Bicycle bracket structure

Abstract

The utility model relates to the technical field of bicycle brackets, solves the problem that an existing bicycle bracket has the risk of being stolen, and discloses a bicycle bracket structure which comprises a tail rod used for being connected to the tail of an automobile, and the tail rod is connected with at least one cross beam used for containing a bicycle. A fixing device used for fixing a bicycle is arranged on the cross beam, the fixing device comprises a wheel seat used for positioning a wheel and a bicycle body rod used for positioning a bicycle body, a vertical rod is arranged on the cross beam, the bicycle body rod is arranged on the vertical rod through a sliding sleeve, the sliding sleeve is in sliding fit with the vertical rod, and the bicycle body rod is arranged on the vertical rod. A lock which can be opened only through secret keys is arranged between the sliding sleeve and the vertical rod, and the secret keys include but not limited to card swiping, keys, passwords, fingerprints, face recognition and irises. According to the bicycle bracket, the lock is additionally arranged on the bicycle bracket, so that the anti-theft effect of the bicycle can be achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bicycle carriers, in particular to a bicycle carrier structure. BACKGROUND

[0002] Bicycles are commonly used as a means of transportation in people's lives, and outdoor cycling is also a popular sport. Cycling not only helps to exercise the body, but also allows you to enjoy the scenery along the way.

[0003] To facilitate the long-distance carrying of bicycles, it is common for people to set up bicycle carriers at the rear of the car to facilitate the carrying of bicycles by car. For example, the utility model patent with the patent number CN215922072U discloses a rear bicycle carrier, which discloses the basic structure of the bicycle carrier.

[0004] Although the current bicycle carrier can carry bicycles, it is inevitable that the driver will get off the car for a rest during a long drive. The current bicycle carrier does not have an anti-theft structure, and there is a risk of theft. SUMMARY

[0005] In order to avoid the theft of bicycles on the bicycle carrier, the present application provides a bicycle carrier structure.

[0006] The present application provides a bicycle carrier structure, which adopts the following technical solutions:

[0007] A bicycle carrier structure, comprising: a tail rod for connecting to the rear of a car, the tail rod being connected with at least one cross beam for placing a bicycle, the cross beam being provided with a fixing device for fixing the bicycle, the fixing device comprising a wheel seat for positioning the wheel and a body rod for positioning the body, the cross beam being provided with a vertical rod, the body rod being arranged on the vertical rod through a sliding sleeve, the sliding sleeve and the vertical rod being in sliding cooperation, and a lock being arranged between the sliding sleeve and the vertical rod, the lock being opened only by a key, the key including but not limited to a card, a key, a password, a fingerprint, facial recognition, and iris.

[0008] By adopting the above technical solutions, the bicycle can be placed at the rear of the car through the bicycle carrier, the position is positioned through the wheel seat, and then the body is positioned through the body rod, so as to be carried with the car; the lock of the sliding sleeve connected with the body rod is locked to fix the position of the body rod, and only in the case that the corresponding key exists, the lock can be unlocked, thereby improving the safety of the bicycle carrier.

[0009] Optionally, the vertical rod is provided with a tooth groove along the length direction, the sliding sleeve is provided with a lock knob, the lock knob is provided with a lock tooth matched with the tooth groove, and the lock is arranged on the lock knob.

[0010] By adopting the above technical scheme, the position of the lock tooth can be adjusted to match the tooth groove at different positions, so that the positioning of the sliding sleeve after adjustment is facilitated.

[0011] Optionally, the lock comprises a lock cylinder, the key is a key capable of driving the lock cylinder to rotate, the sliding sleeve is provided with an opening, the lock cylinder has an unlocking state and a locking state, in the unlocking state, the lock cylinder is aligned with the opening, and at this time, the lock knob can control the lock tooth to move; in the locking state, the lock cylinder is not completely aligned with the opening, and at this time, the lock knob cannot control the lock tooth to move, and the key controls the switching of the lock between the unlocking state and the locking state.

[0012] By adopting the above technical scheme, the cooperation of the key and the lock cylinder is a common cooperation mode, and the production cost is low. Whether the lock cylinder is completely aligned with the opening controls the unlocking state and the locking state of the lock cylinder. The mechanical control mode is more reliable than the electronic control mode such as fingerprint recognition and face recognition, and the phenomenon of mistaken opening is not easy to occur.

