CN211101905U

CN211101905U - Left-right tooth-division type reciprocating saw blade

Info

Publication number: CN211101905U
Application number: CN201921932615.2U
Authority: CN
Inventors: 安慧
Original assignee: Jiashan Hetai Hardware Tool Co ltd
Current assignee: Jiashan Hetai Hardware Tool Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-28
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a left-right tooth-division type reciprocating saw blade, which comprises a saw blade, wherein the right end of the saw blade is provided with an installation part, the upper end of the saw blade is sequentially provided with a plurality of saw tooth units from left to right, each saw tooth unit comprises 2 long saw teeth and 1 short tooth part, the 2 long saw teeth are respectively positioned at two ends of the short tooth part, the height of the peak of the long saw teeth is consistent with that of the peak of the short saw teeth, each long saw tooth comprises a first front surface and a first back surface, the first front surface and the first back surface are respectively flushed with two side surfaces of the saw blade, the first front surface and the second back surface are both in a triangular shape, the size of the first front surface is consistent with that of the second front surface, the height of the first front surface is lower than that of the first back surface, each short saw tooth comprises a second front surface and a second back surface, the second front surface and the second back surface are respectively flushed with two side surfaces of the saw, the height of the second front surface is lower than that of the first back surface, and the front surfaces of the two adjacent sawteeth are oppositely arranged.

Description

Left-right tooth-division type reciprocating saw blade

Technical Field

The utility model relates to a saw blade technical field, concretely relates to control reciprocal saw blade of branch tooth formula.

Background

Existing reciprocating tools have a variety of uses and features. Reciprocating tools include reciprocating saws, powered chisels, rotary impact drills, and the like.

Reciprocating saws include a multi-purpose sawing tool that is often used for demolition purposes because of its convenience and portability. In addition, the reciprocating saw can perform a cutting operation on the hard to reach a desired position. Reciprocating saws are also used in woodworking operations such as making profile cuts with a jigsaw or cutting a module into a workpiece.

Prior art reciprocating saws include a reciprocating driven saw bar and a saw blade attached thereto. The prior art teaches fastening a saw blade to a saw bar by means of threaded fasteners engaging the saw blade and the saw bar. The threaded fastener typically secures a blade clamp to the saw bar in order to clamp the blade.

However, the reciprocating saw blades used in the prior art are generally unstable during cutting, and have short service life due to high use strength, and need to be replaced with new ones frequently, resulting in large waste of cost.

It is therefore desirable to improve the construction of existing saw blades to provide high cutting stability and a long life.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a left and right tooth-dividing type reciprocating saw blade with high cutting stability and long service life.

In order to realize the technical effect, the utility model discloses a following scheme:

a left-right tooth-division type reciprocating saw blade comprises a saw blade, wherein an installation part is arranged at the right end of the saw blade, a plurality of saw tooth units are sequentially arranged at the upper end of the saw blade from left to right, two adjacent saw tooth units are in uninterrupted connection, each saw tooth unit comprises 2 long saw teeth and 1 short tooth part, the 2 long saw teeth are respectively positioned at two ends of each short tooth part, each short tooth part comprises 4 short saw teeth, the height of the highest point of each long saw tooth is consistent with that of the highest point of each short saw tooth, each long saw tooth comprises a first front surface and a first back surface, the first front surface and the first back surface are respectively flush with two side surfaces of the saw blade, the first front surface and the second back surface are both in a triangular shape, the first front surface and the second front surface are consistent in size, the height of the first front surface is lower than that of the first back surface, each short saw tooth comprises a second front surface and a second back surface, the second front surface and the, the size of the second front surface is consistent with that of the second back surface, the height of the second front surface is lower than that of the first back surface, and the front surfaces of the two adjacent sawteeth are oppositely arranged.

In a further preferred embodiment, the connecting portion between two adjacent saw teeth is in a circular arc transition.

In a further preferable scheme, an included angle between two bevel edges connected between two adjacent short sawteeth is 46 degrees; the included angle between two bevel edges connected between two adjacent long sawteeth is 32 degrees; the angle between two bevel edges connected between the adjacent long saw teeth and the short saw teeth is 46 degrees.

Further preferably, the distance between two adjacent saw teeth is 5 mm.

Further preferably, the long saw teeth have a height of 6.09mm and the short saw teeth have a height of 4.33 mm.

Further preferably, the oblique side of the left side of the first saw tooth on the saw blade at the left end is inclined downwards to be connected with the left end of the saw blade, and the inclination angle is 30 degrees.

