CN213145280U

CN213145280U - Pulley replacing mechanism

Info

Publication number: CN213145280U
Application number: CN202022141281.6U
Authority: CN
Inventors: 郑昌文; 郑光日; 桂宏彬
Original assignee: Qingdao Xinchangjin Machinery Co ltd
Current assignee: Qingdao Xinchangjin Machinery Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-05-07
Anticipated expiration: 2030-09-26

Abstract

The utility model discloses a mechanism is changed to pulley, which comprises a bracket, be equipped with the pulley in the support, the middle part of pulley runs through the bearing that is equipped with rather than fixed connection, run through on the support and install the bolt, the inner ring setting that the bolt runs through the bearing, the threaded connection of bolt has the nut, the nut offsets with the outer wall of support, it is equipped with first logical groove to run through on the bolt, first logical inslot sliding connection has two sliding blocks, two the sliding block all offsets with the nut, run through on the bolt and be equipped with the second logical groove that communicates each other with first logical groove, second logical groove female connection has adjusting screw, be equipped with pushing mechanism between adjusting screw and two sliding blocks, adjusting screw's other end fixedly connected with turning block. The utility model discloses it is rational in infrastructure, can make the stable connection of bolt and nut, and then guarantee the pulley and be connected with the support is stable, guarantee the stability after its installation.

Description

Pulley replacing mechanism

Technical Field

The utility model relates to a pulley installation technical field especially relates to a mechanism is changed to pulley.

Background

The pulley is integrally composed of a bracket and a wheel with a groove, and the wheel with the groove is mostly arranged with the bracket through a bolt and a nut; most of the existing pulleys are connected through bolts and nuts, so that the bolts and nuts which are vibrated for a long time are easy to loosen, the pulleys can slide, certain potential safety hazards exist, and therefore the pulley replacing mechanism is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the mechanism is changed to a pulley that proposes, it can make the stable connection of bolt and nut, and then guarantees pulley and the stable connection of support, guarantees the stability after its installation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mechanism is changed to pulley, includes the support, be equipped with the pulley in the support, the middle part of pulley runs through the bearing that is equipped with rather than fixed connection, run through on the support and install the bolt, the inner ring setting that the bolt runs through the bearing, the threaded connection of bolt has the nut, the nut offsets with the outer wall of support, it is equipped with first logical groove to run through on the bolt, first logical inslot sliding connection has two sliding blocks, two the sliding block all offsets with the nut, run through on the bolt and be equipped with the second that communicates each other with first logical groove and lead to the groove, second logical groove female connection has adjusting screw, be equipped with pushing mechanism between adjusting screw and two sliding blocks, adjusting screw's other end fixedly connected with turning block, the one end that the turning block carried on the back with adjusting screw is equipped with the plum.

Preferably, the second through groove is perpendicular to the first through groove, and the second through groove is arranged along the axial direction of the bolt.

Preferably, the first through groove is a rectangular groove, and the sliding block is a rectangular block matched with the first through groove.

Preferably, pushing mechanism includes two push rods of being connected with the sliding block rotation, adjusting screw's bottom is equipped with rather than the connecting block of being connected of rotating, two the other end of push rod all is connected with the connecting block rotation.

Preferably, a positioning block is fixedly connected in the second through groove, and the adjusting screw penetrates through the positioning block and is in threaded connection with the positioning block.

Preferably, the cross-sectional area of the connecting block is smaller than that of the second through groove.

Compared with the prior art, the utility model, its beneficial effect does:

rotate the turning block with the plum blossom bottle opener, the turning block rotates and drives adjusting screw and rotate, and then realize adjusting screw and connecting block and remove, and then realize that two push rods remove, thereby realize two sliding block back of the body removal, and the sliding block offsets with the nut, offset the nut through the sliding block, can carry on spacingly to the nut, make it difficult to rotate, and then guarantee that bolt and nut are difficult not hard up, the nut can carry on spacingly to the sliding block simultaneously, make the sliding block difficult to slide, and then realize that adjusting screw is spacing, make it difficult to rotate, finally can guarantee that the pulley is connected with the support steadily.

To sum up, the utility model discloses rational in infrastructure can make the stable connection of bolt and nut, and then guarantees pulley and the stable connection of support, guarantees the stability after its installation.

Drawings

Fig. 1 is a schematic structural view of a pulley replacing mechanism provided by the present invention;

fig. 2 is a cross-sectional view of a partial structure in the pulley replacing mechanism according to the present invention.

In the figure: the device comprises a support 1, a pulley 2, a bolt 3, a bearing 4, a nut 5, a sliding block 6, a first through groove 7, a push rod 8, a connecting block 9, a second through groove 10, a positioning block 11, an adjusting screw rod 12 and a rotating block 13.

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.

