CN220947812U

CN220947812U - Front wheel fixing device of vehicle-mounted bicycle frame

Info

Publication number: CN220947812U
Application number: CN202322592036.0U
Authority: CN
Inventors: 姚雄
Original assignee: Jiangxi Senmu Technology Co ltd
Current assignee: Jiangxi Senmu Technology Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-05-14
Anticipated expiration: 2033-09-22

Abstract

The utility model provides a front wheel fixing device of a vehicle-mounted bicycle frame, which comprises: the front wheel base assembly, the horizontal position adjusting rod and the front wheel fixing frame, wherein the front wheel fixing frame is installed on the horizontal position adjusting rod, the horizontal position adjusting rod penetrates through the front wheel base assembly along the horizontal direction, and the horizontal position adjusting rod is adjustably connected with the front wheel base assembly in the horizontal direction. The utility model can adjust the position of the front wheel fixing frame through the horizontal position adjusting rod so as to meet the requirements of different bicycle lengths, reduce the volume during packaging and transportation, facilitate transportation and storage, and reduce the transportation and packaging cost.

Description

Front wheel fixing device of vehicle-mounted bicycle frame

Technical Field

The utility model relates to the field of roof bicycle fixing devices, in particular to a front wheel fixing device of a vehicle-mounted bicycle frame.

Background

The vehicle-mounted bicycle frame is a device for transporting a bicycle on an automobile, and has different carrying modes, including rear hanging, rear mounting, roof mounting and the like. Different types of onboard bicycle frames may be mounted on the trunk, trailer hook, roof or trailer of the vehicle. The choice of installation will depend on the needs of the user and the type of vehicle. From a safety standpoint, it is desirable to maintain safety and stability, including the use of appropriate locking mechanisms and safety belts to prevent the bicycle from slipping or tilting. In addition, the design of the on-board bicycle frame should be easy to install, uninstall and store so that the user can use them conveniently.

The common front wheel fixing device of the bicycle frame on the roof in the prior art opens or stores a mechanism for fixing the front wheel in a folding and overturning mode, but is not stable enough for fixing the front wheel of the bicycle in the up-down direction due to the adoption of the folding and overturning mode. In addition, the conventional front wheel fixing mechanism in the prior art is not stable enough for fixing the front wheels in the left-right direction, and the stability of the front wheels after being fixed up and down and left and right in the running process of the vehicle is not good.

Some of the bicycle frames in the prior art may cause instability of the bicycle during transportation, which may pose a threat to road safety and may damage the bicycle; some vehicle-mounted bicycle frames may not be sufficiently secure to be easily broken or stolen, which may result in loss of the bicycle.

Disclosure of utility model

The utility model provides a front wheel fixing device of a vehicle-mounted bicycle frame, which aims to solve at least one technical problem.

In order to solve the above-mentioned problems, as one aspect of the present utility model, there is provided a front wheel fixing device of a bicycle frame for a vehicle comprising: the front wheel base assembly, the horizontal position adjusting rod and the front wheel fixing frame, wherein the front wheel fixing frame is installed on the horizontal position adjusting rod, the horizontal position adjusting rod penetrates through the front wheel base assembly along the horizontal direction, and the horizontal position adjusting rod is adjustably connected with the front wheel base assembly in the horizontal direction.

Preferably, the front wheel base assembly comprises a front wheel base and a pressing plate, a first guide groove is formed in the upper surface of the front wheel base, a second guide groove which is arranged corresponding to the first guide groove is formed in the pressing plate, the pressing plate is mounted on the upper surface of the front wheel base, and the horizontal position adjusting rod is located in a space surrounded by the first guide groove and the second guide groove.

Preferably, the front wheel base assembly further comprises a movable tailstock, and one end of the horizontal position adjusting rod is installed in a tailstock installation hole of the movable tailstock.

Preferably, the front wheel fixing device of the vehicle-mounted bicycle frame further comprises a section bar, a positioning protruding portion for fixing the horizontal position adjusting rod is arranged at the top of the movable tail seat, the front wheel base is connected with the section bar through a front wheel base fixing screw, and a guiding portion matched with the groove on the section bar is arranged at the bottom of the movable tail seat.

