 104 and a positioning frame 105, wherein the first transmission wheel assembly 103 is detachably connected to the first transmission device 101, and the first transmission device 101 can drive the first transmission wheel assembly 103 to rotate; the positioning frame 105 can be installed on a cutter head frame 129, the first transmission wheel assembly 103 and the second transmission wheel assembly 104 are hoisted on the positioning frame 105, and the first transmission wheel assembly 103 and the second transmission wheel assembly 104 are connected to drive the second transmission wheel assembly 104 to rotate.

[0035] Specifically, the razor transmission device provided by the present application includes a detachable first transmission device 101 and a second transmission device 102, that is, the integrated box-type gear structure is split, which can reduce the size of the razor head, realize the miniaturization of the product and facilitate user cleaning. The first transmission device 101 transmits power to the second transmission device 102, and the second transmission device 102 drives the razor assembly to rotate, thereby realizing the shaving function. The second transmission device 102 is provided with a first transmission wheel assembly 103, a second transmission wheel assembly 104 and a positioning frame 105, wherein the first transmission wheel assembly 103 transmits power to the second transmission wheel assembly 104, the second transmission wheel assembly 104 is connected to the razor assembly to drive the blade to rotate, and the positioning frame 105 can separate the razor assembly and the second transmission wheel assembly 104. The first transmission wheel assembly 103 and the second transmission wheel assembly 104 are both hoisted on the positioning frame 105. The positioning frame 105 supports the first transmission wheel assembly 103 and the second transmission wheel assembly 104 on the one hand, and can more accurately position the first transmission wheel assembly 103 and the second transmission wheel assembly 104 on the other hand, thereby ensuring that power can be reliably transmitted therebetween, and preventing technical problems such as excessive noise and reduced transmission efficiency caused by the first transmission wheel assembly 103 and the second transmission wheel assembly 104 being installed and positioned on different parts during the assembly process.

[0036] The razor transmission device provided in the present application solves the technical problems of excessive noise and reduced transmission efficiency caused by the first transmission wheel assembly 103 and the second transmission wheel assembly 104 being installed and positioned on different parts during the assembly process to a certain extent by hoisting and positioning the first transmission wheel assembly 103 and the second transmission wheel assembly 104 on the positioning frame 105.

[0037] In an optional scheme of this embodiment, the first transmission wheel assembly 103 includes a first wheel axle 109 and a first gear 110; the first gear 110 is installed on the first wheel axle 109, and the first gear 110 is also detachably connected to the first transmission device 101; a rotating shaft blind hole 111 is opened on the positioning frame 105, and the top of the first wheel axle 109 is suspended in the rotating shaft blind hole 111.

[0038] In this embodiment, the positioning frame 105 is provided with a rotating shaft blind hole 111, and the first wheel shaft 109 is located in the rotating shaft blind hole 111, thereby realizing the positioning function. Specifically, the positioning frame 105 includes a flat plate portion and a blind hole protrusion portion, the blind hole protrusion portion protrudes from the surface of the flat plate portion, and the rotating shaft blind hole 111 is provided in the blind hole protrusion portion to deepen the depth of the rotating shaft blind hole 111, so as to reduce the shaking generated by the first wheel shaft 109 during rotation, thereby ensuring the stability of the transmission.

[0039] Optionally, a supporting boss is provided at the end of the first axle 109 for supporting the weight of the first gear 110. The end of the first axle 109 and the first gear 110 are arranged to be relatively rotatable, and the first axle 109 is fixed on the positioning frame 105, specifically, the first axle 109 and the positioning frame 105 can be connected by cold riveting; or the first axle 109 and the first gear 110 are fixedly connected, specifically, the first axle 109 and the first gear 110 can be connected by cold riveting, and the first axle 109 and the positioning frame 105 can be relatively rotatable, and the shaft blind hole 111 can be arranged as a stepped blind hole, and the shape of the top of the first axle 109 is adapted to the shape of the stepped blind hole, so as to realize the hoisting function of the first axle 109. The above methods can all realize the function of the positioning frame 105 to install and position the first transmission wheel assembly 103.

[0040] In an optional solution of this embodiment, the second transmission wheel assembly 104 includes a second wheel shaft 112 and a second gear 113; the second gear 113 is installed at one end of the second wheel shaft 112, a shaft through hole 114 is opened on the positioning frame 105, the second wheel shaft 112 passes through the shaft through hole 114, and the other end of the second wheel shaft 112 is used for installing the razor assembly; the shaft through hole 114 is a stepped hole, and a limiting boss is provided on the second wheel shaft 112, and the stepped surface of the stepped hole is in contact with the table surface of the limiting boss.

