Duplicate gear mechanism capable of adjusting distance in two directions

By designing a double-connected gear mechanism with bidirectional pitch adjustment, the adjustment motor and double-headed threaded rods are used to achieve bidirectional adjustment of gear pitch, the problem of insufficient flexibility of existing double-connected gear adjustment is solved, and the flexibility of gear adjustment and the stability of power transmission is improved.

CN222894588UActive Publication Date: 2025-05-23SUZHOU STARTOOL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421905278.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-05-23
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

The existing dual gears have low adjustment flexibility in mechanical transmission devices and are difficult to adapt to equipment that require adjustment and control.

Method used

A double gear mechanism with bidirectional adjustment of spacing is designed. By adjusting the motor, the moving block moves in the opposite direction on the surface of the threaded rod, which drives the connecting seat and the double gear structural member to achieve bidirectional adjustment.

Benefits of technology

It improves the flexibility of gear adjustment, can adapt to the output adjustment control of different equipment, and ensures the stability of power transmission.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222894588U_ABST
    Figure CN222894588U_ABST
Patent Text Reader

Abstract

The utility model discloses a duplicate gear mechanism capable of adjusting spacing in two directions, and relates to the technical field of duplicate gears, according to the duplicate gear mechanism capable of adjusting spacing in two directions, a double-end threaded rod is driven to rotate through an adjusting motor, so that two moving blocks move at constant speed on the surface of the double-end threaded rod in opposite directions, and the distance between the two moving blocks is adjusted. The gear column is driven by the input transmission shaft to rotate, so that the face gear, the connecting shaft and the flat gear rotate together, and the corresponding output gear structure is driven to rotate and output. The cutting gear column is connected with the face gear in a meshed mode, it is conveniently guaranteed that when the duplicate gear structure is adjusted, the duplicate gear structure can be always connected with the gear column in a meshed mode, power transmission is guaranteed, the duplicate gear structure is matched with the horizontal gear to be connected with different output gear structures in a meshed mode, and therefore the output end of equipment is adjusted and controlled.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of double gears, in particular to a double gear mechanism capable of adjusting the spacing in both directions. Background Art

[0002] The duplex gear is composed of two concentric gears. The convex teeth on the large gear mesh with the convex teeth on the small gear to form a gear transmission. The driving shafts and driven shafts of the two gears are the same, forming a coaxial duplex structure. In the duplex gear transmission, the large gear rotates through the transmission direction to drive the small gear to rotate together, completing a transmission process, that is, the rotation speeds of the large gear and the small gear are equal, so the transmission efficiency of the duplex gear is very high.

[0003] For example, patent number CN214007969U, the utility model relates to a double gear, including a first gear, a second gear, a connecting mechanism and at least two pins, one side of the first gear and the second gear are respectively provided with a groove for the connecting mechanism to be inserted, the first gear and the second gear are fixed by the connecting mechanism and are coaxially arranged, the first gear and the second gear are respectively evenly provided with at least two holes, the pins are respectively inserted into the holes on the first gear and the second gear to fix the first gear and the second gear. The two gears are tightly matched together by the connecting mechanism and the grooves of the first gear and the second gear, and then the pins are inserted into the corresponding holes on the gears to fix the two gears, so that the two gear structures are stable. This structure can combine two gears of any size together, especially for two gears with close pitch circles and small tooth surface spacing, which can be easily combined together. It solves the problem that the existing double gears are difficult to manufacture and difficult to install.

[0004] Existing double gears are widely used in various mechanical transmission devices, but simple double gear matching has certain limitations, the flexibility of gear adjustment is low, and it is not convenient to apply to some equipment that requires adjustment and control. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a double gear mechanism with bidirectional adjustable spacing to solve the problem mentioned in the above background technology that the existing double gears are widely used in various mechanical transmission devices, but the simple double gear matching has certain limitations, the flexibility of gear adjustment is low, and it is not convenient to apply to some equipment that needs adjustment and control.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a double-gear mechanism with bidirectional adjustable spacing, comprising a gear box, a displacement guide rail is fixedly installed at the lower end of the gear box, a slide groove is opened at the upper end of the displacement guide rail, an adjusting motor is fixedly installed inside the displacement guide rail, a double-headed threaded rod is fixedly installed at the output end of the adjusting motor, moving blocks are provided on the left and right sides of the surface of the double-headed threaded rod, a connecting piece is fixedly installed on the upper end of the moving block, the upper end of the connecting piece extends to the outer side of the slide groove and is fixedly installed on a connecting seat, a connecting shaft is provided on the connecting seat, the front end of the connecting shaft extends to the front side of the connecting seat and is fixedly installed with a face gear, the rear end of the connecting shaft extends to the rear side of the connecting seat and is fixedly installed with a flat gear, an input transmission shaft is provided on the front side of the gear box, and a gear column is fixedly installed on the surface of the input transmission shaft.

