CN216180740U

CN216180740U - Tool bit structure and manual razor

Info

Publication number: CN216180740U
Application number: CN202122700129.1U
Authority: CN
Inventors: 林剑; 陈宗跃
Original assignee: Ningbo Kaili Holding Group Co ltd
Current assignee: Ningbo Kaili Holding Group Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model provides a cutter head structure and a manual shaver, wherein the cutter head structure comprises a cutter frame base and a cutter frame upper cover which are connected with each other, a plurality of blades are installed on the cutter frame base, a plurality of cutter grooves used for limiting the blades to move back and forth are arranged on the cutter frame base, and the cutter frame upper cover and the cutter frame base are connected with each other in a riveting mode so that the cutter frame upper cover is tightly pressed on the tops of the blades. According to the cutter head structure, the cutter groove capable of preventing the blade from moving in the front and back directions is formed in the cutter frame base, the cutter is arranged on the cutter groove, the cutter frame upper cover is fixedly connected with the cutter frame base in a riveting and pressing connection mode after the blade is arranged in the cutter groove, the cutter frame upper cover can be tightly pressed on the top of the blade to prevent the blade from moving in the up and down directions, the assembly structure is simple and efficient, the processing cost is low, the production efficiency is high, firm installation of the blade can be guaranteed, the cutting edge of the blade can be effectively protected, and the product qualification rate is improved.

Description

Tool bit structure and manual razor

Technical Field

The utility model relates to the technical field of hair trimmers, in particular to a cutter head structure and a manual shaver.

Background

The cutter head structure of the existing manual shaver generally places a blade on a cutter rest base, places a cutter rest upper cover above the blade, and then fixes the cutter rest base, the blade and the cutter rest upper cover mutually by utilizing an ultrasonic process, so that the blade can be fixed between the cutter rest base and the cutter rest upper cover. But ultrasonic wave technology utilizes the ultrasonic wave of the working of plastics to melt through the frequency sound wave of ultrasonic wave and is connected in order to realize the combination of two parts, and consequently ultrasonic wave technology is very unstable when the blade welding, leads to the distance between knife rest base and the knife rest upper cover to be inconsistent, and the distance has been big and has leaded to the unable firm fixed blade position of cutting, and the distance has been little and has lead to the blade to be pressed and lie prone, all can influence the razor and normally use.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention provides a cutter head structure, including a cutter holder base and a cutter holder upper cover connected to each other, wherein the cutter holder base is provided with a plurality of blades, the cutter holder base is provided with a cutter groove for limiting the forward and backward movement of the blades, and the cutter holder upper cover and the cutter holder base are connected to each other in a riveting manner so that the cutter holder upper cover is pressed against the tops of the plurality of blades.

Optionally, the knife rest upper cover is provided with a plurality of riveting columns, and the knife rest base is correspondingly provided with through holes matched with the riveting columns.

Optionally, the blade is a spot welding blade or a bending blade.

Optionally, the knife rest upper cover is provided with a buckle, and the knife rest base is provided with a clamping groove matched with the buckle.

Optionally, the tool rest upper cover is provided with an abutting groove matched with the blade.

Optionally, the tool rest base and the tool rest upper cover are both made of plastic materials.

Optionally, a comb tooth is arranged on the tool rest base, and the comb tooth is located in front of the blade.

Optionally, an ultra-sliding strip is further connected above the upper cover of the tool rest.

Optionally, the middle part of the ultra-slip strip is provided with a large opening, and the tool rest upper cover is provided with a boss tightly matched with the large opening.

Compared with the prior art, the cutter head structure has the advantages that the cutter grooves capable of preventing the blade from moving in the front and back directions are formed in the cutter frame base, the cutter is arranged behind the cutter grooves, the cutter frame upper cover is fixedly connected with the cutter frame base in a riveting and pressing connection mode, the cutter frame upper cover can be tightly pressed on the top of the blade to prevent the blade from moving in the up-and-down direction, the assembling structure is simple and efficient, the processing cost is low, the production efficiency is high, firm installation of the blade can be guaranteed, the cutting edge of the blade can be effectively protected, and the product percent of pass is improved.

In addition, the utility model provides a manual shaver, which comprises the cutter head structure.

Compared with the prior art, the advantages of the manual shaver provided by the utility model and the advantages of the cutter head structure compared with the prior art are the same, and are not described in detail herein.

Drawings

FIG. 1 is a first block diagram of a tool tip configuration according to an embodiment of the utility model;

FIG. 2 is a block diagram two of a tool tip configuration according to an embodiment of the utility model;

FIG. 3 is a cross-sectional view of a tool tip configuration according to an embodiment of the utility model;

FIG. 4 is a block diagram of the upper cover of the tool holder according to the embodiment of the present invention;

FIG. 5 is a block diagram of the assembled cartridge base and insert of an embodiment of the present invention.

