High-stability anti-jumping chain wheel

Abstract

The utility model provides a high-stability anti-jumping chain wheel. The high-stability anti-jumping chain wheel comprises a chain wheel disc, a rotating shaft is connected to the middle of the front end of the chain wheel disc in an inserted mode, grooves are formed in the side walls of the front end and the rear end of the chain wheel disc, and sliding blocks are slidably connected to the inner walls of the two sets of grooves. According to the high-stability anti-jumping chain wheel, the connecting rods are fixedly installed on a certain limiting piece through the installing holes, the rotating shaft drives the chain wheel disc to rotate, meanwhile, the sliding blocks installed on the two sets of rectangular blocks are in sliding connection with the inner wall of the groove all the time, and therefore the chain wheel disc is stably limited between the two sets of connecting rods; when the chain wheel teeth need to be replaced or added, the chain wheel teeth can be quickly mounted and dismounted only by moving the limiting assembly to enable the limiting assembly to leave the inlet end of the limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of sprocket wheels, in particular to a high-stability anti-jumping sprocket wheel. Background Art

[0002] A sprocket is a mechanical part, a wheel with cog-type sprocket teeth, which is used to mesh with blocks with accurate pitch on link chains or cables. Sprockets are widely used in mechanical transmission in chemical industry, textile machinery, escalators, wood processing, multi-story parking garages, agricultural machinery, food processing, instrumentation, petroleum and other industries.

[0003] However, the existing sprocket and sprocket teeth are integrally cast, which makes it inconvenient to increase or decrease the number of sprocket teeth later. At the same time, some sprocket teeth will wear out after long-term use and need to be replaced in time, but the one-piece casting method can only replace the entire sprocket, resulting in waste.

[0004] Therefore, it is necessary to provide a high-stability anti-jump sprocket to solve the above technical problems. Utility Model Content

[0005] The utility model provides a high-stability anti-jump sprocket, which solves the problem that it is inconvenient to increase or reduce the number of sprocket teeth in the later stage of the sprocket.

[0006] In order to solve the above technical problems, the high-stability anti-jump sprocket provided by the utility model includes: a sprocket plate, a rotating shaft is plugged into the middle part of the front end of the sprocket plate, grooves are provided on the front and rear end side walls of the sprocket plate, two groups of the inner walls of the grooves are slidably connected with sliders, the outer walls of the two groups of sliders are fixedly installed with rectangular blocks, the outer walls of the two groups of the rectangular blocks are installed with connecting rods, the other ends of the two groups of connecting rods are provided with mounting holes, a plurality of groups of limiting grooves are evenly provided on the front end side wall of the sprocket plate, the inner walls of the plurality of limiting grooves are slidably connected with limiting blocks, the outer walls of the limiting blocks are fixedly installed with sprocket teeth, a limiting component is installed on the front end side wall of the sprocket plate, and the limiting component is in close contact with the side walls of the limiting block.

[0007] Preferably, the limiting assembly includes a baffle, annular plate 1, annular plate 2, an internal thread and a cover plate, the annular plate 2 is fixedly mounted on the front end side wall of the sprocket disc, and the internal thread is provided on the outer wall of the annular plate 2.

[0008] Preferably, the annular plate 1 is threadedly connected to the internal threads on the annular plate 2, several groups of the baffles are fixedly connected to the annular plate 1, and several groups of the baffles are in close contact with the front end side wall of the limiting block.

[0009] Preferably, several groups of the cover plates are fixedly connected to several groups of baffles, and several groups of the cover plates are in close contact with the outer wall of the limiting block.

[0010] Preferably, the sliding block is spherical and is in close contact with the inner wall of the groove.

[0011] Preferably, the connecting rod is fixedly connected to the limiting member through a mounting hole.

[0012] Compared with the related art, the high stability anti-jump sprocket provided by the utility model has the following beneficial effects:

[0013] The utility model provides a high-stability anti-jump sprocket, in which a connecting rod is fixedly installed on a certain limiting member through an installation hole, and when the rotating shaft drives the sprocket to rotate, sliding blocks installed on two groups of rectangular blocks are always slidably connected with the inner wall of the groove, so that the sprocket is stably restricted between the two groups of connecting rods, and when it is necessary to replace the sprocket teeth or increase the sprocket teeth, it is only necessary to move the limiting component so that the limiting component leaves the entrance end of the limiting groove, and the sprocket teeth can be quickly installed and removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a high-stability anti-jump sprocket provided by the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the structure of the internal structure of the groove shown;

[0016] Figure 3 for Figure 1 A schematic structural diagram of the rotating shaft structure shown;

[0017] Figure 4 for Figure 2 An enlarged schematic diagram of part A is shown;

[0018] Figure 5 for Figure 3 An enlarged schematic diagram of part B is shown.

[0019] Numbers in the figure: 1, sprocket, 2, rotating shaft, 3, sprocket teeth, 4, limiting groove, 5, limiting assembly, 51, baffle, 52, annular plate one, 53, annular plate two, 54, internal thread, 55, cover plate, 6, mounting hole, 7, connecting rod, 8, groove, 9, slider, 10, rectangular block, 11, limiting block. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The high-stability anti-jump sprocket comprises: a sprocket 1, a rotating shaft 2 is plugged into the middle of the front end of the sprocket 1, grooves 8 are provided on the front and rear end side walls of the sprocket 1, two groups of inner walls of the grooves 8 are slidably connected with sliders 9, rectangular blocks 10 are fixedly installed on the outer walls of the two groups of sliders 9, connecting rods 7 are installed on the outer walls of the two groups of rectangular blocks 10, and mounting holes 6 are provided on the other ends of the two groups of connecting rods 7, a plurality of groups of limiting grooves 4 are evenly provided on the front end side wall of the sprocket 1, the limiting grooves 4 penetrate the outer wall of the sprocket 1, and the inner walls of the plurality of groups of limiting grooves 4 are slidably connected with limiting blocks 11, and a sprocket tooth 3 is fixedly installed on the outer wall of the limiting block 11, and a limiting component 5 is installed on the front end side wall of the sprocket 1, and the limiting component 5 is in close contact with the side wall of the limiting block 11.

