Net wire straightening and tightening device for tennis racket production

Abstract

The utility model relates to the technical field of tennis racket production, and discloses a net wire straightening and tightening device for tennis racket production, which comprises a table top, one side of the upper end face of the table top is rotatably connected with a fixing frame through a rotating shaft, and two sides of the upper end face of the fixing frame are fixedly provided with first fixing plates. One side of the first fixing plate on one side is fixedly connected with a fixing block through a first supporting block, an internal threaded rod is embedded in the first fixing plate on the other side, an external threaded rod is in threaded connection with the interior of the internal threaded rod, and one side of the external threaded rod is fixedly connected with the other fixing block through a second supporting block. The net wire straightening and tightening device for tennis racket production has the advantages that a net wire can be conveniently and stably clamped, the net wire is prevented from falling off, the tennis racket can be stably fixed, the net wire straightening and tightening work can be conveniently carried out, the height can be adjusted, and the net wire straightening and tightening device is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of tennis racket production, in particular to a device for straightening and tightening a tennis racket wire used in production. Background Art

[0002] A tennis racket consists of a racket head, a racket throat, and a racket handle. When used, it also needs to be used with accessories such as tennis strings and shock-absorbing knots. Different tennis rackets are suitable for different people.

[0003] Most existing cable straightening and tensioning devices for tennis racket production are inconvenient to clamp during use, and the cable can easily fall off, resulting in cable tensioning failure. Most cable straightening and tensioning devices for tennis racket production do not securely secure the racket during use, and most cannot be adjusted for height, making them cumbersome to use. Therefore, those skilled in the art have provided a cable straightening and tensioning device for tennis racket production to address the problems identified in the aforementioned background art. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the existing technology and to propose a device for straightening and tightening the net wire for tennis racket production. The device is convenient for clamping the net wire and the clamping is more stable, which prevents the net wire from falling off. The tennis racket can be stably fixed, and the work of straightening the wire is convenient. The height can be adjusted, and it is more convenient to use.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A device for straightening and tightening a tennis racket wire for production, comprising a table top, one side of an upper end surface of the table top being rotatably connected to a fixing frame via a rotating shaft, first fixing plates being fixedly provided on both sides of the upper end surface of the fixing frame, one side of the first fixing plate on one side being fixedly connected to a fixing block via a first supporting block, an internally threaded rod being embedded in the interior of the first fixing plate on the other side, an externally threaded rod being threadedly connected to the interior of the internally threaded rod, one side of the externally threaded rod being fixedly connected to another fixing block via a second supporting block, second fixing plates being fixedly provided at both ends of the upper end surface of the fixing frame, and two clamping blocks being fixedly connected to the upper end surfaces of the two second fixing plates;

[0007] A workbench is fixedly provided on the side of the upper end surface of the table away from the rotating shaft, a slider is slidably provided inside the workbench, the upper end surface of the slider is fixedly connected to a clamp and passes through the workbench, two sides of the inner side wall of the clamp are fixedly connected to clamps through two strong springs, a telescopic block is fixedly provided inside the four strong springs, an opening and closing block is rotatably provided between the two clamps, the upper end surface of the opening and closing block is fixedly connected to a transmission rod, and the upper end surface of the transmission rod is fixedly connected to a rotating block;

[0008] According to the above technical solution, by providing a fixing block and a plurality of clamping blocks, when the device is in operation, the tennis racket is first fixed in the clamping slots inside the plurality of clamping blocks, with the two fixing blocks located inside the tennis racket. Then, the internal threaded rod is rotated, and the rotation of the internal threaded rod drives the external threaded rod to move horizontally inside the internal threaded rod. The external threaded rod drives the corresponding fixing block to move horizontally via the second supporting block, thereby stably fixing the tennis racket to the upper end of the fixing frame. Thus, the device can stably fix the tennis racket, facilitating the string straightening work.

