CN213412062U

CN213412062U - Electric hair clipper heat dissipation mechanism

Info

Publication number: CN213412062U
Application number: CN202021853953.XU
Authority: CN
Inventors: 范立峰
Original assignee: Ningbo Chuangxiang Electric Appliance Co ltd
Current assignee: Ningbo Chuangxiang Electric Appliance Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-11
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a heat dissipation mechanism of an electric hair cutter, which comprises an electric hair cutter shell, a cutter head component arranged at one end of the electric hair cutter shell, and a driving motor arranged in the electric hair cutter shell, connected with the cutter head component and driving the cutter head component to run; a heat dissipation air channel is formed in the electric hair clipper shell, and a heat dissipation mechanism which discharges heat generated by the cutter head assembly out of the electric hair clipper shell is installed. The utility model discloses a set up heat dissipation mechanism in the electric clipper casing, with the tool bit subassembly because the heat that the friction produced by the heat dissipation wind channel is discharged the electric clipper casing is outside, avoids the tool bit subassembly to scald the scalp, the problem of unable long-time work because the high temperature.

Description

Electric hair clipper heat dissipation mechanism

Technical Field

The utility model belongs to the technical field of the electric clipper, specifically, relate to an electric clipper heat dissipation mechanism.

Background

The electric hair clipper is a hair dressing and hairdressing tool, and realizes the clipping function through the reciprocating motion of a cutter head. When the electric hair clipper is used for hair cutting, the movable blade at the head of the cutter head drives the eccentric wheel to transmit through the motor, so that the movable blade can do reciprocating motion left and right regularly, the movable blade is attached to the static blade to generate heat through friction during motion, the temperature of the static blade is slowly increased in the using process, the scalp can be scalded when the static blade touches the scalp when the static blade reaches a certain temperature, the using effect of the electric hair clipper can be poor, and the electric hair clipper can not work for a long time due to the fact that the cutter head is used for hair.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the technical problem that a heat dissipation mechanism is cut to electric hair clipper is provided, through set up heat dissipation power device in the electric hair clipper casing, with the tool bit subassembly because the heat that the friction produced by the heat dissipation wind channel piece is arranged the electric hair clipper casing is outside, avoids the tool bit subassembly to scald the scalp, the problem of unable long-time work because the high temperature.

(II) technical scheme

The utility model adopts the scheme for solving the technical problems that the heat dissipation mechanism of the electric hair clipper is a heat dissipation mechanism of the electric hair clipper,

the electric hair clipper comprises an electric hair clipper shell, a cutter head assembly and a driving motor, wherein the cutter head assembly is arranged at one end of the electric hair clipper shell, and the driving motor is arranged in the electric hair clipper shell, is connected with the cutter head assembly and drives the cutter head assembly to run;

a heat dissipation air channel is formed in the electric hair clipper shell, and a heat dissipation power device which discharges heat generated by the cutter head assembly out of the electric hair clipper shell is installed.

Preferably, the driving motor is connected with a PCB assembly providing power input.

By adopting the scheme, the heat dissipation power device is arranged in the electric hair cutter shell, the heat generated by the head assembly due to friction is discharged from the heat dissipation air channel outside the electric hair cutter shell, and the problem that the head assembly cannot work for a long time due to the fact that the head assembly is scalded due to overhigh temperature is avoided.

Further, the heat dissipation power device comprises a fan and a motor which is connected with the fan and drives the fan to rotate.

By adopting the scheme, when the electric hair clipper works, the motor drives the fan to rotate, a certain air quantity is generated, the heat of the cutter head assembly is dissipated, the heat of the cutter head assembly is reduced, and meanwhile, the heat generated when the driving motor works can be taken away, so that the service life of the electric hair clipper is prolonged.

Further, a heat sink is included;

one end of the radiating fin is connected with the cutter head component;

the heat dissipation power device comprises a fan used for discharging heat of the heat dissipation fins out of the electric hair clipper shell, and the fan is connected with a motor used for providing power.

