Vehicle-mounted bicycle fixing device
By using a combination of locking parts, shock-absorbing clamping blocks and elastic parts on the on-board bicycle frame, the problem of easy damage to the cable ties in bumpy roads causes the bicycle to slide or tilt, achieving a more stable and durable bicycle fixation effect.
Patent Information
- Application Number
- CN202421462052.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-25
AI Technical Summary
When the existing bicycle frame is bumpy, the cable ties are easily damaged, causing the connection between the bicycle and the bicycle frame to be loose, causing the bicycle to slide or tilt.
Car bicycle fixing device including locking parts, shock absorbing clamping blocks and elastic parts is adopted. The locking member ensures a stable connection between the bicycle and the carriage through the cooperation of the rack and the clamping teeth; the shock-absorbing clamping block and clamping sleeve are used for shock absorption and stability; the elastic member is used to buffer vibration and reduces the pressure at the connection between the clamping block teeth and the rack.
Effectively prevent the bicycle from sliding or tilting during bumpy roads, reduce the risk of cable ties damage, and improve the stability and durability of the bicycle and the carriage.
Smart Images

Figure CN222682330U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle-mounted bicycle transportation, and in particular to a vehicle-mounted bicycle fixing device. Background Art
[0002] A vehicle-mounted bicycle rack is a device used to fix bicycles on the vehicle body for transporting bicycles. Different types of vehicle-mounted bicycle racks can fix bicycles to the rear hanging, rear mounting, and roof mounting of the vehicle body, etc. The vehicle-mounted bicycle rack and the bicycle are fixed by fixing devices to prevent the bicycle from sliding or tilting.
[0003] At present, some vehicle-mounted bicycle racks are fixed to the bicycles by cable ties. When the vehicle body is running on a bumpy road, the bumping of the vehicle body is likely to cause damage to the connection of the cable ties, which can easily cause the connection between the bicycle and the bicycle rack to loosen, thereby causing the bicycle to slide or tilt. Utility Model Content
[0004] In order to improve the related technology, some current vehicle-mounted bicycle racks are fixed to bicycles by cable ties. When the vehicle body is running on a bumpy road, the bumping of the vehicle body is likely to cause damage to the connection between the cable ties, which can easily cause the connection between the bicycle and the bicycle rack to loosen, thereby causing the bicycle to slide or tilt. The present application provides a vehicle-mounted bicycle fixing device.
[0005] The present application provides a vehicle-mounted bicycle fixing device, which adopts the following technical solution:
[0006] A vehicle-mounted bicycle fixing device comprises a locking piece, the locking piece comprises a shell, a locking block and a rack, one end of the rack is fixed in the shell, the shell is provided with an insertion groove for the other end of the rack to pass through, the locking block is arranged on the side wall of the insertion groove, the locking block comprises a pressing end and a clamping end, the locking block is rotatably connected to the insertion groove, the pressing end is exposed from the insertion groove, the clamping end is provided with a clamping tooth for clamping with the rack, an elastic piece is also arranged on the side wall of the insertion groove, one end of the elastic piece abuts against the locking block, and the other end of the elastic piece abuts against the shell, the elastic piece is used to maintain the clamping state of the clamping tooth and the rack, a shock-absorbing clamping block is arranged on the shell, a clamping sleeve matching the shock-absorbing clamping block is sleeved on the rack, and the shock-absorbing clamping block and the clamping sleeve are used to clamp objects.
[0007] Optionally, a lock core is provided in the shell, a lock opening for exposing the lock core is provided on the shell, a lock rod is provided at the output end of the lock core, a transmission block is connected to the lock rod, and the end of the transmission block away from the lock rod is connected to the fastening block, and when the lock hole of the lock core is rotated, the lock rod drives the engaging teeth on the transmission block to separate from the rack.