[0041] In this embodiment, the second transmission wheel assembly 104 includes a second wheel shaft 112 and a second gear 113. Specifically, the second wheel shaft 112 and the second gear 113 can be connected by cold riveting. The second gear 113 is meshed with the first gear 110 so that the first gear 110 drives the second gear 113 to rotate. A shaft through hole 114 is provided on the positioning frame 105. The shaft through hole 114 is a stepped hole. A limiting boss adapted to the stepped hole is provided on the second wheel shaft 112. The second wheel shaft 112 can not only pass through the shaft through hole 114 to connect with the razor assembly, but the shaft through hole 114 on the positioning frame 105 can also support the second transmission wheel assembly 104, that is, the positioning frame 105 can also realize the installation and positioning of the first transmission wheel assembly 103. When the first transmission wheel assembly 103 and the second transmission wheel assembly 104 are assembled on the positioning frame 105, the problem of installation deviation is not easy to occur.

[0042] Optionally, the positioning frame 105 includes a through hole protrusion, which protrudes from the surface of the flat plate portion. The shaft through hole 114 is opened in the through hole protrusion to deepen the depth of the shaft through hole 114 to reduce the shaking of the second wheel axle 112 during rotation and ensure the stability of the transmission.

[0043] In an optional solution of this embodiment, a locking groove 115 is provided on the positioning frame 105, and the locking groove 115 is used to adapt to the locking protrusion on the tool head frame 129; the positioning frame 105 is also provided with a mounting hole 116, and the mounting hole 116 is used to connect the mounting bracket with the tool head frame 129.

[0044] In this embodiment, the positioning frame 105 is provided with a positioning groove 115 and a mounting hole 116, and the positioning frame 105 can be fixed on the cutter head frame 129. Specifically, the positioning frame 105 can be fastened by fasteners passing through the mounting hole 116. Optionally, the shape of the positioning frame 105 is adapted to the shape of the cutter head frame 129.

[0045] See also Figure 4 As shown, Figure 4 The razor transmission device provided in the first embodiment of the present application is Figure 3 An enlarged schematic diagram of point A in FIG.

[0046] In an optional solution of this embodiment, the shaver transmission device also includes a coupling 106; the coupling 106 includes a coupling block 107 and a coupling slot 108, the coupling block 107 is inserted into the coupling slot 108, and the coupling block 107 and the coupling slot 108 are detachably connected; the coupling block 107 is connected to the first transmission wheel assembly 103, and the coupling slot 108 is connected to the first transmission device 101.

[0047] In this embodiment, the first transmission device 101 and the second transmission device 102 are detachably connected through the coupling 106. Specifically, the coupling 106 is divided into a detachable coupling block 107 and a coupling slot 108. The coupling block 107 can be inserted into the coupling slot 108 and pulled out from the coupling slot 108 to achieve the disassembly function. The coupling block 107 is connected to the first transmission wheel assembly 103 located above, and the coupling slot 108 is connected to the first transmission device 101 located below. While the coupling slot 108 and the coupling block 107 achieve the connection function, the coupling slot 108 can also support the coupling block 107.

[0048] Optionally, the coupling block 107 may be connected to the first transmission device 101 , and the coupling slot 108 may be connected to the first transmission wheel assembly 103 according to actual conditions.

[0049] In an optional solution of this embodiment, an elastic member is provided between the coupling block 107 and the positioning frame 105, and the elastic force of the elastic member pushes the coupling block 107 into the coupling slot 108 to ensure that the coupling slot 108 and the coupling block 107 can be reliably engaged to prevent separation during rotation.

[0050] Embodiment 2

[0051] The shaver transmission device in the second embodiment is an improvement on the above embodiment. The technical contents disclosed in the above embodiment are not described repeatedly, and the contents disclosed in the above embodiment also belong to the contents disclosed in the second embodiment.

[0052] See also Figure 5 As shown, Figure 5 This is a schematic diagram of the structure of a razor transmission device provided in Example 2 of the present application.

