CN220130172U - Folding chassis of camping car and camping car - Google Patents

Abstract

The utility model provides a folding underframe of a camping vehicle and the camping vehicle, and aims to solve the problems that the underframe is easy to deform and poor in stability when carrying heavier objects due to the fact that the underframe of the camping vehicle is only provided with a layer of supporting structure in the prior art. The folding underframe of the camping car comprises a connecting seat, a plurality of upper supporting rods and a plurality of lower supporting rods, wherein the lower supporting rods are arranged below the upper supporting rods in a one-to-one correspondence manner, and one end of each lower supporting rod, which is close to the connecting seat, is hinged to the connecting seat; the upper support rod comprises an unfolding position and a folding position relative to the connecting seat; when the upper support rod is in the unfolding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are unfolded outwards; when the upper support rod is in the folding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are both close to the inner side. The folding underframe has stronger bearing capacity and better stability.

Description

Folding chassis of camping car and camping car

Technical Field

The utility model belongs to the technical field of camping vehicles, and particularly relates to a folding underframe of a camping vehicle and the camping vehicle.

Background

Currently, camping vehicles are increasingly used as a transport means. People need use the camping car in the transportation of camping supplies to the place when outdoor camping, when transporting heavier supplies, also require higher intensity to the chassis of camping car, but the chassis of current collapsible camping car is the design of individual layer, usually only four spinal branch vaulting poles and middle connecting seat constitute promptly to thereby four spinal branch vaulting poles encircle the connecting seat in the coplanar when expanding and exert the supporting role, this kind of single-layer chassis structural strength is weaker, produces the deformation easily when bearing heavier article, leads to whole camping car stability to worsen.

Disclosure of Invention

The utility model provides a folding underframe of a camping vehicle and the camping vehicle, and aims to solve the problems that the underframe is easy to deform and poor in stability when carrying heavier objects due to the fact that the underframe of the camping vehicle is only provided with a layer of supporting structure in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a folding underframe of a camping car, which comprises a connecting seat, a plurality of upper supporting rods and a plurality of lower supporting rods, wherein the lower supporting rods are arranged below the upper supporting rods in a one-to-one correspondence manner, and one end of each lower supporting rod, which is close to the connecting seat, is hinged to the connecting seat;

the upper support rod comprises an unfolding position and a folding position relative to the connecting seat; when the upper support rod is in the unfolding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are unfolded outwards; when the upper support rod is in the folding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are both close to the inner side.

The further scheme is as follows: one end of each upper supporting rod, which is close to the connecting seat, is slidably hinged to the connecting seat.

Based on the technical scheme: the sliding hinge means that one end of the upper support rod, which is close to the connecting seat, can rotate relative to the connecting seat while sliding along the connecting seat, the upper support rod can be switched between the unfolding position and the folding position by sliding along the connecting seat, and the upper support rod can rotate relative to the connecting seat by being hinged with the connecting seat, so that the upper support rod can rotate and fold inwards in the folding process, and rotate and unfold outwards in the unfolding process.

The further scheme is as follows: the connecting seat is provided with a guide part matched with each upper supporting rod, and the upper supporting rods are hinged to the guide parts in a sliding mode.

The further scheme is as follows: the guide part comprises a guide groove, guide holes are formed in two side walls of the guide groove, and the upper support rod is arranged on the guide holes in a sliding manner through a pin shaft;

when the upper support rod is in the unfolding position, the upper support rod slides to the upper end of the guide hole; when the upper support rod is in the folded position, the upper support rod slides to the lower end of the guide hole;

the connecting seat is provided with a supporting piece for keeping the upper supporting rod at the unfolding position.

Based on the technical scheme: the upper support rod is arranged on the guide hole in a sliding way through the pin shaft, so that the upper support rod can rotate while sliding up and down along the guide hole. Through setting up support piece and making the bracing piece can keep in the expansion position after sliding to the upper end of guiding hole to make folding chassis stability after expanding better, more stable, can not warp when carrying the heavy object.

The further scheme is as follows: the support piece is a support frame, the upper end of the support frame is hinged with the upper support rod, and the lower end of the support frame is hinged with the lower support rod.