Description of reference numerals:

1. a tool holder base; 11. a cutter groove; 12. a through hole; 13. a card slot; 14. comb teeth; 2. the knife rest is covered; 21. riveting the column; 22. buckling; 23. a butt joint groove; 24. a boss; 3. a blade; 4. an ultra-smooth strip; 41. a large opening.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the normal use of a product.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the drawings of the embodiments of the present invention, a coordinate system XYZ is provided, in which a forward direction of an X axis represents a left direction, a reverse direction of the X axis represents a right direction, a forward direction of a Y axis represents a front direction, a reverse direction of the Y axis represents a rear direction, a forward direction of a Z axis represents an upper direction, and a reverse direction of the Z axis represents a lower direction.

The embodiment of the utility model provides a cutter head structure, which is shown in fig. 1 to 5 and comprises a cutter frame base 1 and a cutter frame upper cover 2 which are connected with each other, wherein a plurality of blades 3 are installed on the cutter frame base 1, the cutter frame base 1 is provided with a plurality of cutter grooves 11 for limiting the forward and backward movement of the blades 3, and the cutter frame upper cover 2 and the cutter frame base 1 are connected with each other in a riveting manner so that the cutter frame upper cover 2 is pressed on the tops of the blades 3.

The upper cover 2 of the knife rest is tightly pressed on the top parts of the left end and the right end of the blade 3, and the top parts refer to the upper end surface of the blade 3, so that the blade 3 can be prevented from interfering with normal hair shaving of the blade 3, and the blade 3 can be limited from moving up and down, so that the blade 3 and the knife groove 11 for limiting the forward and backward movement of the blade 3 act together on the blade 3, and the position of the blade 3 is fixed; the number of the cutter grooves 11 is consistent with that of the blades 3, the blades 3 are uniformly arranged at intervals, the bottoms of the cutter grooves 11 are hollowed out, so that hairs of the blades 3 can fall out from the hollowed-out positions after the hairs are scraped, the adjacent two blades 3 are prevented from being fully filled with the hairs, the blades 3 can be smoothly shaved, the cutter grooves 11 are provided with columns which are staggered front and back, and the front and back surfaces of the blades 3 are respectively clamped by the adjacent two columns; the blade 3 is preferably a spot-welded blade or a bent blade, and the blade 3 includes a blade edge portion and a body portion, the front and rear surfaces of the body portion of the blade 3 being clamped by the pocket 11, and the blade edge portion of the blade 3 being obliquely disposed to facilitate shaving.

The tool bit structure in this embodiment, set up the sword groove 11 that can prevent blade 3 from moving on front and back on knife rest base 1, and install blade 3 behind sword groove 11 again with knife rest upper cover 2 through riveting mode and knife rest base 1 fixed connection, make knife rest upper cover 2 can compress tightly at the top of blade 3, move in order to prevent blade 3 from the top and bottom, this kind of assembly structure is simple high-efficient, low in processing cost, high in production efficiency, can not only ensure the firm installation of blade 3, can also effectively protect the cutting edge of blade 3, promote the product percent of pass.

Optionally, as shown in fig. 2, 4, and 5, the tool rest upper cover 2 is provided with a plurality of riveting columns 21, and the tool rest base 1 is correspondingly provided with through holes 12 that are matched with the riveting columns 21.

The riveting column 21 is of a cylindrical structure before riveting, the aperture of the through hole 12 is close to the size of the outer diameter of the cylindrical structure, the riveting column 21 penetrates through the through hole 12 during assembly, and then the riveting column 21 is riveted by using a riveting process, so that the riveting column 21 is impacted, deformed and pressed with the surface of the tool rest base 1.

Optionally, as shown in fig. 2, the number of the riveting columns 21 is at least two.

The number of the riveting columns 21 can be two, after the knife rest upper cover 2 and the knife rest base 1 are riveted and connected with each other, the two riveting columns 21 are respectively positioned near the left end and the right end of the blade 3, so that the knife rest upper cover 2 can press the top of the blade 3; the number of the riveting columns 21 can be designed to be four, and after riveting, two riveting columns 21 are arranged near the left end and the right end of the blade 3 respectively; in addition to this, the number of riveting columns 21 can also be designed to be five, six or more.

Optionally, as shown in fig. 2 and 4, the tool holder upper cover 2 is provided with a buckle 22, and the tool holder base 1 is provided with a clamping groove 13 matched with the buckle 22.

The number of fixture blocks is preferably two, and the quantity of the corresponding clamping grooves 13 is also two, and after the blade 3 is installed on the knife rest base 1, the two clamping grooves 13 are respectively located at the accessories at the left end and the right end of the blade 3, so as to ensure that the knife rest upper cover 2 can be pressed close to the left end and the right end of the blade 3, and after the buckle 22 is matched with the clamping grooves 13 during assembly, the positioning effect on the blade 3 can be achieved, the knife rest upper cover 2 can be preliminarily installed together with the knife rest base 1, and the phenomenon that the blade 3 shakes or misplaces is prevented.

