Additional hook for motorcycle

Abstract

The utility model relates to the technical field of motorcycle accessories, in particular to an additional hook for a motorcycle. The device comprises a fixing frame and a hook rotationally connected with one side of the lower end of the fixing frame, a fixing through hole is formed in the middle of the fixing frame, a mounting bolt penetrating through the fixing through hole to be matched with a mounting threaded hole of a motorcycle is arranged on the side, close to the hook, of the fixing frame, a bent part is arranged at the end, away from rotation, of the hook, and ratchets are arranged on the side, close to the top end of the fixing frame, of the bent part. A movable groove is formed in the top of the fixing frame, a movable block slidably connected with the inner wall of the movable groove is installed in the movable groove, a pawl matched with the ratchet is arranged on the side, close to the ratchet, of the movable block, and a lock control mechanism capable of promoting the movable block to drive the pawl to be close to or away from the ratchet is arranged between the movable block and the movable groove. After the prior art is improved, when articles do not need to be hung, the hook can be rotated, folded and locked to the position close to the fixing frame, space is saved, and meanwhile loss caused by scratching clothes when people get on and get off a vehicle can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to motorcycle accessory technology field especially relates to a kind of for motorcycle's add-on hook. BACKGROUND

[0002] Motorcycle is a kind of convenient traffic tool, is widely used in city and country. However, with the increasing demand of motorcycle user to vehicle function, especially when the need to carry articles in daily life, traditional motorcycle design often cannot meet these needs. Therefore, add-on hook becomes a common solution to enhance the practicability of motorcycle. The existing helmet hook is mostly fixed, not flexible enough to use.

[0003] Therefore, the Chinese patent document with publication number CN208881987U discloses a non-motor vehicle helmet hook device, which includes a fixing assembly for cooperating with a mounting threaded hole of a non-motor vehicle, the fixing assembly is provided with a mounting bolt at one end in contact with the mounting threaded hole, and the lower end of the fixing assembly is provided with a mounting shaft for fixing a hook set. The hook set includes at least two hooks, and any one hook is provided with a mounting piece for cooperating with the mounting shaft to enable the hook to rotate along the axial direction of the mounting shaft. Although the cooperation between the mounting piece and the mounting shaft enables the hook to rotate along the axial direction of the mounting shaft to adjust the angle between adjacent hooks, when the hanging object is not needed, the hook cannot be retracted to avoid scratching the clothes when getting on or off the vehicle, which may cause damage.

[0004] Therefore, it is necessary to improve the deficiencies of the above prior art. SUMMARY

[0005] The technical problem to be solved by the utility model lies in the deficiencies of the above prior art, and provides an add-on hook for motorcycle to solve the problem that the hook cannot be retracted when the hanging object is not needed in the prior art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an add-on hook for motorcycle, including fixed frame and the hook that is rotationally connected with the lower end one side of fixed frame, the fixed frame middle part is equipped with fixed through-hole, and the fixed frame is equipped with the mounting bolt that is passed through fixed through-hole and cooperates with the mounting threaded hole of motorcycle on the side close to hook, the hook is equipped with the bending part away from rotation one end, and the bending part is equipped with ratchet on the side close to the top end of fixed frame, the fixed frame top is equipped with movable slot, and the movable slot is installed with the movable block that is slidably connected with movable slot inner wall, the movable block is equipped with the pawl that cooperates with ratchet on the side close to ratchet, and the lock control mechanism that can make movable block drive pawl close to or away from ratchet is equipped between movable block and movable slot.

[0007] According to the above technical scheme, when the hook needs to be retracted, the hook is rotated to drive the bent part to move the ratchet closer to the pawl on the movable block. When the ratchet presses the pawl, the pawl is stressed and drives the movable block to move along the movable slot until the tips of the ratchet and the pawl are misaligned. At this time, the movable block drives the pawl to reset through the lock control mechanism, so that the pawl limits the ratchet to prevent the hook from being accidentally turned out due to vibration. When the hook needs to be used, the movable block drives the pawl away from the ratchet through the lock control mechanism to release the restriction on the hook, and then the hook can be turned out. Therefore, when the hanging object is not needed, the hook can be rotated and retracted to be locked close to the fixed frame, saving space and avoiding damage to clothes caused by scratching and tearing when getting on and off the vehicle.

[0008] The further arrangement of the above technical scheme is that the lock control mechanism includes pressers arranged on both sides of the fixed frame, a limiting ring limiting the pressers, and a spring arranged between the bottom of the movable block and the bottom of the movable slot. The presser is provided with an extrusion column on the side close to the movable block, and the end of the extrusion column is provided with a first inclined surface. The movable block is provided with an inclined surface groove on both sides, and the lower end of the inclined surface groove is provided with a second inclined surface always abutting against the first inclined surface. The fixed frame is provided with a press groove on both sides for sliding installation of the presser, and the bottom of the press groove is provided with an extrusion through hole for sliding of the extrusion column. The limiting ring is in interference fit with the press groove.

