An electric hair clipper

Abstract

The utility model discloses an electric hair clipper, comprising a housing, a cutter head assembly, a motor assembly and a rechargeable battery module, wherein the motor assembly and the rechargeable battery module are arranged in the housing, the motor assembly is connected to the cutter head assembly, the rechargeable battery module comprises a PCB assembly and a rechargeable battery assembly, the PCB assembly is fixed in the housing, and the rechargeable battery assembly can be detachably installed in the housing; one of the PCB assembly and the rechargeable battery assembly is provided with a conductive contact, and the other is provided with a conductive spring, and the conductive contact abuts against the conductive spring. The rechargeable battery assembly of the electric hair clipper in the utility model can be removed from the housing and charged separately, and is convenient and quick to use, and can be replaced and used immediately.

Description

Technical Field

[0001] The utility model relates to the technical field of electric hair clippers, in particular to an electric hair clipper. Background Art

[0002] Electric hair clippers are a kind of commonly used electric haircutting and hairdressing tools. They are generally composed of fixed push teeth, movable push teeth, an adjustment handle, a housing and electrical components installed in the housing. The working principle is that the motor in the housing drives the output swing rod in the housing to swing back and forth, so that the output swing rod drives the movable push teeth to move back and forth, and the movable push teeth and the fixed push teeth are offset and sheared, and the hair extending between the fixed push teeth and the movable push teeth can be cut.

[0003] Existing electric hair clippers are generally divided into plug-in type and rechargeable type. Rechargeable electric hair clippers are easy to carry, so users prefer rechargeable electric hair clippers. However, since the battery of the rechargeable electric hair clippers in the prior art is integrated with the body and cannot be replaced, the battery may run out and need to be recharged during use, affecting the user experience. Utility Model Content

[0004] The utility model aims to provide an electric hair clipper, wherein the rechargeable battery assembly is detachable, thereby getting rid of the constraint of a single battery, and the electric hair clipper can be equipped with a plurality of rechargeable battery assemblies, thus solving the problem of the product running out of power.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] An electric hair clipper comprises a housing, a cutter head assembly, a motor assembly and a rechargeable battery module, wherein the motor assembly and the rechargeable battery module are arranged in the housing, the motor assembly is connected to the cutter head assembly, the rechargeable battery module comprises a PCB assembly and a rechargeable battery assembly, the PCB assembly is fixed in the housing, and the rechargeable battery assembly is detachably installed in the housing;

[0007] One of the PCB assembly and the rechargeable battery assembly is provided with a conductive contact, and the other is provided with a conductive spring sheet, and the conductive contact abuts against the conductive spring sheet.

[0008] Preferably, the shell comprises a shell body and a tail cover, a mounting opening is provided in the middle of the tail cover, and the rechargeable battery assembly is inserted into the shell body through the mounting opening.

[0009] Preferably, an internal upper body cover and an internal lower body cover are arranged between the shell body and the rechargeable battery assembly, and the PCB assembly includes a positioning ring, one end of the internal upper body cover and the internal lower body cover are clamped and fixed to the positioning ring, and the other end is clamped and fixed to the tail cover.

[0010] Preferably, a limiting component is provided on the upper cover of the internal body or the lower cover of the internal body, the limiting component includes a spring and a lock key, a through hole is provided on the shell body, a boss is provided at one end of the outer side surface of the lock key, and a positioning cavity is provided on the inner side surface of the lock key corresponding to the position of the boss, one end of the spring extends into the positioning cavity, and the other end abuts against the outer side surface of the rechargeable battery assembly to push the boss out of the through hole, a block is convexly provided on the side of the inner side surface of the lock key away from the positioning cavity, and a slot is provided on the outer side surface of the rechargeable battery assembly, the block is stuck in the slot, thereby limiting the rechargeable battery assembly in the shell, or the boss is pressed to make the block disengage from the slot to contact the position of the rechargeable battery assembly.

[0011] Preferably, one of the internal body upper cover and the internal body lower cover is provided with a receiving groove, the lock key is arranged in the receiving groove, positioning grooves are arranged on both sides of the middle part of the receiving groove, and pin shafts are arranged on both sides of the middle part of the lock key to extend into the positioning groove to prevent the lock key from escaping from the receiving groove inward, and the lock key can rotate around the pin shaft in the receiving groove.

[0012] Preferably, limiting grooves are provided on both sides of the accommodating groove, and the limiting assembly also includes a fixing plate, which is located on the outside of the lock key, and limiting blocks are provided on both sides of the fixing plate, which are inserted into the limiting grooves to prevent the lock key from escaping from the accommodating groove.

