Traction lifting assembly of traction bed for orthopedics department

By designing a traction and lifting assembly for an orthopedic traction bed that includes a sliding clamp block, a one-hand adjustment mechanism and a worm gear, the problem in the existing technology that traction and lifting requires two-hand operation is solved, achieving convenient one-hand operation and precise adjustment of the traction height. .

CN119326572APending Publication Date: 2025-01-21上海市松江区泗泾医院
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Patent Information

Application Number
CN202411778380.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-01-21

AI Technical Summary

Technical Problem

The traction lifting adjustment of the existing orthopedic traction bed requires two-handed operation, which is time-consuming and labor-intensive, and is not convenient for one-handed operation.

Method used

An orthopedic traction bed traction lifting assembly is designed, which includes a horizontal frame fixed on the traction bed frame. The horizontal frame is provided with sliding clamp blocks and positioning bolts that move along the horizontal frame. The sliding clamp block is provided with a one-hand adjustment mechanism. , including a limit sleeve, telescopic rod, spur rack, gear and drive mechanism, through which the height of the traction rope can be adjusted with one hand.

Benefits of technology

The one -handed traction lifting is realized, the operating intensity is reduced, the operating convenience is improved, and the positioning of the lock of the worm and the worm to avoid rotation and ensure the precise adjustment of the traction height.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an orthopedic traction bed traction lifting assembly which comprises a transverse frame fixed to a traction bed frame, a sliding clamping block moving along the transverse frame is arranged on the transverse frame, and a positioning bolt used for fixing the sliding clamping block to the transverse frame after the sliding clamping block moves is arranged on the sliding clamping block. A vertically-downward positioning frame is arranged on the sliding clamping block, and a pulley used for dragging the traction rope is installed on the positioning frame through a single-hand adjusting mechanism. The single-hand adjusting mechanism comprises a limiting sleeve arranged on the positioning frame, a vertical limiting cavity is formed in the limiting sleeve, and a telescopic rod moving along the limiting cavity is arranged in the limiting cavity; the rotating driving gear drives the telescopic rod to ascend and descend along the limiting cavity in the limiting sleeve through the spur rack, so that the traction height is adjusted, adjustment is conducted by arranging the driving mechanism at the adjusting moment, and operation is convenient.
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Description

Technical Field

[0001] The invention relates to the technical field of medical devices, in particular to a traction lifting component for an orthopedic traction bed. Background Art

[0002] For patients with leg fractures or other lower limb diseases, it is difficult to move the lower limbs and they have to maintain a posture for a long time, which is not conducive to the rehabilitation of the lower limbs and can easily cause joint stiffness, muscle spasms, and even skin necrosis. Clinically, traction beds are often used to help patients with the rehabilitation of their lower limbs. After the patient lies flat, the lower limbs are suspended by pulleys. The existing method is to raise and lower the pulleys by rotating the roller-skating mounting frame, which is time-consuming and labor-intensive and requires two-handed operation. Summary of the invention

[0003] In order to solve the defects in the prior art, the present invention provides an orthopedic traction bed traction lifting assembly.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The present invention discloses an orthopedic traction bed traction lifting assembly, comprising a horizontal frame fixed on the traction bed frame, the horizontal frame is provided with a sliding clamp block moving along the horizontal frame, the sliding clamp block is provided with a positioning bolt used to fix the sliding clamp block on the horizontal frame after the sliding clamp block moves, the sliding clamp block is provided with a vertical downward positioning frame, and a pulley for pulling a traction rope is installed on the positioning frame through a single-hand adjustment mechanism;

[0006] The one-hand adjustment mechanism includes a limit sleeve arranged on the positioning frame, the limit sleeve is provided with a vertical limit cavity, and a telescopic rod moving along the limit cavity is provided in the limit cavity; a spur rack is provided on the side wall of the telescopic rod, and a gear meshing with the spur rack is provided on the limit sleeve, and a driving mechanism for driving the gear to rotate is also provided on the outer side of the limit sleeve.

