CN212868236U

CN212868236U - Shaft coupling convenient to installation

Info

Publication number: CN212868236U
Application number: CN202021548647.5U
Authority: CN
Inventors: 张静
Original assignee: Shenyang Jifeng Lihua Technology Co ltd
Current assignee: Shenyang Jifeng Lihua Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-02
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to the field of shaft coupling installation, in particular to a shaft coupling convenient to install, which comprises a driving shaft block, wherein the inner side of the driving shaft block is provided with a worm, the worm penetrates through the driving shaft block and is rotationally connected with the driving shaft block, the outer side of the worm is meshed with a worm wheel, the worm wheel is rotationally connected with the driving shaft block, the inner side of the worm wheel is spirally connected with a positioning threaded shaft, in the utility model, through the arranged positioning threaded shaft, the spiral connection of the matching threaded shaft with the worm wheel and a driven shaft block, the rotational connection of the driving shaft block with the worm wheel and a rotating block and the meshing of the worm wheel and the worm wheel are arranged, the worm is rotated, the positioning threaded shaft which is spirally connected inside the worm wheel is rotated through the worm wheel which is meshed outside the worm, the positioning threaded shaft rotates to pull the driven shaft block to be close to the driving shaft block to complete installation, and the mode can complete installation and fixation only, the installation difficulty of users is reduced.

Description

Shaft coupling convenient to installation

Technical Field

The utility model relates to a shaft coupling installation field specifically is a shaft coupling convenient to installation.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not falling off under normal conditions, sometimes used as a safety device for preventing the connected parts from bearing overlarge load and playing the role of overload protection, and is also called as a coupling for firmly connecting a driving shaft and a driven shaft in different mechanisms to rotate together and transmitting motion and torque.

The shaft coupling is at the fixed in-process of installation, and the majority uses threaded shaft and nut to install the shaft coupling and fix, and this kind of mounting means need use many to the threaded shaft, has increased user's the installation degree of difficulty, and the sleeve of connecting the axis of rotation simultaneously does not have any supplementary fixing device, leads to not hard up at shaft coupling pivoted in-process rotating shaft, and the axis of rotation takes place the friction with the connecting sleeve, reduction device's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaft coupling convenient to installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a shaft coupling convenient to install comprises a driving shaft block, wherein a worm is arranged on the inner side of the driving shaft block, the worm penetrates through the driving shaft block and is rotationally connected with the driving shaft block, a worm wheel is meshed on the outer side of the worm and is rotationally connected with the driving shaft block, a positioning threaded shaft is spirally connected on the inner side of the worm wheel and is rotationally connected with the driving shaft block, a diaphragm is slidably connected on the right side of the driving shaft block, a fixing strip is fixedly connected on the right side of the diaphragm, a driven shaft block is spirally connected on the right end of the outer side of the positioning threaded shaft, a connecting sleeve is fixedly connected on the left side of the driving shaft block and the right side of the driven shaft block, a rotating shaft is slidably connected on the inner side of the connecting sleeve, a clamping block is fixedly connected on the top end of the rotating shaft and is slidably connected with the connecting sleeve, and a top block is, the bottom end of the top block is fixedly connected with a protective pad.

Preferably, the left side fixedly connected with commentaries on classics piece of location threaded shaft, and commentaries on classics piece and initiative axle block rotate and be connected, it is cylindricly set up to change the piece.

Preferably, the left end of the driven shaft block is provided with three positioning grooves.

Preferably, the bottom fixedly connected with locating plate of protection pad, the locating plate runs through connecting sleeve, and locating plate and connecting sleeve sliding connection, the bottom fixedly connected with spring of locating plate, and the other end and the connecting sleeve fixed connection of spring.

Preferably, the protection pad is made of a plastic plate, and the left side and the right side of the protection pad are both arc-shaped.