[0008] Optionally, a rotating rod is provided on the locking block, and a rotating groove for inserting the rotating rod is provided on the side wall of the insertion groove, and the locking block is rotatably connected to the side wall of the insertion groove via the rotating rod and the rotating groove, and the elastic member is a torsion spring, which is provided on the rotating rod, and an abutment rod is provided on the shell, one end of the torsion spring abuts against the locking block, and the other end of the torsion spring is connected to the abutment rod.
[0009] Optionally, a one-way block is rotatably connected to the side wall of the insertion slot, one end of the one-way block is provided with a one-way tooth that cooperates with the rack, and the one-way block is provided with a movable hole for the pressing end to move, and the pressing end is inserted into the movable hole.
[0010] Optionally, a movable groove is provided on the one-way block, and a movable rod is provided on the side wall of the insertion groove, the movable rod is inserted into the movable groove, the one-way block is rotatably connected to the side wall of the insertion groove through a second connecting rod and the movable groove, a torsion spring is sleeved on the movable rod, one end of the torsion spring abuts against the one-way block, and the other end of the torsion spring is wrapped around the rotating rod.
[0011] Optionally, the shock-absorbing clamping block is made of elastic material.
[0012] Optionally, it also includes a stretching rod, which includes a sleeve rod and an extension rod, the extension rod is inserted into the sleeve rod, one end of the sleeve rod is provided with an opening for the extension rod to extend out, the end of the extension rod away from the extension opening is provided with a stud, the sleeve rod is provided with a hole for the screw to pass through, and the stud is provided with a nut.
[0013] Optionally, locking pieces are provided at both ends of the stretching rod, the locking piece at one end of the stretching rod is used to connect to the bicycle body, and the locking piece at the other end of the stretching rod is used to connect to the vehicle-mounted bicycle frame.
[0014] Optionally, the locking piece is arranged at one end of the stretching rod, and the other end of the stretching rod is provided with a gripping piece.
[0015] Optionally, the gripping member includes two gripping claws arranged opposite to each other, the two gripping claws are rotatably connected, a gripping rod is provided on the stretching rod, a gripping hole for the gripping rod to pass through is provided on the gripping claw, a thread is provided on the gripping rod, and a nut is provided on the thread.
[0016] By adopting the above technical scheme, the bicycle body or the on-vehicle bicycle frame is clamped by the shock-absorbing clamping block and the clamping sleeve. When the vehicle body passes through a bumpy section, the shock-absorbing clamping piece can play a certain shock-absorbing role, and can reduce the pulling amplitude of the rack during bumpy vibration. The elastic piece makes the clamping block's teeth and the rack tightly clamped. When vibration occurs, the elastic piece can also play a certain buffering role on the clamping block. When the vehicle body is bumpy, the pressure at the connection between the clamping block's teeth and the rack can be reduced, which improves the situation that when the vehicle body runs on a bumpy section, the bumping of the vehicle body is easy to cause damage to the connection of the cable tie, which is easy to cause the connection between the bicycle and the bicycle frame to loosen, thereby causing the bicycle to slide or tilt. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments and their drawings can be obtained based on the embodiments shown in these drawings without paying creative work.
[0018] Figure 1 The internal structure of the locking member in the embodiment is shown in FIG. Figure 1 .
[0019] Figure 2 The internal structure of the locking member in the embodiment is shown in FIG. Figure 2 .
[0020] Figure 3 It is a structural diagram of embodiment 1.
[0021] Figure 4 yes Figure 3 A magnified schematic diagram of center A.
[0022] Figure 5 yes Figure 1 A magnified schematic diagram of point B in the middle.
[0023] Figure 6 yes Figure 2 Enlarged schematic diagram of point C in the middle.
[0024] Figure 7 Schematic diagram of the internal structure of the housing in the embodiment.
[0025] Figure 8 It is a structural diagram of the second embodiment.
