CN117733918A - A razor head - Google Patents

Abstract

The invention discloses a razor head, which is inspired by the structure principle of the razor head, the original part is modified by adding a protective cover part, a new razor head structure principle is formed, and the structure principle has the characteristics of the razor head, and the razor head comprises: the device comprises a fixed cutter, a fixed cutter holder, a movable cutter, a parallel support, a movable cutter holder, a cutter head spring, a protective cover and a fastener; the parallel support can drive the movable cutter to move forwards and backwards to achieve the effect of adjusting the tooth pitch, the fixed cutter is matched with the protective cover to form an integral protective sleeve, the top end of the protective sleeve, which is contacted with beard or skin, is an arc-shaped curved surface, and the cutter teeth are hidden in the protective sleeve to give people the sense of safety; therefore, a complete novel shaver head capable of performing parallel reciprocating motion, adjusting tooth pitch, hiding cutter teeth, shearing, shaping and carving the beard is formed, different requirements of users are met, and the shaver head is reasonable in design and simple in structure.

Description

A razor head

Technical field

The present invention belongs to the technical field of razors, and specifically relates to a razor head.

Background technique

With the increasing quality of life, razors have become a necessity for men's daily life. However, they no longer meet the simple shaving function. The more common electric razor products currently on the market include rotary razors and reciprocating razors. razors, however, the function of these razor heads is relatively simple and can only shave clean beards. Due to the structure of the existing razor heads, it is impossible to carve, shape and control the length of beards, and It is also prone to stuck beards, scratches, etc., resulting in a poor user experience. Therefore, there is an urgent need to design a razor head that can solve one or more of the above problems.

Contents of the invention

In order to solve one or more problems existing in the prior art, the present invention provides a razor head.

Inspired by the structural principle of the hair clipper head, by adding protective cover components and transforming the original parts, a new razor head structural principle is formed, and this structural principle has the characteristics of the hair clipper head;

The cutter head includes: a fixed cutter, a fixed cutter holder, a movable cutter, a parallel bracket, a movable cutter holder, a cutter head spring, a protective cover, and a fastener. The cutter head is provided with the cutter head spring. The spiral end of the spring is connected to the parallel bracket, and the other end is connected to the movable knife holder. One side of the movable knife holder is connected to the parallel bracket, and the other side is buckled with the movable knife, and slides along the parallel bracket with the movable knife. The bottom surface of the parallel bracket is in contact with the protective cover, and the other side is connected to the fixed tool holder, and the fixed tool holder is connected to the fixed knife through a fastener;

Among them, the parallel bracket modification, in cooperation with other components, can drive the movable knife to move forward and backward to achieve the effect of adjusting the tooth pitch, thereby controlling the length of shaving;

Wherein, the fixed blade and the protective cover cooperate with each other to form an integral protective sleeve. The top of the protective sleeve that contacts the beard or skin is an arc-shaped surface, and the blade teeth are hidden inside, giving people a sense of security;

Thereby forming a complete razor head that can move in parallel reciprocating motion, adjust the tooth pitch, and hide the blade teeth.

In some embodiments, the cutter head spring is provided with a spiral that is embedded in a parallel bracket. The spiral extends a spring arm and a spring buckle. One end of the spring arm away from the spiral is fully or partially embedded in the movable tool holder, so that the movable blade can move The knife presses toward the fixed knife, and the spring buckle is locked by the parallel bracket, and the parallel bracket is provided with a stop to prevent spiral movement.

In some embodiments, the movable knife holder is provided with several clamping blocks and guide rail bars. The clamping blocks fasten the movable knife. The guide rail bars are embedded in the parallel brackets and can slide along the parallel brackets to drive the movable knife. slide.

