CN220268328U - Variable angle sprocket assembly - Google Patents
Variable angle sprocket assembly Download PDFInfo
- Publication number
- CN220268328U CN220268328U CN202321589042.4U CN202321589042U CN220268328U CN 220268328 U CN220268328 U CN 220268328U CN 202321589042 U CN202321589042 U CN 202321589042U CN 220268328 U CN220268328 U CN 220268328U
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- wall
- sprocket
- chain
- sprocket assembly
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- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 244000309464 bull Species 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of chain wheels, in particular to a variable angle chain wheel assembly, which comprises a chain wheel assembly shell, wherein a tensioning mechanism is arranged on the inner wall of the chain wheel assembly shell, a second chain wheel is rotatably connected with the inner wall of the chain wheel assembly shell, a chain is meshed with the outer wall of the second chain wheel, a first chain wheel is meshed with the inner wall of the chain, a side plate is fixedly connected with the outer side of the chain wheel assembly shell, and bolts are connected with the inner wall threads of the side plate. Through driving the knob and rotating, the knob drives the bull stick and rotates, and the bull stick drives bevel gear group and rotates, and bevel gear group drives the threaded rod and rotates, and the threaded rod drives the diaphragm and moves, and the diaphragm drives the round bar and move, and the round bar moves the in-process and drives first sprocket and move, and the first sprocket moves the back and taut to the chain, has changed the angle between chain and first sprocket and the second sprocket simultaneously to the chain takes off the back and conveniently installs the chain, and then has improved sprocket assembly's practicality.
Description
Technical Field
The utility model relates to the technical field of sprockets, in particular to a variable angle sprocket assembly.
Background
The sprocket is a cog sprocket wheel for meshing with precisely pitched blocks on links or cables.
For example, the authorized bulletin number CN214331404U is named as a sprocket assembly, although a wall of the installation shaft sleeve is provided with a hole structure which is radially penetrated, the left locking pin and the right locking pin can be locked and abutted against the surface of the left key block through a threaded pin structure to carry out locking assembly, so that the axial direction cannot relatively move, corresponding holes can be formed in the key block, the locking pin can radially penetrate through the installation shaft sleeve and the key block to complete axial locking of the installation shaft sleeve and the key block, the existing sprocket assembly still exists in the use process, the sprocket needs to be matched with a chain to be used, the chain is worn in the long-term meshing process with the sprocket, so that a gap between the chain and a gear is large, the situation that the chain easily falls off in the rotation process of the chain is caused, the position of the two sprockets cannot be adjusted, the chain is inconvenient to install the chain after falling off, and the practicability of the sprocket assembly is reduced.
Disclosure of Invention
The utility model aims to solve the problem that the positions of two chain wheels cannot be adjusted, and the chain is inconvenient to install after falling off, so that the practicability of a chain wheel assembly is reduced, and provides a variable angle chain wheel assembly.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a variable angle sprocket assembly, includes sprocket assembly shell, sprocket assembly shell's inner wall is equipped with straining device, sprocket assembly shell's inner wall rotates and links to each other there is the second sprocket, the outer wall meshing of second sprocket has the chain, the inner wall meshing of chain has first sprocket, sprocket assembly shell's outside rigid coupling has the curb plate, the inner wall screw thread of curb plate meets there is the bolt.
Preferably, the tensioning mechanism comprises a rotating rod, the outer wall of the rotating rod is rotationally connected with the inner wall of the sprocket assembly shell, one end of the rotating rod is fixedly connected with one side of the knob, the outer wall of the rotating rod is fixedly connected with the inner wall of the bevel gear set, the outer wall of the bevel gear set is fixedly connected with one end of the threaded rod, the outer wall of the threaded rod is rotationally connected with the inner wall of the sprocket assembly shell, the outer wall of the threaded rod is in threaded connection with the inner wall of the transverse plate, and the inner wall of the transverse plate is in sliding clamping connection with the outer wall of the round rod.
Preferably, one end of the round bar is rotatably connected with the rear end surface of the first sprocket.
Preferably, the front end face of the sprocket assembly shell is rotationally connected with a door plate, and the front end face of the door plate is fixedly connected with a handle.
Preferably, the outer wall of the sprocket assembly shell is fixedly connected with a motor, and the output end of the motor is fixedly connected with the positive end face of the second sprocket positioned on the right side.