[0013] Preferably, one of the internal body upper cover and the internal body lower cover that is not provided with a accommodating groove is provided with a spring buckle, and the outer side surface of the rechargeable battery assembly is provided with a latch tooth, and the spring buckle cooperates with the latch tooth to prevent the rechargeable battery assembly from detaching from the installation port.

[0014] Preferably, a finger groove is provided at the edge of the installation opening at the outer end of the tail cover.

[0015] Preferably, a key rubber is provided on the internal body upper cover or the internal body lower cover, a key slot is provided on the shell, a switch button protruding from the key slot is connected to the outer side of the key rubber, and the inner side of the key rubber abuts against the PCB assembly.

[0016] Preferably, an annular mounting groove is provided on the inner front sides of the matched internal body upper cover and the internal body lower cover, and the positioning ring is clamped in the mounting groove.

[0017] Compared with the prior art, the advantages of the utility model are:

[0018] The rechargeable battery assembly can be removed from the casing and charged separately, which is convenient and quick to use and can be used immediately after replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 The structure of the electric hair clipper in the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the installation of a rechargeable battery assembly in an electric hair clipper in the utility model;

[0022] Figure 3 The explosion diagram of the electric hair clipper in the utility model is shown in FIG. Figure 1 ;

[0023] Figure 4 The explosion diagram of the electric hair clipper in the utility model is shown in FIG. Figure 2 ;

[0024] Figure 5 The explosion diagram of the electric hair clipper in the utility model is shown in FIG. Figure 3 ;

[0025] Figure 6 This is a schematic diagram of the installation of the rechargeable battery assembly and the PCB assembly in the utility model;

[0026] Figure 7 The structure of the electric hair clipper in the utility model is shown in FIG. Figure 2 .

[0027] In the figure: 1, shell; 11, shell body; 111, through hole; 112, key slot; 12, tail cover; 121, installation port; 122, finger slot; 123, groove; 2, cutter head assembly; 21, cutter holder spring; 3, motor assembly; 41, PCB assembly; 411, conductive spring; 412, positioning ring; 42, rechargeable battery assembly; 421, conductive contact; 422, slot; 423, tooth ; 51, internal body upper cover; 511, spring buckle; 512, buckle; 52, internal body lower cover; 521, receiving groove; 522, positioning groove; 523, limiting groove; 524, annular mounting groove; 61, spring; 62, lock key; 621, boss; 622, positioning cavity; 623, block; 624, pin shaft; 63, fixing plate; 631, limiting block; 7, button rubber; 71, switch button. DETAILED DESCRIPTION

[0028] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0029] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0030] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Embodiment 1,

[0034] An electric hair clipper, combined Figure 1-7 As shown, it includes a housing 1, a cutter head assembly 2, a motor assembly 3 and a rechargeable battery module, wherein the motor assembly 3 and the rechargeable battery module are arranged in the housing 1. The motor assembly 3 is connected to the cutter head assembly 2 to provide power for the cutter head assembly 2, and the rechargeable battery module is connected to the motor assembly 3 to provide energy for the motor assembly 3.

[0035] The housing 1 includes a housing body 11 and a tail cover 12. The motor assembly 3 is inserted from the front end of the housing body 11, the tool holder spring piece 21 is installed, and then the motor assembly 3 and the tool holder spring piece 21 are fixed with screws, and finally the tool head assembly 2 is installed.

[0036] The rechargeable battery module includes a PCB assembly 41 and a rechargeable battery assembly 42. The PCB assembly 41 is fixed in the housing 1, and the rechargeable battery assembly 42 is detachably installed in the housing 1. An internal upper cover 51 and an internal lower cover 52 are arranged between the housing body 11 and the rechargeable battery assembly 42. An annular mounting groove 524 is arranged on the inner front side of the internal upper cover 51 and the internal lower cover 52. The PCB assembly 41 includes a positioning ring 412, which is stuck in the mounting groove.

[0037] The rear ends of the matched internal body upper cover 51 and the internal body lower cover 52 are provided with a buckle 512 structure, and a groove 123 is provided on the outer circumferential surface of the tail cover 12, and the buckle 512 is fixedly engaged with the groove 123. A mounting opening 121 is provided in the middle of the tail cover 12, and the rechargeable battery assembly 42 is inserted into the shell body 11 through the mounting opening 121.

[0038] One of the PCB assembly 41 and the rechargeable battery assembly 42 is provided with a conductive contact 421 , and the other is provided with a conductive spring 411 , and the conductive contact 421 abuts against the conductive spring 411 .

