Cable take-up and pay-off device of folding mechanism
By designing a cable retracting device including a housing, a rotating shaft, an angle adjustment mechanism and a cable retracting and retracting mechanism, the problem of stacking of excess cables at the folding of the equipment is solved, and the cable is always at the required length, avoiding the risk of the cable jammed the rotating shaft, and ensuring the smooth folding and deployment of the equipment.
Patent Information
- Application Number
- CN202311077077.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-24
- Publication Date
- 2025-02-25
AI Technical Summary
In the prior art, the excess length cables at the folding point of the equipment are accumulated in a mess, resulting in the possibility of jamming the shaft when folded or unfolded affecting the rotation or the cable is stuck by the shaft, affecting the folding or unfolding movement of the equipment.
A folding mechanism cable retracting and retracting device is designed, including a housing, a rotating shaft, an angle adjustment mechanism and a cable retracting and retracting mechanism. By rotating the shaft, the angle adjustment mechanism and the cable retracting and retracting mechanism are unlocked or locked simultaneously. While adjusting the angle, the cable is retracted and retracted so that the cable is always at the required length.
Avoid the accumulation of excess length cables, preventing the cable from jamming the shaft or being jammed by the shaft when folded or expanded, thereby avoiding affecting the folding or expansion movement of the equipment.
Smart Images
Figure CN119503557A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of load transport equipment, and in particular to a cable retracting device with a folding mechanism. Background Art
[0002] Usually, load transport equipment has a large volume and size, and each control part needs to be connected by cables, and the cables generally have a certain length. During the transportation of the equipment, it needs to be folded or unfolded, but during the folding or unfolding process, the folding part of the equipment will store the extra length of the cable to ensure that the equipment can still be electrically connected when folded or unfolded.
[0003] At present, in the prior art, the excess length of cables at the folding part of the equipment is mostly piled up for storage. The piled up cables may get stuck in the shaft when the equipment is folded or unfolded, affecting the rotation, or the cables may be broken by the shaft, affecting the folding or unfolding movement. Summary of the invention
[0004] In view of the above analysis, the present invention aims to provide a cable retracting device with a folding mechanism, so as to solve the problem of messy accumulation of cables with excess length at the folding part of the equipment in the prior art.
[0005] The purpose of the present invention is mainly achieved through the following technical solutions:
[0006] A folding mechanism cable retracting device comprises a shell, a rotating shaft, an angle adjustment mechanism and a cable retracting mechanism, wherein two groups of the angle adjustment mechanisms are arranged and are symmetrically fixedly mounted on two ends of the shell; the rotating shaft is passed through the two groups of angle adjustment mechanisms and is rotatably connected to the angle adjustment mechanisms; the cable retracting mechanism is arranged in the shell and is simultaneously connected to the rotating shaft; rotating the rotating shaft can synchronously unlock or lock the angle adjustment mechanism and the cable retracting mechanism, and the cable can be retracted and released while the angle adjustment is performed, so that the cable is always at a required length.
[0007] Furthermore, the angle adjustment mechanism comprises a fixed cylinder, an angle adjustment disk, a first return spring and a locking disk, and the locking disk and the angle adjustment disk are installed in the fixed cylinder.
[0008] Furthermore, the locking disc is sleeved on the rotating shaft and is slidably connected to the rotating shaft. Rotating the rotating shaft can push the locking disc to slide along the axial direction of the fixed cylinder.
[0009] Furthermore, the angle adjustment disk is rotatably connected to the fixing cylinder.
[0010] Furthermore, the fixing cylinder and the angle adjustment disk are sleeved on the rotating shaft and are rotatably connected to the rotating shaft.
[0011] Furthermore, one end of the first return spring is fixedly connected to the rotating shaft, and the other end is fixedly connected to the fixing tube. The first return spring is used to drive the rotating shaft to rotate and return to an initial state when the external torque is removed from the rotating shaft.
