Gear driving structure of rotary face cleaning brush

Abstract

The utility model provides a rotary facial brush gear driving structure which comprises a seat body used for being connected to a facial brush main machine, the top of the seat body is connected with a brush head used for cleaning the face, the seat body comprises a base assembly and an upper cover connected to the base assembly, and the base assembly is rotationally connected with a transmission piece. A transmission structure is arranged between the transmission part and the brush head so that the transmission part can rotate to drive the brush head to rotate, the lower side of the transmission part is connected with a driving part, a containing groove is formed in the bottom of the transmission part, at least two strip-shaped groove holes which are communicated with the containing groove and are vertically formed are formed in the side wall of the transmission part, and the upper portion of the driving part extends into the containing groove. The upper portion of the driving piece is provided with a sliding column which extends outwards to be inserted into the strip-shaped groove hole, the bottom of the driving piece is provided with a sleeving hole used for being connected with the driving device in a sleeving mode, an elastic piece pushing the driving piece downwards is arranged between the transmission piece and the driving piece, and the structure can reduce vibration and noise and is better in driving device inclusiveness.

Description

Technical Field

[0001] The utility model specifically relates to a gear driving structure of a rotary facial cleansing brush. Background Art

[0002] In the field of personal care appliances, especially facial cleaning equipment, electric facial cleansing brushes, as a modern skin care tool, have gained wide market recognition worldwide for their efficient cleaning ability and gentle use experience. The core function of electric facial cleansing brushes is to use mechanical power to help remove dirt and dead skin cells on the skin surface, promote blood circulation, and improve skin health through rotating or vibrating brush heads. Traditional electric facial cleansing brushes generally use motors as driving devices, and the driving device ultimately drives the facial cleansing brush to rotate through a transmission structure to achieve a facial cleansing effect. For specific structures, please refer to patent number CN201811489320.2, entitled A facial cleansing brush movement and a facial cleansing brush, or patent number CN201820557449.1, entitled A facial cleansing brush head for an electric toothbrush. However, traditional electric facial cleansing brushes are usually driven by a driving device and a transmission structure, which requires high radial circular runout accuracy of the output shaft of the driving device, otherwise it is easy to generate vibration and noise. The precision error generated by the driving device and the transmission structure is difficult to eliminate, the vibration and noise filtering effect is poor, and the structural stability is insufficient.

[0003] The utility model is produced based on the above-mentioned shortcomings. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a rotating facial cleansing brush gear driving structure which reduces vibration and noise and has better tolerance for the driving device.

[0005] The utility model is realized by the following technical solutions:

[0006] A rotating facial cleansing brush gear drive structure comprises a base body for connecting to a facial cleansing brush host, a brush head for cleaning the face is connected to the top of the base body, the base body comprises a base assembly and an upper cover connected to the base assembly, the base assembly is rotatably connected to a transmission member, a transmission structure is provided between the transmission member and the brush head so that the rotation of the transmission member can drive the brush head to rotate, a driving member is connected to the lower side of the transmission member, a receiving groove is provided at the bottom of the transmission member, at least two strip groove holes which are connected to the receiving groove and are vertically arranged are provided on the side wall of the transmission member, the upper part of the driving member extends into the receiving groove, the upper part of the driving member is provided with a sliding column which extends outward and is inserted into the strip groove, the bottom of the driving member is provided with a socket hole for socketing with the driving device, and an elastic member for pushing the driving member downward is provided between the transmission member and the driving member.

[0007] In the gear drive structure for the rotary facial cleansing brush as described above, the bottom side wall of the strip-shaped slot has a first arc surface, and the bottom of the sliding column has a second arc surface.

[0008] In the above-mentioned rotating facial cleansing brush gear driving structure, the side wall of the sliding column is provided with a protruding sliding rib.

[0009] As described above, the gear drive structure of the rotating facial cleansing brush comprises a base assembly which is connected by a bottom plate and a cover plate, wherein the bottom plate and the cover plate form an accommodating cavity, the transmission member is arranged in the accommodating cavity, a connecting shaft is provided on the cover plate, and the transmission member is sleeved on the connecting shaft so as to be able to rotate relative to the base assembly.

[0010] In the gear drive structure for the rotary facial cleansing brush as described above, the bottom of the transmission member is provided with a sliding protruding ring which protrudes downward and can abut against the bottom plate.

[0011] The gear drive structure of the rotating facial cleansing brush as described above, the transmission structure includes a gear member rotatably connected to the cover plate, and a rotating cover rotatably connected to the cover plate, a first gear portion is provided on the top of the transmission member, a second gear portion meshing with the first gear portion and a third gear portion concentric with the second gear portion are provided on the gear member, a fourth gear portion meshing with the third gear portion is provided on the inner side wall of the rotating cover, and the rotating cover is connected to the brush head.

