CN216099049U

CN216099049U - Stationary knife fixing structure and hair trimmer

Info

Publication number: CN216099049U
Application number: CN202122742187.0U
Authority: CN
Inventors: 严剑锋
Original assignee: Ningbo Yunbao Electric Appliance Co ltd
Current assignee: Ningbo Yunbao Electric Appliance Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-22
Anticipated expiration: 2031-11-10

Abstract

The utility model provides a fixed cutter fixing structure and a hair trimmer, wherein the fixed cutter fixing structure comprises a fixed cutter and a fixed cutter frame, the fixed cutter frame comprises a body and an installation column convexly arranged on the body, the fixed cutter is provided with a through hole matched with the installation column, the installation column comprises a fixing section, a limiting block and a guide block, the limiting block and the guide block are connected to the top of the fixing section, and the bottom of the fixing section is connected with the body; the limiting block is clamped into the through hole during installation, the through hole is sleeved outside the fixed section along the guide block, and when the assembly of the fixed cutter and the fixed cutter frame is completed, the limiting block is used for preventing the fixed cutter from being separated from the fixed cutter frame. According to the utility model, the fixed section, the limiting block and the guide block are arranged on the mounting column of the fixed cutter frame, the fixed cutter and the fixed cutter frame are obliquely inserted to each other firstly, so that the limiting block penetrates through the through hole of the fixed cutter, and then the fixed cutter is rotated relative to the fixed cutter frame, so that the through hole of the fixed cutter can be sleeved outside the fixed section along the outer wall of the guide block.

Description

Stationary knife fixing structure and hair trimmer

Technical Field

The utility model relates to the technical field of hair trimmers, in particular to a fixed knife fixing structure and a hair trimmer.

Background

Hair trimmers include animal hair trimmers and hair trimmers. The blade head portion of a hair trimmer generally includes a moving blade and a stationary blade, and the moving blade can reciprocate relative to the stationary blade to achieve trimming of hair. The existing fixed knife is generally fixed on the fixed knife rest in a hot melting mode, and a special hot melting device is required to be equipped for processing the hair trimmer, so that the working procedure is complicated, and the processing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention firstly provides a fixed cutter fixing structure, which includes a fixed cutter and a fixed cutter holder, wherein the fixed cutter holder includes a body and an installation column protruding from the body, the fixed cutter is provided with a through hole matching with the installation column, the installation column includes a fixed section, a limiting block and a guide block connected to the top of the fixed section, and the bottom of the fixed section is connected to the body; during installation the stopper card is gone into the through-hole, the through-hole along the guide block cover arrives outside the fixed section, works as the stationary knife with when the stationary knife rest assembly was accomplished, the stopper is used for preventing the stationary knife is followed the stationary knife rest breaks away from.

Optionally, the limiting block and the guide block are arranged in a back-to-back manner.

Optionally, the body is integrally formed with the mounting post.

Optionally, the guide block has a spherical guide surface.

Optionally, the limiting block is provided with a guide surface.

Optionally, the fixed knife frame is provided with a positioning column, and the fixed knife is provided with a positioning hole matched with the positioning column.

Optionally, the outer surface of the guide block smoothly transitions with the outer surface of the fixed section.

Optionally, the fixed segment includes a first arc segment and a second arc segment, the guide block is connected to the top of the first arc segment, and the limiting block is connected to the top of the second arc segment.

Optionally, a reinforcing block is connected between the first arc segment and the second arc segment.

Compared with the prior art, the fixed cutter fixing structure has the advantages that the fixing section, the limiting block and the guide block are arranged on the mounting column of the fixed cutter frame, the fixed cutter and the fixed cutter frame are firstly inserted obliquely, the limiting block penetrates through the through hole of the fixed cutter, then the fixed cutter is rotated relative to the fixed cutter frame, the through hole of the fixed cutter can be sleeved outside the fixing section along the outer wall of the guide block, and the fixation of the mutual position between the fixed cutter and the fixed cutter frame is realized.

In addition, the present invention provides a hair trimmer including the above-described fixed blade fixing structure.

Compared with the prior art, the hair trimmer and the fixed knife fixing structure have the same advantages compared with the prior art, and the detailed description is omitted.

Drawings

FIG. 1 is a structural view of a stationary blade fixing structure according to an embodiment of the present invention;

FIG. 2 is a block diagram of a stationary blade holder according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a structural view of a stationary knife according to an embodiment of the present invention.

Description of reference numerals:

1. fixing a cutter; 11. a through hole; 12. positioning holes; 2. a fixed tool rest; 21. a body; 22. mounting a column; 221. a fixed section; 2211. a first arcuate segment; 2212. a second arcuate segment; 2213. a reinforcing block; 222. a limiting block; 2221. a guide surface; 223. a guide block; 2231. a spherical guide surface; 23. and a positioning column.

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 embodiments of the utility model a coordinate system YZ is provided, wherein the forward direction of the Y-axis represents the front, the reverse direction of the Y-axis represents the rear, the forward direction of the Z-axis represents the upper and the reverse direction of the Z-axis represents the lower.

