Hair scissors head assembly

Abstract

The utility model discloses a haircut scissors head assembly which comprises a fixed knife and a movable knife, the movable knife is arranged at the upper end of the fixed knife, a first sliding groove is formed in the upper end face of the fixed knife, a first sliding block is connected into the first sliding groove in a sliding mode, the upper end of the first sliding block is fixedly connected with the movable knife, a fixed block is fixedly connected to the upper end of the movable knife, and a second sliding groove is formed in the lower end face of the movable knife. A second sliding block is connected into the second sliding groove in a sliding mode, and the end face of the second sliding block and the end face of the second sliding groove are both in a T shape. A power device and a transmission device are arranged at the upper end of the fixed cutter, the power device is connected with the second sliding block through the transmission device, and the power device is used for providing power for the transmission device. According to the utility model, the movement direction of the movable cutter can be limited, so that the movable cutter can only move horizontally and transversely, the longitudinal movement of the movable cutter can be avoided, and the shearing effect between the movable cutter and the fixed cutter can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hair cutting scissors heads, in particular to a hair cutting scissors head assembly. Background Art

[0002] When a barber shop cuts a customer's hair, it needs to use barber scissors to trim the customer's hair. The current barber scissors mainly include a body and a barber scissors head. The barber scissors head is an indispensable part of the barber scissors. The barber scissors head mainly includes a movable knife and a fixed knife.

[0003] The movable blade of the existing hair clippers cannot be well restricted on the fixed blade during installation. After the movable blade is installed on the fixed blade, the movable blade will move longitudinally relative to the fixed blade after long-term use, which makes the shearing effect of the movable blade and the fixed blade worse and easily gets stuck on the hair, affecting the hair cutting effect. Therefore, it is necessary to design a hair clipper head assembly. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a hair cutting scissors head assembly.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hair cutting scissors head assembly, comprising a fixed knife and a movable knife, the movable knife is arranged at the upper end of the fixed knife, a first slide groove is provided on the upper end surface of the fixed knife, a first slider is slidably connected inside the first slide groove, the upper end of the first slider is fixedly connected to the movable knife, a fixed block is fixedly connected to the upper end of the movable knife, a second slide groove is provided on the lower end surface of the movable knife, a second slider is slidably connected inside the second slide groove, the end surface shape of the second slider and the end surface shape of the second slide groove are both T-shaped; a power device and a transmission device are provided on the upper end of the fixed knife, the power device is connected to the second slider through the transmission device, and the power device is used to provide power to the transmission device.

[0006] As a further description of the above technical solution:

[0007] The upper end surface of the fixed knife is provided with a mounting hole, and two mounting holes are provided and symmetrically distributed on both sides of the fixed knife.

[0008] As a further description of the above technical solution:

[0009] The power device includes an adjusting screw, a hexagonal groove and a first limit block. The upper end surface of the fixed knife is provided with a thread groove, the inner thread of the thread groove is connected with the adjusting screw, the lower part of the adjusting screw is provided with an external thread, the upper end surface of the adjusting screw is provided with a hexagonal groove, and the circumferential surface of the adjusting screw is fixedly connected with the first limit block.

[0010] As a further description of the above technical solution:

[0011] The transmission device includes a turntable, a first limiting groove, a first fixed shaft, a connecting rod, a second fixed shaft and a connecting block, the circumferential surface of the adjusting screw is slidably connected to the turntable, the inner wall of the turntable is provided with a first limiting groove, the first limiting groove and the first limiting block are slidably connected, both sides of the upper end of the turntable are fixedly connected to the first fixed shaft, the circumferential surface of the first fixed shaft is rotatably connected to the connecting rod, the end of the connecting rod away from the first fixed shaft is rotatably connected to the second fixed shaft, the lower end of the second fixed shaft is fixedly connected to the connecting block, and the connecting block is fixedly connected to the second sliding block.

[0012] As a further description of the above technical solution:

[0013] A second limiting groove is formed on the upper end surface of the fixed knife, a second limiting block is slidably connected inside the second limiting groove, and the second limiting block is fixedly connected to the second sliding block.

[0014] As a further description of the above technical solution:

[0015] There is a gap between the lower portion of the first sliding block and the bottom of the first sliding groove, and the size of the gap is 1-2 mm.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, the hair cutting scissors head assembly, by providing a first slide groove, a first slider, a second slide groove and a second slider, can limit the movement direction of the moving knife after the moving knife is installed on the fixed knife, so that the moving knife can only move horizontally, thereby preventing the moving knife from moving longitudinally, which is beneficial to improving the shearing effect between the moving knife and the fixed knife.

