CN213531037U

CN213531037U - Connecting structure of saw blade

Info

Publication number: CN213531037U
Application number: CN202022122851.7U
Authority: CN
Inventors: 冷新俊
Original assignee: Shuyang Haotefu Tool Co ltd
Current assignee: Shuyang Haotefu Tool Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-25
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a connection structure of saw bit, include even a section of thick bamboo, even a section of thick bamboo upper end axial outer wall fixed connection flexure strip, the radial lateral wall sliding connection of flexure strip inner chamber has the connecting block, the connecting block is inverted circular platform shape, and the laminating of the radial outer wall of connecting block and flexure strip inner wall, the flexure strip has been close to even the one end radial outer wall of a section of thick bamboo and has been seted up the mounting groove, mounting groove inner wall fixed connection has the saw bit, the connecting block is close to even a section of thick bamboo one end axial lateral wall fixed connection internal thread section of thick bamboo, and internal thread section of. The utility model discloses an establish flexure strip and connecting block cooperation, strut the flexure strip through the connecting block when installing the saw bit, make mounting groove inner wall and the laminating of saw bit inner circle to with the saw bit fixed, solved traditional saw bit and passed through screw and motor power transmission axle lug connection, very expend the technical problem of time when changing the saw bit, the effectual speed that promotes the saw bit dismouting practices thrift the saw bit change time.

Description

Connecting structure of saw blade

Technical Field

The utility model relates to a relevant technical field of saw bit specifically is a connection structure of saw bit.

Background

Can use the saw bit to cut the object often in daily work production, wearing and tearing can appear in the use of saw bit simultaneously, just need change the saw bit this moment, and the saw bit is through screw and motor power transmission axle lug connection among the prior art, need dismantle earlier fastening screw in the process of dismantling the change saw bit, and very expend time, the connection structure of a saw bit is needed in order to solve above-mentioned problem promptly now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure of saw bit to solve the traditional saw bit that proposes in the above-mentioned background art and pass through screw and motor power transmission axle lug connection, very consume the problem of time when changing the saw bit.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a connection structure of saw bit, includes even a section of thick bamboo, even a section of thick bamboo upper end axial outer wall fixed connection flexure strip, the radial lateral wall sliding connection of flexure strip inner chamber has the connecting block, the connecting block is inverted round platform shape, and the laminating of the radial outer wall of connecting block and flexure strip inner wall, the flexure strip has been close to the one end radial outer wall of even a section of thick bamboo and has been seted up the mounting groove, mounting groove inner wall fixedly connected with saw bit.

Preferably, the connecting block is close to even a section of thick bamboo one end axial lateral wall fixed connection internal thread section of thick bamboo, and internal thread section of thick bamboo extends to even a section of thick bamboo inner chamber, the radial outer wall fixed connection guide block of internal thread section of thick bamboo, internal thread section of thick bamboo passes through the guide block and links a section of thick bamboo inner wall sliding connection, internal thread section of thick bamboo has the lead screw through threaded connection, the lead screw is kept away from the one end axial lateral wall fixed connection worm wheel of internal thread section of thick bamboo, the worm wheel meshing has the worm, the worm rotates.

Preferably, the mounting groove inner cavity is fixedly connected with an anti-skid block, the radial side wall of the inner ring of the saw blade is provided with a fixing groove, and the anti-skid block is clamped with the fixing groove.

Preferably, one end of the worm extends out of the axial side wall of the end, far away from the elastic sheet, of the connecting cylinder, and a hexagonal groove is formed in the axial side wall of the end, extending out of the connecting cylinder, of the worm.

Preferably, one end of the connecting cylinder, which is far away from the elastic sheet, is provided with a connecting groove for being connected with a motor power transmission shaft along the axial side wall.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through establishing the flexure strip and the cooperation of connecting block, strut the flexure strip through the connecting block when installing the saw bit, make mounting groove inner wall and the laminating of saw bit inner circle to with the saw bit fixed, solved traditional saw bit and passed through screw and motor power transmission axle lug connection, very expend time's technical problem when changing the saw bit, the effectual speed that promotes the saw bit dismouting practices thrift the saw bit change time.

2. Through setting up the worm gear and drive the lead screw and rotate, the effectual technical problem who has solved saw bit during operation lead screw because external force influence takes place the rotation and causes the saw bit not hard up can further promote the security performance that the saw bit used.

Drawings

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

fig. 2 is a sectional view of the connecting cylinder in the embodiment of the present invention.

In the figure: 1. a saw blade; 2. connecting the cylinders; 3. an elastic sheet; 4. mounting grooves; 41. anti-skid blocks; 5. connecting blocks; 6. an internal threaded barrel; 61. a guide block; 7. a screw rod; 8. a worm gear; 9. a worm.

