CN219467787U - Folding trailer - Google Patents

Abstract

The application provides a folding trailer, which comprises a folding framework structure and a containing part arranged in the folding framework structure; the foldable framework structure comprises a framework main body part, wherein both sides of the top of the framework main body part are connected with transverse supporting parts, and the framework main body part is also connected with a hand pulling part; the framework main body part comprises a folding chassis piece, a vertical support piece is connected to the folding chassis piece, and the transverse support part is connected with the vertical support piece. The utility model discloses a support to holding portion can be accomplished through skeleton main part and the horizontal supporting part that set up, and the folding of skeleton main part and horizontal supporting part compares the structure simpler with prior art for whole weight and cost can both be reduced, do benefit to the use, and this application can not increase holistic height after folding, more conveniently accomodate.

Description

Folding trailer

Technical Field

The utility model relates to the technical field of trailers, in particular to a folding trailer.

Background

In daily life and production, luggage, articles and the like are often required to be carried, a trailer tool is often used in the carrying process, and the trailer is widely applied in carrying the articles due to the characteristics of convenient pushing, time saving and labor saving;

the folding trailer is generally composed of a foldable framework and a containing bag arranged in the framework, and convenient storage is realized through framework folding, but in the prior art, the folding framework is composed of more rods, so that the structure is complex, the rods are more, the weight is increased, the cost is high, and the use is not facilitated;

for example: chinese utility model patent: CN201520356228.4, "a folding trailer", the specification of which discloses: comprises wheels, a front wheel bracket, a rear wheel bracket and a base; the wheels are respectively arranged at the bottom ends of the front wheel bracket and the rear wheel bracket; the front wheel bracket is hinged with the rear wheel bracket; the base is divided into a first base and a second base; the first base is hinged with the front wheel bracket; the second base is hinged with the rear wheel bracket; the first base is hinged with the second base; when the folding trailer is unfolded, the first base and the second base are coplanar; the first base and/or the second base have a junction limiting member that causes the first base and the second base to be coplanar when the folding trailer is unfolded; the above patent can be used to demonstrate the drawbacks of the prior art.

We have therefore improved on this and have proposed a folding trailer.

Disclosure of Invention

The utility model aims at: the folding framework comprises a plurality of rods, so that the folding framework has the advantages that the structure is complex, the rods are numerous, the weight is increased, the cost is high, and the folding framework is unfavorable for use.

In order to achieve the above object, the present utility model provides a folding trailer to improve the above problems.

The application is specifically such that:

comprises a folding skeleton structure and a containing part arranged in the folding skeleton structure;

the foldable framework structure comprises a framework main body part, wherein both sides of the top of the framework main body part are connected with transverse supporting parts, and the framework main body part is also connected with a hand pulling part;

the framework main body part comprises a folding chassis piece, a vertical support piece is connected to the folding chassis piece, and the transverse support part is connected with the vertical support piece.

As the preferred technical scheme of this application, folding chassis spare includes main connecting seat, four kerve have been seted up to the bottom of main connecting seat, four equal fixed mounting has the connecting axle in the kerve, four the surface of connecting axle all overlaps and is equipped with the bottom sprag pole.

As the preferred technical scheme of this application, four the one end that main connecting seat was kept away from to the bottom bracing piece all articulates there is connecting seat one, four the wheel is all installed to the bottom of connecting seat one.

As the preferred technical scheme of this application, vertical support spare includes four vertical support bars, four vertical support bars respectively fixed mounting is at the top of four connecting seats one, four equal fixedly connected with connecting seat two between the top of vertical support bar.

As the preferred technical scheme of this application, two horizontal supporting part sets up respectively between four connecting seat two, horizontal supporting part includes two horizontal bracing pieces, two the one end that horizontal bracing piece kept away from each other is articulated with connecting seat two, two the one end that horizontal bracing piece is close to each other is connected with the connecting piece that can lock.

As the preferred technical scheme of this application, the connecting piece includes articulated seat two and articulated seat one that link together through pivot and bearing, articulated seat two and articulated seat one are fixed connection respectively on the one end that two horizontal bracing pieces are close to each other.

