Spring transmission mechanism of shaver

Abstract

A spring transmission mechanism of a shaver comprises a shell, a cutter head assembly and a motor, and is characterized in that the spring transmission mechanism comprises a spring and two connectors, the two connectors are connected with the two ends of the spring respectively, the other end of one connector is connected with a rotating shaft of the motor, and the other end of the other connector is connected with the rotating shaft of the motor. The other end of the other connector is connected with a rotating shaft, and the rotating shaft is in transmission connection with a cutter rest of the cutter head assembly through a shaft sleeve. The shaver transmission mechanism is simple and reasonable in structure, good in transmission effect, capable of effectively solving the transmission problem that two rotating structures are not on the same axis, few in parts, convenient to assemble, low in cost, not only suitable for shavers, but also suitable for other products with similar structures.

Description

Technical Field

[0001] The utility model belongs to the technical field of shavers, and in particular relates to a spring transmission mechanism of a single-head shaver. Background Art

[0002] With the continuous improvement of people's living standards, various small household appliances have also entered the lives of ordinary people. Razors are deeply loved by men as shaving tools. Razors are divided into single-head razors and multi-head razors according to the number of blade heads. Among them, single-head razors basically use motors to directly drive the blades to rotate. If the motor shaft and the blade rotating shaft are on the same axis, they can be connected directly or through a connector. If the motor shaft and the blade rotating shaft are not on the same axis, they are usually connected by gear transmission. This type of razor uses gear transmission connection, which has a more complicated structure. Moreover, if there is a certain angle between the two shafts, this structure cannot be applied. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a spring transmission mechanism of a shaver with simple and reasonable structure, convenient assembly and good transmission effect in view of the above technical status quo, so as to solve the transmission problem when two rotating structures are not on the same axis.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a spring transmission mechanism of a shaver, the shaver includes a shell, a cutter disc assembly and a motor, and is characterized in that: the spring transmission mechanism includes a spring and a connector, there are two connectors, which are respectively connected to the two ends of the spring, the other end of one of the connectors is connected to the motor shaft, and the other end of the other connector is connected to the rotating shaft, and the rotating shaft is transmission-connected to the cutter holder of the cutter disc assembly through a shaft sleeve.

[0005] Preferably, the spring is a square spring in shape to facilitate assembly and prevent slipping.

[0006] More preferably, the two connectors are on the same transmission axis, thereby improving traditional efficiency and reducing energy consumption.

[0007] Further preferably, the axis of the spring is on the transmission axis, which improves traditional efficiency and reduces energy consumption.

[0008] As an improvement, the connector is disc-shaped, with a spring column convexly provided in the middle of one end of the connector for positioning the spring sleeve, and a positioning hole concavely provided in the middle of the other end of the connector for inserting and positioning the rotating shaft or the motor shaft. One end of the rotating shaft is plugged into the connector for positioning, and the other end is plugged into the sleeve for positioning.

[0009] Furthermore, the tool disc assembly includes a tool holder and a blade, the blade is mounted on the tool holder, a connecting sleeve with an inner hexagonal hole is provided in the middle of the tool holder, the sleeve is an outer hexagonal sleeve corresponding to the inner hexagonal hole, and the rotating shaft is inserted into the connecting sleeve of the tool holder through the sleeve and is transmission-connected to the tool holder.

[0010] Furthermore, an oil-containing bearing is sleeved outside the rotating shaft, and the oil-containing bearing is arranged between the connecting head and the shaft sleeve.

[0011] Furthermore, the shell includes a lower shell and an upper shell, wherein the upper shell is formed by combining a front shell and a rear shell, a circular notch for installing a beard storage box is provided at the upper front end of the front shell, a power switch button is provided at the lower front end of the front shell, a battery is provided on the side of the motor through a clamp, a charging bracket is provided at the lower end of the motor, and a charging hole is provided at the bottom of the lower shell.

[0012] Furthermore, the beard storage box is installed in the circular notch of the front shell by means of a snap connection, the blade disc assembly is installed on the front side of the beard storage box, and a mesh cover is provided at the front end of the blade disc assembly for positioning with the front shell.