Preferably, the front wheel base assembly further comprises a front wheel base cover, a front wheel base lock cylinder is arranged on the front wheel base cover, the front wheel base cover is connected with the front wheel base in a lockable and detachable mode through the front wheel base lock cylinder, and a packaging space for hiding a fastener on the front wheel base is formed between the front wheel base cover and the front wheel base.

Preferably, the front wheel base assembly further comprises a locking base plate, the locking base plate is arranged at the top of the front wheel base, a front wheel base lock hole is formed in the locking base plate, and a front wheel base locking groove matched with the front wheel base lock hole is formed in the front wheel base lock cylinder.

Preferably, the front wheel fixing frame comprises a U-shaped frame and a front wheel fixing part, the lower end of the U-shaped frame is rotatably connected with the horizontal position adjusting rod, the rotation angle range can be limited, and the front wheel fixing part is connected with the U-shaped frame in a position-adjustable and position-lockable mode.

Preferably, the front wheel fixing part comprises a rack, a U-shaped fixing piece, a clamping block and a torsion spring, wherein the rack is arranged along the extending direction of the U-shaped frame and is connected with the U-shaped frame, the U-shaped fixing piece is in sliding connection with the U-shaped frame, the clamping block is rotatably connected with the U-shaped fixing piece through the torsion spring, and the clamping block is clamped with the rack under the action of the torsion spring.

Preferably, the U-shaped frame is provided with a clamping hole, a clamping block matched with the clamping hole is formed on the rack in a protruding mode, and fixing screws connected with the U-shaped frame are further arranged at two ends of the rack.

Preferably, a surface of the locking pad is protrusively formed with a protrusion engaging portion engaged with the front wheel base locking groove.

In the technical scheme, the position of the front wheel fixing frame can be adjusted through the horizontal position adjusting rod so as to meet the requirements of different bicycle lengths, the volume during packaging and transportation is reduced, the transportation and storage are convenient, and the transportation and packaging cost is reduced.

Drawings

FIG. 1 schematically illustrates a state of use of the present utility model;

FIG. 2 schematically illustrates a second state of use of the present utility model;

FIG. 3 schematically illustrates an exploded view of the present utility model;

FIG. 4 schematically illustrates an exploded view of the present utility model;

FIG. 5 schematically illustrates a perspective view of the front wheel base assembly;

FIG. 6 schematically illustrates an exploded view of the front wheel base assembly;

fig. 7 schematically illustrates an exploded view of a front wheel base assembly.

Reference numerals in the drawings: 1. a front wheel base assembly; 2. a horizontal position adjusting lever; 3. a front wheel fixing frame; 4. a front wheel base; 5. a pressing plate; 6. a first guide groove; 7. a second guide groove; 8. moving the tailstock; 9. tailstock mounting holes; 10. a section bar; 11. positioning the protruding part; 12. front wheel base fixing screws; 13. a groove; 14. a guide part; 15. a front wheel base cover; 16. a front wheel base lock cylinder; 17. a locking backing plate; 18. a front wheel base lock hole; 19. a U-shaped frame; 20. a front wheel fixing part; 21. a rack; 22. a U-shaped fixing member; 23. a clamping block; 24. a torsion spring; 25. a clamping hole; 26. a fixing screw; 27. a front wheel base locking groove; 28. a protrusion fitting portion; 29. u-shaped mounting fixing plate.

Detailed Description

The following describes embodiments of the utility model in detail, but the utility model may be practiced in a variety of different ways, as defined and covered by the claims.

As one aspect of the present utility model, there is provided a front wheel securing device for a bicycle frame, which can be mounted on a roof bracket or a tail bracket, comprising: the front wheel comprises a front wheel base assembly 1, a horizontal position adjusting rod 2 and a front wheel fixing frame 3, wherein the front wheel fixing frame 3 is mounted on the horizontal position adjusting rod 2, the horizontal position adjusting rod 2 penetrates through the front wheel base assembly 1 along the horizontal direction, and the horizontal position adjusting rod 2 is connected with the front wheel base assembly 1 in a position-adjustable mode in the horizontal direction.

In use, the front wheel fixing device of the vehicle-mounted bicycle frame is mounted on a luggage rack at the top of a vehicle through the U-shaped mounting fixing plate 29 arranged below the section bar 10. When the lengths of bicycles to be mounted are different, the horizontal position adjusting rod 2 can be moved and adjusted along the horizontal direction of the front wheel base assembly 1, so that the front wheel fixing frame 3 on the horizontal position adjusting rod 2 can be adjusted to the required position to adapt to the length or the size of the bicycle. In the process of packaging and transportation, the horizontal position adjusting rod 2 can be contracted to the shortest state, so that the volume during packaging and transportation is reduced, and the cost is reduced.