[0007] As a preferred technical solution of the present invention, the telescopic rod is provided with a storage groove for storing the spur rack, and the depth of the storage groove is greater than the height of the teeth on the spur rack.

[0008] As a preferred technical solution of the present invention, the driving mechanism includes a worm wheel arranged on the central shaft end of the gear, and the positioning frame is also provided with a worm matched with the worm wheel.

[0009] As a preferred technical solution of the present invention, the positioning frame is provided with a servo motor that drives the worm to rotate forward and reversely. The positioning frame is also provided with a protective cover for covering the servo motor, the worm wheel and the worm. The protective cover is provided with a forward control button for controlling the forward rotation of the servo motor, and the protective cover is also provided with a reverse control button for controlling the reverse rotation of the servo motor.

[0010] As a preferred technical solution of the present invention, a power supply module for supplying power to the servo motor is provided in the positioning frame, and an electric quantity detection module for detecting the electric quantity of the power supply module is also provided on the positioning frame.

[0011] As a preferred technical solution of the present invention, a tension sensor is provided between the pulley and the telescopic rod, a central control module is provided on the positioning frame, a communication module is provided on the central control module, the tension sensor is connected to the central control module, and the central control module is used to upload the tension data detected by the tension sensor to a monitoring center, wherein the positioning frame is also provided with a display screen for displaying the tension value detected by the tension sensor.

[0012] As a preferred technical solution of the present invention, the positioning frame is also provided with a measuring grating for detecting the telescopic length of the telescopic rod. The measuring grating is connected to the central control module, and the central control module uploads the traction height data detected by the measuring grating to the monitoring center.

[0013] As a preferred technical solution of the present invention, the positioning frame 5 is provided with a manual turning handle for driving the worm to rotate.

[0014] As a preferred technical solution of the present invention, the cross section of the cross frame is non-circular.

[0015] The beneficial effects of the present invention are:

[0016] 1. A sliding clamp block that moves along the cross frame is provided on the cross frame in the traction lifting assembly of the orthopedic traction bed, and a positioning bolt is provided on the sliding clamp block for fixing the sliding clamp block on the cross frame after the sliding clamp block moves, so that the horizontal position of the pulley can be adjusted, and the pulley is installed on the positioning frame through a one-hand adjustment mechanism, which has the characteristics of convenient operation, wherein a driving mechanism is provided to rotate the driving gear, and the rotating driving gear drives the telescopic rod to move up and down along the limiting cavity in the limiting sleeve through a spur rack, thereby realizing the adjustment of the traction height, and the driving mechanism is provided to adjust at the time of adjustment, so that it is convenient to operate.

[0017] 2. The traction and lifting assembly of the orthopedic traction bed cooperates with a worm gear and a worm screw, wherein the worm gear and the worm screw have a locking function, and the worm gear can only be driven to rotate by the worm screw, while the worm gear cannot drive the worm screw to rotate, so that the worm gear will not rotate after adjustment, thus achieving locking and positioning, wherein the worm screw can be driven electrically or rotated manually, and the corresponding selection can be made according to the needs, and both do not require two-handed operation when adjusting, and the work intensity is effectively reduced.

[0018] 3. In the traction lifting assembly of this orthopedic traction bed, a forward control button for controlling the forward rotation of the servo motor is provided on the protective cover, and a reverse control button for controlling the reverse rotation of the servo motor is also provided on the protective cover, so that the rack can be driven to move upward and downward, which is convenient for operation.

[0019] 4. The traction lifting assembly of this orthopedic traction bed is provided with a tension sensor between the pulley and the telescopic rod. The central control module is used to upload the tension data detected by the tension sensor to the monitoring center. The positioning frame is also provided with a display screen for displaying the tension value detected by the tension sensor. This facilitates remote detection of the traction tension, and when the traction rope falls off or other traction failures occur, they can be discovered in time.

