Body brush rotating device

Abstract

The utility model relates to the technical field of nursing appliances, in particular to a body brush rotating device which comprises a bottom cover, and an eccentric driving assembly is fixed on the bottom cover. The support assembly is movably arranged on the bottom cover, and the support assembly is used for being fixedly connected with a body brush; the first end of the connecting rod assembly is in eccentric transmission connection with the eccentric driving assembly, and the second end of the connecting rod assembly is fixedly connected with the support assembly. According to the arrangement, the eccentric driving assembly and the connecting rod assembly are matched to drive the support assembly and the body brush to rotate, compared with the prior art, the connecting rod assembly and the support assembly are additionally arranged to serve as a transmission structure between the eccentric driving assembly and the body brush, the power output stroke is prolonged, and therefore the power output strength of the body brush can be improved; and the user experience effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of nursing appliances, in particular to a body brush rotating device. Background Art

[0002] As people's lives continue to improve, they pay more and more attention to personal care appliances, and many users use electric appliances to take care of their bodies.

[0003] For example, a Chinese utility model patent with authorization announcement number CN105326631B discloses a scratching massage comb, including a shell, a driving motor arranged in the shell, and a first movable comb and a second movable comb driven by the driving motor, the first movable comb and the second movable comb are arranged crosswise, the first movable comb and the second movable comb are driven by the driving motor to perform shearing motion to form a scratching massage, a first gear is provided on the output shaft of the driving motor, a second gear meshing with the first gear is provided on one side of the first gear, the first gear drives the first movable comb to swing through a first eccentric structure, and the second gear drives the second movable comb to swing through a second eccentric structure, the first eccentric structure includes a first circular groove arranged at the bottom of the first gear and a first convex column arranged on the first movable comb and slidable in the first circular groove, the first circular groove The center of the groove is offset from the center of the rotation axis of the first gear, the second eccentric structure includes a second circular groove provided at the bottom of the second gear and a second convex column provided on the second movable comb and slidable in the second circular groove, the center of the second circular groove is offset from the center of the rotation axis of the second gear, the first movable comb includes first massage heads respectively located at two ends and a first connecting portion connecting the two first massage heads, the lower surface of each first massage head has a plurality of first massage teeth, the first convex column is provided on the upper surface of the first massage head, the second movable comb includes second massage heads respectively located at two ends and a second connecting portion connecting the two second massage heads, the lower surface of each second massage head has a plurality of second massage teeth, the second convex column is provided on the upper surface of the second massage head, and the first connecting portion and the second connecting portion are fixedly connected by a rotating shaft. The prior art drives the first movable comb and the second movable comb to perform shearing motion to form a scratching massage through a driving motor, but the prior art still has structural deficiencies, the first movable comb and the second movable comb are directly connected to the output end of the driving motor for transmission, there is a defect of weak power output, and the user experience effect is not good.

[0004] Therefore, there is still room for improvement and development in the existing technology. Utility Model Content

[0005] In response to the problems in the prior art, the utility model provides a body brush rotating device, which drives the bracket assembly and the body brush to rotate through the cooperation of an eccentric drive assembly and a connecting rod assembly. Compared with the prior art, a connecting rod assembly and a bracket assembly are added as a transmission structure between the eccentric drive assembly and the body brush, thereby extending the power output stroke, thereby increasing the power output of the body brush and providing a better user experience.

[0006] In order to achieve the above purpose, the technical solution applied by the utility model is as follows:

[0007] A body brush rotating device comprises a bottom cover, on which an eccentric drive assembly is fixed; a bracket assembly, which is movably arranged on the bottom cover and is used to be fixedly connected to the body brush; and a connecting rod assembly, wherein the first end of the connecting rod assembly is eccentrically connected to the eccentric drive assembly, and the second end of the connecting rod assembly is fixedly connected to the bracket assembly. In this arrangement, the bracket assembly and the body brush are driven to rotate by the eccentric drive assembly and the connecting rod assembly. Compared with the prior art, the connecting rod assembly and the bracket assembly are added as the transmission structure between the eccentric drive assembly and the body brush, which prolongs the power output stroke, thereby increasing the power output of the body brush and providing a better user experience.