[0012] As described above, the gear drive structure of the rotating facial cleansing brush is provided with a rotating column on the cover plate, a first rotating hole for inserting the rotating column is provided on the rotating cover, the rotating cover is connected to a rotating shaft column which passes through the rotating cover from top to bottom, and a second rotating hole for inserting the lower part of the rotating shaft column is provided on the rotating column of the cover plate.

[0013] The gear drive structure of the rotating facial cleansing brush as described above, the brush head includes a brush seat and a brush plate covering the brush seat, the bottom of the brush seat is provided with a special-shaped hole, the top of the rotating cover is provided with a plug-in column that can be inserted into the special-shaped hole, and the top of the plug-in column has a special-shaped portion that is inserted into the special-shaped hole and matches the shape of the special-shaped hole.

[0014] As described above, the gear drive structure of the rotating facial cleansing brush, the rotating shaft column extends from the top of the plug-in column, the brush holder is provided with a socket for the plug-in column to be inserted, the top of the plug-in column is provided with a ball head, and the side wall of the socket is provided with a protrusion that is stuck on the lower side of the ball head when the plug-in column is inserted into the socket.

[0015] The gear drive structure of the rotary facial cleansing brush as described above has a sealing and waterproof structure arranged around the plug-in column in the upper cover. Compared with the prior art, the utility model has the following advantages:

[0016] The rotating facial cleansing brush gear drive structure of the utility model is mainly installed on the electric facial cleansing brush product. The rotating facial cleansing brush gear drive structure separates the driving part from the transmission part so that the driving part has a certain degree of horizontal movement space and swing space relative to the transmission part. When the product is working, the driving part is pushed down by the elastic part and pressed on the output shaft of the driving device. When the output shaft of the driving device produces a slight jump, the vibration is offset by the elastic part, and at the same time, the horizontal rotation transmitted between the driving part and the transmission part is not affected, thereby eliminating the collision between the two caused by the vibration of the driving device during transmission, thereby minimizing the vibration to the greatest extent, eliminating the noise generated by the transmission, and obtaining a better product usage experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the gear driving structure of the rotary facial cleansing brush of the utility model;

[0018] Figure 2 It is a cross-sectional schematic diagram of the gear driving structure of the rotary facial cleansing brush of the utility model;

[0019] Figure 3 It is an exploded schematic diagram of the gear drive structure of the rotary facial cleansing brush of the utility model;

[0020] Figure 4 This is a schematic diagram of the seat body of the utility model. Figure 1 ;

[0021] Figure 5 This is a schematic diagram of the seat body of the utility model. Figure 2 ;

[0022] Figure 6 It is a three-dimensional schematic diagram of the brush holder of the utility model. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] The directions described in the utility model specification, such as "up", "down", "left", "right", "front", "back", etc., are based on the directions of the drawings and are intended to facilitate the description of the relationship between the various components. They do not indicate the unique or absolute positional relationship between the various components. They are only one of the implementation methods of the utility model and are not a limitation on its implementation method.

[0025] An electric facial cleansing brush generally includes a facial cleansing brush main unit A. A brush head is provided on the top of the facial cleansing brush main unit A. A driving device B for driving the brush head to rotate is provided inside. The driving device B generally adopts a small motor (motor) to achieve drive. Please refer to the patent scheme with patent number CN201821744152.2 and the name of electric facial cleansing instrument.

[0026] This embodiment provides a rotating facial cleansing brush gear drive structure, such as Figure 1 and Figure 2 As shown, this structure is mainly used on a facial cleansing brush host A of an electric facial cleansing brush product. This rotating facial cleansing brush gear drive structure includes a base body 1 for connecting to the facial cleansing brush host A, and a brush head 2 for facial cleansing is connected to the top of the base body 1. The base body 1 includes a base assembly 11 and an upper cover 12 connected to the base assembly 11. The base assembly 11 is rotatably connected to a transmission member 13. A transmission structure 14 is provided between the transmission member 13 and the brush head 2 so that the rotation of the transmission member 13 can drive the brush head 2 to rotate. A driving member 15 is connected to the lower side of the transmission member 13. A receiving groove 130 is provided at the bottom of the transmission member 13. At least two strip slots 131 that are connected to the receiving groove 130 and are vertically arranged are provided on the side wall of the transmission member 13. The upper part of the driving member 15 extends into the receiving groove 130. The upper part of the driving member 15 is provided with a sliding column 151 that extends outward and is inserted into the strip slot 131. The bottom of the driving member 15 is provided with a A socket hole 152 is socketed with the driving device B, and an elastic member 16 is provided between the transmission member 13 and the driving member 15 to push the driving member 15 downward. The elastic member 16 adopts a general spring. Of course, an elastic member made of other elastic materials, such as a silicone block, can also be adopted. The driving member 15 is pushed downward under the elastic force of the elastic member 16, so that the sliding column 151 abuts against the bottom side of the strip slot 131. At the same time, the driving member 15 has a certain degree of horizontal movement space and swing space relative to the transmission member 13. When the product is working, the driving member 15 is pushed down by the elastic member 16 and pressed on the output shaft of the driving device B. When the output shaft of the driving device B produces a slight jump, the vibration is offset by the elastic member 16, and at the same time, it does not affect the horizontal rotation transmitted between the driving member 15 and the transmission member 13, thereby eliminating the collision between the two caused by the vibration of the driving device B during transmission, thereby minimizing the vibration to the greatest extent, eliminating the noise generated by the transmission, and obtaining a better product use experience.

