Large-pitch single-tooth detachable chain wheel

Abstract

The utility model relates to the technical field of large-pitch single-tooth detachable chain wheels, in particular to a large-pitch single-tooth detachable chain wheel which comprises a fixing part and a gear part, four sets of positioning grooves are formed in the surface, close to an outer ring, of the fixing part at equal intervals, and four sets of positioning blocks are installed on the surface, close to an inner ring, of the gear part at equal intervals. The positioning groove is connected with a positioning block through a bolt assembly; the inner ring of the gear part is integrally connected with a lug, the middle is provided with an oil storage tank, the outer ring is in threaded connection with multiple groups of sprocket teeth, and the side surfaces of the sprocket teeth are provided with oil outlets which are communicated with oil outlets in the side surfaces of the oil storage tank; a plurality of groups of positioning columns are arranged in the oil storage tank, and the circular ring is fixed through the positioning columns; a groove is formed in the outer ring of the fixing part and matched with the protruding block. The large-pitch single-tooth detachable chain wheel has the advantages of bearing capacity, adaptability, detachable chain wheel teeth and the like, is convenient to repair and maintain, and improves the transmission efficiency and the operation stability.

Description

Technical Field

[0001] The utility model relates to the technical field of large-pitch single-tooth detachable sprocket wheels, in particular to a large-pitch single-tooth detachable sprocket wheel. Background Art

[0002] As a special transmission element, the large pitch single-tooth detachable sprocket is widely used in the field of mechanical transmission. It has the advantages of high load-bearing capacity and strong adaptability. Among them, the large pitch design makes the sprocket have a larger contact area, thereby improving its load-bearing capacity, allowing the sprocket to withstand greater torque and tension, and is suitable for heavy-load and high-speed transmission scenarios. The single-tooth design makes the sprocket more adaptable and can adapt to different chain specifications and pitches. It also has the advantages of high transmission efficiency and smooth operation. The chain drive itself has the characteristics of high transmission efficiency, and the design of the large pitch single-tooth sprocket further optimizes the transmission efficiency. By reducing the friction and sliding between the sprocket and the chain, the energy loss is reduced and the efficiency of the entire transmission system is improved. The design of the large pitch single-tooth sprocket enables the chain to maintain a stable operating state during the transmission process. The contact between the tooth and the chain is more uniform, which reduces vibration and noise and improves the operating stability of the mechanical equipment.

[0003] However, the existing large-pitch single-tooth detachable sprocket has a relatively complex structure and requires precise processing equipment and processes during the manufacturing process, so the manufacturing cost is relatively high, which may increase the cost of the entire transmission system. For some cost-sensitive application scenarios, it may not be suitable for high manufacturing costs; installation accuracy has a great impact on transmission performance. If the installation is improper or the accuracy is insufficient, it may cause poor fit between the chain and the sprocket, resulting in problems such as tooth skipping and chain jamming, affecting the stability and reliability of the transmission; the sprocket teeth of the large-pitch single-tooth sprocket are detachable, but they still need to be regularly inspected and maintained during the overall use. If the debris and dirt on the chain and sprocket are not cleaned in time, it may cause a decrease in transmission efficiency or failure.

[0004] In summary, the large pitch single-tooth detachable sprocket has significant advantages in terms of load capacity, adaptability, sprocket tooth detachability, transmission efficiency and running stability, but its high manufacturing cost, high installation precision requirements and high maintenance requirements are also its disadvantages that cannot be ignored. If the disadvantages are serious, they may affect the transmission efficiency and running stability. In practical applications, it is necessary to weigh and provide a new type of large pitch single-tooth detachable sprocket according to specific usage scenarios and needs. Utility Model Content

[0005] In order to overcome the existing deficiencies, the utility model provides a large-pitch single-tooth detachable sprocket.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a large-pitch single-tooth detachable sprocket, including a fixed part and a gear part, four groups of positioning grooves are equidistantly provided on the surface of the fixed part near the outer ring, four groups of positioning blocks are equidistantly installed on the surface of the gear part near the inner ring, and the positioning grooves are connected to the positioning blocks through bolt assemblies; the inner ring of the gear part is integrally connected with a protrusion, an oil storage tank is provided in the middle, and the outer ring is threadedly connected with a group of sprocket teeth, wherein the side surface of the sprocket teeth is provided with an oil outlet hole, which is connected with the oil outlet on the side surface of the oil storage tank; a plurality of groups of positioning columns are provided inside the oil storage tank, and a circular ring is fixed by the positioning columns; the outer ring of the fixed part is provided with a groove, and the groove matches the protrusion.