[0013] Optionally, the sliding sleeve is provided with a mounting groove for mounting the lock knob, and the opening is arranged on the groove bottom surface of the mounting groove, and the groove bottom surface is further provided with a notch for the lock tooth to pass through to clamp the tooth groove.

[0014] By adopting the above technical scheme, the lock knob is arranged in the mounting groove, so that the stability of the lock knob during use is improved, and the lock knob is not easy to separate from the sliding sleeve, so that the lock tooth is not easy to separate from the tooth groove.

[0015] Optionally, the end of the lock cylinder is a waist-shaped structure, and the opening is a rectangular hole.

[0016] By adopting the above technical scheme, only when the waist-shaped structure is aligned can the end of the lock cylinder pass through the opening, and when the waist-shaped structure is not aligned with the opening, the lock cylinder cannot pass through the opening.

[0017] Optionally, the lock knob is rotatably arranged in the mounting groove, and the rotation point of the lock knob is located between the lock cylinder and the lock tooth.

[0018] By adopting the technical scheme, the lock knob is controlled by rotating, and the operation is relatively easy.

[0019] Optionally, the end of the lock cylinder has an arc surface.

[0020] By adopting the technical scheme, the end of the lock cylinder needs to pass through the opening to move the lock knob as a whole, and the arc surface design can make it easier for the end of the lock cylinder to enter the opening.

[0021] Optionally, one side of the sliding sleeve is further provided with a positioning hole, and a positioning screw is connected through the positioning hole, and the sliding sleeve is positioned through the positioning screw.

[0022] By adopting the technical scheme, the positioning screw can have an additional positioning effect, and can also have a locking effect when the lock is not used.

[0023] In summary, the present application has at least one of the following beneficial effects:

[0024] 1. By providing a corresponding lock on the sliding sleeve, when the lock is in a locked state, the lock teeth on the lock knob are in cooperation with the tooth grooves on the vertical rod, and the sliding sleeve cannot be moved at this time. The sliding sleeve can be moved only after the lock knob is unlocked by the key, and thus the anti-theft effect is achieved.

[0025] 2. By adopting the cooperation mode of the lock cylinder and the opening, in the locked state, the end of the lock cylinder is not completely aligned with the opening, and the lock cylinder cannot pass through the opening to lock the lock knob; in the unlocked state, the end of the lock cylinder is aligned with the opening, and the lock cylinder can pass through the opening to move, and at this time, the lock knob is not locked. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The overall structure diagram of the bicycle bracket structure in the embodiment of the present application;

[0027] Figure 2 The structure diagram of the sliding sleeve and the vehicle body rod in the embodiment of the present application;

[0028] Figure 3 The exploded view of the structure of the sliding sleeve and the vehicle body rod in the embodiment of the present application;

[0029] Figure 4 The exploded view of the structure of the sliding sleeve and the vehicle body rod in the embodiment of the present application from another perspective.

[0030] Explanation of reference signs: 1, tail rod; 2, cross beam; 21, connecting rod; 3, fixing device; 4, lock; 41, lock core; 5, wheel seat; 6, vertical rod; 61, tooth groove; 7, sliding sleeve; 71, mounting groove; 711, notch; 712, opening; 72, positioning screw; 73, positioning seat; 74, positioning hole; 75, threaded hole; 8, body rod; 9, lock knob; 91, lock tooth; 92, pressing part; 93, rotating shaft. DETAILED DESCRIPTION

[0031] The following will be described in detail below with reference to the accompanying drawings Figures 1-4 The application is further described in detail.

[0032] With reference to Figure 1 , the application discloses a bicycle bracket structure, which comprises a tail rod 1 connected to the tail of a car, a cross beam 2 connected to the tail rod 1, and a fixing device 3 arranged on the cross beam 2 for fixing a bicycle. In the application, three cross beams 2 are arranged side by side, and the bottoms of the three cross beams 2 are connected to the tail rod 1 through connecting rods 21. Each cross beam 2 can accommodate one bicycle.

