Gear carrier capable of preventing gear from shaking

Abstract

The utility model discloses a gear carrier for preventing a gear from shaking, which comprises a fixed seat, a motor mounted on the fixed seat, a transmission shaft fixedly connected to the output end of the motor, a gear mounted on the transmission shaft, a mounting seat mounted at the top end of the fixed seat and positioned below the transmission shaft, and two groups of fixing mechanisms fixedly connected to the top end of the mounting seat, the fixing mechanism comprises two L-shaped seats, arc-shaped plates are fixedly connected to the two L-shaped seats, two first screw rods are in threaded connection to the arc-shaped plates, and clamping seats are rotationally connected to the ends, close to the transmission shaft, of the two first screw rods, so that bearings of different sizes can be clamped and fixed conveniently, and bearings of different models can be limited conveniently; according to the gear fixing device, a gear connected to a transmission shaft can be fixed, gear shaking is avoided, the use limitation of the gear is reduced, the use practicability of the gear is improved, large-scale production is facilitated, and the production difficulty of manufacturers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gear racks, and more specifically to a gear rack for preventing gears from shaking. Background Art

[0002] Gears refer to mechanical components with gears on the wheel rim that continuously mesh to transmit motion and power. The application of gears in transmission has appeared very early. At the end of the 19th century, the principle of gear cutting was developed and special machine tools and tools for gear cutting based on this principle appeared one after another. With the development of production, the stability of gear operation has been paid attention to. The bracket is a support device that forms a support shaft or support seat by opening a mounting hole on its surface and installing it in the mounting hole with a support rod to mount or carry parts.

[0003] The existing gear rack for preventing gear shaking can only fix one size of gear transmission shaft. Different types of gear racks need to be selected according to the different sizes of the transmission shaft connected to the gear, which leads to high limitations in its use. In addition, manufacturers need to produce gear racks of different sizes, which increases the difficulty of production for manufacturers. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the problems existing in the prior art, the utility model provides a gear rack for preventing gears from shaking, so as to solve the technical problems mentioned in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear rack that prevents gear shaking, comprising a fixed seat, wherein a motor is installed on the fixed seat, and the output end of the motor is fixedly connected to a transmission shaft, and a gear is installed on the transmission shaft. The top of the fixed seat is located below the transmission shaft and a mounting seat is installed, and the top of the mounting seat is fixedly connected to two groups of fixing mechanisms, the fixing mechanism comprises two L-shaped seats, the two L-shaped seats are fixedly connected to an arc plate, two first screws are threadedly connected to the arc plate, and one end of the two first screws close to the transmission shaft is rotatably connected to a clamping seat, and a limiting mechanism is arranged on the clamping seat, and a bearing is installed at a position corresponding to the fixing mechanism on the outside of the transmission shaft, which is convenient for clamping and fixing bearings of different sizes and limiting bearings of different models, and can fix the gear connected to the transmission shaft to avoid gear shaking, reduce the limitation of its use, improve the practicality of its use, facilitate mass production, and reduce the difficulty of production for manufacturers.

[0008] The utility model is further configured such that the limiting mechanism includes two arc-shaped limiting plates, a sliding groove is provided at one end of the clamping seat close to the bearing, the interior of the sliding groove is rotatably connected with a bidirectional screw, the exterior of the bidirectional screw is symmetrically threadedly connected with two sliding seats, the two sliding seats are respectively slidably matched with the sliding groove, the two arc-shaped limiting plates are respectively fixedly connected with the two sliding seats, and the bearing is conveniently limited by the limiting mechanism.

[0009] The utility model is further configured such that two positioning rods are fixedly connected to the side ends of the clamp seat, and the two positioning rods are both slidably matched with the arc-shaped plate, and the clamp seat is positioned by the positioning rods to prevent the clamp seat from rotating.

[0010] The utility model is further configured such that a first handle is fixedly connected to a side end of the first screw rod, and the first screw rod can be easily rotated by the first handle.