[0020] 5. The traction lifting assembly of the orthopedic traction bed is also provided with a measuring grating on the positioning frame for detecting the telescopic length of the telescopic rod. In this way, the telescopic length of the telescopic rod can be detected by the measuring grating, which facilitates lifting and lowering adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0022] In the attached picture:

[0023] Figure 1 It is a structural schematic diagram of a traction lifting assembly of an orthopedic traction bed of the present invention;

[0024] Figure 2 It is a schematic diagram of the coordination of a worm wheel and a worm screw of a traction lifting assembly of an orthopedic traction bed of the present invention;

[0025] Figure 3 It is a structural schematic diagram of a limiting cavity of a traction lifting assembly of an orthopedic traction bed of the present invention;

[0026] Figure 4 It is a structural schematic diagram of a storage slot of a traction lifting assembly of an orthopedic traction bed of the present invention;

[0027] Figure 5 It is a partial structural schematic diagram of a traction lifting assembly of an orthopedic traction bed of the present invention;

[0028] Figure 6 The present invention is a schematic structural diagram of a manual rotating handle of a traction lifting assembly of an orthopedic traction bed.

[0029] In the figure: 1. traction bed frame; 2. cross frame; 3. sliding clamp; 4. positioning bolt; 5. positioning frame; 6. one-hand adjustment mechanism; 7. limit sleeve; 8. limit cavity; 9. telescopic rod; 10. spur rack; 11. gear; 12. storage slot; 13. worm gear; 14. worm; 16. servo motor; 17. protective cover; 18. forward control button; 19. reverse control button; 20. power supply module; 21. power detection module; 22. tension sensor; 23. central control module; 24. communication module; 25. display screen; 27. manual handle; 28. pulley. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0031] Example: Figure 1-Figure 6 As shown, an orthopedic traction bed traction lifting assembly of the present invention comprises a horizontal frame 2 fixed on a traction bed frame 1, the horizontal frame 2 is provided with a sliding clamp block 3 moving along the horizontal frame 2, the sliding clamp block 3 is provided with a positioning bolt 4 for fixing the sliding clamp block 3 on the horizontal frame 2 after the sliding clamp block 3 moves, the sliding clamp block 3 is provided with a vertical downward positioning frame 5, and the positioning frame 5 is installed with a pulley 28 for pulling the traction rope via a single-hand adjustment mechanism 6;

[0032] The one-hand adjustment mechanism 6 includes a limiting sleeve 7 arranged on the positioning frame 5, the limiting sleeve 7 is provided with a vertical limiting cavity 8, and a telescopic rod 9 is provided in the limiting cavity 8 and moves along the limiting cavity 8; a spur rack 10 is provided on the side wall of the telescopic rod 9, and a gear 11 meshing with the spur rack 10 is provided on the limiting sleeve 7, and a driving mechanism for driving the gear 11 to rotate is also provided on the outer side of the limiting sleeve 7. The present invention provides a sliding clamp block 3 that moves along the cross frame 2 on the cross frame 2, and the sliding clamp block is provided with a positioning bolt 4 for fixing the sliding clamp block 3 on the cross frame 2 after the sliding clamp block 3 moves, so that the horizontal position of the pulley can be adjusted, and the pulley is installed on the positioning frame 5 through a one-hand adjustment mechanism 6, which has the characteristic of convenient operation, wherein a driving mechanism is provided to rotate the driving gear 11, and the rotating driving gear 11 drives the telescopic rod 9 to move up and down along the limiting cavity 8 in the limiting sleeve 7 through the spur rack 10, thereby realizing the adjustment of the traction height, and the adjustment is performed by providing a driving mechanism at the time of adjustment, which is convenient to operate.

[0033] The telescopic rod 9 is provided with a receiving groove 12 for receiving the spur rack 10 . The depth of the receiving groove 12 is greater than the height of the teeth on the spur rack 10 , so that the telescopic rod 9 can be easily moved.