The variable angle chain wheel assembly provided by the utility model has the beneficial effects that: through driving the knob and rotating, the knob drives the bull stick and rotates, and the bull stick drives bevel gear group and rotates, and bevel gear group drives the threaded rod and rotates, and the threaded rod drives the diaphragm and moves, and the diaphragm drives the round bar and move, and the round bar moves the in-process and drives first sprocket and move, and the first sprocket moves the back and taut to the chain, has changed the angle between chain and first sprocket and the second sprocket simultaneously to the chain takes off the back and conveniently installs the chain, and then has improved sprocket assembly's practicality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the rotating bar, knob and bevel gear set of FIG. 1;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
fig. 4 is an enlarged schematic view of the portion B in fig. 1.
In the figure: 1. sprocket assembly housing 2, tensioning mechanism, 201, bull stick, 202, knob, 203, bevel gear group, 204, threaded rod, 205, diaphragm, 206, round bar, 2a1, spring, 3, first sprocket, 4, chain, 5, second sprocket, 6, curb plate, 7, bolt, 8, door plant, 9, handle, 10, motor.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1-4: in this embodiment 1, a variable angle sprocket assembly, including sprocket assembly shell 1, sprocket assembly shell 1's inner wall is equipped with straining device 2, straining device 2 drive first sprocket 3 removal, sprocket assembly shell 1's inner wall rotates and is linked to each other has second sprocket 5, sprocket assembly shell 1 is spacing to second sprocket 5, second sprocket 5's outer wall meshing has chain 4, second sprocket 5 drives chain 4 and rotates, chain 4's inner wall meshing has first sprocket 3, first sprocket 3 is taut to chain 4, sprocket assembly shell 1's outside rigid coupling has curb plate 6, the inner wall screwed joint of curb plate 6 has bolt 7, curb plate 6 cooperation bolt 7 is convenient to fix sprocket assembly shell 1 on the workstation.
The tensioning mechanism 2 comprises a rotating rod 201, the outer wall of the rotating rod 201 is rotationally connected with the inner wall of the sprocket assembly shell 1, the sprocket assembly shell 1 limits the rotating rod 201, one end of the rotating rod 201 is fixedly connected with one side of a knob 202, the knob 202 provides power for the rotating rod 201, the outer wall of the rotating rod 201 is fixedly connected with the inner wall of a bevel gear set 203, the rotating rod 201 drives the bevel gear set 203 to rotate, the bevel gear set 203 is formed by mutually meshed two bevel gears, the outer wall of the bevel gear set 203 is fixedly connected with one end of a threaded rod 204, the bevel gear set 203 drives the threaded rod 204 to rotate, the outer wall of the threaded rod 204 is rotationally connected with the inner wall of the sprocket assembly shell 1, the sprocket assembly shell 1 limits the threaded rod 204, the outer wall of the threaded rod 204 is in threaded connection with the inner wall of a transverse plate 205, the threaded rod 204 drives the transverse plate 205 to move, the inner wall of the transverse plate 205 is in sliding clamping connection with the outer wall of a round rod 206, the transverse plate 205 limits the round rod 206, one end of the round rod 206 is rotationally connected with the rear end surface of the first sprocket 3, and the round rod 206 drives the first sprocket 3 to move;
the knob 202 is driven to rotate, the knob 202 drives the rotating rod 201 to rotate, the rotating rod 201 drives the bevel gear set 203 to rotate, the bevel gear set 203 drives the threaded rod 204 to rotate, the threaded rod 204 drives the transverse plate 205 to move, the transverse plate 205 drives the round rod 206 to move, the round rod 206 moves in-process to drive the first sprocket 3 to move, the first sprocket 3 moves and then tightens the chain 4, and meanwhile, the angle between the chain 4 and the first sprocket 3 and the second sprocket 5 is changed, so that the chain 4 is convenient to install after falling off, and the practicability of the sprocket assembly is improved.
The positive terminal surface rotation of sprocket assembly shell 1 links to each other has door plant 8, and sprocket assembly shell 1 is spacing to door plant 8, and the positive terminal surface rigid coupling of door plant 8 has handle 9, and handle 9 is convenient to open door plant 8, and sprocket assembly shell 1's outer wall rigid coupling has motor 10, and motor 10's model is selected according to actual demand, satisfies the user demand can, and motor 10's output and the positive terminal surface looks rigid coupling that is located the second sprocket 5 on the right side, and motor 10 provides power for the second sprocket 5 that is located the right side.