In some embodiments, the parallel brackets are respectively provided with adjustment holes, adjustment blocks, adjustment screws, and adjustment springs. The adjustment holes match the adjustment screws, and the adjustment block prevents the adjustment screws from passing through the adjustment holes. Disengaged from the parallel bracket, the fixed tool holder is provided with a control hole, which just accommodates one end of the adjustment screw. The control hole is provided with a wire trough, and the wire trough is just large enough to abut one end of the adjustment spring. The adjustment spring is wound around the adjustment screw. To control the retraction of the parallel bracket.

In some embodiments, the parallel bracket is provided with a slide bar, and the fixed tool holder is provided with a chute and a limit block respectively. The chute cooperates with the slide bar, and the limit block prevents the parallel bracket from retreating. Detach from the fixed tool holder.

In some embodiments, the movable knife is provided with movable cutter teeth, which are in contact with the fixed knife to form cross shearing. The movable knife is provided with positioning bumps that slide on one side of the fixed knife, and the movable knife is provided with a movable knife hole.

In some embodiments, the fixed knife is provided with a fixed knife hole, a fixed knife groove, a fixed knife tooth and an arc texture. The fixed knife teeth and the arc texture form a smooth whole, and the arc texture is entirely It is a fully rounded corner with no edges or edges. The arc texture is equipped with a texture channel and a texture convex surface. From the fixed blade teeth to the middle part of the fixed blade, smooth texture channels are formed, which have the function of guiding hair. The middle part of the fixed blade is At the end, it forms a smooth surface with the textured convex surface, and the fixed tool holder is partially or completely embedded in the fixed tool slot, and the fixed tool holder is fixed to the fixed tool holder through the fixed tool hole using fasteners.

In some embodiments, the protective cover is provided with arcuate shading from the top to the middle to form a smooth whole. The arcuate shading is all fully rounded with no edges or edges. The arcuate shading is provided with There are shading channels and shading convex surfaces. The smooth shading channels are arranged. The middle part of the protective cover and the bottom end of the protective cover form a smooth surface with the shading convex surfaces, thus forming a protective sheath with a hair-guiding shearing function together with the fixed knife. .

The beneficial effects of the present invention are: the present invention is inspired by the structural principle of the hair clipper head. By adding protective cover components and transforming the original components, a new shaver head structural principle is formed, and the structural principle has the characteristics of a hair clipper. Characteristics of the cutter head; the cutter head includes: a fixed cutter, a fixed cutter holder, a movable cutter, a parallel bracket, a movable cutter holder, a cutter head spring, a protective cover, and a fastener. The cutter head is equipped with a cutter head spring. The spiral end of the head spring is connected to the parallel bracket, and the other end is connected to the movable knife holder. One side of the movable knife holder is connected to the parallel bracket, and the other side is engaged with the movable knife, and slides along the parallel bracket with the movable knife. The bottom surface of the parallel bracket is in contact with The other side of the protective cover is connected to the fixed tool holder, and the fixed tool holder is connected to the fixed knife through fasteners. Among them, the parallel bracket modification and cooperation with other components can drive the movable knife to move forward and backward to achieve the effect of adjusting the tooth pitch, thereby controlling the length of shaving; among them, the fixed knife and the protective cover cooperate with each other to form an integral protective sleeve , the top of the protective cover that contacts the beard or skin is an arc-shaped surface, and the knife teeth are hidden inside, giving people a sense of security; thus forming a complete parallel reciprocating motion, adjustable tooth spacing, and hiding the knife teeth Razor head. It can achieve parallel reciprocating cutting, shaping, engraving and beard length adjustment to meet the different needs of users, with reasonable design and simple structure.

Description of drawings

FIG1 is a schematic diagram of an explosion structure of a preferred embodiment of the present invention;

Figure 2 is a schematic structural diagram of the cutter head spring and the movable tool holder according to the preferred embodiment of the present invention;

Figure 3 is a schematic structural diagram of the cutter head spring and parallel bracket according to the preferred embodiment of the present invention;

Figure 4 is a schematic structural diagram of the movable tool holder according to the preferred embodiment of the present invention;

Figure 5 is a schematic diagram of the exploded structure of the parallel bracket and fixed tool holder according to the preferred embodiment of the present invention;

Figure 6 is a schematic structural diagram of the parallel bracket and fixed tool holder according to the preferred embodiment of the present invention;

Figure 7 is a schematic structural diagram of the fixed knife and the movable knife according to the preferred embodiment of the present invention;

Figure 8 is a schematic structural diagram of the cutter head, fixed cutter and protective cover according to the preferred embodiment of the present invention.

