CN210731222U

CN210731222U - Saw blade for hand-held electric saw

Info

Publication number: CN210731222U
Application number: CN201921834934.XU
Authority: CN
Inventors: 殷军民
Original assignee: Zhenjiang Jiaozhida Tools Co Ltd
Current assignee: Zhenjiang Jiaozhida Tools Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-12
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a hand-held type is saw bit for electric saw relates to saw bit technical field, including saw disc and saw disc outer along with saw disc integrated into one piece's sawtooth, the shaft hole that runs through the saw disc is seted up at the middle part of saw disc, and the inside of saw disc is seted up a plurality of from the recess of shaft hole inside extension, be provided with the bullet piece in the recess, the bullet piece is provided with the elastic plate with recess back wall, the elastic plate includes first elastic plate and second elastic plate, the fixed surface is connected with the rear surface of bullet piece for first elastic plate, be provided with a plurality of spring between first elastic plate and the second elastic plate, first elastic plate and second elastic plate pass through spring elastic connection, the utility model relates to a hand-held type is saw bit for electric saw can diminish the vibrations that pass to user's hand, and the user holds electric saw firmer, and the kerf is more level and smooth.

Description

Saw blade for hand-held electric saw

Technical Field

The utility model relates to a saw bit technical field, in particular to electronic saw of hand-held type is with saw bit.

Background

The invention relates to an electric saw, also known as a power saw, invented by Andere of Germany, still in 1926, which greatly saves the time and manpower consumed by cutting materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hand-held type is saw bit for electric saw for solve the technical problem that above-mentioned background art exists.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a saw bit for hand-held type electric saw, includes saw disc and saw disc outer edge and saw disc integrated into one piece's sawtooth, the shaft hole that runs through the saw disc is seted up at the middle part of saw disc, the inside recess of seting up a plurality of from the inside extension in shaft hole of saw disc, be provided with the bullet piece in the recess, the bullet piece is provided with the elastic plate with recess back wall, the elastic plate includes first elastic plate and second elastic plate, the rear surface fixed connection of first elastic plate and bullet piece, be provided with a plurality of spring between first elastic plate and the second elastic plate, first elastic plate and second elastic plate pass through spring elastic connection.

Preferably, one end of the elastic block, which is far away from the first elastic plate, is arc-shaped, and the upper end of the elastic block is inclined, the height of which is gradually reduced from one side of the elastic plate to the other side of the elastic plate.

Preferably, the first elastic plate and the elastic block are internally provided with matched threaded holes, screws are inserted in the threaded holes, the first elastic plate and the elastic block are fixedly connected through the screws, and the second elastic plate is abutted against the rear wall of the groove.

Preferably, the number of the grooves is four, the grooves are uniformly distributed on the inner wall of the shaft hole, and the section size of the elastic block is the same as that of the grooves.

Preferably, the inside of the saw disc is further provided with a key hole extending outwards from the inner wall of the shaft hole, and the key hole is arranged to avoid the groove.

Preferably, the saw disc is further connected with an electric saw, and an output shaft of a motor inside the electric saw penetrates through the shaft hole.

The utility model has the advantages as follows: the utility model relates to a saw bit for hand-held type electric saw, cup joint the saw bit on the output shaft of the inside motor of electric saw through the shaft hole, the fixed back of accomplishing of motor output shaft, can extrude the bullet piece and make the bullet piece move to recess inside, first elastic plate rethread and extrusion spring make the spring shrink simultaneously, second elastic plate butt can make the spring be in the shrink state always after the recess, when saw treating the saw thing at the saw, the sawtooth and the vibrations of treating producing between the saw thing can be through the saw disc, accomplish the buffering to vibrations by the elastic deformation of the inside spring of recess, it diminishes to reach the epaxial vibrations of motor output, the user holds that electric saw is more firm, the kerf is more level and more smooth.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the mounting structure of the bullet block;

FIG. 3 is a schematic view of the structure of a bullet;

fig. 4 is a schematic view of a mounting structure of the saw blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.

