Electric shaver

Abstract

The present application provides a kind of electric shaver, including body and the motor being arranged in body, two front and rear parallelly arranged cutter head assemblies, the cutter head assembly includes steel outer cutter, the inner cutter that is slidably contacted along the inner surface of outer cutter and the inner cutter holder, including eccentric cam being installed on the output shaft of motor, two drive sub that respectively convert the rotary power of motor into reciprocating power and drive two cutter head assemblies, two cutter head assemblies are inclinedly arranged in body, i.e. the upper shaving surface formed by two cutter head assemblies is inclined shaving surface, the angle between the inclined shaving surface and the vertical plane of body hand is 30-60 degrees, the drive shaft on the first drive sub and the drive shaft on the second drive sub are not parallel and are in open structure, and the opening angle is 15-60 degrees.The cutter head is more closely attached to the face, and the skin is better.

Description

TECHNICAL FIELD

[0001] The present application relates to a reciprocating electric shaver. BACKGROUND

[0002] The conventional electric shaver uses the motor to drive the blade to move relative to the fixed blade to cut the beard or hair entering the mesh, the motor and the driving sub can only be assembled on a parallel plane, i.e. left-right floating or front-back floating, the defect is that this movement mode needs to change the posture of the handheld electric shaver several times to complete a complete shaving task, and the achieved close-to-face floating effect is not very comfortable. In order to achieve the elbow effect, the present application sets the inflection point between the entire shaver head and the motor output shaft, but the angle between the handheld part and the face to be shaved is still nearly vertical, and the posture is awkward. The existing multi-row blades are all top-mounted with the shaving surface, and are driven by the vertical transmission shaft, and the floating direction can only be vertical up-down floating, which is not conducive to the contour adhesion of the face. SUMMARY

[0003] The present application provides an electric shaver with an inclined shaving working surface and vertical handheld, which can smoothly and comfortably shave, can realize the reverse movement of the two blade heads, reduce the working noise and the vibration transmitted to the user's hand, and is convenient to install, and the floating angle of the two blade heads is more suitable for the shaving surface, and the downward pressure angle of the two blade heads is more adaptive.

[0004] To solve the above technical problems, the present application adopts the following technical scheme: an electric shaver, comprising a machine body and a motor arranged in the machine body, two front-back parallel arranged blade head assemblies, the blade head assembly comprises a steel outer blade, an inner blade slidingly contacting the inner surface of the outer blade, and an inner blade holder, comprising an eccentric cam mounted on the output shaft of the motor, two driving subs respectively converting the rotary power of the motor into reciprocating power and transmitting the reciprocating power to the two blade head assemblies, the two blade head assemblies are obliquely arranged on the machine body, i.e. the upper shaving surface formed by the two blade head assemblies is an inclined shaving surface, the angle between the inclined shaving surface and the vertical surface of the machine body is 30-60 degrees, the driving sub comprises a driving frame driven by the eccentric cam, a driving shaft transmitting the reciprocating power of the driving frame to the inner blade of the blade head assembly and arranged obliquely, and an elastic bending part supporting the driving frame on both sides of the driving frame and capable of reciprocating, the two driving subs are a first driving sub and a second driving sub, the driving shaft on the first driving sub and the driving shaft on the second driving sub are not parallel and form an open structure, and the opening angle is 15-60 degrees.

[0005] As an improvement, the two inner blade holders are provided with driving through holes at the center position and matched with the driving shaft, the front-back length of the driving through hole is greater than the free end of the driving shaft, so as to realize the angle adjustment of the blade head assembly and the driving shaft, and the two inner blade holders are obliquely suspended in the machine body through the elastic support assemblies at both ends.

[0006] As an improvement: the elastic support assembly comprises a U-shaped piece obliquely mounted in the body, two elastic free ends of the U-shaped piece are supported on the side bottom edges of the two inner knife holders respectively, and the two elastic free ends are respectively provided with upper convex transverse ribs.

[0007] As an improvement: the eccentric cam is provided with a swing rod mounted on the eccentric convex shaft, the swing rod is provided with a sliding shaft opposite the eccentric convex shaft by 180 degrees, the driving frame is provided with a driving groove, the driving grooves on the first driving sub and the second driving sub are opposite, the eccentric convex shaft is matched with the driving groove of the first driving sub, and the sliding shaft is matched with the driving groove of the second driving sub.

