Tool bit device with guide structure

Abstract

The utility model discloses a tool bit device with a guide structure, which comprises a fixed tool rest, a movable tool rest, a fixed blade, a movable blade and a torsion spring, the fixed blade is fixedly connected to the fixed tool rest, the movable blade is fixedly connected to the movable tool rest, and the torsion spring is fixedly mounted on the fixed tool rest. Elastic feet at the two ends of the torsion spring act on the movable knife rest or the movable blade so that the movable blade can be attached to the fixed blade, a guide shaft is fixedly installed on the fixed knife rest, the movable knife rest is provided with an installation base, and a guide groove matched with the guide shaft in a guiding mode is formed in the installation base so that the movable knife rest and the movable blade can transversely move in a reciprocating mode along the guide shaft. The guide shaft is arranged on the fixed knife rest, and the movable knife rest is arranged on the guide shaft in a sliding manner, so that the friction force generated when the movable knife rest transversely reciprocates is reduced, the service life of the knife head device is prolonged, in addition, the knife head device moves more smoothly, and compared with the existing design, the knife head device is more beneficial to trimming harder hair.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric clipper, especially a cutter head device with guiding structure. BACKGROUND

[0002] Electric clipper is an electric tool for repairing hair, which is widely used in people's life. The cutter head of the existing electric clipper, the motor of the electric clipper drives the moving blade to reciprocate relative to the fixed blade through the eccentric mechanism to realize the repair of hair. In order to keep the moving blade reciprocating transversely relative to the fixed blade, a transversely arranged guide groove is formed on the fixed holder, and a guide block is connected to the moving holder. The guide block and the guide groove are guided and limited to realize the transverse reciprocating movement of the moving blade relative to the fixed blade. The guide block is made of plastic material, which has a large friction when reciprocating in the guide groove of the fixed blade, causing serious wear of the guide block, thereby greatly shortening the service life of the cutter head device. In addition, the friction is large when reciprocating in the guide groove of the fixed blade, which is not conducive to trimming hard hair by the cutter head device. Therefore, it needs to be improved. SUMMARY

[0003] The utility model aims at providing a cutter head device with guiding structure, which sets a guide shaft on the fixed holder and slides the moving holder on the guide shaft, thereby reducing the friction when the moving holder reciprocates transversely, increasing the service life of the cutter head device, and making the cutter head device move more smoothly, which is more conducive to trimming hard hair compared with the existing design.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a cutter head device with guiding structure, comprising a fixed holder, a moving holder, a fixed blade, a moving blade and a torsional spring, the fixed blade is fixedly connected to the fixed holder, the moving blade is fixedly connected to the moving holder, the torsional spring is fixedly installed on the fixed holder, the elastic feet at both ends of the torsional spring act on the moving holder or the moving blade to make the moving blade adhere to the fixed blade, a guide shaft is fixedly installed on the fixed holder, the moving holder is provided with a mounting seat, a guide groove is arranged in the mounting seat and guided by the guide shaft, so that the moving holder and the moving blade can reciprocate transversely along the guide shaft.

[0005] Further, a storage cavity is arranged in the mounting seat, an oil storage block is fixedly installed in the storage cavity, the oil storage block is provided with a first through hole matched with the guide shaft, and the moving holder and the oil storage block installed in the moving holder can move synchronously along the guide shaft.

[0006] Further, the oil storage block is made of oil storage sponge.

[0007] Further, the front end of the fixed knife holder is provided with two horn portions, one of which is provided with an internally open blind hole with a hole diameter matched with the guide shaft, and the other is provided with a mounting hole including an internally mounted hole and an externally threaded hole, the guide shaft is mounted in the blind hole and the mounting hole, and a jackscrew is threadedly connected in the threaded hole to abut the other side of the guide shaft against the inner end face of the blind hole.

[0008] Further, the jackscrew is threadedly connected with the threaded hole, and the outer end face of the jackscrew is provided with a one-way groove or a cross groove for easy screwing.

[0009] Further, the other end of the movable knife holder away from the movable knife blade is provided with a limiting structure corresponding to the elastic feet of the two ends of the torsion spring, the limiting structure includes two limiting protrusions, and a limiting groove for limiting the elastic feet of the torsion spring is formed between the two limiting protrusions.

