CN212203035U

CN212203035U - Sprocket convenient to installation

Info

Publication number: CN212203035U
Application number: CN202020616583.1U
Authority: CN
Inventors: 王以南
Original assignee: Zhejiang Cenfit Machinery Co ltd
Current assignee: Zhejiang Cenfit Machinery Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-22
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to a sprocket technical field just discloses a sprocket convenient to installation, including external piece, the connecting hole has been seted up in the front of external piece, the inside swing joint of connecting hole has built-in piece, the outside fixedly connected with second driving gear of built-in piece, the first driving gear of outside fixedly connected with of external piece, two connecting blocks of inside fixedly connected with of connecting hole, two the spread groove has all been seted up to the relative one side of connecting block, the left side fixedly connected with of connecting block holds the piece. This sprocket convenient to installation through addding second driving tooth and first driving tooth in the outside of external piece and built-in piece, makes the sprocket have two sets of numbers of teeth, when the user needs to change the drive ratio, only needs to remove corresponding chain to second driving tooth or first driving tooth on, can change the drive ratio of sprocket, has avoided the user to renew the sprocket again, and effectual messenger's sprocket drive ratio reaches the purpose that can change.

Description

Sprocket convenient to installation

Technical Field

The utility model relates to a sprocket technical field specifically is a sprocket convenient to installation.

Background

The chain wheel is a wheel with chain teeth and is used for meshing with blocks with accurate pitches on chain links or cables, and the chain wheel is widely applied to mechanical transmission and the like in the industries of chemical engineering, textile machinery, escalators, wood processing, three-dimensional parking garages, agricultural machinery, food processing, instruments, petroleum and the like.

The transmission ratio of chain transmission depends on the tooth number of the chain wheel, but the existing chain wheels are the chain wheels with unchangeable tooth number, so that the transmission ratio of the chain transmission is fixed to a numerical value, if the transmission ratio of the chain transmission needs to be changed, the chain wheels need to be disassembled and replaced, and in order to achieve the purpose of changing the transmission ratio of the chain wheels and facilitating installation, the chain wheel convenient to install is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a sprocket convenient to installation possesses sprocket drive ratio and reaches and can change and be convenient for advantage such as installation, has solved current sprocket drive ratio and has changed and need change the inconvenient problem of sprocket renewal and drive ratio change.

(II) technical scheme

For the purpose that realizes that above-mentioned sprocket drive ratio reaches and can change and be convenient for the installation, the utility model provides a following technical scheme: a chain wheel convenient to mount, which comprises an external block, wherein the front surface of the external block is provided with a connecting hole, the inner part of the connecting hole is movably connected with an inner block, the outer side of the inner block is fixedly connected with a second transmission gear, the outer side of the external block is fixedly connected with a first transmission gear, the inner part of the connecting hole is fixedly connected with two connecting blocks, one opposite side of each connecting block is provided with a connecting groove, the left side of the connecting block is fixedly connected with a bearing block, the right side of the bearing block is provided with a bearing groove, the inside of the connecting groove is movably connected with an adjusting block, the left side of the adjusting block is provided with a limiting hole, the inner part of the limiting hole is movably connected with a limiting post, the right end of the limiting post is fixedly connected with a placing block, first conduction grooves are all seted up on the connecting block left side, second conduction grooves are seted up on the right side of connecting block.

Preferably, the two connecting blocks are fixedly connected with the external block, and the two connecting blocks are movably connected with the internal block.

Preferably, the placing block is circular, and the diameter of the placing block is larger than that of the second conduction groove.

Preferably, the second conduction groove, the connecting groove, the first conduction groove and the receiving groove are communicated, and the diameter of the receiving groove is equal to that of the limiting column.

Preferably, the number of the second transmission teeth is twenty-four, and the number of the first transmission teeth is sixteen.

Preferably, the diameters of the first conduction groove and the second conduction groove are larger than the diameter of the limiting column, and the adjusting block is fixedly connected with the built-in block.