[0026] In the figure: 1. lock core; 2. lock mouth; 3. lock rod; 4. gripping hole; 5. transmission block; 6. locking piece; 61. shell; 62. fastening block; 63. rack; 621. pressing end; 622. clamping end; 7. insertion slot; 8. clamping tooth; 9. elastic member; 10. shock-absorbing clamping block; 11. clamping sleeve; 12. rotating rod; 13. rotating slot; 14. abutting rod; 15. one-way block; 16. one-way tooth; 17. movable hole; 18. movable rod; 19. movable slot; 20. stretching rod; 201. sleeve rod; 202. extension rod; 21. stud; 22. gripping piece; 221. gripping claw; 23. gripping rod. DETAILED DESCRIPTION
[0027] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the various embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] The embodiment of the utility model provides a vehicle-mounted bicycle fixing device.
[0029] Embodiment 1
[0030] Reference Figures 1 to 7 A bicycle fixing device for a vehicle includes a locking member 6, the locking member 6 includes a housing 61, a buckling block 62 and a rack 63, one end of the rack 63 is fixed in the housing 61, the housing 61 is provided with an insertion groove 7 for the other end of the rack 63 to pass through, the buckling block 62 is arranged on the side wall of the insertion groove 7, the buckling block 62 includes a pressing end 621 and a clamping end 622, the buckling block 62 is rotatably connected to the insertion groove 7, the pressing end 621 is exposed from the insertion groove 7, and the clamping end 622 is provided with a clamping tooth 8 for clamping with the rack 63, and an elastic member 9 is also provided on the side wall of the insertion groove 7. One end of the elastic member 9 abuts against the fastening block 62, and the other end of the elastic member 9 abuts against the shell 61. The elastic member 9 is used to maintain the clamping state of the clamping tooth 8 and the rack 63. A shock-absorbing clamping block 10 is provided on the shell 61, and a clamping sleeve 11 that cooperates with the shock-absorbing clamping block 10 is sleeved on the rack 63. The shock-absorbing clamping block 10 and the clamping sleeve 11 are used to clamp objects.
[0031] A lock core 1 is arranged in the shell 61, and a lock opening 2 for exposing the lock core 1 is arranged on the shell 61, a lock rod 3 is arranged at the output end of the lock core 1, a transmission block 5 is connected to the lock rod 3, and the end of the transmission block 5 away from the lock rod 3 is connected to the fastening block 62. When the lock hole of the lock core 1 is rotated, the lock rod 3 drives the engaging tooth 8 on the transmission block 5 to separate from the rack 63.
[0032] A rotating rod 12 is provided on the locking block 62, and a rotating groove 13 for inserting the rotating rod 12 is provided on the side wall of the insertion groove 7. The locking block 62 is rotatably connected to the side wall of the insertion groove 7 through the rotating rod 12 and the rotating groove 13. The elastic member 9 adopts a torsion spring, which is provided on the rotating rod 12. An abutment rod 14 is provided on the shell 61, one end of the torsion spring abuts against the locking block 62, and the other end of the torsion spring is connected to the abutment rod 14.
[0033] When unlocking, when the lock hole is rotated by the key, the lock rod 3 will rotate with the lock hole, and then the lock rod 3 drives the transmission block 5 to press the pressing end 621 downward, so that the pressing end 621 squeezes the elastic member 9, so that the clamping end 622 is lifted, and the clamping tooth 8 is separated from the rack 63, and the rack 63 can be pulled out from the insertion groove 7, thereby completing the unlocking of the rack 63.
[0034] A one-way block 15 is rotatably connected to the side wall of the insertion slot 7 , one end of which is provided with a one-way tooth 16 cooperating with the rack 63 , and a movable hole 17 for the pressing end 621 to move is provided on the one-way block 15 , and the pressing end 621 is inserted into the movable hole 17 .
[0035] By rotating the one-way block 15, the one-way tooth 16 can be matched with the rack 63. A guide surface is provided on the one-way tooth 16, which can enable the rack 63 to be inserted into the insertion groove 7. Rotating the one-way block 15 to make the one-way tooth 16 match with the rack 63 can prevent the rack 63 from slipping out of the insertion groove 7.
