Blade head structure of reciprocating shaver

Abstract

A blade head structure of a reciprocating shaver comprises a shaver head support, the bottom of the shaver head support and a shaver head bottom plate are fixed to form a blade assembly installation cavity, and the top of the shaver head support is provided with a blade hole for a blade assembly to penetrate out; a plurality of groups of blade assemblies which are distributed in parallel are fixed at the top of the tool bit bottom plate; the cutter is characterized in that the blade assembly comprises a movable cutter made of a relatively thick material, and holes or grooves for cutting are distributed in the surface of the movable cutter; the knife net is made of a relatively thin material, and holes into which beards extend are distributed in the surface of the knife net; a movable cutter is fixed at the top of the inner bracket; the inner bracket is fixed on the upper part of the outer bracket in an elastic floating manner; finally, the knife net is arranged on the movable knife in a sleeving mode and fixedly connected with the outer support to form a blade assembly, a user can disassemble and clean the shaver conveniently, the multiple sets of independent blade assemblies are better attached to the skin, short beards and long beards can be shaved, and the shaving efficiency is high.

Description

Technical Field

[0001] The invention relates to a razor, in particular to a blade head structure of a reciprocating razor. Background Art

[0002] The existing reciprocating blade head generally adopts a separate structure, specifically, the moving blade and the fixed blade (mesh) for shaving are respectively on two independent structures, which form a shaving system after being combined. The biggest problem with this structure is the potential safety hazard and the inconvenience in cleaning the beard. When cleaning the stubble, the fixed blade (mesh) must be removed, so that the moving blade is exposed. The moving blade is very sharp and can easily cause mechanical damage to personnel. It is also inconvenient to clean the stubble. In addition, the reciprocating shaving systems on the market mostly adopt a two-blade head structure and all of them are mesh blade structures. In this way, only relatively short beards can be shaved, and the two-blade shaving efficiency is slow. This is a pain point of reciprocating razors on the market today. Therefore, the market needs a multi-piece reciprocating blade structure assembly and blade arrangement to solve this problem.

[0003] Upon investigation, a Chinese patent with patent number CN202221727609.5 discloses a reciprocating razor head, including a head shell, one or more razor unit assemblies mounted on the head shell, the razor unit assembly includes at least one side blade unit assembly mounted against the inner side wall of the shell, the long beard inlet slots on the skin-friendly cutting area of ​​the outer static blade of the side blade unit assembly are arranged horizontally in multiple rows, and the several long beard inlet slots in the row closest to the inner side wall of the shell are long beard inlet slots opening outward, and the several long beard inlet slots in the adjacent rows are short beard inlet slots, which are arranged at the junction of the horizontal surface and the vertical surface of the outer static blade, and the moving blade cutting edge of the side blade unit assembly corresponding to the long beard inlet slot is a comb-tooth type. The long and short beard inlet slots are very reasonably distributed, so that the long beard is a large cutting channel when cutting or after entering the blade head, which greatly improves the shaving skin feel. It can shave all the beards at one time without frequent sweeping and shaving at the same position. Summary of the invention

[0004] The present invention mainly proposes a blade head structure of a reciprocating razor in response to the prior art. A plurality of independent blade assemblies are respectively fixed on a bracket assembly, which is convenient for users to disassemble and clean. The plurality of independent blade assemblies fit the skin better, so that both short and long beards can be shaved with high shaving efficiency.

[0005] The technical solution of the present invention is: a blade head structure of a reciprocating razor, comprising:

[0006] A cutter head bracket, the bottom of which is fixed to the cutter head bottom plate to form a blade assembly installation cavity, and the top is provided with a blade hole for the blade assembly to pass through;

[0007] A cutter head base plate, with multiple sets of parallel blade assemblies fixed on the top;

[0008] It is characterized in that the blade assembly includes:

[0009] A movable knife is made of relatively thick material and has holes or grooves on its surface for cutting;

[0010] A knife net is made of relatively thin material with holes distributed on the surface for the beard to enter;

[0011] An inner bracket, the top of which is fixed with a moving knife;

[0012] An outer bracket, the upper part of which elastically and floatingly fixes the inner bracket;

[0013] Finally, the knife net is mounted on the movable knife and connected and fixed with the outer bracket to form a blade assembly.

[0014] Further improvement: Fixed blocks are provided at the edges around the top of the cutter head base plate, and corresponding card grooves are provided on the inner wall of the cutter head bracket to achieve card connection.