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

1. in the utility model, through the arranged positioning threaded shaft, the arrangement is matched with the spiral connection of the threaded shaft and the worm wheel and the driven shaft block, the rotation connection of the driving shaft block and the worm and the rotating block and the meshing of the worm and the worm wheel, the worm is rotated, the positioning threaded shaft which is spirally connected inside the worm wheel is rotated through the rotation of the worm wheel meshed outside the worm, the positioning threaded shaft rotates to pull the driven shaft block to be close to the driving shaft block to complete the installation, the installation can be completed only by rotating the worm in the mode, and the installation difficulty of users is reduced;

2. the utility model discloses in, through the protection pad that sets up, this kind of fixed connection who sets up cooperation protection pad and kicking block and locating plate, axis of rotation and kicking block and connecting sleeve's sliding connection and spring and locating plate and connecting sleeve's fixed connection, in the axis of rotation inserts the connecting sleeve, the kicking block of axis of rotation extrusion below, the kicking block takes place deformation cooperation spring extrusion locating plate laminating axis of rotation to push down the protection pad and protects the location, prevents the wearing and tearing of axis of rotation, increases the life of device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the worm of the present invention;

fig. 3 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-driving shaft block, 2-worm, 3-worm wheel, 4-positioning threaded shaft, 5-diaphragm, 6-fixing strip, 7-driven shaft block, 8-connecting sleeve, 9-rotating shaft, 10-clamping block, 11-top block, 12-protective pad, 13-positioning plate, 14-spring and 15-rotating block.

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. 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.

Referring to fig. 1-3, the present invention provides a technical solution:

a shaft coupling convenient to install comprises a driving shaft block 1, wherein a worm 2 is arranged on the inner side of the driving shaft block 1, the worm 2 penetrates through the driving shaft block 1, the worm 2 is rotatably connected with the driving shaft block 1, a worm wheel 3 is meshed on the outer side of the worm 2, the worm wheel 3 is rotatably connected with the driving shaft block 1, a positioning threaded shaft 4 is spirally connected on the inner side of the worm wheel 3, the positioning threaded shaft 4 is rotatably connected with the driving shaft block 1, the worm 2 is favorable for driving the positioning threaded shaft 4 to rotate through the worm wheel 3, a diaphragm 5 is slidably connected on the right side of the driving shaft block 1, a fixing strip 6 is fixedly connected on the right side of the diaphragm 5, the driving shaft block 1 and a driven shaft block 7 are favorable for protecting and reducing abrasion, a driven shaft block 7 is spirally connected on the right end of the outer side of the positioning threaded shaft 4, a connecting sleeve 8 is fixedly connected on the left side of the driving shaft block 1 and the right side, the top fixedly connected with fixture block 10 of axis of rotation 9, and fixture block 10 and connecting sleeve 8 sliding connection, the bottom sliding connection of axis of rotation 9 has kicking block 11, and the bottom fixedly connected with protection of kicking block 11 fills up 12, is favorable to kicking block 11 to support protection axis of rotation 9.

The left side of the positioning threaded shaft 4 is fixedly connected with a rotating block 15, the rotating block 15 is rotatably connected with the driving shaft block 1, and the rotating block 15 is arranged in a cylindrical shape, so that the rotating block 15 can fix the position of the positioning threaded shaft 4 conveniently; the left end of the driven shaft block 7 is provided with three positioning grooves, so that the diaphragms 5 are conveniently attached and fixed on the driven shaft block 7; the bottom end of the protective pad 12 is fixedly connected with a positioning plate 13, the positioning plate 13 penetrates through the connecting sleeve 8, the positioning plate 13 is connected with the connecting sleeve 8 in a sliding mode, the bottom end of the positioning plate 13 is fixedly connected with a spring 14, and the other end of the spring 14 is fixedly connected with the connecting sleeve 8, so that the positioning plate 13 can extrude the spring 14 to move in the connecting sleeve 8 conveniently; the protection pad 12 is made of a plastic plate, and the left side and the right side of the protection pad 12 are both arc-shaped, so that the rotation shaft 9 can extrude the protection pad 12 made of plastic to move downwards to enter the connecting sleeve 8.