[0012] Furthermore, the angle adjustment plate is provided with a first gear tooth, the locking plate includes a second gear tooth, and the first gear and the second gear can be meshed and connected.
[0013] Furthermore, the shell includes a lower plate and an outer shell fixedly mounted on the lower plate.
[0014] Furthermore, the outer shell is provided with a long slot hole, and the long slot hole is used to introduce the extra length of the external cable into the shell.
[0015] Furthermore, the first return spring is a coil spring.
[0016] The technical solution of the present invention can achieve at least one of the following effects:
[0017] (1) The present invention provides a folding mechanism cable retracting device, comprising a shell, a rotating shaft, an angle adjustment mechanism and a cable retracting mechanism, wherein the angle adjustment mechanism is provided in two groups and is symmetrically fixedly mounted on both ends of the shell; the rotating shaft is passed through the two groups of angle adjustment mechanisms and is rotatably connected to the angle adjustment mechanisms; the cable retracting mechanism is provided in the shell and is simultaneously connected to the rotating shaft; rotating the rotating shaft can synchronously unlock or lock the angle adjustment mechanism and the cable retracting mechanism, and the cable can be retracted and released while the angle adjustment is performed, so that the cable is always at the required length, avoiding the messy accumulation of cables of excess length in the folding mechanism, preventing the cables of excess length from getting stuck in the rotating shaft and affecting the rotation when folding or unfolding, or preventing the cables from being broken by the rotating shaft, thereby avoiding affecting the folding or unfolding movement of the equipment.
[0018] (2) The present invention sets an angle adjustment mechanism, which includes a fixed cylinder, an angle adjustment disk and a locking disk, and the angle adjustment disk and the locking disk are installed in the fixed cylinder; a first gear tooth is provided on one end surface of the angle adjustment disk, and a second gear tooth is provided on one end surface of the locking disk, and the first gear tooth and the second gear tooth are correspondingly arranged and can mesh with each other; a spiral groove is also provided on the locking disk, and the spiral groove cooperates with a pushing column arranged on the rotating shaft, and the rotating shaft is rotated to make the pushing column slide in the spiral groove, thereby pushing the locking disk to slide along its axis in the fixed cylinder, so that the second gear tooth meshes or separates with the first gear tooth, thereby realizing that the locking disk locks or unlocks the angle adjustment disk; its angle adjustment mechanism has a simple structure and is easy to operate, and can quickly fold or unfold the folding mechanism.
[0019] (3) The present invention also provides a compression spring in the angle adjustment mechanism, wherein one end of the compression spring is fixedly connected to the closed end of the fixed cylinder, and the other end is fixedly connected to the other end surface of the locking disk. The compression spring is always in a compressed state, that is, the compression spring always applies an elastic force to the locking disk, so that the second gear teeth in the locking disk and the first gear teeth in the angle adjustment disk are more tightly engaged, thereby preventing the second gear teeth from loosening when engaging with the first gear teeth.
[0020] (4) The present invention also provides a cable retracting mechanism, which includes a locking assembly, a ratchet, a take-up post and a second reset spring, wherein the locking assembly is used to lock or unlock the ratchet according to the rotation of the rotating shaft 3; the ratchet is rotatably mounted on the closed end of the fixed cylinder in the angle adjustment mechanism; the take-up post is fixedly mounted at the center of the end face of the ratchet, and the take-up post is used to retract or release the cable according to the rotation of the ratchet; the second reset spring is fixedly mounted on the other end face of the ratchet, one end of the second reset spring is fixedly connected to the ratchet, and the other end is fixedly connected to the closed end of the fixed cylinder, the second reset spring is used to drive the ratchet to rotate, thereby driving the take-up post to rotate to realize automatic cable retraction, so that the folding mechanism can adjust the length of the cable while folding or unfolding, so that the cable is always at the required length, which can avoid the messy accumulation of excess length of cable in the folding mechanism, and prevent the excess length of cable from getting stuck in the rotating shaft and affecting the rotation or the cable from being broken by the rotating shaft during folding or unfolding, thereby avoiding affecting the folding or unfolding movement of the equipment.
