Mounting bracket for cable trench and use method of mounting bracket

Abstract

The invention provides a mounting bracket for a cable trench and a use method of the mounting bracket. The mounting bracket comprises a supporting seat and a cantilever frame, at least one supporting block is fixedly arranged on the supporting seat, and a plurality of clamping grooves are formed in the supporting block; one end of the cantilever support is rotationally installed on the supporting base, a locking structure is installed on the cantilever support, a spring bolt of the locking structure corresponds to the clamping groove in position, and after the cantilever support rotates and swings in place, the spring bolt is inserted into the corresponding clamping groove to achieve locking; on one hand, a proper placing angle can be selected according to the width adjustment of the cable trench, and the applicability is expanded; and on the other hand, adjustment can be carried out as required during multi-layer laying operation, the cantilever support on the upper portion is rotated to the position close to the wall face of the cable trench, enough operation space is provided for laying of cables on the lower portion, and the construction efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of cable installation racks, and more specifically, to an installation bracket for a cable trench and a use method thereof. Background Art

[0002] The cable trench is suitable for areas such as roads, factory areas, and buildings where cable outlets are concentrated and no electric bypass tunnels are required; urban pedestrian walkways or green areas; usually, depending on the application scenario, the width of the cable trench usually varies, and cable racks of different widths are required to use cable racks of different widths in order to make full use of the width space of the cable trench and reserve sufficient cable installation and maintenance space. In the prior art, cable racks of different sizes are usually used for cable trenches of different widths. Although it can meet the use requirements, it is necessary to design corresponding cable racks according to the size of the cable trench, resulting in insufficient versatility of the cable racks and increased design costs of the cable racks; and, most of the current cable racks are arranged in multiples in the depth direction, achieving a multi-layer arrangement effect; however, in actual application, since the cable rack is a fixed structure, especially for some thicker and heavier cables, or the need to arrange multiple cables, the cantilever in the upper position will affect the installation and arrangement of the cables below, greatly increasing the difficulty of construction and affecting the overall construction efficiency and progress. Summary of the invention

[0003] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to propose a mounting bracket for a cable trench and a method of using the same, which can be rotated and adjusted. On the one hand, a suitable placement angle can be selected according to the width of the cable trench to expand applicability; on the other hand, it can be adjusted as needed during multi-layer laying operations, and the upper cantilever frame can be rotated to a position close to the wall of the cable trench, thereby providing sufficient operating space for the laying of the cables below and improving construction efficiency.

[0004] To achieve this object, the present invention adopts the following technical solutions:

[0005] The present invention provides an installation bracket for a cable trench, comprising a support seat and a cantilever frame; at least one support block is fixedly provided on the support seat, and a plurality of slots are provided on the support block; one end of the cantilever frame is rotatably installed on the support seat, and a locking structure is installed on the cantilever frame, and a locking tongue of the locking structure corresponds to the position of the slot, and after the cantilever frame is rotated and swung into position, the locking tongue is inserted into the corresponding slot to achieve locking.

[0006] In a preferred technical solution of the present invention, a frame is fixedly provided at one end of the cantilever frame, and a rotating shaft is fixedly provided at the open end of the frame away from the center direction; shaft clamps are correspondingly installed on the upper and lower sides of the support block, and the cantilever frame is rotatably installed between the two shaft clamps through the rotating shaft; a plurality of vertically arranged slots are provided on the support block, and the slots are distributed in a circular array around the axis of the rotating shaft; the locking structure is installed in the middle of the cantilever frame, and the lock tongue is adjusted to telescope to achieve locking and unlocking actions.

[0007] In a preferred technical solution of the present invention, the upper and lower outer wall surfaces of the frame body are respectively abutted against the ends of the two shaft clamps; the upper and lower inner wall surfaces of the frame body are respectively abutted against the two end surfaces of the support block.

[0008] In a preferred technical solution of the present invention, the locking structure includes a lock tongue, a pull rod, a spring, and a handle assembly; the lock tongue is fixedly arranged at one end of the pull rod, and the handle assembly is installed at the other end of the pull rod; a guide groove and a guide hole that are interconnected are provided in the middle of the cantilever frame, and the guide groove is located at one end close to the frame; the lock tongue is movably inserted in the guide groove, and the pull rod is inserted in the guide hole; the spring is arranged in the guide groove to provide the lock tongue with an elastic force to push outward, so as to maintain the locking state of the lock tongue and the slot; by dragging the handle assembly, the spring is compressed, so that the lock tongue is separated from the slot, thereby realizing the unlocking action.

