CN219969725U - Folding assembly and folding vehicle with same - Google Patents

Abstract

The utility model discloses a folding assembly and a folding vehicle with the same, which comprise a main body structure and connecting rods, wherein the main body structure is arranged between upright rod assemblies, in the connecting ends at one side of the main body structure, connecting rods are arranged between at least one connecting end and the upright rod assemblies, one end of each connecting rod is hinged with the main body structure, the other end of each connecting rod is hinged with the upright rod assemblies, the main body structure is foldable, and when the main body structure is folded, the connecting rods can rotate by taking the hinging points between the connecting rods and the main body structure as rotation centers, so that the main body structure can be folded under the condition that the upright rod assemblies keep the structure unchanged. The folding type folding device is convenient to fold, low in damage rate and long in service life.

Description

Folding assembly and folding vehicle with same

Technical Field

The utility model relates to the technical field of folding vehicles, in particular to a folding assembly and a folding vehicle with the same.

Background

The handcart is used as a tool for on-site material transportation in industrial production and shopping of people, and brings great convenience to production and life. Many of the common trolleys are not foldable, wheels are usually arranged below a flat plate for carrying, the trolleys cannot be folded, and when the trolleys are not used, a large space is occupied, and the trolleys are inconvenient to use, so that the trolleys are designed for being carried conveniently.

The folding bicycle is generally foldable in the whole structure by arranging the folding assemblies on four sides, so that the structure of the folding assemblies is very important for the stability and convenience of the folding bicycle.

In the prior art, there is a folding subassembly, adopts one end to articulate with the pole setting subassembly, and the other end cup joints with the pole setting subassembly activity and realizes folding scheme, however, in this technical scheme, because when folding, the sliding sleeve can rub with the pole setting subassembly, so can produce certain resistance, folding convenience influences to because the sliding sleeve rubs with the pole setting subassembly for a long time, consequently damages easily, makes the frequency that needs maintenance and change higher, very inconvenient.

Disclosure of Invention

The utility model aims to provide a folding assembly which can reduce the damage rate of accessories and is more convenient to fold.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a folding subassembly, includes major structure and connecting rod, the major structure is installed between the pole setting subassembly, and be in the link of major structure one side, at least one the link with be equipped with between the pole setting subassembly the connecting rod, the one end of connecting rod with the major structure articulates, and the other end articulates on the pole setting subassembly, the major structure is collapsible, and works as when the major structure folds, the connecting rod can use with hinge point between the major structure is the rotation center and rotates, so that the major structure can the pole setting subassembly keeps the structure unchangeable fold down.

Preferably, two connecting ends are arranged on two sides of the main body structure, two fixed mounting seats are arranged on the vertical rod assembly, one connecting end is hinged with the connecting rod, and the other connecting end and the other end of the connecting rod are respectively hinged to the corresponding fixed mounting seats.

As another preferred aspect, the main structure comprises at least one X-shaped folding unit comprising two cross-hinged struts, the X-shaped folding units being connected side by side when the X-shaped folding unit has more than two.

It is further preferred that the direction of rotation of the connecting rod is adapted to the direction of movement of the connecting end hinged thereto when folded.

Further preferably, the two connection ends are divided into a first connection end arranged at a high position and a second connection end arranged at a low position, the connecting rod is mounted on the second connection end, and the hinge point between the connecting rod and the upright rod assembly is higher than the hinge point between the connecting rod and the second connection end, so that when the main structure is folded, the connecting rod can rotate downwards and drive the main structure to move downwards.

It is further preferred that the top end of the main structure is flush with or lower than the top end of the pole assembly when the main structure is folded.

Further preferably, the X-shaped folding unit is asymmetric left and right, and in the X-shaped folding unit connected to the pole assembly, a side closer to the pole assembly is larger than a side farther from the pole assembly.

Further preferably, the X-shaped folding units are vertically symmetrical, and two adjacent X-shaped folding units are symmetrical with a connecting line of an upper hinge point and a lower hinge point between the two as a central line.

The utility model also provides a folding vehicle, which comprises the folding assembly.