[0021] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can become obvious from the description, or can be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.
[0023] Figure 1 The structure of the folding mechanism in the embodiment of the present invention is shown in FIG. Figure 1 ;
[0024] Figure 2 The structure of the folding mechanism in the embodiment of the present invention is shown in FIG. Figure 2 ;
[0025] Figure 3 It is a structural schematic diagram of a rotating shaft in an embodiment of the present invention;
[0026] Figure 4The structure of the angle adjustment mechanism in the embodiment of the present invention is shown in FIG. Figure 1 ;
[0027] Figure 5 The structure of the angle adjustment mechanism in the embodiment of the present invention is shown in FIG. Figure 2 ;
[0028] Figure 6 for Figure 5 Sectional view along line AA;
[0029] Figure 7 An exploded view of the angle adjustment mechanism in an embodiment of the present invention;
[0030] Figure 8 It is a structural schematic diagram of a fixed cylinder in an embodiment of the present invention;
[0031] Fig. 9 Schematic diagram of the structure of the angle adjustment disk in the embodiment of the present invention;
[0032] Fig.10 It is a structural schematic diagram of a locking plate in an embodiment of the present invention;
[0033] Fig.11 The structure of the cable retracting mechanism in the embodiment of the present invention is shown in FIG. Figure 1 ;
[0034] Fig.12 The structure of the cable retracting mechanism in the embodiment of the present invention is shown in FIG. Figure 2 ;
[0035] Fig.13 The structure of the cable retracting mechanism in the embodiment of the present invention is shown in FIG. Figure 3 .
[0036] Reference numerals:
[0037] 1-shell; 11-lower plate; 12-housing; 121-long slot;
[0038] 2-Handle;
[0039] 3-rotating shaft; 31-pushing column;
[0040] 4-angle adjustment mechanism; 41-fixed cylinder; 411-first shaft hole; 412-guide groove; 42-angle adjustment disk; 421-first gear; 422-second shaft hole; 43-first return spring; 44-locking disk; 441-locking disk body; 442-second gear; 443-third shaft hole; 444-guide block; 445-spiral slide groove; 45-rotating sleeve; 46-compression spring;
[0041] 5-cable retracting and releasing mechanism; 51-turntable; 52-rocker; 53-connecting rod; 54-chuck; 55-ratchet; 56-retracting column; 57-second return spring. DETAILED DESCRIPTION
[0042] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.
[0043] A specific embodiment of the present invention discloses a folding mechanism cable retracting device, the folding mechanism can be used in equipment involving folding, for example, it can be used in transport vehicles, exoskeleton mechanisms, individual equipment (such as individual power-assisted tractors), cargo transportation equipment, emergency rescue equipment, etc., and can also be slightly improved for folding vehicles, bicycles, baby carriages, wheelchairs and other products. This embodiment is specifically described using the individual power-assisted tractor as an example. The folding mechanism cable retracting device is collectively referred to as the folding mechanism in the following description; the folding mechanism is rotatably connected to the upper bearing device of the individual power-assisted tractor, and is fixedly connected to the lower bearing device of the individual power-assisted tractor; Figure 1 and Figure 2 As shown, the folding mechanism includes a shell 1, a rotating shaft 3, an angle adjustment mechanism 4 and a cable retracting mechanism 5, the shell 1 is fixedly connected to the lower bearing device, and the upper bearing device is fixedly connected to the angle adjustment mechanism 4; the shell 1 is cylindrical, and the angle adjustment mechanism 4 is provided in two groups, which are symmetrically fixedly installed at both ends of the shell 1; the rotating shaft 3 is passed through the two groups of angle adjustment mechanisms 4 and is rotatably connected to the angle adjustment mechanisms 4; the cable retracting mechanism 5 is arranged in the shell 1 and is connected to the rotating shaft 3 at the same time; rotating the rotating shaft 3 can make the angle adjustment mechanism 4 and the cable retracting mechanism 5 unlock or lock synchronously, so that the folding mechanism can adjust the angle while retracting the cable, so that the cable is always at the required length, avoiding the messy accumulation of cables of excess length in the folding mechanism, preventing the cables of excess length from getting stuck in the rotating shaft and affecting the rotation or the cables from being broken by the rotating shaft when folding or unfolding, thereby avoiding affecting the folding or unfolding movement of the equipment.