As a preferred technical scheme of the application, a circular groove I is formed in the hinge seat I, and a limiting groove I is formed in the side wall of the circular groove I;

the hinge seat is characterized in that a round groove II is formed in the hinge seat, a limiting groove II is formed in the side wall of the round groove II, two slots are further formed in the round groove II, an unlocking button is connected between the two slots in a sliding mode, and one end of the unlocking button extends out of one side, far away from the hinge seat I, of the hinge seat II.

As the preferred technical scheme of this application, it has the ring to slide between circular slot two and the circular slot one, fixedly connected with stopper on the ring, the stopper is pegged graft between spacing groove one and spacing groove two, one side that unlock button was kept away from to the ring is connected with the spring, the spring is arranged in circular slot one.

As the preferred technical scheme of this application, the holding portion is the holding bag, the holding bag is used for depositing article, the holding bag sets up between main connecting seat top and horizontal bracing piece, and the side and the vertical bracing piece of holding bag are connected.

As the preferred technical scheme of this application, hand power portion is including articulating the connecting rod between two wherein connecting seat ones, two it has connecting seat three to articulate between the connecting rod, the middle part of connecting seat three alternates and is connected with the pull rod, pass through the bolt fastening between pull rod and the connecting seat three.

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

in the scheme of the application:

in order to solve among the prior art folding skeleton by more member component, not only the structure is complicated, and the member is numerous not only to increase weight moreover, but also leads to with high costs, be unfavorable for the problem of using, this application can accomplish the support to holding portion through skeleton main part and the horizontal supporting part that set up, and the folding of skeleton main part and horizontal supporting part is simpler with prior art structure for whole weight and cost can all be reduced, do benefit to the use, and this application can not increase holistic height after folding, more conveniently accomodate.

Drawings

FIG. 1 is a schematic view of a folding trailer provided herein;

FIG. 2 is a schematic structural view of a folding framework structure of a folding trailer provided by the present application;

FIG. 3 is a schematic bottom view of a folding framework structure of a folding trailer provided herein;

fig. 4 is a schematic structural view of a main connection seat of the folding trailer provided by the application;

FIG. 5 is an enlarged schematic view of the folding trailer of FIG. 3A;

FIG. 6 is an enlarged schematic view of the structure of the folding trailer of FIG. 4B provided herein;

FIG. 7 is a schematic view of a connection between a ring and a groove I of a folding trailer according to the present disclosure;

FIG. 8 is a schematic view of a circular slot one of the folding trailer provided by the present application;

fig. 9 is a schematic diagram of a connection structure between an unlocking button and a hinge seat two of the folding trailer provided by the application;

fig. 10 is a schematic structural view of a second circular groove of the folding trailer provided by the present application;

fig. 11 is a schematic structural view of a ring and a stopper of a folding trailer provided by the application.

The figures indicate:

1. a skeleton main body; 101. a main connecting seat; 102. a bottom groove; 103. a connecting shaft; 104. a bottom support bar; 105. a first connecting seat; 106. a wheel; 107. a vertical support rod; 108. a second connecting seat;

2. a lateral support portion; 201. a transverse support bar; 202. a hinge seat I; 203. a hinge seat II; 204. a round groove I; 205. a first limit groove; 206. a round groove II; 207. a limiting groove II; 208. a slot; 209. a circular ring; 210. a limiting block; 211. a spring; 212. an unlock button; 213. a rotation shaft hole;

3. a hand pulling part; 301. a connecting rod; 302. a third connecting seat; 303. a pull rod;

4. and (5) accommodating the bag.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As described in the background art, the prior art folding skeleton is composed of a plurality of rods, which not only has a complex structure, but also has a plurality of rods, which not only increases the weight, but also causes high cost and is not beneficial to use.

In order to solve the technical problem, the utility model provides a folding trailer which is applied to provide the folding trailer with a simple structure.