[0009] According to the above technical scheme, when the hook needs to be retracted, the hook is rotated to drive the bent part to move the ratchet closer to the pawl on the movable block. When the ratchet presses the pawl, the pawl is stressed and drives the movable block to move along the movable slot until the tips of the ratchet and the pawl are misaligned. At this time, the movable block drives the pawl to reset through the lock control mechanism, so that the pawl limits the ratchet to prevent the hook from being accidentally turned out due to vibration. When the hook needs to be used, the movable block drives the pawl away from the ratchet through the lock control mechanism to release the restriction on the hook, and then the hook can be turned out. Therefore, when the hanging object is not needed, the hook can be rotated and retracted to be locked close to the fixed frame, saving space and avoiding damage to clothes caused by scratching and tearing when getting on and off the vehicle.

[0010] The further arrangement of the above technical scheme is that the bottom of the movable block and the bottom of the movable slot are both provided with a limiting groove limiting the spring, and the two ends of the spring are respectively arranged in the limiting grooves.

[0011] According to the above technical scheme, by arranging the two ends of the spring in the limiting grooves arranged at the bottom of the movable block and the bottom of the movable slot, the stress on the spring can be more uniform and stable. This design ensures that the spring can maintain good performance during compression and reset, thereby improving the reliability and durability of the entire mechanism.

[0012] Further settings of the above technical scheme are that the fixed frame is provided with a containing groove above the movable groove, the containing groove is adapted to the bending part, the top surface of the bending part is flush with the top surface of the fixed frame in the storage state, and the side surface of the bending part of the hook can abut against the inner wall of the containing groove.

[0013] With the above technical scheme, when the hook is in the storage state, the bending part is embedded in the containing groove, so that the top surface of the bending part is flush with the top surface of the fixed frame, thereby improving the overall aesthetics. In addition, the side surface of the bending part of the hook can abut against the inner wall of the containing groove, thereby further enhancing the stability of the hook.

[0014] Further settings of the above technical scheme are that the hook is provided with a rotating shaft hole at one end away from the bending part, the rotating shaft hole is slidably connected with a rotating shaft, the side surface of the rotating shaft is provided with a pin, the rotating shaft hole is connected with a pin groove adapted to the pin, the bottom end of the fixed frame is provided with shaft mounting holes for mounting the rotating shaft, the outer side of the shaft mounting hole is provided with a sunken groove, the sunken groove is fitted with a cover plate, the two ends of the rotating shaft are provided with circular bosses, the side surface of the cover plate is provided with rotating grooves adapted to the circular bosses, the pin side surface and the cover plate side surface are both provided with insertion holes for limiting and fixing the torsion spring.

[0015] With the above technical scheme, when the hook is stored, the hook and the rotating shaft are fixedly connected in the circumferential direction through the pin and the pin groove, so that when the hook rotates, the rotating shaft rotates together, at this time, the torsion spring is twisted and generates torsion. Therefore, when the hook is unlocked, the hook is automatically ejected under the elastic action of the torsion spring, and the hook is more stable in the open state.

[0016] Further settings of the above technical scheme are that the middle part of the hook is provided with an arc-shaped groove recessed towards the other side of the fixed frame.

[0017] With the above technical scheme, by providing the arc-shaped groove in the middle part of the hook, the front and back sliding of the suspended object can be effectively prevented, thereby improving the stability of the suspension.

[0018] Further settings of the above technical scheme are that the side away from the hook of the fixed frame is provided with a mounting washer sleeved on the outer periphery of the mounting bolt.

[0019] With the above technical scheme, the mounting washer can prevent loosening and shock after installation.

[0020] The beneficial effects achieved by the utility model are as follows: when the suspended object is not needed, the hook can be rotated and stored and locked close to the fixed frame, thereby saving space and avoiding loss caused by scratching clothes when getting on and off the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the structure schematic diagram of the hook open state of the embodiment of the utility model;

[0022] Figure 2 is the structure schematic diagram of the hook folding state of the embodiment of the utility model;

[0023] Figure 3 is Figure 2 the A-A section view in middle A;

[0024] Figure 4 is the explosion structure schematic diagram of the embodiment of the utility model;

[0025] Figure 5 is Figure 4 the partial view in middle A;

[0026] Figure 6 is the structure schematic diagram of the fixed frame in the embodiment of the utility model.

