CN222291776U - A trolley that is easy to fold and has a large capacity - Google Patents

Abstract

The utility model provides a trolley that is easy to fold and has a large capacity, including a frame, a front wheel assembly and a rear wheel assembly, the frame includes a front vertical tube and a rear vertical tube, a handle assembly and a front cross bracket are arranged between the two front vertical tubes, a rear cross bracket is arranged between the two rear vertical tubes, a first side cross bracket, a second side cross bracket and a third side cross bracket are arranged in sequence between the front vertical tube and the rear vertical tube on the same side, the frame also includes a first bottom cross bracket and a second bottom cross bracket, the four ends of the first bottom cross bracket are respectively connected to the two front vertical tubes and the two third side cross brackets, and the four ends of the second bottom cross bracket are respectively connected to the two rear vertical tubes and the two first side cross brackets. The trolley of the utility model can pull up the bottom cross bracket by hand by pulling up the first bottom cross bracket, thereby driving the front, rear and side cross brackets to fold inward, the operation is simple, and the storage space of the trolley after folding is reduced.

Description

Shallow that just capacity is big convenient to receive and close

Technical Field

The utility model relates to the field of carts, in particular to a cart which is convenient to fold and has large capacity.

Background

With the improvement of living standard of people, the willingness of outdoor activities is stronger and the requirement on living convenience is higher, and when in outdoor activities, the folding cart which is convenient to fold and carry is generated when carrying some scattered sundries required by activities.

The Chinese issued patent with the bulletin number of CN202222264177.5 discloses a folding trolley, a trolley frame comprises two groups of bracket components which are arranged at intervals and a connecting rod component which is used for connecting the two groups of bracket components, wherein the bracket components comprise a first cross rod, a second cross rod and two foldable vertical rods, two ends of one foldable vertical rod are respectively hinged with one end of the first cross rod and one end of the second cross rod, two ends of the other foldable vertical rod are respectively hinged with the other end of the first cross rod and the other end of the second cross rod, the foldable vertical rod is provided with a supporting state and a folding state, the trolley frame is provided with an opening state and a containing state, when the trolley frame is in the opening state, the two foldable vertical rods are in the supporting state, when the trolley frame is switched from the opening state to the containing state, the two foldable vertical rods are simultaneously switched from the supporting state to the folding state, and the trolley frame is synchronously folded through front and rear brackets, so that other trolley frame components are convenient to cooperate and fold, and the trolley frame is simple to operate.

But above-mentioned folding trolley only possesses its length direction's folding, can't fold its width direction, still can occupy certain storage space after folding, and folding space remains to promote, and the distance is comparatively fixed around the frame moreover, and the storage capacity is comparatively single.

Disclosure of utility model

The utility model aims to provide a cart which is convenient to fold and has large capacity, so as to solve the problems that a cart in the prior art cannot be folded in the width direction, a certain storage space is still occupied after the cart is folded, and the whole accommodating space of the cart is relatively limited.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model provides a shallow convenient to receive and close and capacity is big, includes the frame, the below of frame is provided with two sets of front wheel subassemblies and two sets of rear wheel subassemblies respectively, the frame includes standpipe and two back standpipe before, preceding standpipe is fixed in on the front wheel subassembly, and be provided with handle subassembly and preceding cross support between the standpipe before two, back standpipe is fixed in on the rear wheel subassembly, and be provided with back cross support between two back standpipe, has set gradually first side cross support between the front standpipe of homonymy and the back standpipe, second side cross support and third side cross support, the frame still includes first end cross support and second end cross support, the four ends of first end cross support are connected with two preceding standpipe and two third side cross supports respectively, the cross support is connected with two back standpipe and two first side cross supports respectively at the bottom of second end cross support, the cross support includes two straight end cross pipes and two curved end cross pipes, the cross support is located straight end cross pipe of two end cross pipes respectively at the bottom of the cross pipe.