(III) advantageous effects

Compared with the prior art, the utility model provides a sprocket convenient to installation possesses following beneficial effect:

the chain wheel convenient for installation pushes the built-in block to enable the adjusting block to be positioned inside the connecting groove when in installation, then pushes the placing block to ensure that the left end of the limiting column sequentially passes through the second conducting groove, the limiting hole and the first conducting groove to be jointed with the bearing groove, when the left end of the limiting column is jointed with the bearing groove, the placing block is rotated until the limiting column is in threaded connection with the bearing groove, in the installation process, a user only needs to push and rotate for adjustment, the installation process is simple, the second transmission gear and the first transmission gear are additionally arranged on the outer sides of the external block and the internal block, so that the chain wheel has two groups of teeth, when the user needs to change the transmission ratio, the corresponding chain is only required to be moved to the second transmission gear or the first transmission gear, the transmission ratio of the chain wheel can be changed, the situation that a user replaces a new chain wheel is avoided, and the purpose that the transmission ratio of the chain wheel can be changed is achieved effectively.

Drawings

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

fig. 2 is a partially enlarged schematic view of a in the structure of the present invention.

In the figure: the external piece of 1, 2 connecting holes, 3 built-in pieces, 4 second driving gear, 5 first driving gear, 6 connecting blocks, 7 connecting grooves, 8 bearing pieces, 9 bearing grooves, 10 adjusting blocks, 11 limiting holes, 12 limiting columns, 13 placing pieces, 14 first conduction grooves and 15 second conduction grooves.

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. 1-2, a sprocket convenient to install comprises an external block 1, a connecting hole 2 is formed in the front surface of the external block 1, an internal block 3 is movably connected inside the connecting hole 2, a second transmission gear 4 is fixedly connected to the outer side of the internal block 3, the number of the second transmission gear 4 is twenty-four, a first transmission gear 5 is fixedly connected to the outer side of the external block 1, the number of the first transmission gear 5 is sixteen, two connecting blocks 6 are fixedly connected to the inside of the connecting hole 2, the two connecting blocks 6 are both fixedly connected to the external block 1, the two connecting blocks 6 are both movably connected to the internal block 3, a connecting groove 7 is formed in the opposite side of each connecting block 6, a receiving block 8 is fixedly connected to the left side of each connecting block 6, a receiving groove 9 is formed in the right side of each receiving block 8, an adjusting block 10 is movably connected inside each connecting groove 7, and the adjusting block 10 is fixedly connected, the left side of the adjusting block 10 is provided with a limiting hole 11, the inside of the limiting hole 11 is movably connected with a limiting column 12, the right end of the limiting column 12 is fixedly connected with a placing block 13, the left side of the connecting block 6 is provided with a first conduction groove 14, the second conduction groove 15, the connecting groove 7, the first conduction groove 14 is communicated with the receiving groove 9, the diameter of the receiving groove 9 is equal to that of the limiting column 12, the right side of the connecting block 6 is provided with a second conduction groove 15, the diameters of the first conduction groove 14 and the second conduction groove 15 are larger than that of the limiting column 12, the placing block 13 is circular in shape, the diameter of the placing block 13 is larger than that of the second conduction groove 15, during installation, the built-in block 3 is pushed, the adjusting block 10 is located inside the connecting groove 7, the placing block 13 is pushed as required, until the left end of the limiting column 12 sequentially passes through the second conduction groove 15, the limiting hole 11 and the first conduction groove 14 and is attached to, after the left end of spacing post 12 and the laminating of accepting groove 9, rotate and place piece 13, until spacing post 12 and accept groove 9 threaded connection, this installation, the user only needs to promote to adjust and rotate the regulation, the installation is simple, through addding second driving tooth 4 and first driving tooth 5 in external piece 1 and the outside of built-in piece 3, make the sprocket have two sets of numbers of teeth, when the user needs to change the gear ratio, only need to remove corresponding chain to second driving tooth 4 or first driving tooth 5 on, can change the gear ratio of sprocket, avoided the user to change the new sprocket again, effectual messenger's sprocket gear ratio reaches the mesh that can change.