[0039] A limit assembly is provided on the internal body upper cover 51 or the internal body lower cover 52, and the limit assembly includes a spring 61 and a lock key 62. A through hole 111 is provided on the shell body 11, and a boss 621 is provided at one end of the outer side surface of the lock key 62, and a positioning cavity 622 is provided on the inner side surface of the lock key 62 corresponding to the position of the boss 621. One end of the spring 61 extends into the positioning cavity 622, and the other end abuts against the outer side surface of the rechargeable battery assembly 42 to push the boss 621 out of the through hole 111. A block 623 is convexly provided on the side of the inner side surface of the lock key 62 away from the positioning cavity 622, and a slot 422 is provided on the outer side surface of the rechargeable battery assembly 42. The block 623 is stuck in the slot 422, thereby limiting the rechargeable battery assembly 42 in the shell body 1, or the boss 621 is pressed to make the block 623 disengage from the slot 422 to contact the position of the rechargeable battery assembly 42.

[0040] One of the internal body upper cover 51 and the internal body lower cover 52 is provided with a receiving groove 521, and the lock key 62 is arranged in the receiving groove 521. Positioning grooves 522 are arranged on both sides of the middle of the receiving groove 521, and pin shafts 624 are arranged on both sides of the middle of the lock key 62 to extend into the positioning groove 522 to prevent the lock key 62 from escaping from the receiving groove 521 inwardly. The lock key 62 can rotate around the pin shaft 624 in the receiving groove 521.

[0041] Limiting grooves 523 are also set on both sides of the accommodating groove 521. The limiting assembly also includes a fixing plate 63, which is located on the outer side of the lock key 62. Limiting blocks 631 are set on both sides of the fixing plate 63. The limiting blocks 631 are inserted into the limiting grooves 523 to prevent the lock key 62 from escaping from the accommodating groove 521.

[0042] One of the internal body upper cover 51 and the internal body lower cover 52 that is not provided with a receiving groove 521 is provided with a spring buckle 511, and the outer side surface of the rechargeable battery assembly 42 is provided with a latch tooth 423. The spring buckle 511 cooperates with the latch tooth 423 to prevent the rechargeable battery from detaching from the installation port 121.

[0043] A key rubber 7 is provided on the internal body upper cover 51 or the internal body lower cover 52 , a key slot 112 is provided on the shell 1 , a switch key 71 protruding from the key slot 112 is connected to the outer side of the key rubber 7 , and the inner side of the key rubber 7 abuts against the PCB assembly 41 .

[0044] Working principle: The PCB assembly 41 is welded to the PCBA board by the conductive spring 411, and then fixed to the positioning ring 412 by screws to form a whole PCB assembly 41. The matched internal body upper cover 51 and the internal body lower cover 52 are fixed by screws, and the front end of the tail cover 12 is stuck in the matched internal body upper cover 51 and the internal body lower cover 52.

[0045] The spring 61 and the lock key 62 are placed in the receiving groove 521 of the inner body lower cover 52, and are fixed to the inner body lower cover 52 through the lock key 62 fixing plate 63 to form an integral inner body assembly, which is placed into the inner cavity of the shell body 11 (which is all metal) from the rear end, and then fixed in the body by screws, and then the motor assembly 3 is inserted into the shell body 11 from the front end, and the knife holder spring 21 is installed, and finally the knife head assembly 216 is installed. The switch button 71 is fixed to the button rubber 7 by glue or other adhesive means, and the entire body forms a whole.

[0046] The gear position on the outer surface of the rechargeable battery assembly 42 cooperates with the spring buckle 511 on the internal body upper cover 51 to play a positioning role. When the rechargeable battery assembly 42 is taken out, it will not fall off directly, but will be hung on the spring buckle 511 and then taken out by hand. This function can protect the rechargeable battery assembly 42 from falling to the ground and being damaged.

