A guard for a hair clipper head assembly

Abstract

The utility model belongs to the technical field, concretely relates to a protection device of hairdresser cutter head subassembly, including the casing, the upper end of casing is installed with the mounting seat, is provided with the movable seat on the mounting seat, both ends of movable seat are connected with the mounting seat rotation respectively, the upper end surface of movable seat is provided with static tool rest, is installed with static blade on static tool rest, the top of static tool rest is provided with dynamic tool rest, the upper end surface of dynamic tool rest is installed with dynamic blade, and the abutment of dynamic tool rest and movable seat has drive spring, to drive dynamic blade to keep adhering in the lower end surface of static blade, the both sides of static tool rest and static blade are installed with the protection piece respectively, the outside of protection piece is formed with the round angle, the utility model is installed with the protection piece in the both ends of blade respectively, can prevent the sharp end of both ends of blade from scratching the skin, and the outside of protection piece is the round angle transition design, can protect the part of skin contact, improve security and use experience.

Description

Technical Field

[0001] This utility model relates to the field of hair clipper technology, and specifically to a protective device for the hair clipper blade assembly. Background Technology

[0002] Traditional handheld hair trimmers typically consist of a head comprising a fixed blade and a movable blade. An operable motor causes the movable blade to reciprocate relative to the fixed blade to trim hair. In at least some known handheld trimmers, both the fixed and movable blades include relatively flat blade teeth that extend to their ends to define the cutting edges of the blades. To achieve proper sharpness, the blades must be relatively thin, resulting in sharp angles at both ends that can scratch the skin during use, leading to a poor user experience. Utility Model Content

[0003] The purpose of this invention is to provide a protective device for the hair clipper blade assembly, which solves the problem that the sharp ends of the blades can easily scratch the skin during use by using a protective plate.

[0004] The purpose of this utility model is achieved as follows: A protective device for a hair clipper blade assembly includes a housing, an mounting base installed at the upper end of the housing, a movable base provided on the mounting base, both ends of the movable base being rotatably connected to the mounting base, a stationary blade holder provided on the upper end face of the movable base, a stationary blade mounted on the stationary blade holder, a movable blade holder provided above the stationary blade holder, a movable blade mounted on the upper end face of the movable blade holder, a drive spring abutting between the movable blade holder and the movable base to drive the movable blade to remain in contact with the lower end face of the stationary blade, and protective plates are respectively installed on both sides of the stationary blade holder and the stationary blade, with rounded corners formed on the outer side of the protective plates.

[0005] Preferably, two lower mounting grooves are formed on both sides of the upper end face of the movable seat, and a lower mounting post is provided in the lower mounting groove. Two upper mounting grooves are formed on both sides of the lower end face of the moving tool holder, and an upper mounting post is provided in the upper mounting groove. The driving spring abuts between the upper mounting post and the lower mounting post.

[0006] Preferably, the stationary tool holder has a through hole for the drive spring to pass through.

[0007] Preferably, the mounting base has mounting holes on both sides, and a rotating shaft is installed in the mounting holes. The lower end of the movable base has connecting parts formed on both sides. The outer side wall of the connecting parts has a rotating groove for mounting the rotating shaft. A torsion spring is installed on the outer periphery of the rotating shaft, and the two ends of the torsion spring abut against the mounting base and the movable base respectively.

[0008] Preferably, the upper end face of the movable seat is formed with a latching part on each side, and the stationary knife holder is provided with a slot for the latching part to be engaged, so that the stationary knife holder is fixedly connected to the movable seat, and the stationary blade is fixedly connected to the stationary knife holder by spot welding.

[0009] Preferably, the upper end of the latching part is formed with a limiting part, and the lower end face of the moving tool holder is formed with limiting grooves on both sides that cooperate with the limiting part, so as to keep the moving tool holder in linear motion.

[0010] Preferably, a power connection seat is formed at the lower center of the moving tool holder.

[0011] Preferably, the inner side of the protective sheet is formed with a retaining edge, and the protective sheet is fixedly connected to the stationary blade.