Further preferably, the folding cart further comprises a vertical rod assembly, a bottom frame assembly, roller assemblies and a handle assembly, wherein the vertical rod assembly is four, connecting lines of the vertical rod assembly are of a rectangular structure, the folding assembly is four and is respectively arranged on four faces of the rectangular structure, the roller assemblies are arranged at the bottom ends of the vertical rod assembly and used for achieving movement of the folding cart, the bottom frame assembly is arranged between the vertical rod assemblies and used for achieving synchronization of transverse folding and longitudinal folding of the folding cart, and the handle assembly is arranged at the front end of the vertical rod assembly and used for providing a force application carrier.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model adopts the technical means that the connecting rod is arranged between the main body structure and the upright component, and the connecting rod can ensure the movable end part of the main body structure through the rotation of the connecting rod, so that when the main body structure is folded, the main body structure can be folded by the rotation of the connecting rod, the structure of the folding component can be optimized, a sliding sleeve is not needed, the resistance during folding is smaller, the sliding sleeve is more convenient, the sliding sleeve with high damage rate is removed, the maintenance frequency and the cost can be reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic view of a folding cart according to the present utility model in an unfolded state;

FIG. 2 is a schematic view of the folding bicycle of the present utility model in a folded state;

FIG. 3 is an exploded view of the folding assembly of the present utility model in its unfolded state;

FIG. 4 is a schematic view of the folding assembly of the present utility model in a folded state;

FIG. 5 is a schematic view of the main structure and the connecting rod of the present utility model in one state;

FIG. 6 is a schematic view of the main structure and the connecting rod of the present utility model in another state;

FIG. 7 is a diagram showing an alignment of the two states shown in FIGS. 5 and 6;

FIG. 8 is a schematic view of the main structure and the connecting rod in the folded state of the present utility model;

FIG. 9 is a schematic view of another embodiment of a body structure of the present utility model;

fig. 10 is a schematic diagram showing a comparison of two folded structures.

In the figure: 1. a folding assembly; 11. a main body structure; 111. an X-shaped folding unit; 1111. a support rod; 112. a first connection end; 113. a second connection end; 12. a connecting rod; 2. a pole assembly; 21. fixing the mounting base; 211. a first fixed mount; 212. the second fixed mounting seat; 3. a chassis assembly; 4. a roller assembly; 5. a handle assembly.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the prior art, there is a folding subassembly, adopts one end to articulate with the pole setting subassembly, and the other end cup joints with the pole setting subassembly activity and realizes folding scheme, however, in this technical scheme, because when folding, the sliding sleeve can rub with the pole setting subassembly, so can produce certain resistance, folding convenience influences to because the sliding sleeve rubs with the pole setting subassembly for a long time, consequently damages easily, makes the frequency that needs maintenance and change higher, very inconvenient.

As an improvement, as shown in fig. 1 to 10, the preferred embodiment of the present utility model is:

the utility model provides a folding subassembly 1, including major structure 11 and connecting rod 12, major structure 11 installs between pole setting subassembly 2, and be equipped with connecting rod 12 between at least one link and pole setting subassembly 2 in the link of one side of major structure 11, the one end of connecting rod 12 articulates with major structure 11, the other end articulates on pole setting subassembly 2, major structure 11 is collapsible, and when major structure 11 is folding, connecting rod 12 can rotate as the center of rotation with the hinge point between the major structure 11, so that major structure 11 can keep the structure unchangeable under the pole setting subassembly 2.

Compared with the prior art, all the connecting ends on the main body structure 11 are not all directly hinged on the vertical rod assembly 2, but at least one connecting end is connected with the vertical rod assembly 2 through the connecting rod 12, so when the main body structure 11 is folded, the connecting ends can be driven to move through the rotation of the connecting rod 12, and the requirement of the main body structure 11 in folding is met, therefore, the main body structure 11 can be folded by matching with the connecting rod 12, so that the structure can be optimized, a sliding sleeve is omitted, the folding assembly 1 can not be subjected to resistance caused by friction between the sliding sleeve and the vertical rod assembly 2 in folding, the folding is smoother and more convenient, fittings with high abrasion are omitted, the service life can be effectively prolonged, and the maintenance and replacement cost is reduced.

Further, as shown in fig. 3 to 8, in this embodiment, two connection ends are disposed on two sides of the main body structure 11, two fixed mounting seats 21 are disposed on the upright component 2, and one of the two connection ends on the same side is hinged with the connecting rod 12, and the other connection end and the other end of the connecting rod 12 are respectively hinged on the fixed mounting seats 211 and 212. The structure is simple and stable, the main structure 11 with two connecting ends at one side is most common in practical use, the user can understand and use the main structure more conveniently, in the two connecting ends at one side, the connecting rod 12 is arranged on one connecting end, the other connecting end is hinged on one fixed mounting seat 21 as usual, the structure can be further optimized, the complexity of the structure is reduced, the production cost and the use damage rate are reduced, and in addition, the normal folding of the main structure 11 can not be influenced by the connecting rod 12 arranged on one connecting end.

