Electric shaver

Abstract

The utility model discloses an electric shaver which comprises a shell, battery packs arranged at the lower end in the shell and used for supplying power and a motor arranged between the battery packs, a shaving mechanism used for shaving is arranged at the upper end in the shell, and the output end of the motor is connected with the lower end of the shaving mechanism and used for driving the shaving mechanism. The shaving mechanism comprises a main shaft, two driven shafts, a plurality of eccentric shafts and a tool bit assembly, the output end of the motor is connected with the lower end of the main shaft, and a transmission gear a is arranged at the lower end of the main shaft; the electric shaver is simple in structure and reasonable in design, the three shaver heads can be driven to work at the same time through one motor, the three shaver heads are driven through gears, energy consumption is reduced, power transmission is more stable, shaving comfort and efficiency are improved, shaving noise is low, the movement direction of the middle shaver head in the three shaver heads is opposite to that of the shaver heads on the two sides, and the shaver efficiency is improved. And beards at different angles can be effectively shaved, and the shaving effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shaver, concretely is a kind of electric shaver. BACKGROUND

[0002] Shaver is widely used in people's daily life, and shaver is divided into blade type and electric type, and electric shaver is favored by people because of convenient and fast use.Electric shaver is used after charging, and people like to use shaver to clean beard before work, so that people look more refreshing, or take shaver when traveling.

[0003] Disadvantages of prior art:

[0004] Shaver is usually driven by motor to work, and multiple blades are driven by one motor to cut, and power transmission is easy to be wasted in the transmission process of multiple blades, so that energy consumption is increased, and power transmission is unstable, so that blade is easy to shake in work, which not only affects the service life of blade, but also increases noise. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of electric shaver to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electric shaver, including shell, the battery pack for power supply being arranged in the lower end of shell interior and the motor being arranged between battery pack, the upper end in shell interior is provided with the shaving mechanism for shaving, the output end of motor is connected with the lower end of shaving mechanism for driving shaving mechanism, and the shaving mechanism includes:

[0007] Main shaft, the output end of motor is connected with the lower end of main shaft, and the lower end of main shaft is provided with transmission gear a;

[0008] Two driven shafts, the lower end of two driven shafts is movably arranged on shell, and two driven shafts are symmetrically distributed on the two sides of main shaft and provided with transmission gear b, and transmission gear a and transmission gear b are engagedly connected;

[0009] A plurality of eccentric shafts, the eccentric shaft is arranged in the cavity opened in the upper end of main shaft and two driven shafts;

[0010] Head assembly, the head assembly is arranged in the upper end of eccentric shaft.

[0011] Preferably, the head assembly includes:

[0012] Bracket, the bracket is arranged in the upper end of shell;

[0013] An intermediate mounting rack is arranged on the upper end surface of the bracket, and a first fixed blade is arranged on the intermediate mounting rack;

[0014] Two side mounting racks are arranged on the upper end of the bracket on both sides of the intermediate mounting rack, and a second fixed blade is arranged on each of the two side mounting racks;

[0015] A first movable blade holder is movably arranged on the intermediate mounting rack, and a first movable blade is arranged on the upper end of the first movable blade holder;

[0016] Two second movable blade holders are movably arranged on the two side mounting racks, and the lower end of the first movable blade holder and the lower end of each of the two second movable blade holders are provided with a connecting groove matched with an eccentric shaft, and a second movable blade is arranged on the upper end of each of the two second movable blade holders.

[0017] Preferably, the shell comprises:

[0018] A lower mounting shell is used for mounting a battery pack and a motor;

[0019] A connecting shell is arranged on the upper end of the lower mounting shell, and the lower end of each of the two driven shafts is movably arranged on the connecting shell;

[0020] An upper mounting shell is arranged on the upper end of the connecting shell, and the bracket is arranged on the upper end of the upper mounting shell.