[0012] The outstanding and beneficial technical effects of this utility model compared to the prior art are: This invention prevents the sharp ends of the blade from scratching the skin by installing protective plates at both ends of the blade. The outer side of the protective plate has a rounded corner design, which can protect the part that comes into contact with the skin, improving safety and user experience. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 .

[0014] Figure 2 This is a three-dimensional structural diagram of the cutter head assembly.

[0015] Figure 3 This is a schematic diagram of the exploded structure of the cutter head assembly.

[0016] Figure 4 This is a side view of the cutter head assembly.

[0017] Figure 5 for Figure 4 A schematic diagram of the cross-sectional structure at point AA.

[0018] Figure 6 for Figure 4 Schematic diagram of the cross-sectional structure at point BB.

[0019] Reference numerals: 1-Housing; 2-Mounting base; 3-Moving base; 4-Stationary tool holder; 5-Stationary blade; 6-Moving tool holder; 7-Moving blade; 8-Drive spring; 9-Protective plate; 10-Rounded corner; 11-Lower mounting groove; 12-Lower mounting post; 13-Upper mounting groove; 14-Upper mounting post; 15-Through hole one; 16-Mounting hole; 17-Rotating shaft; 18-Connecting part; 19-Rotating groove; 20-Torsion spring; 21-Snap-on part one; 22-Bayonet; 23-Limiting part; 24-Limiting groove; 25-Power connection base; 26-Side guard. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0021] like Figure 1-6 As shown, a protective device for a hair clipper blade assembly includes a housing 1, a mounting base 2 installed on the upper end of the housing 1, a movable base 3 provided on the mounting base 2, and two ends of the movable base 3 rotatably connected to the mounting base 2 respectively. A stationary blade holder 4 is provided on the upper end surface of the movable base 3, and a stationary blade 5 is installed on the stationary blade holder 4. A movable blade holder 6 is provided above the stationary blade holder 4, and a movable blade 7 is installed on the upper end surface of the movable blade holder 6. A drive spring 8 abuts between the movable blade holder 6 and the movable base 3 to drive the movable blade 7 to remain in contact with the lower end surface of the stationary blade 5. Protective plates 9 are respectively installed on both sides of the stationary blade holder 4 and the stationary blade 5, and the outer side of the protective plates 9 is formed with rounded corners 10.

[0022] This invention prevents the sharp ends of the blade from scratching the skin by installing protective plates at both ends of the blade. The outer side of the protective plate has a rounded corner design, which can protect the part that comes into contact with the skin, improving safety and user experience.

[0023] The upper end face of the movable seat 3 has two lower mounting grooves 11 formed on both sides, and a lower mounting post 12 is provided in the lower mounting groove 11. The lower end face of the movable tool holder 6 has two upper mounting grooves 13 formed on both sides, and an upper mounting post 14 is provided in the upper mounting groove 13. The drive spring 8 is abutted between the upper mounting post 14 and the lower mounting post 12 to limit the installation position of the drive spring 8 and prevent its displacement. By having four drive springs 8 abutting against the lower end faces of both sides of the movable tool holder 6, the stability of the preload can be improved.

[0024] The stationary tool holder 4 has a through hole 15 for the drive spring 8 to pass through.

[0025] Mounting holes 16 are provided on both sides of the mounting base 2, and a rotating shaft 17 is provided in the mounting holes 16. Connecting parts 18 are formed on both sides of the lower end of the movable base 3. The outer side wall of the connecting part 18 is formed with a rotating groove 19 for mounting the rotating shaft 17, so that the movable base 3 and the mounting base 2 can be rotatably connected. In actual use, the angle can be adjusted. A torsion spring 20 is installed on the outer periphery of the rotating shaft 17. The two ends of the torsion spring 20 abut against the mounting base 2 and the movable base 3 respectively, providing elastic force for automatic reset.