Specifically, as shown in fig. 3 and 9, in the present embodiment, the main body structure 11 includes at least one X-shaped folding unit 111, and the X-shaped folding unit 111 includes two cross-hinged struts 1111, and when the X-shaped folding unit 111 has more than two, the X-shaped folding units 111 are connected side by side. The structure is simple and stable, the folding performance is good, and the number of the X-shaped folding units 111 can be determined according to actual requirements during actual production, and only one connecting end of the connecting ends on two sides of the X-shaped folding units is required to be connected with the upright component 2 through the connecting rod 12.

Further, in the present embodiment, the X-shaped folding unit 111 is asymmetric left and right, that is, the hinge point between the two struts 1111 is a non-center point, and in the X-shaped folding unit 111 connected to the pole assembly 2, a side close to the pole assembly 2 is larger than a side far from the pole assembly 2. The structure can lead the transverse length of the main body structure 11 finally formed by the utility model to be longer than that formed after the main body structure is arranged at the central point under the splicing of the struts 1111 with the same number and length, and has the advantages of optimizing the structure and reducing the cost.

The specific principle is as follows: as shown in fig. 10, assuming that two folding structures are directly and fixedly installed between the pole assemblies 2 in an unfolded state, the number of the poles 1111 and the length of the poles constituting the folding structure are the same as those of the connection point of the pole assemblies 2, the difference is that the two poles 1111 hinged to each other in the first folding structure are laterally symmetrical about the center point to form an X-shaped folding unit 111, the two poles 1111 hinged to each other in the second folding structure are laterally asymmetrical about the non-center point to form an X-shaped folding unit 111, and in the second folding structure, the side close to the pole assemblies 2 is larger than the side far from the pole assemblies 2 in the X-shaped folding unit 111 connected to the pole assemblies 2, it can be seen from the figure that the second folding structure is significantly larger in lateral length than the first folding structure, while the folding assembly 1 of the present utility model is similar to the second folding structure in connection manner to the pole assemblies 2, and therefore the folding assembly 1 of the present utility model has the same advantageous effects.

Further, in the present embodiment, the X-shaped folding units 111 are vertically symmetrical, and two adjacent X-shaped folding units 111 are symmetrical with a connecting line of an upper hinge point and a lower hinge point between the two as a central line. The above structure can make the whole structure look more neat and beautiful, and more importantly, the above structure can effectively ensure the folding performance of the X-shaped folding unit 111.

In this embodiment, the direction of rotation of the connecting rod 12 is adapted to the direction of movement of the connecting end hinged to the connecting rod 12 when folded. In short, in this embodiment, the two connection ends are divided into the first connection end 112 disposed at the high position and the second connection end 113 disposed at the low position, if the main structure 11 is separately taken out for folding, the first connection end 112 will move upward, and the second connection end 113 will move downward, so if the connection rod 12 is disposed at the first connection end 112, its rotation direction should be upward rotation, and if the connection rod 12 is disposed at the second connection end 113, its rotation direction should be downward rotation, so that the above structure can effectively ensure that the whole structure is smoother and smoother during folding, and can effectively avoid the phenomenon of jamming.

The connecting rod 12 is only arranged on one connecting end, so that the symmetrical line of the upper and lower symmetry of the main body structure 11 moves when the main body structure 11 is folded, namely the whole structure moves, and in order to ensure smooth folding, the rotating direction of the connecting rod 12 is matched with the moving direction of the connecting end hinged with the connecting rod 12 when the main body structure is folded, so that the connecting rod 12 is arranged on the second connecting end 113 in the embodiment, and the hinge point between the connecting rod 12 and the upright component 2 is higher than the hinge point between the connecting rod 12 and the second connecting end 113, so that the connecting rod 12 can rotate downwards when the main body structure 11 is folded, and the main body structure 11 is driven to move downwards.

The above structure has multiple aspects, and can effectively ensure the normal implementation of each function, and more importantly, the above structure can also enable the whole structure 11 to move downwards when the folding vehicle is folded, and because the folding assembly 1 is generally arranged above and the roller assembly 4 is arranged below the folding assembly in the folding vehicle, the folding vehicle moves downwards, the volume after folding is not increased, and the whole structure can also be more compact and attractive.