[0007] Preferably, mounting plates are fixedly mounted on the lower sides of the left and right ends of the gear box, and mounting holes are formed on the mounting plates.

[0008] Preferably, one end of the double-threaded rod away from the adjusting motor is rotatably connected to the displacement guide rail, and the threads on both sides of the double-threaded rod have opposite rotation directions.

[0009] Preferably, the moving block is slidably connected to the displacement guide rail, and the connecting piece is slidably connected to the slide groove.

[0010] Preferably, the two moving blocks are respectively threadedly connected to two sides of the surface of the double-headed threaded rod, and the connecting seat is designed in a U-shaped structure.

[0011] Preferably, the connecting shaft is rotatably connected to the connecting seat, and the gear column is meshingly connected to the face gear.

[0012] Preferably, the right end of the input transmission shaft is rotatably connected to the gear box, the left end of the input transmission shaft extends to the outside of the gear box, and the surface is rotatably connected to the gear box, and an output gear structure is provided on the side of the spur gear.

[0013] Beneficial Effects

[0014] The utility model provides a double gear mechanism for adjusting the spacing in both directions. Compared with the prior art, it has the following beneficial effects:

[0015] The double-gear mechanism with bidirectional adjustable spacing drives the double-threaded rod to rotate by adjusting the motor, so that the two moving blocks move in opposite directions on the surface of the double-threaded rod at a uniform speed, thereby driving the corresponding connecting seat and the double-gear structural member connected thereto to move respectively, thereby realizing bidirectional adjustment of the spacing of the double-gear mechanism, and driving the gear column to rotate by the input transmission shaft, so that the face gear, the connecting shaft and the flat gear rotate together, thereby driving the corresponding output gear structure to rotate and output, and the gear column is meshed and connected with the face gear, so as to ensure that when the double-gear structure is adjusted, the double-gear structure can always be meshed and connected with the gear column to ensure power transmission, and cooperate with the flat gear to mesh and connect with different output gear structures, thereby realizing adjustment and control of the output end of the equipment, which is conducive to improving the flexibility of gear adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the gear box structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the displacement guide structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the face gear structure of the utility model.

[0020] In the figure: 1. gear box; 2. displacement guide rail; 3. slide groove; 4. adjustment motor; 5. double-headed threaded rod; 6. moving block; 7. connecting piece; 8. connecting seat; 9. connecting shaft; 10. face gear; 11. flat gear; 12. input drive shaft; 13. gear column; 14. mounting plate; 15. mounting hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a double-gear mechanism with bidirectional adjustable spacing, comprising a gear box 1, a displacement guide rail 2 is fixedly installed at the lower end of the gear box 1, a slide groove 3 is opened at the upper end of the displacement guide rail 2, an adjustment motor 4 is fixedly installed inside the displacement guide rail 2, a double-headed threaded rod 5 is fixedly installed at the output end of the adjustment motor 4, a moving block 6 is arranged on both sides of the left and right sides of the surface of the double-headed threaded rod 5, a connecting piece 7 is fixedly installed at the upper end of the moving block 6, and a connecting seat 8 is fixedly installed at the upper end of the connecting piece 7 extending to the outer side of the slide groove 3, and a mounting plate 14 is fixedly installed on the lower side of the left and right ends of the gear box 1, and a mounting plate 14 is opened on the mounting plate 14 There is a mounting hole 15, one end of the double-threaded rod 5 away from the adjusting motor 4 is rotatably connected to the displacement guide rail 2, the threads on both sides of the double-threaded rod 5 are in opposite rotation directions, the moving block 6 is slidably connected to the displacement guide rail 2, the connecting piece 7 is slidably connected to the slide groove 3, the two moving blocks 6 are respectively threadedly connected to the two sides of the surface of the double-threaded rod 5, and the connecting seat 8 is designed in a U-shaped structure. The double-threaded rod 5 is driven to rotate by the adjusting motor 4, so that the two moving blocks 6 move at a uniform speed in opposite directions on the surface of the double-threaded rod 5, thereby driving the corresponding connecting seat 8 and the double-linked gear structure connected thereto to move, thereby realizing a two-way adjustment of the spacing of the double-linked gear mechanism;