[0009] By providing a clamp, when the device is working, the net cable is manually inserted into the tennis racket, and then the excess net cable is inserted into the clamp. When inserting, the rotating block is first rotated 90 degrees, and the rotating block drives the opening and closing block to rotate 90 degrees through the transmission rod. The opening and closing block squeezes the clamps on both sides to move the clamps to both sides, and then the net cable is placed between the two clamps. Then, the rotating block is rotated in the opposite direction to reset the opening and closing block. Then, multiple strong springs drive the clamps to move toward each other to clamp the net cable, so that the device can easily clamp the net cable and the clamping is more stable, preventing the net cable from falling off.

[0010] Furthermore, telescopic rods are fixedly connected to both sides of the lower end surface of the table top, and hydraulic rods are sleeved on the outer sides of the two telescopic rods, and the lower end surfaces of the two hydraulic rods are fixedly connected to hydraulic pumps;

[0011] Through the above technical solution, by providing a hydraulic pump, when the device needs to adjust the height, the hydraulic pump drives the telescopic rod to slide up and down inside the hydraulic rod, and the telescopic rod drives the table top and the structure above it to move up and down to complete the height adjustment, so that the device can adjust the height and is more convenient to use.

[0012] Furthermore, a work box is fixedly connected to one side of the workbench, a telescopic pump is fixedly arranged inside the work box, an output end of the telescopic pump is fixedly connected to a tension rod, an end of the tension rod away from the telescopic pump is fixedly connected to a slider and passes through the workbench;

[0013] Through the above technical solution, a working box is provided. After the device fixes the network cable inside the clamp, the telescopic pump inside the working box drives the tensioning rod to extend and retract, and the tensioning rod drives the entire clamping structure to move horizontally through the slider, thereby straightening and tightening the network cable.

[0014] Furthermore, a protective pad is fixedly connected to one side of the two fixing blocks;

[0015] Through the above technical solution, by providing the protection pad, the protection pad can protect the tennis racket from deformation when it is fixed.

[0016] Furthermore, one side of the internal threaded rod is fixedly connected to a turntable and penetrates a first fixing plate;

[0017] Through the above technical solution, by providing a turntable, the internal threaded rod inside the device can be easily rotated.

[0018] Furthermore, a bottom plate is fixedly connected between the lower end surfaces of the two hydraulic pumps;

[0019] Through the above technical solution, by providing a bottom plate, the bottom plate can ensure that the device is placed stably on the ground.

[0020] Furthermore, the working box is located between the working table and the rotating shaft;

[0021] According to the above technical solution, the working box is located between the working table and the rotating shaft, so that the device is smaller and more portable.

[0022] Furthermore, the material of the protection pad is made of rubber;

[0023] According to the above technical solution, the protective pad is made of rubber material. The rubber protective pad protects the tennis racket from deformation while increasing the friction between the fixing block and the tennis racket to prevent the tennis racket from falling off.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a device for straightening and tightening a tennis racket wire for production. The device is provided with a fixing block and a plurality of clamping blocks. When the device is in operation, the tennis racket is first fixed inside the clamping slots inside the plurality of clamping blocks. The two fixing blocks are located inside the tennis racket. Then, the internal threaded rod is rotated. The rotation of the internal threaded rod drives the external threaded rod to move horizontally inside the internal threaded rod. The external threaded rod drives the corresponding fixing block to move horizontally through the second support block to stably fix the tennis racket on the upper end of the fixing frame, so that the device can stably fix the tennis racket and facilitate the work of straightening the wire.

[0026] 2. The utility model proposes a device for straightening and tightening a tennis racket cable. The device is provided with a clamp. When the device is working, the cable is manually inserted into the tennis racket, and then the excess cable is inserted into the clamp. When inserting, the rotating block is first rotated 90 degrees. The rotating block drives the opening and closing block to rotate 90 degrees through the transmission rod. The opening and closing block squeezes the clamps on both sides to move the clamps to both sides. Then the cable is placed between the two clamps. Then the rotating block is rotated in the opposite direction to reset the opening and closing block. Then, multiple strong springs drive the clamps to move toward each other to clamp the cable, so that the device can clamp the cable conveniently and the clamping is more stable, thus preventing the cable from falling off.