[0033] With reference to Figure 1 and Figure 2 , the fixing device 3 comprises a wheel seat 5 for positioning a wheel and a body rod 8 for positioning a body. The wheel seat 5 is arranged at two ends of the length direction of the cross beam 2 to position two wheels of the bicycle. The cross beam 2 is provided with a vertical rod 6, and the body rod 8 is arranged on the vertical rod 6 through a sliding sleeve 7. The sliding sleeve 7 and the vertical rod 6 are in sliding fit, and the lock 4 is arranged between the sliding sleeve 7 and the vertical rod 6. The sliding sleeve 7 and the vertical rod 6 are locked by the lock 4 and cannot be unlocked, and the lock 4 can be opened only by a corresponding key. In the application, the key is a key, and in other embodiments, the key includes but is not limited to card swiping, password, fingerprint, face recognition, iris, etc.

[0034] With reference to Figure 1 and Figure 3 , the vertical rod 6 is provided with a tooth groove 61 along the length direction, and the sliding sleeve 7 is connected with a lock knob 9. The lock knob 9 has a lock tooth 91 matched with the tooth groove 61. When the lock tooth 91 is clamped into the tooth groove 61, the sliding sleeve 7 can be fixed on the vertical rod 6. When the lock tooth 91 is not clamped into the tooth groove 61, the sliding sleeve 7 can slide on the vertical rod 6 to adjust the position of the body rod 8.

[0035] With reference to Figure 1 , Figure 3 and Figure 4The sliding sleeve 7 is provided with a mounting groove 71 for mounting the lock knob 9. The lock knob 9 is rotatably arranged in the mounting groove 71 through a rotating shaft 93. The lock tooth 91 is arranged at one end of the lock knob 9. The pressing portion 92 of the lock knob 9 away from the lock tooth 91. There is a certain space between the bottom of the pressing portion 92 and the groove bottom surface of the mounting groove 71. The rotating point of the lock knob 9 is between the pressing portion 92 and the lock tooth 91. The groove bottom surface of the mounting groove 71 is provided with a gap 711 for the lock tooth 91 to pass through. After the lock tooth 91 passes through the gap 711, the lock tooth 91 can cooperate with the tooth groove 61 to achieve locking. The lock tooth 91 can be separated from the tooth groove 61 by pressing the pressing portion 92.

[0036] With reference to Figure 2 and Figure 4 The lock 4 is arranged at the position of the pressing portion 92 of the lock knob 9. When the lock 4 is locked, the lock knob 9 cannot control the lock tooth 91 to separate from the tooth groove 61. The lock 4 includes a lock cylinder 41. The lock cylinder 41 has an unlocked state and a locked state. In the unlocked state, the lock knob 9 can control the lock tooth 91 to move. In the locked state, the lock knob 9 cannot control the lock tooth 91 to move. The key controls the switch between the unlocked state and the locked state of the lock 4.

[0037] Specifically, the mounting groove 71 is provided with an opening 712 on the groove bottom surface at the corresponding position of the lock cylinder 41. The lock cylinder 41 can be aligned with the opening 712 to move through the opening 712. The end of the lock cylinder 41 protrudes from the bottom of the lock knob 9 and abuts against the bottom of the mounting groove 71. The end of the lock cylinder 41 is in a waist-shaped structure. The opening 712 corresponding to the lock cylinder 41 is also a waist-shaped hole. The end of the lock cylinder 41 can be aligned with or not completely aligned with the opening 712 by rotating the lock cylinder 41 controlled by the key. When the lock cylinder 41 is completely aligned with the opening 712, the end of the lock cylinder 41 can continue to move through the port. When the lock cylinder 41 is not completely aligned with the opening 712, the end of the lock cylinder 41 abuts against the groove bottom surface of the mounting groove 71 and cannot continue to move. The lock tooth 91 is in a cooperating state with the tooth groove 61. At this time, the rotation of the lock knob 9 is limited, and the lock tooth 91 cannot be pulled out of the tooth groove 61. The stability is stronger.

[0038] In addition, it should be noted that since the lock cylinder 41 is arranged on the lock knob 9, the movement path of the lock knob 9 is an arc path with the rotating shaft 93 as the center. In order to facilitate the end of the lock cylinder 41 to enter the opening 712, the end of the lock cylinder 41 has an arc surface, and the area of the opening 712 is slightly larger than the cross section of the lock cylinder 41.

