Magnetic tool bit structure of electric hair cutter

Abstract

The utility model provides an electric hair cutter magnetic suction cutter head structure which comprises a cutter head assembly, a machine body upper shell and a machine body lower shell, the machine body upper shell is connected with the machine body lower shell to form a machine body shell, and the cutter head assembly is installed at the front end of the machine body shell. A magnetic isolation part is arranged at the top of a lower blade seat of the tool bit assembly, a tool bit magnet is fixedly installed on the magnetic isolation part, a machine body magnetic attraction steel sheet is fixedly installed at the front end of the machine body lower shell, and the tool bit assembly is connected with the machine body magnetic attraction steel sheet through the tool bit magnet in a magnetic attraction mode. The tool bit assembly is simple in structure, reliable fixation between the tool bit assembly and the machine body can be achieved through attraction of the tool bit magnet and the machine body magnetic attraction steel sheet, and further, direct contact between the tool bit magnet and the lower blade is avoided through the technical means that the magnetic isolation part is arranged on the top of the lower blade seat and the tool bit magnet is installed on the magnetic isolation part, so that the tool bit assembly is prevented from being damaged. And the upper blade and the lower blade are not easy to attract each other, so that the jamming condition is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of beauty and hairdressing appliances, in particular to a magnetic suction blade head structure of electric hair clipper. BACKGROUND

[0002] Electric hair clippers are now essential small household appliances for hair salons and public home life. Hairdressers use electric hair clippers to cut various hairstyles for customers, and parents can cut the hair of babies who are too young and inconvenient to go out at home, so electric hair clippers are widely used. After the electric hair clipper finishes cutting the hair, the hair clippings will accumulate on the blade head and need to be cleaned in time, so the disassembly structure of the blade head assembly requires convenience.

[0003] In the prior art, a magnetic connection scheme between the blade head and the body has been proposed, such as the patent document with publication number CN208992761U, which discloses a magnetic suction blade head electric hair clipper, including a body assembly and a blade head assembly installed in cooperation with the body assembly. The body assembly is provided with a power unit, which provides power for the blade head assembly. The blade head assembly can be detachably magnetically attracted to the body assembly. One of the body assembly and the blade head assembly is equipped with a first magnet, and the other has a magnetic material. The other is magnetically connected with the first magnet. Alternatively, the other is provided with a second magnet, and the other is magnetically connected with the first magnet through the second magnet. The magnetic suction blade head electric hair clipper of the utility model has the advantages that the blade head assembly can be detached and cleaned, and the blade head assembly can be replaced as a whole, and the user can use it safely and conveniently. However, in this scheme, the magnet is placed on the top of the body, directly attracting the lower blade, or the magnet is directly installed on the lower blade. In this way, the upper and lower blades will be attracted together under the influence of the magnet, causing the motor current to be too large and causing the clipper to jam. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the utility model is to provide a magnetic suction blade head structure of electric hair clipper.

[0005] According to the magnetic suction blade head structure of electric hair clipper provided by the utility model, the blade head assembly, the upper body shell and the lower body shell are connected to form a body shell, and the blade head assembly is installed at the front end of the body shell.

[0006] The top of the lower blade seat of the blade head assembly is provided with a magnetic separation part, and the magnetic separation part is fixedly installed with a blade magnet. The front end of the lower body shell is fixedly installed with a body magnetic steel sheet, and the blade head assembly is magnetically connected with the body magnetic steel sheet through the blade magnet.

[0007] Preferably, the blade head assembly includes an upper blade, an upper blade seat, a lower blade and a lower blade seat.

[0008] The rear end of the lower blade is fixedly installed at the bottom of the lower blade seat, the front end of the lower blade is provided with a sliding groove, the upper blade seat is slidingly arranged in the sliding groove, and the upper blade is installed at the front end of the upper blade seat.

[0009] Preferably, the fuselage shell is internally provided with a motor compartment, and the motor assembly is internally installed in the motor compartment.

[0010] An eccentric shaft is arranged on the output shaft at the front end of the motor assembly, the top of the upper blade seat is provided with a blade guide block, and a guide groove matched with the eccentric shaft is arranged on the blade guide block.