Preferably, the friction between the movable blade and the fixed blade generates large heat, and the heat is mainly concentrated on the blade head of the fixed blade, and the cooling fins are jointed with the fixed blade in the blade head assembly.

By adopting the scheme, the radiating fins are used for absorbing heat on the static blades in the cutter head assembly, then the fan is driven to rotate at a high speed through the operation of the motor, air around the fan blades is driven to flow, so that gas pressure is generated around the fan blades to enable the heat of the radiating fins to be discharged through the air channels inside the radiating fins, and then the heat is discharged outside the electric hair clipper through the air channels around the motor, so that the temperature in the shell of the electric hair clipper is reduced, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in a long-time use state.

Further, the heat sink includes a beveled end proximate the cutting-head assembly; the tool bit component is provided with a radiating fin mounting part matched with the inclined plane end of the radiating fin.

Specifically, the inclination of the inclined plane end is consistent with the installation inclination of the movable blade and the fixed blade.

Specifically, the heat sink mounting portion may be a clamping groove or a protruding clamping member.

By adopting the scheme, the radiating fin mounting part is matched with the inclined plane end, so that the radiating fin is connected with the tool bit assembly, and the heat is better radiated.

Further, a heat sink is included;

the heat dissipation air duct comprises a first heat dissipation cavity and a second heat dissipation cavity communicated with the first heat dissipation cavity; the heat radiating fins are arranged in the first heat radiating cavity and extend along the length of the first heat radiating cavity;

a partition plate is arranged between the first heat dissipation cavity and the second heat dissipation cavity, and a through hole for communicating the first heat dissipation cavity with the second heat dissipation cavity is formed in the partition plate;

the heat dissipation power device is arranged in the second heat dissipation cavity. Further, a refrigerating piece used for absorbing heat generated by the blade assembly is mounted on the cutter head assembly.

Preferably, one end of the cooling fin is connected with the cutter head component, and the other end of the cooling fin extends to the through hole.

Preferably, the refrigeration member may be a metal material, such as copper, aluminum, or the like.

Preferably, the refrigerating member is made of a semiconductor material, such as: silicon, germanium, gallium arsenide, and the like, a semiconductor is used, and a heat conducting fin is provided between the semiconductor and a heat sink.

Preferably, the electric hair clipper shell comprises an upper shell and a lower shell which is matched and connected with the upper shell; the lower shell is provided with an inner shell connected with the lower shell, and the partition plate is positioned at the tail of the inner shell and connected with the lower shell; a working assembly accommodating cavity is formed among the upper shell, the inner shell and the partition plate; the first heat dissipation cavity is formed among the inner shell, the lower shell and the partition plate; and the second heat dissipation cavity is formed on the other side of the partition plate, between the upper shell, the lower shell and the partition plate.

By adopting the scheme, the radiating fins are used for absorbing heat on the static blades in the cutter head assembly, then the motor is operated to drive the fan to rotate at a high speed, and air around the fan blades is driven to flow, so that gas pressure is generated around the fan blades to discharge the heat of the radiating fins through the air channels inside the radiating fins, and then the heat is discharged to the outside of the electric hair clipper through the air channels around the motor, so that the temperature in the shell of the electric hair clipper is reduced, and the static cutter of the electric hair clipper can achieve the effect of not scalding the scalp in a long-time use state; the heat dissipation air channel is arranged, so that heat generated by the cutter head assembly can be discharged from the electric hair clipper shell, and the heat in the electric hair clipper shell is reduced, and the temperature of the cutter head assembly is reduced.

Furthermore, one end of the refrigerating piece, which is far away from the cutter head component, is connected with a heat radiating fin for heat conduction; the heat dissipation power device comprises a fan used for discharging heat generated by the heat dissipation fins out of the electric hair clipper shell, and the fan is connected with a motor used for providing power.