[0044] Preferably, the folding mechanism also includes a handle 2, and two wrenches 2 are provided, which are respectively fixedly connected to the two ends of the rotating shaft 3. Turning the handle 2 drives the rotating shaft 3 to rotate, thereby driving the angle adjustment mechanism 4 and the cable retracting mechanism 5 to be unlocked or locked at the same time, thereby achieving the adjustment of the folding angle while retracting and releasing the cable.
[0045] Preferably, the shell 1 includes a lower plate 11 and an outer shell 12 fixedly mounted on the lower plate, wherein the lower plate 11 is fixedly connected to an external lower bearing device; the outer shell 12 is cylindrical and is used to protect other mechanisms and cables arranged in the outer shell 12; a long slot hole 121 is provided on the outer shell 12, and the long slot hole 121 extends along the circumferential direction of the outer shell 12, and is used to introduce the excess length of the external cable into the shell 1.
[0046] Preferably, if Figure 3 As shown, push columns 31 are respectively provided at both ends of the rotating shaft 3; the rotating shaft 3 is preferably square. Compared with a cylindrical shaft, a square shaft can be better connected to other components to prevent slipping when the rotating shaft 3 drives its components to rotate, and can better transmit motion.
[0047] Preferably, if Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the angle adjustment mechanism 4 includes a fixed cylinder 41, an angle adjustment disk 42, a first return spring 43, a locking disk 44 and a rotating sleeve 45. The locking disk 44 and the angle adjustment disk 42 are sequentially installed in the fixed cylinder 41 and are both connected to the rotating shaft 3. The locking disk 44 can lock or unlock the angle adjustment disk 42 according to the rotation of the rotating shaft 3; one end of the first return spring 43 is fixedly connected to the rotating shaft 3, and the other end is fixedly connected to the closed end of the fixed cylinder 41. The first return spring 43 is used to drive the rotating shaft 3 to rotate and restore to the initial state when the external torque is removed from the rotating shaft 3, and at the same time push the locking disk 44 to slide in the direction close to the angle adjustment disk 42, so that the locking disk 44 automatically locks the angle adjustment disk 42; compared with the prior art, the angle adjustment mechanism 4 is simple in structure, the locking disk 4 can unlock the angle adjustment disk 42 by rotating the rotating shaft 3, and the locking disk 4 can automatically lock the angle adjustment disk 42 by the first return spring 43, which is easy to operate and can realize the rapid angle adjustment of the folding mechanism.
[0048] Preferably, the fixing tube 41 is fixedly mounted at the end of the shell 12 in the housing 1; Figure 8 As shown, one end of the fixed cylinder 41 is open and the other end is closed, forming an open end and a closed end; a first axial hole 411 is provided on the closed end, and a rotating sleeve 45 is installed in the first axial hole 411, and the rotating sleeve 45 is fixedly installed on the rotating shaft 3, so that the fixed cylinder 41 is rotatably connected to the rotating shaft 3 through the rotating sleeve 45; a guide groove 412 is also provided on the inner wall of the fixed cylinder 41 on one side close to the closed end, and the guide groove 412 extends along the axial direction of the fixed cylinder 41; in this embodiment, four guide grooves 412 are preferably arranged, and the four guide grooves 412 are evenly distributed along the circumference of the cylinder wall of the fixed cylinder 41.