In the picture:

10. Knife head;

20. Fixed knife; 21. Fixed knife hole; 22. Fixed knife groove; 23. Fixed knife blocking wall; 24. Fixed knife teeth; 25. Arc texture; 251. Texture channel; 252. Textured convex surface;

30. Fixed tool holder; 31. Control hole; 311. Wire trough; 32. Slide; 33. Limit block;

40. Moving knife; 41. Moving knife hole; 42. Moving knife teeth; 43. Positioning bump;

50. Parallel bracket; 51. Adjustment hole; 511. Adjustment block; 512. Adjustment screw; 513. Adjustment spring; 52. Guide rail groove; 53. Spiral groove; 531. Locking block; 532. Stopper; 54. Slider ;

60. Movable tool holder; 61. Clamp block; 62. Guide rail bar;

70. Knife head spring; 71. Spiral; 72. Spring arm; 73. Spring buckle;

80. Protective cover; 81. Arc shading; 811. Shading channel; 812. Shading convex surface;

90. Fasteners.

Implementation

In order to make the above objects, features and advantages of the present invention easier to understand, specific implementation modes of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, the present invention can be implemented in many other ways different from those described here. Those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

In the drawings of this embodiment, the same or similar numbers correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", "right", The orientations or positional relationships indicated by "forward", "reverse", "front", "back", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or It is implied that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationships in the drawings are only for illustrative purposes and shall not be construed as limitations of the patent. For those of ordinary skill in the art, For technical personnel, the specific meanings of the above terms can be understood according to specific circumstances.

As shown in Figures 1-8, the present invention provides a razor head, which is characterized in that the razor head:

Inspired by the structural principle of the hair clipper head, by adding 80 parts of the protective cover and transforming the original parts, a new shaver head structural principle is formed, and this structural principle has the characteristics of the hair clipper head;

The cutter head 10 includes: a fixed cutter 20, a fixed cutter holder 30, a movable cutter 40, a parallel bracket 50, a movable cutter holder 60, a cutter head spring 70, a protective cover 80, and a fastener 90. The cutter head 10 is provided with The knife head spring 70 has a spiral end connected to the parallel bracket 50 and the other end connected to the movable knife rest 60. One side of the movable knife rest 60 is connected to the parallel bracket 50 and the other side is buckled with the knife head spring 70. The movable knife 40 slides along the parallel bracket 50 with the movable knife 40. The bottom surface of the parallel bracket 50 abuts the protective cover 80, and the other side is connected to the fixed knife holder 30. The fixed knife holder 30 is connected through a fastener 90. Knife 20.

Among them, the parallel bracket 50 is modified and cooperates with other components to drive the movable knife 40 to move forward and backward to achieve the effect of adjusting the tooth pitch, thereby controlling the length of shaving;

Wherein, the fixed blade 20 and the protective cover 80 cooperate with each other to form an integral protective sleeve. The top of the protective sleeve that contacts the beard or skin is an arc-shaped surface, and the blade teeth are hidden inside, giving people a sense of security;

Thereby forming a complete razor head that can move in parallel reciprocating motion, adjust the tooth pitch, and hide the blade teeth.