[0007] According to another embodiment of the utility model, it further includes that the positioning block is inserted into the positioning groove, and a connecting block 1 is provided above the positioning groove; a connecting block 2 is provided on the surface of the positioning block; a threaded through hole 1 is provided between the connecting block 1 and the connecting block 2, and the connecting block 1 and the connecting block 2 are fixed by a bolt assembly.

[0008] According to another embodiment of the utility model, the bolt assembly further includes screw 1 and bolts, and the screw 1 is threadedly connected to the connecting block 1 and the connecting block 2 and fixed by the bolts.

[0009] According to another embodiment of the utility model, the fixing portion is further provided with an axial hole at the center and triangular weight-reducing holes on the surface.

[0010] According to another embodiment of the utility model, it further includes that the circular ring is provided with four groups of threaded through holes 2, which match the positioning column; the inner wall of the positioning column is provided with threads, and the threaded through holes 2 are fixed by screws 2.

[0011] According to another embodiment of the utility model, further comprising: sealing rings are provided at the bottom of the outer ring and the inner ring.

[0012] According to another embodiment of the utility model, the sealing ring at the bottom of the outer ring is further provided with a notch at the oil outlet.

[0013] The beneficial effect of the utility model is that the large-pitch single-tooth sprocket adopts a detachable design, which makes the maintenance and replacement of the sprocket teeth more convenient. When the sprocket is worn or damaged, the single tooth portion can be easily disassembled and replaced without replacing the entire sprocket, thereby reducing maintenance costs and time, and the fixed portion and the gear portion can be disassembled and assembled for maintenance and cleaning as needed, thereby improving the stability and transmission efficiency of the sprocket; the chain drive itself has the characteristic of high transmission efficiency, and the design of the large-pitch single-tooth sprocket further optimizes the transmission efficiency, reduces energy loss by reducing friction and sliding between the sprocket and the chain, and improves the efficiency of the entire transmission system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the fixed part;

[0017] Figure 3 It is a schematic diagram of the structure of the gear unit;

[0018] Figure 4 is a side view of the ring;

[0019] Figure 5 It is a cross-sectional view of the sprocket teeth.

[0020] In the figure, 1, fixing part, 2, gear part, 3, positioning groove, 4, positioning block, 5, bolt assembly, 6, protrusion, 7, sprocket tooth, 8, oil outlet hole, 9, oil storage tank, 10, oil outlet, 11, positioning column, 12, ring, 13, groove, 14, connecting block one, 15, connecting block two, 16, threaded through hole one, 17, screw one, 18, bolt, 19, shaft hole, 20, weight reduction hole, 21, threaded through hole two, 22, screw two, 23, sealing ring. DETAILED DESCRIPTION

[0021] like Figure 1 It is a structural schematic diagram of the utility model, a large-pitch single-tooth detachable sprocket, comprising a fixed part 1 and a gear part 2, four groups of positioning grooves 3 are equidistantly provided on the surface of the fixed part 1 near the outer ring, four groups of positioning blocks 4 are equidistantly installed on the surface of the gear part 2 near the inner ring, and the positioning grooves 3 are connected to the positioning blocks 4 through bolt 18 assemblies 5; the inner ring of the gear part 2 is integrally connected with a protrusion 6, an oil storage tank 9 is provided in the middle, and a group of sprocket teeth 7 are threadedly connected to the outer ring, wherein an oil outlet hole 8 is provided on the side of the sprocket teeth 7, which is communicated with the oil outlet 10 on the side of the oil storage tank 9; a plurality of groups of positioning columns 11 are provided inside the oil storage tank 9, and a circular ring 12 is fixed by the positioning columns 11; the outer ring of the fixed part 1 is provided with a groove 13, and the groove 13 matches the protrusion 6.

[0022] According to another embodiment of the utility model, it further includes: the positioning block 4 is inserted into the positioning groove 3, and a connecting block 14 is provided above the positioning groove 3; a connecting block 2 15 is provided on the surface of the positioning block 4; a threaded through hole 16 is provided between the connecting block 14 and the connecting block 2 15, and the connecting block 14 and the connecting block 2 15 are fixed by a bolt 18 assembly 5.

[0023] According to another embodiment of the utility model, the bolt 18 assembly 5 further includes a screw 17 and a bolt 18, and the screw 17 is threadedly connected to the connecting block 14 and the connecting block 2 15 and fixed by the bolt 18.

