Structure for tightening belt through locking screw

The structure of tightening the belt by locking the screw solves the problem of loosening of the traditional robotic arm belt transmission mechanism, realizes automatic adjustment and stable connection of the belt, and improves the transmission efficiency and installation stability of the robotic arm.

CN223359817UActive Publication Date: 2025-09-19GUANGZHOU GENAN IND ROBOT CO LTD
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Patent Information

Application Number
CN202423141621.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-09-19
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The belt transmission mechanism of a traditional robotic arm will become loose after a long period of use, affecting the rotation between the pulleys. In addition, the driving pulley and the driven pulley are fixed, making it difficult to adjust the tightness of the belt.

Method used

The structure of tightening the belt with a locking screw is adopted. Through the adjustment component and the moving plate driven by the motor, the locking screw and the fixing screw are used to realize automatic adjustment and fixation of the belt to ensure the tight connection of the belt.

Benefits of technology

The automatic adjustment of the belt is realized, the transmission efficiency and stability of the robot arm are improved, the adjustment time is saved, and the stability of the installation structure is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of belt connecting structures, and discloses a structure for tensioning a belt through a locking screw, which comprises a base, and a plurality of adjusting components are arranged on the base; the adjusting assembly comprises two mounting plates, a moving plate, a plurality of sliding grooves, a plurality of fixing screws and a locking screw, the two mounting plates are mounted on the two sides of the top end of the base, and the fixing screws are in threaded connection to the corresponding mounting plates. According to the utility model, through the arrangement of the adjusting assembly, the driving motor mechanism is installed on the movable plate, so that the movable plate can drive the driving motor mechanism on the movable plate to move for position adjustment, and through the arrangement of the locking screw, one end of the locking screw is screwed to abut against the outer wall of the corresponding fixing screw; when the locking screw is screwed towards the inner wall of the sliding groove, the moving plate is driven to move at the top end of the mounting plate, the transmission belt is conveniently tensioned, the transmission belt is more convenient to adjust, the adjusting time is saved, the moving plate is supported and fixed together through the fixing screw and the locking screw, and the mounting structure is stable.
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Description

Technical Field

[0001] The utility model relates to the technical field of belt connection structures, in particular to a structure for tightening a belt with a locking screw. Background Art

[0002] A robotic arm is a device widely used in industrial automation. It can imitate many movements of the human arm, including extension, rotation, and grasping objects. A robotic arm is usually composed of multiple joints and connectors. Each joint is driven by an electric motor. A belt drive structure can be set inside the robotic arm for the rotational movement of the robotic arm joint. In the robotic arm, the belt connection mechanism usually consists of a driving pulley, a driven pulley, and an endless belt tensioned on two pulleys. The power is transmitted through the friction between the belt and the pulley.

[0003] In the belt connection structure of a traditional robotic arm, the belt is installed on the driving wheel and the driven wheel, and the driving wheel and the driven wheel are transmitted through the belt. However, after the belt transmission mechanism is used for a long time, the belt will become loose, affecting the rotation between the pulleys. In addition, the driving wheel and the driven wheel are fixed, which makes it inconvenient to adjust the tightness of the belt between the driving wheel and the driven wheel. Utility Model Content

[0004] The main purpose of the utility model is to provide a structure for tightening the belt with a locking screw, aiming to solve the technical problems that the belt of the traditional belt transmission mechanism becomes loose after being used for a long time, affecting the rotation between the pulleys, and the driving pulley and the driven pulley are fixed together, making it inconvenient to adjust the tightness of the belt between the driving pulley and the driven pulley.

[0005] In order to achieve the above-mentioned purpose of the utility model, the first aspect of the utility model provides a structure for tightening a belt with a locking screw, comprising a base, on which a plurality of adjustment components are provided;

[0006] The adjustment assembly includes two mounting plates, a movable plate, a plurality of slide grooves, a plurality of fixing screws and a locking screw. The two mounting plates are mounted on both sides of the top of the base. The plurality of fixing screws are threadedly connected to the corresponding mounting plates. The plurality of slide grooves are opened on the movable plate. The movable plate is slidably mounted on the top of the mounting plate. The locking screws are threadedly connected to the side wall of the movable plate.