[0015] Further improvement: Fixed columns are arranged in rows on the left and right sides of the top of the cutter head base plate inside the fixed block, and the fixed columns are sleeved with rebound springs, so that the rebound springs are supported between the cutter head base plate and the outer bracket to increase the rebound fitting ability.

[0016] Further improvement: The cross section of the movable knife is inverted U-shaped, and the surface of the movable knife is distributed with strip holes or grooves with shearing angles, the width of the strip holes or grooves is between 0.3 mm and 0.5 mm, and the shearing angle is between 30° and 45°.

[0017] Further improvement: the strip holes or grooves are rectangular in shape and are distributed in parallel and at intervals.

[0018] Further improvement: a fixing hole is provided on the outer wall of the lower part of the movable knife, and a fixing block or a riveting block is provided on the outer wall of the corresponding inner bracket, and the movable knife is fixed by a clamping or riveting connection.

[0019] Further improvement: a positioning hole is provided on the outer wall of the lower part of the movable knife, and a positioning block is provided on the outer wall of the corresponding inner bracket for installation and positioning.

[0020] Further improvement: the cross-section of the knife net is inverted U-shaped, the surface of the movable knife is distributed with mesh holes or strip holes, and a fixing hole is provided on the outer wall of the lower part of the knife net, and a fixing block or a riveted block is provided on the outer wall of the corresponding external bracket, which is fixed by clamping or riveting.

[0021] Further improvement: a positioning hole is provided on the outer wall of the lower part of the movable knife, and a positioning block is provided on the outer wall of the corresponding inner bracket for installation and positioning.

[0022] Further improvement: the cross-section of the knife net is inverted U-shaped, the surface of the movable knife is distributed with mesh holes or strip holes, and a fixing hole is provided on the outer wall of the lower part of the knife net, and a fixing block or a riveted block is provided on the outer wall of the corresponding external bracket, which is fixed by clamping or riveting.

[0023] Further improvement: the outer bracket is U-shaped, so that the middle concave part accommodates the inner bracket, and the left and right sides between the inner bracket and the outer bracket support a moving knife spring for floating the moving knife.

[0024] Further improvement: A hollow portion is provided in the middle of the outer bracket and the inner bracket to facilitate the collection of fallen beards.

[0025] Finally: the parallel distribution is that the middle one is a relatively thick metal moving knife with strip-shaped holes, and the other two side knives use a relatively thin metal knife net with mesh holes, or the opposite distribution.

[0026] Compared with the prior art, the advantages of this product are: the knife net, movable knife, inner and outer brackets, and movable knife spring are integrated into an integral whole and then respectively installed in the knife head base plate, and then buckled with the knife head bracket to form a knife head component, which becomes a knife head part of the product. This knife head shaving system has five independent blade assemblies. The middle knife net adopts thicker metal blades with circular or flat rectangular holes. The other knife nets are composed of mesh blades as an integral combination. In this way, both short and long beards can be shaved, and the shaving efficiency is high. It is also convenient to clean beard residues, and it is not easy to hurt fingers, which is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional schematic diagram of the present invention,

[0028] Figure 2 It is a partial structure explosion diagram of the present invention,

[0029] Figure 3 It is a schematic diagram of the structure explosion of the present invention,

[0030] Figure 4 This is an exploded bottom view of the structure of the present invention.

[0031] Figure 5 This is a schematic diagram of an exploded top view of the structure of the present invention.

[0032] Figure 6 It is a three-dimensional cross-sectional view of the structure of the present invention.

[0033] In the figure, 1, cutter head bracket, 2, cutter head base plate, 3, blade assembly installation cavity, 4, blade hole, 5, blade assembly, 6, moving knife, 7, knife net, 8, inner bracket, 9, outer bracket, 10, fixed block, 11, fixed column, 12, rebound spring, 13, strip hole, 14, mesh hole, 15, fixed hole, 16, fixed block, 17, positioning port, 18, positioning block, 19, concave part, 20, moving knife spring, 21, hollow part, 22, slot. DETAILED DESCRIPTION

[0034] The following is a further detailed description of the implementation methods of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The present invention is further described in detail below with reference to the accompanying drawings.