[0008] As an improvement: the temple hair cutter assembly is detachably connected to the body, and the temple hair cutter assembly is driven to work through the linkage rod sleeved at one end on the driving frame of the second driving sub.

[0009] As an improvement: the connecting protruding end of the elastic bending part is provided with a fixing part fixed on the body frame, two fixing holes distributed in front and back are respectively arranged on the fixing part, the body frame is provided with fixing columns corresponding to the two fixing holes, the fixing holes are sleeved on the outside of the fixing columns to connect the connecting protruding ends of the elastic bending parts of the two driving subs into an integral whole, and a threaded hole is further formed in the middle of the two fixing holes on the fixing part, and the connecting protruding ends of the elastic bending parts of the two driving subs are fixed on the body frame through the threaded hole by a screw.

[0010] The electric shaver provided by the present application has the beneficial effects that: the shaving surface is obliquely arranged upward, so that the shaving surface can be well attached to the face when the shaver is held vertically and comfortably, and the two cutter assemblies are obliquely arranged upward on the body, that is, the working cutter assembly and the face contour are in parallel, the floating of the cutter head is in line when the face is slightly pressed, the hand feeling is light, the floating is self-adapting, the movement is smooth, the cutter head is more closely attached to the face, and the skin friendliness is better compared with the prior art. In addition, the driving shaft of the present application adopts an open structure, so that the body size is small, the distance between the two cutter heads is sufficient, the small body and large cutter head reduce the overall size, the structure is compact, and the present application is especially suitable for travel carrying.

[0011] The present application will be further described in detail below in combination with the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic diagram of an embodiment of the electric shaver provided by the present application.