[0013] Finally, a motor frame is also provided in the shell, the motor frame is arranged above the lower shell, the front shell and the rear shell are arranged on the front and rear sides of the motor frame, the rear end of the whisker storage box is convexly provided with a connecting plate, which is fixedly connected to the motor frame by screws, the rear shell is snap-connected to the front shell, and a sealing ring is lined between the motor frame and the lower shell.

[0014] Compared with the prior art, the advantages of the utility model are: the spring transmission mechanism includes a spring and two connectors, one end of the two connectors is connected to the two ends of the spring, and the other end is connected to the motor shaft or the rotating shaft. When the motor rotates, the spring transmission mechanism transmits the power to the knife holder, driving the knife holder to rotate. The utility model has a simple and reasonable structure, good transmission effect, and effectively solves the transmission problem of two rotating structures not on the same axis. In addition, it has fewer parts, is easy to assemble, and has low cost. The utility model is not only suitable for razors, but also suitable for other products with similar structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the spring transmission mechanism of an embodiment of the utility model;

[0016] Figure 2 It is an exploded view of the spring transmission mechanism;

[0017] Figure 3 This is a schematic diagram of the structure of a shaver according to an embodiment of the utility model;

[0018] Figure 4 An exploded view of the razor.

[0019] Figure 5 for Figure 4 A further breakdown of the diagram.

[0020] Figure 6 This is a schematic diagram of the structure in which the spring transmission mechanism is installed on the motor. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 6 As shown, a spring transmission mechanism of a shaver, the shaver comprises a housing, a cutter disc assembly 4 and a motor 5, and a spring transmission mechanism 8 is arranged between the cutter disc assembly 4 and the motor 5. The spring transmission mechanism 8 comprises a spring 81 and a connector 82, and there are two connectors 82, which are respectively connected to both ends of the spring 81, wherein the other end of one connector 82 is connected to the motor shaft, and the other end of the other connector 82 is connected to the rotating shaft 83, and the rotating shaft 83 is drivingly connected to the cutter frame 41 of the cutter disc assembly 4 through a shaft sleeve 85.

[0023] The specific structure is as follows: the spring 81 is a spiral spring of a special structure, but the spring 81 is preferably a spring with a square shape, which is convenient for assembly and not easy to slip. The connector 82 is disc-shaped, and a spring column 821 for the spring 81 to be positioned is convexly provided in the middle of one end of the connector 82. The spring column 821 also preferably has a square cross-section. A positioning hole 822 for the rotation shaft 83 or the motor shaft to be inserted and positioned is concavely provided in the middle of the other end of the connector 82. One end of the rotation shaft 83 is plugged and positioned with the connector 82, and the other end is plugged and positioned with the shaft sleeve 85. Usually, in order to improve efficiency and reduce energy consumption, the two connectors 82 are on the same transmission axis, and the axis of the spring 81 is also on the transmission axis.

[0024] The cutter disc assembly 4 includes a tool holder 41 and a blade 42. The blade 42 is mounted on the tool holder 41. A connecting sleeve 411 with an inner hexagonal hole is provided in the middle of the tool holder 41. The sleeve 85 is an outer hexagonal sleeve corresponding to the inner hexagonal hole. The rotating shaft 83 is inserted into the connecting sleeve 411 of the tool holder 41 through the sleeve 85 and is transmission-connected to the tool holder 41.

[0025] An oil-containing bearing 84 is sleeved on the rotating shaft 83 , and the oil-containing bearing 84 is arranged between the connecting head 82 and the shaft sleeve 85 .