Based on the technical scheme: after the folding underframe is unfolded, the lower supporting rod can play a supporting role on the upper supporting rod through the supporting frame, so that the bearing capacity of the folding underframe is stronger. Two ends of the supporting frame are respectively hinged with the upper supporting rod and the lower supporting rod, so that the switching between the folded state and the unfolded state is facilitated.

The further scheme is as follows: the support frame comprises two support plates, and the upper support rod and the lower support rod are both positioned between the two support plates; when the upper support rod is in the unfolding position, the upper support rod and the support frame slide to the upper end of the guide hole.

Based on the technical scheme: when the upper supporting rod and the supporting frame all slide to the upper end of the guide hole, the upper supporting rod, the lower supporting rod and the supporting frame form a triangular support, and the stability is better.

The further scheme is as follows: the guide hole is arc-shaped, the upper end of the guide hole is bent to form a hook, and the included angle between the hook and the horizontal plane is 0-45 degrees.

Based on the technical scheme: when the folding chassis is in an unfolding state, the upper supporting rod slides to the upper end of the hook through the pin shaft, and the pin shaft is propped against the upper end of the hook, so that the trend of up-and-down shaking of the upper supporting rod can be effectively prevented in the process of pulling the camping car, up-and-down shaking of the upper supporting rod can be effectively avoided, and the stability of the folding chassis is better.

The further scheme is as follows: the upper support rods and the lower support rods are four, the four lower support rods are arranged below the four upper support rods in a one-to-one correspondence mode, and the four upper support rods and the four lower support rods are arranged on the connecting seat in an X shape.

Based on the technical scheme: four upper support rods can be respectively connected with four upright posts of the camping car, so that the camping car is X-shaped after being unfolded, and four lower support rods can be respectively connected with four upright posts of the camping car, so that the camping car is X-shaped after being unfolded.

In a second aspect, the utility model provides a camping vehicle, which comprises two front upright posts, two rear upright posts and the folding chassis of the camping vehicle according to any one of the first aspect, wherein one ends of the four upper support rods and the four lower support rods, which are far away from the connecting seat, are respectively hinged to the lower ends of the two front upright posts and the two rear upright posts.

Based on the technical scheme: after the camping car adopting the folding underframe of the first aspect is unfolded, the bearing capacity is stronger, and the stability is better. Simultaneously four upper support rods and four lower support rods keep away from the lower extreme of connecting seat at two front uprights and two rear uprights respectively to hinge, and the folding and the expansion of the camping car of being convenient for, the accessible upwards lifts the connecting seat and makes the folding of camping car, and the accessible is the connecting seat of pressing downwards makes the unfolding of camping car.

The further scheme is as follows: the lower ends of the front upright post and the rear upright post are respectively provided with a lower hinging seat, and one ends of the four upper supporting rods and the four lower supporting rods, which are far away from the connecting seats, are respectively hinged on the lower hinging seats corresponding to the upper supporting rods and the four lower supporting rods;

the front side frames are arranged between the two front upright posts, the rear side frames are arranged between the two rear upright posts, the hinge frames are arranged between the front upright posts and the rear upright posts on the left side and between the front upright posts and the rear upright posts on the right side, each hinge frame comprises two hinge rods with the end parts hinged together, and the other ends of the two hinge rods are hinged with the front upright posts and the rear upright posts respectively.

The beneficial effects of the utility model are as follows:

according to the utility model, the plurality of lower support rods are arranged below the plurality of upper support rods in a one-to-one correspondence manner, and one end of each lower support rod close to the connecting seat is hinged to the connecting seat, so that after the camping vehicle is unfolded, the upper support rod and the lower support rod enable the underframe of the camping vehicle to have stronger structural strength and better bearing capacity, and can play a role in stably supporting when carrying heavy objects.