[0011] The utility model is further configured such that a plurality of threaded holes are provided in a circular array on the first handlebar, and the internal threads of the threaded holes are connected to a first screw adapted to the arc plate, and by tightening the first screw, the side end of the first screw is pressed against the side end of the arc plate, thereby facilitating the fixing of the first handlebar.

[0012] The utility model is further configured that the side end of the bidirectional screw is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected to the clamp seat, and the side end of the rotating shaft is fixedly connected with a second handle, which facilitates the rotation of the rotating shaft and the bidirectional screw.

[0013] The utility model is further configured such that a second screw that cooperates with the clamp seat is threadedly connected to the second handlebar, and the second screw is tightened so that the side end of the second screw is tightly pressed against the side end of the clamp seat, thereby facilitating the fixing of the second handlebar.

[0014] The utility model is further configured that the mounting seat is connected to the fixing seat by a third screw, so as to facilitate the disassembly and assembly of the mounting seat.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a gear rack that prevents gear shaking, which has the following beneficial effects:

[0017] 1. Install two bearings that match the transmission shaft on the transmission shaft, and make the two bearings correspond to the positions of the two fixing mechanisms respectively. By rotating the first screw rod clockwise, the first screw rod moves toward the bearing relative to the arc plate, and the bearing is clamped and fixed by the clamp seat, which is convenient for clamping and fixing bearings of different sizes, so that the gear connected to the transmission shaft can be fixed to avoid gear shaking, reducing the limitations of its use.

[0018] 2. By setting a limit mechanism and rotating the bidirectional screw, the two sliding seats move in opposite directions inside the slide groove, and the two sliding seats respectively drive the two arc-shaped limit plates to move, so that the side ends of the two arc-shaped limit plates contact the two side ends of the outer ring of the bearing, thereby facilitating the limiting of bearings of different widths, facilitating the limiting of bearings of different models, facilitating the fixing of transmission shafts of different models, and improving the practicality of its use.

[0019] 3. Because it can stably fix transmission shafts of different types, manufacturers can directly purchase bearings of different types and produce different bearings. For the gear rack that prevents gears from shaking, only one type needs to be produced, which is convenient for mass production and reduces the difficulty of production for manufacturers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front structure of a gear rack for preventing gear shaking in the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the connection between the transmission shaft, the fixing mechanism and the limiting mechanism in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the connection between the fixing mechanism and the limiting mechanism in the utility model;

[0023] Figure 4 This is a structural schematic diagram of the connection between the clamping seat and the limiting mechanism in the utility model;

[0024] Figure 5 It is a schematic cross-sectional structure diagram of the connection between the clamping seat and the limiting mechanism in the utility model.