[0026] The upper surface of the movable seat 3 is formed with a buckle part 21 on both sides. The stationary knife holder 4 is provided with a slot 22 for the buckle part 21 to be engaged, so that the stationary knife holder 4 is fixedly connected to the movable seat 3. The structure is simple and easy to disassemble and assemble. The stationary blade 5 is fixedly connected to the stationary knife holder 4 by spot welding.

[0027] The upper end of the buckle part 21 is formed with a limiting part 23, and the lower end face of the moving blade holder 6 is formed with limiting grooves 24 on both sides to cooperate with the limiting part 23, so as to keep the moving blade holder 6 in a straight line and prevent it from swaying left and right, so as to achieve the effect of cutting hair.

[0028] The lower middle part of the moving tool holder 6 is formed with a power connection seat 25, which is used to connect the swing arm and drive the moving tool holder 9 to reciprocate linearly.

[0029] The inner side of the protective plate 9 is formed with a retaining edge 26, which can cover the tips of both ends of the blade. The protective plate 9 is fixedly connected to the stationary blade.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A protective device for a hair clipper blade assembly, characterized in that, The device includes a housing (1), a mounting base (2) is installed on the upper end of the housing (1), a movable base (3) is provided on the mounting base (2), the two ends of the movable base (3) are rotatably connected to the mounting base (2), a stationary knife holder (4) is provided on the upper end surface of the movable base (3), a stationary blade (5) is installed on the stationary knife holder (4), a movable knife holder (6) is provided above the stationary knife holder (4), a movable blade (7) is installed on the upper end surface of the movable knife holder (6), a drive spring (8) abuts between the movable knife holder (6) and the movable base (3) to drive the movable blade (7) to remain attached to the lower end surface of the stationary blade (5), and protective plates (9) are installed on both sides of the stationary knife holder (4) and the stationary blade (5), and the outer side of the protective plate (9) is formed with rounded corners (10).

2. The protective device for the hair clipper blade assembly according to claim 1, characterized in that: The upper end face of the movable seat (3) has two lower mounting grooves (11) formed on both sides, and a lower mounting post (12) is provided in the lower mounting groove (11). The lower end face of the moving knife holder (6) has two upper mounting grooves (13) formed on both sides, and an upper mounting post (14) is provided in the upper mounting groove (13). The drive spring (8) abuts between the upper mounting post (14) and the lower mounting post (12).

3. The protective device for the hair clipper blade assembly according to claim 2, characterized in that: The stationary tool holder (4) has a through hole (15) for the drive spring (8) to pass through.

4. The protective device for the hair clipper blade assembly according to claim 1, characterized in that: The mounting base (2) has mounting holes (16) on both sides, and a rotating shaft (17) is provided in the mounting holes (16). The lower ends of the movable base (3) are respectively formed with connecting parts (18). The outer side wall of the connecting part (18) is formed with a rotating groove (19) for mounting the rotating shaft (17). A torsion spring (20) is installed on the outer periphery of the rotating shaft (17). The two ends of the torsion spring (20) abut against the mounting base (2) and the movable base (3) respectively.

5. The protective device for the hair clipper blade assembly according to claim 1, characterized in that: The upper surface of the movable seat (3) is formed with a buckle part (21) on both sides. The stationary knife holder (4) is provided with a slot (22) for the buckle part (21) to be engaged, so that the stationary knife holder (4) is fixedly connected to the movable seat (3). The stationary blade (5) is fixedly connected to the stationary knife holder (4) by spot welding.

6. The protective device for the hair clipper blade assembly according to claim 5, characterized in that: The upper end of the buckle part (21) is formed with a limiting part (23), and the lower end face of the moving tool holder (6) is formed with limiting grooves (24) that cooperate with the limiting part (23) to keep the moving tool holder (6) moving in a straight line.

7. The protective device for the hair clipper blade assembly according to claim 6, characterized in that: The lower middle part of the moving tool holder (6) is formed with a power connection seat (25).

8. The protective device for the hair clipper blade assembly according to claim 1, characterized in that: The inner side of the protective sheet (9) is formed with a retaining edge (26), and the protective sheet (9) is fixedly connected to the stationary knife.

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