[0013] Figure 2 is Figure 1 the internal side view of

[0014] Figure 3 is Figure 1 the internal structure diagram of

[0015] Figure 4 is Figure 2 an exploded view. DETAILED DESCRIPTION

[0016] In the description of the application, it should be explained that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In the description of the application, it should be understood that the terms "connected", "connected", "fixed" and the like used in the application should be understood in a broad sense, for example, can be fixedly connected, can also be detachably connected, or integrated; can be directly connected, or indirectly connected through an intermediate medium. Unless otherwise specified. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0017] As Figure 1 , Figure 2 , Figure 3 , Figure 4The electric shaver comprises a body 1, a motor 2 arranged in the body 1, two front and rear parallel arranged cutter assemblies, the cutter assembly comprises a steel outer cutter a, an inner cutter b in sliding contact with the inner surface of the outer cutter a and an inner cutter holder 6, characterized in that: an eccentric cam 4 is arranged on the output shaft of the motor 2, two driving parts 3 are arranged respectively to convert the rotary power of the motor into reciprocating power and transmit the reciprocating power to the two cutter assemblies, the two cutter assemblies are arranged in an inclined manner on the body, the upper shaving surface formed by the two cutter assemblies is an inclined shaving surface, the angle between the inclined shaving surface and the vertical surface of the body is 45 degrees, which is most ergonomic and comfortable to use, and the user does not need to hold the body too high, which is the most labor-saving. The driving part 3 comprises a driving frame 31 reciprocally driven by the eccentric cam 5, a driving shaft 32 arranged in the cutter assembly and not vertically arranged to transmit the reciprocating power of the driving frame 31 to the inner cutter, and a flexible bending part 33 arranged on both sides of the driving frame and capable of reciprocally moving to support the driving frame, the flexible bending part 33 is connected to one side of the swing frame by a thin sheet with a U-shaped structure. The two driving parts 3 are a first driving part and a second driving part, the driving shaft on the first driving part and the driving shaft on the second driving part are not parallel and are arranged in an open structure, and the opening angle is 15-60 degrees. The open structure can further separate the distance between the two cutters, that is, on the basis of the fixed distance between the two cutter assemblies, the two driving parts are concentrated, that is, the size of the driving frame 31 is reduced. The two inner cutter holders 6 are arranged at the center position and are provided with a driving through hole 61 matched with the driving shaft 32, the front and rear lengths of the driving through hole are greater than the free end of the driving shaft 32, so as to realize the angle adjustment of the cutter assembly and the driving shaft, and the two inner cutter holders 6 are inclined and suspended in the body through the elastic support assembly at both ends. The elastic support assembly comprises a U-shaped sheet 7 arranged in an inclined manner in the body, the two elastic free ends of the U-shaped sheet 7 are respectively supported on the side bottom edges of the two inner cutter holders, and the two elastic free ends are respectively provided with upper convex horizontal ribs 71. The upper convex horizontal ribs 71 can better abut on the inner cutter holder, and facilitate assembly and positioning. The setting is arranged to increase the self-adaptability of floating, and is more suitable for the contour of the face. Since the cutter follows the high degree of freedom of the tilting motion of the skin surface, the cutter tilts flexibly, the hand holding part of the electric shaver does not need to be frequently switched to cut the beard, and the use is more convenient. The eccentric cam 4 is provided with a swing rod 5 arranged on the eccentric cam shaft 41, the swing rod 5 is provided with a sliding shaft 51 arranged at a position 180 degrees away from the eccentric cam shaft 41, the driving frame 31 is provided with a driving groove 34, the driving groove on the first driving part and the driving groove on the second driving part are arranged opposite to each other, the eccentric cam shaft 41 is matched with the driving groove of the first driving part, and the sliding shaft 51 is matched with the driving groove of the second driving part, so that the driving frames 31 of the first driving part and the second driving part reciprocally move in opposite directions, the movement is synchronous, the conversion rate is high, the driving parts are concentrated, and the distance is small.The electric shaver of the present solution realizes the optimization of the driving sub-structure, and the driving pair of inner shaver is always reciprocated in opposite directions in a proper manner, i.e., in a synchronous state, so that the motion inertia of each driving member is offset, the vibration of the shaver head when the driving pair is driven to reciprocate is greatly reduced, the transmission loss is very low, the balance of the whole machine is good, the hand feeling is static, the shaving performance of the double shaver head is improved, the temperature rise and vibration intensity are reduced, and the use comfort of the shaver is improved. The connecting protruding end of the elastic bending part 33 is provided with a fixing part 35 fixed on the machine body frame, two fixing holes 351 distributed in front and back are respectively arranged on each fixing part, the machine body frame is provided with fixing columns corresponding to the two fixing holes, the fixing hole 351 is sleeved on the fixing column to connect the connecting protruding ends of the elastic bending parts 33 of the two driving members into one, and a threaded hole is further formed in the middle of the two fixing holes on the fixing part 35, and the connecting protruding ends of the elastic bending parts 33 of the two driving members are fixed on the machine body frame through the threaded hole. It is convenient for sequential assembly and assembly positioning, which effectively prevents the two driving members from being dislocated or deviated during assembly or use, affects the shaving efficiency of the shaver head, ensures that the two driving members will not vibrate and displace in the machine body, reduces the overall vibration of the shaver head, improves the shaving comfort, reduces the cost, and improves the assembly efficiency.

[0018] The electric shaver of the present solution realizes the optimization of the driving sub-structure, and the driving pair of inner shaver is always reciprocated in opposite directions in a proper manner, i.e., in a synchronous state, so that the motion inertia of each driving member is offset, the vibration of the shaver head when the driving pair is driven to reciprocate is greatly reduced, the transmission loss is very low, the balance of the whole machine is good, the hand feeling is static, the shaving performance of the double shaver head is improved, the temperature rise and vibration intensity are reduced, and the use comfort of the shaver is improved. The connecting protruding end of the elastic bending part 33 is provided with a fixing part 35 fixed on the machine body frame, two fixing holes 351 distributed in front and back are respectively arranged on each fixing part, the machine body frame is provided with fixing columns corresponding to the two fixing holes, the fixing hole 351 is sleeved on the fixing column to connect the connecting protruding ends of the elastic bending parts 33 of the two driving members into one, and a threaded hole is further formed in the middle of the two fixing holes on the fixing part 35, and the connecting protruding ends of the elastic bending parts 33 of the two driving members are fixed on the machine body frame through the threaded hole. It is convenient for sequential assembly and assembly positioning, which effectively prevents the two driving members from being dislocated or deviated during assembly or use, affects the shaving efficiency of the shaver head, ensures that the two driving members will not vibrate and displace in the machine body, reduces the overall vibration of the shaver head, improves the shaving comfort, reduces the cost, and improves the assembly efficiency.

[0019] Although the present solution has been disclosed as above with specific embodiments, it is not intended to limit the present solution, and any person skilled in the art can make some changes and modifications without departing from the spirit and scope of the present solution, therefore the protection scope of the present solution should be defined by the scope of the appended claims.