Specifically, the movable tool holder 60 locks the movable knife 40. The movable tool holder 60 is provided with a guide rail bar 62. The guide rail bar 62 is embedded in the guide rail groove 52 of the parallel bracket and can slide along the guide rail groove 52. The knife head spring 70 One end is fully or partially embedded in the movable knife holder 60, and the movable knife 40 is pressed toward the fixed knife 20, thereby driving the movable knife 40 to perform parallel reciprocating motion, forming cross shearing with the fixed knife 20, and generating shearing force. The parallel bracket 50 has an adjustment hole 51. The fixed tool holder 30 is provided with a control hole 31. The adjustment spring 513 is wrapped around the adjustment screw 512. One end of the adjustment screw 512 passes through the adjustment hole 51 to reach the control hole 31. The adjustment screw 512 is twisted to achieve parallelism. The bracket 50 moves forward and backward to change the tooth length between the fixed knife 20 and the movable knife 40, thereby realizing the adjustment of the beard length by the cutter head.

It should be noted that the blade teeth are linear when they contact the beard, and at the same time, the length between the blade teeth can be controlled. At the same time, the top end of the protective cover 80 and the fixed blade 20 have the function of fixing the blade teeth, so no matter in any direction, As long as the beard enters the teeth of the channel at the top of the cutter head 10, it can be cut, so that the beard can be shaped and sculpted.

In some embodiments, the cutter head spring 70 is provided with a spiral 71 embedded in the parallel bracket 50 . The spiral 71 extends a spring arm 72 and a spring buckle 73 . One end of the spring arm 72 away from the spiral is fully or partially embedded. The movable knife rest 60 is moved in, so that the movable knife 40 is pressed against the fixed knife 20. The spring buckle 73 is locked by the parallel bracket 50, and the parallel bracket 50 is provided with a stopper 532 to prevent the screw 71 from moving.

Specifically, the spring arm 72 needs to be straight. In order to better press the movable knife 40 to the fixed knife 20, a bent portion is provided between the spiral 71 of the knife head spring 70 and the spring arm. And the bending part arranged between the spiral 71 and the spring buckle 73 makes the spring arm 71 have better elastic recovery force during movement and is more lightweight. At the same time, the length of the spring arm 72 is consistent, and the force is equal, and the spring arm 72 is parallel. width, and the spiral 71 is built into the spiral groove 53 of the parallel tool holder, the spring buckle 73 is locked by the locking block 531 of the parallel bracket, and at the same time, the parallel bracket 50 is provided with a stopper 532. When the protective cover 80 is installed, the protective cover 80 The inner surface is in contact with the parallel bracket 50, so that the spiral 71 cannot move in any direction, and it also has a certain elastic restoring force.

Further, when the cutter head is working, since the end of the spring arm 72 away from the spiral is fully or partially embedded in the movable tool holder 60, the clamping block 61 of the movable tool holder locks the movable knife 40, and the guide rail bar 62 of the movable tool holder is embedded in the movable tool holder 60. The guide rail groove 52 of the parallel bracket is parallel to the guide rail groove 52 of the bracket. Therefore, the movable knife 40 makes a parallel reciprocating motion on the fixed knife 20 along the guide rail groove 52, so that a cross shearing action is formed between the teeth of the movable fixed knife. When there is a beard between them, The teeth of the movable knife are resisted by the beard during the movement, causing the movable knife 40 to lift upward. The cutter head spring 70 is affected by the force of the movable knife 400 and generates a corresponding elastic restoring force to offset the force of the movable knife 40, and in the elastic state Under the restoring force, the movable knife 40 is pressed down, so that the movable knife 40 can only make parallel reciprocating motion along the guide rail groove 52 and cannot move in other directions.

In some embodiments, the movable knife holder 60 is provided with several clamping blocks 61 and guide rail bars 62. The clamping blocks 61 fasten the movable knife 40. The guide rail bars 62 are embedded in the parallel bracket 50 and can be moved along the parallel bracket 50. The parallel bracket 50 slides, thereby driving the movable knife 40 to slide.

