CN217553953U

CN217553953U - Rear caster mounting structure of folding bicycle and folding bicycle

Info

Publication number: CN217553953U
Application number: CN202221776760.8U
Authority: CN
Inventors: 李海林; 陈瑞蕾
Original assignee: Qingdao Hairui Outdoor Products Co ltd
Current assignee: Qingdao Hairui Outdoor Products Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-10-11
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a truckle mounting structure behind folding car belongs to shallow technical field, including support one, support one is fixed and is provided with crossbeam one, the below of crossbeam one is provided with two truckles, all be equipped with between truckle and the crossbeam one and carry out the injecing subassembly of injecing to the truckle position, two be provided with the quick detach subassembly between the injecing subassembly. From this, can promote the stability when promoting this device effectively, be applied to the effectual space occupancy that has reduced when folding the car simultaneously.

Description

Rear caster mounting structure of folding bicycle and folding bicycle

Technical Field

The utility model relates to a truckle mounting structure and folding car behind folding car belongs to shallow technical field.

Background

Most outdoor carts are foldable structures, the side structure of the foldable structure is usually a bar double-crossing form, i.e. four bars are needed to be arranged on each side, and the four bars are divided into two groups, two bars in each group are mutually crossed and installed, and then are installed with the frame of the cart.

However, the front caster and the rear caster of the current common cart are fixedly connected, so that the front caster and the rear caster can be in contact with each other when the cart is folded, the cart cannot be completely folded, occupied space is large, and although some carts with distances between two front casters larger than the distance between two rear casters are also found in the market, stability of the cart during moving is reduced. Therefore, how to develop a rear caster wheel mounting structure of a folding bicycle is a problem to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the above-mentioned occupation of land space is great and stability reduces, the utility model provides a truckle mounting structure and folding car behind folding car.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a truckle mounting structure behind folding car, includes support one, support one is fixed to be provided with crossbeam one, the below of crossbeam one is provided with two truckles, all be equipped with between truckle and the crossbeam one and carry out the limited subassembly of injecing the truckle position, two it is provided with quick detach subassembly to inject between the subassembly.

Furthermore, it includes two slides to inject the subassembly, two one side that the slide is relative is the inner wall, the outside of slide all is fixed to be provided with two and is used for making slide and support one to carry out the clamp splice, the clamp splice all is provided with the recess.

Furthermore, the quick detach subassembly includes two card strips, and the card strip sets up in the inboard of one of them slide, the card strip is all fixed and is provided with the arch, another the inboard of slide is provided with two draw-in grooves corresponding with the card strip.

A folding bicycle comprises the rear caster wheel mounting structure.

Further, the folding trolley further comprises a second support, a second cross beam is fixedly arranged on the second support, two locking-type universal wheels are fixedly arranged on the second cross beam, two groups of folding assemblies are arranged between the second support and the first support, the second support and the first support are rotatably connected with a bottom plate through rotating shafts, two connecting plates are arranged on two sides of the bottom plate, two sides of each connecting plate are rotatably connected with the bottom plate through rotating shafts respectively, and a storage bag is arranged above the bottom plate.

Furthermore, two connecting rods are arranged between the second support and the first support, two ends of each connecting rod are rotatably connected with the folding assemblies respectively, and reinforcing ribs are fixedly arranged on the first support and the second support.

Further, the left and right sides at storing bag top all is fixed and is provided with the connecting band, and the connecting band is kept away from one side of storing bag and is pasted through the magic and be connected with the storing bag, the connection has transversal cyclic annular circle portion of personally submitting and connecting rod and strengthening rib all are located circle portion.

Further, folding assembly includes two fixed block one and two fixed block two, and two fixed block one and two fixed block two are fixed respectively on two supports, fixed block one all rotates and is connected with spacing, one side that fixed block one was kept away from to spacing all rotates and is connected with connecting strip one, two one side that spacing was kept away from to connecting strip one rotates through the pivot to be connected, fixed block two all rotates and is connected with connecting strip two, two one side that fixed block two was kept away from to connecting strip two rotates through the pivot to be connected, lies in that connecting strip two and connecting strip one with one side are the fork and arrange and rotate through the pivot and connect.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the clamping blocks and the grooves are arranged, so that the sliding seats can be clamped with the first support, the stability of the device during pushing can be effectively improved, the clamping strips, the bulges and the clamping grooves are adopted, the two sliding seats are connected when the device is folded, the trundles and the locking type universal wheels are overlapped when the device is folded, and the occupied area is effectively reduced;

2. the storage bag is convenient for a user to store articles, the connecting belt is fixed on the storage bag through the magic tape, the connecting rod and the reinforcing ribs are located in the circle portion, and the phenomenon that the trolley is folded when pushed can be effectively avoided.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not limited in scope thereby. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded view of a preferred embodiment of a rear caster mounting structure of a folding cart according to the present invention;

fig. 2 is a front view of a preferred embodiment of the folding cart according to the present invention;

fig. 3 is a cross-sectional view of a preferred embodiment of the folding cart in accordance with the present invention;

fig. 4 is a view of the structure of a bag without storage according to a preferred embodiment of the folding cart according to the present invention.