[0021] Preferably, the shell further comprises:

[0022] A lower outer protective shell is arranged outside the lower mounting shell for protecting the internal structure of the lower mounting shell;

[0023] An upper inner protective shell is arranged on the upper end of the upper mounting shell for protecting the blade head assembly;

[0024] An upper outer protective shell is arranged outside the upper mounting shell and the upper inner protective shell for protecting the blade head assembly.

[0025] Preferably, the lower end of the lower mounting shell is provided with a support plate for supporting the battery pack and the motor, the lower end surface of the support plate is provided with a charging interface, and the lower mounting shell and the lower outer protective shell are both provided with an opening matched with the charging interface.

[0026] Preferably, one side of the connecting shell is provided with a switch for controlling the power-on and power of the motor, and the upper mounting shell is provided with an opening matched with the switch.

[0027] Preferably, the bracket and the intermediate mounting frame are connected with the two side mounting frames through a clamping assembly, and the clamping assembly comprises:

[0028] A plurality of clamping grooves are arranged on the two sides of the bracket.

[0029] A clamping block is arranged on the two sides of the intermediate mounting frame and the two side mounting frames and matches the clamping groove.

[0030] Preferably, the lower ends of the two sides of the first movable tool holder and the lower ends of the two sides of the two second movable tool holders are provided with guide blocks, and the intermediate mounting frame and the two side mounting frames are provided with guide grooves matched with the guide blocks.

[0031] Preferably, a plurality of guide columns for mounting and positioning the intermediate mounting frame and the two side mounting frames are arranged on the bracket, and springs are arranged on the outer sides of the guide columns.

[0032] Preferably, a plurality of clamping pieces are arranged on the two sides of the lower mounting shell, and the lower end of the connecting shell is provided with a clamping buckle matched with the clamping piece.

[0033] Compared with the prior art, the utility model has the beneficial effects that:

[0034] 1. The electric shaver is provided with a shaving mechanism, the shaving mechanism comprises a main shaft, two driven shafts, a plurality of eccentric shafts and a cutter head assembly, one motor can drive three cutter heads to work at the same time, three cutter heads are driven through gears, energy consumption is reduced, power transmission is more stable, and the comfort and efficiency of shaving are improved, and the shaving noise is small.

[0035] 2. The electric shaver is provided with a cutter head assembly, the cutter head assembly comprises a bracket, an intermediate mounting frame, two side mounting frames, a first movable tool holder and two second movable tool holders, the intermediate cutter head and the two side cutter heads in the three cutter heads move in opposite directions, different angle hairs can be effectively shaved, and the shaving effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is a schematic view of the cutter head assembly of the utility model;

[0037] Figure 2 It is a schematic view of the Figure 2 It is a schematic view of the;

[0038] Figure 3 It is a schematic view of the working state of the utility model;

[0039] Figure 4 It is a schematic view of the connection between the lower mounting shell and the connecting shell of the utility model;

[0040] Figure 5 The battery pack and motor installation schematic view of the utility model;

[0041] Figure 6 The overall bottom view of the utility model;

[0042] Figure 7 The knife head assembly perspective view of the utility model;

[0043] Figure 8 The eccentric shaft and two second movable tool rest connection schematic view of the utility model;

[0044] Figure 9 The main shaft and two driven shaft connection schematic view of the utility model.

[0045] In the figure: 1, the shell; 101, the lower installation shell; 102, the connecting shell; 103, the upper installation shell; 104, the lower outer protective shell; 105, the upper inner protective shell; 106, the upper outer protective shell; 2, the battery pack; 3, the motor; 4, the shaving mechanism; 41, the main shaft; 411, the transmission gear a; 42, two driven shafts; 421, the transmission gear b; 43, the eccentric shaft; 44, the knife head assembly; 441, the bracket; 442, the intermediate mounting frame; 443, the first fixed blade; 444, two side mounting frames; 445, the second fixed blade; 446, the first movable tool rest; 447, the first movable blade; 448, two second movable tool rests; 449, the second movable blade; 5, the support plate; 6, the charging interface; 7, the switch; 8, the clamping groove; 9, the clamping block; 10, the guide block; 11, the guide column; 12, the spring; 13, the clamping piece; 14, the buckle. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0047] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does 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 utility model.