In some embodiments, the parallel bracket 50 is respectively provided with an adjustment hole 51, an adjustment block 511, an adjustment screw 512, and an adjustment spring 513. The adjustment hole 51 matches the adjustment screw 512, and the adjustment block 511 prevents The adjusting screw 512 passes through the adjusting hole 51 and is separated from the parallel bracket 50. The fixed tool holder 30 is provided with a control hole 31, which just accommodates one end of the adjusting screw 512. The control hole 31 is provided with a wire trough 311, and the size of the wire trough can be exactly the same as that of the adjusting screw 512. One end of the adjustment spring 513 is in contact with each other. The adjustment spring 513 is wound around the adjustment screw 512 and is used to control the parallel bracket 50 to retreat.

Specifically, the adjustment hole 51 is a through hole, which is provided at both ends of the parallel bracket. The threaded end of the adjustment screw 512 passes through the adjustment hole 51 and reaches the control hole 31 of the fixed tool holder. There is a groove in the middle of the adjustment block 511 The adjusting block 511 blocks the adjusting screw head, so that the adjusting screw 512 passes through the adjusting hole 51 and prevents the adjusting screw 512 from being separated from the parallel bracket 50 . It should be noted that the control hole 31 may be a through hole or not, and when the inside of the control hole 31 contacts the thread surface of the adjustment screw, the adjustment screw can be locked, thereby achieving the effect of micro-movement of the parallel bracket 50 back and forth. That is, when the adjusting screw is tightened, the parallel bracket 50 is fine-tuned forward, and when the adjusting screw is loosened, the parallel bracket 50 is fine-tuned backward. One end of the control hole 31 of the fixed tool holder is provided with a wire slot 311. The wire slot 311 is just large enough to abut one end of the adjustment spring 513. The other end of the adjustment spring 513 abuts the adjustment block 511 of the parallel bracket. The adjustment spring 513 is wound around On the adjusting screw 512, when the adjusting screw 512 is loosened, the elastic restoring force of the adjusting spring 513 is used to slightly move the parallel bracket 50 backward, thereby driving the movable knife 40 to move backward to achieve the purpose of finely adjusting the tooth pitch.

In some embodiments, the parallel bracket 50 is provided with a slide bar 54, and the fixed tool holder 30 is provided with a slide groove 32 and a limit block 33 respectively. The slide groove 32 cooperates with the slide bar 54, and the limit block 33 is provided with a slide bar 54. The bit block 33 prevents the parallel bracket 50 from being separated from the fixed tool holder 30 when it retreats.

Specifically, the slide bar 54 can only slide along the chute 32, so the parallel bracket 50 can only move forward and backward, but not left and right. The limiting block 33 is provided to prevent the parallel bracket 50 from being separated from the fixed tool holder 30 when it slides backward.

In some embodiments, the movable knife 40 is provided with movable cutter teeth 42, which are in contact with the fixed knife to form cross shearing. The movable knife 40 is provided with a positioning protrusion 43, which slides on one side of the fixed knife 20. Knife hole 41.

Specifically, when the movable blade teeth 42 and the fixed blade teeth 24 are in contact, cross shearing is formed and a shearing force is generated. Positioning bumps 43 are provided downwardly on both sides of the rear end of the movable knife 40, and are in contact with one side of the fixed knife blocking wall 23 of the fixed knife 20. No matter how the movable knife 20 moves or is fine-tuned, the positioning bumps 43 are in contact with the fixed knife blocking wall on one side. 23 will always be partially or completely in contact with each other, and the movable blade teeth 42 and the fixed blade teeth 24 will always be in contact with each other and will not separate.

In some embodiments, the fixed blade 20 is provided with a fixed blade hole 21, a fixed blade groove 22, a fixed blade tooth 24 and an arc texture 25. The fixed blade teeth 24 and the arc texture 25 form a smooth whole. , the arc texture 25 is all fully rounded, without corners or edges. The arc texture 25 is provided with a texture channel 251 and a texture convex surface 252, forming a straight line from the fixed blade teeth 24 to the middle part of the fixed blade 20. The smooth texture channel 251 has the function of guiding hair. The middle to the end of the fixed knife 20 forms a smooth surface with the textured convex surface 252. The fixed knife holder 30 is partially or completely embedded in the fixed knife groove 22, and the fastener 90 is used to pass through the fixed knife. The hole 21 fixes the fixed knife 20 on the fixed knife holder 30 .

