Razor cartridge

Abstract

A razor cartridge, comprising a support portion and a shaving portion, wherein the shaving portion is movably arranged at an end of the support portion, and the support portion can be connected to a razor handle of the razor; the shaving portion comprises a lower cover (2), wherein the lower cover is hinged to the end of the support portion, side covers (3) are fixedly mounted on two sides of the lower cover, a pair of fixed knives (4) is fixedly mounted between the two side covers, a movable knife (5) is slidably arranged between the pair of fixed knives, the movable knife, during movement, can cooperate with the fixed knives to remove body hair, a connecting member (6) is fixedly mounted on the movable knife, a metal elastic piece (7) is fixedly mounted on an inner side of the lower cover, and the metal elastic piece is slidably pressed against a surface of the connecting member, ensuring that the movable knife stably performs left-right cutting. The razor cartridge solves the problems of short service life and frequent clogging of traditional razor cartridges, and improves the shaving smoothness.

Description

A shaver head TECHNICAL FIELD

[0001] The utility model belongs to shaver technical field, especially relate to a shaver head. BACKGROUND

[0002] The shaver head is the core component of the shaver, and its performance directly determines the shaving effect and user experience.

[0003] However, the traditional shaver head design has some problems. The traditional head adopts a hundred-fold glue structure, has a low service life, and is wrapped with teeth technology, that is, the static knife wraps the dynamic knife. In use, it is easy to block and has poor smoothness. TECHNICAL PROBLEM

[0004] The utility model provides a shaver head, aims at solving the low service life of the shaver, the easy blocking of the head, the low firmness and the poor smoothness of the shaver. TECHNICAL SOLUTION

[0005] To solve the above problems, the utility model is realized in this way. A shaver head comprises a support part and a shaving part. The shaving part is movably arranged at the end of the support part. The support part can be connected with the handle of the shaver. The shaving part can be attached to the human body to remove the body hair. The shaving part comprises a lower cover, which is hingedly connected with the end of the support part. Two side covers are fixedly installed on the two sides of the lower cover. A pair of fixed knives are fixedly installed between the two side covers. A movable knife is slidably arranged between the pair of fixed knives. The movable knife can remove the body hair in cooperation with the fixed knife when the movable knife moves. A connecting piece is fixedly installed on the movable knife. A metal spring plate is fixedly installed on the inner side of the lower cover. The metal spring plate is slidably pressed on the surface of the connecting piece to ensure the stable left-right cutting of the movable knife.

[0006] Preferably, the support part comprises a Y-shaped bracket, and the two fork parts of the Y-shaped bracket are hingedly connected with the lower cover.

[0007] Preferably, two movable ears are formed on the lower cover and are movably connected with the two fork parts of the Y-shaped bracket by pins. The two fork parts of the Y-shaped bracket are provided with torsional springs. The movable ends of the two torsional springs are respectively pressed on the two movable ears to provide necessary elastic force to maintain the adhesion of the fixed knife to the skin during shaving and ensure that the fixed knife automatically returns to the original position when not in use.

[0008] Preferably, the connecting piece is fixedly installed with an angle code with two pushing ears, both of which are movably penetrated through the metal spring and located between the two movable ears, and the Y-shaped frame is provided with a power assembly as a power source for driving the shaving part to remove hair.

[0009] Preferably, the power assembly comprises a power rod fixedly installed on the Y-shaped frame, an output shaft of the power rod is fixedly installed with a reciprocating head, the reciprocating head is fixedly installed with at least one reciprocating push rod, the reciprocating push rod is eccentrically installed with the reciprocating head, and the reciprocating push rod extends between the two pushing ears, and when the power rod drives the reciprocating head to rotate, the reciprocating push rod is staggered with the two pushing ears to push the connecting piece to slide.

[0010] Preferably, the fixed cutter is formed with an assembly opening, the assembly opening is provided with a connecting seat, at least two positioning columns are extended on the connecting seat, the at least two positioning columns are penetrated through the hole of the fixed cutter and detachably connected with the lower cover, the at least two positioning columns are respectively located on both sides of the connecting piece and do not conflict with the sliding track of the connecting piece and the movable cutter.