[0026] The housing comprises a lower housing 1 and an upper housing, wherein the upper housing is formed by the front housing 2 and the rear housing 3. The upper front end of the front housing 2 is provided with a circular notch for installing the whisker storage box 7. The lower front end of the front housing 2 is provided with a power switch button 9. The side of the motor 5 is provided with a battery 20 through a clamp. The lower end of the motor 5 is provided with a charging bracket 50. The bottom of the lower housing 1 is provided with a charging hole. The whisker storage box 7 is installed in the circular notch of the front housing 2 by means of a snap connection. The blade assembly 4 is installed on the front side of the whisker storage box 7. The front end of the blade assembly 4 is provided with a mesh cover for positioning with the front housing 2. A motor frame 6 is also provided in the housing. The motor frame 6 is arranged above the lower housing 1. The motor frame 6 is fixedly connected to the connecting column 11 on the inner wall of the lower housing 1 by screws. The front housing 2 and the rear housing 3 are arranged on the front and rear sides of the motor frame 6. The rear end of the whisker storage box 7 is provided with a connecting plate 71 protrudingly and fixedly connected to the motor frame 6 by screws. The rear housing 3 is connected to the front housing 2 by snap connection. A sealing ring 10 is arranged between the motor frame 6 and the lower housing 1.

[0027] When working, when the motor 5 rotates, it drives the connector 82 to rotate, and the spring 81 rotates accordingly, and then drives the rotating shaft 83 and the sleeve 85 to rotate, so as to realize the rotation of the tool holder 41 and the blade 42. This embodiment has a simple and reasonable structure and a good transmission effect, and effectively solves the transmission problem of two rotating structures not on the same axis.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A spring transmission mechanism for a shaver, the shaver comprising a housing, a cutter disc assembly and a motor, characterized in that: The spring transmission mechanism includes a spring and a connector. There are two connectors, which are respectively connected to the two ends of the spring. The other end of one connector is connected to the motor shaft, and the other end of the other connector is connected to the rotating shaft. The rotating shaft is connected to the tool holder of the cutter disc assembly through a sleeve.

2. The spring transmission mechanism according to claim 1, characterized in that: The spring is a spring with a square shape.

3. The spring transmission mechanism according to claim 2, characterized in that: The two connectors are on the same transmission axis.

4. The spring transmission mechanism according to claim 3, characterized in that: The axis of the spring is on the transmission axis.

5. The spring transmission mechanism according to claim 4, characterized in that: The connector is disc-shaped, with a spring column convexly disposed in the middle of one end of the connector for positioning the spring sleeve, and a positioning hole concavely disposed in the middle of the other end of the connector for inserting and positioning the rotating shaft or the motor shaft. One end of the rotating shaft is plugged into the connector for positioning, and the other end is plugged into the shaft sleeve for positioning.

6. The spring transmission mechanism according to claim 5, characterized in that: The cutter disc assembly includes a tool holder and a blade, the blade is mounted on the tool holder, a connecting sleeve with an inner hexagonal hole is provided in the middle of the tool holder, the shaft sleeve is an outer hexagonal shaft sleeve corresponding to the inner hexagonal hole, and the rotating shaft is inserted into the connecting sleeve of the tool holder through the shaft sleeve and is transmission-connected to the tool holder.

7. The spring transmission mechanism according to claim 6, characterized in that: An oil-containing bearing is sleeved outside the rotating shaft, and the oil-containing bearing is arranged between the connecting head and the shaft sleeve.

8. The spring transmission mechanism according to any one of claims 1 to 7, characterized in that: The shell includes a lower shell and an upper shell, wherein the upper shell is formed by combining a front shell and a rear shell, a circular notch for installing a beard storage box is provided at the upper front end of the front shell, a power switch button is provided at the lower front end of the front shell, a battery is provided on the side of the motor through a clamp, a charging bracket is provided at the lower end of the motor, and a charging hole is provided at the bottom of the lower shell.

9. The spring transmission mechanism according to claim 8, characterized in that: The beard storage box is installed in the circular notch of the front shell by means of a snap connection, the blade disc assembly is installed on the front side of the beard storage box, and a mesh cover is provided at the front end of the blade disc assembly for positioning with the front shell.

10. The spring transmission mechanism according to claim 9, characterized in that: A motor frame is also provided in the shell body, the motor frame is arranged above the lower shell, the front shell and the rear shell are arranged on the front and rear sides of the motor frame, a connecting plate is convexly provided at the rear end of the whisker storage box, and is fixedly connected to the motor frame by screws, the rear shell is snap-connected to the front shell, and a sealing ring is lined between the motor frame and the lower shell.

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