In some embodiments, the protective cover 80 is provided with arc shading 81 from the top to the middle to form a smooth whole. The arc shading 81 is all fully rounded, with no edges or edges. The shading 81 is provided with a shading channel 811 and a shading convex surface 812. The smooth shading channels 811 form a smooth surface between the middle part of the protective cover 80 and the bottom end of the protective cover 80 and the shading convex surface 812, thereby forming a smooth surface with the fixed knife 20. A protective case with hair cutting function.

Specifically, the fixed knife 20 is provided with a fixed knife slot 22 for placing the fixed knife holder 30 , and the fixed knife 20 is fixed on the fixed tool holder 30 through the fixed knife hole 21 using a fastener 90 . It should be noted that the fixed tool rest 30 is stationary relative to the fixed knife 20. Therefore, when the parallel bracket 50 drives the movable knife 40 to move forward or backward, or the movable tool rest 60 drives the movable knife 40 along the parallel bracket. When the guide rail groove 52 reciprocates in parallel, the fixed tool rest 30 and the fixed knife 20 are fixed. When the cutter head is working, the texture part of the top of the cutter head contacts the beard and the skin, and the top of the cutter head moves close to the beard. At this time, the beard will generate a reaction force, which will hinder the razor from cutting. Affecting the accuracy of shaving, the fixed blade teeth 24 reach the middle part of the fixed blade 20 to form smooth texture channels 251. The arc shading 81 is provided with smooth texture channels 811, and the texture channels 251 follow the bottom. The groove channels 811 cooperate with each other and can accommodate beards to pass through. At the same time, the arc texture 25 and the arc shading 81 cooperate with each other, and they are all fully rounded corners without edges or edges, so that the razor can achieve more precise and smooth shaving without damaging the skin. Make the cutter head 10 safer at work.

It should be noted that the fixed blade 20 and the protective cover 80 cooperate with each other, and the top of the protective cover 80 has the same design as the fixed blade teeth 24 and has the same function, forming an integral protective cover. The top of the protective cover that contacts the beard or skin is an arc. It has a curved surface and the blade teeth are hidden inside it. Therefore, no matter which direction the beard enters between the blade teeth of the protective cover channel, the parallel shaving function can be achieved, giving people a sense of security;

When the cutter head 10 starts to work, the external driving device drives the movable tool holder 60 to move. The movable tool holder 60 carries the movable knife 40 to reciprocate left and right along the guide rail groove 52 of the parallel bracket, so that the movable knife 40 and the fixed knife 20 are in contact with each other. The teeth form a staggered shearing motion, generating shearing force to cut the beard located therein. During the shearing process, the movable cutter teeth 42 are resisted by the whiskers and generate upward force, which acts on the cutter head spring 70. At this time, the spiral 71 of the cutter head spring 70 is embedded in the spiral groove 53 of the parallel bracket 50. , the spring buckle 73 is locked by the locking block 531, and the parallel bracket 50 is provided with a stopper 532, so the spiral 71 cannot move in any direction. The spring arms 72 at both ends of the cutter head spring 70 have the same length, are equally stressed, and swing in parallel, so that the cutter head spring 70 generates a corresponding elastic restoring force, tightly pressing the movable knife 40 to the fixed knife 20, so that the movable knife 40 is pressed against the fixed knife 20. 40 can only move along the guide rail groove 52, thereby realizing parallel reciprocating motion of the movable knife 40 relative to the fixed knife 20.