[0036] A movable groove 19 is provided on the one-way block 15, and a movable rod 18 is provided on the side wall of the insertion groove 7. The movable rod 18 is inserted into the movable groove 19. The one-way block 15 is rotatably connected to the side wall of the insertion groove 7 through the second connecting rod and the movable groove 19. A torsion spring is sleeved on the movable rod 18, one end of the torsion spring abuts against the one-way block 15, and the other end of the torsion spring is wound around the rotating rod 12.
[0037] The shock-absorbing clamping block 10 is made of elastic material and further comprises a stretching rod 20, which comprises a sleeve rod 201 and an extension rod 202, wherein the extension rod 202 is inserted into the sleeve rod 201, one end of the sleeve rod 201 is provided with an opening for the extension rod 202 to extend out, and one end of the extension rod 202 away from the extension opening is provided with a stud 21, the sleeve rod 201 is provided with a hole for the screw to pass through, and a nut is provided on the stud 21.
[0038] The length by which the extension rod 202 can slide out of the sleeve rod 201 can be controlled by adjusting the position of the nut on the stud 21 .
[0039] The locking member 6 is arranged at one end of the stretching rod 20, and the other end of the stretching rod 20 is provided with a gripping member 22. The gripping member 22 includes two gripping claws 221 arranged facing each other, and the two gripping claws 221 are rotatably connected. The stretching rod 20 is provided with a gripping rod 23, and the gripping claws 221 are provided with a gripping hole 4 for the gripping rod 23 to pass through. The gripping rod 23 is provided with a thread, and a nut is provided on the thread.
[0040] By loosening the nut to enlarge the distance between the two gripping claws, the two gripping claws are then buckled onto the vehicle-mounted bicycle connecting frame, and the nut is then tightened to complete the installation of the gripping member 22 and the vehicle-mounted bicycle connecting frame.
[0041] When the locking member 6 fixes the bicycle body, the bicycle frame is first set between the shock-absorbing clamping block 10 and the clamping sleeve 11, and then the lock is unlocked. The pressing end 621 squeezes the elastic member 9 so that the lock rod 3 drives the engaging tooth 8 on the transmission block 5 to separate from the rack 63, and the rack 63 is inserted into the insertion groove 7. The rack 63 is pulled to make the shock-absorbing clamping block 10 and the clamping sleeve 11 close to the bicycle frame, and the one-way block 15 is rotated to make the one-way tooth 16 cooperate with the rack 63, so as to prevent the rack 63 from slipping out of the insertion groove 7, and then the lock cylinder 1 is locked, the elastic member 9 is restored to make the engaging tooth 8 abut against the rack 63, and then the one-way block 15 is released, and the torsion spring makes the one-way block 15 rotate, thereby separating the one-way tooth 16 from the rack 63.
[0042] When the locking piece needs to be removed from the bicycle body, the lock is unlocked so that the locking rod 3 drives the engaging teeth 8 on the transmission block 5 to separate from the rack 63, and then the pressing end 621 squeezes the elastic member 9 so that the locking rod 3 drives the engaging teeth 8 on the transmission block 5 to separate from the rack 63, and then the rack 63 can be slid out of the insertion groove 7.