According to the utility model, the upper support rod comprises an unfolding position and a folding position relative to the connecting seat, so that the upper support rod can be switched between the unfolding state and the folding state through position switching, and when the upper support rod is in the unfolding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are unfolded outwards, so that the folding chassis is switched to the unfolding state; when the upper support rod is in the folding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are close to the inner side, so that the folding underframe is switched to a folding state.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a folding chassis of a camping car and an unfolding structure of the camping car.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Fig. 3 is a schematic structural view of the connecting seat in the present utility model.

Fig. 4 is a schematic view of a folding chassis of a camping car and a folding structure of the camping car.

Fig. 5 is a schematic structural view of a folding chassis of a camping car and an articulated frame of the camping car according to the present utility model.

The reference numerals in the figures illustrate:

1-an upper support rod; 2-a lower support rod; 3-supporting frames; 4-connecting seats; 41-a guide groove; 42-guiding holes; 421-hooks; 5-a front upright; 6-a rear pillar; 7-a lower hinging seat; 8-rear side frames; 9-front side frames; 10-hinging frame; 11-upper hinge base.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be obtained by a person skilled in the art without creative efforts, are included in the protection scope of the present utility model based on the embodiments of the present utility model.

Example 1

As shown in fig. 1 to 4, the embodiment provides a folding chassis of a camping car, which comprises a connecting seat 4, a plurality of upper support rods 1 and a plurality of lower support rods 2, wherein the plurality of lower support rods 2 are arranged below the plurality of upper support rods 1 in a one-to-one correspondence manner, and one end, close to the connecting seat 4, of each lower support rod 2 is hinged to the connecting seat 4;

the upper support bar 1 comprises an unfolded position and a folded position relative to the connecting seat 4; when the upper support rod 1 is in the unfolding position, one ends of the upper support rod 1 and the lower support rod 2, which are far away from the connecting seat 4, are unfolded outwards; when the upper support rod 1 is in the folded position, one ends of the upper support rod 1 and the lower support rod 2, which are far away from the connecting seat 4, are both closed towards the inner side.

On the basis of the scheme, the upper supporting rods 1 and the lower supporting rods 2 can be four, the four lower supporting rods 2 are arranged below the four upper supporting rods 1 in a one-to-one correspondence mode, and the four upper supporting rods 1 and the four lower supporting rods 2 are arranged on the connecting seat 4 in an X shape. The number of upper support bars 1 and the number of lower support bars 2 in the present embodiment may be set as needed.

Wherein, the connecting seat can be set up to be by joint about first connecting seat and the second connecting seat formation, perhaps integrated into one piece, when adopting joint about first connecting seat and the second connecting seat to form, first connecting seat and second connecting seat are the joint about X shape and are in the same place.

On the basis of any one of the above schemes, one end of each upper support rod 1, which is close to the connecting seat 4, is slidably hinged on the connecting seat 4. The sliding hinge means that one end of the upper support rod 1, which is close to the connecting seat 4, can slide along the connecting seat 4 and simultaneously can rotate relative to the connecting seat 4, the sliding can switch between an unfolding position and a folding position, and the rotation enables the upper support rod 1 to unfold or fold relative to the connecting seat 4.

In this embodiment, a guide portion that mates with each of the upper support rods 1 is provided on the connection base 4, and the upper support rods 1 are slidably hinged to the guide portions.

As a specific embodiment of the guide part, as shown in fig. 1 to 4, the guide part includes a guide groove 41, guide holes 42 are formed on two side walls of the guide groove 41, the upper support rod 1 is slidably disposed on the guide holes 42 through a pin shaft, and the upper support rod 1 can also rotate relative to the connecting seat 4 through the pin shaft while sliding up and down along the guide holes 42; the two ends of the pin shaft are respectively positioned in the guide holes 42 on the two sides, the middle part of the pin shaft passes through the upper support rod 1, the upper support rod 1 is positioned in the guide groove 41, the guide groove 41 is arranged from outside to inside and obliquely downwards, and one end of the lower support rod 2, which is close to the connecting seat 4, is hinged to the lower side of the guide groove 41;

when the upper support bar 1 is in the unfolded position, the upper support bar 1 slides to the upper end of the guide hole 42; when the upper support bar 1 is in the folded position, the upper support bar 1 slides to the lower end of the guide hole 42;

the connecting seat 4 is provided with a supporting piece for keeping the upper supporting rod 1 in the unfolding position.