[0027] 3. The utility model proposes a device for straightening and tightening a tennis racket wire for production. By providing a hydraulic pump, when the height of the device needs to be adjusted, the hydraulic pump drives the telescopic rod to slide up and down inside the hydraulic rod, and the telescopic rod drives the table top and the structure above it to move up and down to complete the height adjustment, so that the height of the device can be adjusted, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is an axonometric diagram of a device for straightening and tightening a tennis racket line used in the production of a tennis racket proposed in the utility model;

[0029] Figure 2 This is a schematic diagram of the clamping structure of a device for straightening and tightening a tennis racket line for production proposed by the present invention;

[0030] Figure 3 This is a schematic diagram of the adjustment structure of a device for straightening and tightening the net line for tennis racket production proposed by the present invention;

[0031] Figure 4 This is a schematic diagram of the dynamic structure of a device for straightening and tightening a tennis racket line for production proposed by the present invention;

[0032] Figure 5 for Figure 1 Enlarged view of point A in the middle.

[0033] Legend:

[0034] 1. Table; 2. Rotating axis; 3. Fixed frame; 4. First fixed plate; 5. First support block; 6. Fixed block; 7. Internally threaded rod; 8. Externally threaded rod; 9. Second support block; 10. Turntable; 11. Telescopic rod; 12. Hydraulic rod; 13. Hydraulic pump; 14. Bottom plate; 15. Working box; 16. Working table; 17. Slider; 18. Clamp; 19. Strong spring; 20. Telescopic block; 21. Clamp; 22. Opening and closing block; 23. Transmission rod; 24. Rotating block; 25. Second fixed plate; 26. Clamping block; 27. Telescopic pump; 28. Tensioning rod; 29. ​​Protective pad. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Reference Figure 1-5The utility model provides an embodiment of a device for straightening and tightening a tennis racket wire, comprising a table top 1, one side of the upper end surface of the table top 1 is rotatably connected to a fixing frame 3 via a rotating shaft 2, a first fixing plate 4 is fixedly provided on both sides of the upper end surface of the fixing frame 3, one side of the first fixing plate 4 on one side is fixedly connected to a fixing block 6 via a first supporting block 5, an internally threaded rod 7 is embedded in the interior of the first fixing plate 4 on the other side, an externally threaded rod 8 is threadedly connected to the internal of the internally threaded rod 7, one side of the externally threaded rod 8 is fixedly connected to another fixing block 6 via a second supporting block 9, and both ends of the upper end surface of the fixing frame 3 are fixed A second fixing plate 25 is provided, and two clamping blocks 26 are fixedly connected to the upper end surfaces of the two second fixing plates 25. By providing the fixing block 6 and the multiple clamping blocks 26, when the device is in operation, the tennis racket is first fixed inside the clamping grooves inside the multiple clamping blocks 26, and the two fixing blocks 6 are located inside the tennis racket. Then, the internal threaded rod 7 is rotated, and the rotation of the internal threaded rod 7 drives the external threaded rod 8 to move horizontally inside the internal threaded rod 7. The external threaded rod 8 drives the corresponding fixing block 6 to move horizontally through the second support block 9 to stably fix the tennis racket to the upper end of the fixing frame 3. In this way, the device can stably fix the tennis racket, facilitating the string straightening work;