Claims

1. An electric shaver comprising a body (1) and an electric motor (2) arranged in the body (1), two front and rear parallelly arranged head assemblies, said head assemblies comprising a steel outer cutter (a), an inner cutter (b) slidingly contacting the inner surface of the outer cutter (a) and an inner cutter holder (6), characterized in that: The shaver comprises an eccentric cam (4) installed on the output shaft of the motor (2), two driving subassemblies (3) for converting the rotating power of the motor into reciprocating power and transmitting the power to two cutter assemblies, and the two cutter assemblies are arranged in an inclined manner on the shaver body, i.e., the upper shaving surface formed by the two cutter assemblies is an inclined shaving surface, and the angle between the inclined shaving surface and the vertical surface of the shaver body is 30-60 degrees. The driving subassembly (3) comprises a driving frame (31) reciprocally driven by the eccentric cam (4), a driving shaft (32) for transmitting the reciprocating power of the driving frame (31) to the cutter assembly, and an elastic bending part (33) for supporting the driving frame (31) and capable of reciprocating movement. The two driving subassemblies (3) are a first driving subassembly and a second driving subassembly, the driving shaft on the first driving subassembly and the driving shaft on the second driving subassembly are not parallel and are arranged in an open structure, and the opening angle is 15-60 degrees. The two inner cutter holders (6) are arranged in an inclined manner in the shaver body by means of elastic supporting assemblies at both ends, and the driving shaft (32) is arranged in the driving through hole (61) of the inner cutter holder (6) in a cooperative manner. The front and rear lengths of the driving through hole are greater than the free end of the driving shaft (32), so as to realize the angle adjustment between the cutter assembly and the driving shaft. The eccentric cam (4) is provided with a swing rod (5) on the eccentric cam shaft (41), and the swing rod (5) is provided with a sliding shaft (51) on the upper surface and the sliding shaft (51) is arranged at a position 180 degrees away from the eccentric cam shaft (41). The driving frame (31) is provided with a driving groove (34), and the driving grooves on the first driving subassembly and the second driving subassembly are arranged in a facing manner. The eccentric cam shaft (41) is arranged in the driving groove of the first driving subassembly in a cooperative manner, and the sliding shaft (51) is arranged in the driving groove of the second driving subassembly in a cooperative manner.

2. The electric shaver according to claim 1, characterized in that The elastic supporting assembly comprises a U-shaped sheet (7) arranged in an inclined manner in the shaver body, and the two elastic free ends of the U-shaped sheet (7) are respectively supported on the side bottom edges of the two inner cutter holders, and the two elastic free ends are respectively provided with upper convex transverse ribs (71).

3. The electric shaver according to claim 1 or 2, characterized in that: The shaver further comprises a temple cutter assembly (9) detachably connected to the shaver body, and the temple cutter assembly is driven by a linkage rod (8) sleeved on the driving frame of the second driving subassembly.

4. The electric shaver according to claim 1 or 2, characterized in that: The connecting protruding end of the elastic bending part (33) is provided with a fixing part (35) fixed to the shaver body frame, and the fixing part (35) is provided with two fixing holes (351) distributed in front of and behind each other. The shaver body frame is provided with fixing columns corresponding to the two fixing holes, and the fixing holes (351) are sleeved on the fixing columns to connect the connecting protruding ends of the elastic bending parts (33) of the two driving subassemblies into one body. Furthermore, a threaded hole is formed in the fixing part (35) between the two fixing holes, and the connecting protruding ends of the elastic bending parts (33) of the two driving subassemblies are fixed to the shaver body frame by means of screws.

5. The electric shaver according to claim 3, characterized in that: The connecting protruding end of the elastic bending part (33) is provided with a fixing part (35) fixed on the fuselage frame, two fixing holes (351) distributed in front and back are respectively arranged on each fixing part, the fuselage frame is provided with fixing columns corresponding to the two fixing holes respectively, the fixing hole (351) is sleeved on the fixing column to make the connecting protruding ends of the two driving sub elastic bending parts (33) connected as a whole, and a threaded hole is further formed in the middle of the two fixing holes on the fixing part (35), and the connecting protruding ends of the two driving sub elastic bending parts (33) are fixed on the fuselage frame through the threaded hole by a screw.

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