[0037] according to Figures 1 to 6 , a blade head structure of a reciprocating razor, comprising: the bottom of a blade head support 1 is fixed to a blade head base plate 2 to form a blade assembly installation cavity 3, and a blade hole 4 is provided on the top for the blade assembly 5 to pass through; five groups of blade assemblies 5 distributed in parallel are fixed on the top of the blade head base plate 2; the key point of the invention is that the blade assembly 5 comprises: a movable knife 6 is made of a relatively thick material, and has holes or grooves for cutting on the surface; a knife net 7 is made of a relatively thin material, and has holes for beards to extend into on the surface; the movable knife 6 is fixed on the top of an inner bracket 8; the inner bracket 8 is fixed elastically and floatingly on the upper part of an outer bracket 9; finally, the knife net 7 is sleeved on the movable knife 6 and connected and fixed to the outer bracket 9 to form a blade assembly 5.

[0038] The overall outline of the cutter head base plate 2 is roughly rectangular, and fixed blocks 10 are provided at the edges of the top and the periphery thereof. Four fixed blocks 10 are usually used, which are distributed at the upper, lower, left and right positions. The inner wall of the corresponding cutter head bracket 1 is provided with four card slots 22, which are also distributed at the upper, lower, left and right positions, to achieve a card connection between the two. Five fixed columns 11 are arranged in a row on the inner side of the fixed blocks 10 on the left and right sides of the top of the cutter head base plate 2. The fixed columns 11 are sleeved with a rebound spring 12, so that the rebound spring 12 is supported between the cutter head base plate 2 and the outer bracket 9, thereby increasing the rebound ability of the blade assembly 5 and its ability to fit the user's skin.

[0039] The cross section of the movable knife 6 is inverted U-shaped, and the surface of the movable knife 6 is distributed with strip holes 13 or grooves with shearing angles. The present embodiment adopts a strip hole 13 structure, and the width of the strip hole 13 or groove is between 0.3 mm and 0.5 mm, and the shearing angle is between 30° and 45°. The shape of the strip holes 13 or grooves is preferably rectangular, and they are distributed in parallel and spaced to meet the user's shaving sharpness requirements. The outer wall of the lower part of the movable knife 6 is provided with fixing holes 15, which can usually be multiple in a row; the outer wall of the corresponding inner bracket 8 is provided with a fixing block 16 or a rivet block, which is fixed together by clamping or riveting. The outer wall of the lower part of the movable knife 6 is provided with a positioning port 17, which can usually be two in a row, distributed on the left and right sides, and the outer wall of the corresponding inner bracket 8 is provided with two positioning blocks 18, which form a row and are distributed on the left and right sides, so as to facilitate the installation and positioning of the two.

[0040] The cross section of the knife net 7 is inverted U-shaped, and the surface of the knife net 7 is distributed with mesh holes 14 or strip holes 13. In addition, a fixing hole 15 is provided on the outer wall of the lower part of the knife net 7, and a fixing block 16 or a rivet block is provided on the outer wall of the corresponding outer bracket 9, which is fixed by clamping or riveting.

[0041] The outer bracket 9 is U-shaped, so that the middle concave part 19 accommodates the inner bracket 8, and supporting positioning columns 23 are provided on the left and right sides between the inner bracket 8 and the outer bracket 9. The outer wall of the support column 23 is sleeved with a movable knife spring 20 for floating the movable knife. The movable knife spring 20 is supported between the inner bracket 8 and the outer bracket 9, so that the inner bracket 8 always maintains an upward floating trend, increasing the fit of the blade assembly 5 to the user's skin. A hollow portion 21 is provided in the middle of the outer bracket 9 and the inner bracket 8 to facilitate the collection of fallen beards and prevent fallen beard residues from affecting the user's experience. When the user actively removes the blade head bracket 1, the movable knife 6 remains on the inner bracket 8 and is protected by the blade net 7 on the outer bracket 9. There is no sharp blade on the blade head bracket 1, so that no mechanical damage will be caused and the beard residue can be easily cleaned. In addition, because the middle of the outer bracket 9 and the inner bracket 8 is provided with a hollow portion 21, the beard residue falls on the top of the electric shaver body after falling off. After the blade head structure is removed, it can be cleaned with a brush, which can effectively avoid the movable blade 6 from accidentally injuring the fingers, thereby improving the safety of use. The blade assembly 5 is arranged in parallel, with the middle being a relatively thick metal movable blade 6 with strip holes 13, and the other two side blades using a relatively thin metal blade net 7 with mesh holes, or the opposite distribution, which can shave both short and long beards, and has high shaving efficiency, meeting the user's troubles with existing razors.