The embodiment of the utility model provides a fixed cutter fixing structure, which is shown by combining fig. 1, fig. 2, fig. 3 and fig. and comprises a fixed cutter 1 and a fixed cutter frame 2, wherein the fixed cutter frame 2 comprises a body 21 and an installation column 22 convexly arranged on the body 21, the fixed cutter 1 is provided with a through hole 11 matched with the installation column 22, the installation column 22 comprises a fixing section 221, a limiting block 222 and a guide block 223, the limiting block 222 and the guide block 223 are connected to the top of the fixing section 221, and the bottom of the fixing section 221 is connected with the body 21; during installation, the limiting block 222 is clamped into the through hole 11, the through hole 11 is sleeved outside the fixed section 221 along the guide block 223, and when the assembly of the fixed cutter 1 and the fixed cutter frame 2 is completed, the limiting block 222 is used for preventing the fixed cutter 1 from being separated from the fixed cutter frame 2.

The outline shape of the outer wall of the mounting column 22 is consistent with the shape of the through hole 11, and the size of the through hole 11 is slightly larger than or equal to the size of the outer contour of the mounting column 22, so that the through hole 11 can be smoothly clamped outside the mounting column 22, and the through hole 11 is generally a circular hole or a square structure; the number of the mounting columns 22 is preferably two, and the two mounting columns 22 are arranged at intervals, so that the fixed cutter 1 and the fixed cutter frame 2 can be fixed more firmly after the fixing section 221 of the mounting column 22 is matched with the through hole 11; the limiting block 222 protrudes outward from the sidewall of the fixing section 221, so that a certain distance is formed between the limiting block 222 and the body 21, the distance is slightly larger than the thickness of the through hole 11, so as to facilitate the assembly of the fixed knife 1 on the fixed knife rest 2 or the disassembly of the fixed knife rest 2, and the limiting block 222 blocks above the edge of the through hole 11 after the mutual assembly of the fixed knife 1 and the fixed knife rest 2 is completed.

When the fixed cutter 1 needs to be mounted on the fixed cutter frame 2, the limiting block 222 penetrates through the through hole 11, the through hole 11 is abutted against the top of the outer surface of the guide block 223 at the moment, then the fixed cutter 1 is rotated by a certain angle, so that the through hole 11 can slide along the outer wall of the guide block 223 and is finally sleeved outside the fixing section 221, and the limiting block 222 is positioned above the edge of the through hole 11 at the moment to complete the fixing of the mutual position between the fixed cutter 1 and the fixed cutter frame 2; when the fixed cutter 1 needs to be taken down from the fixed cutter frame 2, the fixed cutter 1 is firstly rotated in the opposite direction for a certain angle, and then the limiting block 222 is moved out of the through hole 11, so that the mutual disassembling work between the fixed cutter 1 and the fixed cutter frame 2 is completed.

The stationary knife fixed knot in this embodiment constructs, set up fixed section 221 and stopper 222 and guide block 223 on the erection column 22 of stationary knife rest 2, and through inserting stationary knife 1 and stationary knife rest 2 each other to one side earlier, make stopper 222 pass the through-hole 11 of stationary knife 1, rotate stationary knife 1 for stationary knife rest 2 again, make the through-hole 11 of stationary knife 1 can overlap outside fixed section 221 along the outer wall of guide block 223, in order to realize the fixed of mutual position between stationary knife 1 and the stationary knife rest 2, the process of hot melt equipment can be saved to this kind of project organization, the equipment is simple swift, the efficiency is improved, and low in production cost.

Optionally, as shown in fig. 3, the limiting block 222 is disposed opposite to the guiding block 223.

Wherein, stopper 222 and guide block 223 set up mutually, indicate that stopper 222 sets up towards the front side, and guide block 223 sets up towards the rear side to make things convenient for stopper 222 to pass through-hole 11 after, use the point that stopper 222 and through-hole 11 contact as the rotation point and rotate stationary knife 1, make through-hole 11 can block smoothly outside fixed section 221, and the installation simple operation is reliable.

Alternatively, as shown in fig. 2, the body 21 and the mounting post 22 are integrally formed.

The body 21 and the mounting post 22 are preferably made of plastic materials, and are integrally injection-molded, so that the processing is convenient and the structure is firm.

Optionally, as shown in fig. 2 and 3, the guide block 223 has a spherical guide surface 2231.

The spherical guide surface 2231 has a certain area size, so that the through hole 11 can smoothly slide to the fixing section 221 along the spherical guide surface 2231 from multiple angles when the fixed knife 1 is mounted on the fixed knife rest 2, and the mounting difficulty is reduced.

Optionally, as shown in fig. 2 and fig. 3, the stop block 222 is provided with a guide surface 2221.

The upper and lower edges of the limiting block 222 are provided with guiding surfaces 2221, and the guiding surfaces 2221 may be spherical, so that the limiting block 222 can be conveniently clamped into the through hole 11 or removed from the through hole 11.

