A grinding head assembly for a foot grinder

Abstract

The application relates to a grinding head assembly of a foot grinder, which comprises a grinding head base, a grinding head, a first rotating shaft for driving the grinding head to rotate, a rotating frame and a second rotating shaft for driving the rotating frame to rotate, the grinding head is rotatably arranged on the rotating frame, the two rotating shafts are perpendicular to each other and are driven to rotate by a power input shaft. By adopting the technical scheme, the grinding head assembly of the foot grinder is provided, when the foot grinder is used, the power input shaft is inputted, the first rotating shaft drives the grinding head to roll and polish, the second rotating shaft drives the rotating frame to rotate, and the grinding head rotates with the rotating frame, so that the dead skin floating up is twisted and torn.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of foot file, in particular to a grinding head assembly of a foot file. BACKGROUND

[0002] The foot file is a personal care tool for grinding calluses, corns and pads on the sole of the foot to solve the problems of the foot. The foot file mainly uses a grinding head to grind the dead skin on the foot so that the dead skin can be separated from the foot.

[0003] In the patent document with the application number CN201621084957.X, an electric foot file is provided, which comprises a base assembly, a power supply and a foot file head. The base assembly connects the foot file head and the motor through a gear assembly. The foot file head of this structure is supported by a rotating shaft for rotation, and it can only roll and grind the foot. After grinding, there is a problem of large pieces of dead skin floating and accumulating, which cannot be further ground. The grinding effect on the dead skin of the foot is poor, and the surface is uneven. SUMMARY

[0004] The purpose of the present application is to overcome the defects of the prior art. The present application provides a grinding head assembly of a foot file, which can twist the large pieces of floating dead skin and play a tearing role.

[0005] The technical solution of the present application is a grinding head assembly of a foot file, which comprises a grinding head seat, a grinding head and a first rotating shaft for driving the grinding head to rotate. It also comprises a rotating frame and a second rotating shaft for driving the rotating frame to rotate. The grinding head is installed on the rotating frame, and the two rotating shafts are perpendicular to each other and are driven by a power input shaft.

[0006] With the above technical solution, when the foot file is used, the power input shaft inputs, the first rotating shaft drives the grinding head to roll and grind, the second rotating shaft drives the rotating frame to rotate, and the grinding head rotates with the rotating frame, twists the large pieces of floating dead skin and plays a tearing role.

[0007] Further settings of the present application: the grinding head seat comprises a base and a head cover which are detachably connected. A protective sleeve is installed on the head cover, the grinding head is located in the protective sleeve, and the base is used to collect the dead skin falling from the protective sleeve.

[0008] With the above further settings, the grinding head is located in the protective sleeve, so that the dead skin ground off is blocked by the protective sleeve and falls inside, effectively preventing the dead skin from splashing outward. The head cover of the grinding head seat is detachable, which facilitates the pouring of the accumulated dead skin on the base. The grinding head can be cleaned with the head cover.

[0009] Further settings of the present application: the protective sleeve and the head cover are in sliding cooperation, the head cover comprises a shell cover and a shell seat, and a spring is arranged between the protective sleeve and the shell seat.

[0010] With the further arrangement, the shell cover and the shell base are separated, which is convenient for the installation of the grinding head, the protective sleeve and the spring.

[0011] With the further arrangement, the outer end of the protective sleeve is provided with a rubber ring in the circumferential direction.

[0012] With the further arrangement, the rubber ring is soft, which is convenient for the use of the skin.

[0013] With the further arrangement, the rotating frame is arranged on the base, the rotating frame is provided with a feeding port and a discharging port, the discharging port is arranged on the side wall of the rotating frame and is in communication with the feeding port, and the protective sleeve is arranged on the outer periphery of the rotating frame and is exposed to the discharging port of the rotating frame.

[0014] With the further arrangement, the dead skin ground by the grinding head enters the feeding port of the rotating frame and then falls out of the discharging port to the outside of the rotating frame and finally falls on the base.

[0015] With the further arrangement, the power input shaft can directly or indirectly drive the second rotating shaft to rotate, the first transmission structure is arranged in the grinding head base, and the grinding head can rotate around the first rotating shaft when the grinding head rotates synchronously with the rotating frame through the first transmission structure.