[0008] According to the above scheme, the connecting rod assembly includes a movable connecting rod and a fixed connecting rod, the first end of the movable connecting rod is transmission-connected to the eccentric driving assembly, the second end of the movable connecting rod is connected to the first end of the fixed connecting rod, and the second end of the fixed connecting rod is fixedly connected to the bracket assembly. With this arrangement, the structure is simple. When the eccentric driving assembly is working, the movable connecting rod is driven to move, the movable connecting rod drives the fixed connecting rod to move, and the fixed connecting rod drives the bracket assembly and the body brush to move, thereby extending the power output stroke, thereby increasing the power output strength of the body brush.

[0009] According to the above solution, the second end of the movable connecting rod is fixedly connected to the first end of the fixed connecting rod by rivets or screws.

[0010] According to the above scheme, the eccentric drive assembly includes a motor, a motor lower cover, a motor gear, and an eccentric crown gear. The motor is transversely fixed on the motor lower cover, the motor lower cover is fixed on the bottom cover, the eccentric crown gear is rotatably arranged on the motor lower cover, the motor gear is fixed to the output end of the motor, the motor gear is meshed and connected with the eccentric crown gear, and the first end of the movable connecting rod is eccentrically connected with the eccentric crown gear. In this way, when the motor is working, the motor gear is driven to rotate, the motor gear drives the eccentric crown gear to rotate, and the eccentric crown gear drives the movable connecting rod to move eccentrically relative to the eccentric crown gear. In actual applications, the motor is transversely fixed on the motor lower cover. In order to facilitate assembly, an annular gear ring is provided on the outer edge surface of the eccentric crown gear. The motor gear is meshed and connected with the eccentric crown gear up and down. It should be noted that the gear ring diameter on the motor gear is smaller than the gear ring diameter on the eccentric crown gear.

[0011] According to the above scheme, the eccentric drive assembly includes a motor, a motor lower cover, a motor gear, an eccentric crown gear and a double-layer gear. The motor is vertically fixed on the motor lower cover, the motor lower cover is fixed on the bottom cover, the eccentric crown gear and the double-layer gear are rotatably arranged on the motor lower cover, the motor gear is fixed to the motor output end, the motor gear is meshed and connected with the double-layer gear, the double-layer gear is meshed and connected with the eccentric crown gear, and the first end of the movable connecting rod is eccentrically connected with the eccentric crown gear. In this way, when the motor is working, the motor gear is driven to rotate, the motor gear drives the double-layer gear to rotate, the double-layer gear drives the eccentric crown gear to rotate, and the eccentric crown gear drives the movable connecting rod to move eccentrically relative to the eccentric crown gear. In actual application, the motor is vertically fixed on the motor lower cover. In order to facilitate assembly, an annular gear ring is provided on the outer side wall of the eccentric crown gear, and the motor gear, the double-layer gear and the eccentric crown gear are meshed and connected left and right. It should be noted that the gear ring diameter on the motor gear is smaller than the gear ring diameter on the double-layer gear and the eccentric crown gear.

[0012] According to the above scheme, the double-layer gear is rotatably arranged on the lower cover of the motor through the second positioning shaft, the large diameter gear ring of the double-layer gear is meshed and connected with the motor gear, and the small diameter gear ring of the double-layer gear is meshed and connected with the eccentric crown gear. In this way, the double-layer gear can extend the power output stroke and control the speed of the eccentric crown gear.

[0013] According to the above scheme, the eccentric crown tooth is provided with a center hole and an annular boss 1, the annular boss 1 is eccentrically arranged with the center hole, the center hole is rotatably arranged on the lower cover of the motor through a positioning shaft 1, and the first end of the movable connecting rod is provided with an annular boss 2, and the annular boss 2 is movably sleeved outside the annular boss 1. In this way, the annular boss 2 of the movable connecting rod is eccentrically arranged with the center hole of the eccentric crown tooth, and then when the eccentric crown tooth rotates, the annular boss 2 of the movable connecting rod is driven to perform an eccentric action relative to the center hole of the eccentric crown tooth, further improving the power output of the body brush.

[0014] According to the above scheme, the bracket assembly includes an axle bracket and a bearing, the axle bracket is rotatably arranged on the bottom cover, the first end of the axle bracket is used to be fixedly connected to the body brush, and the second end of the axle bracket passes through the bottom cover, the bearing and the motor lower cover of the eccentric drive assembly in sequence and is fixedly connected to the second end of the fixed connecting rod of the connecting rod assembly.