[0039] With reference to Figure 3 and Figure 4Further, the sliding sleeve 7 is further connected with a positioning screw 72 for position fixing. Specifically, the sliding sleeve 7 is provided with a positioning hole 74 on one side, the positioning hole 74 is located on the side of the vertical rod 6 without the tooth groove 61, and the sliding sleeve 7 is connected with a positioning seat 73 for screwing the positioning screw 72, the positioning seat 73 is fixedly connected with the sliding sleeve 7, and the screw hole 75 for screwing the positioning screw 72 on the positioning seat 73 is aligned with the positioning hole 74. The sliding sleeve 7 can also be positioned by the positioning screw 72 when the lock 4 is not used.

[0040] The implementation principle of the bicycle bracket structure in the embodiment of the application is as follows:

[0041] By setting the corresponding lock 4 on the sliding sleeve 7, when the lock 4 is in the locked state, the lock teeth 91 on the lock knob 9 are in cooperation with the tooth groove 61 on the vertical rod 6, at this time, the sliding sleeve 7 cannot be moved, and the sliding sleeve 7 can be moved only after the lock knob 9 is unlocked by the key, so that the anti-theft effect can be achieved.

[0042] Generally, the cooperation mode of the lock teeth 91 and the tooth groove 61 may appear forced pulling off phenomenon, and there is a certain risk of theft. The bracket structure in the embodiment of the application cooperates the lock 4 with the lock knob 9, directly clamps the lock knob 9 in the locked state, so that the lock knob 9 cannot be moved, and the risk of forced pulling off can be effectively avoided.

[0043] The above are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A bicycle carrier structure characterised in that: The application relates to a rear-end rod (1) connected at the rear end of a car, wherein at least one crossbeam (2) for placing a bicycle is connected to the rear-end rod (1), the crossbeam (2) is provided with fixing devices (3) for fixing the bicycle, the fixing devices (3) comprise wheel seats (5) for positioning wheels and body rods (8) for positioning a body, a vertical rod (6) is arranged on the crossbeam (2), the body rod (8) is arranged on the vertical rod (6) through a sliding sleeve (7), the sliding sleeve (7) is in sliding fit with the vertical rod (6), a lock (4) which can be opened only by a key is arranged between the sliding sleeve (7) and the vertical rod (6), and the key comprises but is not limited to a card, a key, a password, a fingerprint, face recognition and iris. A tooth groove (61) is formed in the length direction of the vertical rod (6), a lock knob (9) is connected to the sliding sleeve (7), the lock knob (9) is provided with lock teeth (91) matched with the tooth groove (61), and the lock (4) is arranged on the lock knob (9), when the lock (4) is locked, the lock knob (9) cannot control the lock teeth (91) to separate from the tooth groove (61).

2. A bicycle carrier structure according to claim 1, characterised in that: The lock (4) comprises a lock core (41), the key is a key which can drive the lock core (41) to rotate, the sliding sleeve (7) is provided with an opening (712), the lock core (41) has an unlocking state and a locking state, in the unlocking state, the lock core (41) is aligned with the opening (712), at this time, the lock knob (9) can control the lock teeth (91) to move, in the locking state, the lock core (41) is not completely aligned with the opening (712), at this time, the lock knob (9) cannot control the lock teeth (91) to move, and the key controls the lock (4) to switch between the unlocking state and the locking state.

3. A bicycle carrier structure as claimed in claim 2, characterised in that: The sliding sleeve (7) is provided with a mounting groove (71) for mounting the lock knob (9), the opening (712) is formed in the groove bottom surface of the mounting groove (71), and the groove bottom surface is further provided with a gap (711) for allowing the lock teeth (91) to pass through so as to clamp the tooth groove (61).

4. A bicycle carrier structure as claimed in claim 3, wherein: The end of the lock core (41) is in a waist-shaped structure, and the opening (712) is a rectangular hole.

5. A bicycle carrier structure as claimed in claim 3, wherein: The lock knob (9) is rotationally arranged in the mounting groove (71), and the rotation point of the lock knob (9) is located between the lock core (41) and the lock teeth (91).

6. A bicycle carrier structure as claimed in claim 4, wherein: The end of the lock core (41) is provided with an arc-shaped surface.

7. A bicycle carrier structure as claimed in claim 6, characterised in that: One side of the sliding sleeve (7) is further provided with a positioning hole (74), a positioning screw rod (72) is connected through the positioning hole (74), and the sliding sleeve (7) is fixed through the positioning screw rod (72).

8. A bicycle carrier structure as claimed in claim 1, wherein: ​

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