CN220354405U

CN220354405U - Synchronous pulley

Info

Publication number: CN220354405U
Application number: CN202321577276.7U
Authority: CN
Inventors: 赵炎飞; 钱学红
Original assignee: Nantong Xinfei Precision Machinery Engineering Co ltd
Current assignee: Nantong Xinfei Precision Machinery Engineering Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2024-01-16
Anticipated expiration: 2033-06-20

Abstract

The utility model belongs to the field of synchronous pulleys, and provides a synchronous pulley which comprises a mounting plate, wherein synchronous pulleys are symmetrically arranged at the upper end of the mounting plate through a rotating shaft, the two synchronous pulleys are in transmission connection through a synchronous belt, first mounting blocks are symmetrically arranged at the upper end of the mounting plate, through holes for mounting U-shaped blocks are formed in the two first mounting blocks, first U-shaped frames are fixedly arranged at opposite ends of the two U-shaped blocks, first rotating rods are rotatably connected to the inner parts of the two first U-shaped frames, and first limiting cylinders are fixedly arranged outside the two first rotating rods.

Description

Synchronous pulley

Technical Field

The utility model relates to the field of synchronous pulleys, in particular to a synchronous pulley.

Background

The synchronous belt wheel is made of steel, aluminium alloy, cast iron, brass and other materials, and has circular hole, D-shaped hole, conic hole and other forms, and the synchronous belt wheel is formed by a closed ring belt with equidistant teeth on its inner peripheral surface and corresponding belt wheel.

When the synchronous belt wheel is used, the synchronous belt is arranged on the synchronous belt wheel device in a sleeving and installing mode, so that the synchronous belt can be fixedly arranged, if the synchronous belt is used for working for a long time, the deformation of the synchronous belt can be caused, the service life of the synchronous belt is reduced, the synchronous belt wheel device is not beneficial to use, in addition, in the using process of the synchronous belt wheel device, the synchronous belt is in a rotating transmission state for a long time, if the synchronous belt is in a rotating transmission state for a long time, the synchronous belt can fall off from the synchronous belt wheel device, and the use of the synchronous belt wheel device is affected.

Disclosure of Invention

The synchronous belt pulley is used for solving the problems that when the synchronous belt pulley is used, the synchronous belt is fixedly installed on the synchronous belt pulley device in a sleeving installation mode, if the synchronous belt is used for a long time, the synchronous belt is deformed and loosened, the service life of the synchronous belt is shortened, the use of the synchronous belt pulley device is not facilitated, and in the using process of the synchronous belt pulley device, the synchronous belt is in a rotating transmission state for a long time, if the speed of the synchronous belt transmission is too high, the synchronous belt can fall off from the synchronous belt pulley device, and the use of the synchronous belt pulley device is affected.

The technical scheme provided by the utility model is as follows: the utility model provides a synchronous pulley, including the mounting panel, the synchronizing wheel is installed through the pivot symmetry to the upper end of mounting panel, connects through the hold-in range transmission between two synchronizing wheels, and first installation piece is installed to the upper end symmetry of mounting panel, and the through-hole that is used for installing U type piece is all offered to the inside of two first installation pieces, and the equal fixed mounting of the one end that two U type pieces are relative has first U type frame, and the inside of two first U type frames is all rotated and is connected with first bull stick, and the equal fixed mounting in outside of two first bull sticks has first spacing section of thick bamboo.

Preferably, the telescopic rods are fixedly installed at the opposite ends of the two mounting plates, the telescopic ends of the two telescopic rods are fixedly connected with the side walls of the two first U-shaped frames respectively, the first springs are sleeved outside the two telescopic rods, and the two ends of each first spring are fixedly connected with the first mounting blocks and the side walls of the first U-shaped frames respectively.

Preferably, the fixed block is all installed to the lateral wall of two first installation pieces, and the through-hole that is used for installing the pull rod is all seted up to the inside of two fixed blocks, and the equal fixed mounting of one end of two pull rods has the fixture block, and the outside of two pull rods all overlaps and is equipped with the second spring, and the both ends of second spring are respectively with the lateral wall fixed connection of fixed block and fixture block, and the draw-in groove with fixture block looks adaptation has been seted up to the upper end of U type piece.

Preferably, the front end and the rear end of the mounting plate are fixedly provided with second mounting blocks, threaded holes for mounting screws are formed in the two second mounting blocks, the second U-shaped frames are mounted at one ends of the two screws through bearings, second rotating rods are rotatably connected to the inner parts of the two second U-shaped frames, and second limiting cylinders are fixedly mounted outside the two second rotating rods.

