CN218780726U

CN218780726U - Anti-drop combination formula sprocket

Info

Publication number: CN218780726U
Application number: CN202221955048.4U
Authority: CN
Inventors: 洪平治
Original assignee: Hangzhou Ousheng Chain Transmission Co ltd
Current assignee: Hangzhou Ousheng Chain Transmission Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-03-31
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses an anti-drop combined chain wheel, which comprises a connecting component, a chain wheel group and a plurality of groups of anti-drop components, wherein the connecting component comprises a connecting plate and a connecting rotating rod, and two groups of positioning holes are symmetrically arranged on the outer wall of the connecting rotating rod; the chain wheel sets are sleeved on the lever arms connected with the rotating rods and comprise a first chain wheel, a second chain wheel, a third chain wheel and a fourth chain wheel; the anti-falling assemblies are sleeved at the lever arm connected with the rotating rod and comprise a fixed lantern ring, a limiting rod, a guide sliding block and two groups of locking mechanisms; two sets of locking mechanical system symmetry sets up the both ends at fixed lantern ring, and locking mechanical system includes locking lever and two shore spring. The utility model discloses utilize two sets of anticreep subassemblies to carry out the anticreep to the sprocket and press from both sides surely on the lever arm of connecting the bull stick, the position change that can utilize the anticreep subassembly simultaneously changes the sprocket and carries out position adjustment in connecting bull stick lever arm department, can carry out the anticreep location to it again when accomplishing each sprocket rigidity like this.

Description

Anti-drop combination formula sprocket

Technical Field

The utility model relates to a sprocket field, in particular to anti-drop combination formula sprocket.

Background

The chain wheel is a wheel with embedded teeth type chain-fastening teeth for meshing with blocks with accurate pitch on chain-link ring or cable, and the combined chain wheel is formed by combining and connecting a plurality of chain wheels at the connecting component.

When the multi-chain wheel is combined, the threads can be formed on the outer wall of the connecting rotating rod of the traditional combination mode, then the fixing position of the chain wheel is locked and fixed through the nut clamp, the friction nut can be extruded in the rotating process of the chain wheel in the fixing mode, the nut is loosened, the chain wheel can slide and fall off, and therefore the whole chain wheel set is unsafe to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-drop combination formula sprocket to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an anti-drop combined chain wheel comprises a connecting component, a chain wheel group and a plurality of anti-drop components,

the connecting assembly comprises a connecting plate and a connecting rotating rod, and two groups of positioning holes are symmetrically formed in the outer wall of the connecting rotating rod;

the chain wheel sets are sleeved on the lever arms connected with the rotating rods and comprise a first chain wheel, a second chain wheel, a third chain wheel and a fourth chain wheel;

the anti-falling assemblies are sleeved at the lever arms of the connecting rotating rods and comprise fixed lantern rings, limiting rods, guide sliding blocks and two groups of locking mechanisms;

the two groups of locking mechanisms are symmetrically arranged at two ends of the fixed lantern ring and comprise locking rods and two top supporting springs.

Preferably, one end of the connecting rotating rod is connected with the middle of the connecting plate in a penetrating mode, and guide ring grooves are formed in the front face and the back face of the first chain wheel, the second chain wheel, the third chain wheel and the fourth chain wheel.

Preferably, the fixed lantern ring sliding sleeve is arranged on a lever arm connected with the rotating rod, one end of the limiting rod is fixedly connected to the outer wall of the fixed lantern ring, the back face of the other end of the limiting rod is fixedly connected with the front face of the guide sliding block, and the guide sliding block is connected in the guide ring groove in a sliding penetrating mode.

Preferably, the back of the guide sliding block is provided with a placing groove, a rotating rod is fixedly connected between the top end of the placing groove and the inner wall of the bottom end of the placing groove, and the rod wall of the rotating rod is rotatably sleeved on the ball.

Preferably, two penetrating through holes are symmetrically formed in the two ends of the fixed lantern ring, two blocking sliding grooves are formed in the inner walls of the two sides of the penetrating through holes, and the jacking springs are arranged in the four blocking sliding grooves respectively.

Preferably, the two locking rods are respectively connected in the two inserting through holes in a sliding and inserting manner, one ends of the two locking rods opposite to each other are respectively connected with the two groups of positioning holes in a sliding and inserting manner, the two blocking sliding blocks are fixedly connected to the outer walls of the two locking rods, and the two blocking sliding blocks are respectively connected with the two blocking sliding grooves in a sliding and inserting manner.