[0015] According to the above solution, a waterproof pad is fixed between the bottom cover and the motor lower cover, the waterproof pad is sleeved on the shaft bracket, and the shaft bracket and the waterproof pad are sealed. In this way, the waterproof pad can prevent water from entering the bottom cover when the body brush is used for body care.

[0016] Beneficial effects of the utility model:

[0017] The utility model is configured in this way, that is, the eccentric drive assembly and the connecting rod assembly cooperate to drive the bracket assembly and the body brush to rotate. Compared with the prior art, the connecting rod assembly and the bracket assembly are added as the transmission structure between the eccentric drive assembly and the body brush, and the power output stroke is extended, thereby improving the power output of the body brush, and the user experience effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the rotating device in Example 1;

[0019] Figure 2 It is an assembly diagram of the connecting rod assembly, the eccentric drive assembly and the bracket assembly in the first embodiment;

[0020] Figure 3 is a cross-sectional view of the rotating device in the first embodiment;

[0021] Figure 4 is an assembly diagram of the eccentric drive assembly and the bracket assembly in the first embodiment;

[0022] Figure 5 is a schematic diagram of a connecting rod assembly in Embodiment 1;

[0023] Figure 6 is an exploded view of the rotating device in the first embodiment;

[0024] Figure 7 is a schematic diagram of the rotating device in the second embodiment;

[0025] Figure 8 It is an assembly diagram of the connecting rod assembly, the eccentric drive assembly and the bracket assembly in the second embodiment;

[0026] Fig. 9 is a cross-sectional view of the rotating device in the second embodiment;

[0027] Fig.10 It is an assembly diagram of the connecting rod assembly, eccentric crown gear, double-layer gear and motor gear in the second embodiment;

[0028] Fig.11 It is an exploded view of the rotating device in the second embodiment.

[0029] In the figure:

[0030] 1. Motor; 2. Motor lower cover; 3. Motor gear; 4. Eccentric crown gear; 5. Center hole; 6. Positioning shaft one; 7. Annular boss one; 8. Connecting rod assembly; 10. Shaft bracket; 11. Bearing; 12. Waterproof pad; 13. Bottom cover; 14. Movable connecting rod; 15. Fixed connecting rod; 16. Rivet; 20. Double-layer gear; 21. Positioning shaft two. DETAILED DESCRIPTION

[0031] The technical solution of the utility model is described below in conjunction with the accompanying drawings and embodiments.

[0032] Embodiment 1:

[0033] like Figures 1 to 6 As shown, the body brush rotating device described in the utility model includes a bottom cover 13, on which an eccentric drive assembly is fixed; a bracket assembly, which is movably arranged on the bottom cover 13 and is used to be fixedly connected to the body brush; a connecting rod assembly 8, wherein the first end of the connecting rod assembly 8 is eccentrically connected to the eccentric drive assembly, and the second end of the connecting rod assembly 8 is fixedly connected to the bracket assembly. In this way, the eccentric drive assembly and the connecting rod assembly 8 cooperate to drive the bracket assembly and the body brush to rotate. Compared with the prior art, the connecting rod assembly 8 and the bracket assembly are added as the transmission structure between the eccentric drive assembly and the body brush, which prolongs the power output stroke, thereby increasing the power output of the body brush and providing a better user experience.

[0034] In this embodiment, the connecting rod assembly 8 includes a movable connecting rod 14 and a fixed connecting rod 15. The first end of the movable connecting rod 14 is connected to the eccentric driving assembly, the second end of the movable connecting rod 14 is connected to the first end of the fixed connecting rod 15, and the second end of the fixed connecting rod 15 is fixedly connected to the bracket assembly. This arrangement has a simple structure. When the eccentric driving assembly is working, the movable connecting rod 14 is driven to move, the movable connecting rod 14 drives the fixed connecting rod 15 to move, and the fixed connecting rod 15 drives the bracket assembly and the body brush to move, thereby extending the power output stroke, thereby increasing the power output strength of the body brush.

[0035] In this embodiment, the second end of the movable connecting rod 14 is fixedly connected to the first end of the fixed connecting rod 15 by a rivet 16 or a screw.