Compared with the prior art, the beneficial effects are:

the utility model discloses a technical scheme improved saw blade in use's cutting stability, improved life to greatly reduced manufacturing cost.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a partial enlarged view of the present invention.

Reference numerals: 1. a saw blade; 2. an installation part; 3. long saw teeth; 301. a first back surface; 302. a first front surface; 4. short saw teeth; 401. a second back surface; 402. a second front surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

A left-right tooth division type reciprocating saw blade comprises a saw blade 1, wherein the right end of the saw blade 1 is provided with an installation part 2, the upper end of the saw blade 1 is sequentially provided with a plurality of saw tooth units from left to right, two adjacent saw tooth units are uninterruptedly connected, each saw tooth unit comprises 2 long saw teeth 3 and 1 short saw tooth part, the 2 long saw teeth 3 are respectively positioned at two ends of each short saw tooth part, each short saw tooth part comprises 4 short saw teeth 4, the 4 short saw teeth 4 are uniformly distributed on a saw body from left side, the heights of the highest points of the long saw teeth 3 and the short saw teeth 4 are consistent, the heights of the lowest points of the long saw teeth 3 are lower than the heights of the lowest points of the short saw teeth 4, each long saw tooth 3 comprises a first front 302 and a first back 301, the first front 302 and the first back 301 are respectively flush with two side surfaces of the saw blade 1, the first front 302 and the second back 401 are both in a triangular shape, the first front 302 and the second front 402 are consistent in size, and the height of, the short saw teeth 4 comprise a second front face 402 and a second back face 401, the second front face 402 and the second back face 401 are respectively flush with two side faces of the saw blade 1, the second front face 402 and the second back face 401 are both triangular, the second front face 402 and the second back face 401 are identical in size, the height of the second front face 402 is lower than that of the first back face 301, and the front faces of the two adjacent saw teeth are oppositely arranged.

In a further preferable scheme, an included angle between two bevel edges connected between two adjacent short sawteeth 4 is 46 degrees; the included angle between two bevel edges connected between two adjacent long sawteeth 3 is 32 degrees; the angle between the two bevel edges connected between the adjacent long saw teeth 3 and the short saw teeth 4 is 46 degrees.

Further preferably, the distance between two adjacent saw teeth is 5 mm.

In a further preferred embodiment, the long teeth 3 have a height of 6.09mm and the short teeth 4 have a height of 4.33 mm.

Further preferably, the oblique side of the left side of the first saw tooth on the left end of the saw blade 1 is inclined downwards and connected with the left end of the saw blade 1, and the inclined angle is 30 degrees.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Claims

1. A left-right tooth-division type reciprocating saw blade is characterized by comprising a saw blade, wherein the right end of the saw blade is provided with an installation part, the upper end of the saw blade is sequentially provided with a plurality of saw tooth units from left to right, two adjacent saw tooth units are uninterruptedly connected, each saw tooth unit comprises 2 long saw teeth and 1 short tooth part, the 2 long saw teeth are respectively positioned at two ends of each short tooth part, each short tooth part comprises 4 short saw teeth, the heights of the highest points of the long saw teeth and the short saw teeth are consistent, each long saw tooth comprises a first front surface and a first back surface, the first front surface and the first back surfaces are respectively flush with two side surfaces of the saw blade, the first front surface and the second back surfaces are both triangular, the sizes of the first front surface and the second front surface are consistent, the height of the first front surface is lower than that of the first back surface, each short saw tooth comprises a second front surface and a second back surface, the second front surface and the second back surfaces are respectively flush with the, the size of the second front surface is consistent with that of the second back surface, the height of the second front surface is lower than that of the first back surface, and the front surfaces of the two adjacent sawteeth are oppositely arranged.

2. The left-right split reciprocating saw blade of claim 1, wherein the junction between two adjacent teeth is radiused.

3. The left-right split reciprocating saw blade of claim 1, wherein the angle between the two beveled edges connecting adjacent two short teeth is 46 °; the included angle between two bevel edges connected between two adjacent long sawteeth is 32 degrees; the angle between two bevel edges connected between the adjacent long saw teeth and the short saw teeth is 46 degrees.

4. The left-right split reciprocating saw blade of claim 1, wherein the distance between two adjacent teeth is 5 mm.

5. The left-right split reciprocating saw blade of claim 1, wherein the long teeth have a height of 6.09mm and the short teeth have a height of 4.33 mm.

6. The left-right split reciprocating saw blade according to claim 1, wherein the bevel edge of the left side of the first tooth on the left end of the blade is inclined downward to be connected to the left end of the blade at an angle of 30 °.