[0010] Further, the movable knife holder and the movable knife blade are provided with a position adjusting structure, the relative position between the movable knife blade and the movable knife holder is adjusted through the position adjusting structure, the position adjusting structure includes a mounting block, a nut member and a screw, the mounting block is arranged at the lower end of the movable knife blade, the mounting block is provided with a receiving groove, the nut member is rotationally mounted in the receiving groove, the movable knife holder is provided with a strip-shaped hole, the screw is threadedly connected with the nut member through the strip-shaped hole to fixedly connect the movable knife holder and the movable knife blade into one body, and the movable knife blade is provided with a second through hole for the screw to extend into.

[0011] Further, the lower end of the receiving groove is a strip-shaped groove, the lower end of the nut member is provided with a strip-shaped block matched with the strip-shaped groove, and the nut member is rotationally mounted in the receiving groove through the strip-shaped block and the strip-shaped groove.

[0012] Further, one end of the fixed knife blade corresponding to the movable knife blade is provided with a clearance space for transverse reciprocating movement of the mounting block.

[0013] Further, the position adjusting structure is provided with two groups and is symmetrically arranged on both sides of the movable knife holder.

[0014] In summary, the utility model has the following beneficial effects:

[0015] 1The knife head device of the utility model, by setting the guide shaft on the fixed knife holder and slidingly arranging the movable knife holder on the guide shaft, the friction when the movable knife holder reciprocates transversely is reduced, the service life of the knife head device is increased, and in addition, the knife head device moves more smoothly, so that it is more conducive to trimming harder hair compared with the prior art design.

[0016] 2. The cutter head device, the position adjusting structure is arranged on the movable cutter holder and the movable cutter blade in cooperation, the relative position between the movable cutter blade and the movable cutter holder is adjusted through the position adjusting structure, so that the position between the movable cutter blade and the fixed cutter blade is adjusted, and the hair length is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model.

[0018] Figure 2 It is the explosion drawing of the utility model.

[0019] Figure 3 It is the plan view of the utility model.

[0020] Figure 4 It is the B section view of the utility model. Figure 3 of the utility model.

[0021] Figure 5 It is the A section view of the utility model. Figure 3 of the utility model.

[0022] Figure 6 It is the structure schematic diagram of the mounting block of the utility model.

[0023] Figure 7 It is the structure schematic diagram of the movable cutter holder of the utility model.

[0024] In the drawing: 10, fixed cutter holder;11, horn part;12, top wire;20, movable cutter holder;21, mounting seat;211, guide groove;212, storage cavity;22, oil storage block;23, limiting structure;24, strip-shaped hole;30, fixed cutter blade;31, avoiding space;40, movable cutter blade;50, torsion spring;51, elastic foot;60, guide shaft;70, position adjusting structure;71, mounting block;711, containing groove;72, nut part;73, screw. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings.

[0026] As shown in Figures 1-7 A kind of cutter head device with guiding structure, including fixed cutter holder 10, movable cutter holder 20, fixed cutter blade 30, movable cutter blade 40 and torsion spring 50, above constitute the basic structure of the utility model.

[0027] The fixed blade 30 is fixedly connected to the fixed blade holder 10, the moving blade 40 is fixedly connected to the moving blade holder 20, the torsion spring 50 is fixedly installed on the fixed blade holder 10, the elastic feet 51 at both ends of the torsion spring 50 act on the moving blade holder 20 or the moving blade 40 to make the moving blade 40 adhere to the fixed blade 30, the fixed blade holder 10 is fixedly installed with a guide shaft 60, the moving blade holder 20 is provided with a mounting seat 21, the mounting seat 21 is provided with a guide groove 211 matched with the guide shaft 60 in a guiding mode, so that the moving blade holder 20 and the moving blade 40 can move transversely and reciprocally along the guide shaft 60, thereby ensuring the consistency of the repaired hair.

[0028] The cutter head device of the utility model, through setting guide shaft 60 on fixed blade holder 10 and slidingly setting moving blade holder 20 on guide shaft 60, thereby reduce the friction when moving blade holder 20 moves transversely and reciprocally, increase the service life of cutter head device, in addition, the cutter head device moves more smoothly, thereby compared with prior art design is more favorable to trim harder hair.