In the figure: 1. a first bracket; 2. a first cross beam; 3. a slide base; 4. a clamping block; 5. a groove; 6. clamping the strip; 7. a protrusion; 8. a card slot; 9. a caster wheel; 10. reinforcing ribs; 11. a first fixing block; 12. a limiting strip; 13. a first connecting strip; 14. a second fixed block; 15. a second connecting strip; 16. a connecting rod; 17. a base plate; 18. a connecting plate; 19. a storage bag; 20. a connecting belt; 21. a universal wheel with a lock; 22. a second bracket; 23. and a second cross beam.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1, the rear caster mounting structure of the folding bicycle provided in this embodiment includes a first support 1, a first cross beam 2 is fixedly disposed on the first support 1, two casters 9 are disposed below the first cross beam 2, limiting assemblies for limiting the positions of the casters 9 are disposed between the casters 9 and the first cross beam 2, and a quick release assembly is disposed between the two limiting assemblies.

Specifically, inject the subassembly and include two slides 3, and one side that two slides 3 are relative is the inner wall, and the outside of slide 3 all is fixed to be provided with two clamp splice 4 that are used for making slide 3 and support 1 to carry out the joint, and clamp splice 4 all is provided with recess 5.

Specifically, the quick detach subassembly includes two card strips 6, and card strip 6 sets up in the inboard of one of them slide 3, and card strip 6 all fixes being provided with arch 7, and the inboard of another slide 3 is provided with two draw-in grooves 8 corresponding with card strip 6.

It should be noted that, through setting up clamp splice 4 and recess 5, can make slide 3 and support 1 carry out the joint, can promote the stability when promoting this device effectively, adopt card strip 6, arch 7 and draw-in groove 8, when folding this device, make two slides 3 connect to make truckle 9 and area locking-type universal wheel 21 coincide mutually when folding, reduced area effectively

In the present embodiment, as shown in fig. 2 to 4, a foldable vehicle includes the rear caster wheel mounting structure according to the above-mentioned aspect.

Specifically, the folding vehicle further comprises a second support 22, a second cross beam 23 is fixedly arranged on the second support 22, two locking type universal wheels 21 are fixedly arranged on the second cross beam 23, two sets of folding assemblies are arranged between the second support 22 and the first support 1, the second support 22 and the first support 1 are both connected with the bottom plates 17 through rotating shafts, connecting plates 18 are arranged on two sides of the two bottom plates 17, two sides of each connecting plate 18 are both rotatably connected with the bottom plates 17 through rotating shafts respectively, and storage bags 19 are arranged above the two bottom plates 17.

In this embodiment, as shown in fig. 3, two connecting rods 16 are disposed between the second bracket 22 and the first bracket 1, two ends of each connecting rod 16 are rotatably connected to the folding assemblies, and the reinforcing ribs 10 are fixedly disposed on both the first bracket 1 and the second bracket 22.

In this embodiment, as shown in fig. 3, the left and right sides of the top of the storage bag 19 are both fixedly provided with a connecting band 20, and one side of the connecting band 20 away from the storage bag 19 is connected with the storage bag 19 through a hook and loop fastener, the connecting band 20 has a loop portion with a circular cross section, and the connecting rod 16 and the reinforcing rib 10 are both located in the loop portion.

In this embodiment, as shown in fig. 4, the folding assembly includes two first fixed blocks 11 and two second fixed blocks 14, and the two first fixed blocks 11 and the two second fixed blocks 14 are fixed on the two brackets 1 respectively, the first fixed blocks 11 are all rotationally connected with the spacing strips 12, one side of the spacing strips 12 away from the first fixed blocks 11 is all rotationally connected with the first connecting strips 13, one side of the two connecting strips 13 away from the spacing strips 12 is rotationally connected through the rotating shaft, the second fixed blocks 14 are all rotationally connected with the second connecting strips 15, one side of the two connecting strips 15 away from the second fixed blocks 14 is rotationally connected through the rotating shaft, the second connecting strips 15 and the first connecting strips 13 located on the same side are arranged in an intersecting manner and are rotationally connected through the rotating shaft.