By adopting the scheme, the heat absorbed by the refrigerating piece from the cutter head component is transferred to the radiating fins, then the motor is operated to drive the fan to rotate at a high speed, and air around the fan blades is driven to flow, so that gas pressure is generated around the fan blades to discharge the heat of the radiating fins through the air channels inside the radiating fins, and then the heat is discharged to the outside of the electric hair clipper through the air channels around the motor, so that the temperature in the shell of the electric hair clipper is reduced, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in a long-time use state; if the refrigeration piece adopts a semiconductor, the refrigeration effect of the semiconductor can be effectively exerted after the heat of the semiconductor is effectively discharged through the radiating fins, so that the refrigeration effect is achieved, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in a long-time use state.

Further, the tool bit subassembly sets up and is used for the installation the recess of refrigeration piece, refrigeration piece with set up the conducting strip between the fin, the conducting strip is close to the one end of fin sets up two holding pieces, two the holding piece forms and is used for the block chamber of fin.

Specifically, the clamping cavity is formed by two clamping pieces and a surface of the heat conducting piece between the two clamping pieces, the surface of the heat conducting piece is an inclined surface, one end surface of the radiating fin, which is in contact with the heat conducting piece, is also an inclined surface, and the inclined surface of the heat conducting piece is matched with the inclined surface of the radiating fin.

By adopting the scheme, the arrangement of the clamping cavity is used for ensuring that the radiating fins are fixed on the heat conducting fins, and the radiating effect of the radiating fins is enhanced.

Furthermore, the heat dissipation power device is arranged at one end, far away from the cutter head assembly, of the electric hair clipper shell.

Specifically, in the electric hair clipper shell, the heat dissipation air duct is formed between the cutter head assembly and the heat dissipation power device.

Furthermore, the other end of the electric hair clipper shell opposite to the cutter head component is provided with a heat dissipation hole communicated with the heat dissipation air channel.

Preferably, an opening is arranged at the tail part of the electric hair clipper shell to form the heat dissipation hole.

By adopting the scheme, the heat dissipation holes are used for discharging heat in the electric hair clipper shell.

(III) advantageous effects

(1) The heat dissipation power device is arranged in the electric hair clipper shell, so that heat generated by the cutter head assembly due to friction is discharged from the heat dissipation air channel to the outside of the electric hair clipper shell, and the problem that the cutter head assembly cannot work for a long time due to the fact that the cutter head assembly is scalded to a scalp due to overhigh temperature is avoided;

(2) the arrangement of the radiating fins can absorb heat on the static blade in the cutter head assembly, then the motor operates to drive the fan to rotate at a high speed, and air around the fan blade is driven to flow, so that gas pressure is generated around the fan blade to discharge the heat of the radiating fins through an air channel inside the radiating fins, and then the heat is discharged outside the electric hair clipper through the air channels around the motor, so that the temperature in the shell of the electric hair clipper is reduced, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in a long-time use state;

(3) through set up the heat dissipation wind channel in the electric clipper casing, discharge the heat that produces the tool bit subassembly in the electric clipper casing, reduce the heat in the electric clipper casing to reduce the temperature of tool bit subassembly.

Drawings

FIG. 1 is a schematic view of a heat dissipation mechanism of an electric clipper of the present invention;

FIG. 2 is an exploded view of the housing of the electric clipper of the present invention;

fig. 3 is a schematic view of the lower case of the present invention;

FIG. 4 is a schematic view of the heat dissipation mechanism of the electric hair clipper of the present invention (embodying heat dissipation holes);

FIG. 5 is a cross-sectional view taken at A-A of FIG. 1 (embodiment one);

FIG. 6 is a cross-sectional view taken at A-A in FIG. 1 (example II);

FIG. 7 is a schematic view of a cutter head assembly according to a second embodiment;

FIG. 8 is a schematic view of a heat sink according to a second embodiment;

FIG. 9 is a sectional view taken along line A-A in FIG. 1 (example III);

FIG. 10 is a schematic view of a cutter head assembly according to a third embodiment;

fig. 11 is a schematic view of a heat conductive sheet according to a third embodiment.

