Cutter head structure of hair scissors

Abstract

The utility model relates to a tool bit structure of hair scissors, which comprises a main shell, a static blade, a static blade mounting seat for mounting the static blade, a movable blade, and a movable blade mounting seat for mounting the movable blade and capable of driving the movable blade to synchronously swing, elastic pieces for applying elastic thrust to the movable blade mounting base towards the static blade are arranged between the main shell and the movable blade mounting base, the movable blade is connected with the static blade in an abutting mode, the movable blade is further pressed on the movable blade mounting base in an abutting mode through a pressing ring, and the multiple elastic pieces act on the periphery of the movable blade mounting base in the circumferential direction. The elastic pieces abut against the periphery of the movable blade installation base, so that the movable blade is stable in structure and not prone to inclination.

Description

Technical Field

[0001] The utility model relates to the technical field of hair clippers, in particular to a cutter head structure of a hair clipper. Background Art

[0002] A hair trimmer is disclosed in CN212601975U, which includes a stationary blade, a moving blade, a stationary blade fixing seat, a moving blade fixing seat, a moving blade driving mechanism, and a main housing. The moving blade is installed on the moving blade fixing seat, and the stationary blade is installed on the stationary blade fixing seat. Both the moving blade and the stationary blade are of annular structures, and both the moving blade and the stationary blade are provided with tooth portions. The tooth portions are teeth extending inward along the moving blade and the stationary blade respectively. The moving blade driving mechanism drives the moving blade to rotate to cut hair. The moving blade driving mechanism includes a motor and a swing rod. One end of the swing rod extends into a groove of the moving blade fixing seat. A fulcrum in the middle position of the swing rod is movable relative to the main housing. The shaft end of the motor is connected with an eccentric member eccentrically arranged relative to the axis of the motor. A chute for the eccentric member to extend into is provided on the swing rod. The eccentric member extends into the chute. The eccentric movement of the eccentric member drives the swing rod to make a swinging movement, so that the moving blade swings back and forth and cooperates with the stationary blade to shave close to the head. One end of the moving blade fixing seat is movably connected to the main housing through a pin shaft, and the moving blade at the other end abuts against the stationary blade. An elastic member for applying an elastic thrust to the moving blade fixing seat towards the stationary blade end is provided between the main housing and the moving blade fixing seat. The elastic member adopts an elastic member 7, and the elastic member 7 is sleeved outside the pin shaft 8. One end of the elastic member 7 acts on the main housing 1, and the other end acts on the moving blade fixing seat 5. There is only one elastic member in the above structure and it is installed in the middle. The elastic member only acts on the center of the moving blade fixing seat. During use, the moving blade is prone to tilt and shake. Content of the Utility Model

[0003] Purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a cutter head structure of a hair clipper. By a plurality of elastic members abutted against the outer periphery of the moving blade mounting seat, the structure of the moving blade is stable and not prone to tilt.

[0004] Technical solution of the utility model: A cutter head structure of a hair clipper includes a main housing, a stationary blade, a stationary blade mounting seat for mounting the stationary blade, a moving blade, and a moving blade mounting seat for mounting the moving blade and capable of driving the moving blade to swing synchronously. The moving blade mounting seat is rotatably mounted on the main housing. An elastic member for applying an elastic thrust to the moving blade mounting seat towards the stationary blade direction is provided between the main housing and the moving blade mounting seat. The moving blade abuts against the stationary blade. The moving blade is further pressed against the moving blade mounting seat through a retaining ring. The elastic member has a plurality of them and acts on the outer periphery of the moving blade mounting seat along the circumferential direction.

[0005] In the present utility model, a plurality of elastic members are abutted against the outer periphery of the moving blade mounting seat. The moving blade mounting seat is uniformly stressed and not prone to tilting to one side, enabling the moving blade to be in good abutting contact with the static blade.

[0006] Preferably, the static blade is provided with an annular groove or flange on the side facing the retaining ring, and a corresponding flange or groove is provided on the retaining ring or the moving blade. The flange is rotatably inserted into the groove. Through the cooperation of the flange and the groove, the static blade and the moving blade can be coaxially arranged.

[0007] Preferably, the inner side wall of the groove or the outer side wall of the flange has a guiding inclined surface. Through the arrangement of the inclined surface, it is convenient to guide the flange into the groove.

[0008] Preferably, the retaining ring is pressed on the outer ring of the moving blade, and the outer periphery of the retaining ring is in snap-fit with the moving blade mounting seat and can swing synchronously with the moving blade mounting seat.

[0009] Preferably, the outer periphery of the static blade is in snap-fit with the inner wall of the static blade mounting seat.

[0010] Preferably, the moving blade mounting seat has a sunken storage chamber for storing the cut hair. There is a flanging on the outer periphery of the upper end of the storage chamber. The moving blade abuts against the top surface of the flanging, and a plurality of elastic members are distributed on the outer periphery of the storage chamber and abut against the bottom surface of the flanging. The storage chamber is formed by the sinking of the middle part of the moving blade mounting seat, which is convenient for storing the cut hair; and the outer flanging is convenient for the moving blade and the elastic members to abut.