[0007] Furthermore, grooves are provided on both sides of the top of the base, and the two mounting plates are fixed to the corresponding groove walls by screws;

[0008] Furthermore, the chute runs through the movable plate, and the chute is distributed at the four corners of the end surface of the movable plate;

[0009] Furthermore, a plurality of first threaded holes are formed on the top of the mounting plate, and the positions of the first threaded holes correspond to the sliding grooves on the movable plate, and the fixing screws pass through the corresponding sliding grooves and are threadedly connected to the inner walls of the corresponding first threaded holes;

[0010] Furthermore, two second threaded holes are provided on one side of the movable plate, and one end of the second threaded hole is connected to the interior of the corresponding sliding groove;

[0011] Furthermore, the locking screw is threadedly connected to the inner wall of the corresponding second threaded hole, and one end of the locking screw extends into the interior of the sliding groove;

[0012] Furthermore, one end of the locking screw extending into the interior of the slide slot is located on a side corresponding to the fixing screw;

[0013] Furthermore, the top of the movable plate in the plurality of adjustment assemblies is respectively fixed with a first motor, a second motor and a third motor by screws, and the output ends of the first motor, the second motor and the third motor respectively extend to the bottom end of the corresponding movable plate;

[0014] Furthermore, the output ends of the first motor, the second motor and the third motor are fixedly mounted with a first turntable, a second turntable and a third turntable in sequence, and the outer walls of the first turntable, the second turntable and the third turntable are mounted with a first belt, a second belt and a third belt in sequence;

[0015] Furthermore, the top of the base is rotatably installed with a first transmission disk, a second transmission disk and a third transmission disk, the first transmission disk is connected to the first turntable through the first belt, the second transmission disk is connected to the second turntable through the second belt, and the third transmission disk is connected to the third turntable through the third belt.

[0016] Beneficial effects:

[0017] The utility model discloses a structure of a locking screw tightening belt, by providing an adjusting component, a driving motor mechanism is installed on a movable movable plate, so that the movable plate can drive the driving motor mechanism thereon to move and adjust its position, by providing a locking screw, turning one end of the locking screw against the outer wall of the corresponding fixing screw, and when the locking screw is turned toward the inner wall of the slide groove, the movable plate is driven to move to the position of the top end of the mounting plate, which makes it convenient to tighten the transmission belt, makes the adjustment of the transmission belt more convenient, saves adjustment time, and the movable plate is supported and fixed together by the fixing screw and the locking screw, and the mounting structure is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2This is a diagram showing the installation positions of the fixing screws and locking screws of the present invention;

[0020] Figure 3 This is a diagram showing the position of the first threaded hole and the slide groove of the present invention;

[0021] Figure 4 This is a diagram showing the installation positions of the first belt, the second belt, and the third belt of the present invention;

[0022] in:

[0023] 1. Base; 2. Groove; 3. Mounting plate; 4. First threaded hole; 401. Fixing screw; 5. Moving plate; 6. Slide groove; 7. Locking screw; 8. First motor; 9. Second motor; 10. Third motor; 011. First turntable; 11. First transmission disk; 012. Second turntable; 12. Second transmission disk; 013. Third turntable; 13. Third transmission disk; 14. First belt; 15. Second belt; 16. Third belt.

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections, direct connections, or indirect connections through an intermediate medium; they may refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0029] Reference Figure 1-Figure 4 In one embodiment of the present invention, a structure for tightening a belt with a locking screw includes a base 1, on which a plurality of adjustment components are provided; the adjustment components include two mounting plates 3, a movable plate 5, a plurality of slide grooves 6, a plurality of fixing screws 401 and a locking screw 7, the two mounting plates 3 are mounted on both sides of the top of the base 1, the plurality of fixing screws 401 are threadedly connected to the corresponding mounting plates 3, the plurality of slide grooves 6 are opened on the movable plate 5, the movable plate 5 is slidably mounted on the top of the mounting plate 3, and the locking screw 7 is threadedly connected to the side wall of the movable plate 5;