Specifically, referring to fig. 1-3, the folding trailer specifically includes:

comprises a folding skeleton structure and a containing part arranged in the folding skeleton structure;

the folding type framework structure comprises a framework main body part 1, wherein both sides of the top of the framework main body part 1 are connected with a transverse supporting part 2, and a hand pulling part 3 is also connected in the framework main body part 1;

the framework main body part 1 comprises a folding chassis piece, a vertical supporting piece is connected to the folding chassis piece, and a transverse supporting part 2 is connected with the vertical supporting piece.

According to the folding trailer provided by the utility model, the supporting of the accommodating part can be completed through the arranged framework main body part 1 and the transverse supporting part 2, and compared with the prior art, the folding structure of the framework main body part 1 and the transverse supporting part 2 is simpler, so that the whole weight and the cost can be reduced, the folding trailer is beneficial to use, and the whole height cannot be increased after the folding trailer is folded, and the folding trailer is more convenient to store.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1-4, a folding trailer includes a folding skeleton structure and a receiving portion disposed in the folding skeleton structure;

the folding type framework structure comprises a framework main body part 1, wherein both sides of the top of the framework main body part 1 are connected with transverse supporting parts 2, the framework main body part 1 is also connected with a hand pulling part 3, and the stability of the framework main body part 1 can be improved due to the arrangement of the transverse supporting parts 2;

the framework main body part 1 comprises a folding chassis piece, a vertical support piece is connected to the folding chassis piece, and the transverse support part 2 is connected with the vertical support piece;

this application can accomplish the support to the holding portion through skeleton main part 1 and the horizontal supporting part 2 that set up, and the folding of skeleton main part 1 and horizontal supporting part 2 is simpler with prior art structure for whole weight and cost can both be reduced, do benefit to the use, and this application can not increase holistic height after folding, more conveniently accomodate.

Example 2

For further optimization of the folding trailer provided in embodiment 1, specifically, as shown in fig. 2-11, the folding chassis member includes a main connecting seat 101, four bottom slots 102 are provided at the bottom of the main connecting seat 101, connecting shafts 103 are fixedly installed in the four bottom slots 102, bottom supporting rods 104 are sleeved on the outer surfaces of the four connecting shafts 103, and the main connecting seat 101 adopts an X-shaped design, so that when the four bottom supporting rods 104 are unfolded, one ends of the four bottom supporting rods 104 far away from the main connecting seat 101 can be prevented from approaching each other.

Further, as shown in fig. 2-4, one ends of the four bottom support rods 104 far away from the main connecting seat 101 are hinged with a first connecting seat 105, wheels 106 are mounted at the bottoms of the first four connecting seats 105, the wheels 106 are used for integrally moving, when the folding is performed, the main connecting seat 101 is pulled upwards, at the moment, one ends of the bottom support rods 104 close to the main connecting seat 101 move upwards under the driving of the main connecting seat 101, and the first four connecting seats 105 are driven to be close to each other through the four bottom support rods 104, so that folding is achieved.

Further, as shown in fig. 2, the vertical supporting piece includes four vertical supporting rods 107, the four vertical supporting rods 107 are respectively and fixedly installed at the top of the first 105 of four connecting seats, the second 108 of connecting seats is fixedly connected between the top ends of the four vertical supporting rods 107, the second 108 of four connecting seats can be supported by the four vertical supporting rods 107, and the vertical supporting rods 107 and the transverse supporting parts 2 are mutually matched to further support the accommodating bag 4.

Further, as shown in fig. 2-6, two transverse supporting portions 2 are respectively arranged between the four connecting seats two 108, each transverse supporting portion 2 comprises two transverse supporting rods 201, one ends, away from each other, of the two transverse supporting rods 201 are hinged with the connecting seats two 108, one ends, close to each other, of the two transverse supporting rods 201 are connected with lockable connecting pieces, the connecting pieces are foldable, when the connecting pieces are unfolded and locked, the transverse supporting rods 201 can support the accommodating bag 4, after the connecting pieces are unlocked, the connecting pieces can be folded downwards, namely, the height cannot be increased when the connecting pieces are folded integrally, and carrying and storage are facilitated.