The utility model discloses a technological effect and advantage:

the utility model discloses utilize two sets of anticreep subassemblies to carry out the anticreep to the sprocket and press from both sides surely on the lever arm of connecting the bull stick, the position change that can utilize the anticreep subassembly simultaneously changes the sprocket and carries out position adjustment in connection bull stick lever arm department, can carry out the anticreep location to it again when accomplishing each sprocket rigidity like this for whole sprocket group uses more safe convenient.

Drawings

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

Fig. 2 is a cross-sectional view of the whole structure of the present invention.

Fig. 3 is a sectional view of the anti-dropping assembly of the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention.

In the figure: 1. a connecting plate; 101. connecting the rotating rod; 102. positioning holes; 2. a first sprocket; 3. A second sprocket; 4. a third sprocket; 5. a fourth sprocket; 501. a guide ring groove; 6. a fixed collar; 601. a limiting rod; 602. a guide slider; 603. a ball bearing; 7. a locking lever; 701. a blocking slide block; 8. and a spring is supported.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

The utility model provides an anti-drop combined chain wheel as shown in figures 1-4, which comprises a connecting component, a chain wheel group and a plurality of anti-drop components,

the connecting assembly comprises a connecting plate 1 and a connecting rotating rod 101, and two groups of positioning holes 102 are symmetrically formed in the outer wall of the connecting rotating rod 101;

two groups of positioning holes 102 are horizontally and symmetrically formed, each group of positioning holes 102 comprises a plurality of positioning holes, and the plurality of positioning holes 102 in the same group are horizontally and centrally symmetrically formed, so that the anti-falling assembly can be ensured to be symmetrical and tidy when being installed.

The chain wheel sets are sleeved on the lever arms of the connecting rotating rods 101 and comprise a first chain wheel 2, a second chain wheel 3, a third chain wheel 4 and a fourth chain wheel 5;

one end of the connecting rotating rod 101 is connected with the middle of the connecting plate 1 in a penetrating mode, guide ring grooves 501 are formed in the front face and the back face of the first chain wheel 2, the second chain wheel 3, the third chain wheel 4 and the fourth chain wheel 5, the guide ring grooves 501 are formed in the front face and the back face of the first chain wheel 2, the second chain wheel 3, the third chain wheel 4 and the fourth chain wheel 5, and the guide ring grooves 501 are close to the center.

The anti-falling assemblies are sleeved at the lever arm of the connecting rotating rod 101 and comprise a fixed lantern ring 6, a limiting rod 601, a guide sliding block 602 and two groups of locking mechanisms;

the fixed lantern ring 6 is sleeved on a lever arm of the connecting rotating rod 101 in a sliding mode, one end of the limiting rod 601 is fixedly connected to the outer wall of the fixed lantern ring 6, the back face of the other end of the limiting rod 601 is fixedly connected with the front face of the guide sliding block 602, and the guide sliding block 602 is connected in the guide ring groove 501 in a sliding and penetrating mode;

the length of the limiting rod 601 is the same as the radius of the fixed sleeve ring 6 and the radius of the largest inner annular wall of the guide ring groove 501, and the thickness of the guide sliding block 602 is half of the difference between the inner annular wall and the outer annular wall of the guide ring groove 501, so that the guide sliding block 602 can be well embedded in the guide ring groove 501.

The standing groove has been seted up at the back of direction slider 602, fixedly connected with bull stick between the inner wall of standing groove top and bottom, the pole wall of bull stick rotates the cover and establishes at ball 603, ball 603 remains the inner wall of laminating direction annular 501 all the time when the sprocket rotates like this, can reduce friction between the two, cooperation between utilizing direction slider 602 and ball 603 and direction annular 501 through this mode, can accomplish when injecing the sprocket position, can reduce the friction damage again, make the anticreep subassembly use more convenient.

The two groups of locking mechanisms are symmetrically arranged at two ends of the fixed lantern ring 6 and comprise locking rods 7 and two top supporting springs 8;

two ends of the fixed lantern ring 6 are symmetrically provided with two penetrating through holes, the inner walls of two sides of the two penetrating through holes are provided with blocking sliding grooves, and the four jacking springs 8 are arranged in the four blocking sliding grooves respectively;

the locking rods 7 are respectively connected in the two inserting through holes in a sliding and inserting mode, one ends, opposite to the two locking rods 7, of the two locking rods 7 are respectively connected with the two groups of positioning holes 102 in a sliding and inserting mode, the two blocking sliding blocks 701 are fixedly connected to the outer walls of the two locking rods 7, and the two blocking sliding blocks 701 are respectively connected with the two blocking sliding grooves in a sliding and inserting mode.