[0030] Among them, by providing an adjustment component, the driving motor mechanism is installed on the movable moving plate 5, so that the moving plate 5 can drive the driving motor mechanism thereon to move for position adjustment. By providing a locking screw 7, one end of the locking screw 7 is turned against the outer wall of the corresponding fixing screw 401, and when the locking screw 7 is turned toward the inner wall of the slide groove 6, the moving plate 5 is driven to move to the top position of the mounting plate 3, which makes it convenient to tighten the transmission belt, makes it more convenient to adjust the transmission belt, and saves adjustment time;

[0031] This embodiment adopts a method of installing a driving motor mechanism on the movable plate 5. The driving motor mechanism can be a first motor 8, a second motor 9 and a third motor 10. By moving the positions of the first motor 8, the second motor 9 and the third motor 10, the positions of the first turntable 011, the second turntable 012 and the second turntable 012 are moved, so that the first turntable 011, the second turntable 012 and the second turntable 012 respectively tighten the first belt 14, the second belt 15 and the third belt 16 installed thereon.

[0032] In this example, the transmission belts may be a first belt 14 , a second belt 15 and a third belt 16 .

[0033] In one embodiment, grooves 2 are provided on both sides of the top of the base 1, and two mounting plates 3 are fixedly installed on the corresponding groove walls of the groove 2 by screws. The slide groove 6 passes through the movable plate 5, and the slide grooves 6 are distributed at the four corners of the end face of the movable plate 5. A plurality of first threaded holes 4 are provided on the top of the mounting plate 3, and the first threaded holes 4 are located corresponding to the slide grooves 6 on the movable plate 5. The fixing screws 401 pass through the corresponding slide grooves 6 and are threadedly connected to the inner walls of the corresponding first threaded holes 4. Two second threaded holes are provided on one side of the movable plate 5, and one end of the second threaded hole is connected to the interior of the corresponding slide groove 6. The locking screw 7 is threadedly connected to the inner wall of the corresponding second threaded hole, and one end of the locking screw 7 extends into the interior of the slide groove 6. The end of the locking screw 7 extending into the interior of the slide groove 6 is located on the side of the corresponding fixing screw 401;

[0034] This embodiment is provided with a fixing screw 401, which is installed in the first threaded hole 4 on the mounting plate 3. The movable plate 5 can be fixed to the mounting plate 3 by tightening the fixing screw 401. The fixing screw 401 is inserted into the corresponding slide groove 6 on the movable plate 5. When the movable plate 5 moves, the fixing screw 401 can limit the movable plate 5. The movable plate 5 is supported and fixed together by the fixing screw 401 and the locking screw 7, and can be more stably installed on the mounting plate 3.

[0035] In one embodiment, the top of the movable plate 5 in the several adjustment components is respectively fixed with a first motor 8, a second motor 9 and a third motor 10 by screws, and the output ends of the first motor 8, the second motor 9 and the third motor 10 extend to the bottom of the corresponding movable plate 5, respectively. The output ends of the first motor 8, the second motor 9 and the third motor 10 are fixedly installed with a first turntable 011, a second turntable 012 and a third turntable 013 in sequence, and the outer walls of the first turntable 011, the second turntable 012 and the third turntable 013 are respectively installed with a first belt 14, a second belt 15 and a third belt 16, and the top of the base 1 is respectively rotatably installed with a first transmission disk 11, a second transmission disk 12 and a third transmission disk 13, the first transmission disk 11 is connected to the first turntable 011 through the first belt 14, the second transmission disk 12 is connected to the second turntable 012 through the second belt 15, and the third transmission disk 13 is connected to the third turntable 013 through the third belt 16;

[0036] In this embodiment, a first motor 8, a second motor 9 and a third motor 10 are provided to drive the rotation of the first turntable 011, the second turntable 012 and the third turntable 013 respectively, and a first belt 14, a second belt 15 and a third belt 16 are used to transmit power between the first turntable 011 and the first transmission disk 11, the second turntable 012 and the second transmission disk 12, and the third turntable 013 and the third transmission disk 13 respectively.