The shape of the guide hole 42 may be set to be arc as shown in fig. 2 and 3, so that the upper end of the guide hole may be bent to form a hook 421 in order to make the folded chassis more stable in an unfolded state, the angle between the hook 421 and the horizontal plane is 0-45 degrees, when the upper support rod slides to the upper end of the guide hole through the pin shaft, the pin shaft will abut against the upper end of the hook 421, in the process of pushing the camping car, the pin shaft abuts against the upper end of the hook 421, so that the up-and-down back-and-forth shaking generated by the upper support rod can be effectively avoided, the camping car is more stable as a whole, and in particular, the upper support rod can only generate a motion with a very small amplitude at the position of the hook 421.

The guiding part can also be of a common gear rack structure in the prior art, and the function of the guiding part is that the upper supporting rod 1 can rotate while sliding.

As a specific embodiment of the supporting member, as shown in fig. 3 and 4, the supporting member is a supporting frame 3, an upper end of the supporting frame 3 is hinged to the upper supporting rod 1, and a lower end of the supporting frame 3 is hinged to the lower supporting rod 2. Specifically, when the upper end of the support frame 3 is hinged to the upper support rod 1, the same pin shaft that the upper support rod 1 is slidably connected to the guide hole 42 may be adopted, at this time, the support frame 3 is located in the guide groove 41, and the support frame 3 may slide up and down along the guide hole 42.

As a specific embodiment of the support frame 3, as shown in fig. 3 and 4, the support frame includes two support plates, and the upper support bar and the lower support bar are both located between the two support plates; when the upper support rod is in the unfolding position, the upper support rod and the support frame slide to the upper end of the guide hole. When the upper support rod 1 and the support frame 3 slide to the upper end of the guide hole 42, the upper support rod 1, the lower support rod 2 and the support frame 3 form a triangular support, so that the stability is better.

Example two

As shown in fig. 1 to 5, this embodiment provides a camping car, which includes two front posts 5, two rear posts 6, and a folding chassis of the camping car in the first embodiment, wherein one ends of the four upper support rods 1 and the four lower support rods 2, which are far away from the connecting seat 4, are respectively hinged to the lower ends of the two front posts 5 and the two rear posts 6.

Specifically, the lower ends of the front upright post 5 and the rear upright post 6 are respectively provided with a lower hinging seat 7, and one ends of the four upper supporting rods 1 and the four lower supporting rods 2, which are far away from the connecting seat 4, are respectively hinged on the lower hinging seats 7 corresponding to the upper supporting rods 1 and the four lower supporting rods 2;

as shown in fig. 5, a front side frame 9 is disposed between two front uprights 5 of the camping car, a rear side frame 8 is disposed between two rear uprights 6, hinge frames 10 are disposed between the front uprights 5 and the rear uprights 6 on the left side and between the front uprights 5 and the rear uprights 6 on the right side, the hinge frames 10 comprise two hinge rods hinged together at the end portions, and the other ends of the two hinge rods are respectively hinged with the front uprights and the rear uprights. Specifically, the upper end of the front upright post and the upper end of the rear upright post are both provided with an upper hinge seat 11, and the hinge rod is hinged on the upper hinge seat 11 close to the upper hinge seat.

The front side frame, the rear side frame and the hinge frame 10 may be foldable side frame structures in the prior art, and a push rod assembly may be further disposed on the front side of the front side frame 9, for pushing or pulling the camping car, where the push rod assembly may be a push rod assembly in the prior art. The front, back, left and right side frames can be of foldable structure.

Wherein, can also set up the gyro wheel at the lower extreme of every front column 5 and every rear column 6, conveniently remove.

The following is further explained in connection with the working principle:

as shown in fig. 1 and fig. 4, when the camping car is switched from the unfolded state to the folded state, the connecting seat 4 is lifted upwards, at this time, the four lower support rods 2 are rotated inwards to be close, one ends of the four upper support rods 1, which are close to the connecting seat 4, slide downwards along the guide holes 42 and drive one ends of the four upper support rods 1, which are far away from the connecting seat 4, to be rotated inwards to be close, and the four upper support rods 1 and the four lower support rods 2 drive the four upright posts to be moved inwards to be close in the rotating process, so that the front side frame, the rear side frame, the left side frame and the right side frame are folded.