[0016] With the further arrangement, the transmission structure of the two rotating shafts is simple, the second rotating shaft is driven to rotate by the power input shaft, the rotating frame is driven to rotate around the second rotating shaft, the grinding head rotates synchronously with the rotating frame, the first rotating shaft is driven to rotate on the rotating frame through the first transmission structure, the grinding head rotates around the first rotating shaft on the rotating frame, and the grinding head rotates in two directions.

[0017] With the further arrangement, the first transmission structure comprises a driving gear and a toothed sleeve arranged outside the second rotating shaft, the toothed sleeve is positioned on the base or the head cover, the driving gear is arranged on the first rotating shaft and rotates with the rotating frame, the driving gear is directly or indirectly engaged with the circumferential teeth of the toothed sleeve, and the driving gear is driven to move circumferentially in the toothed sleeve through the rotating frame, so as to drive the first rotating shaft to rotate.

[0018] With the further arrangement, the driving gear moves circumferentially in the toothed sleeve through the rotating frame during work, so as to drive the first rotating shaft to rotate, the grinding head rotates around the first rotating shaft, the transmission structure is simple, the operation is convenient, and the grinding head is driven by one power input shaft.

[0019] The further improved aspect of the present application is that the grinding head assembly is a multi-grinding head structure, which has at least two grinding heads, each of which corresponds to a rotating frame, and the power input shaft drives each second rotating shaft to rotate synchronously through the second transmission structure.

[0020] With the above further improved aspect, the multi-grinding heads work simultaneously, so that the contact area is large and the skin grinding effect is good.

[0021] The further improved aspect of the present application is that the power input shaft is obliquely arranged, the second transmission structure includes a driving gear, a plurality of driven gears sleeved on each corresponding second rotating shaft and engaged with the driving gear, a toothed disc rotating synchronously with the driving gear, and a bevel gear engaged with the toothed disc, and the bevel gear is arranged on the power input shaft.

[0022] With the above further improved aspect, the oblique arrangement of the power input shaft facilitates the assembly of the foot grinder, the driving gear is driven by the power input shaft, and each driven gear is simultaneously rotated by the driving gear, so that each second rotating shaft is simultaneously rotated and the grinding head is polished.

[0023] The further improved aspect of the present application is that the base includes a seat sleeve, a receiving disc in the seat sleeve, and a connecting disc, the receiving disc is used for receiving the dead skin falling from the protective sleeve, the receiving disc and the connecting disc cooperate to form a transmission cavity for accommodating the second transmission structure, and the power input shaft penetrates out of the transmission cavity.

[0024] With the above further improved aspect, the base structure is simple and facilitates the assembly of the second transmission structure. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural diagram of a specific embodiment of the present application;

[0026] Figure 2 is an internal structure diagram of a specific embodiment of the present application;

[0027] Figure 3 is a head cover structure diagram of the grinding head assembly after disassembly in a specific embodiment of the present application;

[0028] Figure 4 is Figure 3 is a structure diagram after removing the shell cover;

[0029] Figure 5 is a structure diagram of the grinding head in a specific embodiment of the present application;

[0030] Figure 6 is a base structure diagram of the grinding head assembly after disassembly in a specific embodiment of the present application, and the a is a receiving chamber;

[0031] Figure 7 is Figure 6Structure diagram of one side of the second transmission structure;

[0032] Figure 8 Connection diagram of the second transmission structure and the power input shaft in the embodiment of the present application. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0034] It should be noted that the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implicitly indicating the number of the indicated technical features.