[0027] As a preference, Figure 2 , 4 As shown in FIG. 5 , the bottom side wall of the strip slot 131 has a first arc surface 133, and the bottom of the sliding column 151 has a second arc surface 153, so that the sliding column 151 of the driving member 15 can move smoothly and press against the bottom side wall of the strip slot 131, thereby improving the stability of the structure.

[0028] As a preference, Figure 2 , 4 As shown in FIG. 5 , the side wall of the sliding column 151 is provided with a protruding sliding rib 154, thereby reducing the friction between the sliding column 151 and the side wall of the strip slot 131, and further reducing the vibration and noise generated when the transmission structure is working.

[0029] Detailed structure, such as Figure 2 , 4 As shown in Figure 5, the base assembly 11 comprises a bottom plate 11a and a cover plate 11b connected together, the bottom plate 11a and the cover plate 11b enclose a receiving cavity 110, the transmission member 13 is arranged in the receiving cavity 110, the cover plate 11b is provided with a connecting shaft 111, the transmission member 13 is sleeved on the connecting shaft 111 and can rotate relative to the base assembly 11. As a preferred embodiment, Figure 2 , 4 As shown in FIG. 5 , the bottom of the transmission member 13 is provided with a sliding protruding ring 132 which protrudes downward and can abut against the bottom plate 11 a.

[0030] Detailed structure, such as Figure 2 , 4 As shown in , 5, the transmission structure 14 includes a gear member 17 rotatably connected to the cover plate 11b, and a rotating cover 18 rotatably connected to the cover plate 11b. The transmission member 13 is provided with a first gear portion 134 on the top, and the gear member 17 is provided with a second gear portion 171 meshing with the first gear portion 134 and a third gear portion 172 concentric with the second gear portion 171. The rotating cover 18 is provided with a fourth gear portion 181 meshing with the third gear portion 172 on the inner wall, and the rotating cover 18 is connected to the brush head 2.

[0031] As a preference, Figure 2 , 4 As shown in Figure 5, in order to further improve the stability of rotation between the cover plate 11b and the rotating cover 18, a rotating column 112 is provided on the cover plate 11b, and a first rotating hole 182 is provided on the rotating cover 18 for inserting the rotating column 112. The rotating cover 18 is connected to a rotating shaft column 19 which passes through the rotating cover 18 from top to bottom, and a second rotating hole 113 is provided on the rotating column 112 for inserting the lower part of the rotating shaft column 19, so that the rotating cover 18 can rotate more smoothly and stably relative to the cover plate 11b, thereby improving the stability and reliability of the transmission structure.

[0032] As a preference, Figure 2 , 4 As shown in Figures 5 and 6, the brush head 2 includes a brush holder 21 and a brush plate 22 covering the brush holder 21. The brush holder 21 has a shaped hole 211 at the bottom, and the rotating cover 18 has a plug-in column 183 at the top that can be inserted into the shaped hole 211. The plug-in column 183 has a shaped portion 184 at the top that is inserted into the shaped hole 211 and matches the shape of the shaped hole 211.

[0033] As a preference, Figure 2 , 4As shown in Figure 5, the shaft column 19 extends out from the top of the plug-in column 183, and the brush holder 21 is provided with a socket 212 for inserting the plug-in column 183. The top of the plug-in column 183 is provided with a ball head 191, and the side wall of the socket 212 is provided with a protrusion 213 that is stuck on the lower side of the ball head 191 when the plug-in column 183 is inserted into the socket 212. In this way, transmission is achieved through the cooperation between the plug-in column 183 and the special-shaped hole 211. At the same time, the cooperation between the shaft column 19 and the socket 212 makes the brush holder 21 rotate more smoothly.

[0034] As a preference, Figure 2 , 4 As shown in Figure 5, a sealing and waterproof structure 3 is provided in the upper cover 12 and is arranged around the plug-in column 183. The sealing and waterproof structure 3 includes a sealing seat 31 connected to the inner wall of the upper cover 12. A sealing gasket 32 ​​is provided between the sealing seat 31 and the upper cover 12. The sealing seat 31 presses the sealing gasket 32 ​​against the upper cover 12. The shape of the sealing gasket 32 ​​is a structure that surrounds the plug-in column 183.