[0011] The motor assembly is used to drive the upper blade seat to move in the sliding groove on the lower blade in sequence through the eccentric shaft and the blade guide block.

[0012] Preferably, the fuselage magnetic steel sheet is fixed on the fuselage lower shell through a fuselage magnetic screw.

[0013] The threaded end of the fuselage magnetic screw passes through the mounting hole on the fuselage magnetic steel sheet, the mounting hole at the front end of the fuselage lower shell and the internal threaded column at the front end of the fuselage upper shell in sequence and is threadedly connected.

[0014] Preferably, the front end of the fuselage lower shell is provided with a mounting plate, the middle part of the mounting plate is provided with a gap for passing through the output shaft of the motor assembly, and the two sides of the mounting plate are provided with steel sheet fixing parts.

[0015] The fuselage magnetic steel sheet comprises a magnetic part and mounting lugs located on both sides of the magnetic part, the mounting lugs are matched with the steel sheet fixing parts, the fuselage magnetic steel sheet is fixedly installed at the bottom of the steel sheet fixing parts through the mounting lugs, and the magnetic part is used for magnetic attraction connection with the tool bit magnet.

[0016] Preferably, the tool bit magnet cover is installed on the magnetic separation part at the top of the lower blade seat, covers the top of the tool bit magnet and is used for fixing the tool bit magnet.

[0017] Preferably, the magnetic separation part at the top of the lower blade seat is provided with a mounting groove and a threaded hole, and the tool bit magnet is installed in the mounting groove.

[0018] The tool bit magnet cover is fixedly connected with the lower blade seat through a magnet cover screw, the magnet cover screw passes through the mounting hole on one side of the tool bit magnet cover and is fixedly installed in the threaded hole.

[0019] Preferably, the fuselage shell is provided with a battery compartment at the rear part of the motor compartment, a lithium battery is installed in the battery compartment, and a circuit board is arranged at the top of the lithium battery.

[0020] The lithium battery is electrically connected with the circuit board and the motor assembly respectively.

[0021] Preferably, the lower blade is mounted on the bottom of the lower blade seat by a fastener, and the lower blade is provided with a positioning groove, and the bottom of the lower blade seat is provided with a positioning structure matching the positioning groove;

[0022] The positioning structure comprises a spring groove, a spring arranged inside the spring groove and a top bead arranged at the top of the spring, and the spring is used to apply elastic force to the top bead and fix the top bead in the positioning groove.

[0023] Preferably, the top of the lower blade seat is provided with one or more guide positioning columns, and the guide positioning columns are provided with guide positioning grooves;

[0024] The bottom of the front end of the machine body shell is provided with one or more guide positioning protrusions matching the guide positioning grooves, and the guide positioning protrusions can be inserted into the corresponding guide positioning grooves to guide and position the tool head assembly during disassembly and assembly.

[0025] Compared with the prior art, the utility model has the beneficial effects that:

[0026] The utility model discloses simple structure, and reliable fixing between tool head assembly and machine body can be realized through the attraction of tool head magnet and machine body magnetic steel sheet, and further, the technical means that the magnetic separation part is arranged at the top of the lower blade seat, and the tool head magnet is installed on the magnetic separation part, avoids the direct contact of the tool head magnet and the lower blade, makes the lower and upper blades not easy to attract each other, and avoids the situation of being stuck. BRIEF DESCRIPTION OF DRAWINGS

[0027] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0028] Figure 1 It is the explosion structure schematic diagram of the utility model;

[0029] Figure 2 It is the half cut schematic diagram of the side view angle of the utility model.

[0030] It is shown in the drawings that:

[0031] Tool head assembly 1 upper blade 10

[0032] Machine body shell 2 lower blade 12

[0033] Machine body lower shell 3 lower blade seat 13

[0034] Motor assembly 4 blade guide block 14

[0035] Machine body magnetic steel sheet 5 spring 17

[0036] Body magnetic screw 6 Top bead 18

[0037] Head magnet 7 Lithium battery 19

[0038] Head magnet cover 8 Eccentric shaft 20

[0039] Magnet cover screw 9 Circuit board 21 DETAILED DESCRIPTION

[0040] The utility model will be described in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that, for those skilled in the art, without departing from the concept of the utility model, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.