[0037] A workbench 16 is fixedly provided on the side of the upper end surface of the table 1 away from the rotating shaft 2, and a slider 17 is slidably provided inside the workbench 16. The upper end surface of the slider 17 is fixedly connected to a clamp 18 and passes through the workbench 16. The inner side walls of the clamp 18 are fixedly connected to a splint 21 on both sides through two strong springs 19. A telescopic block 20 is fixedly provided inside the four strong springs 19. An opening and closing block 22 is rotatably provided between the two splints 21. The upper end surface of the opening and closing block 22 is fixedly connected to a transmission rod 23 and passes through the clamp 18. The upper end surface of the transmission rod 23 is fixedly connected to the rotating block 2 4. By providing a clamp 18, when the device is working, the net cable is manually inserted into the inside of the tennis racket, and then the excess net cable is inserted into the inside of the clamp 18. When inserting, first rotate the rotating block 24 90°. The rotating block 24 drives the opening and closing block 22 to rotate 90° through the transmission rod 23. The opening and closing block 22 squeezes the clamps 21 on both sides to move the clamps 21 to both sides. Then, the net cable is placed between the two clamps 21. Then, the rotating block 24 is rotated in the opposite direction to reset the opening and closing block 22. Then, multiple strong springs 19 drive the clamps 21 to move toward each other to clamp the net cable, making it convenient for the device to clamp the net cable and the clamping is more stable, preventing the net cable from falling off.

[0038] The lower end surface of the table 1 is fixedly connected to telescopic rods 11 on both sides, and the outer side walls of the two telescopic rods 11 are provided with hydraulic rods 12. The lower end surfaces of the two hydraulic rods 12 are fixedly connected to hydraulic pumps 13. One side of the workbench 16 is fixedly connected to a work box 15, and a telescopic pump 27 is fixedly provided inside the work box 15. The output end of the telescopic pump 27 is fixedly connected to a tensioning rod 28. The end of the tensioning rod 28 away from the telescopic pump 27 is fixedly connected to a slider 17 and passes through the workbench 16. The two fixed blocks

[0039] 6 is fixedly connected to a protective pad 29 on one side, and a turntable 10 is fixedly connected to one side of the internal threaded rod 7 and penetrates a first fixed plate 4. A bottom plate 14 is fixedly connected between the lower end surfaces of the two hydraulic pumps 13. The working box 15 is located between the workbench 16 and the rotating shaft 2. The material of the protective pad 29 is made of rubber. By providing a hydraulic pump 13, when the device needs to adjust the height, the hydraulic pump 13 drives the telescopic rod 11 to slide up and down inside the hydraulic rod 12, and the telescopic rod 11 drives the table 1 and the above structure to move up and down to complete the height adjustment, so that the device can adjust the height and is more convenient to use. By providing a working box 15, the device fixes the network cable inside the clamp 18, and the telescopic pump 2 inside the working box 15 is 7 drives the tensioning rod 28 to extend and retract, and the tensioning rod 28 drives the entire clamping structure to move horizontally through the slider 17, thereby straightening and tightening the net line. By providing a protective pad 29, the protective pad 29 can protect the tennis racket from deformation when fixed. By providing a turntable 10, the internal threaded rod 7 inside the device is easy to rotate. By providing a base plate 14, the base plate 14 can ensure that the device is placed stably on the ground. The working box 15 is located between the workbench 16 and the rotating shaft 2, making the device smaller and more lightweight. The material of the protective pad 29 is made of rubber material. The rubber protective pad 29 protects the tennis racket from deformation while increasing the friction between the fixed block 6 and the tennis racket to prevent the tennis racket from falling off.

[0040] Working principle: When the device is used, the tennis racket is fixed in the slot inside the multiple clamping blocks 26, and the two fixing blocks 6 are located inside the tennis racket. Then the internal threaded rod 7 is rotated, and the rotation of the internal threaded rod 7 drives the external threaded rod 8 to move horizontally inside the internal threaded rod 7. The external threaded rod 8 drives the corresponding fixing block 6 to move horizontally through the second support block 9 to stably fix the tennis racket on the upper end of the fixing frame 3. Then the net cable is manually inserted into the tennis racket, and the excess net cable is inserted into the clamp 18. When inserting, first rotate the rotating block 24 90°. The rotating block 24 drives the opening and closing block 22 to rotate 90° through the transmission rod 23. The opening and closing block 22 squeezes the plywood 21 on both sides to move the plywood 21 to both sides, and then put the net cable between the two plywood 21. Then rotate the rotating block 24 in the opposite direction to reset the opening and closing block 22. Then multiple strong springs 19 drive the plywood 21