Preferably, limiting blocks are fixedly arranged at the lower ends of the two second U-shaped frames, and limiting grooves matched with the limiting blocks are formed in the upper surfaces of the mounting blocks.

Preferably, the first limiting cylinder and the second limiting cylinder are in contact with the outer surface of the synchronous belt.

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

(1) According to the synchronous pulley, the clamping blocks are driven to be far away from the clamping grooves on the U-shaped blocks by pulling the pull rods, so that the first U-shaped frame can move under the action of the telescopic rods and the first springs, and the first limiting cylinder in the first U-shaped frame is driven to move, so that the first limiting cylinder is abutted against the synchronous belt in operation, the two ends of the synchronous belt are limited, and the synchronous belt is prevented from falling off from the synchronous pulley device.

(2) According to the synchronous pulley, the second U-shaped frame is driven to move by rotating the screw, so that the limiting cylinder in the second U-shaped frame is driven to abut against two sides of the synchronous belt, and the synchronous belt is further prevented from falling off from the synchronous pulley device.

Drawings

Fig. 1 is a front view of a synchronous pulley of the present utility model;

fig. 2 is a top view of the synchronous pulley of the present utility model;

fig. 3 is a side view of the synchronous pulley of the present utility model;

fig. 4 is a schematic view of a part of the components in the present utility model.

The reference numerals are as follows: 1. the device comprises a mounting plate, 2, a first mounting block, 3, a U-shaped block, 4, a first U-shaped frame, 5, a first limiting cylinder, 6, a synchronous wheel, 7, a synchronous belt, 8, a second mounting block, 9, a screw rod, 10, a second U-shaped frame, 11, a first rotating rod, 12, a telescopic rod, 13, a first spring, 14, a fixed block, 15, a pull rod, 16, a clamping block, 17, a second spring, 18, a limiting block, 19, a limiting groove, 20, a second rotating rod, 21 and a second limiting cylinder.

Detailed Description

The utility model will be described in further detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model relates to a synchronous pulley, which comprises a mounting plate 1, wherein synchronous pulleys 6 are symmetrically arranged at the upper end of the mounting plate 1 through a rotating shaft, two synchronous pulleys 6 are in transmission connection through a synchronous belt 7, first mounting blocks 2 are symmetrically arranged at the upper end of the mounting plate 1, through holes for mounting U-shaped blocks 3 are formed in the two first mounting blocks 2, first U-shaped frames 4 are fixedly arranged at opposite ends of the two U-shaped blocks 3, first rotating rods 11 are rotatably connected to the inner parts of the two first U-shaped frames 4, first limiting cylinders 5 are fixedly arranged at the outer parts of the two first rotating rods 11, two ends of the synchronous belt 7 can be limited by the aid of the first limiting cylinders 5, and the synchronous belt 7 is prevented from falling off from a synchronous belt 7-pulley device.

The telescopic links 12 are fixedly installed at the opposite ends of the two mounting plates 1, the telescopic ends of the two telescopic links 12 are fixedly connected with the side walls of the two first U-shaped frames 4 respectively, the first springs 13 are sleeved outside the two telescopic links 12, the two ends of each first spring 13 are fixedly connected with the side walls of the first mounting blocks 2 and the first U-shaped frames 4 respectively, and the first U-shaped frames 4 can be driven to move by utilizing the cooperation between the telescopic links 12 and the first springs 13.

The fixed block 14 is all installed to the lateral wall of two first installation pieces 2, the through-hole that is used for installing pull rod 15 is all offered to the inside of two fixed blocks 14, the equal fixed mounting of one end of two pull rods 15 has fixture block 16, the outside of two pull rods 15 all overlaps and is equipped with second spring 17, the both ends of second spring 17 respectively with the lateral wall fixed connection of fixed block 14 and fixture block 16, the draw-in groove with fixture block 16 looks adaptation has been offered to the upper end of U type piece 3, utilize pull rod 15 cooperation second spring 17 work, can spacing U type piece 3, prevent that first U type frame 4 from rocking at will.

