Distance-adjustable duplicate gear

Abstract

The utility model provides a distance-adjustable duplicate gear, and belongs to the technical field of duplicate gears. The dual gear solves the problems that the distance between two gears on an existing dual gear is usually fixed, errors possibly exist in the center distance of the gears in the machining and assembling process, if the distance cannot be adjusted, the errors cannot be compensated through fine adjustment, and consequently gear meshing is poor. The distance-adjustable duplicate gear comprises a main shaft and a first gear fixedly arranged on the main shaft, a second gear is movably arranged on the main shaft, a first sliding groove is formed in the main shaft, a threaded rod is rotatably arranged on the inner wall of the first sliding groove, a first sliding block is fixedly arranged on the inner wall of the second gear, and the threaded rod is sleeved with the first sliding block; and a threaded hole matched with the threaded rod for use is formed in the inner wall of the sliding block I. The adjustable duplicate gear has the advantages that the position of the second gear can be adjusted, the distance between the first gear and the second gear can be adjusted, errors are compensated through adjustment, and the gear meshing effect is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to duplex gear technical field relates to a duplex gear especially relates to a spacing adjustable duplex gear. BACKGROUND

[0002] Duplex gear is a kind of mechanical transmission component combined by two coaxial gears with certain distance.The spacing of the two gears on the existing duplex gear is usually fixed,there may be errors in the center distance of gear during machining and assembling,if the spacing is not adjustable,then the error cannot be compensated by fine adjustment,leading to poor gear engagement,therefore,designing a spacing adjustable duplex gear has important significance. SUMMARY

[0003] The utility model discloses a spacing adjustable duplex gear to solve the above problems in the prior art.

[0004] The utility model discloses a spacing adjustable duplex gear, including the main shaft and the gear one of fixed setting in the main shaft, its characterized in that, the gear two of movable setting is set up on the main shaft, the chute one is set up on the main shaft, the screw rod is rotatably arranged on the inner wall of chute one, the sliding block one is fixedly arranged on the inner wall of gear two, and the sliding block one is sleeved on the screw rod, the screw hole that is used in cooperation with screw rod is set up on the inner wall of sliding block one, the movable slot is set up on the main shaft, the knob wheel is rotatably arranged in the movable slot, and one end of screw rod is fixedly connected with knob wheel.

[0005] In the above-mentioned spacing adjustable duplex gear, the limit slot is set up on the inner wall of the main shaft, the circular plate is rotatably arranged in the limit slot, and one end of the screw rod is fixedly connected with the circular plate.

[0006] In the above-mentioned spacing adjustable duplex gear, the chute two is set up on the both sides of the main shaft, the sliding block two is slidably arranged on the inner wall of chute two, and the sliding block two is fixedly connected with the gear two.

[0007] In the above-mentioned spacing adjustable duplex gear, the strip screw groove is set up in the chute two, and the bolt that is used in cooperation with the strip screw groove is arranged on the sliding block two.

[0008] Compared with the prior art, the spacing adjustable duplex gear can adjust the position of the gear two, realize the adjustment of the spacing between the gear one and the gear two, compensate the error by adjustment, and make the gear engagement better. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the three-dimensional schematic view of the spacing adjustable duplex gear.

[0010] Fig. 2 Figure 2 is a structural schematic diagram of gear two of the present adjustable double gear.

[0011] Fig. 3 Figure 3 is a structural schematic diagram of the main shaft of the present adjustable double gear.

[0012] In the figure, 1 is a main shaft, 2 is gear one, 3 is gear two, 4 is a sliding groove one, 5 is a threaded rod, 6 is a sliding block one, 7 is a threaded hole, 8 is a movable slot, 9 is a driving wheel, 10 is a limiting slot, 11 is a round plate, 12 is a sliding groove two, 13 is a sliding block two, 14 is a strip-shaped threaded groove, and 15 is a bolt. DETAILED DESCRIPTION

[0013] The following is a specific embodiment of the present utility model and further describes the technical scheme of the present utility model in combination with the drawings, but the present utility model is not limited to these embodiments.

[0014] As shown in Figure 1, the present adjustable double gear, comprising a main shaft 1 and a gear one 2 fixedly arranged on the main shaft 1, a gear two 3 movably arranged on the main shaft 1, a sliding groove one 4 formed on the main shaft 1, a threaded rod 5 rotatably arranged on the inner wall of the sliding groove one 4, a sliding block one 6 fixedly arranged on the inner wall of the gear two 3, the sliding block one 6 being sleeved on the threaded rod 5, a threaded hole 7 formed on the inner wall of the sliding block one 6 and used in cooperation with the threaded rod 5, a movable slot 8 formed on the main shaft 1, a driving wheel 9 rotatably arranged in the movable slot 8, and one end of the threaded rod 5 being fixedly connected with the driving wheel 9. Figs. 1-3 During the process of mechanical processing and assembly, if there is an error in the gear center distance, the driving wheel 9 can be rotated to drive the threaded rod 5 to rotate, the threaded rod 5 is used in cooperation with the sliding block one 6 to make the sliding block one 6 slide in the sliding groove one 4, thereby the position of the gear two 3 can be adjusted, the distance between the gear one 2 and the gear two 3 is adjusted, the error is compensated by adjustment, and the gear meshing effect is better.

[0015] Preferably, a limiting slot 10 is formed on the inner wall of the main shaft 1, a round plate 11 is rotatably arranged in the limiting slot 10, and one end of the threaded rod 5 is fixedly connected with the round plate 11.

[0016] Preferably, a sliding groove two 12 is formed on both sides of the main shaft 1, a sliding block two 13 is slidably arranged on the inner wall of the sliding groove two 12, and the sliding block two 13 is fixedly connected with the gear two 3.

[0017] Preferably, a strip-shaped threaded groove 14 is formed in the sliding groove two 12, and a bolt 15 used in cooperation with the strip-shaped threaded groove 14 is arranged on the sliding block two 13.

[0018] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0019] Although a number of terms are used herein, the possibility of using other terms is not excluded. The use of these terms is merely to facilitate the description and explanation of the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A pitch-adjustable double gear, comprising a main shaft (1) and a gear one (2) fixedly arranged on the main shaft (1), characterized in that, The main shaft (1) is movably provided with a gear two (3), the main shaft (1) is provided with a sliding groove one (4), the inner wall of the sliding groove one (4) is rotatably provided with a threaded rod (5), the inner wall of the gear two (3) is fixedly provided with a slider one (6), and the slider one (6) is sleeved on the threaded rod (5). The inner wall of the slider one (6) is provided with a threaded hole (7) that cooperates with the threaded rod (5). The main shaft (1) is provided with a movable groove (8), and a turning wheel (9) is rotatably provided in the movable groove (8). One end of the threaded rod (5) is fixedly connected to the turning wheel (9).

2. The adjustable-pitch double gear set of claim 1, wherein, The inner wall of the main shaft (1) is provided with a limiting groove (10), and a circular plate (11) is rotatably arranged in the limiting groove (10). One end of the threaded rod (5) is fixedly connected to the circular plate (11).

3. The adjustable-pitch double gear according to claim 1, characterized in that, The main shaft (1) has two sliding grooves (12) on both sides. The inner wall of the sliding groove (12) is provided with a slider (13), and the slider (13) is fixedly connected to the gear (3).

4. The adjustable-pitch double gear according to claim 3, characterized in that, The slide groove 2 (12) is provided with a strip-shaped threaded groove (14), and the slider 2 (13) is provided with a bolt (15) that works with the strip-shaped threaded groove (14).

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