[0035] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A rotating facial cleansing brush gear drive structure, comprising a base (1) for connecting to a facial cleansing brush main unit, a brush head (2) for facial cleansing connected to the top of the base (1), the base (1) comprising a base assembly (11) and an upper cover (12) connected to the base assembly (11), the base assembly (11) being rotatably connected to a transmission member (13), a transmission structure (14) being provided between the transmission member (13) and the brush head (2) so that the rotation of the transmission member (13) can drive the brush head (2) to rotate, characterized in that: The transmission member (13) is connected to a driving member (15) at its lower side, a receiving groove (130) is provided at the bottom of the transmission member (13), at least two strip-shaped slots (131) are provided on the side wall of the transmission member (13) and are connected to the receiving groove (130) and are vertically arranged, the upper part of the driving member (15) extends into the receiving groove (130), the upper part of the driving member (15) is provided with a sliding column (151) extending outward and then inserted into the strip-shaped slot (131), the bottom of the driving member (15) is provided with a sleeve hole (152) for sleeve connection, and an elastic member (16) is provided between the transmission member (13) and the driving member (15) for pushing the driving member (15) downward.

2. The gear drive structure for a rotary facial cleansing brush according to claim 1, characterized in that: The bottom side wall of the strip-shaped slot hole (131) has a first arc-shaped surface (133), and the bottom of the sliding column (151) has a second arc-shaped surface (153).

3. The gear drive structure of the rotary facial cleansing brush according to claim 1, characterized in that: The side wall of the sliding column (151) is provided with a protruding sliding rib (154).

4. The gear drive structure for a rotary facial cleansing brush according to claim 1, characterized in that: The base assembly (11) comprises a bottom plate (11a) and a cover plate (11b) connected together, wherein the bottom plate (11a) and the cover plate (11b) enclose an accommodating cavity (110), the transmission member (13) is arranged in the accommodating cavity (110), the cover plate (11b) is provided with a connecting shaft (111), and the transmission member (13) is sleeved on the connecting shaft (111) and can rotate relative to the base assembly (11).

5. The gear drive structure for a rotary facial cleansing brush according to claim 4, characterized in that: The bottom of the transmission member (13) is provided with a sliding protruding ring (132) which protrudes downward and can abut against the bottom plate (11a).

6. The gear drive structure for a rotary facial cleansing brush according to claim 4, characterized in that: The transmission structure (14) comprises a gear member (17) rotatably connected to the cover plate (11b), and a rotating cover (18) rotatably connected to the cover plate (11b); a first gear portion (134) is provided on the top of the transmission member (13); a second gear portion (171) meshing with the first gear portion (134) and a third gear portion (172) concentric with the second gear portion (171) are provided on the gear member (17); a fourth gear portion (181) meshing with the third gear portion (172) is provided on the inner side wall of the rotating cover (18); and the rotating cover (18) is connected to the brush head (2).

7. The gear drive structure for a rotary facial cleansing brush according to claim 6, characterized in that: The cover plate (11b) is provided with a rotating column (112), the rotating cover (18) is provided with a first rotating hole (182) for inserting the rotating column (112), the rotating cover (18) is connected with a rotating shaft column (19) which passes through the rotating cover (18) from top to bottom, and the cover plate (11b) is provided with a second rotating hole (113) on the rotating column (112) for inserting the lower part of the rotating shaft column (19).

8. The gear drive structure for a rotary facial cleansing brush according to claim 7, characterized in that: The brush head (2) comprises a brush seat (21) and a brush plate (22) covering the brush seat (21); the bottom of the brush seat (21) is provided with a special-shaped hole (211); the top of the rotating cover (18) is provided with a plug-in column (183) capable of being inserted into the special-shaped hole (211); the top of the plug-in column (183) has a special-shaped portion (184) inserted into the special-shaped hole (211) and matching the shape of the special-shaped hole (211).

9. The gear drive structure for a rotary facial cleansing brush according to claim 8, characterized in that: The rotating shaft column (19) extends from the top of the plug-in column (183); the brush holder (21) is provided with a socket (212) for inserting the plug-in column (183); the top of the plug-in column (183) is provided with a ball head (191); and the side wall of the socket (212) is provided with a protrusion (213) which is stuck on the lower side of the ball head (191) when the plug-in column (183) is inserted into the socket (212).

10. The gear drive structure of the rotary facial cleansing brush according to claim 8, characterized in that: The upper cover (12) is provided with a sealing and waterproof structure (3) arranged around the plug-in column (183).

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