[0034] The driving mechanism includes a worm wheel 13 arranged on the central axis end of the gear 11, and the positioning frame 5 is also provided with a worm 14 that cooperates with the worm wheel 13. The worm wheel 13 and the worm 14 are arranged to cooperate with each other, wherein the worm wheel 13 and the worm 14 have a locking function, and the worm wheel 13 can only be driven to rotate by the worm 14, while the worm wheel 13 cannot drive the worm 14 to rotate, so that the worm wheel 13 will not rotate after adjustment, thus playing a role of locking and positioning, wherein the worm 14 can be driven by electricity or rotated manually, and the corresponding selection can be made according to the needs. When adjusting both, both do not require two-handed operation, and the work intensity is effectively reduced.

[0035] The positioning frame 5 is provided with a servo motor 16 for driving the worm 14 to rotate forward and reversely, and the positioning frame 5 is also provided with a protective cover 17 for covering the servo motor 16, the worm wheel 13 and the worm 14. The protective cover 17 is provided with a forward control button 18 for controlling the forward rotation of the servo motor 16, and the protective cover 17 is also provided with a reverse control button 19 for controlling the reverse rotation of the servo motor 16. In this way, the rack can be driven to move upward and downward, which is convenient for operation.

[0036] The positioning frame 5 is provided with a power supply module 20 for supplying power to the servo motor 16, and the positioning frame 5 is also provided with a power detection module 21 for detecting the power of the power supply module 20, so that independent power supply does not require wiring and avoids entanglement of ground wires.

[0037] Among them, a tension sensor 22 is provided between the pulley and the telescopic rod 9, a central control module 23 is provided on the positioning frame 5, and a communication module 24 is provided on the central control module 23. The tension sensor 22 is connected to the central control module 23, and the central control module 23 is used to upload the tension data detected by the tension sensor 22 to the monitoring center. The positioning frame 5 is also provided with a display screen 25 for displaying the tension value detected by the tension sensor 22, which is convenient for remote detection of the traction tension, and when the traction rope falls off or other traction failures occur, they can be discovered in time.

[0038] Among them, the positioning frame 5 is also provided with a measuring grating 26 for detecting the telescopic length of the telescopic rod 9. The measuring grating 26 is connected to the central control module 23. The central control module 23 uploads the traction height data detected by the measuring grating to the monitoring center. In this way, the telescopic length of the telescopic rod can be detected by the measuring grating, which is convenient for lifting and lowering adjustment.

[0039] The positioning frame 5 is provided with a manual turning handle 27 for driving the worm to rotate, so that it can be driven electrically or rotated manually, and the corresponding selection can be made according to the needs. When adjusting both, both do not require two-handed operation, and the work intensity is effectively reduced.

[0040] The cross section of the cross frame 2 is non-circular to prevent the sliding clamp from rotating.

[0041] Working principle: a sliding clamp block 3 is provided on the horizontal frame 2 and moves along the horizontal frame 2. The sliding clamp block is provided with a positioning bolt 4 for fixing the sliding clamp block 3 on the horizontal frame 2 after the sliding clamp block 3 moves. In this way, the horizontal position of the pulley can be adjusted, and the pulley is installed on the positioning frame 5 through a one-hand adjustment mechanism 6, which has the characteristics of convenient operation. A driving mechanism is provided to rotate the driving gear 11, and the rotating driving gear 11 drives the telescopic rod 9 to move up and down along the limiting cavity 8 in the limiting sleeve 7 through the spur rack 10, thereby realizing the adjustment of the traction height. And at the time of adjustment, the adjustment is carried out by setting a driving mechanism, which is convenient for operation. The worm wheel 13 and the worm 14 are set to cooperate with each other, wherein the worm wheel 13 and the worm 14 have a locking function, and the worm wheel 13 can only be driven to rotate by the worm 14, while the worm wheel 13 cannot drive the worm 14 to rotate, so that the worm 13 will not rotate after adjustment, which plays a role of locking and positioning. The worm 14 can be driven by electricity or rotated manually, and the corresponding selection can be made according to the needs. When adjusting, both do not require two-handed operation, and the work intensity is effectively reduced.