[0053] In an optional scheme of this embodiment, the first transmission device 101 includes a third transmission wheel assembly 117; the third transmission wheel assembly 117 includes a third wheel shaft 118 and a third gear 119, the third gear 119 is installed on the third wheel shaft 118, one end of the third wheel shaft 118 is connected to the coupling slot 108, the other end of the third wheel shaft 118 can be installed on the driving bracket 130, and the third wheel shaft 118 can rotate relative to the driving bracket 130; the third gear 119 can engage with the driving gear 120.

[0054] In this embodiment, the first transmission device 101 includes a third transmission wheel assembly 117, and the third transmission wheel assembly 117 is used to transmit the power of the driving device to the second transmission device 102. The third transmission wheel assembly 117 includes a third wheel shaft 118 and a third gear 119, and the third wheel shaft 118 and the third gear 119 are cold-riveted. Specifically, the third gear 119 is an internal gear, and the driving gear 120 is located in the third gear 119 and meshes with it. The design of the internal gear greatly reduces the occupied space, which is conducive to miniaturization of the product and improves the user experience.

[0055] In an optional solution of this embodiment, the shaver transmission device further includes a waterproof baffle 121; the waterproof baffle 121 is located between the third gear 119 and the coupling slot 108, and a connecting hole is opened on the waterproof baffle 121, and the third wheel shaft 118 passes through the connecting hole.

[0056] In this embodiment, the waterproof baffle 121 is located between the third gear 119 and the coupling slot 108. The waterproof baffle 121 can prevent water from flowing into the charged driving device and causing damage to the driving device. A connecting hole is provided on the waterproof baffle 121, and the third wheel shaft 118 passes through the connecting hole to realize power transmission.

[0057] See also Figure 5 and Figure 6 As shown, Figure 6 This is a schematic diagram of the structure of the sideburn razor transmission mechanism 122 provided in the second embodiment of the present application.

[0058] In an optional scheme of this embodiment, the razor transmission device also includes a sideburn cutter transmission mechanism 122; the sideburn cutter transmission mechanism 122 includes a swing plate 123, a rotating shaft 124 and a swing arm 125, the swing plate 123 is located on the top surface of the third gear 119, and the third gear 119 can drive the swing plate 123 to swing along a set trajectory with the rotating shaft 124 as the center, one end of the swing arm 125 is connected to the rotating shaft 124, and the other end of the swing arm 125 is used to connect to the sideburn cutter assembly.

[0059] In this embodiment, the razor transmission device further includes a sideburn cutter transmission mechanism 122, which can drive the sideburn cutter assembly to achieve a cutting function. The sideburn cutter transmission mechanism 122 includes a swing plate 123, a rotating shaft 124 and a swing arm 125. Specifically, the swing plate 123 and the swing arm 125 are respectively located on both sides of the waterproof partition 121. A through hole for the rotating shaft 124 is provided on the waterproof partition 121 so that the rotating shaft 124 passes through the hole. The swing plate 123 swings under the drive of the third gear 119 and drives the swing arm 125 to swing. The swing arm 125 swings to drive the sideburn cutter to cut.

[0060] In an optional solution of this embodiment, a swing protrusion 126 is provided on the top surface of the third gear 119, an eccentric hole 127 is opened on the swing protrusion 126, and the third wheel axle 118 passes through the eccentric hole 127; a swing hole 128 is opened on the swing plate 123, and the swing protrusion 126 is located in the swing hole 128.

[0061] In this embodiment, a swinging protrusion 126 is provided on the top surface of the third gear 119, and the third gear 119 rotates to drive the swinging protrusion 126 to rotate. Since the swinging protrusion 126 is an eccentric structure, when the swinging protrusion 126 rotates to a set position, it can touch the inner wall of the swinging hole 128 provided on the swinging plate 123, and push the swinging plate 123 to swing. The swinging plate 123 drives the swinging arm 125 to swing through the rotating shaft 124, and then drives the sideburn cutter to cut.

[0062] Embodiment 3

[0063] See also Figure 7 and Figure 8 As shown, Figure 7 A schematic diagram of the cross-sectional structure of a shaver provided in Embodiment 3 of the present application; Figure 8 This is a schematic diagram of the partial cross-sectional structure of the razor provided in Example 3 of the present application.

[0064] The third embodiment of the present application provides a razor, comprising a cutter head frame 129, a drive bracket 130 and a razor transmission device shown in any of the above embodiments, the cutter head frame 129 and the drive bracket 130 are detachably connected, the first transmission device 101 is mounted on the drive bracket 130, and the second transmission device 102 is mounted on the cutter head frame 129. The razor provided in the third embodiment of the present application has all the beneficial technical effects of the razor transmission device shown in any of the above embodiments, which will not be described in detail here.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application. In addition, a person skilled in the art can understand that although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments means being within the scope of the present application and forming different embodiments.