[0011] Preferably, the assembly opening is provided with a shielding plate, and the shielding plate is replaceably fixed on the surface of the connecting seat.

[0012] Preferably, the support part further comprises a connecting seat fixedly installed on the Y-shaped frame, and the connecting seat is fixedly installed with at least two installation legs for connecting with the handle of the shaver.

[0013] Preferably, the tooth spacing between the teeth of the fixed cutter is about 0.06-0.48mm, and the fixed cutter has a lower curve for conveniently removing beard.

[0014] Preferably, the connecting piece is formed with a lubricating groove, both sides of the metal spring are provided with a guide opening matched with the lubricating groove, and the metal spring is further provided with an avoiding opening for sliding of the two pushing ears. Beneficial effects

[0015] Compared with the related art, the shaver head has the following beneficial effects:

[0016] Compared with the prior art, the shaver head provided by the scheme solves the problems of low service life and easy blockage of the traditional shaver head. Through the introduction of the unique design of the metal spring and the connecting piece, the stable sliding of the moving blade on the surface of the fixed blade is ensured, thereby greatly improving the smoothness of shaving. In particular, the combination of the lubricating groove on the moving blade and the metal spring not only provides continuous and stable lubrication for the moving blade, but also prevents the deviation of the longitudinal size, ensuring the accuracy of the blade movement. In addition, the protective layer added between the fixed blade and the moving blade and the smaller tooth spacing design further optimize the shaving effect, making the trimming more smooth, while reducing the blockage phenomenon of the shaver head.

[0017] The scheme also introduces a replaceable shielding plate, increasing the customization and DIY potential of the product. Users can replace different functional shielding plates according to personal preferences, which not only makes the shaving experience more personalized.

[0018] Further, the shaver head of the scheme includes at least two elastic elements, such as torsional springs, which are cleverly arranged between the connecting piece and at least two positioning columns. One end of the elastic element is fixed to the connecting seat, and the other end cooperates with the fixed blade to provide the necessary elastic force to maintain the close contact between the fixed blade and the skin, while ensuring that the fixed blade automatically returns to the original position in the non-use state. This design not only enhances the interaction between the shaver head and the skin, improves the comfort and efficiency of shaving, but also further enhances the user's shaving experience. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of a shaver head provided by the present application;

[0020] Figure 2 is a front view structural schematic diagram of the shaver head shown in Figure 1;

[0021] Figure 3 is a left view structural schematic diagram of the shaver head shown in Figure 2;

[0022] Figure 4 is a right view structural schematic diagram of the shaver head shown in Figure 2;

[0023] Figure 5 is a top view structural schematic diagram of the shaver head shown in Figure 2;

[0024] Figure 6 is a three-dimensional structural schematic diagram of a shaver head provided by the present application after removing the lower shell;

[0025] Figure 7 is a three-dimensional structural schematic diagram of the fixed blade, the moving blade, the connecting piece and the metal spring in the present application;

[0026] Figure 8 is a three-dimensional structural schematic diagram of the metal spring in the present application;

[0027] Figure 9 is a three-dimensional structural schematic diagram of the power rod in the present application;

[0028] Fig. 10 is a three-dimensional rear view structure schematic diagram of the connecting seat in the utility model;

[0029] Fig. 11 is a three-dimensional front view structure schematic diagram of the connecting seat in the utility model;

[0030] Fig. 12 is a three-dimensional front view structure schematic diagram of the lower shell and the fixed knife in the utility model;

[0031] Fig. 13 is a three-dimensional front view structure schematic diagram of the lower shell and the fixed knife in the utility model;

[0032] Fig. 14 is an enlarged structure schematic diagram of the part A shown in Fig. 1;

[0033] Fig. 15 is a structure schematic diagram of the connecting bottom end long shaft in the utility model;

[0034] Fig. 16 is a side view sectional structure schematic diagram of Fig. 15.