Referring to fig. 1-2, a pulley replacing mechanism includes a support 1, a pulley 2 is arranged in the support 1, a bearing 4 fixedly connected with the pulley 2 is arranged in the middle of the pulley 2 in a penetrating manner, a bolt 3 is arranged on the support 1 in a penetrating manner, the bolt 3 is arranged in a penetrating manner through an inner ring of the bearing 4, a nut 5 is connected to the bolt 3 in a threaded manner, and the nut 5 abuts against the outer wall of the support 1.

Run through on the bolt 3 and be equipped with first logical groove 7, first logical groove 7 sliding connection has two sliding blocks 6, and two sliding blocks 6 all offset with nut 5, and first logical groove 7 is the rectangular channel, and sliding block 6 be with first logical 7 assorted rectangular blocks that lead to, so sliding block 6 is great with the area of nut 5 contact, can increase the stable spacing to nut 5, makes it can not rotate and not hard up.

A second through groove 10 communicated with the first through groove 7 is arranged on the bolt 3 in a penetrating mode, an adjusting screw rod 12 is connected with the second through groove 10 in an internal thread mode, a positioning block 11 is fixedly connected in the second through groove 10, and the adjusting screw rod 12 penetrates through the positioning block 11 and is in threaded connection with the positioning block 11; be equipped with pushing mechanism between adjusting screw 12 and two sliding blocks 6, pushing mechanism includes two push rods 8 of being connected with sliding block 6 rotation, and adjusting screw 12's bottom is equipped with rather than the connecting block 9 of being connected of rotating, and two push rods 8's the other end all rotates with connecting block 9 to be connected, and connecting block 9's cross sectional area is less than the cross sectional area that the second led to groove 10, can guarantee that connecting block 9 can remove to the second led to in the groove 10.

The other end of the adjusting screw 12 is fixedly connected with a rotating block 13, and one end of the rotating block 13, which is opposite to the adjusting screw 12, is provided with a plum blossom groove, so that the rotating block 13 can be rotated by a plum blossom screwdriver.

The utility model discloses during the use, at first install nut 5 on bolt 3, offset until nut 5 and support 1, then the staff uses the plum blossom bottle opener to rotate turning block 13, turning block 13 rotates and drives adjusting screw 12 and rotate, and then realize adjusting screw 12 and connecting block 9 and remove, and then realize that two push rods 8 remove, thereby realize two sliding block 6 back of the body removal, and sliding block 6 offsets with nut 5, offset nut 5 through sliding block 6, can carry on spacingly to nut 5, make it difficult to rotate, and then guarantee that bolt 3 and nut 5 are difficult not hard up, nut 5 can carry on spacingly to sliding block 6 simultaneously, make sliding block 6 be difficult to slide, and then realize adjusting screw 12 spacing, make it difficult to rotate, finally can guarantee that pulley 2 is connected with support 1 steadily.

When the sliding block is detached, the rotating block 13 is rotated reversely, so that the sliding block 6 can slide into the first through groove 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pulley replacing mechanism comprises a support (1) and is characterized in that a pulley (2) is arranged in the support (1), a bearing (4) fixedly connected with the pulley (2) penetrates through the middle of the pulley (2), a bolt (3) penetrates through the support (1), the bolt (3) penetrates through an inner ring of the bearing (4) to be arranged, a nut (5) is connected with the bolt (3) through threads, the nut (5) abuts against the outer wall of the support (1), a first through groove (7) penetrates through the bolt (3), two sliding blocks (6) are connected in the first through groove (7) in a sliding mode, the two sliding blocks (6) abut against the nut (5), a second through groove (10) communicated with the first through groove (7) is formed in the bolt (3) in a penetrating mode, an adjusting screw rod (12) is connected in the second through groove (10) in a threaded mode, be equipped with pushing mechanism between adjusting screw (12) and two sliding blocks (6), the other end fixedly connected with turning block (13) of adjusting screw (12), the one end that turning block (13) and adjusting screw (12) carried on the back mutually is equipped with the plum blossom groove.

2. A pulley changing mechanism according to claim 1, wherein said second through slot (10) is arranged perpendicular to said first through slot (7), and said second through slot (10) is arranged along the axial direction of said bolt (3).

3. A pulley changing mechanism according to claim 1, wherein the first through slot (7) is a rectangular slot and the sliding block (6) is a rectangular block matching the first through slot (7).

4. A pulley changing mechanism according to claim 1, characterized in that the pushing mechanism comprises two push rods (8) rotatably connected with the sliding block (6), the bottom of the adjusting screw (12) is provided with a connecting block (9) rotatably connected with the adjusting screw, and the other ends of the two push rods (8) are rotatably connected with the connecting block (9).

5. The pulley changing mechanism according to claim 1, wherein a positioning block (11) is fixedly connected in the second through groove (10), and the adjusting screw (12) penetrates through the positioning block (11) and is in threaded connection with the positioning block.

6. A pulley changing mechanism according to claim 4, wherein the cross-sectional area of the connecting piece (9) is smaller than the cross-sectional area of the second through slot (10).