[0009] In a preferred technical solution of the present invention, the locking tongue includes a guide column, one end of which is fixedly connected to the end of the pull rod, and the other end is fixedly provided with a clamping head, which is a strip-shaped plate-like structure, extending along the radial direction of the guide column and passing through the outer wall of the guide column, and the shape of the insertion end of the clamping head is adapted to the shape of the clamping slot; the guide groove includes a first guide portion and a second guide portion which are interconnected, the shape of the first guide portion is adapted to the shape of the clamping head, and the shape of the second guide portion is adapted to the shape of the guide column; the spring is sleeved on the outside of the pull rod, the spring is located in the second guide portion, and the spring is clamped between the end faces of the clamping head and the second guide portion.

[0010] In a preferred technical solution of the present invention, the handle assembly includes a pull block and a stop block. The pull block is fixedly installed on the end of the pull rod by a pin; the stop block is movably sleeved on the end of the pull rod and is located on the side of the pull block close to the center of the pull rod. The stop block is limited by a retaining spring clamped on the pull rod so that the stop block slides and rests on the wall surface of the pull block; the stop block can be adjusted to rotate and swing independently to a position parallel to the rotating shaft, forming a blocking limit above the end of the pull rod.

[0011] In a preferred technical solution of the present invention, a bayonet is provided on the top surface of the end of the cantilever frame corresponding to the stopper, the opening width of the bayonet is adapted to the thickness of the stopper, and the stopper is locked in the bayonet after being rotated and swung upward into position.

[0012] In a preferred technical solution of the present invention, the first magnet block and the second magnet block are fixedly embedded on the two wall surfaces of the stopper respectively; the third magnet block is correspondingly fixedly embedded on the wall surface of the pulling block close to the stopper, the position of the third magnet block corresponds to the position of the first magnet block, and when the stopper swings to correspond to the position of the pulling block, the first magnet block and the third magnet block are magnetically connected; the fourth magnet block is fixedly embedded on the side wall of the bayonet close to the center of the cantilever frame, the position of the fourth magnet block corresponds to the position of the second magnet block, and when the stopper swings to the bayonet position, the second magnet block and the fourth magnet block are magnetically connected.

[0013] The present invention also provides a method for using a cable trench mounting bracket, comprising the following steps:

[0014] S1, design the corresponding installation route according to actual needs and working environment, and determine the number of installation brackets and drilling points;

[0015] S2, punching at the punching point;

[0016] S3, install the mounting bracket at the punching point using expansion bolts;

[0017] S4, according to the shape, support requirements and routing requirements of the cable trench; adapt and adjust the placement angle of the mounting bracket to provide sufficient support.

[0018] Furthermore, when adjusting the angle of the cantilever frame, the handle assembly needs to be dragged outward to compress the spring so that the clamping head is separated from the clamping slot and the lock is released. When the handle assembly is rotated into place, the clamping head is released again and the clamping head is clamped in the clamping slot again to complete the locking.

[0019] Furthermore, when the cantilever frame is adjusted into place and the wiring is completed, the adjustment block is rotated to an upright state and snapped into the snap-in position to form a limit stop at the end of the cantilever frame to prevent the cable from easily detaching from this position.

[0020] The beneficial effects of the present invention are:

[0021] The present invention provides an installation bracket for a cable trench and a method for using the same, comprising a support seat and a cantilever frame; at least one support block is fixedly provided on the support seat, and a plurality of slots are provided on the support block; one end of the cantilever frame is rotatably installed on the support seat, and a locking structure is installed on the cantilever frame, and a locking tongue of the locking structure corresponds to the position of the slot, and after the cantilever frame is rotated and swung into position, the locking tongue is inserted into the corresponding slot to achieve locking; the cantilever frame is rotatably installed on the support seat, and the cantilever frame adjusted into position is locked by the locking structure to maintain it at a desired angle position to prevent it from being easily loosened or offset, and to avoid affecting the progress of other construction operations; during operation and use, on the one hand, a suitable placement angle can be selected according to the width of the cable trench to expand applicability; on the other hand, it can be adjusted as needed during multi-layer laying operations, and the upper cantilever frame can be rotated to a position close to the wall of the cable trench to provide sufficient operating space for laying the cables below, thereby improving construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of a cable trench mounting bracket provided in a specific embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of a three-dimensional unfolded structure of a cable trench mounting bracket provided in a specific embodiment of the present invention;