[0036] In this embodiment, the eccentric drive assembly includes a motor 1, a motor lower cover 2, a motor gear 3, and an eccentric crown gear 4. The motor 1 is transversely fixed on the motor lower cover 2, the motor lower cover 2 is fixed on the bottom cover 13, the eccentric crown gear 4 is rotatably arranged on the motor lower cover 2, the motor gear 3 is fixed to the output end of the motor 1, the motor gear 3 is meshed and connected with the eccentric crown gear 4, and the first end of the movable connecting rod 14 is eccentrically connected with the eccentric crown gear 4. In this way, when the motor 1 is working, the motor gear 3 is driven to rotate, the motor gear 3 drives the eccentric crown gear 4 to rotate, and the eccentric crown gear 4 drives the movable connecting rod 14 to move eccentrically relative to the eccentric crown gear 4. In practical applications, the motor 1 is transversely fixed on the motor lower cover 2. In order to facilitate assembly, an annular gear ring is provided on the outer edge surface of the eccentric crown gear 4, and the motor gear 3 is meshed and connected with the eccentric crown gear 4 in an upper and lower manner. It should be noted that the gear ring diameter on the motor gear 3 is smaller than the gear ring diameter on the eccentric crown gear 4.

[0037] In this embodiment, the eccentric crown tooth 4 is provided with a center hole 5 and an annular boss 17, the annular boss 17 is eccentrically arranged with the center hole 5, the center hole 5 is rotatably arranged on the motor lower cover 2 through a positioning shaft 16, and the first end of the movable connecting rod 14 is provided with an annular boss 2, and the annular boss 2 is movably sleeved outside the annular boss 17. In this arrangement, the annular boss 2 of the movable connecting rod 14 is eccentrically arranged with the center hole 5 of the eccentric crown tooth 4, and then when the eccentric crown tooth 4 rotates, the annular boss 2 of the movable connecting rod 14 is driven to perform an eccentric action relative to the center hole 5 of the eccentric crown tooth 4, further improving the strength of the power output to the body brush.

[0038] In this embodiment, the bracket assembly includes an axis bracket 10 and a bearing 11. The axis bracket 10 is rotatably arranged on the bottom cover 13. The first end of the axis bracket 10 is used to be fixedly connected to the body brush. The second end of the axis bracket 10 passes through the bottom cover 13, the bearing 11 and the motor lower cover 2 of the eccentric drive assembly in sequence and is fixedly connected to the second end of the fixed connecting rod 15 of the connecting rod assembly 8.

[0039] In this embodiment, a waterproof pad 12 is fixed between the bottom cover 13 and the motor lower cover 2, and the waterproof pad 12 is sleeved on the shaft bracket 10, and the shaft bracket 10 is sealed with the waterproof pad 12. In this way, the waterproof pad 12 can prevent water from entering the bottom cover 13 when the body brush is used for body care.

[0040] Embodiment 2:

[0041] like Figures 7 to 11 As shown, the eccentric drive assembly includes a motor 1, a motor lower cover 2, a motor gear 3, an eccentric crown gear 4 and a double-layer gear 20. The motor 1 is vertically fixed on the motor lower cover 2, the motor lower cover 2 is fixed on the bottom cover 13, the eccentric crown gear 4 and the double-layer gear 20 are rotatably arranged on the motor lower cover 2, the motor gear 3 is fixed to the output end of the motor 1, the motor gear 3 is meshed and connected with the double-layer gear 20, the double-layer gear 20 is meshed and connected with the eccentric crown gear 4, and the first end of the movable connecting rod 14 is eccentrically connected with the eccentric crown gear 4. In this way, when the motor 1 is working, the motor gear 3 is driven to rotate, the motor gear 3 drives the double-layer gear 20 to rotate, the double-layer gear 20 drives the eccentric crown gear 4 to rotate, and the eccentric crown gear 4 drives the movable connecting rod 14 to move eccentrically relative to the eccentric crown gear 4. In actual application, the motor 1 is vertically fixed on the motor lower cover 2. For easy assembly, an annular gear ring is provided on the outer side wall of the eccentric crown gear 4. The motor gear 3, the double-layer gear 20 and the eccentric crown gear 4 are meshed and connected left and right. It should be noted that the gear ring diameter on the motor gear 3 is smaller than the gear ring diameter on the double-layer gear 20 and the eccentric crown gear 4.