[0024] Specifically, the positioning block 4 is inserted into the positioning groove 3, and is fixed with a bolt 18 after the screw 17 penetrates the connecting block 14 and the connecting block 2 15, so as to facilitate disassembly and assembly during maintenance and cleaning.

[0025] According to another embodiment of the utility model, the fixing part 1 is further provided with an axial hole 19 at the center, and a triangular weight-reducing hole 20 for reducing the self-weight of the fixing part is provided on the surface.

[0026] According to another embodiment of the utility model, the circular ring 12 is provided with four groups of threaded through holes 21 matching the positioning column 11 ; the inner wall of the positioning column 11 is provided with threads, and the threaded through holes 21 are fixed by screws 22 .

[0027] According to another embodiment of the utility model, further comprising: sealing rings 23 are provided at the bottom of the outer ring and the inner ring of the circular ring 12 .

[0028] According to another embodiment of the utility model, the sealing ring 23 at the bottom of the outer ring is further provided with a notch at the oil outlet 10, so that the lubricating oil can be sealed to prevent it from leaking out from the gap between the ring 12 and the oil storage tank 9, while being able to leak out from the surface of the sprocket teeth 7 along the oil outlet 10 to the oil outlet hole 8 and lubricate.

[0029] Specifically, the sprocket teeth 7 are fixed on the gear part 2, the gear part 2 is fixedly connected to the fixed part 1 by a bolt assembly, and lubricating oil is poured into the oil storage tank 9, and then the ring 12 is covered. When it is used and rotated, the lubricating oil slides on the surface of the sprocket teeth 7 from the notch of the sealing ring 23 along the oil outlet 10 to the oil outlet hole 8.

[0030] The above description is only illustrative rather than restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all will fall within the scope of protection of the present invention.

Claims

1. A large pitch single tooth detachable sprocket, characterized in that: The invention comprises a fixing part (1) and a gear part (2), wherein four groups of positioning grooves (3) are equidistantly provided on the surface of the fixing part (1) near the outer ring, and four groups of positioning blocks (4) are equidistantly installed on the surface of the gear part (2) near the inner ring, wherein the positioning grooves (3) are connected to the positioning blocks (4) via a bolt (18) assembly (5); a convex block (6) is integrally connected to the inner ring of the gear part (2), an oil storage tank (9) is provided in the middle, and a group of sprocket teeth (7) are threadedly connected to the outer ring, wherein an oil outlet hole (8) is provided on the side of the sprocket teeth (7) and is connected to an oil outlet (10) on the side of the oil storage tank (9); a plurality of groups of positioning columns (11) are provided inside the oil storage tank (9), and a circular ring (12) is fixed via the positioning columns (11); a groove (13) is provided on the outer ring of the fixing part (1), and the groove (13) matches the convex block (6).

2. The large pitch single tooth detachable sprocket according to claim 1 is characterized in that: The positioning block (4) is inserted into the positioning groove (3), and a connecting block 1 (14) is provided above the positioning groove (3); a connecting block 2 (15) is provided on the surface of the positioning block (4); a threaded through hole 1 (16) is provided between the connecting block 1 (14) and the connecting block 2 (15), and the connecting block 1 (14) and the connecting block 2 (15) are fixed by a bolt (18) assembly (5).

3. The large pitch single tooth detachable sprocket according to claim 2, characterized in that: The bolt (18) assembly (5) comprises a screw 1 (17) and a bolt (18); the screw 1 (17) is threadedly connected to the connecting block 1 (14) and the connecting block 2 (15) and is fixed by the bolt (18).

4. The large pitch single tooth detachable sprocket according to claim 1, characterized in that: The fixing portion (1) is provided with an axial hole (19) at the centre and a triangular weight-reducing hole (20) on the surface.

5. The large pitch single tooth detachable sprocket according to claim 1, characterized in that: The circular ring (12) is provided with four groups of threaded through holes (21) matching the positioning column (11); the inner wall of the positioning column (11) is provided with threads, and the threaded through holes (21) are fixed by screws (22).

6. The large pitch single tooth detachable sprocket according to claim 5, characterized in that: Sealing rings (23) are provided at the bottom of the outer ring and the inner ring of the circular ring (12).

7. The large pitch single tooth detachable sprocket according to claim 6, characterized in that: The sealing ring (23) at the bottom of the outer ring is provided with a notch at the oil outlet (10).

Images