CN217048693U

CN217048693U - Folding camping trolley

Info

Publication number: CN217048693U
Application number: CN202220797891.8U
Authority: CN
Inventors: 吴培武
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-26
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a gather together folding camping shallow, the side all is equipped with main lateral wall about the folding chassis, the side all is equipped with folding expansion bracket around the folding chassis, folding chassis one end lateral surface is equipped with folding pull rod assembly, four corners department all is equipped with the wheel below the folding chassis, folding chassis includes chassis support piece, chassis support piece is equipped with four chassis pipes outward, the chassis pipe is equipped with lower base connecting piece, all be equipped with the stand pipe above the lower base connecting piece, from up being equipped with sliding connection spare down in proper order down on the stand pipe, go up the connecting piece, main lateral wall includes two long cross pipes, two long cross pipe cross hinges, two long cross pipe upper ends all articulate there is the connecting pipe, two long cross pipe lower extremes all articulate there is the connecting pipe down. The utility model has the advantages that: novel structure, smaller folding volume, beautiful appearance, stable frame in use, firmness and durability.

Description

Gather together folding camping trolley

Technical Field

The utility model relates to the field of machinary, specifically indicate a gather together folding camping trolley.

Background

The cart sold in the market at present mainly takes flat folding as a main part, has large folding volume, can not stand directly after being folded and is inconvenient to place. A few four-way folding trolleys have the defects that the bearing underframe is telescopic, the wheels are unstable in use and can be internally splayed or externally splayed, or a double-underframe structure is used, the joints are more, and the underframe cannot bear well. The structure is too complex, and the appearance of the whole frame is not attractive.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve above-mentioned problem, provide a novel structure, folding volume is littleer, the outward appearance is pleasing to the eye, the folding camping shallow is gathered together to the shallow of stable, sturdy and durable when using.

In order to solve the technical problem, the utility model provides a technical scheme does: a gathering folding camping cart comprises a folding chassis, wherein the left side and the right side of the folding chassis are respectively provided with a main side wall, the front side and the rear side of the folding chassis are respectively provided with a folding telescopic frame, the outer side face of one end of the folding chassis is provided with a folding pull rod assembly, the four corners of the lower surface of the folding chassis are respectively provided with a wheel, the folding chassis comprises chassis supporting pieces, the outer side face of each chassis supporting piece is uniformly provided with four chassis pipes along the circumferential direction, one ends of the chassis pipes, far away from the chassis supporting pieces, are respectively provided with a lower base connecting piece, upright pipes are respectively arranged on the lower base connecting pieces, sliding connecting pieces and upper connecting pieces are sequentially arranged on the upright pipes from bottom to top, the sliding connecting pieces can slide up and down on the upright pipes, the main side walls comprise two long cross pipes, the two long cross pipes are in cross hinge joint, the upper connecting pipes are hinged at the upper ends of the two long cross pipes, the lower ends of the two long cross pipes are hinged with lower connecting pipes, the upper connecting pipes are hinged with adjacent upper connecting pieces, the lower connecting rods are hinged with adjacent sliding connecting pieces, supporting pipes are hinged to the upper ends of the two long cross pipes and close to the upper ends of the two long cross pipes, the free ends of the supporting pipes are hinged with adjacent lower base connecting pieces, and the wheels are arranged below the lower base connecting pieces.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses the integrated configuration of whole car of product controls main side wall connection structure, and the folding chassis of front and back passes through sliding connection spare and controls main side wall interlock, forms whole frame and opens the structure of folding up, and the connection structure of folding chassis, pull rod constitute one open with fold up convenient, folding back small whole, the frame connect more firm, the good pull rod length of chassis bearing capacity advantage such as many gears are adjusted, angle can be adjusted.

As an improvement, the folding telescopic frame comprises four front and rear cross pipes, every two front and rear cross pipes are hinged in a crossed mode, the free ends of every two adjacent front and rear cross pipes are hinged, and the two front and rear cross pipes which are far away from each other are hinged with the adjacent sliding connecting piece and the lower base connecting piece respectively.

As an improvement, the folding pull rod assembly comprises a pull rod connecting piece arranged at one end of the folding bottom frame, pull rod supporting tubes are hinged to the upper faces of the front end and the rear end of the pull rod connecting piece respectively, pull rod supporting connecting pieces are arranged at the free ends of the pull rod supporting tubes in a rotating mode and are fixedly connected with the upper faces of the adjacent lower base connecting pieces respectively, and telescopic pull rods are arranged above the pull rod connecting pieces and between the pull rod supporting tubes.