[0043] Embodiment 2
[0044] Reference Figure 1 to Figure 2 A bicycle fixing device for a vehicle includes a locking member 6, the locking member 6 includes a housing 61, a buckling block 62 and a rack 63, one end of the rack 63 is fixed in the housing 61, the housing 61 is provided with an insertion groove 7 for the other end of the rack 63 to pass through, the buckling block 62 is arranged on the side wall of the insertion groove 7, the buckling block 62 includes a pressing end 621 and a clamping end 622, the buckling block 62 is rotatably connected to the insertion groove 7, the pressing end 621 is exposed from the insertion groove 7, and the clamping end 622 is provided with a clamping tooth 8 for clamping with the rack 63, and an elastic member 9 is also provided on the side wall of the insertion groove 7. One end of the elastic member 9 abuts against the fastening block 62, and the other end of the elastic member 9 abuts against the shell 61. The elastic member 9 is used to maintain the clamping state of the clamping tooth 8 and the rack 63. A shock-absorbing clamping block 10 is provided on the shell 61, and a clamping sleeve 11 that cooperates with the shock-absorbing clamping block 10 is sleeved on the rack 63. The shock-absorbing clamping block 10 and the clamping sleeve 11 are used to clamp objects.
[0045] Reference Figure 5 to Figure 6 A lock core 1 is arranged in the shell 61, and a lock port 2 for exposing the lock core 1 is arranged on the shell 61. A lock rod 3 is arranged at the output end of the lock core 1, and a transmission block 5 is connected to the lock rod 3. The end of the transmission block 5 away from the lock rod 3 is connected to the fastening block 62. When the lock hole of the lock core 1 is rotated, the lock rod 3 drives the engaging tooth 8 on the transmission block 5 to separate from the rack 63.
[0046] A rotating rod 12 is provided on the locking block 62, and a rotating groove 13 for inserting the rotating rod 12 is provided on the side wall of the insertion groove 7. The locking block 62 is rotatably connected to the side wall of the insertion groove 7 through the rotating rod 12 and the rotating groove 13. The elastic member 9 adopts a torsion spring, which is provided on the rotating rod 12. An abutment rod 14 is provided on the shell 61, one end of the torsion spring abuts against the locking block 62, and the other end of the torsion spring is connected to the abutment rod 14.
[0047] When unlocking, when the lock hole is rotated by the key, the lock rod 3 will rotate with the lock hole, and then the lock rod 3 drives the transmission block 5 to press the pressing end 621 downward, so that the pressing end 621 squeezes the elastic member 9, so that the clamping end 622 is lifted, and the clamping tooth 8 is separated from the rack 63, and the rack 63 can be pulled out from the insertion groove 7, thereby completing the unlocking of the rack 63.
[0048] A one-way block 15 is rotatably connected to the side wall of the insertion slot 7 , one end of which is provided with a one-way tooth 16 cooperating with the rack 63 , and a movable hole 17 for the pressing end 621 to move is provided on the one-way block 15 , and the pressing end 621 is inserted into the movable hole 17 .
[0049] By rotating the one-way block 15, the one-way tooth 16 can be matched with the rack 63. A guide surface is provided on the one-way tooth 16, which can enable the rack 63 to be inserted into the insertion groove 7. Rotating the one-way block 15 to make the one-way tooth 16 match with the rack 63 can prevent the rack 63 from slipping out of the insertion groove 7.
[0050] A movable groove 19 is provided on the one-way block 15, and a movable rod 18 is provided on the side wall of the insertion groove 7. The movable rod 18 is inserted into the movable groove 19. The one-way block 15 is rotatably connected to the side wall of the insertion groove 7 through the second connecting rod and the movable groove 19. A torsion spring is sleeved on the movable rod 18, one end of the torsion spring abuts against the one-way block 15, and the other end of the torsion spring is wound around the rotating rod 12.
[0051] The torsion spring is used to reset the one-way block 15 so as to separate the one-way latching tooth 16 from the rack 63 .
[0052] The length by which the extension rod 202 can slide out of the sleeve rod 201 can be controlled by adjusting the position of the nut on the stud 21 .
