Tool bit structure of shaver and shaver

Abstract

The utility model relates to the field of shavers, and particularly discloses a shaver tool bit structure and a shaver, the tool bit structure comprises a lower tool rest, a shaping steel plate, a fixed blade, a movable blade, an upper tool rest and a torsion spring, the lower tool rest is an injection molding structure, the shaping steel plate is embedded in the bottom of the lower tool rest, the fixed blade is installed on the lower tool rest, the torsion spring is buckled on the lower tool rest, and the fixed blade is installed on the upper tool rest. The movable blade on the upper knife rest is connected with the fixed blade on the lower knife rest through a torsion spring, and the upper knife rest can drive the movable blade to reciprocate left and right relative to the fixed blade on the lower knife rest; the lower knife rest with the injection molding structure is used as a carrier of the fixed knife assembly, and the shaping steel plate and the fixed blade are arranged on the lower knife rest, so that the strength and the stability of the lower knife rest are enhanced, and the shearing effect of the knife head is improved; the hair trimmer can trim hair more cleanly and thoroughly during hair cleaning, the surface of the tool bit can be prevented from heating to burn skin, better use experience is brought to a user, the processing technology is simple and convenient, the processing cost is low, and economic benefits can be improved.

Description

Technical Field

[0001] The utility model relates to the field of shavers, in particular to a shaver head structure and a shaver. Background Art

[0002] In order to cater to the different needs of the market for the use of shavers, we will use larger shaver heads for shaving objects that need to trim a large amount of hair. Large shaver heads can trim hair more quickly and efficiently. In order to ensure that large shaver heads can trim hair stably during use, large shaver heads on the market currently use an integrated bottom steel knife to ensure the overall strength of the knife head. The thickness of the bottom steel knife with good strength should be thicker. The processing technology generally uses casting processes such as powder metallurgy, and the processing cost is relatively high. The thickness of the knife body is thick, resulting in a large distance between the bottom of the moving blade and the fixed blade of the knife head. When you want to trim hair, there will be more hair residue during the trimming process, which brings inconvenience to the user. The integrated bottom steel knife has a large thermal conductivity coefficient, and the heat generated by the movement of the moving blade on the fixed blade is easily transferred to the surface of the knife head. Long-term use will cause the knife head to heat up, and there is a risk of burning the skin. To this end, the present application proposes a shaver head structure and a shaver to solve the above problems. Utility Model Content

[0003] In view of the existing problems, the utility model provides a shaver head structure and a shaver, which can effectively solve the problems raised in the background technology.

[0004] In order to solve the above problems, the utility model adopts the following technical solutions:

[0005] A shaver head structure comprises a lower blade holder, a shaped steel plate, a fixed blade, a movable blade, an upper blade holder and a torsion spring, wherein the lower blade holder is an injection-molded structure and a shaped steel plate is embedded and installed at the bottom of the lower blade holder, the fixed blade is installed on the lower blade holder, the torsion spring is buckled on the lower blade holder, the movable blade is buckled on the upper blade holder, the movable blade on the upper blade holder is connected to the fixed blade on the lower blade holder through the torsion spring, and the upper blade holder can drive the movable blade to reciprocate left and right relative to the fixed blade on the lower blade holder.

[0006] As a further solution of the utility model: the bottom of the lower tool holder forms a step structure at the front end and the rear end, and the shaped steel plate is arranged at the rear end of the lower tool holder and is fixedly connected to the lower tool holder by screws.

[0007] As a further solution of the utility model: the fixed blade is a sheet-like structure and is installed at the upper front end of the lower blade holder.

[0008] As a further solution of the utility model: the upper end surface of the lower tool holder is provided with a first positioning column, the fixed blade is provided with a first positioning hole, and the first positioning column is provided correspondingly to the first positioning hole.

[0009] As a further solution of the utility model: rivet holes are provided on both sides of the fixed blade located at the first positioning hole and at the rear end of the fixed blade, and hollow rivet columns corresponding to the rivet holes are provided on the lower blade holder.

[0010] As a further solution of the utility model: a slot is provided on the movable blade, and a clamping block is provided at the front end of the upper tool holder. The clamping block is inserted into the slot and the movable blade on the upper tool holder is pressed into the lower tool holder through a torsion spring to connect with the fixed blade.

[0011] As a further solution of the utility model: a second positioning hole is provided on the movable blade, a second positioning column is provided on the upper tool holder, and the second positioning column is provided corresponding to the second positioning hole.

[0012] As a further solution of the utility model: torsion spring holes are provided on both sides of the upper tool holder, a torsion spring buckle is provided on the lower tool holder, the torsion foot of the torsion spring is plugged into the torsion spring hole, and the torsion rod of the torsion spring is buckled into the torsion spring buckle.