[0011] Preferably, the center of the moving blade mounting seat is rotationally connected to the main housing through a support shaft. There are also a plurality of chutes for inserting eccentric members on the bottom surface of the moving blade mounting seat, and the main housing has through openings corresponding to the chutes at the bottom surface. After the eccentric member is inserted into the chute and driven to rotate by the motor, the moving blade mounting seat can be driven to swing reciprocally around the support shaft.

[0012] Preferably, both the moving blade and the static blade are of an annular structure, and knife teeth are provided on the inner rings of the moving blade and the static blade. Description of the Drawings

[0013] Figure 1 is the structural diagram of a specific embodiment of the present utility model;

[0014] Figure 2 is the bottom structural diagram of a specific embodiment of the present utility model;

[0015] Figure 3 is the internal structural diagram of a specific embodiment of the present utility model;

[0016] Figure 4 is Figure 3 the partial enlarged view of part I in

[0017] Figure 5 Exploded view of a specific embodiment of the present utility model;

[0018] Figure 6 Exploded view of the stationary blade and the stationary blade mounting seat of a specific embodiment of the present utility model;

[0019] Figure 7 Bottom surface structure diagram of the stationary blade of a specific embodiment of the present utility model;

[0020] Figure 8 Exploded view of the moving blade and the moving blade mounting seat of a specific embodiment of the present utility model;

[0021] Figure 9 Bottom surface structure diagram of the moving blade mounting seat of a specific embodiment of the present utility model.

[0022] In the figure: main housing A, through port A1, stationary blade 1, stationary blade mounting seat 2, moving blade 3, moving blade mounting seat 4, storage chamber 41, flanging 42, sliding groove 43, elastic member 5, retaining ring 6, groove a1, flange a2, inclined surface b, hook 7, locking block 81, bayonet 82, support shaft 9, cutter teeth C. Specific embodiments

[0023] Next, the technical solutions in this embodiment will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0024] As Figures 1-9 shown, a cutter head structure of a hair clipper of the present utility model includes a main housing A, a stationary blade 1, a stationary blade mounting seat 2 for mounting the stationary blade, a moving blade 3, and a moving blade mounting seat 4 for mounting the moving blade and capable of driving the moving blade to swing synchronously. The moving blade 3 and the stationary blade 1 are both annular structures, and cutter teeth C are provided on the inner circles of the moving blade 3 and the stationary blade 1. The blade can also be a strip structure and perform linear reciprocation;

[0025] Specifically, the outer periphery of the stationary blade 1 and the inner wall of the stationary blade mounting seat 2 are cooperated by a locking block 81 and a bayonet 82. The locking block 81 is fixed or integrally provided on the stationary blade 1 or the stationary blade mounting seat 2, and the stationary blade 1 is snap-connected to the stationary blade mounting seat 2 by the locking block 81 being snapped into the bayonet 82;

[0026] Specifically, the stationary blade mounting seat 2 is connected to the main housing A by snap connection or screw connection. The center of the moving blade mounting seat 4 is rotationally connected to the main housing A through a support shaft 9. The support shaft 9 is in bearing fit with the moving blade mounting seat 4. The bottom surface of the moving blade mounting seat 4 further has a plurality of chutes 43 for inserting eccentric members. An elastic member 5 for applying an elastic thrust to the moving blade mounting seat 4 in the direction of the stationary blade 1 is provided between the main housing A and the moving blade mounting seat 4. The elastic member can be a spring or a spring piece. The main housing A and the moving blade mounting seat 4 also have convex columns for the spring to be sleeved thereon.

[0027] The moving blade 3 abuts against the stationary blade 1. The moving blade 3 is further pressed against the moving blade mounting seat 4 by a retaining ring 6. The retaining ring 6 is pressed on the outer ring of the moving blade 3. The outer periphery of the retaining ring 6 is in snap fit with the moving blade mounting seat 4 and can swing synchronously with the moving blade mounting seat 4. The outer periphery of the retaining ring 6 has a hook 7 buckled on the moving blade mounting seat 4. The stationary blade 1 is provided with an annular groove a1 or a flange a2 on the side facing the retaining ring 6. The corresponding flange a2 or groove a1 is provided on the retaining ring 6 or the moving blade 3. The flange a2 is integrally provided at the upper end of the retaining ring 6, or can be provided on the moving blade 3, or on the bottom surface of the stationary blade 1. The flange a2 is rotatably inserted into the groove a1 so that the stationary blade 1 and the moving blade 3 are coaxially arranged, and the retaining ring 6 and the moving blade 3 are also arranged coaxially. The inner side wall of the groove a1 or the outer side wall of the flange a2 has a guiding inclined surface b.

[0028] Specifically, there are a plurality of the elastic members 5, and they act on the outer periphery of the moving blade mounting seat 4 in the circumferential direction. The moving blade mounting seat 4 has a sunken storage chamber 41 for storing the cut hair. The outer periphery of the upper end of the storage chamber 41 has a flanging 42. The moving blade 3 abuts against the top surface of the flanging 42. The plurality of elastic members 5 are distributed on the outer periphery of the storage chamber 41 and abut against the bottom surface of the flanging 42. The chutes 43 and the support shaft 9 are provided on the bottom surface of the storage chamber 41. The main housing A has a through hole A1 corresponding to the chute 43.