The utility model discloses the theory of operation: referring to fig. 1 to 4, when the present sprocket is used, the positions of the first sprocket 2, the second sprocket 3, the third sprocket 4, and the fourth sprocket 5 are adjusted according to the use condition, and drop-off prevention fixing is performed, at which time the following operations are required;

firstly, two locking rods 7 of the same anti-falling assembly are pulled towards the direction far away from a fixed lantern ring 6, the locking rods 7 are stressed to move, and simultaneously, the connected blocking sliding blocks 701 are driven to synchronously move in the corresponding blocking sliding grooves, the blocking sliding blocks 701 can continuously extrude a top bracing spring 8 in the blocking sliding grooves in the moving process, and the top bracing spring 8 is stressed to continuously contract;

the locking rods 7 are continuously pulled for two times until the two locking rods 7 slide out of the two groups of positioning holes 102, the anti-falling assembly can slide at the lever arm connected with the rotating rod 101 at the moment, and after the anti-falling assembly slides at the lever arm connected with the rotating rod 101, the positions of the first chain wheel 2, the second chain wheel 3, the third chain wheel 4 and the fourth chain wheel 5 at the lever arm connected with the rotating rod 101 can be changed;

first sprocket 2, second sprocket 3, after the position of third sprocket 4 and fourth sprocket 5 is confirmed, readjust the anticreep subassembly of every single sprocket front and back position department this moment, after sliding the laminating sprocket with two fixed lantern rings 6, ensure simultaneously that two direction sliders 602 all alternate in direction annular 501, and ball 603 laminating direction annular 501 inner wall, the pulling force to locking lever 7 is released again, jack-up spring 8 stops slider 701 through the restoring force extrusion this moment, under the drive that stops slider 701, locking lever 7 pegs graft in locating hole 102, the completion is to the locking of antiskid, the regulation of sprocket group finishes installing like this.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An anti-drop combined chain wheel comprises a connecting component, a chain wheel group and a plurality of groups of anti-drop components, and is characterized in that,

the connecting assembly comprises a connecting plate (1) and a connecting rotating rod (101), and two groups of positioning holes (102) are symmetrically formed in the outer wall of the connecting rotating rod (101);

the chain wheel sets are sleeved on a lever arm connected with the rotating rod (101), and each chain wheel set comprises a first chain wheel (2), a second chain wheel (3), a third chain wheel (4) and a fourth chain wheel (5);

the anti-falling assemblies are sleeved on a lever arm of the connecting rotating rod (101), and each anti-falling assembly comprises a fixed sleeve ring (6), a limiting rod (601), a guide sliding block (602) and two groups of locking mechanisms;

the two groups of locking mechanisms are symmetrically arranged at two ends of the fixed lantern ring (6), and each locking mechanism comprises a locking rod (7) and two top supporting springs (8).

2. The anti-falling combined sprocket as claimed in claim 1, wherein one end of the connecting rod (101) is inserted into the middle of the connecting plate (1), and guide ring grooves (501) are formed on the front and back surfaces of the first sprocket (2), the second sprocket (3), the third sprocket (4) and the fourth sprocket (5).

3. The anti-drop combined sprocket as claimed in claim 2, wherein the fixed sleeve ring (6) is slidably fitted over the lever arm of the connecting rotating rod (101), one end of the limiting rod (601) is fixedly connected to the outer wall of the fixed sleeve ring (6), the back surface of the other end of the limiting rod (601) is fixedly connected to the front surface of the guiding slider (602), and the guiding slider (602) is slidably inserted into the guiding ring groove (501).

4. The anti-falling combined sprocket wheel as claimed in claim 3, wherein a placing groove is formed on the back surface of the guide slider (602), a rotating rod is fixedly connected between the inner walls of the top end and the bottom end of the placing groove, and a ball (603) is rotatably sleeved on the rod wall of the rotating rod.

5. The drop-proof combined sprocket as claimed in claim 4, wherein two insertion holes are symmetrically formed at both ends of the fixed collar (6), blocking sliding grooves are formed on the inner walls of both sides of the two insertion holes, and four of the top bracing springs (8) are respectively disposed in the four blocking sliding grooves.

6. The anti-drop combined sprocket wheel according to claim 5, wherein two locking rods (7) are respectively slidably inserted into the two insertion through holes, the opposite ends of the two locking rods (7) are respectively slidably inserted into the two positioning holes (102), two blocking sliders (701) are fixedly connected to the outer walls of the two locking rods (7), and the two blocking sliders (701) are respectively slidably inserted into the two blocking chutes.