[0018] 2. Compared with the prior art, the hair cutting scissors head assembly is provided with an adjusting screw, a hexagonal groove, a first limiting block, a rotating disk, a first limiting groove, a first fixed shaft, a connecting rod, a second fixed shaft and a connecting block. When the movable knife needs to be disassembled, a hexagonal wrench is inserted into the hexagonal groove of the adjusting screw, and then the adjusting screw can be loosened, and then the disc can be rotated under the cooperation of the first limiting groove and the first limiting block, and then the second slider can be driven to disengage from the second sliding groove under the cooperation of the first fixed shaft, the connecting rod, the second fixed shaft and the connecting block, so that the movable knife can be removed conveniently, thereby improving the efficiency of disassembly and assembly of the movable knife. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a hair cutting scissors head assembly proposed by the utility model from a first perspective;

[0020] Figure 2This is a structural schematic diagram of a hair cutting scissors head assembly proposed by the utility model from a second viewing angle;

[0021] Figure 3 A hair cutting scissors head assembly proposed by the utility model Figure 2 Enlarged view of part A;

[0022] Figure 4 This is a schematic diagram of the structure of a haircut scissors head assembly proposed by the utility model after the device is disassembled;

[0023] Figure 5 A hair cutting scissors head assembly proposed by the utility model Figure 4 Enlarged view of part B.

[0024] Legend:

[0025] 1. Fixed knife; 2. Moving knife; 3. Power device; 301. Adjusting screw; 302. Hexagonal groove; 303. First limit block; 4. Transmission device; 401. Turntable; 402. First limit groove; 403. First fixed shaft; 404. Linking rod; 405. Second fixed shaft; 406. Connecting block; 5. Mounting hole; 6. Fixed block; 7. First slide groove; 8. First slider; 9. Second slide groove; 10. Second slider; 11. Second limit groove; 12. Second limit block; 13. Thread groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-5 The utility model provides a hair clipper head assembly, comprising a fixed knife 1 and a movable knife 2, the movable knife 2 is arranged at the upper end of the fixed knife 1, a first slide groove 7 is provided on the upper end surface of the fixed knife 1, a first slider 8 is slidably connected inside the first slide groove 7, the upper end of the first slider 8 is fixedly connected to the movable knife 2, a fixed block 6 is fixedly connected to the upper end of the movable knife 2, a second slide groove 9 is provided on the lower end surface of the movable knife 2, a second slider 10 is slidably connected inside the second slide groove 9, the end surface shape of the second slider 10 and the end surface shape of the second slide groove 9 are both T-shaped; a power device 3 and a transmission device 4 are provided on the upper end of the fixed knife 1, the power device 3 is connected to the second slider 10 through the transmission device 4, and the power device 3 is used to provide power to the transmission device 4.

[0028] Specifically, the first slider 8 on the movable knife 2 is installed in alignment with the first slide groove 7, so that the movable knife 2 is installed on the fixed knife 1, and then the power device 3 works, and with the cooperation of the transmission device 4, the second slider 10 can be driven to enter the second slide groove 9 of the movable knife 2. In this way, with the cooperation of the first slide groove 7, the first slider 8, the second slide groove 9 and the second slider 10, the movement direction of the movable knife 2 can be limited, so that the movable knife 2 can only move horizontally, so that the movable knife 2 can be prevented from moving longitudinally, which is beneficial to improving the shearing effect between the movable knife 2 and the fixed knife 1.

[0029] The upper end surface of the fixed knife 1 is provided with a mounting hole 5, and two mounting holes 5 are provided, which are symmetrically distributed on both sides of the fixed knife 1. When working, the fixed knife 1 is easily mounted on the machine body by setting the mounting holes 5.

[0030] The power device 3 includes an adjusting screw 301, a hexagonal groove 302 and a first limit block 303. The upper end surface of the fixed knife 1 is provided with a thread groove 13, and the adjusting screw 301 is connected to the inner thread of the thread groove 13. The lower part of the adjusting screw 301 is provided with an external thread. The upper end surface of the adjusting screw 301 is provided with a hexagonal groove 302, and the circumferential surface of the adjusting screw 301 is fixedly connected to the first limit block 303; the transmission device 4 includes a turntable 401, a first limit groove 402, a first fixed shaft 403, a connecting rod 404, a second fixed shaft 405 and a connecting block 406. The circumferential surface of the nail 301 is slidably connected to a turntable 401, an inner wall of the turntable 401 is provided with a first limit groove 402, the first limit groove 402 is slidably connected to the first limit block 303, both sides of the upper end of the turntable 401 are fixedly connected to a first fixed shaft 403, the circumferential surface of the first fixed shaft 403 is rotatably connected to a connecting rod 404, the end of the connecting rod 404 away from the first fixed shaft 403 is rotatably connected to a second fixed shaft 405, the lower end of the second fixed shaft 405 is fixedly connected to a connecting block 406, and the connecting block 406 is fixedly connected to the second slider 10.