[0049] Preferably, the angle adjustment disk 42 is rotatably mounted on the open end of the fixed cylinder 41, and one end surface is fixedly connected to the external upper bearing device; Fig. 9 As shown, a first gear tooth 421 is provided on the other end surface of the angle adjustment disk 42; a second shaft hole 422 is also provided on the angle adjustment disk 42, and a rotating sleeve 45 is installed in the second shaft hole 422. The rotating sleeve 45 is fixedly installed on the rotating shaft 3, so that the angle adjustment disk 42 is rotatably connected to the rotating shaft 3 through the rotating sleeve 45.
[0050] Preferably, the locking plate 44 is slidably connected to the fixed cylinder 41, and the locking plate 44 can only slide along the axial direction of the fixed cylinder 41; the locking plate 44 is mounted on the rotating shaft 3 and is slidably connected to the rotating shaft 3. By rotating the rotating shaft 3, the locking plate 44 can be pushed to slide along its axial direction in the fixed cylinder 41, so that the locking plate 44 can lock or unlock the angle adjustment plate 42.
[0051] Preferably, if Fig.10 As shown, the locking plate 44 includes a locking plate body 441, a second gear tooth 442, a third shaft hole 443, a guide block 444 and a spiral groove 445. The second gear tooth 442 is arranged on the end surface of the locking plate body 441 and is arranged corresponding to the first gear tooth 421 in the angle adjustment plate 42, and can be meshed with the first gear tooth 421. Through the meshing and separation of the second gear tooth 442 and the first gear tooth 421, the locking plate 44 can lock or unlock the angle adjustment plate 42; the guide block 444 is arranged at the edge of the locking plate body 441 and extends outwardly along the diameter direction of the locking plate body 441; the guide block 444 is arranged corresponding to the guide groove 412 on the inner wall of the fixed cylinder 41, and the guide block 444 is arranged corresponding to the guide groove 412 on the inner wall of the fixed cylinder 41. 44 can slide in the guide groove 412, and can be used to limit the circular rotation of the locking plate 44, so that the locking plate 44 can only slide in the axial direction of the fixed cylinder 41; in this embodiment, four guide blocks 444 are preferably provided, and the four guide blocks 444 are evenly arranged along the circumferential direction of the edge of the locking plate body 441, so that the four guide blocks 444 correspond to the four guide grooves 412 on the inner wall of the fixed cylinder 41, so that the guide blocks 444 can be inserted into the guide grooves 412 and can slide in the guide grooves 412; the four guide blocks 444 cooperate with the four guide grooves 412, so that the locking plate 44 can be evenly stressed when sliding along the axial direction of the fixed cylinder 41, thereby improving the smoothness of the sliding of the locking plate 44 in the fixed cylinder 41.
[0052] Preferably, the spiral groove 445 is arranged on the inner wall of the third shaft hole 443, and the spiral groove 445 cooperates with the push column 31 on the shaft 3. The shaft 3 is rotated to make the push column 31 slide in the spiral groove 445, thereby pushing the locking plate 44 to slide along its axis in the fixed cylinder 41, so that the second gear 442 can mesh with or separate from the first gear 421, so that the locking plate 44 can lock or unlock the angle adjustment plate 42; retaining rings are provided at both ends of the spiral groove 445, and the retaining rings are used to limit the sliding stroke of the push column 31 in the spiral groove 445; the preferred rotation angle of the shaft 3 in this embodiment is 9 0°, that is, when the shaft 3 rotates 90°, the second gear teeth 442 in the locking plate 44 can be pushed to fully engage or disengage with the first gear teeth 421; compared with the prior art, this embodiment cooperates with the pushing column 31 on the shaft 3 through the spiral groove 445, and rotates the shaft 3 to make the pushing column 31 slide in the spiral groove 445, thereby pushing the locking plate 44 to slide along its axis in the fixed cylinder 41, so that the second gear teeth 442 can engage or disengage with the first gear teeth 421, thereby realizing that the locking plate 44 locks or unlocks the angle adjustment plate 42. Its structure is simple and easy to operate, and the folding mechanism can be quickly folded or unfolded.