When in use and installation, the built-in block 3 is pushed to enable the adjusting block 10 to be positioned inside the connecting groove 7, the placing block 13 is pushed at any time until the left end of the limiting column 12 sequentially passes through the second conducting groove 15, the limiting hole 11 and the first conducting groove 14 to be jointed with the bearing groove 9, when the left end of the limiting column 12 is jointed with the bearing groove 9, the placing block 13 is rotated until the limiting column 12 is in threaded connection with the bearing groove 9, in the installation process, a user only needs to push, adjust and rotate to adjust, the installation process is simple, the second transmission teeth 4 and the first transmission teeth 5 are additionally arranged on the outer sides of the external block 1 and the internal block 3, so that the chain wheel has two groups of teeth numbers, when the user needs to change the transmission ratio, the corresponding chain is only required to be moved to the second transmission gear 4 or the first transmission gear 5, the transmission ratio of the chain wheel can be changed, the situation that a user replaces a new chain wheel is avoided, and the purpose that the transmission ratio of the chain wheel can be changed is achieved effectively.

In conclusion, in the chain wheel convenient to install, the built-in block 3 is pushed to enable the adjusting block 10 to be located inside the connecting groove 7, the placing block 13 is pushed to be attached to the receiving groove 9 after the left end of the limiting column 12 sequentially penetrates through the second conducting groove 15, the limiting hole 11 and the first conducting groove 14, and after the left end of the limiting column 12 is attached to the receiving groove 9, the placing block 13 is rotated until the limiting column 12 is in threaded connection with the receiving groove 9, in the installation process, a user only needs to push to adjust and rotate to adjust, the installation process is simple, the chain wheel has two groups of teeth numbers by additionally arranging the second transmission teeth 4 and the first transmission teeth 5 on the outer sides of the built-in block 3 and the built-out block 1, when the transmission ratio needs to be changed, the transmission ratio of the chain wheel can be changed by only needing to move the corresponding chain to the second transmission teeth 4 or the first transmission teeth 5, and the user is prevented from being replaced with a new chain wheel, the purpose that effectual messenger's sprocket drive ratio reaches can change has been solved current sprocket drive ratio and has been changed and need change the inconvenient problem of sprocket again and drive ratio change.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 sprocket convenient to installation, includes external piece (1), its characterized in that: the front of the external block (1) is provided with a connecting hole (2), the inside of the connecting hole (2) is movably connected with an internal block (3), the outside of the internal block (3) is fixedly connected with a second transmission gear (4), the outside of the external block (1) is fixedly connected with a first transmission gear (5), the inside of the connecting hole (2) is fixedly connected with two connecting blocks (6), one opposite side of the two connecting blocks (6) is provided with a connecting groove (7), the left side of the connecting block (6) is fixedly connected with a bearing block (8), the right side of the bearing block (8) is provided with a bearing groove (9), the inside of the connecting groove (7) is movably connected with an adjusting block (10), the left side of the adjusting block (10) is provided with a limiting hole (11), the inside of the limiting hole (11) is movably connected with a limiting column (12), the right end of the limiting column (12) is fixedly connected with a placing block (13, first conduction groove (14) have all been seted up on connecting block (6) left side, second conduction groove (15) have been seted up on the right side of connecting block (6).

2. A sprocket as defined in claim 1, wherein: two connecting blocks (6) are fixedly connected with the external block (1), and the two connecting blocks (6) are movably connected with the internal block (3).

3. A sprocket as defined in claim 1, wherein: the placing block (13) is circular, and the diameter of the placing block (13) is larger than that of the second conduction groove (15).

4. A sprocket as defined in claim 1, wherein: the second conduction groove (15), the connecting groove (7), the first conduction groove (14) and the bearing groove (9) are communicated, and the diameter of the bearing groove (9) is equal to that of the limiting column (12).

5. A sprocket as defined in claim 1, wherein: the number of the second transmission teeth (4) is twenty-four, and the number of the first transmission teeth (5) is sixteen.

6. A sprocket as defined in claim 1, wherein: the diameters of the first conduction groove (14) and the second conduction groove (15) are larger than the diameter of the limiting column (12), and the adjusting block (10) is fixedly connected with the built-in block (3).