[0053] Reference Figure 8The shock-absorbing clamping block 10 is made of elastic material. It also includes a stretching rod 20, which includes a sleeve rod 201 and an extension rod 202. The extension rod 202 is inserted into the sleeve rod 201. One end of the sleeve rod 201 is provided with an opening for the extension rod 202 to extend out. The end of the extension rod 202 away from the extension opening is provided with a stud 21. The sleeve rod 201 is provided with a hole for the screw to pass through, and a nut is provided on the stud 21. Both ends of the stretching rod 20 are provided with locking pieces 6. The locking piece 6 at one end of the stretching rod 20 is used to connect with the bicycle body, and the locking piece 6 at the other end of the stretching rod 20 is used to connect with the vehicle-mounted bicycle frame.
[0054] When the locking member 6 fixes the bicycle body, the bicycle frame is first set between the shock-absorbing clamping block 10 and the clamping sleeve 11, and then the lock is unlocked. The pressing end 621 squeezes the elastic member 9 so that the lock rod 3 drives the engaging tooth 8 on the transmission block 5 to separate from the rack 63, and the rack 63 is inserted into the insertion groove 7. The rack 63 is pulled to make the shock-absorbing clamping block 10 and the clamping sleeve 11 close to the bicycle frame, and the one-way block 15 is rotated to make the one-way tooth 16 cooperate with the rack 63, so as to prevent the rack 63 from slipping out of the insertion groove 7, and then the lock cylinder 1 is locked, the elastic member 9 is restored to make the engaging tooth 8 abut against the rack 63, and then the one-way block 15 is released, and the torsion spring makes the one-way block 15 rotate, thereby separating the one-way tooth 16 from the rack 63.
[0055] When the locking member 6 fixes the vehicle-mounted bicycle frame, first, the connection point of the vehicle-mounted bicycle frame is set between the shock-absorbing clamping block 10 and the clamping sleeve 11, and then the lock is unlocked, and the pressing end 621 squeezes the elastic member 9 so that the lock rod 3 drives the engaging tooth 8 on the transmission block 5 to separate from the rack 63, and the rack 63 is inserted into the insertion groove 7, and the rack 63 is pulled to make the shock-absorbing clamping block 10 and the clamping sleeve 11 close to the bicycle frame, and the one-way block 15 is rotated to make the one-way tooth 16 cooperate with the rack 63, so as to prevent the rack 63 from slipping out of the insertion groove 7, and then the lock cylinder 1 is locked, and the elastic member 9 is restored to make the engaging tooth 8 abut against the rack 63, and then the one-way block 15 is released, and the torsion spring makes the one-way block 15 rotate, thereby separating the one-way tooth 16 from the rack 63.
[0056] When the locking piece needs to be removed, the lock is unlocked so that the locking rod 3 drives the engaging tooth 8 on the transmission block 5 to separate from the rack 63, and then the pressing end 621 squeezes the elastic member 9 so that the locking rod 3 drives the engaging tooth 8 on the transmission block 5 to separate from the rack 63, and then the rack 63 can be slid out of the insertion slot 7.
Claims
1. A vehicle-mounted bicycle fixing device, characterized in that: The invention comprises a locking member (6), wherein the locking member (6) comprises a housing (61), a locking block (62) and a rack (63), one end of the rack (63) is fixed in the housing (61), the housing (61) is provided with an insertion groove (7) for the other end of the rack (63) to pass through, the locking block (62) is arranged on the side wall of the insertion groove (7), the locking block (62) comprises a pressing end (621) and a clamping end (622), the locking block (62) is rotatably connected to the insertion groove (7), the pressing end (621) is exposed from the insertion groove (7), and the clamping end (622) is provided with a pressing end (621) and a clamping end (622). A clamping tooth (8) for clamping with the rack (63) is arranged, and an elastic member (9) is also arranged on the side wall of the insertion groove (7), one end of the elastic member (9) is in contact with the fastening block (62), and the other end of the elastic member (9) is in contact with the shell (61), and the elastic member (9) is used to maintain the clamping state between the clamping tooth (8) and the rack (63), and a shock-absorbing clamping block (10) is arranged on the shell (61), and a clamping sleeve (11) matched with the shock-absorbing clamping block (10) is sleeved on the rack (63), and the shock-absorbing clamping block (10) and the clamping sleeve (11) are used to clamp objects.