[0024] Figure 3 is a schematic diagram of the three-dimensional structure of a cantilever frame provided in a specific embodiment of the present invention;

[0025] Figure 4 is a cross-sectional view of a cantilever frame provided in a specific embodiment of the present invention;

[0026] Figure 5 is a schematic diagram of a three-dimensional unfolded structure of a locking structure provided in a specific embodiment of the present invention from a first viewing angle;

[0027] Figure 6 is a schematic diagram of a three-dimensional unfolded structure of a locking structure provided in a specific embodiment of the present invention from a second viewing angle;

[0028] Figure 7 It is a schematic diagram of a stopper of a cable trench mounting bracket provided in a specific embodiment of the present invention when being stuck at a bayonet;

[0029] Figure 8 It is a schematic diagram of the three-dimensional structure of a cable trench mounting bracket with multiple cantilever brackets provided in a specific embodiment of the present invention;

[0030] Fig. 9 It is a schematic diagram of the use status of a cable trench mounting bracket provided in a specific embodiment of the present invention.

[0031] In the figure:

[0032] 100, support seat; 110, support block; 120, slot; 130, shaft clamp;

[0033] 200, cantilever frame; 210, frame; 220, rotating shaft; 230, guide groove; 231, first guide portion; 232, second guide portion; 240, guide hole; 250, bayonet; 260, fourth magnet block;

[0034] 300, locking structure; 310, locking tongue; 311, guide column; 312, clamping head; 320, pull rod; 330, spring; 340, handle assembly; 341, pull block; 342, stop block; 343, first magnet block; 344, second magnet block; 345, third magnet block. DETAILED DESCRIPTION

[0035] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0036] like Figure 1 , Figure 2 As shown, a specific embodiment of the present invention discloses a cable trench mounting bracket, comprising a support base 100 and a cantilever frame 200; at least one support block 110 is fixedly provided on the support base 100, and a plurality of slots 120 are provided on the support block 110; one end of the cantilever frame 200 is rotatably mounted on the support base 100, and a locking structure 300 is installed on the cantilever frame 200, and a locking tongue 310 of the locking structure 300 corresponds to the position of the slot 120. After the cantilever frame is rotated and swung into position, the locking tongue is inserted into the corresponding slot to achieve locking;

[0037] The above-mentioned cable trench installation bracket has a cantilever frame that is rotatably installed on a support seat, and the cantilever frame is locked after being adjusted into place through a locking structure to maintain it at a desired angle to prevent it from being easily loosened or offset, thereby avoiding affecting the progress of other construction operations. During operation, on the one hand, a suitable placement angle can be adjusted according to the width of the cable trench to expand its applicability; on the other hand, it can be adjusted as needed during multi-layer laying operations, and the upper cantilever frame can be rotated to a position close to the wall of the cable trench to provide sufficient operating space for laying the cables below, thereby improving construction efficiency.

[0038] Furthermore, if Figure 3 As shown, a frame 210 is fixedly provided at one end of the cantilever frame 200, and a rotating shaft 220 is fixedly provided at the open end of the frame 210 away from the center direction; Figure 1 , Figure 2As shown, the support seat 100 is provided with shaft clamps 130 correspondingly installed at the upper and lower parts of the support block 110, and the cantilever frame 200 is rotatably installed between the two shaft clamps 130 through the rotating shaft 220; it is an assembled structure, and the overall structural coordination is relatively simple, which is convenient for the processing and production of various structural components; the support block 110 is provided with a plurality of vertically arranged slots 120, and the slots are distributed in a circular array around the axis of the rotating shaft; the locking structure is installed in the middle of the cantilever frame, and the lock tongue is adjusted to telescope and move to achieve locking and unlocking actions; the above-mentioned structural design concentrates the mating connection parts at the center position, which can facilitate the design and layout of the overall structure on the one hand, making the structure more compact and beautiful; on the other hand, it can facilitate the dispersion or transfer of load-bearing forces to prevent deformation or damage of the structure.