[0027] Marked in the figure: 1-fixed frame, 10-fixed through hole, 11-movable groove, 12-pressing groove, 13-extrusion through hole, 14-limiting groove, 15-containing groove, 16-shaft mounting hole, 17-sunken groove, 18-mounting washer, 2-hook, 20-rotating shaft hole, 200-pin groove, 21-bent part, 22-ratchet, 23-rotating shaft, 231-pin, 232-circular boss, 24-arc-shaped recess, 3-mounting bolt, 4-movable block, 41-pawl, 42-inclined groove, 421-second inclined surface, 5-pressing piece, 51-extrusion column, 511-first inclined surface, 6-limiting ring, 7-spring, 8-cover plate, 80-rotating recess, 81-socket, 9-torsional spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] As Figures 1-6As shown in the figure, a motorcycle is provided with a hook, which comprises a fixing frame 1 and a hook 2 rotatably connected to one side of the lower end of the fixing frame 1. A fixed through hole 10 is formed in the middle of the fixing frame 1. An installation bolt 3 is arranged on one side of the fixing frame 1 close to the hook 2, which passes through the fixed through hole 10 and cooperates with the installation threaded hole of the motorcycle. A bending part 21 is arranged on the end of the hook 2 away from the rotating end. A ratchet 22 is arranged on one side of the bending part 21 close to the top end of the fixing frame 1. An active slot 11 is formed in the top of the fixing frame 1. An active block 4 is installed in the active slot 11 and is slidably connected to the inner wall of the active slot 11. A pawl 41 is arranged on one side of the active block 4 close to the ratchet 22. A lock control mechanism is arranged between the active block 4 and the active slot 11, which can drive the pawl 41 to move close to or away from the ratchet 22. The lock control mechanism comprises a pressing piece 5 arranged on both sides of the fixing frame 1, a limiting ring 6 for limiting the pressing piece 5, and a spring 7 arranged between the bottom of the active block 4 and the bottom of the active slot 11. A pressing column 51 is arranged on one side of the pressing piece 5 close to the active block 4. A first inclined surface 511 is arranged on the end of the pressing column 51. Inclined surface grooves 42 are arranged on both sides of the active block 4. A second inclined surface 421 is arranged on the lower end of the inclined surface groove 42 and always abuts against the first inclined surface 511. Pressing grooves 12 are arranged on both sides of the fixing frame 1 for slidably installing the pressing piece 5. A pressing through hole 13 is arranged on the bottom of the pressing groove 12 for the pressing column 51 to slide through. The limiting ring 6 is in interference fit with the pressing groove 12. Limiting grooves 14 are arranged on the bottom of the active block 4 and the bottom of the active slot 11 for limiting the spring 7. The both ends of the spring 7 are respectively arranged in the limiting grooves 14. A containing groove 15 is arranged above the active slot 11 of the fixing frame 1 and is adapted to the bending part 21. The top surface of the bending part 21 is flush with the top surface of the fixing frame 1 when the bending part 21 is in the retracted state. The side surface of the bending part 21 of the hook 2 can abut against the inner wall of the containing groove 15.

[0030] As shown in the figure, Figure 4 , 5 As shown in the figure, the end of the hook 2 away from the bending part 21 is provided with a rotating shaft hole 20. A rotating shaft 23 is slidably connected to the rotating shaft hole 20. A pin 231 is arranged on the circumferential surface of the rotating shaft 23. The rotating shaft hole 20 is connected with a pin groove 200 adapted to the pin 231. Shaft installation holes 16 are arranged on both sides of the bottom end of the fixing frame 1 for installing the rotating shaft 23. Sunk grooves 17 are arranged on the outer side of the shaft installation holes 16. A cover plate 8 is in interference fit installed in the sunk grooves 17. Circular bosses 232 are arranged on both ends of the rotating shaft 23. Rotating grooves 80 adapted to the circular bosses 232 are arranged on the side surface of the cover plate 8. A torsion spring 9 is sleeved on the outer circumferences of both ends of the rotating shaft 23, one end of which is connected to the side surface of the pin 231 and the other end of which is connected to the side surface of the cover plate 8. Insert holes 81 for limiting and fixing the torsion spring 9 are arranged on the side surface of the pin 231 and the side surface of the cover plate 8.

[0031] As shown in the figure, Figure 1 , 2As shown in the figure, the middle part of the hook 2 facing the fixed frame 1 is provided with an arc-shaped recess 24 recessed to the other side, and the side of the fixed frame 1 away from the hook 2 is provided with a mounting washer 18 sleeved on the outer periphery of the mounting bolt 3.