[0037] In this example, when tightening the transmission belt, the fixing screw 401 is in an unlocked state. The locking screw 7 is turned to move the locking screw 7 toward the inner wall of the slide groove 6. The locking screw 7 supports the movable plate 5 to move, so that the movable plate 5 drives the driving motor mechanism to move, and drives the first turntable 011, the second turntable 012 and the third turntable 013 to move respectively to tighten the transmission belts installed thereon, making it more convenient to adjust the transmission belt, and the structure is stable, saving adjustment time.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A structure for tightening a belt with a locking screw, characterized in that: It comprises a base (1), on which a plurality of adjustment components are arranged; The adjustment assembly comprises two mounting plates (3), a movable plate (5), a plurality of slide grooves (6), a plurality of fixing screws (401) and a locking screw (7); the two mounting plates (3) are mounted on both sides of the top of the base (1); a plurality of fixing screws (401) are threadedly connected to the corresponding mounting plates (3); a plurality of slide grooves (6) are opened on the movable plate (5); the movable plate (5) is slidably mounted on the top of the mounting plate (3); and the locking screw (7) is threadedly connected to the side wall of the movable plate (5).

2. A structure for tightening a belt with a locking screw according to claim 1, characterized in that: Grooves (2) are provided on both sides of the top of the base (1), and the two mounting plates (3) are fixedly mounted on the corresponding groove walls of the grooves (2) by screws.

3. The structure for tightening a belt with a locking screw according to claim 2, characterized in that: The sliding groove (6) passes through the movable plate (5), and the sliding groove (6) is distributed at the four corners of the end surface of the movable plate (5).

4. A structure for tightening a belt with a locking screw according to claim 3, characterized in that: A plurality of first threaded holes (4) are provided at the top of the mounting plate (3), and the first threaded holes (4) are located corresponding to the slide grooves (6) on the movable plate (5), and the fixing screws (401) pass through the corresponding slide grooves (6) and are threadedly connected to the inner walls of the corresponding first threaded holes (4).

5. The structure for tightening a belt with a locking screw according to claim 3, characterized in that: Two second threaded holes are provided on one side of the movable plate (5), and one end of the second threaded hole is connected to the inside of the corresponding sliding groove (6).

6. The structure for tightening a belt with a locking screw according to claim 5, characterized in that: The locking screw (7) is threadedly connected to the inner wall of the corresponding second threaded hole, and one end of the locking screw (7) extends into the interior of the sliding groove (6).

7. The structure for tightening a belt with a locking screw according to claim 5, characterized in that: One end of the locking screw (7) extending into the interior of the sliding groove (6) is located on a side corresponding to the fixing screw (401).

8. The structure for tightening a belt with a locking screw according to claim 7, characterized in that: The top ends of the movable plates (5) in the plurality of adjustment assemblies are respectively fixed with a first motor (8), a second motor (9) and a third motor (10) by screws, and the output ends of the first motor (8), the second motor (9) and the third motor (10) respectively extend to the bottom ends of the corresponding movable plates (5).

9. The structure for tightening a belt with a locking screw according to claim 8, characterized in that: The output ends of the first motor (8), the second motor (9) and the third motor (10) are fixedly mounted with a first turntable (011), a second turntable (012) and a third turntable (013) in sequence, and the outer walls of the first turntable (011), the second turntable (012) and the third turntable (013) are mounted with a first belt (14), a second belt (15) and a third belt (16) in sequence.

10. The structure for tightening a belt with a locking screw according to claim 9, characterized in that: A first transmission disc (11), a second transmission disc (12) and a third transmission disc (13) are rotatably mounted on the top of the base (1), respectively; the first transmission disc (11) is connected to the first turntable (011) via the first belt (14); the second transmission disc (12) is connected to the second turntable (012) via the second belt (15); and the third transmission disc (13) is connected to the third turntable (013) via the third belt (16).