[0023] A connecting shaft 9 is provided on the connecting seat 8, the front end of the connecting shaft 9 extends to the front side of the connecting seat 8 and is fixedly installed with a face gear 10, the rear end of the connecting shaft 9 extends to the rear side of the connecting seat 8 and is fixedly installed with a flat gear 11, an input transmission shaft 12 is provided on the front side of the gear box 1, a gear column 13 is fixedly installed on the surface of the input transmission shaft 12, the connecting shaft 9 is rotatably connected to the connecting seat 8, the gear column 13 is meshed with the face gear 10, the right end of the input transmission shaft 12 is rotatably connected to the gear box 1, the left end of the input transmission shaft 12 extends to the outside of the gear box 1, and the surface is rotatably connected to the gear box 1 An output gear structure is provided on the side of the flat gear 11, and the gear column 13 is driven to rotate by the input transmission shaft 12, so that the face gear 10, the connecting shaft 9 and the flat gear 11 rotate together, thereby driving the corresponding output gear structure to rotate and output, and the gear column 13 is meshed and connected with the face gear 10, so as to ensure that when adjusting the double gear structure, the double gear structure can always be meshed and connected with the gear column 13 to ensure the transmission of power, and cooperate with the flat gear 11 to mesh and connect with different output gear structures, so as to realize the adjustment and control of the output end of the equipment, which is conducive to improving the flexibility of gear adjustment.

[0024] During operation, the double-headed threaded rod 5 is driven to rotate by adjusting the motor 4, so that the two moving blocks 6 move at a uniform speed in opposite directions on the surface of the double-headed threaded rod 5, thereby driving the corresponding connecting seat 8 and the double gear structure connected thereto to move respectively, thereby realizing two-way adjustment of the spacing of the double gear mechanism, and driving the gear column 13 to rotate through the input transmission shaft 12, so that the face gear 10, the connecting shaft 9 and the flat gear 11 rotate together, thereby driving the corresponding output gear structure to rotate and output, and the gear column 13 is meshed and connected with the face gear 10, so as to ensure that when the double gear structure is adjusted, the double gear structure can always be meshed and connected with the gear column 13 to ensure the transmission of power, and cooperate with the flat gear 11 to mesh and connect with different output gear structures, thereby realizing the adjustment and control of the output end of the equipment.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A double gear mechanism for bidirectionally adjusting spacing, comprising a gear box (1), characterized in that: A displacement guide rail (2) is fixedly mounted at the lower end of the gear box (1), a slide groove (3) is provided at the upper end of the displacement guide rail (2), an adjustment motor (4) is fixedly mounted inside the displacement guide rail (2), a double-headed threaded rod (5) is fixedly mounted at the output end of the adjustment motor (4), a moving block (6) is arranged on both the left and right sides of the surface of the double-headed threaded rod (5), a connecting piece (7) is fixedly mounted on the upper end of the moving block (6), the upper end of the connecting piece (7) extends to the outer side of the slide groove (3) and is fixedly mounted on a connecting seat (8), a connecting shaft (9) is arranged on the connecting seat (8), a front end of the connecting shaft (9) extends to the front side of the connecting seat (8) and is fixedly mounted with a face gear (10), a rear end of the connecting shaft (9) extends to the rear side of the connecting seat (8) and is fixedly mounted with a flat gear (11), an input transmission shaft (12) is arranged on the front side of the gear box (1), and a gear column (13) is fixedly mounted on the surface of the input transmission shaft (12).

2. A double gear mechanism for bidirectionally adjusting the spacing according to claim 1, characterized in that: Mounting plates (14) are fixedly mounted on the lower sides of both left and right ends of the gear box (1), and mounting holes (15) are provided on the mounting plates (14).

3. The double gear mechanism for bidirectionally adjusting the spacing according to claim 1, characterized in that: One end of the double-threaded rod (5) away from the adjustment motor (4) is rotatably connected to the displacement guide rail (2), and the threads on both sides of the double-threaded rod (5) have opposite rotation directions.

4. A double gear mechanism for bidirectionally adjusting the spacing according to claim 3, characterized in that: The moving block (6) is slidably connected to the displacement guide rail (2), and the connecting member (7) is slidably connected to the slide groove (3).

5. A double gear mechanism for bidirectionally adjusting the spacing according to claim 4, characterized in that: The two moving blocks (6) are respectively threadedly connected to two sides of the surface of the double-headed threaded rod (5), and the connecting seat (8) is designed in a U-shaped structure.

6. A double gear mechanism for bidirectionally adjusting the spacing according to claim 5, characterized in that: The connecting shaft (9) is rotatably connected to the connecting seat (8), and the gear column (13) is meshingly connected to the face gear (10).

7. The double gear mechanism for bidirectionally adjusting the spacing according to claim 1, characterized in that: The right end of the input transmission shaft (12) is rotatably connected to the gear box (1), the left end of the input transmission shaft (12) extends to the outside of the gear box (1), and the surface is rotatably connected to the gear box (1), and an output gear structure is provided on the side of the spur gear (11).