Folding bicycle with locking mechanism

Abstract

The folding bicycle with the locking mechanism is characterized in that an underframe assembly comprises first supporting rods symmetrically arranged at the front end and the rear end and second supporting rods symmetrically arranged on the two sides, the second supporting rods are connected through the locking mechanism, the locking mechanism comprises a lock body, a lock block and a pull ring, the lock block is connected with the pull ring, and the lock block is connected with the lock body. The outer end of the second supporting rod is hinged into the connecting frame, the inner end of the second supporting rod is hinged into the lock body, a locking piece is installed on the locking block, the locking piece abuts against the upper end face of the second supporting rod to lock the second supporting rod, and the locking piece can be driven by pulling the pull ring to be separated from the second supporting rod through the locking block to achieve unlocking. According to the folding bicycle with the locking mechanism, the second supporting rods on the two sides are locked through the locking pieces in the locking mechanism, the bottom frame assembly and the whole bicycle frame are kept stable in the moving process, when the storage bag is folded inwards, the locking pieces can be pulled through the pull rings to drive the locking pieces to conduct automatic unlocking, and therefore the storage bag can be folded inwards. Therefore, the chassis assembly and the frame can be quickly folded and stored.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding bicycle, in particular to a folding bicycle with locking mechanism. BACKGROUND

[0002] Many picnic food and outdoor tools are carried when self-driving, but the car of self-driving can only be driven to the parking place, and it is very inconvenient for people to carry so many things for outdoor hiking, now the folding bicycle is pulled to transport goods, and the patent with the application number CN202410363583.8 discloses a large load bearing folding trolley, which comprises a chassis assembly and a caster assembly installed at the four corners of the chassis assembly, the chassis assembly comprises two first support cross beams which are parallel and spaced apart, the first support cross beam comprises a first parallelogram rod group, a second parallelogram rod group and a connecting seat located between the first parallelogram rod group and the second parallelogram rod group, one end of the first parallelogram rod group is hinged to the corresponding caster assembly, and the other end is hinged to one side of the connecting seat, one end of the second parallelogram rod group is hinged to the corresponding caster assembly, and the other end is hinged to the other side of the connecting seat, the folding bicycle needs a positioning structure to fix the whole frame after being opened, otherwise the frame will be unstable, but the positioning structure is complex to disassemble after assembly, which causes the inconvenience of subsequent folding and storage. SUMMARY

[0003] (I) Technical problem to be solved

[0004] The utility model wants to solve the problem of providing a folding bicycle with locking mechanism to overcome the defect that the folding bicycle needs auxiliary positioning after being opened in the prior art.

[0005] (II) Technical scheme

[0006] In order to solve the technical problem, the utility model provides a folding bicycle with locking mechanism, which comprises a chassis assembly and a connecting frame installed at the four corners of the chassis assembly, the chassis assembly comprises first support rods symmetrically arranged at the front and rear ends and second support rods symmetrically arranged on both sides, both ends of the first support rod are fixed in the connecting frame, the same side of the chassis assembly is provided with two second support rods, the second support rods are connected through a locking mechanism, the locking mechanism comprises a lock body, a lock block and a pull ring, the lock block is connected with the pull ring, the outer end of the second support rod is hinged in the connecting frame, and the inner end is hinged in the lock body, a lock piece is installed on the lock block, the lock piece is locked by abutting against the upper end surface of the second support rod, and the lock piece is separated from the second support rod to realize unlocking by pulling the pull ring.

[0007] In some embodiments, the lock block is provided with a slot, the upper surface of the lock piece is horizontal, the lower end is bent to be provided with an insertion piece, the insertion piece is inserted into the slot, one end of the lock block is provided with a hollow slot, the pull ring is provided with a hook, and the hook is clamped into the hollow slot.

[0008] In some embodiments, the lock body is provided with a sliding groove, the lock block is slidingly inserted into the lock body, the end of the lock body is provided with a hinge seat, the end of the hook is provided with a connecting hole, and the hook is hinged to the hinge seat through a pin shaft passing through the connecting hole.

[0009] In some embodiments, one end of the lock body is provided with a connecting portion, the second support rod is symmetrically inserted into the connecting portion, both ends of the connecting portion are provided with hinge holes, and one end of the second support rod is hinged to the hinge hole.

[0010] In some embodiments, the front and rear ends of the chassis assembly are connected with a vehicle frame through the connecting frame, a storage bag is installed between the vehicle frames, the pull ring is provided with a driving hole, the bottom of the storage bag is connected with the driving hole through a string, a handle rod is hinged to the first support rod at the front end, and the bottom of the vehicle frame is symmetrically provided with a plurality of rollers.