[0035] Reference signs: 1, Y-shaped frame; 2, lower cover; 3, side cover; 4, fixed knife; 5, movable knife; 6, connecting piece; 7, metal elastic sheet; 8, movable lug; 9, pin; 10, torsional spring; 11, pushing lug; 12, power rod; 13, reciprocating head; 14, reciprocating push rod; 15, assembly port; 16, connecting seat; 17, positioning column; 18, shielding plate; 19, connecting seat; 20, mounting leg. Embodiment of the application

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and claims of the application as well as the above abstract are intended to cover all alternatives, modifications, equivalents and equivalents thereof falling within the scope of the application; the terms "comprising", "having", "including" and "containing" used in the description and claims of the application and above abstract are intended to cover not exclusive inclusion; the terms "first", "second", etc. used in the description and claims of the application and above abstract are used to distinguish different objects, not to describe a particular order; the terms "in", "out", "left", "right" indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0037] Reference to“an embodiment” herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase“in one embodiment” in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all referring to a common embodiment, or an embodiment that is independent of other embodiments. One of ordinary skill in the art will readily recognize from the disclosure herein, that embodiments of the present application can be combined with embodiments of the other applications.

[0038] The utility model embodiment provides a kind of razor head, as shown in Figure 1-16, razor head includes: support part and shaving part, the shaving part can be movably arranged in the end of the support part, the support part can be connected with the handle of razor, the shaving part can be attached to human body and remove body hair;The shaving part includes lower cover 2, the lower cover 2 is hinged with the end of the support part, both sides of the lower cover 2 are fixedly installed with side cover 3, a pair of fixed knives 4 are fixedly installed between two side covers 3, a pair of the fixed knives 4 are slidably arranged between the moving knife 5, the moving knife 5 is cooperated with the fixed knife 4 when moving and can remove body hair, the moving knife 5 is fixedly installed with connecting piece 6, the inner side of the lower cover 2 is fixedly installed with metal spring 7, the metal spring 7 is slidably pressed in the surface of the connecting piece 6, ensure that the moving knife 5 stably cuts left and right.

[0039] In the embodiment, the design of razor head is related, mainly solves the problem of low service life and easy to block of traditional razor head, by optimizing structure and using new material, significantly improve the shaving effect and user experience, two side covers 3 are not only fixedly installed with fixed knife 4, and the outer surface of the moving knife 5 is respectively provided with fixed knife 4 for protection, to form a three-layer structure: the upper and lower two layers are protection fixed knife 4, the middle layer is the moving knife 5 that actually removes body hair, the two fixed knives 4 are non-adhesive, and are two independent components respectively.The moving knife 5 can slide in this structure, when the moving knife 5 moves, cooperates with the fixed knife 4 of middle layer, effectively removes body hair, while the upper and lower protection fixed knives 4 ensure the safety and skin protection during use.

[0040] Specifically, the razor head of the present patent includes support part and shaving part, wherein the shaving part is movably arranged at the end of the support part, which is convenient for users to adjust as needed. The shaving part is ingeniously designed, which includes lower cover 2, side cover 3, fixed knife 4 and moving knife 5, etc. The lower cover 2 is hinged with the end of the support part, ensuring the flexibility of the shaving part. The fixed knife 4 is fixedly installed between the two side covers 3, while the moving knife 5 can slide on the outer surface of the fixed knife 4, and the two cooperate to achieve the function of removing body hair.

[0041] More importantly, the connecting piece 6 is fixedly installed on the moving blade 5, and the metal spring 7 is fixedly installed on the inner side of the lower cover 2. This design enables the metal spring 7 to be slidably and tightly fitted on the surface of the connecting piece 6, thereby ensuring the stable sliding of the moving blade 5 and improving the smoothness of shaving. This design not only solves the problem of easy blockage of the traditional razor head, but also significantly improves the service life of the razor.

[0042] In a further preferred embodiment of the utility model, the support part comprises a Y-shaped frame 1, and two fork parts of the Y-shaped frame 1 are hingedly connected with the lower cover 2.