In the figure, the part names corresponding to the respective reference numerals are: 1. an electric clipper housing; 11. an upper housing; 12. a lower housing; 13. an inner housing; 2. a cutter head assembly; 21. a movable blade; 22. a stationary blade; 23. a heat sink mounting portion; 24. a groove; 3. a drive motor; 4. a heat dissipation air duct; 41. a first heat dissipation cavity; 42. a second heat dissipation cavity; 43. a partition plate; 5. a heat dissipation power device; 51. a fan; 52. a motor; 6. a heat sink; 61. a beveled end; 7. a refrigeration member; 8. a PCB assembly; 9. heat dissipation holes; 10. a heat conductive sheet; 101. and a clamping piece.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-5, the heat dissipation mechanism of the electric hair clipper of the present embodiment includes an electric hair clipper housing 1, a cutter head assembly 2 installed at one end of the electric hair clipper housing 1, and a driving motor 3 installed in the electric hair clipper housing 1 and connected to the cutter head assembly 2 and driving the cutter head assembly 2 to operate. The cutter head assembly 2 comprises a movable blade 21 and a fixed blade 22, and the driving motor 3 is connected with a PCB assembly 8 for providing power input. The electric hair clipper is characterized in that a heat dissipation air duct 4 is formed in the electric hair clipper shell 1, heat generated by the cutter head assembly 2 is discharged from the heat dissipation air duct 4 through the installation, and a heat dissipation power device 5 outside the electric hair clipper shell 1 is arranged at one end, far away from the cutter head assembly 2, of the electric hair clipper shell 1. Specifically, in the electric hair clipper shell 1, the heat dissipation air duct 4 is formed between the cutter head assembly 2 and the heat dissipation power device 5. Through set up heat dissipation power device 5 in the electric clipper casing 1, with tool bit subassembly 2 because the heat that the friction produced by heat dissipation wind channel 4 discharges the problem of tool bit subassembly 2 because the scalp is scalded, unable long-time work to the high temperature is avoided to the outside of electric clipper casing 1.

As shown in fig. 5, the heat dissipation power device 5 includes a fan 51 and a motor 52 connected to the fan 51 and driving the fan 51 to rotate, when the electric hair clipper works, the motor 52 drives the fan 51 to rotate to generate a certain amount of air, so as to dissipate heat of the cutter head assembly 2, reduce heat of the cutter head assembly 2, and simultaneously, take away heat generated by the driving motor 3 during the work, thereby prolonging the service life of the electric hair clipper.

As shown in fig. 3-5, the heat dissipation air duct 4 includes a first heat dissipation cavity 41, and a second heat dissipation cavity 42 communicated with the first heat dissipation cavity 41; a partition plate 43 is arranged between the first heat dissipation cavity 41 and the second heat dissipation cavity 42, and a through hole for communicating the first heat dissipation cavity 41 with the second heat dissipation cavity 42 is arranged on the partition plate 43; the heat dissipation power device 5 is disposed in the second heat dissipation cavity 42. Through set up heat dissipation wind channel 4 in electric clipper casing 1, discharge the heat that produces tool bit assembly 2 in from electric clipper casing 1, reduce the heat in electric clipper casing 1 to reduce tool bit assembly 2's temperature. Meanwhile, the other end of the electric hair clipper shell, which is opposite to the cutter head component 2, is provided with a heat dissipation hole 9 communicated with the heat dissipation air duct 4.

As shown in fig. 2 to 3, the electric hair clipper housing 1 includes an upper housing 11, and a lower housing 12 coupled to the upper housing 11; the lower shell 12 is provided with an inner shell 13 connected with the lower shell 12, and the partition plate 43 is positioned at the tail part of the inner shell 13 and connected with the lower shell 12; a working component accommodating cavity is formed among the upper shell 11, the inner shell 13 and the partition plate 43 at one side where the partition plate 43 is connected with the inner shell 13; the first heat dissipation cavity 41 is formed among the inner shell 13, the lower shell 12 and the partition 43; on the other side of the partition 13, the second heat dissipation cavity 42 is formed between the upper housing 11, the lower housing 12 and the partition 43.