Working principle:
when the loose condition appears in chain 4, drive knob 202 and rotate, knob 202 drives the bull stick 201 and rotates, the bull stick 201 drives bevel gear group 203 and rotates, bevel gear group 203 drives threaded rod 204 and rotates, threaded rod 204 drives diaphragm 205 and removes, diaphragm 205 drives round bar 206 and removes, round bar 206 removes the in-process and drives first sprocket 3 and remove, first sprocket 3 is taut to chain 4, simultaneously, the angle between chain 4 and first sprocket 3 and second sprocket 5 has been changed, thereby the convenient installation of chain 4 after chain 4 drops, and then sprocket assembly's practicality has been improved, drive bolt 7 rotates, bolt 7 cooperates curb plate 6 to sprocket assembly shell 1 is fixed, drive door plant 8 through pulling handle 9 and rotate, the door plant 8 is convenient to maintain inside sprocket assembly shell 1 after opening, switch on motor 10's external power supply, motor 10 during operation drives right side second sprocket 5 and rotates, two second sprockets 5 cooperate first sprocket 3 to drive chain 4 and rotate, two sprockets 5 drive rear driving roller and rotate.
Example 2:
referring to fig. 2 and 3, the present utility model provides a technical solution: the variable angle sprocket assembly, the tensioning mechanism 2 may further include a spring 2a1, one end of the spring 2a1 is attached to the outer wall of the round bar 206, the spring 2a1 supports the round bar 206, and one end of the spring 2a1 is attached to the bottom of the cross plate 205;
the spring 2a1 supports the round bar 206, so that the round bar 206 is in flexible contact with the transverse plate 205, and the transverse plate 205 directly drives the first sprocket 3 to move through the round bar 206, so that the first sprocket 3 is prevented from moving a large distance, and the chain 4 is prevented from being stretched.
Working principle:
the spring 2a1 supports the round bar 206, so that the round bar 206 is in flexible contact with the transverse plate 205, and the transverse plate 205 directly drives the first sprocket 3 to move through the round bar 206, so that the first sprocket 3 is prevented from moving a large distance, and the chain 4 is prevented from being stretched.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (5)
1. A variable angle sprocket assembly comprising a sprocket assembly housing (1), characterized in that: the inner wall of sprocket assembly shell (1) is equipped with straining device (2), the inner wall rotation of sprocket assembly shell (1) links to each other has second sprocket (5), the outer wall meshing of second sprocket (5) has chain (4), the inner wall meshing of chain (4) has first sprocket (3), the outside rigid coupling of sprocket assembly shell (1) has curb plate (6), the inner wall screwed joint of curb plate (6) has bolt (7).
2. A variable angle sprocket assembly according to claim 1 wherein: the tensioning mechanism (2) comprises a rotating rod (201), the outer wall of the rotating rod (201) is rotationally connected with the inner wall of the sprocket assembly shell (1), one end of the rotating rod (201) is fixedly connected with one side of a knob (202), the outer wall of the rotating rod (201) is fixedly connected with the inner wall of a bevel gear group (203), the outer wall of the bevel gear group (203) is fixedly connected with one end of a threaded rod (204), the outer wall of the threaded rod (204) is rotationally connected with the inner wall of the sprocket assembly shell (1), the outer wall of the threaded rod (204) is in threaded connection with the inner wall of a transverse plate (205), and the inner wall of the transverse plate (205) is in sliding clamping connection with the outer wall of a round rod (206).
3. A variable angle sprocket assembly according to claim 2 wherein: one end of the round rod (206) is rotationally connected with the rear end face of the first sprocket (3).
4. A variable angle sprocket assembly according to claim 1 wherein: the front end face of the sprocket assembly shell (1) is rotationally connected with a door plate (8), and the front end face of the door plate (8) is fixedly connected with a handle (9).
5. A variable angle sprocket assembly according to claim 1 wherein: the outer wall of the sprocket assembly shell (1) is fixedly connected with a motor (10), and the output end of the motor (10) is fixedly connected with the positive end face of the second sprocket (5) positioned on the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589042.4U CN220268328U (en) | 2023-06-21 | 2023-06-21 | Variable angle sprocket assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321589042.4U CN220268328U (en) | 2023-06-21 | 2023-06-21 | Variable angle sprocket assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268328U true CN220268328U (en) | 2023-12-29 |
Family
ID=89310320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321589042.4U Active CN220268328U (en) | 2023-06-21 | 2023-06-21 | Variable angle sprocket assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268328U (en) |
-
2023
- 2023-06-21 CN CN202321589042.4U patent/CN220268328U/en active Active
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