During the equipment, install blade 3 in knife groove 11 of knife rest base 1 earlier, will rivet compression post 21 and buckle 22 again and aim at with through-hole 12 and draw-in groove 13 respectively, and exert oneself with buckle 22 and draw-in groove 13 lock, make knife rest upper cover 2 tentatively fix the top at knife rest base 1, then put and carry out the riveting operation in the riveting equipment, make rivet compression post 21 receive the impact and warp, the riveting post 21 after warping this moment can tightly push down knife rest base 1, thereby realize knife rest upper cover 2 and knife rest base 1's inseparable combination, and make blade 3 firmly fix between the two.

Optionally, as shown in fig. 1 and 4, the upper cover 2 of the tool holder is provided with an abutting groove 23 matched with the blade 3.

Wherein, knife rest upper cover 2 has the opening that is used for exposing blade 3, and the quantity of butt groove 23 is two, and two butt grooves 23 set up both ends about the open-ended respectively to the butt groove 23 that realizes both ends can compress tightly the top at both ends about each blade 3, makes the fixed of equipment back blade 3 more stable.

Optionally, the knife rest base 1 and the knife rest upper cover 2 are both made of plastic materials.

Wherein, knife rest base 1 and knife rest upper cover 2 all select for use the plastics material that has certain anti-deformation strength, and the whole quality is light, and the stable performance, and easy machine-shaping.

Optionally, as shown in fig. 1 and 5, comb teeth 14 are provided on the blade holder base 1, and the comb teeth 14 are located in front of the blade 3.

The comb teeth 14 are provided with a plurality of teeth which are uniformly arranged at intervals in the left-right direction, and the comb teeth 14 are additionally arranged on the tool rest base 1 and can comb hairs to be shaved, so that the blade 3 can shave the hairs conveniently, and the hair shaving effect is improved.

Optionally, as shown in fig. 1 and 3, a super-slip strip 4 is further connected above the upper cover 2 of the tool holder.

Wherein the surface of the ultra-smooth strip 4 is smooth, and the ultra-smooth strip 4 is directly contacted with the skin during shaving, so that the friction force between the cutter head structure and the skin during shaving is as small as possible, and the shaving efficiency is ensured.

Optionally, as shown in fig. 1, the middle of the super-slide bar 4 has a large opening 41, and the tool holder upper cover 2 is provided with a boss 24 tightly fitting the large opening 41.

Wherein, the mutual connection can be realized through the mutual matching of the boss 24 and the large opening 41 between the ultra-smooth strip 4 and the upper cover 2 of the tool rest, and the arrangement structure without screws is adopted, so that the integral structure is more beautiful.

Another embodiment of the utility model provides a manual shaver comprising a head structure as described above.

The manual shaver in the embodiment is characterized in that the blade groove 11 capable of preventing the blade 3 from moving in the front and back direction is arranged on the blade holder base 1, the blade 3 is arranged behind the blade groove 11, and the blade holder upper cover 2 is fixedly connected with the blade holder base 1 in a riveting and pressing connection mode, so that the blade holder upper cover 2 can be tightly pressed at the top of the blade 3, and the blade 3 is prevented from moving in the up and down direction.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. The cutter head structure is characterized by comprising a cutter frame base (1) and a cutter frame upper cover (2) which are connected with each other, wherein a plurality of blades (3) are installed on the cutter frame base (1), the cutter frame base (1) is provided with a plurality of cutter grooves (11) used for limiting the blades (3) to move back and forth, and the cutter frame upper cover (2) is connected with the cutter frame base (1) in a riveting mode so that the cutter frame upper cover (2) is pressed on the tops of the blades (3).

2. The cutter head structure according to claim 1, wherein the cutter holder upper cover (2) is provided with a plurality of riveting columns (21), and the cutter holder base (1) is correspondingly provided with through holes (12) matched with the riveting columns (21).

3. Cutter head structure according to claim 1, characterized in that the blade (3) is a spot welding blade or a bent blade.

4. Cutter head structure according to claim 1, wherein the upper blade carrier cover (2) is provided with a snap (22) and the blade carrier base (1) is provided with a catch (13) cooperating with the snap (22).

5. Head construction according to claim 1, characterized in that the head cover (2) is provided with an abutment groove (23) cooperating with the insert (3).

6. The cutter head structure according to claim 1, wherein the holder base (1) and the holder upper cover (2) are made of plastic.

7. Cutter head construction according to claim 1, characterized in that the cutter head base (1) is provided with comb teeth (14), which comb teeth (14) are located in front of the blade (3).

8. Cutter head structure according to any one of claims 1-7, characterized in that a super-slip strip (4) is also attached above the upper cover (2) of the cutter holder.

9. The cutter head structure according to claim 8, wherein the center of the ultra-slide bar (4) has a large opening (41), and the upper cover (2) of the cutter head is provided with a boss (24) tightly fitted with the large opening (41).

10. A hand razor comprising a head construction according to any of claims 1-9.