Further, as shown in fig. 6, the connecting piece includes a second hinge seat 203 and a first hinge seat 202 that are connected together by a rotating shaft and a bearing, the second hinge seat 203 and the first hinge seat 202 are respectively and fixedly connected to one ends of the two transverse supporting rods 201 that are close to each other, so that the two transverse supporting rods 201 can be connected together and can also be folded, and the first round groove 204 and the second round groove 206 are both provided with a rotating shaft hole 213, and the rotating shaft hole 213 is used for setting the rotating shaft and the bearing.

Further, as shown in fig. 8-10, a first circular groove 204 is formed in the first hinge seat 202, and a first limiting groove 205 is formed on a side wall of the first circular groove 204;

the hinge seat two 203 is provided with a round groove two 206, the round groove two 206 and the round groove one 204 are close to each other, the side wall of the round groove two 206 is provided with a limit groove two 207, the position of the limit groove two 207 corresponds to that of the limit groove one 205, the round groove two 206 is also provided with two slots 208, an unlocking button 212 is connected between the two slots 208 in a sliding manner, one end of the unlocking button 212 extends out from one side of the hinge seat two 203 away from the hinge seat one 202, and one end of the unlocking button 212 extends out is used for being pressed by a user when the user unlocks.

Further, as shown in fig. 6, fig. 7, fig. 9 and fig. 11, a ring 209 is slid between the second round groove 206 and the first round groove 204, a limiting block 210 is fixedly connected to the ring 209, the limiting block 210 is inserted between the first round groove 205 and the second round groove 207, a spring 211 is connected to one side of the ring 209 away from the unlocking button 212, the spring 211 is located in the first round groove 204, one side of the ring 209 away from the spring 211 is in contact with the unlocking button 212, when the limiting block 210 is inserted between the first round groove 205 and the second round groove 207, the first hinge seat 202 and the second hinge seat 203 can be locked, so that the first hinge seat 202 and the second hinge seat 203 cannot rotate, the unlocking button 212 is pushed, the ring 209 drives the limiting block 210 to move, the limiting block 210 is separated from the second round groove 207, and the first hinge seat 202 and the second hinge seat 203 can rotate.

Example 3

Further optimizing the folding trailer provided in embodiment 2, specifically, as shown in fig. 1, the accommodating portion is an accommodating bag 4, the accommodating bag 4 is used for storing articles, the accommodating bag 4 is arranged between the top of the main connecting seat 101 and the transverse supporting rod 201, and the side surface of the accommodating bag 4 is connected with the vertical supporting rod 107, and the accommodating bag 4 is used for accommodating articles.

Further, as shown in fig. 1, the hand pulling portion 3 includes a connecting rod 301 hinged between two connecting seats 105, a connecting seat three 302 is hinged between two connecting rods 301, a pull rod 303 is connected in a penetrating manner in the middle of the connecting seat three 302, the pull rod 303 and the connecting seat three 302 are fixed by bolts, the bolts are provided with handles which are convenient for users to rotate, when the skeleton main body portion 1 is folded, the connecting seat three 302 moves upwards, and the pull rod 303 can be pushed downwards after the bolts are screwed off, so that the overall height after folding cannot be increased.

The folding trailer provided by the utility model has the following using process:

during folding, firstly, bolts of the connecting pull rod 303 and the connecting seat III 302 are screwed off, two unlocking buttons 212 are simultaneously pressed by two hands, after unlocking, the hinge seat II 203 or the hinge seat I202 is slightly pushed downwards, so that the limiting block 210 is staggered with the limiting groove II 207, the main connecting seat 101 is pulled upwards, at the moment, one end of the bottom supporting rod 104, which is close to the main connecting seat 101, is driven by the main connecting seat 101 to move upwards, the four connecting seats I105 are driven by the four bottom supporting rods 104 to be close to each other, and one end of the transverse supporting rod 201, which is far from the connecting seat II 108, is folded downwards, so that folding is completed;