[0029] During installation,

[0030] Install the stationary blade 1 on the stationary blade mounting seat 2 and perform snap fit.

[0031] Place the moving blade 3 on the flanging 42 of the moving blade mounting seat 4. Place the retaining ring 6 on the moving blade 3. Snap fit the outer periphery of the retaining ring 6 with the moving blade mounting seat 4, and the moving blade 3 is pressed between the retaining ring 6 and the flanging 42.

[0032] The moving blade mounting seat 4 is upwardly inserted into the inside of the stationary blade mounting seat 2, and the moving blade 3 is located below the stationary blade 1. A main housing A is further provided outside the moving blade mounting seat 4. The main housing A is fixedly installed with the stationary blade mounting seat 2, and the elastic member 5 is abutted between the flange 42 of the moving blade mounting seat 4 and the main housing A; and the flange a2 at the upper end of the retaining ring 6 is inserted into the groove a1 of the stationary blade 1.

[0033] During use, the eccentric member is inserted into the chute 43. The motor of the moving blade driving mechanism can drive the eccentric member to eccentrically rotate in the chute 43, thereby driving the moving blade mounting seat 4 to reciprocally swing around the support shaft 9. The moving blade 3 swings synchronously with the moving blade mounting seat 4 and can cooperate with the stationary blade 1 above to cut hair. The eccentric drive is a known design and has been disclosed in the background art.

[0034] In the present utility model, by providing a plurality of elastic members abutted against the outer periphery of the moving blade mounting seat, the moving blade mounting seat is uniformly stressed and is not easily inclined to one side, so that the moving blade can be well abutted and fitted with the stationary blade.

[0035] It should be noted that in the description of the present utility model, all directional indications (such as up, down, front, back...) are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the drawings). If this specific posture changes, then the directional indication also changes accordingly.

[0036] In addition, in the description of the present utility model, the meanings of "several" and "a plurality of" are at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0037] In the description of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "coupled", "connected", "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. The blade head structure of a hair clipper, comprising a main housing (A), a stationary blade (1), a stationary blade mounting seat (2) for mounting the stationary blade, a moving blade (3), and a moving blade mounting seat (4) for mounting the moving blade and capable of driving the moving blade to swing synchronously. The moving blade mounting seat (4) is rotatably mounted on the main housing (A). An elastic member (5) is provided between the main housing (A) and the moving blade mounting seat (4) to apply an elastic thrust to the moving blade mounting seat (4) in the direction of the stationary blade (1). The moving blade (3) abuts against the stationary blade (1), and it is characterized in that: The moving blade (3) is further pressed against the moving blade mounting seat (4) by a retaining ring (6), and the elastic members (5) are multiple and act on the outer periphery of the moving blade mounting seat (4) in the circumferential direction.

2. The cutter head structure of a hair clipper according to claim 1, characterized in that: The stationary blade (1) is provided with an annular groove (a1) or a flange (a2) on the side facing the retaining ring (6), and a corresponding flange (a2) or groove (a1) is provided on the retaining ring (6) or the moving blade (3), and the flange (a2) is rotatably inserted into the groove (a1).

3. The cutting head structure of a hair clipper according to claim 2, characterized in that: The inner side wall of the groove (a1) or the outer side wall of the flange (a2) has a guiding inclined surface (b).

4. The cutting head structure of a hair clipper according to claim 1 or 2 or 3, characterized in that: The retaining ring (6) is pressed on the outer ring of the moving blade (3), and the outer periphery of the retaining ring (6) is snap-fitted with the moving blade mounting seat (4) and can swing synchronously with the moving blade mounting seat (4).

5. The cutter head structure of a hair clipper according to claim 1 or 2 or 3, characterized in that: The outer periphery of the stationary blade (1) is snap-fitted with the inner wall of the stationary blade mounting seat (2).

6. The cutter head structure of a hair clipper according to claim 1 or 2 or 3, characterized in that: The moving blade mounting seat (4) has a sunken storage chamber (41) for storing the cut hair, and a flanging (42) is provided on the outer periphery of the upper end of the storage chamber (41). The moving blade (3) is pressed against the top surface of the flanging (42), and a plurality of elastic members (5) are distributed on the outer periphery of the storage chamber (41) and pressed against the bottom surface of the flanging (42).

7. The cutter head structure of a hair clipper according to claim 1 or 2 or 3, characterized in that: The center of the moving blade mounting seat (4) is rotatably connected to the main housing (A) through a support shaft (9). A plurality of chutes (43) for inserting eccentric members are further provided on the bottom surface of the moving blade mounting seat (4), and a through hole (A1) corresponding to the chutes (43) is provided on the bottom surface of the main housing (A).

8. The cutting head structure of a hair clipper according to claim 1 or 2 or 3, characterized in that: Both the moving blade (3) and the stationary blade (1) are of an annular structure, and cutter teeth (C) are provided on the inner rings of the moving blade (3) and the stationary blade (1).

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