2. The vehicle-mounted bicycle fixing device according to claim 1, characterized in that: A lock core (1) is arranged in the housing (61), a lock opening (2) for exposing the lock core (1) is arranged on the housing (61), a lock rod (3) is arranged at the output end of the lock core (1), a transmission block (5) is connected to the lock rod (3), and an end of the transmission block (5) away from the lock rod (3) is connected to the locking block (62), and when the lock hole of the lock core (1) is rotated, the lock rod (3) drives the engaging teeth (8) on the transmission block (5) to separate from the rack (63).
3. The vehicle-mounted bicycle fixing device according to claim 1, characterized in that: The locking block (62) is provided with a rotating rod (12), and the side wall of the insertion groove (7) is provided with a rotating groove (13) for inserting the rotating rod (12). The locking block (62) is rotatably connected to the side wall of the insertion groove (7) through the rotating rod (12) and the rotating groove (13). The elastic member (9) is a torsion spring, which is provided on the rotating rod (12). The housing (61) is provided with an abutment rod (14), one end of the torsion spring abuts against the locking block (62), and the other end of the torsion spring is connected to the abutment rod (14).
4. The vehicle-mounted bicycle fixing device according to claim 3 is characterized in that: A one-way block (15) is rotatably connected to the side wall of the insertion slot (7); one end of the one-way block (15) is provided with a one-way latching tooth (16) that cooperates with the rack (63); the one-way block (15) is provided with a movable hole (17) for the pressing end (621) to move; the pressing end (621) is inserted into the movable hole (17).
5. The vehicle-mounted bicycle fixing device according to claim 4 is characterized in that: The one-way block (15) is provided with a movable groove (19), and the side wall of the insertion groove (7) is provided with a movable rod (18), and the movable rod (18) is inserted into the movable groove (19). The one-way block (15) is rotatably connected to the side wall of the insertion groove (7) through a second connecting rod and the movable groove (19), and a torsion spring is sleeved on the movable rod (18), one end of the torsion spring is in contact with the one-way block (15), and the other end of the torsion spring is wound around the rotating rod (12).
6. The vehicle-mounted bicycle fixing device according to claim 1, characterized in that: The shock-absorbing clamping block (10) is made of elastic material.
7. The vehicle-mounted bicycle fixing device according to claim 1, characterized in that: The invention also comprises a stretching rod (20), wherein the stretching rod (20) comprises a sleeve rod (201) and an extension rod (202), wherein the extension rod (202) is inserted into the sleeve rod (201), one end of the sleeve rod (201) is provided with an opening for the extension rod (202) to extend out, and an end of the extension rod (202) away from the extension opening is provided with a stud (21), the sleeve rod (201) is provided with a hole for the stud to extend out, and a nut is provided on the stud (21).
8. The vehicle-mounted bicycle fixing device according to claim 7, characterized in that: Both ends of the stretching rod (20) are provided with locking pieces (6); the locking piece (6) at one end of the stretching rod (20) is used to connect with the bicycle body, and the locking piece (6) at the other end of the stretching rod (20) is used to connect with the vehicle-mounted bicycle frame.
9. The vehicle-mounted bicycle fixing device according to claim 7, characterized in that: The locking piece (6) is arranged at one end of the stretching rod (20), and the other end of the stretching rod (20) is provided with a gripping piece (22).
10. The vehicle-mounted bicycle fixing device according to claim 9, characterized in that: The gripping member (22) comprises two gripping claws (221) arranged opposite to each other, the two gripping claws (221) are rotatably connected to each other, the stretching rod (20) is provided with a gripping rod (23), the gripping claw (221) is provided with a gripping hole (4) for the gripping rod (23) to pass through, the gripping rod (23) is provided with a thread, and a nut is matched with the thread.