[0043] In the embodiment, the support part adopts the design of the Y-shaped frame 1, and the two fork parts of the Y-shaped frame 1 are hingedly connected with the lower cover 2, so that the shaving part can be more stably connected with the handle, and greater flexibility and adaptability are provided.

[0044] Such a design not only enhances the structural stability of the razor head, but also enables the user to adjust the angle and position of the shaving part according to the need during use, so that the shaving process is more comfortable and efficient.

[0045] In a further preferred embodiment of the utility model, two movable ears 8 are formed on the lower cover 2, and the two movable ears 8 are movably connected with the two fork parts of the Y-shaped frame 1 by means of pins 9, the two fork parts of the Y-shaped frame 1 are provided with torsional springs 10, and the movable ends of the two torsional springs 10 are tightly fitted on the two movable ears 8, respectively, and cooperate with the fixed blade 4 to provide necessary elastic force to maintain the adhesion of the fixed blade 4 to the skin during shaving, and ensure that the fixed blade 4 automatically returns to the original position when not in use.

[0046] The elastic element (torsional spring 10) provides certain elastic reaction force, thereby enhancing the interaction between the razor head and the skin, and improving the comfort and efficiency of shaving.

[0047] In the embodiment, the two movable ears 8 are formed on the lower cover 2, and the two movable ears 8 are movably connected with the two fork parts of the Y-shaped frame 1 by means of the pins 9. This design not only ensures the flexible rotation of the shaving part, but also provides stable connection.

[0048] More ingeniously, the two fork parts of the Y-shaped frame 1 are also provided with the torsional springs 10. The movable ends of the torsional springs 10 are tightly fitted on the two movable ears 8, and the advantage of this design is that when the shaving part is rotated or adjusted, the torsional springs 10 can automatically make the shaving part return to the initial position, thereby ensuring the continuity and stability of shaving.

[0049] The utility model further preferably in the embodiment, the connecting piece 6 is fixedly installed with the angle code with two push ears 11, two push ears 11 all movably penetrate metal spring piece 7 and are located between two movable ears 8, Y type frame 1 is equipped with the power assembly as the power source of driving the shaving part to remove hair.

[0050] In this embodiment, a connecting piece 6 is fixedly installed with an angle code with two push ears 11, and the two push ears 11 movably penetrate the metal spring piece 7 and are located between the two movable ears 8. This design not only enhances the stability of the connecting piece 6, but also makes the moving knife 5 more stable and smooth during sliding.

[0051] In addition, the Y type frame 1 is also provided with a power assembly as a power source for driving the shaving part to remove hair. This design enables the razor head to automatically provide power during use, thereby greatly improving the efficiency and convenience of shaving.

[0052] In the further preferred embodiment of the utility model, the power assembly includes a power rod 12 fixedly installed through the Y type frame 1, a reciprocating head 13 fixedly installed on the output shaft of the power rod 12, at least one reciprocating push rod 14 fixedly installed on the reciprocating head 13, the reciprocating push rod 14 is eccentrically installed with the reciprocating head 13, and at least one reciprocating push rod 14 extends between the two push ears 11. When the power rod 12 drives the reciprocating head 13 to rotate, at least one reciprocating push rod 14 can push the connecting piece 6 to slide by staggered cooperation with the two push ears 11.

[0053] In this embodiment, the power assembly includes a power rod 12 fixedly installed through the Y type frame 1, a reciprocating head 13 fixedly installed on the output shaft of the power rod 12, and at least one reciprocating push rod 14 fixedly installed on the reciprocating head 13. These reciprocating push rods 14 are eccentrically installed with the reciprocating head 13, which ensures that the reciprocating push rod 14 can generate effective pushing force when the reciprocating head 13 rotates.

[0054] More importantly, at least one reciprocating push rod 14 extends between the two push ears 11, and the bottom end of the power rod 12 is detachably installed with a long rod, and the bottom end of the long rod is connectable to a motor (as shown in Figures 15-16). In use, the output shaft of the motor rotates to drive the long rod to rotate, and the long rod drives the power rod 12 to rotate. When the power rod 12 drives the reciprocating head 13 to rotate, the reciprocating push rod 14 will stagger with the two push ears 11, thereby pushing the connecting piece 6 and the moving knife 5 to slide, realizing blade shearing.