[0013] The utility model also provides a shaver, which comprises the above-mentioned cutter head structure.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model adopts a lower knife frame of an injection molding structure as a carrier of the fixed knife assembly, and the shaped steel plate and the fixed blade are both placed on the lower knife frame, and the shaped steel plate is embedded in the bottom of the lower knife frame, thereby enhancing the strength and stability of the lower knife frame, making it difficult for the lower knife frame to deform, ensuring the flatness of the fixed blade installed thereon, and improving the shearing effect of the knife head;

[0016] The fixed blade is placed at the upper front end of the lower blade holder. The fixed blade can be processed with a thinner plate to reduce the distance between the moving blade and the bottom surface of the fixed blade, so that the hair can be trimmed more thoroughly when cleaning;

[0017] The lower blade holder is arranged between the fixed blade and the shaped steel plate, which can play a heat insulation role. The thermal conductivity of the injection molded part is relatively small, and the heat generated by the moving blade on the fixed blade is not easily transferred to the shaped steel plate through the lower blade holder, which can avoid the surface of the blade from heating up and burning the skin, giving users a better experience.

[0018] The fixed blade and the shaped steel plate body can be processed by mechanical processing methods such as stamping and grinding. The processing technology is simple, the processing cost is low, and the economic benefit can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the overall structure of a shaver head structure;

[0020] Figure 2 It is a schematic diagram of the overall structure of a shaver head structure;

[0021] Figure 3 It is a schematic diagram of the overall structure of a shaver head structure;

[0022] Figure 4 for Figure 3 Schematic diagram of the AA section;

[0023] Figure 5 for Figure 3 Schematic diagram of the middle BB section;

[0024] Figure 6 The diagram is a schematic diagram of a shaver structure using a shaver head structure.

[0025] In the figure: 1. lower tool holder; 11. first positioning column; 12. hollow rivet column; 13. torsion spring buckle; 2. fixed blade; 21. first positioning hole; 22. rivet hole; 3. shaped steel plate; 4. upper tool holder; 41. clamping block; 42. second positioning column; 43. torsion spring clamping hole; 5. movable blade; 51. clamping slot; 52. second positioning hole; 6. torsion spring; 61. torque foot; 62. torque arm; 63. torsion rod; 7. screw. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Combination Figures 1 to 5 The present embodiment is described. The present embodiment provides a shaver head structure, which includes a lower blade holder 1, a fixed blade 2, a movable blade 5, an upper blade holder 4 and a torsion spring 6. The lower blade holder 1 is an injection molding structure. The material of the lower blade holder 1 is POM. A shaped steel plate 3 is inlaid and installed on the bottom of the lower blade holder 1. The bottom of the lower blade holder 1 forms a step structure at the front and rear ends, so that the front end of the lower blade holder 1 is in an independent injection molding structure. The shaped steel plate 3 is arranged at the rear end of the lower blade holder 1 and is fixedly connected to the lower blade holder 1 by screws 7. Two screws 7 are provided. The screws 7 pass through the screw holes on the shaped steel plate 3 and are threadedly connected to the lower blade holder 1. On the one hand, the shaped steel plate 3 can be fixed, and on the other hand, the shaped steel plate 3 can also be positioned.

[0028] The fixed blade 2 is a sheet structure, which can be made into various thicknesses to meet different shaving needs. The fixed blade 2 is installed at the upper front end of the lower blade holder 1. Specifically, two first positioning columns 11 are provided on the upper end surface of the lower blade holder 1, and two first positioning holes 21 are provided on the fixed blade 2. The first positioning columns 11 are arranged corresponding to the first positioning holes 21. The fixed blade 2 is located on both sides of the first positioning holes 21 and the rear end of the fixed blade 2 is provided with rivet holes 22. The lower blade holder 1 is provided with hollow rivet columns 12 corresponding to the rivet holes 22. During installation, the first positioning columns 11 are inserted into the first positioning holes 21 of the fixed blade 2, and the hollow rivet columns 12 are inserted into the rivet holes 22. The hollow rivet columns 12 are flanging and expanding by applying pressure through a hot riveting machine, and the fixed blade 2 is fixed on the lower blade holder 1 to form a fixed blade assembly.

[0029] The movable blade 5 is buckled onto the upper tool holder 4. The movable blade 5 on the upper tool holder 4 is connected to the fixed blade 2 on the lower tool holder 1 through a torsion spring 6, and the upper tool holder 4 can drive the movable blade 5 to reciprocate left and right relative to the fixed blade 2 on the lower tool holder 1. A card slot 51 is provided on the movable blade 5. A card block 41 is provided at the front end of the upper tool holder 4. The card block 41 is inserted into the card slot 51 and presses the upper tool holder 4 onto the lower tool holder 1 through the torsion spring 6. The torsion spring 6 includes a torsion foot 61, a torsion arm 62 and a torsion rod 63. The torsion arm 62 is integrally arranged on both sides of the torsion rod 63, and the torsion foot 61 is integrally connected to the torsion arm 62. A second positioning hole 52 is provided on the movable blade 5, and a second positioning column 42 is provided on the upper tool holder 4. The second positioning column 42 is arranged corresponding to the second positioning hole 52. Torsion spring holes 43 are provided on both sides of the upper tool holder 4, and a torsion spring buckle 13 is provided on the lower tool holder 1. The torsion spring buckle 13 is arranged in the middle of the rear end of the lower tool holder 1 at the fixed blade 2. The torsion foot 61 of the torsion spring 6 is plugged into the torsion spring hole 43, and the torsion rod 63 of the torsion spring 6 is buckled into the torsion spring buckle 13. During installation, the block 41 on the upper tool holder 4 is inserted into the slot 51 of the movable blade 5, and then the second positioning column 42 of the upper tool holder 4 is inserted into the second positioning hole 52 of the movable blade 5 to form a movable knife assembly, and the torsion spring 6 is buckled on the torsion spring 6 installation position of the lower tool holder 1, and the torsion rod 63 is clamped to the lower end of the torsion spring buckle 13, and the torsion spring 6 is fixedly installed in the lower tool holder 1 through the torsion spring buckle 13 in the lower tool holder 1, and the movable knife assembly is placed on the fixed knife assembly, and the torsion foot 61 of the torsion spring 6 is pulled, and the torsion foot 61 of the torsion spring 6 is inserted into the torsion spring clamping hole 43 of the upper tool holder 4, and the movable knife assembly is pressed by the restoring torque of the torsion spring 6, so that the movable knife assembly is movably installed on the fixed knife assembly, and the movable knife assembly can reciprocate left and right on the fixed knife assembly to form a knife head structure.