[0029] In some embodiments, the mounting seat 21 is provided with a storage cavity 212, the storage cavity 212 is fixedly installed with an oil storage block 22, the oil storage block 22 is provided with a first through hole matched with the guide shaft 60, the moving blade holder 20 and the oil storage block 22 installed in the moving blade holder 20 can move synchronously along the guide shaft 60, further, the oil storage block 22 adopts oil storage sponge, and the oil storage block 22 plays a lubricating role, so that the moving blade holder 20 moves more smoothly when moving transversely and reciprocally along the guide shaft 60, and the problem of jamming of the moving blade holder 20 when moving transversely and reciprocally is avoided.

[0030] In some embodiments, the front end of the fixed blade holder 10 is provided with two horn parts 11, one of the horn parts 11 is provided with a blind hole with an inner end opening, the hole diameter of the blind hole is matched with the guide shaft 60, the other horn part 11 is provided with a mounting hole, the mounting hole comprises an inner end mounting hole and an outer end threaded hole, the guide shaft 60 is installed in the blind hole and the mounting hole, a jackscrew 12 is threadedly connected in the threaded hole, the other side of the guide shaft 60 is abutted to the inner end face of the blind hole through the jackscrew 12, through the above setting, on the one hand, the fixed blade holder 10 is convenient to process, on the other hand, the guide shaft 60 is convenient to assemble.

[0031] Further, the outer periphery of the jackscrew 12 is threadedly connected with the threaded hole, the outer end face of the jackscrew 12 is provided with a T-shaped groove or a cross-shaped groove convenient to screw, and a tool can be used to screw the jackscrew 12 inward during assembly, so that the guide shaft 60 is fixedly installed at the position abutting to the inner end face of the blind hole.

[0032] In some embodiments, the other end of the moving tool holder 20 away from the moving blade 40 is provided with a limiting structure 23 corresponding to the elastic feet 51 of both ends of the torsion spring 50, the limiting structure 23 includes two limiting protrusions, and a limiting groove for limiting the elastic feet 51 of the torsion spring 50 is formed between the two limiting protrusions, so that the elastic feet 51 of the torsion spring 50 cannot be separated from the moving blade 40 during the transverse reciprocating movement of the moving blade 40, thereby causing the moving blade 40 to not be well attached to the fixed blade 30, and the limiting structure 23 can ensure that the elastic feet 51 of the torsion spring 50 are always pressed on the moving blade 40, thereby ensuring that the moving blade 40 is always attached to the fixed blade 30.

[0033] In some embodiments, the moving tool holder 20 is provided with a position adjusting structure 70 in cooperation with the moving blade 40, the relative position between the moving blade 40 and the moving tool holder 20 is adjusted by the position adjusting structure 70, the position adjusting structure 70 includes a mounting block 71, a nut member 72, and a screw 73, the mounting block 71 is arranged at the lower end of the moving blade 40, the mounting block 71 is provided with a receiving groove 711, the nut member 72 is rotationally mounted in the receiving groove 711, the moving tool holder 20 is provided with a strip-shaped hole 24, and the screw 73 is threadedly connected with the nut member 72 through the strip-shaped hole 24 to fixedly connect the moving tool holder 20 and the moving blade 40 as a whole, and the moving blade 40 is provided with a second through hole for the screw 73 to extend into.

[0034] The tool head device of the utility model, the position adjusting structure 70 is arranged at the moving tool holder 20 and the moving blade 40 in cooperation, the relative position between the moving blade 40 and the moving tool holder 20 is adjusted by the position adjusting structure 70, thereby the position between the moving blade 40 and the fixed blade 30 is adjusted, thereby the hair length is adjusted.

[0035] Further, the lower end of the receiving groove 711 is a strip-shaped groove, the lower end of the nut member 72 is provided with a strip-shaped block matched with the strip-shaped groove, the nut member 72 is rotationally mounted in the receiving groove 711 through the strip-shaped block and the strip-shaped groove, and through the arrangement, the nut member 72 is prevented from rotating when the screw 73 is assembled, thereby the assembly efficiency of the moving blade 40 and the moving tool holder 20 is improved.

[0036] Further, one end of the fixed blade 30 corresponding to the moving blade 40 is provided with an avoiding space 31 for the transverse reciprocating movement of the mounting block 71, and the mounting block 71 is prevented from interfering with the fixed blade 30 when moving transversely with the moving blade 40.

[0037] The position adjusting structure 70 is provided with two groups and is symmetrically arranged at the two sides of the moving tool holder 20, and through the arrangement of the two groups, the connection of the moving tool holder 20 and the moving blade 40 is more stable.