The utility model discloses an application principle and use flow: when the device needs to be transported, a user respectively pulls the first support 1 with the caster 9, under the action of pulling force and the caster 9, the first support 1 starts to move, meanwhile, the first connecting strip 13 and the second connecting strip 15 start to rotate by taking a connecting point between the first connecting strip 13 and the second connecting strip as a circle center, the limiting strip 12 starts to turn over along with the first connecting strip 13 until the first connecting strip 13 touches the first support 1, then the connecting strip 20 is pulled to be coated on the reinforcing ribs 10 and the connecting rod 16 and connected with the storage bag 19 through the magic tape, the connecting strip 20 plays a role in winding, the reinforcing ribs 10 and the connecting rod 16 are pulled to avoid the phenomenon of contraction in the pushing process, then the two sliding seats 3 are pulled to enable the clamping strip 6 and the bulges 7 to be drawn out of the clamping grooves 8 until the clamping blocks 4 on the two sliding seats 3 are respectively clamped on two sides of the central axis of the support 1, the fixing of the caster 9 is opened, the locking device is pushed by pulling the first locking support 1 to push the locking device, when the locking strip 6 and the second support 3 are pulled to be folded, the second support 3 is separated from the lower support 3 until the locking strip 3 and the lower support 9 are folded, and the locking strip 6 is pushed to be matched with the other side of the locking device, and the locking strip 19, and the locking device, and the locking strip 3, and the locking device are pushed to be folded.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The present invention has been described in connection with specific embodiments, but it should be clear to a person skilled in the art that these descriptions are intended to be illustrative and not limiting to the scope of the invention. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.

Claims

1. The utility model provides a truckle mounting structure behind folding car, includes support (1), its characterized in that, support (1) is fixed to be provided with crossbeam (2), the below of crossbeam (2) is provided with two truckles (9), all be equipped with between truckle (9) and crossbeam (2) and carry out the limited subassembly of injecing truckle (9) position, two it is provided with quick detach subassembly to inject between the subassembly.

2. The rear caster mounting structure of the folding vehicle as claimed in claim 1, wherein the limiting component comprises two sliding seats (3), one side of each sliding seat (3) opposite to the other side is an inner wall, two clamping blocks (4) for clamping the sliding seats (3) with the first bracket (1) are fixedly arranged on the outer sides of the sliding seats (3), and the clamping blocks (4) are provided with grooves (5).

3. The rear caster mounting structure of the folding bicycle as claimed in claim 2, characterized in that the quick release assembly comprises two clamping strips (6), the clamping strips (6) are arranged on the inner side of one of the sliding bases (3), the clamping strips (6) are fixedly provided with protrusions (7), and the inner side of the other sliding base (3) is provided with two clamping grooves (8) corresponding to the clamping strips (6).

4. A folding cart comprising a rear caster wheel mounting structure, wherein the rear caster wheel mounting structure is according to any one of claims 1 to 3.

5. The folding trolley according to claim 4, further comprising a second support (22), wherein the second support (22) is fixedly provided with a second cross beam (23), the second cross beam (23) is fixedly provided with two locking universal wheels (21), two groups of folding assemblies are arranged between the second support (22) and the first support (1), the second support (22) and the first support (1) are rotatably connected with the base plate (17) through rotating shafts, the two sides of the two base plates (17) are respectively provided with a connecting plate (18), the two sides of the connecting plate (18) are respectively rotatably connected with the base plate (17) through rotating shafts, and a storage bag (19) is arranged above the two base plates (17).

6. The folding trolley according to claim 5, characterized in that two connecting rods (16) are arranged between the second support (22) and the first support (1), two ends of each connecting rod (16) are rotatably connected with the folding assembly, and the first support (1) and the second support (22) are both fixedly provided with the reinforcing ribs (10).

7. The folding cart according to claim 5, wherein the top of the storage bag (19) is fixedly provided with a connecting strap (20) at both left and right sides, and one side of the connecting strap (20) away from the storage bag (19) is connected with the storage bag (19) through a magic tape, the connecting strap (20) has a ring-shaped cross section, and the connecting rod (16) and the reinforcing rib (10) are both positioned in the ring-shaped ring.

8. The folding trolley as claimed in claim 5, characterized in that the folding assembly comprises two first fixing blocks (11) and two second fixing blocks (14), the two first fixing blocks (11) and the two second fixing blocks (14) are respectively fixed on the two first supports (1), the first fixing blocks (11) are rotatably connected with the first limiting strips (12), one sides, far away from the first fixing blocks (11), of the first limiting strips (12) are rotatably connected with the first connecting strips (13), the two sides, far away from the first limiting strips (12), of the first connecting strips (13) are rotatably connected through a rotating shaft, the second fixing blocks (14) are rotatably connected with the second connecting strips (15), the two sides, far away from the second fixing blocks (14), of the second connecting strips (15) are rotatably connected through a rotating shaft, and the second connecting strips (15) and the first connecting strips (13) which are located on the same side are arranged in an intersecting manner and are rotatably connected through a rotating shaft.