Preferably, the two ends of the curved bottom cross pipe are concave along the middle position, the concave surface of the curved bottom cross pipe faces to the straight bottom cross pipe of the second bottom cross bracket, and a space is formed between the curved bottom cross pipe and the straight bottom cross pipe.

Preferably, the above-mentioned first connecting piece that still includes, be provided with first spread groove on the first connecting piece, second spread groove and third spread groove, first spread groove and second spread groove parallel arrangement just are used for connecting first side cross support and second side cross support respectively, or second side cross support and third side cross support, the third spread groove sets up with the second spread groove oblique angle relatively, and is used for connecting first end cross support or second end cross support.

Preferably, the front vertical pipe and the rear vertical pipe are respectively provided with a second connecting piece and a sliding connecting piece, the connecting pieces are correspondingly provided with connecting grooves for connecting the cross brackets at corresponding positions, the second connecting pieces on the front vertical pipe are further provided with fixing blocks, and the handle assembly is arranged between the two fixing blocks.

Preferably, the fixing block is provided with a fixing groove, a stop block is arranged on a fixing surface of the fixing groove, which is close to the second connecting piece, a rotating piece is connected in the fixing groove through an elastic piece, the handle assembly comprises a handle rod and two cross rods, one end of each cross rod is connected with the rotating piece, and the other end of each cross rod is connected to the U-shaped connecting piece at the bottom of the handle rod.

Preferably, the top ends of the front vertical pipe and the rear vertical pipe are respectively provided with a fixing assembly, the fixing assemblies comprise a first fixing piece and a second fixing piece, the first fixing piece is provided with a connecting hole and sleeved on the vertical pipe, one end of the second fixing piece penetrates into the connecting hole and is fixed through a third fixing piece, and the other end of the second fixing piece is detachably provided with a fourth fixing piece.

Preferably, the fourth fixing member is provided with a clamping groove, a supporting tube is arranged between the two fourth fixing members on the front and rear vertical tubes on the same side, two ends of the supporting tube are respectively clamped in the clamping grooves of the fourth fixing members, and a table top plate is arranged between the two supporting tubes.

Preferably, the front cross support, the rear cross support, the first side cross support and the third side cross support are formed by crossing two straight bottom cross pipes with the same structure, and the second side cross support comprises two curved bottom cross pipes which are arranged in a crossing manner and are identical to the curved bottom cross pipes of the first bottom cross support.

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

(1) The cart is simple in structure, through the design of the first bottom cross support, the second bottom cross support and the connection between the first bottom cross support and the side cross, the bottom cross support can be pulled upwards by pulling the first bottom cross support upwards by hands, so that the front cross support, the rear cross support and the side cross support are driven to fold inwards, the front direction, the rear direction, the left direction and the right direction of the cart frame are folded, the operation is simple, the storage space of the cart after being folded is further reduced, and the cart is convenient to carry and transport;

(2) The side of the utility model is formed by connecting 3 side cross brackets, so that the design of a plurality of support rods on the side brackets in the existing trolley is omitted, the manufacturing cost is saved, a plurality of cross brackets can be designed in sequence according to the requirements, the capacity of the trolley is enlarged, the height of the designed side is obviously lower than the height of a vertical pipe, the cost is low, and a carrying space can be formed only by installing and fixing fabrics.

Drawings

FIG. 1 is a schematic view of the structure of the utility model in an unfolded state;

FIG. 2 is a schematic view of the structure of the first link, the second side cross, the third side cross and the fourth side cross;

FIG. 3 is a schematic view of the structure between the front standpipe, the stationary assembly and the support tube of the present utility model;

FIG. 4 is a schematic view of the structure between the second connecting member and the fixing member according to the present utility model;

FIG. 5 is a state diagram (1) of the folding process after hiding the side cross brackets;

FIG. 6 is a state diagram (2) of the folding process after hiding the side cross brackets;

FIG. 7 is a state diagram (3) of the folding process after hiding the side cross brackets;

FIG. 8 is a fully folded state of the utility model.