The working process is as follows: when the coupler is used, a driving shaft block 1 and a driven shaft block 7 of the coupler device are taken out, a fixing strip 6 on a diaphragm 5 is clamped into a limiting groove on the driven shaft block 7, a rotating shaft 9 and a clamping block 10 at the top end of the rotating shaft 9 are clamped into a positioning groove in a connecting sleeve 8, the rotating shaft 9 extrudes a top block 11 in the connecting sleeve 8, the top block 11 pushes a protective pad 12 to extrude a positioning plate 13 downwards, the positioning plate 13 extrudes a spring 14 downwards to shrink into the connecting sleeve 8 to position the rotating shaft 9 and simultaneously prevent the rotating shaft 9 from being worn and loosened, a worker inserts a positioning threaded shaft 4 on the driving shaft block 1 into a threaded groove on the driven shaft block 7 in an alignment manner, a tool starts to rotate a worm 2 clockwise, the worm 2 rotates in the driving shaft block 1, a worm wheel 3 meshed with the outer side of the worm 2 starts to rotate in the driving shaft block 1, the worm wheel 3 rotates to drive the positioning threaded shaft 4 on the inner side to start to rotate in the driving shaft block, location threaded shaft 4 is fixed a position in initiative axle piece 1 through changeing piece 15, and then the driven axle piece 7 on pulling location threaded shaft 4 right side removes in initiative axle piece 1, and driven axle piece 7 drives diaphragm 5 and laminates and carry out the whole shaft coupling of fixed connection on initiative axle piece 1, and when needs dismantlement shaft coupling, anticlockwise rotation worm 2 can be with driven axle piece 7 through location threaded shaft 4 commentaries on classics from initiative axle piece 1, the completion dismantlement.

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. A shaft coupling convenient to installation, includes initiative axle piece (1), its characterized in that: the worm (2) is arranged on the inner side of the driving shaft block (1), the worm (2) penetrates through the driving shaft block (1), the worm (2) is rotatably connected with the driving shaft block (1), the worm wheel (3) is meshed with the outer side of the worm (2), the worm wheel (3) is rotatably connected with the driving shaft block (1), the inner side of the worm wheel (3) is spirally connected with a positioning threaded shaft (4), the positioning threaded shaft (4) is rotatably connected with the driving shaft block (1), the right side of the driving shaft block (1) is slidably connected with a diaphragm (5), the right side of the diaphragm (5) is fixedly connected with a fixing strip (6), the outer side right end of the positioning threaded shaft (4) is spirally connected with a driven shaft block (7), the left side of the driving shaft block (1) and the right side of the driven shaft block (7) are fixedly connected with a connecting sleeve (8), the inner side of the connecting sleeve (8) is slidably connected with a rotating shaft (9), the top fixedly connected with fixture block (10) of axis of rotation (9), and fixture block (10) and adapter sleeve (8) sliding connection, the bottom sliding connection of axis of rotation (9) has kicking block (11), the bottom fixedly connected with protection pad (12) of kicking block (11).

2. A coupling for facilitating installation according to claim 1, wherein: the left side fixedly connected with of location threaded shaft (4) changes piece (15), and changes piece (15) and is connected with initiative axle piece (1) rotation, it is cylindric setting to change piece (15).

3. A coupling for facilitating installation according to claim 1, wherein: the left end of the driven shaft block (7) is provided with three positioning grooves.

4. A coupling for facilitating installation according to claim 1, wherein: the bottom fixedly connected with locating plate (13) of protection pad (12), locating plate (13) run through connecting sleeve (8), and locating plate (13) and connecting sleeve (8) sliding connection, the bottom fixedly connected with spring (14) of locating plate (13), and the other end and connecting sleeve (8) fixed connection of spring (14).

5. A coupling for facilitating installation according to claim 1, wherein: the protection pad (12) is made of plastic plates, and the left side and the right side of the protection pad (12) are arranged in an arc shape.