Claims

1. A shaver transmission device, characterized in that: including a first transmission device and a second transmission device; The second transmission device comprises a first transmission wheel assembly, a second transmission wheel assembly and a positioning frame, wherein the first transmission wheel assembly is detachably connected to the first transmission device, and the first transmission device can drive the first transmission wheel assembly to rotate; The positioning frame can be installed on the cutter head frame, the first transmission wheel assembly and the second transmission wheel assembly are hoisted on the positioning frame, and the first transmission wheel assembly and the second transmission wheel assembly are connected to drive the second transmission wheel assembly to rotate; The second transmission wheel assembly includes a second wheel shaft and a second gear; The second gear is installed at one end of the second axle, a shaft through hole is opened on the positioning frame, the second axle passes through the shaft through hole, and the other end of the second axle is used for installing the razor assembly; The rotating shaft through hole is a stepped hole, a limiting boss is arranged on the second wheel shaft, and the stepped surface of the stepped hole is in contact with the table surface of the limiting boss; The positioning frame comprises a flat plate portion and a through hole protrusion portion, wherein the through hole protrusion portion protrudes from the surface of the flat plate portion, and the rotating shaft through hole is formed in the through hole protrusion portion.

2. The shaver transmission device according to claim 1, characterized in that The first transmission wheel assembly includes a first wheel shaft and a first gear; The first gear is mounted on the first axle, and the first gear is also detachably connected to the first transmission device; The positioning frame is provided with a rotating shaft blind hole, and the top of the first wheel axle is hoisted in the rotating shaft blind hole.

3. The shaver transmission device according to claim 1, characterized in that: The positioning frame is provided with a locking groove, and the locking groove is used to adapt to the locking protrusion on the tool head frame; The positioning frame is also provided with a mounting hole, and the mounting hole is used to connect the mounting bracket with the tool head frame.

4. The shaver transmission device according to claim 1, characterized in that: Also includes couplings; The coupling comprises a coupling block and a coupling slot, wherein the coupling block is inserted into the coupling slot, and the coupling block is detachably connected to the coupling slot; The coupling block is connected to the first transmission wheel assembly, and the coupling slot is connected to the first transmission device.

5. The shaver transmission device according to claim 4, characterized in that The first transmission device includes a third transmission wheel assembly; The third transmission wheel assembly includes a third wheel shaft and a third gear, wherein the third gear is mounted on the third wheel shaft, one end of the third wheel shaft is connected to the coupling slot, the other end of the third wheel shaft can be mounted on the driving bracket, and the third wheel shaft can rotate relative to the driving bracket; The third gear is capable of meshing with the drive gear.

6. The shaver transmission device according to claim 5, characterized in that Also included are waterproof baffles; The waterproof baffle is located between the third gear and the coupling slot, a connecting hole is formed on the waterproof baffle, and the third wheel shaft passes through the connecting hole.

7. The shaver transmission device according to claim 5, characterized in that Also includes a sideburn knife transmission mechanism; The hairbrush razor transmission mechanism includes a swing plate, a rotating shaft and a swing arm. The swing plate is located on the top surface of the third gear. The third gear can drive the swing plate to swing along a set trajectory with the rotating shaft as the center. One end of the swing arm is connected to the rotating shaft, and the other end of the swing arm is used to connect to the hairbrush razor assembly.

8. The shaver transmission device according to claim 7, characterized in that A swinging protrusion is arranged on the top surface of the third gear, an eccentric hole is opened on the swinging protrusion, and the third wheel shaft passes through the eccentric hole; The swing plate is provided with a swing hole, and the swing protrusion is located in the swing hole.

9. A razor, characterized in that: It comprises a cutter head frame, a drive bracket and a razor transmission device according to any one of claims 1 to 8, wherein the cutter head frame and the drive bracket are detachably connected, the first transmission device is mounted on the drive bracket, and the second transmission device is mounted on the cutter head frame.

Citation Information

Patent Citations

  • Steering device of rice transplanter

    CN104686000A

  • Spherical floating shaver head structure

    CN204431302U

  • Shaver transmission device and shaver

    CN209875864U

  • Rotary electric shaver

    US20110030220A1

Cited By

  • Shaver device convenient to stably mount

    CN223700906U