[0042] In this embodiment, the bottom of the movable blade 6 extends downward with a clamping foot structure connected to the driving shaft of the driving device, the blade bracket 1 is detachably connected to the shaver body and other structures not fully described all adopt traditional technical means and will not be described in detail here.

[0043] When workers install this product: first, the movable knife 6 is clamped or riveted on the inner bracket 8, and then the movable knife spring 20 is fixed on the positioning columns 23 on both sides of the inner bracket 8, and then the inner bracket 8 is assembled on the outer bracket 9 as a whole, and finally the knife net 7 and the outer bracket 9 are riveted and assembled as a whole through the tooling, so as to form an independent blade assembly 5. After that, the independent blade assemblies 5 are assembled in the corresponding positions of the cutter head bracket 1 according to the arrangement method, and the fixed columns 11 of each blade assembly 5 have a rebound spring 12 to cooperate with it, so that the assembled knife can float up and down, and finally, the cutter head bracket 1 is buckled and assembled with the cutter head bottom plate 2, so as to form a complete cutter head shaving component.

Claims

1. A blade head structure of a reciprocating razor, comprising: A cutter head bracket, the bottom of which is fixed to the cutter head bottom plate to form a blade assembly installation cavity, and the top is provided with a blade hole for the blade assembly to pass through; A cutter head base plate, with multiple sets of parallel blade assemblies fixed on the top; Features The blade assembly comprises: A movable knife is made of relatively thick material and has holes or grooves on its surface for cutting; A knife net is made of relatively thin material with holes distributed on the surface for the beard to enter; An inner bracket, the top of which is fixed with a moving knife; An outer bracket, the upper part of which elastically and floatingly fixes the inner bracket; Finally, the knife net is mounted on the movable knife and connected and fixed with the outer bracket to form a blade assembly.

2. The blade head structure of a reciprocating razor according to claim 1, characterized in that: Fixed blocks are arranged on the edges around the top of the cutter head base plate, and correspondingly, a card slot is arranged on the inner wall of the cutter head bracket to realize the card connection.

3. The blade head structure of a reciprocating razor according to claim 2, characterized in that: The left and right sides of the top of the cutter head base plate are distributed in rows on the inner side of the fixed block, and the fixed columns are sleeved with rebound springs, so that the rebound springs are supported between the cutter head base plate and the outer bracket to increase the rebound fitting ability.

4. The blade head structure of a reciprocating razor according to claim 1, characterized in that: The cross section of the movable knife is inverted U-shaped, and the surface of the movable knife is distributed with strip holes or grooves with shearing angles. The width of the strip holes or grooves is between 0.3 mm and 0.5 mm, and the shearing angle is between 30° and 45°.

5. The blade head structure of a reciprocating razor according to claim 4, characterized in that: The strip holes or grooves are rectangular in shape and are distributed in parallel and at intervals.

6. The blade head structure of a reciprocating razor according to claim 5, characterized in that: A fixing hole is arranged on the outer wall of the lower part of the movable knife, and a fixing block or a riveting block is arranged on the outer wall of the corresponding inner bracket, and the movable knife is fixed by a clamping or riveting connection.

7. The blade head structure of a reciprocating razor according to claim 6, characterized in that: A positioning opening is arranged on the outer wall of the lower part of the movable knife, and a positioning block is arranged on the outer wall of the corresponding inner bracket for installation and positioning.

8. The blade head structure of a reciprocating razor according to claim 1, characterized in that: The cross section of the knife net is inverted U-shaped, and mesh holes or strip holes are distributed on the surface of the movable knife. In addition, a fixing hole is provided on the outer wall of the lower part of the knife net, and a fixing block or a riveted block is provided on the outer wall of the corresponding outer bracket, which is fixed by clamping or riveting connection.

9. The reciprocating blade head structure according to claim 1, characterized in that: The outer bracket is U-shaped, so that the inner bracket is accommodated in the middle concave part, and the movable knife spring for floating the movable knife is supported on the left and right sides between the inner bracket and the outer bracket.

10. The blade head structure of a reciprocating razor according to claim 1, characterized in that: The middle parts of the outer bracket and the inner bracket are provided with hollow parts to facilitate the collection of fallen beards; the parallel distribution is that the middle one is a relatively thick metal movable knife with strip holes, and the other two side knives use a relatively thin metal knife net with mesh holes, or the opposite distribution.

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