[0041] The mesh cables are clamped by moving toward each other, and the telescopic pump 27 inside the working box 15 drives the tensioning rod 28 to extend and retract. The tensioning rod 28 drives the entire clamping structure to move horizontally through the slider 17, thereby straightening and tightening the mesh cables. The device needs to adjust the working height so that the hydraulic pump 13 drives the telescopic rod 11 to slide up and down inside the hydraulic rod 12, and the telescopic rod 11 drives the table 1 and the structure above it to move up and down to complete the height adjustment.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for straightening and tightening a tennis racket wire for production, comprising a table (1), characterized in that: One side of the upper end surface of the table top (1) is rotatably connected to a fixing frame (3) via a rotating shaft (2), and first fixing plates (4) are fixedly provided on both sides of the upper end surface of the fixing frame (3), one side of the first fixing plate (4) on one side is fixedly connected to a fixing block (6) via a first supporting block (5), and an internally threaded rod (7) is embedded in the first fixing plate (4) on the other side, and an externally threaded rod (8) is internally threadedly connected to the internal thread of the internally threaded rod (7), and one side of the externally threaded rod (8) is fixedly connected to another fixing block (6) via a second supporting block (9), and second fixing plates (25) are fixedly provided at both ends of the upper end surface of the fixing frame (3), and the upper end surfaces of the two second fixing plates (25) are fixedly connected to two clamping blocks (26); A workbench (16) is fixedly provided on the side of the upper end face of the table top (1) away from the rotating shaft (2), a slider (17) is slidably provided inside the workbench (16), the upper end face of the slider (17) is fixedly connected to a clamp (18) and passes through the workbench (16), the inner side wall of the clamp (18) is fixedly connected to a clamp (21) on both sides through two strong springs (19), a telescopic block (20) is fixedly provided inside the four strong springs (19), an opening and closing block (22) is rotatably provided between the two clamps (21), the upper end face of the opening and closing block (22) is fixedly connected to a transmission rod (23) and passes through the clamp (18), and the upper end face of the transmission rod (23) is fixedly connected to a rotating block (24).

2. A tennis racket cable straightening and tightening device according to claim 1, characterized in that: Telescopic rods (11) are fixedly connected to both sides of the lower end surface of the table top (1), hydraulic rods (12) are sleeved on the outer side walls of the two telescopic rods (11), and hydraulic pumps (13) are fixedly connected to the lower end surfaces of the two hydraulic rods (12).

3. The device for straightening and tightening a tennis racket cable according to claim 1, characterized in that: One side of the workbench (16) is fixedly connected to a work box (15), a telescopic pump (27) is fixedly provided inside the work box (15), an output end of the telescopic pump (27) is fixedly connected to a tensioning rod (28), and an end of the tensioning rod (28) away from the telescopic pump (27) is fixedly connected to a slider (17) and passes through the workbench (16).

4. The device for straightening and tightening a tennis racket cable according to claim 1, characterized in that: A protection pad (29) is fixedly connected to one side of the two fixing blocks (6).

5. The device for straightening and tightening a tennis racket wire according to claim 1, characterized in that: One side of the internal threaded rod (7) is fixedly connected to a turntable (10) and penetrates a first fixed plate (4).

6. The device for straightening and tightening a tennis racket wire according to claim 2, characterized in that: A bottom plate (14) is fixedly connected between the lower end surfaces of the two hydraulic pumps (13).

7. The device for straightening and tightening a tennis racket wire according to claim 3, characterized in that: The working box (15) is located between the working table (16) and the rotating shaft (2).

8. The device for straightening and tightening a tennis racket cable according to claim 4, characterized in that: The material of the protection pad (29) is made of rubber.

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