At the same time, due to the structural design of the fixed knife 20, positioning bumps 43 are provided downwardly on both sides of the rear end of the movable knife 40, which are in contact with one side of the fixed knife blocking wall 23 of the fixed knife 20, and no matter how the movable knife 20 moves or Fine-tuning, one side of the positioning bump 43 will always be partially or completely in contact with the side of the fixed knife blocking wall 23, and the movable knife teeth 42 will always be in contact with the fixed knife teeth 24 and will not separate, so that the fixed knife 20 can offset the movable knife 40 During the movement, a force is generated to press the fixed knife 20, which ensures the stability of the cutter head 10 during operation and ensures the shaving effect of the cutter head.

Among them, by controlling the tightness of the adjusting screw 512, the elastic restoring force of the adjusting spring 513 is used to control the forward and backward fine adjustment of the parallel bracket 50; because the guide rail bar 62 of the movable tool rest 60 is embedded in the guide rail groove 52 of the parallel bracket, the parallel bracket 50 can It moves forward and backward with the movable knife rest 60; and the clamping block 61 of the movable knife rest 60 locks the fixed knife 40, so the parallel bracket 50 can move forward and backward with the movable knife 40. At the same time, because the fixed knife 20 is not relative to the parallel bracket 50, The top of the protective cover 80 cooperates with the fixed blade teeth 24 and has the function of the fixed blade teeth 24. Therefore, the distance between the movable blade teeth 42 and the fixed blade teeth 24 can be finely adjusted to adjust the length of the beard. It can also achieve zero tooth pitch adjustment and achieve good shaving effect.

It should be noted that the fixed blade 20 and the protective cover 80 cooperate with each other, and the top of the protective cover 80 has the same design as the fixed blade teeth 24 and has the same function, forming an integral protective cover. The top of the protective cover that contacts the beard or skin is an arc. -shaped curved surface, with the blade teeth hidden inside, therefore, no matter which direction the beard enters between the blade teeth of the protective cover channel, the parallel shaving function can be achieved, giving people a sense of security; the blade teeth become linear the moment they contact the beard , and at the same time, the length between the blade teeth can be controlled, so the beard can be shaped and carved, and the beard can also be carved.

In summary, the present invention is inspired by the structural principle of the hair clipper head. By adding the protective cover 80 components and transforming the original components, a new shaver head structural principle is formed, and the structural principle has the characteristics of a hair clipper blade. Characteristics of the head; the cutter head 10 includes: a fixed cutter 20, a fixed cutter holder 30, a movable cutter 40, a parallel bracket 50, a movable cutter holder 60, a cutter head spring 70, a protective cover 80, and a fastener 90; The head 10 is provided with a cutter head spring 70. The spiral end of the cutter head spring 70 is connected to the parallel bracket 50, and the other end is connected to the movable knife rest 60. The movable knife rest 60 is connected to the parallel bracket 50 on one side and buckles the movable knife 40 on the other side. The movable knife 40 slides along the parallel bracket 50 , the bottom surface of the parallel bracket 50 abuts the protective cover 80 , and the other side is connected to the fixed knife holder 30 , and the fixed knife holder 30 is connected to the fixed knife 20 through a fastener 90 . Among them, the parallel bracket 50 is modified and cooperates with other components to drive the movable knife 40 to move forward and backward to achieve the effect of adjusting the tooth pitch, thereby controlling the length of shaving; among them, the fixed knife 20 and the protective cover 80 cooperate with each other to form a The overall protective sheath has an arc-shaped surface at the top that contacts the beard or skin, and the knife teeth are hidden inside, giving people a sense of security; thus forming a complete parallel reciprocating motion, adjustable tooth spacing, and hiding the knife A razor head with teeth. It can achieve parallel reciprocating cutting, shaping, engraving and beard length adjustment to meet the different needs of users, with reasonable design and simple structure.

The above-described embodiments only express one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the patent of the present invention should be determined by the appended claims.