In the technical scheme, the position of the front wheel fixing frame 3 can be adjusted through the horizontal position adjusting rod 2 so as to meet the requirements of different bicycle lengths, the volume during packaging and transportation is reduced, the transportation and storage are convenient, and the transportation and packaging cost is reduced.

Preferably, the front wheel base assembly 1 includes a front wheel base 4 and a pressing plate 5, a first guide groove 6 is formed on the upper surface of the front wheel base 4, a second guide groove 7 corresponding to the first guide groove 6 is formed on the pressing plate 5, the pressing plate 5 is mounted on the upper surface of the front wheel base 4, and the horizontal position adjusting rod 2 is located in a space surrounded by the first guide groove 6 and the second guide groove 7. The arrangement of the pressing plate 5 can limit the horizontal position adjusting rod 2 in the up-down direction, so that the stability of the bicycle in the up-down direction in the running process of the vehicle is improved.

Preferably, the front wheel base assembly 1 further comprises a movable tailstock 8, and one end of the horizontal position adjusting lever 2 is mounted in a tailstock mounting hole 9 of the movable tailstock 8. Preferably, the front wheel fixing device of the vehicle-mounted bicycle frame further comprises a section bar 10, a positioning protruding portion 11 for fixing the horizontal position adjusting rod 2 is arranged at the top of the movable tailstock 8, the front wheel base 4 is connected with the section bar 10 through a front wheel base fixing screw 12, and a guiding portion 14 matched with a groove 13 on the section bar 10 is arranged at the bottom of the movable tailstock 8. In this embodiment, the guiding portion 14 in the movable tailstock 8 is disposed in the groove 13, and guides the movement of the movable tailstock 8, the movable tailstock 8 is connected with the horizontal position adjusting lever 2, and when the horizontal position adjusting lever 2 adjusts the position, the movable tailstock 8 moves together therewith, and since the movable tailstock 8 is connected with the end of the horizontal position adjusting lever 2, the position of the horizontal position adjusting lever 2 when sliding can be defined, and two-point support can be formed for it, improving the stability of the horizontal position adjusting lever 2.

Preferably, the front wheel base assembly 1 further comprises a front wheel base cover 15, a front wheel base lock cylinder 16 is arranged on the front wheel base cover 15, the front wheel base cover 15 is connected with the front wheel base 4 in a lockable and detachable way through the front wheel base lock cylinder 16, and a packaging space for hiding fasteners on the front wheel base 4 is formed between the front wheel base cover 15 and the front wheel base 4. The fasteners comprise various fasteners arranged on the front wheel base 4, the front wheel base 4 can be installed or detached from the section bar 10 through the fasteners, and the other 2 fasteners are used for linking the U-shaped installation fixing plate to enable the vehicle-mounted bicycle frame to be installed or detached from the bicycle. When the front wheel base lock cylinder 16 is locked, the front wheel base cover 15 is connected with the front wheel base 4, and the front wheel base cover 15 can be detached from the front wheel base 4 only when the front wheel base lock cylinder 16 is opened.

Thus, when these fasteners are hidden and enclosed in the enclosure space by the front wheel base cover 15, if the front wheel base lock cylinder 16 is not opened by a key to remove the front wheel base cover 15 from the front wheel base 4, the fasteners will not be operated from the outside of the front wheel base assembly 1, and the front wheel base 4 will not be removed from the profile 10. Therefore, the front wheel base cover 15 and the front wheel base lock cylinder 16 can prevent safety accidents caused by disassembly and loosening of other people or prevent the bicycle frame from being stolen, thereby achieving the aim of theft prevention.