[0055] The further preferable embodiment of the utility model discloses, the fixed knife 4 is formed with the assembly opening 15, the connecting seat 16 is equipped in the assembly opening 15, at least two positioning columns 17 are formed with the extension on the connecting seat 16, at least two positioning columns 17 all are through the hole of fixed knife 4 with the lower cover 2 detachable connection, at least two positioning columns 17 are located the both sides of connecting piece 6 respectively, and do not conflict with the sliding track of connecting piece 6 and movable knife 5.

[0056] In the embodiment, the fixed knife 4 is formed with the assembly opening 15, and the connecting seat 16 is arranged in the assembly opening 15. At least two positioning columns 17 are formed with the extension on the connecting seat 16, and the positioning columns 17 all penetrate the hole of the fixed knife 4 and are detachably connected with the lower cover 2.

[0057] The design not only enhances the connection stability between the fixed knife 4 and the lower cover 2, but also makes the installation and dismounting of the fixed knife 4 more convenient. In addition, the design of the positioning columns 17 also ensures that the movable knife 5 can maintain a stable track during sliding, thereby avoiding conflicts with the sliding track of the connecting piece 6 and the movable knife 5.

[0058] In the further preferable embodiment of the utility model, the assembly opening 15 is provided with a shielding plate 18, and the shielding plate 18 is replaceably fixed to the surface of the connecting seat 16.

[0059] In the embodiment, the addition of the shielding plate 18 not only improves the appearance of the razor head, but also protects the user's body surface. More importantly, it prevents foreign matter from entering the assembly opening 15, thereby protecting the precise structure inside the razor head and prolonging the service life of the razor. The shielding plate 18 is replaceable, and users can DIY and replace shielding plates with different functions.

[0060] In the further preferable embodiment of the utility model, the support part further includes a connecting seat 19 fixedly installed on the Y-shaped frame 1, and at least two mounting legs 20 for connecting with the handle of the razor are fixedly installed on the connecting seat 19.

[0061] In the embodiment, a connecting seat 19 is fixedly installed on the Y-shaped frame 1. The design of the connecting seat 19 is very ingenious. It is not only a connecting component, but also a guarantee for the stable connection between the razor head and the handle.

[0062] At least two mounting legs 20 are fixedly installed on the connecting seat 19. The mounting legs 20 play a very key role. They can be connected with the handle of the razor, ensuring the close cooperation between the razor head and the handle, thereby realizing the stability and integrity of the entire razor structure.

[0063] The further preferable embodiment of the utility model discloses, the tooth spacing between the teeth of the fixed knife 4 is less than 0 5mm, the fixed knife 4 has the lower curve of convenient stubble.

[0064] In the embodiment, the tooth spacing of the fixed knife is about 0 06-0 48mm, which makes trimming more clean, and the lower curve design of the fixed knife facilitates the disposal of stubble, and the stubble is not easy to accumulate, facilitating cleaning.

[0065] The further preferable embodiment of the utility model discloses, the connecting piece 6 surface forms the lubricating groove, the both sides of metal elastic sheet 7 are equipped with the guide mouth of adaptive lubricating groove, still be equipped with the avoidance mouth of the sliding of two the push ear 11 on metal elastic sheet 7.

[0066] In the embodiment, the surface of the connecting piece 6 forms a lubricating groove, which enables the connecting piece 6 to maintain a stable direction and trajectory during sliding, thereby improving the precision and stability of shaving.

[0067] At the same time, the both sides of the metal elastic sheet 7 are equipped with the guide mouth of adaptive lubricating groove, which enables the metal elastic sheet 7 to closely cooperate with the lubricating groove on the connecting piece 6. In addition, the metal elastic sheet 7 is also equipped with the avoidance mouth of the sliding of two the push ear 11. This design not only provides sufficient sliding space for the push ear 11, but also avoids the friction and interference between the metal elastic sheet 7 and the push ear 11, thereby ensuring the stability and smoothness during shaving.