[0041] The utility model discloses a kind of electric clipper magnetic attraction head structure, by the attraction principle of magnet and steel, the problem that original head and body fastening is very hard is solved, since magnet magnetic force long time suction loss is very small, the problem that original head is placed long time, head and body loose are solved;Further, by installing magnet on the lower blade seat of magnetic separation, avoid the upper and lower blade attraction caused by magnetic conduction, so that the operation of blade is more reliable and stable.

[0042] According to the electric clipper magnetic attraction head structure provided by the utility model, Figure 1 、As shown in Figure 2 , including head assembly 1, machine body shell 2 and machine body lower shell 3, the machine body shell 2 connects machine body lower shell 3 to form machine body shell, and the head assembly 1 is installed at the front end of machine body shell. The top of the lower blade seat 13 of the head assembly 1 is provided with a magnetic separation part, and the magnetic separation part is fixedly installed with a head magnet 7. The front end of the machine body lower shell 3 is fixedly installed with a machine body magnetic attraction steel sheet 5. The head assembly 1 is magnetically attracted and connected with the machine body magnetic attraction steel sheet 5 through the head magnet 7. By the above technical means of fixing the head magnet 7 on the magnetic separation part, the upper and lower blades are not easy to be attracted under the influence of the head magnet 7, and the stability of the clipper is improved.

[0043] Preferably, the top of the lower blade seat 13 is provided with one or more guide positioning columns, and the guide positioning columns are provided with guide positioning grooves; the bottom of the front end of the machine upper shell 2 is provided with one or more guide positioning protrusions matched with the guide positioning grooves, and the guide positioning protrusions can be inserted into the corresponding guide positioning grooves for guiding and positioning the tool head assembly 1 during disassembly. Through the arrangement of the guide positioning columns and the guide positioning protrusions, when the tool head assembly 1 is attracted to the machine upper shell 2, the freedom of the tool head assembly 1 is limited, so that it can only move vertically in the guide, and further, the guide positioning column is provided with an opening on the side close to the machine shell, which facilitates the disassembly of the tool head assembly 1 by making the guide positioning protrusions disengage from the opening, and only needs to push the tool head assembly 1 away from the machine shell to achieve disassembly.

[0044] Preferably, the top of the lower blade seat 13 is provided with one or more guide positioning columns, and the guide positioning columns are provided with guide positioning grooves; the bottom of the front end of the machine upper shell 2 is provided with one or more guide positioning protrusions matched with the guide positioning grooves, and the guide positioning protrusions can be inserted into the corresponding guide positioning grooves for guiding and positioning the tool head assembly 1 during disassembly. Through the arrangement of the guide positioning columns and the guide positioning protrusions, when the tool head assembly 1 is attracted to the machine upper shell 2, the freedom of the tool head assembly 1 is limited, so that it can only move vertically in the guide, and further, the guide positioning column is provided with an opening on the side close to the machine shell, which facilitates the disassembly of the tool head assembly 1 by making the guide positioning protrusions disengage from the opening, and only needs to push the tool head assembly 1 away from the machine shell to achieve disassembly.

[0045] The tool head assembly 1 comprises an upper blade 10, an upper blade seat, a lower blade 12 and a lower blade seat 13; the rear end of the lower blade 12 is fixedly installed at the bottom of the lower blade seat 13, the top of the front end of the lower blade 12 is provided with a sliding groove, the upper blade seat is slidingly arranged in the sliding groove, and the upper blade 10 is installed at the front end of the upper blade seat. The inside of the machine shell is provided with a motor compartment, and the motor assembly 4 is installed in the motor compartment; the output shaft of the front end of the motor assembly 4 is provided with an eccentric shaft 20, the top of the upper blade seat is provided with a blade guide block 14, and the blade guide block 14 is provided with a guide groove matched with the eccentric shaft 20; the motor assembly 4 is used to drive the upper blade seat to move in the sliding groove on the lower blade 12 through the eccentric shaft 20 and the blade guide block 14 in sequence.

[0046] Through the rotation of the output shaft of the motor assembly 4, the eccentric shaft 20 can be rotated in the inside of the blade guide block 14, the front end of the eccentric shaft 20 acts on the inner wall of the blade guide block 14, thereby driving the blade guide block 14 to move transversely, and realizing the relative movement of the upper blade 10 and the lower blade 12 in the transverse direction.