The drawing shows that the front vertical pipe is 1-, the rear vertical pipe is 2-, the front cross bracket is 3-, the rear cross bracket is 4-, the first side cross bracket is 5-, the second side cross bracket is 7-third side cross bracket, the first bottom cross bracket is 8-second bottom cross bracket, the 10-straight bottom cross pipe is 11-bent bottom cross pipe, the 12-first connecting piece is 13-second connecting piece, the 14-sliding connecting piece is 15-fixing block, the 16-stop block is 17-elastic piece, the 18-rotating piece is 19-handle rod, the 20-cross rod is 21-U-shaped connecting piece, the 22-first fixing piece is 23-second fixing piece, the 24-third fixing piece is 25-fourth fixing piece, the 26-supporting pipe is 27-table top board, the 1201-first connecting groove is 1202-second connecting groove, the 1203-third connecting groove is 2501-clamping groove.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1-5, a cart with convenient folding and large capacity comprises a frame, two groups of front wheel assemblies and two groups of rear wheel assemblies are respectively arranged below the frame, the frame comprises two front vertical pipes 1 and two rear vertical pipes 2, the front vertical pipes 1 are fixed on the front wheel assemblies, a handle assembly and a front cross bracket 3 are arranged between the two front vertical pipes 1, the rear vertical pipes 2 are fixed on the rear wheel assemblies, a rear cross bracket 4 is arranged between the two rear vertical pipes 2, a first side cross bracket 5, a second side cross bracket 6 and a third side cross bracket 7 are sequentially arranged between the front vertical pipes 1 and the rear vertical pipes 2 on the same side, the frame further comprises a first bottom cross bracket 8 and a second bottom cross bracket 9, four ends of the first bottom cross bracket 8 are respectively connected with the two front vertical pipes 1 and the two third side cross brackets 7, four ends of the second bottom cross bracket 9 are respectively connected with the two rear vertical pipes 2 and the two first side cross brackets 5, the first bottom cross bracket 8 comprises two straight bottom pipes 10 and two curved bottom cross pipes 11, the second bottom cross brackets 9 comprise two bottom cross pipes 10 and the two bottom cross brackets 11 are respectively positioned below the two bottom cross brackets 10.

The trolley is simple in structure, through the design of the first bottom cross support 8, the second bottom cross support 9 and the connection between the first bottom cross support 8 and the side cross, the bottom cross support can be pulled upwards by hands, so that the front cross support, the rear cross support and the side cross support are driven to fold inwards, folding of the trolley in the front direction, the rear direction, the left direction and the right direction is realized, the operation is simple, the storage space of the trolley after folding is further reduced, the carrying and the transportation are convenient, the side edges are formed by connecting 3 side cross supports, the design of a plurality of support rods on the side support in the existing trolley is omitted, the manufacturing cost is saved, a plurality of cross supports can be designed sequentially according to the requirement, the capacity of the trolley is enlarged, and the design side edge height is obviously lower than the height of a vertical pipe, and the carrying space can be formed by only installing and fixing fabrics.

Specifically, both ends of the bent bottom cross pipe 11 are recessed along the intermediate position, and the recessed surfaces thereof face the straight bottom cross pipe 10 of the second bottom cross bracket 9 with a space formed therebetween. Above-mentioned design, when carrying out the shallow receipts of drawing first end cross support 9, can make curved end cross tube 11 drive straight end cross tube 10 better, improve and accomodate the effect, simultaneously, the bottom bearing condition of frame can also be consolidated to the position design of two end cross supports, improves the stability in use of shallow.

Specifically, the first connecting member 12 is further included, a first connecting groove 1201, a second connecting groove 1202 and a third connecting groove 1203 are provided on the first connecting member 12, the first connecting groove 1201 and the second connecting groove 1202 are arranged in parallel and are respectively used for connecting the first side cross bracket 5 and the second side cross bracket 6, or the second side cross bracket 6 and the third side cross bracket 7, and the third connecting groove 1203 is arranged at an oblique angle relative to the first connecting groove 1201 and the second connecting groove 1202 and is used for connecting the first bottom cross bracket 8 or the second bottom cross bracket 9. Through the above design, the first connecting piece 12 and the structural arrangement thereof can connect the side cross brackets and the bottom cross brackets more stably, so that the unfolding and folding of the cart are more convenient and smoother.