[0068] In summary, compared with the related art, the present application solves the problems of low service life and easy clogging of the traditional razor head, especially the use of the metal elastic sheet 7 and the connecting piece 6, which ensures the stable sliding of the moving knife 5 and improves the smoothness of shaving. The smaller tooth spacing makes trimming more smooth, and the torsional spring 10 as the elastic element provides a certain elastic reaction force, enhances the interaction between the razor head and the skin, and improves the comfort and efficiency of shaving.

[0069] In the several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways.

[0070] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. A razor head, characterized in that: include: A support portion and a shaving portion, wherein the shaving portion is movably disposed at an end of the support portion, the support portion is connectable to a handle of the razor, and the shaving portion can conform to the human body to remove hair on the body surface; The shaving part includes a lower cover, which is hinged to the end of the support part. Side covers are fixedly installed on both sides of the lower cover. A pair of fixed knives are fixedly installed between the two side covers. A movable knife is slidably provided between the pair of fixed knives. When the movable knife moves, it can cooperate with the fixed knife to remove hair on the body surface. A connecting piece is fixedly installed on the movable knife. A metal spring is fixedly installed on the inner side of the lower cover. The metal spring can be slidably pressed on the surface of the connecting piece to ensure that the movable knife can stably cut left and right.

2. The razor head according to claim 1, wherein: The support portion comprises a Y-shaped frame, and two forks of the Y-shaped frame are hinged to the lower cover.

3. The razor head according to claim 2, wherein: Two movable ears are extended from the lower cover, and the two movable ears are respectively connected to the two forks of the Y-shaped frame by pins. The two forks of the Y-shaped frame are provided with torsion springs, and the movable ends of the two torsion springs are respectively pressed onto the two movable ears, cooperating with the fixed knife to provide the necessary elastic force to maintain the fit between the fixed knife and the skin during shaving, and ensure that the fixed knife automatically returns to its original position when not in use.

4. The razor head according to claim 3, wherein: An angle bracket with two pushing ears is fixedly mounted on the connecting piece. Both pushing ears are movable through the metal spring and are located between the two movable ears. A power component serving as a power source for driving the shaving part to remove hair is provided on the Y-shaped frame.

5. The razor head according to claim 4, wherein: The power assembly includes a power rod that is fixedly installed on the Y-shaped frame, a reciprocating head is fixedly installed on the output shaft of the power rod, at least one reciprocating push rod is fixedly installed on the reciprocating head, the reciprocating push rod is eccentrically installed with the reciprocating head, at least one reciprocating push rod extends between the two pushing ears, and when the power rod drives the reciprocating head to rotate, at least one reciprocating push rod is staggered with the two pushing ears to push the connecting member to slide.

6. The razor head according to claim 1, wherein: An assembly opening is formed on the fixed knife, a connecting seat is provided in the assembly opening, at least two positioning posts are extended from the connecting seat, at least two of the positioning posts pass through the holes of the fixed knife and are detachably connected to the lower cover, at least two of the positioning posts are respectively located on both sides of the connecting piece and do not conflict with the sliding trajectory of the connecting piece and the movable knife.

7. The razor head according to claim 6, wherein: A shielding plate is provided in the assembly opening, and the shielding plate can be replaced and fixed on the surface of the connecting seat.

8. The razor head according to claim 1, wherein: The support portion further comprises a connecting seat fixedly mounted on the Y-shaped frame, and at least two mounting legs for connecting to the handle of the shaver are fixedly mounted on the connecting seat.

9. The razor head according to claim 1, wherein: The tooth spacing between the teeth of the fixed knife is about 0.06-0.48 mm, and the fixed knife has a lower curve for convenient stubble removal.

10. The razor head according to claim 4, wherein: A lubrication groove is formed on the surface of the connecting piece, and guide openings adapted to the lubrication groove are provided on both sides of the metal spring. The metal spring is also provided with avoidance openings for the two pushing ears to slide.

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