[0035] For example, Figures 1-8As shown, the grinding head assembly of the foot grinder of the present application comprises a grinding head base 1, a grinding head 2, a first rotating shaft 4 for driving the grinding head 2 to rotate, a rotating frame 5 and a second rotating shaft 6 for driving the rotating frame 5 to rotate, the second rotating shaft 6 can be inserted into the rotating frame 5 to form synchronous rotation, the grinding head 2 is rotatably arranged on the rotating frame 5, the rotating frame 5 can be split into two rotating frame units, the two rotating shafts are perpendicular to each other and are driven by a power input shaft 7, here "perpendicular" does not necessarily mean 90 degrees, the two rotating shafts can also have a certain angular offset, such as "70-degree angle, 89-degree angle, etc." The grinding head base 1 comprises a base 11 and a head cover 12 which are detachably connected, the "detachable connection" here can be buckle connection or magnetic attraction, a protective sleeve 8 is arranged on the head cover 12, the grinding head 2 is located in the protective sleeve 8, the base 11 has a receiving chamber for receiving dead skin falling from the protective sleeve 8, the protective sleeve 8 and the head cover 12 are slidably connected through guide rails and guide grooves, the head cover 12 comprises a shell cover 121 and a shell base 122, a spring 9 is arranged between the protective sleeve 8 and the shell base 122, the shell base 122 is detachably connected with the base 11, a rubber ring 10 made of a material that can deform, such as silicone or rubber, is arranged on the outer end of the protective sleeve 8, the rotating frame 5 is arranged on the base 11, the rotating frame 5 has an inlet 51 and an outlet 52, the inlet 51 is inclined, the outlet 52 is located on the side wall of the rotating frame 5 and is in communication with the inlet 51, the protective sleeve 8 is located on the outer periphery of the rotating frame 5 and exposes the outlet 52 of the rotating frame 5, the power input shaft 7 can directly or indirectly drive the second rotating shaft 6 to rotate, a first transmission structure is arranged in the grinding head base 1, so that when the grinding head 2 rotates synchronously with the rotating frame 5, it can also rotate around the first rotating shaft 4 through the first transmission structure, the first transmission structure comprises a driving gear 91 and a tooth sleeve 92 located outside the second rotating shaft 6, the tooth sleeve 92 is positioned on the receiving disc 112 or the shell base 122, the driving gear 92 is arranged on the first rotating shaft 4 and rotates with the rotating frame 5, the driving gear 91 and the tooth sleeve 92 are directly or indirectly engaged, the driving gear 91 is also driven by the rotating frame 5 to move around the tooth sleeve 92, thereby driving the first rotating shaft 4 to rotate, the grinding head assembly has a multi-grinding head structure, it has at least two grinding heads 2, each grinding head 2 corresponds to a rotating frame 5, and the power input shaft 7 drives each second rotating shaft 6 to rotate synchronously through a second transmission structure.The power input shaft 7 is obliquely arranged, the second transmission structure comprises a driving gear 13, a plurality of driven gears 14 sleeved on each corresponding second rotating shaft 6 and engaged with the driving gear 13, a toothed disc 15 rotating synchronously with the driving gear 13, and a bevel gear 16 engaged with the toothed disc 15, each driven gear 13 is directly engaged with the driving gear 14 or is driven through a plurality of transmission gears, and the bevel gear 16 is arranged on the power input shaft 7; the base 11 comprises a seat sleeve 111, a receiving disc 112 and a connecting disc 113 located in the seat sleeve 111, a receiving chamber is located on the receiving disc 112, the toothed sleeve 92 is fixedly arranged on the receiving disc 112, and the receiving disc 112 and the connecting disc 113 cooperatively form a transmission cavity capable of accommodating the second transmission structure, and the power input shaft 7 penetrates out of the transmission cavity.

[0036] When the grinding head assembly is assembled, the second transmission structure is arranged between the receiving disc 112 and the connecting disc 113, and the seat sleeve 111 is arranged outside the receiving disc 112 and the connecting disc 113 to form the base 11; the rotating frame 5 and the protective sleeve 8 are arranged on the shell seat 122, the spring 9 is arranged between the protective sleeve 8 and the shell seat 122, the shell cover 121 is arranged on the shell seat 122 to form the head cover 12, the grinding head 2 is arranged on the corresponding rotating frame 5 to form a group of grinding heads, and the head cover 12 is arranged on the base 11 to form the grinding head assembly; the driving gear 91 in the first transmission structure is directly or indirectly engaged with the toothed sleeve 92.