As an improvement, the telescopic pull rod comprises an outer pull rod fixedly connected with a pull rod connecting piece, an inner pull rod is inserted in the outer pull rod in a splicing manner, a pull rod sleeve is sleeved at one end of the outer pull rod, which is far away from the pull rod connecting piece, a handle is arranged at one end of the inner pull rod, which extends out of the outer pull rod, an inner pull rod plug is arranged at one end of the inner pull rod, which is positioned in the outer pull rod, a sliding groove is arranged in the inner pull rod plug, a small casting is arranged in the sliding groove, a connecting rod head is arranged in the inner pull rod plug, a large spring is sleeved on the connecting head, a sleeveless shoulder is arranged on the connecting head, which is higher than the large spring and the inner pull rod plug, a small steel bar is inserted in the inner pull rod, the free end of the small steel bar extends out of the handle, a button is arranged in the handle, the small steel bar is fixedly connected with the button, one end of the small steel bar, which is far away from the button, is fixedly connected with the connecting head, the small casting is L-shaped, the utility model discloses a small casting, including interior pull rod stopper, outer pull rod, inner pull rod, outer pull rod, and intercommunication through-hole intercommunication are equipped with the second hole.

As an improvement, the wheels are universal wheels.

As an improvement, the four front and back cross pipes form a plurality of rhombuses.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the folding camping cart of the present invention.

Fig. 2 is a structural schematic diagram of the unfolding state of the underframe supporting member of the folding camping cart.

Fig. 3 is a structural schematic diagram of the folding state of the underframe supporting member of the folding camping cart of the present invention.

Fig. 4 is a main side wall unfolding structure schematic diagram of the folding camping cart of the utility model.

Fig. 5 is a structural schematic diagram of a folded state of the main side wall of the folding camping cart.

Fig. 6 is an exploded view of the folding draw bar assembly of the folding camping cart of the present invention.

As shown in the figure: 1. a folding chassis, 2, a main side wall, 3, a folding expansion bracket, 4, a folding draw bar assembly, 5, wheels, 6, a chassis support, 7, a chassis pipe, 8, a lower base connector, 9, a column pipe, 10, a sliding connector, 11, an upper connector, 12, a long cross pipe, 13, an upper connector, 14, a lower connector, 15, a support pipe, 16, a front-back cross pipe, 17, a second hole, 18, a draw bar connector, 19, a support pipe, 20, a draw bar support connector, 21, an outer draw bar, 22, an inner draw bar, 23, an inner draw bar plug, 24, a sliding groove, 25, a small casting, 26, a connecting bar head, 27, a large spring, 28, a waistcoat, 29, a small steel bar, 30, a button, 31, an inclined plane, 32, a through hole, 33, a storage groove, 34, a small spring, 35, a first hole, 36, a handle, 37, a draw bar sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With the combination of all the figures, the gathering folding camping cart comprises a folding chassis 1, wherein the left side and the right side of the folding chassis 1 are respectively provided with a main side wall 2, the front side and the rear side of the folding chassis 1 are respectively provided with a folding telescopic frame 3, the outer side of one end of the folding chassis 1 is provided with a folding pull rod assembly 4, the four corners of the lower surface of the folding chassis 1 are respectively provided with a wheel 5, the folding chassis 1 comprises a chassis support member 6, the outer side of the chassis support member 6 is uniformly provided with four chassis pipes 7 along the circumferential direction, one ends of the chassis pipes 7 far away from the chassis support member 6 are respectively provided with a lower base connecting member 8, the upper surface of the lower base connecting member 8 is respectively provided with a column pipe 9, the upper part of the column pipe 9 is sequentially provided with a sliding connecting member 10 and an upper connecting member 11 from bottom to top, the sliding connecting member 10 can slide up and down on the column pipe 9, the main side walls 2 comprise two long cross pipes 12, two long cross pipes 12 are alternately articulated, two long cross pipes 12 upper ends are all articulated to have last connecting pipe 13, two long cross pipe 12 lower extremes are all articulated to have lower connecting pipe 14, it is articulated with adjacent upper junction spare 11 to go up connecting pipe 13, lower connecting rod 14 is articulated with adjacent sliding connection spare 10, long cross pipe 12 is gone up and is close to upper end department and all articulates and be equipped with stay tube 15, stay tube 15 free end is articulated with adjacent lower base connecting piece 8, wheel 5 is located under the base connecting piece 8.