[0030] like Figure 6 As shown, after the cutter head structure is assembled, the cutter head structure is installed on the shaver body to form the shaver.

[0031] The working principle of the utility model is as follows: a lower knife frame 1 of an injection molding structure is used as a carrier of a fixed knife assembly, a shaped steel plate 3 and a fixed blade 2 are both placed on the lower knife frame 1, and the shaped steel plate 3 is embedded in the bottom of the lower knife frame 1, thereby enhancing the strength and stability of the lower knife frame 1, making it difficult for the lower knife frame 1 to deform, thereby ensuring the flatness of the fixed blade 2 installed thereon, and improving the shearing effect of the cutter head; the fixed blade 2 is placed on the upper front end of the lower knife frame 1, and the fixed blade 2 can be processed with a thinner plate, thereby reducing the distance between the moving blade 5 and the bottom surface of the fixed blade 2, and cleaning the hair The hair can be trimmed more cleanly and thoroughly; the lower blade holder 1 is arranged between the fixed blade 2 and the shaped steel plate 3, which can play a heat insulation effect. The thermal conductivity of the injection molded part is relatively small. The heat generated by the moving blade 5 moving on the fixed blade 2 is not easily transferred to the shaped steel plate 3 through the lower blade holder 1, which can avoid the surface of the blade from heating up and burning the skin, giving the user a better use experience; the fixed blade 2 and the main body of the shaped steel plate 3 can be processed by mechanical processing such as stamping and grinding. The processing technology is simple, the processing cost is low, and the economic benefit can be improved.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shaver head structure, comprising a lower blade holder, a shaped steel plate, a fixed blade, a movable blade, an upper blade holder and a torsion spring, characterized in that: The lower tool holder is an injection molded structure and a shaped steel plate is embedded and installed at the bottom of the lower tool holder. The fixed blade is installed on the lower tool holder. The torsion spring is buckled on the lower tool holder. The movable blade is buckled on the upper tool holder. The movable blade on the upper tool holder is connected to the fixed blade on the lower tool holder through the torsion spring and the upper tool holder can drive the movable blade to reciprocate left and right relative to the fixed blade on the lower tool holder.

2. A shaver head structure according to claim 1, characterized in that: The bottom of the lower tool holder forms a step structure at the front and rear ends, and the shaped steel plate is arranged at the rear end of the lower tool holder and is fixedly connected to the lower tool holder by screws.

3. A shaver head structure according to claim 1, characterized in that: The fixed blade is a sheet-like structure and is installed at the upper front end of the lower blade holder.

4. A shaver head structure according to claim 3, characterized in that: The upper end surface of the lower tool holder is provided with a first positioning column, the fixed blade is provided with a first positioning hole, and the first positioning column is provided correspondingly to the first positioning hole.

5. A shaver head structure according to claim 4, characterized in that: The fixed blade is provided with rivet holes on both sides of the first positioning hole and at the rear end of the fixed blade, and the lower blade holder is provided with hollow rivet columns corresponding to the rivet holes.

6. A shaver head structure according to claim 1, characterized in that: The movable blade is provided with a slot, and the front end of the upper blade holder is provided with a block. The block is inserted into the slot and the movable blade on the upper blade holder is pressed into the lower blade holder through a torsion spring to be connected with the movable blade.

7. A shaver head structure according to claim 6, characterized in that: The movable blade is provided with a second positioning hole, the upper tool holder is provided with a second positioning column, and the second positioning column is provided corresponding to the second positioning hole.

8. A shaver head structure according to claim 7, characterized in that: Torsion spring clamping holes are arranged on both sides of the upper tool holder, and a torsion spring buckle is arranged on the lower tool holder. The torsion foot of the torsion spring is plugged into the torsion spring clamping hole, and the torsion rod of the torsion spring is clamped into the torsion spring buckle.

9. A shaver, characterized in that: The shaver comprises a shaver head structure as described in any one of claims 1-8.

Images