Optionally, as shown in fig. 1, fig. 2, and fig. 4, the fixed tool holder 2 is provided with a positioning column 23, and the fixed tool 1 is provided with a positioning hole 12 matched with the positioning column 23.

Wherein, the positioning column 23 is arranged at the middle position of the fixed cutter frame 2, when the fixed cutter 1 is installed on the fixed cutter frame 2, the positioning column 23 can be inserted into the positioning hole 12, which is helpful for determining the mutual position between the fixed cutter 1 and the fixed cutter frame 2.

Optionally, as shown in fig. 3, the outer surface of the guide block 223 smoothly transitions with the outer surface of the fixing section 221.

Wherein, the outer surface of the guide block 223 and the outer surface of the fixing section 221 are designed to be in smooth transition, so that the fixing section 221 can smoothly enter and exit in the through hole 11.

Optionally, as shown in fig. 1, fig. 2, and fig. 3, the fixing segment 221 includes a first arc segment 2211 and a second arc segment 2212, the guide block 223 is connected to the top of the first arc segment 2211, and the stop block 222 is connected to the top of the second arc segment 2212.

The first arc-shaped section 2211 and the second arc-shaped section 2212 are arranged at intervals, and the outer contour formed by the first arc-shaped section 2211 and the second arc-shaped section 2212 is circular and matched with the through hole 11; the fixing section 221 is divided into two independent parts for design, the guide block 223 is arranged at the upper end of the first arc-shaped section 2211, and the limiting block 222 is arranged at the upper end of the lower second arc-shaped section 2212, so that the whole structure is conveniently subjected to injection molding.

Optionally, as shown in connection with fig. 3, a reinforcement block 2213 is connected between the first curved segment 2211 and the second curved segment 2212.

Wherein, add the reinforcement 2213 between first arc section 2211 and second arc section 2212, help strengthening the whole resistance to deformation intensity of erection column 22, ensure that the stationary knife 1 can firmly be installed in the locating rack.

Another embodiment of the present invention provides a hair trimmer including the stationary blade fixing structure as described above.

The hair trimmer in this embodiment, set up fixed section 221 and stopper 222 and guide block 223 on the erection column 22 of stationary knife rest 2, and through inserting stationary knife 1 and stationary knife rest 2 each other to one side earlier, make stopper 222 pass the through-hole 11 of stationary knife 1, rotate stationary knife 1 for stationary knife rest 2 again, make the through-hole 11 of stationary knife 1 can overlap outside fixed section 221 along the outer wall of guide block 223, in order to realize the fixed of mutual position between stationary knife 1 and the stationary knife rest 2, the process of hot melt equipment can be saved to this kind of project organization, the equipment is simple swift, the efficiency is improved, and low in production cost.

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. A fixed cutter fixing structure is characterized by comprising a fixed cutter (1) and a fixed cutter frame (2), wherein the fixed cutter frame (2) comprises a body (21) and a mounting column (22) convexly arranged on the body (21), the fixed cutter (1) is provided with a through hole (11) matched with the mounting column (22), the mounting column (22) comprises a fixing section (221), a limiting block (222) and a guide block (223) which are connected to the top of the fixing section (221), and the bottom of the fixing section (221) is connected with the body (21); during installation, the limiting block (222) is clamped into the through hole (11), the through hole (11) is sleeved outside the fixed section (221) along the guide block (223), and when the assembly of the fixed cutter (1) and the fixed cutter frame (2) is completed, the limiting block (222) is used for preventing the fixed cutter (1) from being separated from the fixed cutter frame (2).

2. The stationary knife fixing structure according to claim 1, wherein the stopper (222) is disposed opposite to the guide block (223).

3. Stationary knife fixing structure according to claim 1, characterized in that the body (21) is provided integrally with the mounting post (22).

4. Stationary knife fixing structure according to claim 1, characterized in that the guide block (223) has a spherical guide surface (2231).

5. The stationary knife fixing structure according to claim 1, characterized in that the stopper (222) is provided with a guide surface (2221).

6. The fixed cutter fixing structure according to claim 1, wherein the fixed cutter holder (2) is provided with a positioning column (23), and the fixed cutter (1) is provided with a positioning hole (12) engaged with the positioning column (23).

7. Stationary knife fixing structure according to claim 1, characterized in that the outer surface of the guide block (223) is in smooth transition with the outer surface of the fixing section (221).

8. The stationary knife fixing structure according to any one of claims 1-7, characterized in that the fixing section (221) comprises a first arc-shaped section (2211) and a second arc-shaped section (2212), the guide block (223) is connected to the top of the first arc-shaped section (2211), and the stop block (222) is connected to the top of the second arc-shaped section (2212).

9. The stationary knife fixing structure as claimed in claim 8, wherein a reinforcing block (2213) is connected between the first arc-shaped segment (2211) and the second arc-shaped segment (2212).

10. A hair trimmer comprising the fixed blade fixing structure according to any one of claims 1 to 9.