Specifically, all be provided with second connecting piece 13 and sliding connection spare 14 on preceding standpipe 1 and the back standpipe 2, and correspond the design on the connecting piece and have the spread groove for connect the cross bracket in corresponding position, still be provided with fixed block 15 on the second connecting piece 13 on the preceding standpipe 1, handle subassembly sets up between two fixed blocks 15. The design is simple in structure, the second connecting piece 13 and the sliding connecting piece 14 which are of the same structure are arranged on the front vertical pipe and the rear vertical pipe, the processing of accessories is convenient, the universality is strong, and the fixing block 15 is designed to be installed and used more stably for the handle assembly.

Specifically, a fixed groove is formed in the fixed block 15, a stop block 16 is arranged on a fixed surface, close to the second connecting piece, of the fixed groove, a rotating piece 18 is connected in the fixed groove through an elastic piece 17, the handle assembly comprises a handle rod 19 and two cross rods 20, one end of each cross rod 20 is connected with the corresponding rotating piece 18, and the other end of each cross rod 20 is connected to a U-shaped connecting piece 21 at the bottom of the corresponding handle rod 19. By the design, the handle bar 19 can elastically work relative to the frame, so that the handle bar 19 can be in a stable use state, and meanwhile, due to the design of the stop block 16, the handle bar can be prevented from falling off the ground, and the use safety is improved.

Specifically, the top of preceding standpipe 1 and back standpipe 2 all is provided with fixed subassembly, and fixed subassembly includes first mounting 22 and second mounting 23, is provided with the connecting hole on the first mounting 22, and overlaps to establish on the standpipe, and the one end of second mounting 23 penetrates the connecting hole and fixes through third mounting 24, and the other end of second mounting can be dismantled and be provided with fourth mounting 25. The above design is to fix the fabric, specifically, the first fixing member 22 is placed at the corresponding installation position of the fabric, then the second fixing member 23 is screwed into the connection hole of the first fixing member 22, then the third fixing member 24 is installed at the screwed end, and finally, the first fixing member 22 is sleeved and fixed on the vertical tube, so as to complete the installation of the fabric on the frame.

Further, the first fixing member 22 may be a square connecting member, the second fixing member 23 is a bolt, and the third fixing member 24 is a nut, which is convenient for material drawing and simple for installation.

Specifically, the fourth fixing member 25 is provided with a slot 2501, a support tube 26 is disposed between the two fourth fixing members 25 on the front and rear vertical tubes on the same side, two ends of the support tube 26 are respectively clamped in the slot 2501 of the fourth fixing member 25, and a table board 27 is disposed between the two support tubes 26. According to the design, the desktop plate 27 can be arranged on the trolley through the installation of the fourth fixing piece 25, so that the trolley can be used as an outdoor table, the application range and the effectiveness of the trolley are improved, and the second fixing piece 25 can be detached and stored when the desktop plate 27 is not required to be installed, so that the service life of the fourth fixing piece 25 is prolonged.

Specifically, the front cross bracket 3, the rear cross bracket 4, the first side cross bracket 5 and the third side cross bracket 7 are formed by intersecting two straight bottom cross pipes 10 with the same structure, and the second side cross bracket 6 comprises two curved bottom cross pipes 11 which are arranged in a crossed manner and are identical to the curved bottom cross pipes 11 of the first bottom cross bracket 8. The straight bottom cross pipe 10 and the bent bottom cross pipe 11 with the same structure are selected for the design, so that the processing is convenient, and the universality of accessories is strong.

The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.