[0031] Specifically, when the movable knife 2 needs to be disassembled, a hexagonal wrench is used to insert it into the hexagonal groove 302 of the adjusting screw 301. At this time, the adjusting screw 301 can be loosened, and then the disc can be rotated with the cooperation of the first limit groove 402 and the first limit block 303. Then, with the cooperation of the first fixed shaft 403, the connecting rod 404, the second fixed shaft 405 and the connecting block 406, the second slider 10 can be driven out of the second slide groove 9, thereby facilitating the removal of the movable knife 2 and improving the disassembly and assembly efficiency of the movable knife 2.

[0032] A second limiting groove 11 is provided on the upper end surface of the fixed knife 1, and a second limiting block 12 is slidably connected inside the second limiting groove 11. The second limiting block 12 is fixedly connected to the second sliding block 10. When working, the movement of the second sliding block 10 can be limited by setting the second limiting groove 11 and the second limiting block 12, so that the movement of the second sliding block 10 is smoother.

[0033] There is a gap between the lower part of the first sliding block 8 and the bottom of the first slide groove 7, and the size of the gap is 1-2 mm. During operation, the gap is used to allow fine hair to pass through, preventing the hair from entering the first slide groove 7 and causing the movable knife 2 to jam when moving.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hair cutting scissors head assembly, comprising a fixed blade (1) and a movable blade (2), Features: The movable knife (2) is arranged at the upper end of the fixed knife (1); a first sliding groove (7) is provided on the upper end surface of the fixed knife (1); a first sliding block (8) is slidably connected inside the first sliding groove (7); the upper end of the first sliding block (8) is fixedly connected to the movable knife (2); a fixed block (6) is fixedly connected to the upper end of the movable knife (2); a second sliding groove (9) is provided on the lower end surface of the movable knife (2); a second sliding block (10) is slidably connected inside the second sliding groove (9); the end surface shape of the second sliding block (10) and the end surface shape of the second sliding groove (9) are both T-shaped; a power device (3) and a transmission device (4) are provided on the upper end of the fixed knife (1); the power device (3) is connected to the second sliding block (10) through the transmission device (4); the power device (3) is used to provide power to the transmission device (4).

2. A hair cutting scissors head assembly according to claim 1, Features: The upper end surface of the fixed knife (1) is provided with a mounting hole (5), and two mounting holes (5) are provided and symmetrically distributed on both sides of the fixed knife (1).

3. A hair cutting scissors head assembly according to claim 1, Features: The power device (3) comprises an adjusting screw (301), a hexagonal groove (302) and a first limit block (303); a thread groove (13) is provided on the upper end surface of the fixed knife (1); the adjusting screw (301) is threadedly connected to the inner part of the thread groove (13); an external thread is provided on the lower part of the adjusting screw (301); a hexagonal groove (302) is provided on the upper end surface of the adjusting screw (301); and the first limit block (303) is fixedly connected to the circumferential surface of the adjusting screw (301).

4. A hair cutting scissors head assembly according to claim 3, Features: The transmission device (4) comprises a rotating disk (401), a first limiting groove (402), a first fixed shaft (403), a linkage rod (404), a second fixed shaft (405) and a connecting block (406); the rotating disk (401) is slidably connected to the circumferential surface of the adjusting screw (301); the inner wall of the rotating disk (401) is provided with a first limiting groove (402); the first limiting groove (402) and the first limiting block (303) are slidably connected; both sides of the upper end of the rotating disk (401) are fixedly connected to the first fixed shaft (403); the circumferential surface of the first fixed shaft (403) is rotatably connected to the linkage rod (404); one end of the linkage rod (404) away from the first fixed shaft (403) is rotatably connected to the second fixed shaft (405); the lower end of the second fixed shaft (405) is fixedly connected to the connecting block (406); the connecting block (406) is fixedly connected to the second sliding block (10).

5. A hair cutting scissors head assembly according to claim 1, Features: The upper end surface of the fixed knife (1) is provided with a second limiting groove (11), a second limiting block (12) is slidably connected inside the second limiting groove (11), and the second limiting block (12) is fixedly connected to the second sliding block (10).

6. A hair cutting scissors head assembly according to claim 1, Features: There is a gap between the lower part of the first sliding block (8) and the bottom of the first sliding groove (7), and the size of the gap is 1-2 mm.

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