When the camping car switches to the unfolding state from the folding state, the connecting seat 4 is pressed downwards through the connecting seat, the process of the connecting seat is opposite to the folding process, and the connecting seat is not repeated, after the camping car is unfolded, one ends, close to the connecting seat 4, of the four upper supporting rods 1 and the supporting frames 3 are all slid to the upper ends of the guide holes 42, so that the lower supporting rods assist in supporting the upper supporting rods 1 through the supporting frames 3, the bearing capacity of the whole camping car is stronger, and the stability is better.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.

Claims (10)

1. The folding underframe of the camping car is characterized by comprising a connecting seat, a plurality of upper supporting rods and a plurality of lower supporting rods, wherein the lower supporting rods are arranged below the upper supporting rods in a one-to-one correspondence manner, and one end of each lower supporting rod, which is close to the connecting seat, is hinged to the connecting seat;

the upper support rod comprises an unfolding position and a folding position relative to the connecting seat; when the upper support rod is in the unfolding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are unfolded outwards; when the upper support rod is in the folding position, one ends of the upper support rod and the lower support rod, which are far away from the connecting seat, are both close to the inner side.

2. The folding chassis of claim 1, wherein each of the upper support bars is slidably hinged to the connecting base at an end thereof adjacent to the connecting base.

3. The folding chassis of claim 2, wherein the connecting base is provided with a guide portion which is matched with each upper support rod, and the upper support rods are slidably hinged on the guide portions.

4. The folding chassis of the camping car according to claim 3, wherein the guide part comprises a guide groove, guide holes are formed in two side walls of the guide groove, and the upper support rod is arranged on the guide holes in a sliding mode through a pin shaft;

when the upper support rod is in the unfolding position, the upper support rod slides to the upper end of the guide hole; when the upper support rod is in the folded position, the upper support rod slides to the lower end of the guide hole;

the connecting seat is provided with a supporting piece for keeping the upper supporting rod at the unfolding position.

5. The folding chassis of claim 4, wherein the support member is a support frame, the upper end of the support frame is hinged to the upper support bar, and the lower end of the support frame is hinged to the lower support bar.

6. The folding chassis of claim 5, wherein the support frame comprises two support plates, and wherein the upper support bar and the lower support bar are each positioned between the two support plates; when the upper support rod is in the unfolding position, the upper support rod and the support frame slide to the upper end of the guide hole.

7. The folding chassis of claim 4, wherein the guide hole is arc-shaped and the upper end of the guide hole is bent to form a hook, and the angle between the hook and the horizontal plane is 0-45 degrees.

8. The folding chassis of claim 1, wherein the upper support rods and the lower support rods are four, the four lower support rods are arranged below the four upper support rods in a one-to-one correspondence manner, and the four upper support rods and the four lower support rods are arranged on the connecting seat in an x shape.

9. The utility model provides a car of camping, its characterized in that includes two front posts, two rear posts and any one of claims 1 to 8 a folding chassis of car of camping, four go up the bracing piece with four the one end that the connecting seat was kept away from to the lower bracing piece articulates respectively in the lower extreme of two front posts and two rear posts.

10. The camping car as claimed in claim 9, wherein lower ends of the front upright and the rear upright are respectively provided with a lower hinge seat, and one ends of the four upper support rods and the four lower support rods, which are far away from the connecting seats, are respectively hinged on the lower hinge seats corresponding to the upper support rods and the four lower support rods;

the front side frames are arranged between the two front upright posts, the rear side frames are arranged between the two rear upright posts, the hinge frames are arranged between the front upright posts and the rear upright posts on the left side and between the front upright posts and the rear upright posts on the right side, each hinge frame comprises two hinge rods with the end parts hinged together, and the other ends of the two hinge rods are hinged with the front upright posts and the rear upright posts respectively.