[0038] The above merely describes preferred embodiments of the present application, and thus equivalent changes or modifications made in accordance with the structure, features and principles described in the patent application scope of the present application are included in the patent application scope of the present application.

Claims

1. A cutter head device with a guide structure, comprising a fixed cutter holder (10), a movable cutter holder (20), a fixed blade (30), a movable blade (40) and a torsion spring (50), wherein the fixed blade (30) is fixedly connected to the fixed cutter holder (10), the movable blade (40) is fixedly connected to the movable cutter holder (20), the torsion spring (50) is fixedly mounted on the fixed cutter holder (10), and elastic legs (51) at both ends of the torsion spring (50) act on the movable cutter holder (20) or the movable blade (40) to make the movable blade (40) fit the fixed blade (30), characterized in that: A guide shaft (60) is fixedly mounted on the fixed blade holder (10), and a mounting seat (21) is provided on the movable blade holder (20). A guide groove (211) is provided in the mounting seat (21) and is matched with the guide shaft (60) so that the movable blade holder (20) and the movable blade (40) can move back and forth laterally along the guide shaft (60). The movable blade holder (20) and the movable blade (40) are provided with a position adjustment structure (70) in cooperation with each other, and the relative position between the movable blade (40) and the movable blade holder (20) is adjusted by the position adjustment structure (70). The position adjustment structure (70) comprises a mounting block (71), a nut member (72), and a screw (73). The mounting block (71) is provided at the lower end of the movable blade (40). The mounting block (71) is provided with a receiving groove (711). The nut member (72) is fixedly installed in the receiving groove (711). The movable blade holder (20) is provided with a strip hole (24). The screw (73) passes through the strip hole (24) and is threadedly connected to the nut member (72) to fix the movable blade holder (20) and the movable blade (40) together. The movable blade (40) is provided with a second through hole for the screw (73) to extend into.

2. The cutter head device with a guide structure according to claim 1, characterized in that: A storage chamber (212) is provided in the mounting seat (21), an oil storage block (22) is fixedly installed in the storage chamber (212), and the oil storage block (22) is provided with a first through hole adapted to the guide shaft (60). The movable tool holder (20) and the oil storage block (22) installed in the movable tool holder (20) can move synchronously along the guide shaft (60).

3. The cutter head device with a guide structure according to claim 2, characterized in that: The oil storage block (22) adopts an oil storage sponge.

4. The cutter head device with a guide structure according to claim 1, characterized in that: The front end of the fixed tool holder (10) is provided with two corner portions (11), one of which is provided with a blind hole with an inner end opening, the aperture of the blind hole being adapted to the guide shaft (60), and the other is provided with an assembly hole, the assembly hole comprising an inner end mounting hole and an outer end threaded hole, the guide shaft (60) being mounted in the blind hole and the assembly hole, the threaded hole being threadedly connected with a top screw (12), and the other side of the guide shaft (60) being pressed against the inner end surface of the blind hole by the top screw (12).

5. The cutter head device with a guide structure according to claim 4, characterized in that: The outer periphery of the top screw (12) is threadedly connected to the threaded hole, and the outer end surface of the top screw (12) is provided with a slot or a cross slot for easy screwing.

6. The cutter head device with a guide structure according to claim 1, characterized in that: The other end of the movable blade holder (20) away from the movable blade (40) is provided with a limiting structure (23) corresponding one-to-one to the elastic legs (51) at both ends of the torsion spring (50), and the limiting structure (23) includes two limiting protrusions, and a limiting groove for limiting the elastic legs (51) of the torsion spring (50) is formed between the two limiting protrusions.

7. The cutter head device with a guide structure according to claim 1, characterized in that: The lower end of the accommodating groove (711) is a strip groove, and the lower end of the nut member (72) is provided with a strip block adapted to the strip groove, and the nut member (72) is fixed in the accommodating groove (711) by the strip block and the strip groove.

8. The cutter head device with a guide structure according to claim 1, characterized in that: An escape space (31) for the installation block (71) to move back and forth laterally is provided at one end of the fixed blade (30) corresponding to the movable blade (40).

9. The cutter head device with a guide structure according to claim 1, characterized in that: The position adjustment structures (70) are provided in two groups and are symmetrically arranged on both sides of the movable tool holder (20).

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