Combined gear

Abstract

The utility model relates to the field of gears, and discloses a combined type gear which comprises a hub, a rim ring is connected to the periphery of the hub in a sliding mode, a round rod is fixedly connected to the middle of the hub, a fixing assembly is installed on the periphery of the round rod, a clamping block is fixedly connected to the outer side of the hub, the clamping block is connected to the middle of the rim ring in a sliding mode, and the clamping block is fixedly connected to the outer side of the hub. The fixing assembly comprises a connecting plate, the connecting plate is rotationally connected to the periphery of the round rod, a fixing screw is slidably connected to the middle of the connecting plate, and one end of the fixing screw penetrates through the connecting plate and is in threaded connection to the middle of the rim ring. According to the utility model, firstly, the rim ring is sleeved on the periphery of the hub, the connecting plate is rotated to align the sliding hole with the threaded hole, and then the fixing screw penetrates through the sliding hole to be fixed in the threaded hole, so that the hub and the rim ring are fixed together, the hub can be independently replaced after the gear teeth are damaged, and the replacement cost and the material waste are reduced.

Description

Technical Field

[0001] This utility model relates to the field of gears, and more particularly to a combined gear. Background Technology

[0002] Gears, as an important mechanical transmission device, are widely used in various industries and daily life. Through the rational combination of multiple gears, they can effectively change the speed, torque, or direction of motion to meet different transmission requirements. Their efficient and flexible transmission characteristics have made gears an indispensable key component in many industries.

[0003] Under long-term operation or overload use, the gear teeth of existing gears may be damaged due to fatigue, wear, fracture or pitting, resulting in a decrease in transmission performance or even failure. As a result, the gear needs to be knocked off the drive shaft for replacement. However, replacing the entire gear set is expensive, especially for large or high-precision gears. Furthermore, even if only some teeth are damaged, the entire gear must be scrapped, resulting in material waste. Therefore, a combined gear is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a combined gear, which aims to improve the problem of excessively high replacement cost and easy material waste in the prior art when the gear teeth are damaged.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A composite gear includes a hub, a rim ring slidably connected to the outer periphery of the hub, a round rod fixedly connected to the middle of the hub, a fixing component installed on the outer periphery of the round rod, and a locking block fixedly connected to the outer side of the hub, the locking block being slidably connected to the middle of the rim ring.

[0007] The fixing component includes a connecting plate, which is rotatably connected to the outer periphery of the round rod. A fixing screw is slidably connected to the middle of the connecting plate, and one end of the fixing screw passes through the connecting plate and is threaded to the middle of the wheel rim ring.

[0008] As a further description of the above technical solution:

[0009] Multiple support blocks are fixedly connected to the center of the wheel hub, and a heat dissipation groove is provided between two adjacent support blocks.

[0010] As a further description of the above technical solution:

[0011] The connecting plate has a sliding hole in the middle, the wheel rim ring has a threaded hole in the middle, and the fixing screw passes through the sliding hole and is threaded to the middle of the threaded hole;

[0012] As a further description of the above technical solution:

[0013] The connecting plate has a through hole in the middle, the hub has a mounting hole in the middle, and the round rod passes through the through hole and is fixedly connected to the middle of the mounting hole.

[0014] As a further description of the above technical solution:

[0015] A stop block is fixedly connected to the end of the round rod away from the hub;

[0016] As a further description of the above technical solution:

[0017] The diameter of the left side of the hub is larger than that of the right side, and the inner diameter of the left side of the rim ring is larger than that of the right side.

[0018] As a further description of the above technical solution:

[0019] A slot is provided in the middle of the rim ring, and the locking block is slidably connected to the middle of the slot;

[0020] As a further description of the above technical solution:

[0021] The card block is wedge-shaped.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the wheel rim ring is first fitted onto the outer circumference of the wheel hub, and the connecting plate is rotated to align the sliding hole with the threaded hole. Then, the fixing screw is passed through the sliding hole and fixed in the threaded hole, thereby fixing the wheel hub and the wheel rim ring together. This allows the wheel rim ring to be replaced separately after the wheel teeth are damaged, reducing replacement costs and material waste. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of a combined gear proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the structure of a locking block for a combined gear proposed in this utility model;

[0026] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0027] Legend:

[0028] 1. Hub; 2. Flange ring; 3. Connecting plate; 4. Fixing screw; 5. Stop block; 6. Locking block; 7. Support block; 8. Heat dissipation groove; 9. Round rod; 10. Sliding hole; 11. Through hole; 12. Mounting hole; 13. Threaded hole; 14. Slot. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Reference Figures 1-3 This utility model provides an embodiment of a combined gear, including a hub 1, a rim ring 2 slidably connected to the outer periphery of the hub 1, a round rod 9 fixedly connected to the middle of the hub 1, a fixing component installed on the outer periphery of the round rod 9, a locking block 6 fixedly connected to the outer side of the hub 1, the locking block 6 slidably connected to the middle of the rim ring 2, the fixing component including a connecting plate 3, the connecting plate 3 rotatably connected to the outer periphery of a through hole 11, a fixing screw 4 slidably connected to the middle of the connecting plate 3, one end of the fixing screw 4 passing through the connecting plate 3 and threadedly connected to the middle of the rim ring 2, a sliding hole 10 opened in the middle of the connecting plate 3, a threaded hole 13 opened in the middle of the rim ring 2, the fixing screw 4 passing through the sliding hole 10 and threadedly connected to the middle of a mounting hole 12, a through hole 11 opened in the middle of the connecting plate 3, a mounting hole 12 opened in the middle of the hub 1, and a round rod 9 passing through the through hole 11 and fixedly connected to the middle of the mounting hole 12. First, the mounting hole 12 allows the round rod 9 to be fixed on the outside of the hub 1, so that the connecting plate 3 can rotate on the outside of the hub 1 via the round rod 9. Then, the rim ring 2 is slid in from the right side and fitted onto the outer circumference of the hub 1. The connecting plate 3 is rotated so that the sliding hole 10 is aligned with the threaded hole 13 on the hub 1. The fixing screw 4 is then passed through the sliding hole 10 and fixed in the threaded hole 13, thereby fixing the hub 1 and the rim ring 2 together. This allows the rim ring 2 to be replaced separately if the wheel teeth are damaged, reducing replacement costs and material waste. At the same time, the locking block 6 prevents the fixing screw 4 and the connecting plate 3 from being damaged by excessive torque when the hub 1 is rotated.

[0031] Reference Figure 1 and Figure 2 A stop block 5 is fixedly connected to the end of the round rod 9 away from the hub 1. The diameter of the left side of the hub 1 is larger than that of the right side, and the inner diameter of the left side of the rim ring 2 is larger than that of the right side. A groove 14 is provided in the middle of the rim ring 2, and a wedge-shaped block 6 is slidably connected in the middle of the groove 14. The tapered structure with the larger diameter on the left and the smaller diameter on the right makes it easier to install the hub 1. At the same time, the wedge-shaped block 6 and the groove 14 can improve the tightness between the hub 1 and the rim ring 2, thereby avoiding the existence of gaps.

[0032] Reference Figures 1-3Multiple support blocks 7 are fixedly connected to the middle of the hub 1, and heat dissipation grooves 8 are provided between two adjacent support blocks 7. The heat dissipation grooves 8 allow the heat conducted when the gear rotates to be dissipated quickly, thereby preventing the gear from being damaged by heat during long-term use.

[0033] Working principle: First, the rim ring 2 is fitted onto the outer circumference of the hub 1, and the connecting plate 3 is rotated to align the sliding hole 10 with the threaded hole 13. Then, the fixing screw 4 is passed through the sliding hole 10 and fixed in the threaded hole 13, thereby fixing the hub 1 and the rim ring 2 together. Under the action of the locking block 6, the torque on the fixing screw 4 and the connecting plate 3 can be avoided when the hub 1 rotates, so that the rim ring 2 can be replaced separately after the wheel teeth are damaged, reducing replacement costs and material waste.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A composite gear, comprising a hub (1), characterized in that: A rim ring (2) is slidably connected to the outer periphery of the hub (1), a round rod (9) is fixedly connected to the middle of the hub (1), a fixing component is installed on the outer periphery of the round rod (9), a locking block (6) is fixedly connected to the outer side of the hub (1), and the locking block (6) is slidably connected to the middle of the rim ring (2). The fixing component includes a connecting plate (3), which is rotatably connected to the outer periphery of the round rod (9). A fixing screw (4) is slidably connected to the middle of the connecting plate (3). One end of the fixing screw (4) passes through the connecting plate (3) and is threaded to the middle of the wheel rim ring (2).

2. A combined gear according to claim 1, characterized in that: Multiple support blocks (7) are fixedly connected to the middle of the hub (1), and a heat dissipation groove (8) is provided between two adjacent support blocks (7).

3. A combined gear according to claim 1, characterized in that: The connecting plate (3) has a sliding hole (10) in the middle, the wheel rim ring (2) has a threaded hole (13) in the middle, and the fixing screw (4) passes through the sliding hole (10) and is threaded to the middle of the threaded hole (13).

4. A combined gear according to claim 1, characterized in that: The connecting plate (3) has a through hole (11) in the middle, and the hub (1) has a mounting hole (12) in the middle. The round rod (9) passes through the through hole (11) and is fixedly connected to the middle of the mounting hole (12).

5. A combined gear according to claim 1, characterized in that: A stop block (5) is fixedly connected to the end of the round rod (9) away from the hub (1).

6. A combined gear according to claim 1, characterized in that: The diameter of the left side of the hub (1) is greater than that of the right side, and the inner diameter of the left side of the rim ring (2) is greater than that of the right side.

7. A combined gear according to claim 1, characterized in that: The rim ring (2) has a slot (14) in the middle, and the locking block (6) is slidably connected to the middle of the slot (14).

8. A combined gear according to claim 1, characterized in that: The card block (6) is wedge-shaped.

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