[0032] In the above embodiment, when the hook 2 needs to be folded, the hook 2 is rotated to drive the ratchet 22 to approach the pawl 41 on the movable block 4. When the ratchet 22 abuts against the pawl 41, the pawl 41 is forced to drive the movable block 4 to move along the movable groove 11 and compress the spring 7 until the tips of the ratchet 22 and the pawl 41 are out of position. At this time, under the elastic force of the spring 7, the movable block 4 drives the pawl 41 to reset, so that the pawl 41 limits the ratchet 22, preventing the hook 2 from being accidentally turned out due to vibration. When the hook 2 needs to be used, the pressing member 5 is pressed from both sides of the fixed frame 1 to drive the first inclined surface 511 of the extrusion column 51 to extrude the second inclined surface 421 of the two-side inclined surface groove 42 of the movable block 4, so that the movable block 4 drives the pawl 41 to move away from the ratchet 22 to release the limitation of the hook 2, and then the hook 2 can be turned out. After the pressing member 5 is released, the movable block 4 is reset under the elastic force of the spring 7, and at the same time, the second inclined surface 421 reversely extrudes the first inclined surface 511 to make the pressing member 5 reset. Therefore, when the hanging object is not needed, the hook 2 can be rotated to be folded and locked close to the fixed frame 1, saving space and avoiding scratching clothes during getting on and off the vehicle.

Claims

1. A mounting hook for a motorcycle, comprising a mounting bracket and a hook rotatably connected to one side of the lower end of the mounting bracket, wherein the mounting bracket has a fixing through hole in the middle, and the mounting bracket has a mounting bolt passing through the fixing through hole and engaging with a mounting threaded hole on the motorcycle near the hook, and the hook has a bent portion at the end away from rotation, characterized in that: The side close to the top end of the fixed frame of the bending part is provided with a ratchet, the top of the fixed frame is provided with a movable slot, a movable block in sliding connection with the inner wall of the movable slot is installed in the movable slot, the side close to the ratchet of the movable block is provided with a pawl matched with the ratchet, and a lock control mechanism capable of driving the pawl to approach or move away from the ratchet is arranged between the movable block and the movable slot.

2. A retrofittable hitch for a motorcycle as claimed in claim 1, characterised in that: The lock control mechanism comprises pressing pieces arranged on both sides of the fixed frame, a limiting ring limiting the pressing pieces, and a spring arranged between the bottom of the movable block and the bottom of the movable slot, the side close to the movable block of the pressing piece is provided with a pressing column, the end of the pressing column is provided with a first inclined surface, the two sides of the movable block are provided with inclined grooves, the lower end of the inclined groove is provided with a second inclined surface always in abutment with the first inclined surface, pressing grooves are arranged on both sides of the fixed frame for sliding installation of the pressing pieces, the bottom of the pressing groove is provided with a pressing through hole for sliding passage of the pressing column, and the limiting ring is in interference fit with the pressing groove.

3. A retrofittable hitch for a motorcycle as claimed in claim 2, characterised in that: The bottom of the movable block and the bottom of the movable slot are both provided with a limiting groove limiting the spring, and the two ends of the spring are respectively arranged in the limiting grooves.

4. A retrofittable hitch for a motorcycle as claimed in claim 3, characterised in that: The fixed frame is provided with a containing groove matched with the bending part above the movable slot, the top surface of the bending part is flush with the top surface of the fixed frame in the folded state, and the side surface of the bending part of the hook can abut against the inner wall of the containing groove.

5. A retrofit tow hitch for a motorcycle as claimed in any one of claims 1 to 4, characterised in that: The end away from the bending part of the hook is provided with a rotating shaft hole, the rotating shaft hole is in sliding connection with a rotating shaft, the circumferential surface of the rotating shaft is provided with a pin, the rotating shaft hole is connected with a pin groove matched with the pin, both sides of the bottom end of the fixed frame are provided with shaft mounting holes for mounting the rotating shaft, the outer side of the shaft mounting hole is provided with a sunken groove, the sunken groove is in interference fit with a cover plate, both ends of the rotating shaft are provided with a circular boss, the side surface of the cover plate is provided with a rotating groove matched with the circular boss, both ends of the rotating shaft are provided with a torsional spring with one end connected with the side surface of the pin and the other end connected with the side surface of the cover plate, and the side surface of the pin and the side surface of the cover plate are both provided with a jack for limiting and fixing the torsional spring.

6. A retrofittable hitch for a motorcycle as claimed in claim 5, characterised in that: The side of the middle part of the hook facing the fixed frame is provided with an arc-shaped recess recessed to the other side.

7. A retrofittable hitch for a motorcycle as claimed in claim 6, characterised in that: The side away from the hook of the fixed frame is provided with a mounting washer sleeved on the periphery of the mounting bolt.

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