Preferably, the front wheel base assembly 1 further comprises a locking pad 17, the locking pad 17 is disposed on top of the front wheel base 4, a front wheel base lock hole 18 is disposed on the locking pad 17, and a front wheel base locking groove 27 matched with the front wheel base lock hole 18 is disposed on the front wheel base lock cylinder 16. The locking pad 17 is mounted on the top of the front wheel base 4 by screws, and when mounted, the lower end of the front wheel base lock cylinder 16 is inserted into the front wheel base lock hole 18, and when the front wheel base lock cylinder 16 is rotated to a locked state by a key, the edge of the front wheel base lock hole 18 is caught in the front wheel base locking groove 27 to achieve locking. When unlocking is required, the front wheel base lock cylinder 16 is rotated to an unlocking state by the key, and the front wheel base locking groove 27 is brought to a state of being away from the edge of the front wheel base lock hole 18, so that unlocking is achieved.

Preferably, the surface of the lock shim plate 17 is protrusively formed with a protrusion engagement portion 28 engaged with the front wheel base lock groove 27. In the locked position, the protruding engagement portion 28 is press-fitted with the front wheel base locking groove 27, and a damping limit is generated.

Preferably, the front wheel fixing frame 3 includes a U-shaped frame 19 and a front wheel fixing portion 20, the lower end of the U-shaped frame 19 is rotatably connected with the horizontal position adjusting lever 2 and the rotation angle range can be limited, and the front wheel fixing portion 20 is connected with the U-shaped frame 19 in a position-adjustable and position-lockable manner. When the bicycle is required to be mounted, the front wheel fixing frame 3 is rotated and opened from the horizontal position to the state shown in fig. 1, and the front wheel is placed in the U-shaped groove of the U-shaped frame 19, so that the left and right limit of the front wheel can be formed by using two parallel rods of the U-shaped frame 19, the stability of the front wheel in the left and right direction of the bicycle in the running process of the bicycle is improved, and the large shaking in the left and right direction is avoided. Then, the front wheel fixing part 20 is adjusted downward and clamped above the front wheel, so that the front wheel is fixed, and the stability of the front wheel in the up-down direction is improved.

Preferably, the front wheel fixing portion 20 includes a rack 21, a U-shaped fixing member 22, a clamping block 23, and a torsion spring 24, the rack 21 is disposed along an extending direction of the U-shaped frame 19 and is connected to the U-shaped frame 19, the U-shaped fixing member 22 is slidably connected to the U-shaped frame 19, the clamping block 23 is rotatably connected to the U-shaped fixing member 22 through the torsion spring 24, and the clamping block 23 is clamped to the rack 21 under the action of the torsion spring 24. In this embodiment, if the height of the U-shaped fixing member 22 is required to be adjusted to accommodate the fixing of the front wheels of different sizes, the latch 23 is pressed to release the engagement with the rack 21, so that the U-shaped fixing member 22 can be moved up and down. When the movable rack is moved to a desired position, the pressing of the clamping block 23 is released, and then the clamping teeth on the clamping block 23 move towards the rack 21 and are meshed with the clamping block 23 under the action of the torsion spring 24, so that the position locking of the U-shaped fixing piece 22 is realized.

Preferably, the U-shaped frame 19 is provided with a clamping hole 25, the rack 21 is formed with a clamping block 23 matching with the clamping hole 25 in a protruding manner, and two ends of the rack 21 are further provided with fixing screws 26 connected with the U-shaped frame 19. The middle part of the rack 21 can be fixed through the clamping holes 25 and the clamping blocks 23, so that the rack 21 is integrally attached to the U-shaped frame 19, and the rack 21 can be further fixed on the U-shaped frame 19 through the fixing screws 26.

The invention has the following beneficial effects:

(1) The invention is a finished product package, can be directly installed, is simple and convenient to use, and can be used only when the clients spend time organizing the packages of the separated parts of the products on the market.

(2) The packing is small in size, the freight and the packing are saved, the product length is shortened by utilizing the translation of the adjusting rod, the front wheel fixing frame is rotationally attached to the movable tailstock to reach the thinnest thickness at the horizontal position, the width is greatly reduced by utilizing the fixation of the pressing plate, namely the fastening is stable, and the product is widened and the force distance is increased on both sides of the overturning mode used in the market to ensure the stability.

(3) The bicycle has wide application range, the bicycle can be used for adjusting and positioning the wheels through the adjusting rod, which is not available in the market, and the fastening device on the front wheel fixing bracket is also used for moving and locking on the U-shaped tube according to the size of the wheels.

(4) The use is simple, safe and anti-theft.