[0047] The machine body magnetic steel sheet 5 is fixed on the machine body lower shell 3 through a machine body magnetic screw 6, the threaded end of the machine body magnetic screw 6 is threaded through the mounting hole on the machine body magnetic steel sheet 5, the mounting hole at the front end of the machine body lower shell 3 and the internal threaded column at the front end of the machine body upper shell 2 in sequence and is screwed.

[0048] In a preferred embodiment, the front end of the machine body lower shell 3 is provided with a mounting plate, the middle part of the mounting plate is provided with a gap for passing through the output shaft of the motor assembly 4, and both sides of the mounting plate are provided with a steel sheet fixing part; the machine body magnetic steel sheet 5 comprises a magnetic attraction part and mounting lugs located on both sides of the magnetic attraction part, the mounting lugs are matched with the steel sheet fixing part, the machine body magnetic steel sheet 5 is fixedly installed at the bottom of the steel sheet fixing part through the mounting lugs, and the magnetic attraction part is used for magnetic attraction connection with the cutter head magnet 7.

[0049] The machine body shell is provided with a battery cabin at the rear of the motor cabin, a lithium battery 19 is installed in the battery cabin, and a circuit board 21 is arranged at the top of the lithium battery 19; the lithium battery 19 is electrically connected with the circuit board 21 and the motor assembly 4 respectively.

[0050] The lower blade 12 is installed at the bottom of the lower blade seat 13 through a fastener, the lower blade 12 is provided with a positioning groove, and the bottom of the lower blade seat 13 is provided with a positioning structure matched with the positioning groove; the positioning structure comprises a spring groove, a spring 17 arranged in the spring groove and a top bead 18 arranged at the top of the spring 17, the spring 17 is used for exerting elastic force on the top bead 18 and fixing the top bead 18 in the positioning groove. By the technical means that the cutter head magnet 7 and the lower blade 12 are installed at the upper and lower ends of the lower blade seat 13 respectively, the cutter head magnet 7 can be prevented from directly contacting the lower blade 12, and the mutual attraction of the upper and lower blades is prevented.

[0051] The working principle of the utility model is as follows:

[0052] When using, the cutter head assembly 1 is fastened together with the cutter head magnet 7 and the cutter head magnet cover 8 through the magnet cover screw 9. The upper machine body cover 2, the motor assembly 4 and the upper machine body shell 2 and the machine body magnetic steel sheet 5 are fastened together. The upper part of the cutter head assembly 1 is inserted into the upper machine body shell 3 first, and the guiding and positioning is completed through the guiding and positioning column and the guiding and positioning block, and finally the lower part of the cutter head assembly 1 is put into the lower machine body shell 3. After being put in, the cutter head magnet 7 contacts with the machine body magnetic steel sheet 5 through the cutter head magnet cover 8, and the cutter head magnet 7 tightly absorbs the machine body magnetic steel sheet 5. In this way, the fixation of the cutter head assembly 1 and the whole machine body is realized. When disassembling, the cutter head assembly 1 only needs to be pushed gently along the direction parallel to the contact surface of the cutter head magnet 8 and the machine body magnetic steel sheet 5, the cutter head magnet 8 is separated from the machine body magnetic steel sheet 5, and the cutter head assembly 1 can be easily disassembled.

[0053] In the description of the present application, it should be understood 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 present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0054] The specific embodiments of the present application are described above. It should be understood that the present application is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A magnetic suction head structure of an electric clipper, characterized in that, It comprises a cutter head assembly (1), an upper machine body shell (2) and a lower machine body shell (3), the upper machine body shell (2) is connected with the lower machine body shell (3) to form a machine body shell, and the cutter head assembly (1) is installed at the front end of the machine body shell; The top of the lower blade seat (13) of the cutter head assembly (1) is provided with a magnetic isolation part, a cutter head magnet (7) is fixedly installed on the magnetic isolation part, the front end of the lower machine body shell (3) is fixedly installed with a machine body magnetic steel sheet (5), and the cutter head assembly (1) is magnetically connected with the machine body magnetic steel sheet (5) through the cutter head magnet (7).