[0025] In the figure: 1. fixed seat; 2. motor; 3. transmission shaft; 4. gear; 5. mounting seat; 6. L-shaped seat; 7. arc plate; 8. first screw; 9. clamp seat; 10. bearing; 11. arc limit plate; 12. slide groove; 13. bidirectional screw; 14. sliding seat; 15. positioning rod; 16. first handle; 17. threaded hole; 18. first screw; 19. rotating shaft; 20. second handle; 21. second screw; 22. third screw. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5 A gear rack for preventing gears from shaking, comprising a fixed seat 1, on which a motor 2 is mounted, the motor 2 here can also be replaced with other devices that can drive the transmission shaft 3 to rotate, this scheme mainly fixes the transmission shaft 3 and the gear 4 to prevent the gear 4 from shaking, the output end of the motor 2 is fixedly connected to the transmission shaft 3, the gear 4 is mounted on the transmission shaft 3, the top of the fixed seat 1 is located below the transmission shaft 3 and is provided with a mounting seat 5, the mounting seat 5 is connected to the fixed seat 1 by a third screw 22, so as to facilitate the disassembly and assembly of the mounting seat 5, the top of the mounting seat 5 is fixedly connected with two sets of fixing mechanisms, the fixing mechanisms include two L-shaped seats 6, both of which are fixedly connected with arc plates 7, two first screws 8 are threadedly connected to the arc plates 7, and the side ends of the first screws 8 are fixed A first turning handle 16 is connected, and the first screw rod 8 is conveniently rotated by the first turning handle 16. A plurality of threaded holes 17 are arranged in a circular array on the first turning handle 16. The internal threads of the threaded holes 17 are connected with a first screw 18 adapted to the arc plate 7. By tightening the first screw 18, the side end of the first screw 18 is pressed against the side end of the arc plate 7, so as to fix the first turning handle 16. One end of the two first screw rods 8 close to the transmission shaft 3 is rotatably connected with a clamp seat 9. The side end of the clamp seat 9 is fixedly connected with two positioning rods 15. Both positioning rods 15 are slidably matched with the arc plate 7. The clamp seat 9 is positioned by the positioning rods 15 to prevent the clamp seat 9 from rotating. A limiting mechanism is arranged on the clamp seat 9, and a bearing 10 is installed at a position corresponding to the fixing mechanism on the outside of the transmission shaft 3.

[0030] In this embodiment, two bearings 10 adapted to the transmission shaft 3 are installed on the transmission shaft 3, and the two bearings 10 are respectively corresponding to the positions of the two fixing mechanisms. By rotating the first screw 8 clockwise, the first screw 8 moves relative to the arc plate 7 in the direction close to the bearing 10, and the bearing 10 is clamped and fixed by the clamp seat 9, which is convenient for clamping and fixing bearings 10 of different sizes, so that the gear 4 connected to the transmission shaft 3 can be fixed to prevent the gear 4 from shaking, reducing the limitation of its use. By setting a limiting mechanism, it is convenient to limit bearings 10 of different widths, it is convenient to limit bearings 10 of different models, and it is convenient to fix transmission shafts 3 of different models, thereby improving the practicality of its use. Since it can stably fix transmission shafts 3 of different models, for manufacturers, different models of bearings 10 can be directly purchased, and different bearings 10 are produced. For the gear rack that prevents the gear 4 from shaking, only one model needs to be produced, which is convenient for mass production and reduces the difficulty of production for manufacturers.

[0031] See also Figure 2-5 The limiting mechanism includes two arc-shaped limiting plates 11, and a slide groove 12 is provided at one end of the clamping seat 9 close to the bearing 10. The internal rotation of the slide groove 12 is connected with a bidirectional screw 13, and the external symmetrical threaded connection of the bidirectional screw 13 is connected with two sliding seats 14. The two sliding seats 14 are respectively slidably matched with the slide groove 12, and the two arc-shaped limiting plates 11 are respectively fixedly connected with the two sliding seats 14, and the side ends of the bidirectional screw 13 are fixedly connected with a rotating shaft 19, and the rotating shaft 19 is rotatably connected with the clamping seat 9. The side end of the rotating shaft 19 is fixedly connected with a second turning handle 20, which is convenient for rotating the rotating shaft 19 and the bidirectional screw 13. The second turning handle 20 is threadedly connected with a second screw 21 that cooperates with the clamping seat 9. The second screw 21 is tightened so that the side end of the second screw 21 is pressed against the side end of the clamping seat 9, which is convenient for fixing the second turning handle 20.

[0032] In this embodiment, the bidirectional screw 13 is rotated, and the rotation of the bidirectional screw 13 causes the two sliding seats 14 to move in opposite directions inside the slide groove 12, and the two sliding seats 14 respectively drive the two arc-shaped limit plates 11 to move, so that the side ends of the two arc-shaped limit plates 11 contact the two side ends of the outer ring of the bearing 10, thereby facilitating the limiting of bearings 10 of different widths, facilitating the limiting of bearings 10 of different models, facilitating the fixing of transmission shafts 3 of different models, and improving the practicality of its use.