[0042] Finally, it should be noted that the above description 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An orthopedic traction bed traction lifting assembly, characterized in that: The invention comprises a horizontal frame (2) fixed on a traction bed frame (1), the horizontal frame (2) being provided with a sliding clamp block (3) moving along the horizontal frame (2), the sliding clamp block (3) being provided with a positioning bolt (4) for fixing the sliding clamp block (3) on the horizontal frame (2) after the sliding clamp block (3) moves, the sliding clamp block (3) being provided with a positioning frame (5) extending vertically downward, and a pulley (28) for pulling a traction rope being installed on the positioning frame (5) via a one-hand adjustment mechanism (6); The one-hand adjustment mechanism (6) comprises a limiting sleeve (7) arranged on the positioning frame (5); a vertical limiting cavity (8) is arranged on the limiting sleeve (7); a telescopic rod (9) is arranged in the limiting cavity (8) and moves along the limiting cavity (8); a spur rack (10) is arranged on the side wall of the telescopic rod (9); a gear (11) meshing with the spur rack (10) is arranged on the limiting sleeve (7); and a driving mechanism for driving the gear (11) to rotate is also arranged on the outer side of the limiting sleeve (7).

2. The orthopedic traction bed traction lifting assembly according to claim 1, characterized in that: The telescopic rod (9) is provided with a receiving groove (12) for receiving the spur rack (10), and the depth of the receiving groove (12) is greater than the height of the teeth on the spur rack (10).

3. The orthopedic traction bed traction lifting assembly according to claim 2, characterized in that: The driving mechanism comprises a worm wheel (13) arranged on the central shaft end of the gear (11), and the positioning frame (5) is also provided with a worm (14) matched with the worm wheel (13).

4. The orthopedic traction bed traction lifting assembly according to claim 3, characterized in that: The positioning frame (5) is provided with a servo motor (16) for driving the worm (14) to rotate forward and reversely. The positioning frame (5) is also provided with a protective cover (17) for covering the servo motor (16), the worm wheel (13) and the worm (14). The protective cover (17) is provided with a forward control button (18) for controlling the forward rotation of the servo motor (16), and the protective cover (17) is also provided with a reverse control button (19) for controlling the reverse rotation of the servo motor (16).

5. The orthopedic traction bed traction lifting assembly according to claim 3, characterized in that: A power supply module (20) for supplying power to the servo motor (16) is arranged inside the positioning frame (5), and an electric quantity detection module (21) for detecting the electric quantity of the power supply module (20) is also arranged on the positioning frame (5).

6. The orthopedic traction bed traction lifting assembly according to claim 3, characterized in that: A tension sensor (22) is provided between the pulley and the telescopic rod (9), a central control module (23) is provided on the positioning frame (5), a communication module (24) is provided on the central control module (23), the tension sensor (22) is connected to the central control module (23), and the central control module (23) is used to upload tension data detected by the tension sensor (22) to a monitoring center, wherein the positioning frame (5) is also provided with a display screen (25) for displaying the tension value detected by the tension sensor (22).

7. The orthopedic traction bed traction lifting assembly according to claim 3, characterized in that: The positioning frame (5) is also provided with a measuring grating (26) for detecting the telescopic length of the telescopic rod (9); the measuring grating (26) is connected to the central control module (23); and the central control module (23) uploads the traction height data detected by the measuring grating to the monitoring center.

8. The orthopedic traction bed traction lifting assembly according to claim 3, characterized in that: The positioning frame 5 is provided with a manual rotating handle (27) for driving the worm to rotate.

9. The orthopedic traction bed traction lifting assembly according to claim 1, characterized in that: The cross section of the cross frame (2) is non-circular.