[0037] When the grinding head assembly is used, the driving gear 13 is driven to rotate through the power input shaft 7, each driven gear 14 is simultaneously driven to rotate by the driving gear 13, each second rotating shaft 6 is simultaneously rotated, the rotating frame 5 is rotated around the corresponding second rotating shaft 6, the grinding head 2 and the driving gear 91 are simultaneously rotated with the corresponding rotating frame 5, the driving gear 91 is driven to move in the circumferential direction of the corresponding toothed sleeve 92 through the rotating frame 5, the first rotating shaft 4 is driven to rotate, and the grinding head 2 is rotated around the first rotating shaft 4, so that the transmission structure is simple, the operation is convenient, the grinding head 2 is driven to rotate in two directions by one power input shaft 7, the dead skin floating on the skin can be twisted, and the tearing effect is achieved; when the grinding head assembly is used, the protective sleeve 8 can be floated up and down through the action of the spring 9, the rubber ring 10 is attached to the skin, the grinding head 2 is located in the protective sleeve 8, the dead skin removed by the grinding head 2 is blocked from falling into the inside of the protective sleeve 8, the dead skin is effectively prevented from splashing outward, the dead skin removed by the grinding head 2 enters the feeding port 51 of the rotating frame 5, and then falls out of the discharging port 52 to the outside of the rotating frame 5, and finally enters the receiving chamber of the base 11.

[0038] The head cover 12 is detachable, the dead skin collected in the receiving chamber of the base 11 can be poured out, and the grinding head 2 can be cleaned when the head cover 12 is detached.

Claims

1. A foot grinder head assembly, comprising a grinder head base, a grinder head, and a first rotating shaft for driving the grinder head to rotate, characterized in that: It also includes a rotating frame and a second rotating shaft that drives the rotating frame to rotate. The grinding head is rotatably mounted on the rotating frame. The two rotating shafts are perpendicular to each other and are driven by a power input shaft. The power input shaft directly or indirectly drives the second rotating shaft to rotate. The grinding head base is provided with a first transmission structure, so that when the grinding head rotates synchronously with the rotating frame, it also rotates around the first rotating shaft through the action of the first transmission structure. The grinding head base includes a detachably connected base and a head cover. A protective sleeve is installed on the head cover. The grinding head is located inside the protective sleeve. The base is used to collect dead skin that falls from inside the protective sleeve. The grinding head assembly is a multi-grinding head structure, which has at least two grinding heads, each grinding head corresponding to a rotating frame, and the power input shaft drives each second rotating shaft to rotate synchronously through a second transmission structure.

2. The grinding head assembly of a foot grinder according to claim 1, characterized in that: The protective sleeve and the head cover are in a sliding fit. The head cover includes a shell cover and a shell base, and a spring is provided between the protective sleeve and the shell base.

3. The grinding head assembly of a foot grinder according to claim 1, characterized in that: The outer end of the protective sleeve is provided with a rubber ring along its circumference.

4. The grinding head assembly of a foot grinder according to claim 1, characterized in that: The rotating frame is mounted on the base and has a feed inlet and a discharge outlet. The discharge outlet is located on the side wall of the rotating frame and is connected to the feed inlet. The protective sleeve is located on the outer periphery of the rotating frame and allows the discharge outlet of the rotating frame to be exposed.

5. The grinding head assembly of a foot grinder according to claim 1, characterized in that: The first transmission structure includes a drive gear and a gear sleeve located outside the second rotating shaft. The gear sleeve is positioned on the base or head cover. The drive gear is mounted on the first rotating shaft and rotates with the rotating frame. The drive gear directly or indirectly meshes with the circumferential teeth of the gear sleeve. The drive gear is also driven by the rotating frame to move in the circumferential direction of the gear sleeve, thereby driving the first rotating shaft to rotate.

6. The grinding head assembly of a foot grinder according to claim 1, characterized in that: The power input shaft is inclined, and the second transmission structure includes a driving gear, multiple driven gears sleeved on each corresponding second rotating shaft and meshing with the driving gear, a gear disk that rotates synchronously with the driving gear, and a bevel gear that meshes with the gear disk. The bevel gear is mounted on the power input shaft.

7. The grinding head assembly of a foot grinder according to claim 1, characterized in that: The base includes a seat sleeve, a receiving tray and a connecting tray located inside the seat sleeve. The receiving tray is used to collect dead skin that falls from inside the protective sleeve. The receiving tray and the connecting tray cooperate to form a transmission cavity for accommodating the second transmission structure. The power input shaft extends out of the transmission cavity.

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