With reference to fig. 1 to 4, the technical purpose of the present invention is achieved by the following technical solutions: a saw blade for a handheld electric saw comprises a saw disc 1 and saw teeth 2 integrally formed with the saw disc 1 on the outer edge of the saw disc 1, wherein a shaft hole 3 penetrating through the saw disc 1 is formed in the middle of the saw disc 1, the saw disc 1 is further connected with an electric saw 4, an output shaft 5 of a motor inside the electric saw 4 penetrates through the shaft hole 3, a plurality of grooves 6 extending inwards from the shaft hole 3 are formed in the saw disc 1, the number of the grooves 6 is four, the grooves are uniformly distributed on the inner wall of the shaft hole 3, elastic blocks 7 are arranged in the grooves 6, the cross sections of the elastic blocks 7 and the cross sections of the grooves 6 are the same, elastic plates are arranged on the rear walls of the elastic blocks 7 and the grooves 6, each elastic plate comprises a first elastic plate 8 and a second elastic plate 9, the first elastic plate 8 is fixedly connected with the rear surface of the elastic blocks 7, a plurality of springs 10 are arranged between the first elastic plate 8 and the second elastic plates 9, first elastic plate 8 and second elastic plate 9 pass through spring 10 elastic connection, the utility model relates to a hand-held type is saw blade for 4, cup joint the saw blade on the output shaft 5 of 4 inside motors of electric saw through shaft hole 3, motor output shaft 5 is fixed to be accomplished the back, can extrude the bullet piece 7 and make the bullet piece 7 to 6 inside removals of recess, first elastic plate 8 moves back simultaneously and extrudes spring 10 and make spring 10 shrink, 9 butts of second elastic plate can make spring 10 be in the shrink state always at recess 6 back wall, when saw treating saw thing, the vibrations that saw tooth 2 and treat to produce between the saw thing can pass through saw disc 1, accomplish the buffering to vibrations by the elastic deformation of 6 inside springs 10 of recess, reach the vibrations on the motor output shaft 5 and diminish, the user holds that electric saw 4 is harder, the kerf is more level and more smooth.

Preferably, the end of the elastic block 7 far away from the first elastic plate 8 is arc-shaped, the upper end of the elastic block 7 is inclined, the height of the upper end of the elastic block gradually decreases from one side of the elastic plate to the other side of the elastic plate, the elastic block 7 with the shape can be matched with the installation of the motor output shaft 5 through an arc-shaped surface, and in addition, the insertion of the motor output shaft 5 cannot be hindered.

Preferably, assorted screw hole 11 is seted up with the inside of bullet piece 7 to first springboard 8, and threaded hole 11 interpolation has screw 13, through screw 13 with first springboard 8 and bullet piece 7 fixed connection, second springboard 9 and recess 6's back wall butt, the utility model discloses when the installation, it is fixed with elastic plate through screw 13 and bullet piece 7, inside bullet piece 7 and the springboard put into recess 6 together for the slope end of bullet piece 7 is facing to the end that inserts of motor output shaft 5, inserts motor output shaft 5 can.

Preferably, the inside of the saw disc 1 is further provided with a key hole 12 extending outwards from the inner wall of the shaft hole 3, the key hole 12 is arranged to avoid the groove 6, and the arrangement of the key hole 12 can enhance the connection strength between the saw disc 1 and the motor output shaft 5 and prevent the saw disc 1 from falling off the motor output shaft 5.

The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a saw bit for hand-held type electric saw, includes saw disc and saw disc outer edge and saw disc integrated into one piece's sawtooth, the shaft hole that runs through the saw disc is seted up at the middle part of saw disc, its characterized in that: the saw disc is characterized in that a plurality of grooves extending inwards from the shaft holes are formed in the saw disc, elastic blocks are arranged in the grooves, elastic plates are arranged on the elastic blocks and the rear walls of the grooves, each elastic plate comprises a first elastic plate and a second elastic plate, the first elastic plates are fixedly connected with the rear surfaces of the elastic blocks, a plurality of springs are arranged between the first elastic plates and the second elastic plates, and the first elastic plates and the second elastic plates are elastically connected through the springs.

2. A saw blade for a hand-held power saw as defined in claim 1, wherein: the one end that the bullet piece was kept away from first elastic plate is circular-arc, and the upper end of bullet piece is the slope form that highly reduces gradually from one side of elastic plate to the opposite side.

3. A saw blade for a hand-held power saw as defined in claim 2, wherein: the first elastic plate and the elastic block are internally provided with matched threaded holes, screws are inserted in the threaded holes, the first elastic plate and the elastic block are fixedly connected through the screws, and the second elastic plate is abutted to the rear wall of the groove.

4. A saw blade for a hand-held power saw as defined in claim 3, wherein: the quantity of recess is four, and about shaft hole inner wall evenly distributed, the cross-sectional size of bullet piece is the same with the cross-sectional size of recess.

5. A saw blade for a hand-held power saw as defined in claim 4, wherein: the inside keyhole that extends from the shaft hole inner wall is still seted up to the saw disc, the keyhole avoids the recess setting.

6. A saw blade for a hand-held power saw as defined in claim 5, wherein: the saw disc is further connected with an electric saw, and an output shaft of a motor inside the electric saw penetrates through the shaft hole.