(5) The U-shaped installation fixing plate is designed to shorten the length of the bolt, and the installation fixing plate on the market is basically horizontal or in a micro-arc shape, so that the fixing bolt is lengthened to cause the opening collision with the automobile skylight.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A front wheel securing device for a bicycle frame, comprising: front wheel base subassembly (1), horizontal position adjust pole (2) and front wheel mount (3), front wheel mount (3) are installed on horizontal position adjusts pole (2), horizontal position adjusts pole (2) along the horizontal direction and passes front wheel base subassembly (1), horizontal position adjusts pole (2) with front wheel base subassembly (1) are in horizontal direction position adjustable connection.

2. The front wheel fixing device of the vehicle-mounted bicycle frame according to claim 1, wherein the front wheel base assembly (1) comprises a front wheel base (4) and a pressing plate (5), a first guide groove (6) is formed on the upper surface of the front wheel base (4), a second guide groove (7) which is arranged corresponding to the first guide groove (6) is formed on the pressing plate (5), the pressing plate (5) is mounted on the upper surface of the front wheel base (4), and the horizontal position adjusting rod (2) is located in a space surrounded by the first guide groove (6) and the second guide groove (7).

3. The front wheel securing device of a bicycle frame according to claim 2, characterized in that the front wheel base assembly (1) further comprises a movable tailstock (8), one end of the horizontal position adjustment lever (2) being mounted in a tailstock mounting hole (9) of the movable tailstock (8).

4. A front wheel fixing device for a vehicle-mounted bicycle frame according to claim 3, characterized in that the front wheel fixing device for a vehicle-mounted bicycle frame further comprises a profile (10), a positioning protruding part (11) for fixing the horizontal position adjusting rod (2) is arranged at the top of the movable tailstock (8), the front wheel base (4) is connected with the profile (10) through a front wheel base fixing screw (12), and a guiding part (14) matched with a groove (13) on the profile (10) is arranged at the bottom of the movable tailstock (8).

5. The front wheel securing device of a bicycle frame according to claim 2, characterized in that the front wheel base assembly (1) further comprises a front wheel base cover (15), a front wheel base lock cylinder (16) is provided on the front wheel base cover (15), the front wheel base cover (15) is lockably and detachably connected with the front wheel base (4) through the front wheel base lock cylinder (16), and a packaging space for hiding fasteners on the front wheel base (4) is formed between the front wheel base cover (15) and the front wheel base (4).

6. The front wheel fixing device of a bicycle frame according to claim 5, characterized in that the front wheel base assembly (1) further comprises a locking pad (17), the locking pad (17) is arranged at the top of the front wheel base (4), a front wheel base lock hole (18) is arranged on the locking pad (17), and a front wheel base locking groove (27) matched with the front wheel base lock hole (18) is arranged on the front wheel base lock cylinder (16).

7. The front wheel fixing device of a bicycle frame for vehicles according to claim 1, characterized in that the front wheel fixing frame (3) comprises a U-shaped frame (19) and a front wheel fixing part (20), the lower end of the U-shaped frame (19) is rotatably connected with the horizontal position adjusting lever (2) and the rotation angle range can be limited, and the front wheel fixing part (20) is connected with the U-shaped frame (19) in a position-adjustable and position-lockable manner.

8. The front wheel fixing device of a bicycle frame according to claim 7, characterized in that the front wheel fixing portion (20) comprises a rack (21), a U-shaped fixing member (22), a clamping block (23) and a torsion spring (24), the rack (21) is arranged along the extending direction of the U-shaped frame (19) and is connected with the U-shaped frame (19), the U-shaped fixing member (22) is slidably connected with the U-shaped frame (19), the clamping block (23) is rotatably connected with the U-shaped fixing member (22) through the torsion spring (24), and the clamping block (23) is clamped with the rack (21) under the action of the torsion spring (24).

9. The front wheel fixing device of the vehicle-mounted bicycle frame according to claim 8, characterized in that the U-shaped frame (19) is provided with a clamping hole (25), a clamping block (23) matched with the clamping hole (25) is formed on the rack (21) in a protruding manner, and fixing screws (26) connected with the U-shaped frame (19) are further arranged at two ends of the rack (21).

10. The front wheel securing device of a bicycle frame as claimed in claim 6, characterized in that the surface of the lock pad (17) is protrusively formed with a protruding engagement portion (28) that engages with the front wheel base lock groove (27).