The front and back both ends of mounting panel 1 all fixed mounting has second installation piece 8, the screw hole that is used for installing screw rod 9 has all been seted up to the inside of two second installation pieces 8, second U type frame 10 is all installed through the bearing to the one end of two screw rods 9, the inside of two second U type frames 10 is all rotated and is connected with second bull stick 20, the outside of two second bull sticks 20 is all fixed mounting has second spacing section of thick bamboo 21, drive second U type frame 10 through rotating screw rod 9 and remove, thereby drive the inside spacing section of thick bamboo of second U type frame 10 and the both sides of hold-in range 7 conflict, further prevent hold-in range 7 come off from hold-in range 7 round devices.

Limiting blocks 18 are fixedly installed at the lower ends of the two second U-shaped frames 10, limiting grooves 19 matched with the limiting blocks 18 are formed in the upper surfaces of the installation blocks, and the limiting blocks 18 are used for preventing the second U-shaped frames 10 from shifting in position during movement.

The first limiting cylinder 5 and the second limiting cylinder 21 are in contact with the outer surface of the synchronous belt 7, and the synchronous belt 7 can be protected in all aspects by the aid of the first limiting cylinder 5 and the second limiting cylinder 21.

When the embodiment of the application is used, the following steps are adopted: firstly, the synchronous belt 7 is installed on the installation plate 1, afterwards, when the synchronous belt 7 works, the pull rod 15 is pulled to drive the clamping block 16 to be far away from the clamping groove on the U-shaped block 3, so that the first U-shaped frame 4 can move under the action of the telescopic rod 12 and the first spring 13, and further the first limiting cylinder 5 in the first U-shaped frame 4 is driven to move, so that the first limiting cylinder 5 is abutted against the synchronous belt 7 in work, and therefore two ends of the synchronous belt 7 are limited, the synchronous belt 7 falls off from a synchronous belt 7 wheel device, the second U-shaped frame 10 is driven to move through the rotating screw rod 9, and further the limiting cylinder in the second U-shaped frame 10 is driven to abut against two sides of the synchronous belt 7, so that the synchronous belt 7 is further prevented from falling off from the synchronous belt 7 wheel device.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a synchronous pulley, includes mounting panel (1), its characterized in that, synchronizing wheel (6) are installed through the pivot symmetry to the upper end of mounting panel (1), two through hold-in range (7) transmission connection between synchronizing wheel (6), first installation piece (2) are installed to the upper end symmetry of mounting panel (1), two the through-hole that is used for installing U type piece (3) is all offered to the inside of first installation piece (2), two the equal fixed mounting of one end that U type piece (3) is relative has first U type frame (4), two the inside of first U type frame (4) is all rotated and is connected with first bull stick (11), two the outside of first bull stick (11) is equal fixed mounting has first spacing section of thick bamboo (5).

2. A synchronous pulley according to claim 1, characterized in that two opposite ends of the mounting plates (1) are fixedly provided with telescopic rods (12), the telescopic ends of the two telescopic rods (12) are fixedly connected with the side walls of the two first U-shaped frames (4) respectively, the outer parts of the two telescopic rods (12) are sleeved with first springs (13), and two ends of each first spring (13) are fixedly connected with the side walls of the first mounting block (2) and the first U-shaped frames (4) respectively.

3. The synchronous pulley according to claim 1, characterized in that the side walls of the two first installation blocks (2) are provided with fixing blocks (14), the interiors of the two fixing blocks (14) are provided with through holes for installing pull rods (15), one ends of the two pull rods (15) are fixedly provided with clamping blocks (16), the exteriors of the two pull rods (15) are sleeved with second springs (17), two ends of each second spring (17) are fixedly connected with the side walls of the corresponding fixing block (14) and the corresponding clamping block (16), and clamping grooves matched with the corresponding clamping blocks (16) are formed in the upper ends of the U-shaped blocks (3).

4. The synchronous pulley according to claim 1, wherein the front end and the rear end of the mounting plate (1) are fixedly provided with second mounting blocks (8), threaded holes for mounting screws (9) are formed in the two second mounting blocks (8), one ends of the two screws (9) are provided with second U-shaped frames (10) through bearings, second rotating rods (20) are rotatably connected to the interiors of the two second U-shaped frames (10), and second limiting cylinders (21) are fixedly arranged on the exteriors of the two second rotating rods (20).

5. The synchronous pulley according to claim 4, wherein limiting blocks (18) are fixedly arranged at the lower ends of the two second U-shaped frames (10), and limiting grooves (19) matched with the limiting blocks (18) are formed in the upper surfaces of the mounting blocks.

6. A synchronous pulley according to claim 1, characterized in that the first limit cylinder (5) and the second limit cylinder (21) are in contact with the outer surface of the synchronous belt (7).