Detailed Description

In order to promote the speed of saw bit dismouting, practice thrift saw bit change time, the embodiment of the utility model provides a connection structure of saw bit. 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present embodiment provides a connection structure of a saw blade, including a connecting cylinder 2, an elastic sheet 3 is fixedly connected to an axial outer wall of the upper end of the connecting cylinder 2, a connection block 5 is slidably connected to a radial side wall of an inner cavity of the elastic sheet 3, the connection block 5 is in an inverted circular truncated cone shape, a radial outer wall of the connection block 5 is attached to an inner wall of the elastic sheet 3, a mounting groove 4 is formed in a radial outer wall of one end of the elastic sheet 3, which is close to the connecting cylinder 2, and a saw blade 1 is fixedly.

Wherein, make the outside expansion of flexure strip 3 through connecting block 5 to 3 internal motion of flexure strip, it is fixed with saw bit 1 to be total to laminate in mounting groove 4 that the flexure strip 3 was seted up and the saw bit 1, can be quick with saw bit 1 with even a section of thick bamboo 2 is fixed.

In addition, a connecting groove used for rotating with the motor power transmission shaft is provided to the axial side wall of one end of the connecting cylinder 2 far away from the elastic sheet 3, the connecting cylinder 2 is driven by the motor to rotate, then the saw blade 1 is driven to rotate, the inner cavity of the mounting groove 4 is fixedly connected with the anti-slip block 41, the fixing groove is provided to the radial side wall of the inner ring of the saw blade 1, the anti-slip block 41 is clamped with the fixing groove, and the saw blade 1 can be prevented from.

Connecting block 5 is close to even 2 one end axial lateral wall fixed connection internal thread section of thick bamboo 6 of a section of thick bamboo, and internal thread section of thick bamboo 6 extends to even 2 inner chambers of a section of thick bamboo, the radial outer wall fixed connection guide block 61 of internal thread section of thick bamboo 6, internal thread section of thick bamboo 6 is through guide block 61 and even 2 inner wall sliding connection, internal thread section of thick bamboo 6 has lead screw 7 through threaded connection, the one end axial lateral wall fixed connection worm wheel 8 of internal thread section of thick bamboo 6 is kept away from to lead screw 7, worm wheel 8 meshes has worm 9, worm 9 rotates with even 2 inner walls of a section of thick bamboo and is connected worm 9 one end and extend even 2 one end axial lateral walls of keeping away from flexure.

Thereby, thereby drive worm wheel 8 through rotatory worm 9 and rotate, worm wheel 8 drives lead screw 7 and rotates, utilizes screw transmission to make internal thread section of thick bamboo 6 drive connecting block 5 motion, and wherein the cooperation of worm wheel 8 worm 9 can prevent that lead screw 7 reversal from causing saw bit 1 not hard up, the effectual security that improves saw bit 1 and use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connection structure of saw bit, includes even a section of thick bamboo (2), its characterized in that: even a section of thick bamboo (2) upper end axial outer wall fixed connection flexure strip (3), flexure strip (3) inner chamber radial lateral wall sliding connection has connecting block (5), connecting block (5) are inverted round platform shape, and the laminating of connecting block (5) radial outer wall and flexure strip (3) inner wall, mounting groove (4) have been seted up to the radial outer wall of one end that flexure strip (3) are close to even a section of thick bamboo (2), mounting groove (4) inner wall fixedly connected with saw bit (1).

2. The coupling structure of a saw blade as set forth in claim 1, wherein: connecting block (5) are close to even a section of thick bamboo (2) one end axial lateral wall fixed connection internal thread section of thick bamboo (6), and internal thread section of thick bamboo (6) extend to even a section of thick bamboo (2) inner chamber, internal thread section of thick bamboo (6) radial outer wall fixed connection guide block (61), internal thread section of thick bamboo (6) through guide block (61) with even a section of thick bamboo (2) inner wall sliding connection, internal thread section of thick bamboo (6) have lead screw (7) through threaded connection, the one end axial lateral wall fixed connection worm wheel (8) of internal thread section of thick bamboo (6) are kept away from in lead screw (7), worm wheel (8) meshing has worm (9), worm (9) rotate with even a section of thick bamboo (2).

3. The coupling structure of a saw blade as set forth in claim 1, wherein: the saw blade mounting structure is characterized in that an anti-slip block (41) is fixedly connected to the inner cavity of the mounting groove (4), a fixing groove is formed in the radial side wall of the inner ring of the saw blade (1), and the anti-slip block (41) is clamped with the fixing groove.

4. The coupling structure of a saw blade as set forth in claim 2, wherein: one end of the worm (9) extends out of the axial side wall of one end of the connecting cylinder (2) far away from the elastic sheet (3), and a hexagonal groove is formed in the axial side wall of one end of the worm (9) extending out of the connecting cylinder (2).

5. The coupling structure of a saw blade as set forth in claim 1, wherein: one end of the connecting cylinder (2) far away from the elastic sheet (3) is provided with a connecting groove for connecting with a motor power transmission shaft.