[0039] Furthermore, the upper and lower frame outer walls of the frame 210 are respectively abutted against the ends of the two shaft clamps 130; the upper and lower frame inner walls of the frame 210 are respectively abutted against the two end surfaces of the support block 110; under this structural limitation, the cooperation between the cantilever frame and the support block and the shaft clamp is further strengthened, forming an abutting contact in both directions of the upper and lower directions, so as to better realize the force transfer and dispersion; when the cantilever frame load-bearing is subjected to downward force, the force will be transferred to the shaft clamp and the support block, preventing the lock tongue and the slot from being subjected to a single concentrated force, avoiding damage or deformation of components, and extending the service life.

[0040] Furthermore, if Figures 3 to 6 As shown, the locking structure 300 includes a lock tongue 310, a pull rod 320, a spring 330, and a handle assembly 340; the lock tongue 310 is fixedly arranged at one end of the pull rod 320, and the handle assembly 340 is installed at the other end of the pull rod 320; a guide groove 230 and a guide hole 240 are provided in the middle of the cantilever frame 200, and the guide groove is located at one end close to the frame; the lock tongue 310 is movably inserted in the guide groove 230, and the pull rod 320 is inserted in the guide hole 240; the spring 330 is arranged in the guide groove 230 to provide the lock tongue with an elastic force to push outwards, so as to maintain the locking state of the lock tongue and the slot; by pulling the handle assembly, the spring is compressed, so that the lock tongue is separated from the slot to achieve the unlocking action; the locking structure adopts an assembled structure, which is convenient for the processing and production of various structural components, convenient for production and assembly, and also convenient for the subsequent disassembly, assembly and replacement of parts; the effect achieved by the combination is also relatively simple, and the unlocking action is achieved by dragging the pull rod, and the cantilever frame can be pushed to achieve the effect of rotation and displacement.

[0041] Furthermore, the locking tongue 310 includes a guide column 311, one end of which is fixedly connected to the end of the pull rod 320, and the other end is fixedly provided with a clamping head 312, which is a strip-shaped plate-like structure, extending along the radial direction of the guide column and passing through the outer wall of the guide column, and the shape of the insertion end of the clamping head 312 is adapted to the shape of the card slot 120; the guide slot 230 includes a first guide portion 231 and a second guide portion 232 that are interconnected, the shape of the first guide portion 231 is adapted to the shape of the clamping head 312, and the shape of the second guide portion 232 is adapted to the shape of the card slot 120. The guide column 311 is adapted in shape; the spring sleeve is arranged on the outside of the pull rod, the spring is located in the second guide part, and the spring 330 is clamped between the end face of the clamp head 312 and the second guide part 232; this structural design can further limit the movement trajectory of the lock tongue, so that it can only move in a single direction, so that the lock tongue can be accurately inserted into the slot for matching; and when the clamp head is inserted into the slot, the clamp head part structure is also located inside the guide groove, which can also achieve the dispersion and transfer of part of the force to a certain extent, and prevent damage to parts.

[0042] Furthermore, the handle assembly 340 includes a pull block 341 and a stop block 342. The pull block 341 is fixedly installed on the end of the pull rod 320 by a pin; the stop block 342 is movably mounted on the end of the pull rod 320, on the side of the pull block close to the center of the pull rod, and the stop block is limited by a retaining spring clamped on the pull rod, so that the stop block slides against the wall of the pull block; the stop block can be adjusted to rotate and swing independently to a position parallel to the rotating shaft, forming a blocking limit above the end of the pull rod; with this structural design and coordination, the handle assembly can be used as a gripping part to facilitate dragging and adjusting the pull rod to achieve the required unlocking action; and the stop block can be adjusted and rotated independently to a position vertical to the top of the pull rod, thereby playing a blocking and limiting role in this direction, blocking the cables placed on the cantilever frame to prevent them from falling.