[0047] When in use, the rechargeable battery assembly 42 is inserted into the shell body 11, and the conductive contacts 421 on the rechargeable battery assembly 42 are in contact with the conductive springs 411 on the PCB assembly 41, and the body can work normally. When the battery is out of power, the rechargeable battery assembly 42 is taken out and charged independently using the TYPE C interface, and a fully charged rechargeable battery assembly 42 is replaced and placed in the shell body 11, and can be reused. The outer end of the tail cover 12 is provided with a finger groove 122 at the edge of the installation port 121, so that when the rechargeable battery assembly 42 is stuck and cannot be ejected, the finger can be placed in the finger groove 122 to pull the battery out.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An electric hair clipper, comprising a housing (1), a cutter head assembly (2), a motor assembly (3) and a rechargeable battery module, wherein the motor assembly (3) and the rechargeable battery module are arranged in the housing (1), and the motor assembly (3) is connected to the cutter head assembly (2), characterized in that: The rechargeable battery module comprises a PCB assembly (41) and a rechargeable battery assembly (42), wherein the PCB assembly (41) is fixed in the housing (1), and the rechargeable battery assembly (42) is detachably mounted in the housing (1); One of the PCB component (41) and the rechargeable battery component (42) is provided with a conductive contact (421), and the other is provided with a conductive spring sheet (411), and the conductive contact (421) abuts against the conductive spring sheet (411).

2. An electric hair clipper according to claim 1, characterized in that: The housing (1) comprises a housing body (11) and a tail cover (12); a mounting opening (121) is provided in the middle of the tail cover (12); and the rechargeable battery assembly (42) is inserted into the housing body (11) through the mounting opening (121).

3. An electric hair clipper according to claim 2, characterized in that: An internal upper body cover (51) and an internal lower body cover (52) are arranged between the shell body (11) and the rechargeable battery assembly (42); the PCB assembly (41) comprises a positioning ring (412); one end of the internal upper body cover (51) and the internal lower body cover (52) are fixedly connected to the positioning ring (412) and the other end is fixedly connected to the tail cover (12).

4. The electric hair clipper according to claim 3, characterized in that: A limit assembly is provided on the upper cover (51) or the lower cover (52) of the internal body, and the limit assembly includes a spring (61) and a lock key (62). A through hole (111) is provided on the shell body (11). A boss (621) is provided at one end of the outer side surface of the lock key (62). A positioning cavity (622) is provided at a position corresponding to the boss (621) on the inner side surface of the lock key (62). One end of the spring (61) extends into the positioning cavity (622), and the other end abuts against the outer side surface of the rechargeable battery assembly (42), pushing The boss (621) is moved to extend out of the through hole (111); a block (623) is protruded from the inner side surface of the lock key (62) away from the positioning cavity (622); a slot (422) is provided on the outer side surface of the rechargeable battery assembly (42); the block (623) is stuck in the slot (422), thereby restricting the rechargeable battery assembly (42) in the housing (1); or the boss (621) is pressed to allow the block (623) to be separated from the slot (422) and to contact the position of the rechargeable battery assembly (42).

5. The electric hair clipper according to claim 4, characterized in that: One of the internal body upper cover (51) and the internal body lower cover (52) is provided with a receiving groove (521), the locking key (62) is arranged in the receiving groove (521), positioning grooves (522) are arranged on both sides of the middle part of the receiving groove (521), and pin shafts (624) are arranged on both sides of the middle part of the locking key (62) and extend into the positioning groove (522) to prevent the locking key (62) from disengaging from the receiving groove (521) inwardly, and the locking key (62) can rotate around the pin shaft (624) in the receiving groove (521).

6. The electric hair clipper according to claim 5, characterized in that: Limiting grooves (523) are also arranged on both sides of the receiving groove (521), and the limiting assembly also includes a fixing plate (63), the fixing plate (63) is located on the outer side of the lock key (62), and limiting blocks (631) are arranged on both sides of the fixing plate (63), and the limiting blocks (631) are inserted into the limiting grooves (523) to prevent the lock key (62) from escaping from the receiving groove (521) outward.

7. The electric hair clipper according to claim 3, characterized in that: One of the internal body upper cover (51) and the internal body lower cover (52) that is not provided with a receiving groove (521) is provided with a spring buckle (511), and the outer side surface of the rechargeable battery assembly (42) is provided with a latch tooth (423), and the spring buckle (511) cooperates with the latch tooth (423) to prevent the rechargeable battery assembly (42) from detaching from the installation port (121).

8. The electric hair clipper according to claim 2, characterized in that: The outer end of the tail cover (12) is provided with a finger groove (122) at the edge of the installation opening (121).

9. The electric hair clipper according to claim 3, characterized in that: A key rubber (7) is provided on the internal body upper cover (51) or the internal body lower cover (52), a key slot (112) is provided on the housing (1), a switch key (71) protruding from the key slot (112) is connected to the outer side of the key rubber (7), and the inner side of the key rubber (7) abuts against the PCB assembly (41).

10. The electric hair clipper according to claim 3, characterized in that: An annular mounting groove (524) is provided on the inner front sides of the matched internal body upper cover (51) and the internal body lower cover (52), and the positioning ring (412) is clamped in the mounting groove.

Images