[0048] In the description of the patent, it is necessary to explain that, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "arranging" should be understood broadly, for example, it can be fixedly connected, arranged, or detachably connected, arranged, or integrally connected, arranged. For ordinary skilled in the art, the specific meaning of the above terms in the patent can be understood according to the specific circumstances.

[0049] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "several" is two or more than two, unless otherwise expressly specified.

[0050] Embodiment 1

[0051] Please refer to Figures 1-9 As shown in the utility model provides a kind of electric shaver technical scheme: including shell 1, install in the lower end inside shell 1 for power supply battery pack 2 and install between battery pack 2 motor 3, battery pack 2 and motor 3 power supply are electrically connected, the upper end in the shell 1 is installed for shaving shaving mechanism 4, the output end of motor 3 is connected with the lower end of shaving mechanism 4 for driving shaving mechanism 4, the output end of motor 3 is connected with the lower end of main shaft 41, transmission gear a411 is fixedly installed in main shaft lower end, the lower end of two driven shafts 42 is rotatably installed on shell 1, two driven shafts 42 are fixedly installed with transmission gear b421 on the two sides of main shaft 41, transmission gear a411 and transmission gear b421 are engagedly connected, eccentric shaft 43 is welded in the cavity opened in the upper end of main shaft 41 and two driven shafts 42, cutter head assembly 44 is installed in the upper end of eccentric shaft 43;

[0052] Shell 1 includes lower mounting shell 101, connecting shell 102, upper mounting shell 103, lower mounting shell 101 is used for installing battery pack 2 and motor 3, connecting shell 102 is clamped on the upper end of lower mounting shell 101, the lower end of two driven shafts 42 is installed on connecting shell 102 by bearing, upper mounting shell 103 is installed on the upper end of connecting shell 102 by bolt.

[0053] Shell 1 further includes lower outer protective shell 104, upper inner protective shell 105 and upper outer protective shell 106, lower outer protective shell 104 is wrapped outside lower mounting shell 101 for protecting the internal structure of lower mounting shell 101 upper inner protective shell 105, upper inner protective shell 105 is installed on the upper end of upper mounting shell 103 for protecting cutter head assembly 44, upper outer protective shell 106 is installed on the outside of upper mounting shell 103 and upper inner protective shell 105 for protecting cutter head assembly 44.

[0054] The lower end of the lower mounting shell 101 is fixedly mounted with a support plate 5 for supporting the battery pack 2 and the motor 3, and a charging interface 6 is mounted on the lower end surface of the support plate 5. Openings matching the charging interface 6 are formed on the lower mounting shell 101 and the lower outer protective shell 104, and the battery pack 2 can be charged through the charging interface 6, thereby increasing the endurance of the shaver.

[0055] A switch 7 for controlling the power-on and power of the motor 3 is mounted on one side of the connecting shell 102, and an opening matching the switch 7 is formed on the upper mounting shell 103. The switch 7 can control the operation of the motor 3 and the power of the operation.

[0056] A plurality of clamping pieces 13 are integrally formed on both sides of the lower mounting shell 101, and a clamping buckle 14 matching the clamping pieces 13 is integrally formed on the lower end of the connecting shell 102. The lower mounting shell 101 and the connecting shell 102 are clamped through the clamping pieces 13 and the clamping buckle 14, facilitating assembly during production and disassembly during later maintenance.

[0057] Embodiment 2

[0058] Please refer to Figures 7-8 The utility model provides a technical scheme of an electric shaver: the cutter head assembly 44 comprises a bracket 441, an intermediate mounting frame 442, two side mounting frames 444, a first movable cutter holder 446 and two second movable cutter holders 448. The bracket 441 is mounted on the upper end of the upper mounting shell 103. The intermediate mounting frame 442 is mounted on the upper end surface of the bracket 441. The first fixed blade 443 is mounted on the intermediate mounting frame 442. The two side mounting frames 444 are mounted on the upper end of the bracket 441 on both sides of the intermediate mounting frame 442. The second fixed blade 445 is mounted on the two side mounting frames 444. The first movable cutter holder 446 is slidably connected to the intermediate mounting frame 442. The first movable blade 447 is mounted on the upper end of the first movable cutter holder 446. The two second movable cutter holders 448 are slidably connected to the two side mounting frames 444. The connecting grooves matching the eccentric shaft 43 are mounted on the lower end of the first movable cutter holder 446 and the lower end of the two second movable cutter holders 448. The second movable blade 449 is mounted on the upper end of the two second movable cutter holders 448.