[0011] (Three) beneficial effects

[0012] The folding vehicle with the locking mechanism can lock the second support rods on both sides through the lock piece in the locking mechanism after the vehicle frame is opened as a whole, so that the chassis assembly and the vehicle frame as a whole are stable during movement, the storage bag is connected with the pull ring in the locking mechanism, the lock piece can be automatically unlocked by pulling the pull ring to pull the lock block when the storage bag is folded inward, and therefore the chassis assembly and the vehicle frame can be quickly folded and stored. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Fig. 1 It is a perspective view of the folding vehicle with the locking mechanism of the utility model;

[0015] Fig. 2 It is a perspective view of the chassis assembly and the vehicle frame of the folding vehicle with the locking mechanism of the utility model;

[0016] Fig. 3 It is a perspective view of the locking mechanism and the second support rod of the folding vehicle with the locking mechanism of the utility model;

[0017] Fig. 4 It is a locking mechanism perspective view of the folding vehicle with the locking mechanism of the utility model;

[0018] Fig. 5 It is a locking mechanism internal structure perspective view of the folding vehicle with the locking mechanism of the utility model;

[0019] Fig. 6 It is a locking mechanism internal structure explosion view of the folding vehicle with the locking mechanism of the utility model;

[0020] Fig. 7 It is a lock body perspective view of the folding vehicle with the locking mechanism of the utility model.

[0021] The corresponding component name of each reference numeral in the figure is: 1, connecting frame; 2, first support rod; 3, second support rod; 4, lock body; 5, lock block; 6, pull ring; 7, lock piece; 8, insertion slot; 9, insertion piece; 10, hollow slot; 11, clamping hook; 12, sliding slot; 13, hinged seat; 14, connecting hole; 15, connecting part; 16, hinged hole; 17, vehicle frame; 18, storage bag; 19, driving hole; 20, handlebar; 21, roller. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail below with reference to the drawings.

[0023] The embodiments of the present application will be described in detail below with reference to the drawings.

[0024] It is to be understood that the embodiments described hereinbelow within the scope of the appended claims. It will be apparent to one of ordinary skill in the art that aspects described herein can be implemented in a wide variety of forms, and that any specific structure and / or function described herein is merely illustrative. An aspect described herein can be implemented alone or in combination with any other aspect(s). Two or more aspects described herein can be combined in a variety of ways. For example, an apparatus can be implemented using any number and combination of aspects described herein. Additionally, an apparatus can be implemented using other structures and / or functionality in addition to or instead of one or more aspects described herein.

[0025] It is also important to note that the use of the term "illustrative" in describing the above-described embodiments is intended to present examples of the application only and is not intended to limit the scope of the application in any way. For instance, any of the embodiments described herein can be used in combination with any other embodiment described herein.

[0026] In addition, in the following description, numerous specific details are provided in order to provide a thorough understanding of the examples. One skilled in the relevant art will recognize, however, that the application can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth.

[0027] Reference Figs. 1-7 The utility model provides a folding bicycle with locking mechanism, including the bottom frame subassembly and install the connecting frame 1 in the bottom frame subassembly four corners, the bottom frame subassembly includes the first support rod 2 who sets up symmetrically in front and back and the second support rod 3 who sets up symmetrically in both sides, and the both ends of first support rod 2 are fixed in connecting frame 1, and the same side of bottom frame subassembly is equipped with two second support rods 3, and the second support rod 3 is connected through locking mechanism, and locking mechanism includes lock body 4, lock block 5 and pull ring 6, lock block 5 is connected with pull ring 6, and the outer end of second support rod 3 is hinged in connecting frame 1, and the inner end is hinged in lock body 4, and lock piece 7 is installed on lock block 5, and lock piece 7 is locked in the upper end surface of second support rod 3, and the pull ring 6 can be driven lock piece 7 to unlock through lock block 5 and pull second support rod 3.