[0043] Furthermore, if Figure 3 As shown, a bayonet 250 is provided on the top surface of the end of the cantilever frame 200 corresponding to the stopper, and the opening width of the bayonet 250 is adapted to the thickness of the stopper 342. Figure 7 As shown, the stopper is locked at the bayonet after being rotated and swung upwards to the right position; on the one hand, this design can further limit and block the stopper, preventing the stopper from moving due to the force in the length direction of the pull rod, ensuring that the stopper will not cause the clamping head to be separated from the clamping slot when subjected to force in this direction, thereby maintaining the required locking effect;

[0044] Among them, a recessed groove for accommodating a retaining spring is correspondingly opened on the side wall of the bayonet near the center of the cantilever frame to prevent the retaining spring from affecting the contact and cooperation between the stopper and the bayonet, ensuring that the stopper is smoothly and firmly stuck in the bayonet, and having the required blocking effect on both sides of the stopper, thereby enhancing the supporting effect of the stopper alignment;

[0045] Furthermore, the two wall surfaces of the stopper 342 are respectively fixedly embedded with a first magnet block 343 and a second magnet block 344; the wall surface of the pull block 341 close to the stopper 342 is correspondingly fixedly embedded with a third magnet block 345, and the third magnet block corresponds to the position of the first magnet block. When the stopper 342 swings to the position corresponding to the pull block 341, the first magnet block 343 is magnetically connected with the third magnet block 345;

[0046] A fourth magnet block 260 is fixedly embedded on the side wall of the bayonet 250 near the center of the cantilever frame 200. The fourth magnet block 260 corresponds to the position of the second magnet block 344. When the stop block 342 swings to the position of the bayonet 250, the second magnet block 344 is magnetically connected to the fourth magnet block 260. The position of the stop block is maintained by magnetic attraction, which has a simple structure, low cost, and is easy to use and operate.

[0047] The present invention also discloses a method for using a cable trench mounting bracket, comprising the following steps:

[0048] S1, design the corresponding installation route according to actual needs and working environment, and determine the number of installation brackets and drilling points;

[0049] S2, punching at the punching point;

[0050] S3, install the mounting bracket at the punching point using expansion bolts;

[0051] S4, according to the shape, support and routing requirements of the cable trench, adjust the placement angle of the mounting bracket to provide sufficient support.

[0052] Among them, Figure 8 , Fig. 9 As shown, for the installation bracket with multiple layers of cantilever frames, during the actual operation and construction process, the cantilever frames at the upper position can be adjusted to swing and move closer to the side wall of the cable trench, so as to provide sufficient space for laying cables below, which is convenient for the actual operation and construction;

[0053] Furthermore, when adjusting the angle of the cantilever frame, the handle assembly needs to be dragged outward to compress the spring so that the clamping head is separated from the clamping slot and the lock is released. When the handle assembly is rotated into place, the clamping head is released again and the clamping head is clamped in the clamping slot again to complete the locking.

[0054] Furthermore, when the cantilever frame is adjusted into place and the wiring is completed, the adjustment block is rotated to an upright state and snapped into the snap-in position to form a limit stop at the end of the cantilever frame to prevent the cable from easily detaching from this position.

[0055] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A mounting bracket for a cable trench, characterized in that: Including support base and cantilever frame; At least one supporting block is fixedly provided on the supporting seat, and a plurality of slots are provided on the supporting block; One end of the cantilever frame is rotatably mounted on the support seat, and a locking structure is mounted on the cantilever frame. The locking tongue of the locking structure corresponds to the position of the card slot. After the cantilever frame is rotated and swung into place, the locking tongue is inserted into the corresponding card slot to achieve locking.

2. A cable trench mounting bracket according to claim 1, characterized in that: A frame is fixedly provided at one end of the cantilever frame, and a rotating shaft is fixedly provided at an open end of the frame away from the center. The support seat is provided with shaft clamps correspondingly above and below the support block, and the cantilever frame is rotatably installed between the two shaft clamps through a rotating shaft; The support block is provided with a plurality of vertically arranged slots, which are distributed in a circular array around the axis of the rotating shaft; the locking structure is installed in the middle of the cantilever frame, and the lock tongue is adjusted to telescope to achieve locking and unlocking actions.