[0053] Preferably, the angle adjustment mechanism 4 also includes a compression spring 46, one end of the compression spring 46 is fixedly connected to the closed end of the fixed cylinder 41, and the other end is fixedly connected to the other end surface of the locking disk 44. The compression spring 46 is always in a compressed state, that is, the compression spring 46 always applies an elastic force to the locking disk 44, so that the second gear teeth 442 in the locking disk 44 and the first gear teeth 421 in the angle adjustment disk 42 are more tightly engaged, thereby preventing the second gear teeth 442 from loosening when engaging with the first gear teeth 421.
[0054] Preferably, the cross-sectional shape of the spiral groove 445 is preferably semicircular; the end of the pushing column 31 is preferably set to a hemispherical shape, so that the end of the pushing column 31 can fit better with the spiral groove 445, so that the pushing column 31 can slide more smoothly in the spiral groove 445, and thus the rotating shaft 3 can more smoothly push the locking plate 44 to slide along the axial direction of the fixed cylinder 41 when the rotating shaft 3 rotates; in this embodiment, the spiral grooves 445 are preferably provided with four, and the four spiral grooves 445 are evenly arranged along the circumference of the inner wall of the third shaft hole 443; four pushing columns 31 are provided on each end of the rotating shaft 3, and the four pushing columns 31 are symmetrically arranged on the four faces of the rotating shaft 3, and are correspondingly arranged with the four spiral grooves 445, and the four pushing columns 31 cooperate with the four spiral grooves 445, so that the rotating shaft 3 can be subjected to uniform force when pushing the locking plate 44 to slide along the axial direction of the fixed cylinder 41, thereby improving the smoothness of the rotating shaft 3 pushing the locking plate 44 to slide.
[0055] Preferably, if Fig.11 , Fig.12and Fig.13 As shown, the cable retracting mechanism 5 includes a locking assembly, a ratchet 55, a take-up post 56 and a second return spring 57. The locking assembly is used to lock or unlock the ratchet 55 according to the rotation of the rotating shaft 3; the ratchet 55 is rotatably mounted on the closed end of the fixed cylinder 41 in the angle adjustment mechanism 4; the take-up post 56 is fixedly mounted at the center of the end face of the ratchet 55, and the take-up post 56 is used to store or release the cable according to the rotation of the ratchet 55; the second return spring 57 is fixedly mounted on the other end face of the ratchet 55, one end of the second return spring 57 is fixedly connected to the ratchet 55, and the other end is fixed to the fixed cylinder The closed end of 41 is fixedly connected, and the second return spring 57 is used to drive the ratchet 55 to rotate, thereby driving the take-up column 56 to rotate to realize automatic cable storage; compared with the prior art, this embodiment sets a cable storage mechanism 5 for storing and retrieving the excess length of the cable in the folding mechanism, so that the folding mechanism can adjust the length of the cable while folding or unfolding, so that the cable is always at the required length, which can avoid the excess length of the cable from being piled up in the folding mechanism, and prevent the excess length of the cable from being stuck on the shaft and affecting the rotation or the cable from being broken by the shaft when folding or unfolding, thereby avoiding affecting the folding or unfolding movement of the equipment.