Further, as shown in fig. 2 and 4, in this embodiment, when the main structure 11 is folded, the top end of the main structure 11 is flush with the top end of the upright component 2. The structure further ensures that the occupied area of the overall structure after folding is small, and the surface flush can enable the overall structure to look tidier and more attractive. Of course, in actual production, to further make the structure more compact, the top end of the main structure 11 is lower than the top end of the upright component 2 after the main structure 11 is folded, and can be selected according to actual requirements.

As shown in fig. 1 and 2, the present utility model further provides a folding cart, which includes the folding assembly 1 described above.

Further, in this folding cart embodiment, the folding cart still includes pole setting subassembly 2, chassis subassembly 3, roller component 4 and handle subassembly 5, pole setting subassembly 2 has four, and the line of pole setting subassembly 2 is rectangular structure, folding subassembly 1 has four and sets up respectively on rectangular structure's four faces, roller component 4 sets up in pole setting subassembly 2 bottom for realize the removal of folding cart, chassis subassembly 3 sets up between pole setting subassembly 2, be used for realizing folding cart transversely and the vertically folding synchronization, handle subassembly 5 sets up the front end at pole setting subassembly 2, be used for providing the application of force carrier. The structure is used for realizing each function of the folding bicycle, so that the folding bicycle is more convenient and flexible to use.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A folding assembly, characterized in that: including major structure and connecting rod, the major structure is installed between the pole setting subassembly, and is in the link of major structure one side, at least one the link with be equipped with between the pole setting subassembly the connecting rod, the one end of connecting rod with the major structure articulates, and the other end articulates on the pole setting subassembly, the major structure is collapsible, and works as when the major structure is folding, the connecting rod can use with hinge point between the major structure is the center of rotation rotates, so that the major structure can the pole setting subassembly keeps the structure unchangeable to fold.

2. A folding assembly as claimed in claim 1, wherein: the utility model discloses a pole setting assembly, including main structure, pole setting assembly, connecting rod and pole setting assembly, main structure's both sides all are equipped with two the connecting end, be equipped with two fixed mounting seats on the pole setting assembly, and in the two of same side in the connecting end, one on the connecting end articulated have the connecting rod, another the connecting end and the other end of connecting rod is articulated respectively on corresponding fixed mounting seat.

3. A folding assembly as claimed in claim 2, wherein: the main body structure comprises at least one X-shaped folding unit, the X-shaped folding unit comprises two cross hinged supporting rods, and when the X-shaped folding unit is provided with more than two, the X-shaped folding units are connected side by side.

4. A folding assembly as claimed in claim 2, wherein: the rotation direction of the connecting rod is matched with the moving direction of the connecting end hinged with the connecting rod when the connecting end is folded.

5. A folding assembly as defined in claim 4, wherein: the two connecting ends are divided into a first connecting end arranged at a high position and a second connecting end arranged at a low position, the connecting rod is arranged on the second connecting end, and the hinge point between the connecting rod and the vertical rod assembly is higher than the hinge point between the connecting rod and the second connecting end, so that when the main structure is folded, the connecting rod can rotate downwards and drive the main structure to move downwards.

6. A folding assembly as defined in claim 5, wherein: when the main body structure is folded, the top end of the main body structure is flush with the top end of the vertical rod assembly or lower than the top end of the vertical rod assembly.

7. A folding assembly as claimed in claim 3, wherein: the X-shaped folding units are asymmetric left and right, and in the X-shaped folding units connected with the vertical rod assembly, one side close to the vertical rod assembly is larger than one side far away from the vertical rod assembly.

8. A folding assembly as claimed in claim 7, wherein: the X-shaped folding units are vertically symmetrical, and two adjacent X-shaped folding units are symmetrical by taking the connecting line of the upper hinge point and the lower hinge point between the two X-shaped folding units as the central line.

9. A folding cart, characterized in that: comprising a folding assembly according to any of claims 1-8.

10. A folding cart as defined in claim 9, wherein: the folding cart further comprises upright components, underframe components, roller components and handle components, wherein the upright components are four, connecting lines of the upright components are of rectangular structures, the folding components are four and are respectively arranged on four faces of the rectangular structures, the roller components are arranged at the bottom ends of the upright components and used for achieving movement of the folding cart, the underframe components are arranged between the upright components and used for achieving synchronization of transverse folding and longitudinal folding of the folding cart, and the handle components are arranged at the front ends of the upright components and used for providing force application carriers.