3. A cable trench mounting bracket according to claim 2, characterized in that: The upper and lower outer wall surfaces of the frame body are respectively abutted against the ends of the two shaft clamps; The upper and lower inner wall surfaces of the frame body are respectively abutted against the two end surfaces of the support block.

4. A cable trench mounting bracket according to claim 3, characterized in that: The locking structure includes a lock tongue, a pull rod, a spring, and a handle assembly; The locking tongue is fixed on one end of the pull rod, and the handle assembly is installed on the other end of the pull rod; A guide groove and a guide hole that are interconnected are provided in the middle of the cantilever frame, and the guide groove is located at one end close to the frame body; The lock tongue is movably arranged in the guide groove, and the pull rod is arranged in the guide hole; the spring is arranged in the guide groove to provide elastic force for the lock tongue to push outward, so as to maintain the lock tongue and the card slot in a matched locking state; By pulling the handle assembly, the spring is compressed, causing the lock tongue to disengage from the slot, thereby achieving an unlocking action.

5. A cable trench mounting bracket according to claim 4, characterized in that: The lock tongue includes a guide column, one end of which is fixedly connected to the end of the pull rod, and the other end is fixedly provided with a clamping head, which is a strip-shaped plate-like structure, extending along the radial direction of the guide column and passing through the outer wall of the guide column, and the shape of the insertion end of the clamping head is adapted to the shape of the clamping slot; The guide groove includes a first guide part and a second guide part which are connected to each other. The shape of the first guide part is adapted to the shape of the clamp head, and the shape of the second guide part is adapted to the shape of the guide column. The spring is sleeved on the outside of the pull rod, the spring is located in the second guide part, and the spring is clamped between the end face of the clamp head and the second guide part.

6. A cable trench mounting bracket according to claim 5, characterized in that: The handle assembly includes a pull block and a stopper. The pull block is fixedly mounted on the end of the pull rod through a pin. The stopper is movably sleeved on the end of the pull rod and located on the side of the pull block close to the center of the pull rod. The stopper is limited by a clamping spring clamped on the pull rod so that the stopper slides against the wall surface of the pull block. The stopper can be independently rotated and swung to a position parallel to the rotating shaft after adjustment, forming a blocking limit above the end of the pull rod.

7. A cable trench mounting bracket according to claim 6, characterized in that: A bayonet is provided on the top surface of the end of the cantilever frame corresponding to the stopper, the opening width of the bayonet is matched with the thickness of the stopper, and the stopper is clamped at the bayonet after being rotated and swung upwards to a certain position.

8. A cable trench mounting bracket according to claim 7, characterized in that: The two wall surfaces of the stopper are respectively fixedly embedded with a first magnet block and a second magnet block; A third magnet block is fixedly embedded on the wall surface of the pulling block close to the stop block, and the position of the third magnet block corresponds to the position of the first magnet block. When the stop block swings to the position corresponding to the pulling block, the first magnet block is magnetically connected with the third magnet block; A fourth magnet block is fixedly embedded on the side wall of the bayonet near the center of the cantilever frame, and the fourth magnet block corresponds to the position of the second magnet block. When the stopper swings to the bayonet position, the second magnet block is magnetically connected with the fourth magnet block.

9. A method for using a cable trench mounting bracket, characterized in that: The following steps are involved: S1, design the corresponding installation route according to actual needs and working environment, and determine the number of installation brackets and drilling points; S2, punching at the punching point; S3, install the mounting bracket at the punching point using expansion bolts; S4, according to the shape, support requirements and routing requirements of the cable trench; adapt and adjust the placement angle of the mounting bracket to provide sufficient support.

10. The method for using the cable trench mounting bracket according to claim 9, characterized in that: When adjusting the angle of the cantilever, you need to drag the handle assembly outward to compress the spring, so that the clamp head is separated from the slot and unlocked. When it is rotated into place, release the handle assembly, and the clamp head is locked in the slot again to complete the locking. Furthermore, when the cantilever frame is adjusted into place and the wiring is completed, the adjustment block is rotated to an upright state and snapped into the snap-in position to form a limit stop at the end of the cantilever frame to prevent the cable from easily detaching from this position.

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