[0022] The limiting assembly 5 includes a baffle 51 , an annular plate 1 52 , an annular plate 2 53 , an internal thread 54 and a cover plate 55 . The annular plate 2 53 is fixedly mounted on the front end side wall of the sprocket wheel 1 , and the internal thread 54 is provided on the outer wall of the annular plate 2 53 .

[0023] The annular plate 1 52 is threadedly connected to the internal thread 54 on the annular plate 2 53 , and the inner wall of the annular plate 1 52 is provided with an external thread. Several groups of the baffle plates 51 are fixedly connected to the annular plate 1 52 , and several groups of the baffle plates 51 are in close contact with the front end side wall of the limit block 11 .

[0024] Several groups of cover plates 55 are fixedly connected to several groups of baffle plates 51, and several groups of cover plates 55 are in close contact with the outer wall of the limit block 11. When the annular plate 1 52 is rotated to separate from the annular plate 2, the baffle plates 51 and the cover plates 55 leave the restriction on the limit block 11, thereby facilitating the removal of the limit block 11 with the sprocket teeth 3 installed from the inside of the limit groove 4.

[0025] The sliding block 9 is spherical and is in close contact with the inner wall of the groove 8 .

[0026] The connecting rod 7 is fixedly connected to the limiting member through the mounting hole 6 .

[0027] The working principle of the high-stability anti-jump sprocket provided by the utility model is as follows: the connecting rod 7 is fixedly installed on a certain limit member through the installation hole 6, and while the rotating shaft 2 drives the sprocket plate 1 to rotate, the slider 9 installed on the two groups of rectangular blocks 10 is always slidably connected with the inner wall of the groove 8, and the limit component 5 is rotated so that the limit component 5 leaves the entrance end of the limit groove 4, thereby facilitating and quickly replacing the sprocket teeth 3 or adding sprocket teeth 3.

[0028] Compared with the related art, the high stability anti-jump sprocket provided by the utility model has the following beneficial effects:

[0029] The connecting rod 7 is fixedly installed on a certain limit member through the mounting hole 6. When the rotating shaft 2 drives the sprocket 1 to rotate, the sliders 9 installed on the two groups of rectangular blocks 10 are always slidably connected to the inner wall of the groove 8, thereby stably limiting the sprocket 1 between the two groups of connecting rods 7. When it is necessary to replace the sprocket teeth 3 or increase the sprocket teeth 3, it is only necessary to move the limit assembly 5 so that the limit assembly 5 leaves the entrance end of the limit groove 4 to quickly install and remove the sprocket teeth 3.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high stability anti-jump sprocket, characterized in that: include: A sprocket disk (1) is provided, wherein a rotating shaft (2) is plugged and connected to the middle of the front end of the sprocket disk (1), grooves (8) are provided on the side walls at both the front and rear ends of the sprocket disk (1), two groups of inner walls of the grooves (8) are slidably connected to sliders (9), rectangular blocks (10) are fixedly installed on the outer walls of the two groups of sliders (9), connecting rods (7) are installed on the outer walls of the two groups of rectangular blocks (10), and mounting holes (6) are provided on the other ends of the two groups of connecting rods (7), a plurality of groups of limiting grooves (4) are evenly provided on the front end side wall of the sprocket disk (1), the inner walls of the plurality of groups of limiting grooves (4) are slidably connected to limiting blocks (11), sprocket teeth (3) are fixedly installed on the outer walls of the limiting blocks (11), and a limiting assembly (5) is installed on the front end side wall of the sprocket disk (1), and the limiting assembly (5) is in close contact with the side wall of the limiting block (11).

2. The high stability anti-jump sprocket according to claim 1, characterized in that: The limiting assembly (5) comprises a baffle (51), an annular plate 1 (52), an annular plate 2 (53), an internal thread (54) and a cover plate (55); the annular plate 2 (53) is fixedly mounted on the front end side wall of the sprocket wheel (1); and the internal thread (54) is provided on the outer wall of the annular plate 2 (53).

3. The high stability anti-jump sprocket according to claim 2, characterized in that: The annular plate 1 (52) is threadedly connected to the internal thread (54) on the annular plate 2 (53); a plurality of groups of baffles (51) are fixedly connected to the annular plate 1 (52); and a plurality of groups of baffles (51) are in close contact with the front end side wall of the limiting block (11).

4. The high stability anti-jump sprocket according to claim 3, characterized in that: A plurality of groups of cover plates (55) are fixedly connected to a plurality of groups of baffle plates (51), and a plurality of groups of cover plates (55) are in close contact with the outer wall of the limiting block (11).

5. The high stability anti-jump sprocket according to claim 1, characterized in that: The sliding block (9) is spherical and is in close contact with the inner wall of the groove (8).

6. The high stability anti-jump sprocket according to claim 1, characterized in that: The connecting rod (7) is fixedly connected to the limiting member through the mounting hole (6).

Images