[0033] In summary, when the overall equipment is in use:

[0034] Install the mounting seat 5 below the transmission shaft 3, and install the two bearings 10 on the outside of the transmission shaft 3, and make the positions of the two bearings 10 correspond to the positions of the two fixing mechanisms respectively, and then rotate the first screw 8 clockwise, the first screw 8 moves relative to the arc plate 7 in the direction close to the bearing 10, and the bearing 10 is clamped and fixed by multiple clamping seats 9, and the bidirectional screw 13 is rotated. The rotation of the bidirectional screw 13 causes the two sliding seats 14 to move in opposite directions inside the slide groove 12, and the two sliding seats 14 respectively drive the two arc-shaped limit plates 11 to move, so that the side ends of the two arc-shaped limit plates 11 contact the two side ends of the outer ring of the bearing 10, thereby limiting and fixing the bearing 10, and supporting and fixing the transmission shaft 3 by the two bearings 10, thereby preventing the gear 4 connected to the transmission shaft 3 from shaking.

[0035] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A gear rack for preventing gears from shaking, comprising a fixed seat (1), a motor (2) being mounted on the fixed seat (1), a transmission shaft (3) being fixedly connected to the output end of the motor (2), and a gear (4) being mounted on the transmission shaft (3), wherein: The top end of the fixing seat (1) is located below the transmission shaft (3) and is provided with a fixing seat (5). The top end of the fixing seat (5) is fixedly connected to two sets of fixing mechanisms. The fixing mechanisms include two L-shaped seats (6). The two L-shaped seats (6) are fixedly connected to an arc plate (7). Two first screw rods (8) are threadedly connected to the arc plate (7). One end of the two first screw rods (8) close to the transmission shaft (3) is rotatably connected to a clamping seat (9). A limiting mechanism is provided on the clamping seat (9). A bearing (10) is installed at a position on the outside of the transmission shaft (3) corresponding to the fixing mechanism.

2. The gear rack for preventing gear shaking according to claim 1 is characterized in that: The limiting mechanism comprises two arc-shaped limiting plates (11), one end of the clamping seat (9) close to the bearing (10) is provided with a slide groove (12), the interior of the slide groove (12) is rotatably connected with a bidirectional screw rod (13), the exterior of the bidirectional screw rod (13) is symmetrically threadedly connected with two sliding seats (14), the two sliding seats (14) are respectively slidably matched with the slide groove (12), and the two arc-shaped limiting plates (11) are respectively fixedly connected with the two sliding seats (14).

3. The gear rack for preventing gear shaking according to claim 1 is characterized in that: Two positioning rods (15) are fixedly connected to the side ends of the clamping seat (9), and the two positioning rods (15) are both slidably matched with the arc plate (7).

4. The gear rack for preventing gear shaking according to claim 1 is characterized in that: The side end of the first screw rod (8) is fixedly connected to a first turning handle (16).

5. The gear rack for preventing gear shaking according to claim 4 is characterized in that: A plurality of threaded holes (17) are arranged in a circular array on the first turning handle (16), and the internal threads of the threaded holes (17) are connected to first screws (18) that are compatible with the arc-shaped plate (7).

6. The gear rack for preventing gear shaking according to claim 2 is characterized in that: The side end of the bidirectional screw (13) is fixedly connected to a rotating shaft (19), the rotating shaft (19) is rotatably connected to the clamping seat (9), and the side end of the rotating shaft (19) is fixedly connected to a second turning handle (20).

7. The gear rack for preventing gear shaking according to claim 6 is characterized in that: The second turning handle (20) is threadedly connected with a second screw (21) that matches the clamping seat (9).

8. The gear rack for preventing gear shaking according to claim 1 is characterized in that: The mounting seat (5) is connected to the fixing seat (1) via a third screw (22).

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