[0059] The bracket 441, the intermediate mounting frame 442 and the two side mounting frames 444 are connected through the clamping assembly. The clamping assembly comprises a plurality of clamping grooves 8 and clamping blocks 9. The clamping grooves 8 are formed on both sides of the bracket 441. The clamping blocks 9 are mounted on both sides of the intermediate mounting frame 442 and the two side mounting frames 444 and match the clamping grooves 8. When the intermediate mounting frame 442 or the two side mounting frames 444 is disassembled, the clamping blocks 9 on both sides are only needed to be slightly pried, and then the intermediate mounting frame 442 or the two side mounting frames 444 can be disassembled.

[0060] The lower ends of the two sides of the first movable cutter holder 446 and the lower ends of the two sides of the two second movable cutter holders 448 are integrally formed with guide blocks 10, guide grooves matched with the guide blocks 10 are formed on the middle mounting frame 442 and the two side mounting frames 444, so that the first movable cutter holder 446 moves left and right in the middle mounting frame 442 and the two second movable cutter holders 448 move left and right in the two side mounting frames 444.

[0061] The bracket 441 is provided with a plurality of guide columns 11 for mounting and positioning the middle mounting frame 442 and the two side mounting frames 444, and springs 12 are arranged on the outer sides of the guide columns 11, so that the middle mounting frame 442 and the two side mounting frames 444 are conveniently mounted and dismounted through the guidance of the guide columns 11 and the elastic force of the springs 12.

[0062] The working principle of the utility model is as follows:

[0063] In use, the upper outer protective shell 106 is first removed, then the switch 7 is pressed down, the switch 7 controls the working of the motor 3 and the working power, the motor 3 is started to drive the main shaft 41 to rotate, the main shaft 41 rotates, the lower end transmission gear 411a drives the transmission gear b 421 to rotate, the two driven shafts 42 on the two sides rotate synchronously, the eccentric shafts 43 on the upper ends of the main shaft 41 and the two driven shafts 42 realize eccentric rotation, the first movable cutter holder 446 can only move left and right in the middle mounting frame 442, the two second movable cutter holders 448 can only move left and right in the two side mounting frames 444, the eccentric shafts 43 drive the first movable cutter holder 446 and the two second movable cutter holders 448 to quickly swing left and right, the shaving action is realized, when the main shaft 41 rotates clockwise, the two driven shafts 42 rotate counterclockwise, the movement directions of the first movable cutter holder 446 and the two second movable cutter holders 448 are opposite, the device can drive three cutter heads to work at the same time through one motor 3, the three cutter heads are driven through gear and eccentric design, the energy consumption is reduced, the power transmission is more stable, the comfort and efficiency of shaving are improved, the shaving noise is small, the middle cutter head and the two side cutter heads in the three cutter heads have opposite movement directions, different angle hairs can be effectively shaved, and the shaving effect is improved.

[0064] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electric shaver, comprising a housing (1), a battery pack (2) disposed inside the lower end of the housing (1) for power supply, and a motor (3) disposed between the battery pack (2), characterized in that: The upper end of the housing (1) is provided with a shaving mechanism (4) for shaving. The output end of the motor (3) is connected to the lower end of the shaving mechanism (4) to drive the shaving mechanism (4). The shaving mechanism (4) includes: Main shaft (41), the output end of the motor (3) is connected to the lower end of the main shaft (41), and a transmission gear a (411) is provided at the lower end of the main shaft. Two driven shafts (42) are provided, with their lower ends movably mounted on the housing (1). The two driven shafts (42) are symmetrically distributed on both sides of the main shaft (41) and are provided with transmission gears b (421). The transmission gears a (411) and b (421) are meshed together. Several eccentric shafts (43) are arranged in cavities opened at the upper ends of the main shaft (41) and two driven shafts (42); A cutter head assembly (44) is disposed at the upper end of an eccentric shaft (43).