Claims (8)

1. A shaving head of a shaver, characterized in that:

inspired by the cutter head structure principle of the hair clipper, the original part is modified by increasing the protective cover part to form a new cutter head structure principle of the shaver, and the structure principle has the characteristic of the cutter head of the hair clipper;

the cutter head comprises: the cutter head is provided with the cutter head spring, the spiral end of the cutter head spring is connected with the parallel support, the other end of the cutter head spring is connected with the movable cutter rest, one surface of the movable cutter rest is connected with the parallel support, the other surface of the movable cutter rest is buckled with the movable cutter and slides along the parallel support with the movable cutter, the bottom surface of the parallel support is abutted against the protective cover, the other surface of the parallel support is connected with the fixed cutter rest, and the fixed cutter rest is connected with the fixed cutter through the fastener;

the parallel support is transformed and matched with other parts, so that the movable cutter can be driven to move forwards and backwards, the effect of adjusting the tooth pitch is achieved, and the shaving length can be controlled;

wherein, the fixed knife is matched with the protective cover to form an integral protective cover, the top end of the protective cover contacting beard or skin is an arc-shaped curved surface, and knife teeth are hidden in the protective cover to give people a sense of safety;

thus forming a complete shaver head capable of parallel reciprocating motion, adjusting tooth pitch and hiding cutter teeth.

2. A shaving head according to claim 1, wherein the shaving head spring is provided with a screw which engages in the parallel support, the screw extending out of a spring arm and a spring catch, the end of the spring arm remote from the screw being wholly or partly engaged in the movable blade carrier, whereby the movable blade is pressed against the stationary blade, the spring catch being locked by the parallel support, and the parallel support being provided with a stop for preventing the screw from being moved.

3. The shaving head of claim 1, wherein the movable blade carrier is provided with a plurality of clamping blocks and guide rails, the clamping blocks clamp the movable blade, and the guide rails are embedded in the parallel support and can slide along the parallel support so as to drive the movable blade to slide.

4. The shaving head of claim 1, wherein the parallel support is provided with an adjusting hole, an adjusting block, an adjusting screw and an adjusting spring, the adjusting hole is matched with the adjusting screw, the adjusting block prevents the adjusting screw from penetrating through the adjusting hole and separating from the parallel support, the fixed cutter holder is provided with a control hole for just accommodating one end of the adjusting screw, the control hole is provided with a wire slot, the wire slot is just capable of being abutted against one end of the adjusting spring, and the adjusting spring is wound on the adjusting screw and is used for controlling the parallel support to retract.

5. The shaving head of claim 1, wherein the parallel support is provided with a slide bar, the fixed blade carrier is provided with a slide groove and a limiting block respectively, the slide groove is matched with the slide bar, and the limiting block prevents the parallel support from being separated from the fixed blade carrier when retreating.

6. The shaving head of claim 1, wherein the movable blade has movable blade teeth which are abutted against the fixed blade to form cross cutting, the movable blade has positioning projections which slide on one surface of the fixed blade, and the movable blade has movable blade holes.

7. The razor head according to claim 1, wherein the stationary blade is provided with a stationary blade hole, a stationary blade groove, stationary blade teeth and circular arc textures, the stationary blade teeth and the circular arc textures form a smooth whole, the circular arc textures are all full round corners and have no edges and faces, the circular arc textures are provided with texture channels and texture convex faces, a smooth texture channel is formed from the stationary blade teeth to the stationary blade middle part, the stationary blade middle part to the tail end and a smooth face is formed with the texture convex faces, the stationary blade holder is partially or wholly embedded into the stationary blade groove, and the stationary blade is fixed on the stationary blade holder through the stationary blade hole by using a fastener.

8. The razor head according to claim 1, wherein the top to middle of the cap is provided with a circular arc undercut to form a smooth whole, the circular arc undercut is all full-round and has no corners or edges, the circular arc undercut is provided with an undercut channel and an undercut convex surface, the smooth undercut channel is provided, and the middle to bottom of the cap and the undercut convex surface form a smooth surface, thereby forming a protective sleeve with a hair guiding and cutting function with the stationary knife.