[0056] Preferably, the locking assembly includes a rotating disk 51, a swing rod 52, a connecting rod 53 and a chuck 54. The rotating disk 51 is sleeved on the rotating shaft 3 and is fixedly connected to the rotating shaft 3, and can rotate with the rotation of the rotating shaft 3; one end of the swing rod 52 is hinged to the edge of the rotating disk 51, and the other end is hinged to one end of the connecting rod 53; the middle part of the connecting rod 53 is hinged to the closed end of the fixed cylinder 41 through a pin, and the other end is hinged to one end of the chuck 54; the other end of the chuck 54 is installed on the closed end of the fixed cylinder 41 and is hinged to the fixed cylinder 41 through a pin. The pin shaft is hingedly connected to the fixed cylinder 41; the chuck 54 is provided with a ratchet, and the ratchet cooperates with the ratchet wheel 55. By turning the handle 2, the rotating shaft 3 is driven to rotate, thereby driving the turntable 51 to rotate. The rotation of the turntable 51 drives the rocker rod 52 to rotate, and then drives the connecting rod 53 to rotate with the pin shaft set in the middle of the connecting rod 53 as a fulcrum, thereby further driving the chuck 54 to rotate with the pin shaft connected to the fixed cylinder 41 as a fulcrum, so that the ratchet set on the chuck 54 engages or disengages with the ratchet wheel 55, thereby realizing that the chuck 54 locks or unlocks the ratchet wheel 55.
[0057] Preferably, the take-up post 56 is used to wind and store the cable; the cable entering the housing 1 is folded in half, the folded end of the cable is fixed on the take-up post 56 , and then the excess cable is wound and stored on the take-up post 56 .
[0058] Preferably, the first return spring 43 and the second return spring 57 are both coil springs.
[0059] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.
Claims
1. A folding mechanism cable retracting device, characterized in that: The invention comprises a housing (1), a rotating shaft (3), an angle adjustment mechanism (4) and a cable retracting mechanism (5); the angle adjustment mechanism (4) is provided in two groups and is symmetrically fixedly mounted on two ends of the housing (1); the rotating shaft (3) is passed through the two groups of angle adjustment mechanisms (4) and is rotatably connected to the angle adjustment mechanisms (4); the cable retracting mechanism (5) is arranged in the housing (1) and is simultaneously connected to the rotating shaft (3); the rotating shaft (3) can synchronously unlock or lock the angle adjustment mechanism (4) and the cable retracting mechanism (5), and the cable can be retracted and released while the angle adjustment is performed, so that the cable is always at a required length.
2. A folding mechanism cable retracting device according to claim 1, characterized in that: The angle adjustment mechanism (4) comprises a fixed cylinder (41), an angle adjustment disk (42), a first return spring (43) and a locking disk (44); the locking disk (44) and the angle adjustment disk (42) are installed in the fixed cylinder (41).
3. A folding mechanism cable retracting device according to claim 2, characterized in that: The locking plate (44) is sleeved on the rotating shaft (3) and is slidably connected to the rotating shaft (3). Rotating the rotating shaft (3) can push the locking plate (44) to slide along the axial direction of the fixed cylinder (41).
4. A folding mechanism cable retracting device according to claim 3, characterized in that: The angle adjustment disk (42) is rotatably connected to the fixing cylinder (41).
5. A folding mechanism cable retracting device according to claim 4, characterized in that: The fixed cylinder (41) and the angle adjustment disk (42) are sleeved on the rotating shaft (3) and are rotatably connected to the rotating shaft (3).
6. A folding mechanism cable retracting device according to claim 5, characterized in that: One end of the first return spring (43) is fixedly connected to the rotating shaft (3), and the other end is fixedly connected to the fixed cylinder (41). The first return spring (43) is used to drive the rotating shaft (3) to rotate and return to an initial state when the external torque is removed from the rotating shaft (3).
7. A folding mechanism cable retracting device according to claim 6, characterized in that: The angle adjustment disk (42) is provided with a first gear tooth (421), the locking disk (44) includes a second gear tooth (442), and the first gear (421) and the second gear (442) are meshingly connected.
8. The folding mechanism cable retracting device according to claim 7, characterized in that: The housing (1) comprises a lower plate (11) and an outer shell (12) fixedly mounted on the lower plate (11).
9. The folding mechanism cable retracting device according to claim 8, characterized in that: The outer shell (12) is provided with a long slot hole (121), and the long slot hole (121) is used to introduce the extra length of external cables into the housing (1).
10. A folding mechanism cable retracting device according to claim 9, characterized in that: The first return spring (43) is a coil spring.