Claims (8)

1. The utility model provides a shallow convenient to receive and close and capacity is big, includes the frame, the below of frame is provided with two sets of front wheel subassemblies and two sets of rear wheel subassemblies respectively, the frame includes two preceding standpipe and two back standpipe, preceding standpipe is fixed in on the front wheel subassembly, and be provided with handle subassembly and preceding cross support between the standpipe before two, the back standpipe is fixed in on the rear wheel subassembly, and be provided with back cross support between the standpipe after two, its characterized in that: the front vertical pipes and the rear vertical pipes on the same side are sequentially provided with a first side cross support, a second side cross support and a third side cross support, the frame further comprises a first bottom cross support and a second bottom cross support, four ends of the first bottom cross support are respectively connected with the two front vertical pipes and the two third side cross supports, four ends of the second bottom cross support are respectively connected with the two rear vertical pipes and the two first side cross supports, the first bottom cross support comprises two straight bottom cross pipes and two curved bottom cross pipes, the second bottom cross support comprises four straight bottom cross pipes, and the two curved bottom cross pipes are respectively located below the two straight bottom cross pipes of the second bottom cross support.

2. The cart with convenient folding and large capacity of claim 1, wherein the two ends of the bent bottom cross pipe are concave along the middle position, the concave surface of the bent bottom cross pipe faces to the straight bottom cross pipe of the second bottom cross bracket, and a space is formed between the bent bottom cross pipe and the straight bottom cross pipe.

3. The cart with high capacity and convenient folding as claimed in claim 1, further comprising a first connecting piece, wherein a first connecting groove, a second connecting groove and a third connecting groove are arranged on the first connecting piece, the first connecting groove and the second connecting groove are arranged in parallel and are respectively used for connecting a first side cross bracket and a second side cross bracket or a second side cross bracket and a third side cross bracket, and the third connecting groove is arranged at an oblique angle relative to the first connecting groove and the second connecting groove and is used for connecting a first bottom cross bracket or a second bottom cross bracket.

4. The cart with convenient folding and large capacity according to claim 1, wherein the front vertical tube and the rear vertical tube are respectively provided with a second connecting piece and a sliding connecting piece, connecting grooves are correspondingly formed in the connecting pieces and are used for connecting cross brackets at corresponding positions, the second connecting pieces on the front vertical tube are further provided with fixing blocks, and the handle assembly is arranged between the two fixing blocks.

5. The cart with convenient folding and high capacity according to claim 4, wherein the fixing block is provided with a fixing groove, a stop block is arranged on a fixing surface of the fixing groove, which is close to the second connecting piece, a rotating piece is connected in the fixing groove through an elastic piece, the handle assembly comprises a handle rod and two cross rods, one end of each cross rod is connected with the corresponding rotating piece, and the other end of each cross rod is connected to the U-shaped connecting piece at the bottom of the handle rod.

6. The cart with high capacity and convenient folding as claimed in any one of claims 1-5, wherein the top ends of the front vertical tube and the rear vertical tube are respectively provided with a fixing component, the fixing components comprise a first fixing piece and a second fixing piece, the first fixing piece is provided with a connecting hole and sleeved on the vertical tube, one end of the second fixing piece penetrates the connecting hole and is fixed through the third fixing piece, and the other end of the second fixing piece is detachably provided with a fourth fixing piece.

7. The cart with convenient folding and large capacity as set forth in claim 6, wherein the fourth fixing parts are provided with clamping grooves, supporting pipes are arranged between the two fourth fixing parts on the front and rear vertical pipes on the same side, two ends of each supporting pipe are respectively clamped in the clamping grooves of the fourth fixing parts, and a table top plate is arranged between the two supporting pipes.

8. The cart with convenient folding and large capacity of claim 7, wherein the front cross support, the rear cross support, the first side cross support and the third side cross support are formed by crossing two straight bottom cross pipes with the same structure, and the second side cross support comprises two bent bottom cross pipes which are arranged in a crossing way and are identical to the bent bottom cross pipes of the first bottom cross support.