2. The electric shaver according to claim 1, characterized in that: The cutter head assembly (44) includes: A bracket (441) is disposed at the upper end of the housing (1); An intermediate mounting bracket (442) is provided on the upper surface of the bracket (441), and a first fixing blade (443) is provided on the intermediate mounting bracket (442). Two side mounting brackets (444) are provided on the upper end of the bracket (441) on both sides of the middle mounting bracket (442), and two side mounting brackets (444) are provided with second fixing blades (445). The first movable tool holder (446) is movably mounted on the intermediate mounting bracket (442), and the upper end of the first movable tool holder (446) is provided with a first movable blade (447). Two second movable tool holders (448) are movably mounted on two side mounting brackets (444). The lower ends of the first movable tool holder (446) and the lower ends of the two second movable tool holders (448) are provided with connecting grooves matching the eccentric shaft (43). The upper ends of the two second movable tool holders (448) are provided with second movable blades (449).

3. An electric shaver according to claim 2, characterized in that: The housing (1) includes: The lower mounting housing (101) is used to mount the battery pack (2) and the motor (3). A connecting shell (102) is disposed at the upper end of the lower mounting shell (101), and the lower ends of the two driven shafts (42) are movably disposed on the connecting shell (102); The upper mounting shell (103) is disposed at the upper end of the connecting shell (102), and the bracket (441) is disposed at the upper end of the upper mounting shell (103).

4. An electric shaver according to claim 3, characterized in that: The housing (1) also includes: The lower outer protective shell (104) is disposed outside the lower mounting shell (101) to protect the internal structure of the lower mounting shell (101); Upper inner protective shell (105) is disposed at the upper end of the upper mounting shell (103) to protect the cutter head assembly (44). The upper outer protective shell (106) is disposed outside the upper mounting shell (103) and the upper inner protective shell (105) to protect the cutter head assembly (44).

5. An electric shaver according to claim 4, characterized in that: The lower end of the lower mounting shell (101) is provided with a support plate (5) for supporting the battery pack (2) and the motor (3). A charging interface (6) is provided on the lower end surface of the support plate (5). Openings matching the charging interface (6) are provided on both the lower mounting shell (101) and the lower outer protective shell (104).

6. An electric shaver according to claim 4, characterized in that: A switch (7) for controlling the power supply and power of the motor (3) is provided on one side of the connecting shell (102), and an opening matching the switch (7) is provided on the upper mounting shell (103).

7. An electric shaver according to claim 2, characterized in that: The bracket (441) and the intermediate mounting bracket (442) are all connected to the two side mounting brackets (444) via engaging assemblies, the engaging assemblies comprising: Several slots (8) are provided on both sides of the bracket (441); The card block (9) is disposed on both sides of the middle mounting bracket (442) and the two side mounting brackets (444) and matches the card slot (8).

8. An electric shaver according to claim 2, characterized in that: Guide blocks (10) are provided at the lower ends of both sides of the first movable tool holder (446) and the lower ends of both sides of the two second movable tool holders (448). Guide grooves matching the guide blocks (10) are provided on the middle mounting bracket (442) and the two side mounting brackets (444).

9. An electric shaver according to claim 2, characterized in that: The bracket (441) is provided with a number of guide posts (11) for mounting and positioning the intermediate mounting bracket (442) and the two side mounting brackets (444), and springs (12) are provided on the outer side of the guide posts (11).

10. An electric shaver according to claim 3, characterized in that: The lower mounting shell (101) has several clips (13) on both sides, and the lower end of the connecting shell (102) has a buckle (14) that matches the clips (13).

Images