when the main connecting seat 101 is unfolded, the main connecting seats 101 are pushed downwards, so that the four main connecting seats 101 are unfolded, the hinge seat I202 or the hinge seat II 203 are lifted upwards, when the limiting block 210 is aligned to the limiting groove II 207, the acting force of the spring 211 pushes the circular ring 209 to enable the limiting block 210 to be inserted into the limiting groove II 207, namely, locking is completed, the pull rod 303 is pulled upwards, and then the pull rod 303 and the connecting seat III 302 are fixed through bolts.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (6)

1. The folding trailer is characterized by comprising a folding framework structure and a containing part arranged in the folding framework structure;

the foldable framework structure comprises a framework main body part (1), wherein both sides of the top of the framework main body part (1) are connected with transverse supporting parts (2), and a hand pulling part (3) is also connected in the framework main body part (1);

the framework main body part (1) comprises a folding chassis piece, a vertical supporting piece is connected to the folding chassis piece, and the transverse supporting part (2) is connected with the vertical supporting piece;

the foldable chassis part comprises a main connecting seat (101), four bottom grooves (102) are formed in the bottom of the main connecting seat (101), connecting shafts (103) are fixedly arranged in the four bottom grooves (102), and bottom supporting rods (104) are sleeved on the outer surfaces of the four connecting shafts (103);

one end, far away from the main connecting seat (101), of each bottom supporting rod (104) is hinged with a first connecting seat (105), and wheels (106) are arranged at the bottoms of the first connecting seats (105);

the vertical support piece comprises four vertical support rods (107), the four vertical support rods (107) are respectively and fixedly arranged at the tops of the four first connecting seats (105), and two connecting seats (108) are fixedly connected between the tops of the four vertical support rods (107);

two horizontal supporting part (2) set up respectively between four connecting seat two (108), horizontal supporting part (2) include two horizontal bracing piece (201), two one end that horizontal bracing piece (201) kept away from each other articulates with connecting seat two (108), two one end that horizontal bracing piece (201) are close to each other is connected with lockable connecting piece.

2. A folding trailer according to claim 1, characterized in that the connecting piece comprises a second hinge seat (203) and a first hinge seat (202) which are connected together by a rotating shaft and a bearing, wherein the second hinge seat (203) and the first hinge seat (202) are respectively fixedly connected to one end of two transverse supporting rods (201) which are close to each other.

3. A folding trailer according to claim 2, wherein the first hinge seat (202) is provided with a first circular groove (204), and a side wall of the first circular groove (204) is provided with a first limit groove (205);

round groove two (206) have been seted up in articulated seat two (203), limit groove two (207) have been seted up on the lateral wall of round groove two (206), still seted up two slot (208) in round groove two (206), two sliding connection has release button (212) between slot (208), the one end of release button (212) stretches out from articulated seat two (203) one side of keeping away from articulated seat one (202).

4. A folding trailer according to claim 3, wherein a circular ring (209) is slid between the second circular groove (206) and the first circular groove (204), a limiting block (210) is fixedly connected to the circular ring (209), the limiting block (210) is inserted between the first circular groove (205) and the second circular groove (207), a spring (211) is connected to one side of the circular ring (209) away from the unlocking button (212), and the spring (211) is located in the first circular groove (204).

5. The folding trailer according to claim 4, wherein the accommodating portion is an accommodating bag (4), the accommodating bag (4) is used for accommodating articles, the accommodating bag (4) is arranged between the top of the main connecting seat (101) and the transverse supporting rod (201), and the side surface of the accommodating bag (4) is connected with the vertical supporting rod (107).

6. A folding trailer according to claim 5, characterized in that the hand pulling part (3) comprises a connecting rod (301) hinged between two connecting seats (105), a connecting seat three (302) is hinged between two connecting rods (301), a pull rod (303) is connected in the middle of the connecting seat three (302) in a penetrating way, and the pull rod (303) is fixed with the connecting seat three (302) through bolts.