[0028] In some embodiments, as Figs. 4-7As shown, the locking block 5 is provided with a slot 8, the upper surface of the locking piece 7 is horizontal, the lower end is bent to be provided with an insertion piece 9, the insertion piece 9 is inserted into the slot 8, so that the locking block 5 can drive the locking piece 7 to move, one end of the locking block 5 is provided with a hollow slot 10, the pull ring 6 is provided with a hook 11, the hook 11 is clamped into the hollow slot 10, the pull ring 6 drives the locking block 5 through the hook 11, the lock body 4 is provided with a sliding groove 12, the locking block 5 is slidingly inserted into the lock body 4, the end of the lock body 4 is provided with a hinge seat 13, the end of the hook 11 is provided with a connecting hole 14, the hook 11 is hingedly connected to the hinge seat 13 through the connecting hole 14, so that the pull ring 6 performs a turning movement to pull the locking block 5 along the sliding groove 12 through the bottom of the hook 11; one end of the lock body 4 is provided with a connecting portion 15, the second supporting rod 3 is symmetrically inserted into the connecting portion 15, both ends of the connecting portion 15 are provided with hinge holes 16, one end of the second supporting rod 3 is hingedly connected to the hinge hole 16, the front and rear ends of the chassis assembly are connected with a vehicle frame 17 through the connecting frame 1, a storage bag 18 is installed between the vehicle frames 17, the pull ring 6 is provided with a driving hole 19, the bottom of the storage bag 18 is connected to the driving hole 19 through a wire, and when the storage bag 18 is folded, the pull ring 6 can be directly pulled through the wire to unlock the locking mechanism, in the embodiment, the first supporting rod 2 at the front end is hingedly connected with a handle rod 20, and the bottom of the vehicle frame 17 is symmetrically provided with a plurality of rollers 21.

[0029] The folding vehicle with the locking mechanism can lock the second supporting rods on both sides through the locking piece in the locking mechanism after the vehicle frame is opened as a whole, so that the chassis assembly and the vehicle frame as a whole are stable during movement, the storage bag is connected with the pull ring in the locking mechanism, and the locking piece can be automatically unlocked by pulling the locking block through the pull ring when the storage bag is folded inward, so that the chassis assembly and the vehicle frame can be quickly folded and stored.

[0030] The above only describes the preferred embodiments of the present application, and it should be pointed out that those skilled in the art can make some improvements and decorations without departing from the technical principles of the present application, and these improvements and decorations should also be regarded as the protection scope of the present application.

Claims

1. A folding bicycle with a locking mechanism, comprising a base frame assembly and connecting frames (1) installed at the four corners of the base frame assembly, the base frame assembly comprising first support rods (2) symmetrically arranged at the front and rear ends and second support rods (3) symmetrically arranged on both sides, the two ends of the first support rods (2) being fixed inside the connecting frames (1), characterized in that: Two second support rods (3) are provided on the same side of the base frame assembly. The second support rods (3) are connected by a locking mechanism. The locking mechanism includes a lock body (4), a lock block (5), and a pull ring (6). The lock block (5) is connected to the pull ring (6). The outer end of the second support rod (3) is hinged in the connecting frame (1), and the inner end is hinged in the lock body (4). A lock piece (7) is installed on the lock block (5). The lock piece (7) abuts against the upper surface of the second support rod (3) to lock it. Pulling the pull ring (6) can unlock the second support rod (3) by driving the lock piece (7) away from the lock block (5).

2. The folding bicycle with a locking mechanism as described in claim 1, characterized in that: The locking block (5) is provided with a slot (8), the upper surface of the locking piece (7) is horizontal, and the lower end is bent to provide an insert (9), which is inserted into the slot (8).

3. The folding bicycle with a locking mechanism as described in claim 1, characterized in that: One end of the locking block (5) is provided with a hollow groove (10), and the pull ring (6) is provided with a hook (11), which is engaged in the hollow groove (10).

4. The folding bicycle with a locking mechanism as described in claim 1, characterized in that: The lock body (4) is provided with a sliding groove (12), and the lock block (5) is slidably inserted into the lock body (4).

5. The folding bicycle with a locking mechanism as described in claim 3, characterized in that: The lock body (4) has a hinge seat (13) at one end, and the hook (11) has a connecting hole (14) at one end. The hook (11) is hinged to the hinge seat (13) by a pin passing through the connecting hole (14).

6. The folding bicycle with a locking mechanism as described in claim 1, characterized in that: One end of the lock body (4) is provided with a connecting part (15), and the second support rod (3) is symmetrically inserted into the connecting part (15). Both ends of the connecting part (15) are provided with hinge holes (16), and one end of the second support rod (3) is hinged to the hinge hole (16).

7. The folding bicycle with a locking mechanism as described in claim 1, characterized in that: The front and rear ends of the chassis assembly are connected to the frame (17) via the connecting frame (1), and storage bags (18) are installed between the frames (17).

8. The folding bicycle with a locking mechanism as described in claim 7, characterized in that: The pull ring (6) is provided with a drive hole (19), and the bottom of the storage bag (18) is connected to the drive hole (19) by a rope.

9. The folding bicycle with a locking mechanism as described in claim 7, characterized in that: A handle (20) is hinged to the first support rod (2) at the front end, and rollers (21) are symmetrically installed at the bottom of the frame (17).

Images