2. The magnetic head structure of the electric clipper according to claim 1, wherein The cutter head assembly (1) comprises an upper blade (10), an upper blade seat, a lower blade (12) and a lower blade seat (13); The rear end of the lower blade (12) is fixedly installed at the bottom of the lower blade seat (13), the front end of the lower blade (12) is provided with a sliding groove, the upper blade seat is slidingly arranged in the sliding groove, and the upper blade (10) is installed at the front end of the upper blade seat.

3. The magnetic head structure of the electric clipper according to claim 2, wherein The machine body shell is internally provided with a motor compartment, and the motor assembly (4) is installed in the motor compartment; An eccentric shaft (20) is arranged on the output shaft at the front end of the motor assembly (4), the top of the upper blade seat is provided with a blade guide block (14), and the blade guide block (14) is provided with a guide groove matched with the eccentric shaft (20); The motor assembly (4) is used for driving the upper blade seat to move in the sliding groove on the lower blade (12) through the eccentric shaft (20) and the blade guide block (14) in sequence.

4. The magnetic head of the electric clipper according to claim 1, wherein The machine body magnetic steel sheet (5) is fixed on the lower machine body shell (3) through a machine body magnetic screw (6); The threaded end of the machine body magnetic screw (6) penetrates the mounting hole on the machine body magnetic steel sheet (5), the mounting hole at the front end of the lower machine body shell (3) and the internal threaded column at the front end of the upper machine body shell (2) in sequence and is threadedly connected.

5. The magnetic head of the electric clipper according to claim 4, wherein The front end of the lower machine body shell (3) is provided with a mounting plate, the middle part of the mounting plate is provided with a gap for penetrating the output shaft of the motor assembly (4), and the two sides of the mounting plate are provided with steel sheet fixing parts; The machine body magnetic steel sheet (5) comprises a magnetic attraction part and mounting lugs located on both sides of the magnetic attraction part, the mounting lugs are matched with the steel sheet fixing parts, the machine body magnetic steel sheet (5) is fixedly installed at the bottom of the steel sheet fixing parts through the mounting lugs, and the magnetic attraction part is used for magnetically connecting with the cutter head magnet (7).

6. The magnetic blade head structure of the electric clipper according to claim 1, wherein, The cutter head magnet cover (8) is installed on the magnetic isolation part at the top of the lower blade seat (13), covers the top of the cutter head magnet (7) and is used for fixing the cutter head magnet (7).

7. The magnetic head structure of the electric clipper according to claim 6, wherein The magnetic isolation part at the top of the lower blade seat (13) is provided with a mounting groove and a threaded hole, and the cutter head magnet (7) is installed in the mounting groove; The cutter head magnet cover (8) is fixedly connected with the lower blade seat (13) through a magnet cover screw (9), the magnet cover screw (9) penetrates the mounting hole on one side of the cutter head magnet cover (8) and is fixedly installed in the threaded hole.

8. The magnetic head of the electric clipper according to claim 3, wherein The machine body shell is provided with a battery cabin at the rear of the motor cabin, a lithium battery (19) is installed in the battery cabin, and a circuit board (21) is arranged on the top of the lithium battery (19); The lithium battery (19) is electrically connected with the circuit board (21) and the motor assembly (4) respectively.

9. The magnetic head of the electric clipper according to claim 2, wherein The lower blade (12) is mounted on the bottom of the lower blade seat (13) through a fastener, a positioning groove is arranged on the lower blade (12), and a positioning structure matched with the positioning groove is arranged on the bottom of the lower blade seat (13); The positioning structure comprises a spring groove, a spring (17) arranged in the spring groove, and a top bead (18) arranged on the top of the spring (17), the spring (17) is used for exerting elastic force on the top bead (18) and fixing the top bead (18) in the positioning groove.

10. The magnetic blade head structure of the electric clipper according to claim 1, wherein, A guide positioning column is arranged on the top of the lower blade seat (13), and a guide positioning groove is arranged in the guide positioning column; One or more guide positioning blocks matched with the guide positioning groove are arranged on the bottom of the front end of the machine body shell (2), the guide positioning blocks can be inserted into the corresponding guide positioning grooves, and the guide positioning blocks are used for guiding and positioning the tool head assembly (1) during disassembly and assembly.

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