[0042] In this embodiment, the double-layer gear 20 is rotatably arranged on the motor lower cover 2 through the positioning shaft 21, the large diameter gear ring of the double-layer gear 20 is meshed and connected with the motor gear 3, and the small diameter gear ring of the double-layer gear 20 is meshed and connected with the eccentric crown gear 4. In this way, the power output stroke can be extended and the speed of the eccentric crown gear 4 can be controlled through the double-layer gear 20.

[0043] The difference between the second embodiment and the first embodiment is that the structure of the eccentric drive assembly is different, and the remaining structures and principles are the same as those of the first embodiment and will not be repeated.

[0044] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which belong to the protection scope of the present invention.

Claims

1. A body brush rotating device, characterized in that, include: A bottom cover, on which an eccentric drive assembly is fixed; A bracket assembly, the bracket assembly is movably disposed on the bottom cover, and the bracket assembly is used to be fixedly connected to the body brush; A connecting rod assembly, wherein the first end of the connecting rod assembly is eccentrically connected to the eccentric drive assembly, and the second end of the connecting rod assembly is fixedly connected to the bracket assembly.

2. A body brush rotating device according to claim 1, characterized in that: The connecting rod assembly includes a movable connecting rod and a fixed connecting rod. The first end of the movable connecting rod is transmission-connected to the eccentric driving assembly, the second end of the movable connecting rod is connected to the first end of the fixed connecting rod, and the second end of the fixed connecting rod is fixedly connected to the bracket assembly.

3. A body brush rotating device according to claim 2, characterized in that: The second end of the movable connecting rod is fixedly connected to the first end of the fixed connecting rod by rivets or screws.

4. A body brush rotating device according to claim 2, characterized in that: The eccentric drive assembly includes a motor, a motor lower cover, a motor gear, and an eccentric crown gear. The motor is fixed on the motor lower cover, the motor lower cover is fixed on the bottom cover, the eccentric crown gear is rotatably arranged on the motor lower cover, the motor gear is fixed to the motor output end, the motor gear is meshed and connected with the eccentric crown gear, and the first end of the movable connecting rod is eccentrically connected to the eccentric crown gear.

5. A body brush rotating device according to claim 2, characterized in that: The eccentric drive assembly includes a motor, a motor lower cover, a motor gear, an eccentric crown gear and a double-layer gear. The motor is fixed on the motor lower cover, the motor lower cover is fixed on the bottom cover, the eccentric crown gear and the double-layer gear are rotatably arranged on the motor lower cover, the motor gear is fixed to the motor output end, the motor gear is meshed and connected with the double-layer gear, the double-layer gear is meshed and connected with the eccentric crown gear, and the first end of the movable connecting rod is eccentrically connected to the eccentric crown gear.

6. A body brush rotating device according to claim 5, characterized in that: The double-layer gear is rotatably arranged on the lower cover of the motor through the second positioning shaft. The large diameter gear ring of the double-layer gear is meshed and connected with the motor gear, and the small diameter gear ring of the double-layer gear is meshed and connected with the eccentric crown gear.

7. A body brush rotating device according to any one of claims 4 or 5, characterized in that: The eccentric crown tooth is provided with a center hole and an annular boss 1, the annular boss 1 is eccentrically arranged with the center hole, the center hole is rotatably arranged on the lower cover of the motor through a positioning shaft 1, the first end of the movable connecting rod is provided with annular boss 2, and the annular boss 2 is movably sleeved on the outside of the annular boss 1.

8. A body brush rotating device according to claim 1, characterized in that: The bracket assembly includes an axis bracket and a bearing. The axis bracket is rotatably arranged on the bottom cover. The first end of the axis bracket is used to be fixedly connected to the body brush. The second end of the axis bracket passes through the bottom cover, the bearing and the motor lower cover of the eccentric drive assembly in sequence and is fixedly connected to the second end of the fixed connecting rod of the connecting rod assembly.

9. A body brush rotating device according to claim 8, characterized in that: A waterproof pad is fixed between the bottom cover and the motor lower cover, the waterproof pad is sleeved on the shaft bracket, and the shaft bracket and the waterproof pad are sealed.

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