Example two:

as shown in fig. 6 to 8, the present embodiment is different from the first embodiment in that a heat sink 6 for conducting heat is connected to the blade assembly 2, the heat sink 6 is disposed in the first heat dissipation cavity 41 and extends along the length of the first heat dissipation cavity 41, one end of the heat sink 6 is connected to the blade assembly 2, and the other end extends to the through hole. Wherein, the one end setting that tool bit subassembly 2 is located in electric clipper casing 1 is used for the installation space of fin 6, the other end of fin 6 with baffle 43 demountable installation, fin 6 with tool bit subassembly 2 demountable installation. The heat dissipation power device 5 comprises a fan 51 for discharging the heat generated by the heat sink 6 to the outside of the electric clipper housing 1, and the fan 51 is connected with a motor 52 for providing power. Moreover, the friction between the movable blade 21 and the fixed blade 22 generates a large amount of heat, which is mainly concentrated on the blade of the fixed blade 22, and the heat sink 6 is disposed to be attached to the fixed blade 22 in the blade assembly 2. The heat radiating fins 6 are used for absorbing heat on the static blade 22 in the cutter head assembly 2, and then the motor 52 is operated to drive the fan 51 to rotate at a high speed to drive air around the blades to flow, so that air pressure is generated around the blades to discharge the heat of the heat radiating fins 6 through the first heat radiating cavity 41 and then discharged outside the electric hair clipper through the second heat radiating cavity 42, and therefore the temperature in the casing 1 of the electric hair clipper is reduced, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in a long-time use state.

Example three:

as shown in fig. 9 to 11, the present embodiment is different from the first embodiment in that the cutter head assembly 2 is provided with a cooling member 7 for absorbing heat generated by the blade assembly 2. Wherein, the refrigerating member 7 adopts a semiconductor. One end of the refrigerating piece 7, which is far away from the cutter head component 2, is connected with a heat radiating fin 6 for heat conduction; the radiating fins 6 are arranged in the first radiating cavity 41 and extend along the length of the first radiating cavity 41, one end of each radiating fin 6 is connected with the cutter head component 2, and the other end of each radiating fin extends to the through hole. Wherein, tool bit subassembly 2 sets up and is used for the installation the recess of refrigeration piece 7, refrigeration piece 7 is kept away from the one end setting of tool bit subassembly 2 is used for the installation space of fin 6, the other end of fin 6 with baffle 43 demountable installation, fin 6 with tool bit subassembly 2 demountable installation. The heat dissipation power device 5 comprises a fan 51 for discharging the heat generated by the heat sink 6 to the outside of the electric clipper housing 1, and the fan 51 is connected with a motor 52 for providing power. The heat absorbed by the refrigerating part 7 from the cutter head component 2 is transferred to the radiating fins 6, then the motor 52 operates to drive the fan 51 to rotate at a high speed, and air around the fan blades is driven to flow, so that air pressure is generated around the fan blades, the heat of the radiating fins 6 is discharged through air channels inside the radiating fins 6, and then the heat is discharged outside the electric hair clipper through the air channels around the motor, so that the temperature in the electric hair clipper shell 1 is reduced, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in the long-time use state; and the refrigeration piece 7 adopts a semiconductor, and the refrigeration effect of the semiconductor can be effectively exerted after the heat of the semiconductor is effectively discharged through the radiating fin 6, so that the refrigeration effect is achieved, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in a long-time use state.

The heat dissipation power device is arranged in the electric hair clipper shell, so that heat generated by the cutter head assembly due to friction is discharged from the heat dissipation air channel to the outside of the electric hair clipper shell, and the problem that the cutter head assembly cannot work for a long time due to the fact that the cutter head assembly is scalded to a scalp due to overhigh temperature is avoided; the heat on the static blade in the cutter head assembly can be absorbed through the arrangement of the radiating fins, then the fan is driven to rotate at a high speed through the operation of the motor, and air around the fan blade is driven to flow, so that gas pressure is generated around the fan blade to enable the heat of the radiating fins to be discharged through air channels inside the radiating fins and then discharged outside the electric hair clipper through the air channels around the motor, and therefore the temperature in the shell of the electric hair clipper is reduced, and the static knife of the electric hair clipper can achieve the effect of not scalding the scalp in the long-time use state; through set up the heat dissipation wind channel in the electric clipper casing, discharge the heat that produces the tool bit subassembly in the electric clipper casing, reduce the heat in the electric clipper casing to reduce the temperature of tool bit subassembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric clipper heat dissipation mechanism which characterized in that:

the electric hair cutter comprises an electric hair cutter shell (1), a cutter head component (2) arranged at one end of the electric hair cutter shell (1), and a driving motor (3) which is arranged in the electric hair cutter shell (1), is connected with the cutter head component (2) and drives the cutter head component (2) to run;

a heat dissipation air channel (4) is formed in the electric hair clipper shell (1), and a heat dissipation power device (5) for discharging heat generated by the cutter head assembly (2) from the heat dissipation air channel (4) to the outside of the electric hair clipper shell (1) is arranged.

2. The heat dissipating mechanism of an electric clipper of claim 1, wherein:

the heat dissipation power device (5) comprises a fan (51) and a motor (52) which is connected with the fan (51) and drives the fan (51) to rotate.

3. The heat dissipating mechanism of an electric clipper of claim 1, wherein:

comprises a heat sink (6);

one end of the cooling fin (6) is connected with the cutter head component (2);

the heat dissipation power device (5) comprises a fan (51) used for discharging the heat of the heat dissipation fins (6) out of the electric hair clipper shell (1), and the fan (51) is connected with a motor (52) for providing power.

4. The heat dissipating mechanism of an electric clipper of claim 3, wherein:

the heat sink (6) comprises a beveled end (61) proximate the cutter head assembly (2); the tool bit component (2) is provided with a radiating fin mounting part (23) matched with the inclined surface end (61) of the radiating fin (6).

5. The heat dissipating mechanism of an electric clipper of claim 1, wherein:

comprises a heat sink (6);

the heat dissipation air duct (4) comprises a first heat dissipation cavity (41) and a second heat dissipation cavity (42) communicated with the first heat dissipation cavity (41); the heat sink (6) is disposed within the first heat dissipation cavity (41) and extends along the length of the first heat dissipation cavity (41);

a partition plate (43) is arranged between the first heat dissipation cavity (41) and the second heat dissipation cavity (42), and a through hole for communicating the first heat dissipation cavity (41) with the second heat dissipation cavity (42) is formed in the partition plate (43);

the heat dissipation power device (5) is arranged in the second heat dissipation cavity (42).

6. The heat dissipating mechanism of an electric clipper of claim 1, wherein:

and a refrigerating piece (7) for absorbing heat generated by the blade assembly (2) is arranged on the cutter head assembly (2).

7. The heat dissipating mechanism of an electric clipper of claim 6, wherein:

one end of the refrigerating piece (7) far away from the cutter head component (2) is connected with a heat radiating fin (6) for heat conduction; the heat dissipation power device (5) comprises a fan (51) used for discharging the heat of the heat dissipation fins (6) out of the electric hair clipper shell (1), and the fan (51) is connected with a motor (52) for providing power.

8. The heat dissipating mechanism of an electric clipper of claim 7, wherein:

tool bit subassembly (2) set up and are used for the installation recess (24) of refrigeration piece (7), refrigeration piece (7) with set up conducting strip (10) between fin (6), conducting strip (10) are close to the one end of fin (6) sets up two centre gripping pieces (101), two centre gripping piece (101) form and are used for the block chamber of fin (6).

9. An electric clipper heat dissipating mechanism as set forth in any one of claims 2, 3 or 8, wherein:

the heat dissipation power device (5) is arranged at one end, far away from the cutter head component (2), in the electric hair clipper shell (1).

10. The heat dissipating mechanism of an electric clipper of claim 7, wherein:

the other end of the electric hair cutter shell (1) opposite to the cutter head component (2) is provided with a heat dissipation hole (9) communicated with the heat dissipation air duct (4).