The folding telescopic frame 3 comprises four front and rear cross pipes 16, every two front and rear cross pipes 16 are hinged in a crossed mode, the free ends of every two adjacent front and rear cross pipes 16 are hinged, and the two front and rear cross pipes 16 far away from each other are hinged with the adjacent sliding connecting piece 10 and the lower base connecting piece 8 respectively.

The folding pull rod assembly 4 comprises a pull rod connecting piece 18 arranged at one end of the folding underframe 1, pull rod supporting tubes 19 are hinged to the upper faces of the front end and the rear end of the pull rod connecting piece 18, pull rod supporting connecting pieces 20 are arranged at the free ends of the pull rod supporting tubes 19 in a rotating mode, the pull rod supporting connecting pieces 20 are fixedly connected with the upper faces of the adjacent lower base connecting pieces 8 respectively, and telescopic pull rods are arranged between the pull rod supporting tubes 19 and above the pull rod connecting pieces 18.

The telescopic pull rod comprises an outer pull rod 21 fixedly connected with a pull rod connector 18, an inner pull rod 22 is inserted in the outer pull rod 21 in a connecting manner, a pull rod sleeve 37 is sleeved at one end of the outer pull rod 21 away from the pull rod connector 18, a handle 24 is arranged at one end of the inner pull rod 22 extending out of the outer pull rod 21, an inner pull rod plug 23 is arranged at one end of the inner pull rod 22 in the outer pull rod 21, a sliding groove 24 is arranged in the inner pull rod plug 23, a small casting 25 is arranged in the sliding groove 24, a connecting rod head 26 is arranged in the inner pull rod plug 23, a large spring 27 is sleeved on the connecting head 26, a waistcoat 28 is arranged on the connecting head 26 and higher than the large spring 27 and the inner pull rod plug 23 and plays a role in limiting of the large spring, a small steel bar 29 is inserted in the inner pull rod 22, the free end of the small steel bar 29 extends out of the handle 36, a button 30 is arranged in the handle 36, and the small steel bar 29 is fixedly connected with the button 30, one end and connector 26 fixed connection that button 30 was kept away from to small reinforcement 29, small casting 25 is the L type, small casting 25 upper end is equipped with inclined plane 31, be equipped with the inclined plane that agrees with small casting 25 mutually below the connector 26, just keep away from connecting rod head 26's one end with small casting 25 in the interior pull rod stopper 23 and be equipped with the through-hole 32 that can hold small casting 25 one end, just keep away from the through-hole 32 and be equipped with the groove 33 of accomodating that can hold small casting 25 in the interior pull rod stopper 23, it is equipped with little spring 34 in the groove 33 to accomodate, little spring 34 and small casting 25 fixed connection, outer pull rod 21 upper end and intercommunication through-hole 32 intercommunication are equipped with first hole 35, outer pull rod 21 lower extreme and intercommunication through-hole 32 intercommunication are equipped with second hole 17, and first hole 35, second hole 17 all can hold small casting 25 one end.

The wheels 5 are universal wheels.

The four front and rear cross pipes 16 form a plurality of rhombuses.

The utility model discloses when concrete implementation, mainly by about main lateral wall, folding expansion bracket, folding chassis, draw bar assembly and four wheels constitute around, preferred the utility model discloses set up a cloth pocket in the structure that the technique is constituteed.

The left and right main side walls are symmetrically arranged on the left and right sides of the folding underframe, two upper connecting pipes are respectively connected with two long cross pipes, the two long cross pipes are connected by rivets to form a group of cross structures, the other ends of the two long cross pipes are connected with two lower connecting pipes, the lower connecting pipes are connected with the supporting pipes by rivets to form another group of cross structures, the other ends of the lower connecting pipes are connected with a sliding connecting piece, one end of each supporting pipe is connected with the long cross pipe, and the other end of each supporting pipe is connected with a lower base connecting piece. The main side wall is also composed of two vertical upright column tubes, and the upper ends of the upright column tubes are connected with the upper connecting tube through upper connecting pieces. The lower end is fixed with the lower base connecting piece.

The front and back folding expansion brackets are symmetrically arranged at the front and back ends of the folding bottom frame, a group of folding cross combinations are respectively formed by 4 front and back cross pipes, two upper ports of each folding cross combination are respectively connected with sliding connectors on upright column pipes of left and right main side walls, and two lower ports are respectively connected with lower base connectors.

The pull rod assembly comprises an outer pull rod, an inner pull rod, a handle, a pull rod sleeve, an inner pull rod plug (preferably composed of two shells), a small casting, a connecting rod head, a small reinforcing steel bar, a button, a pull rod connecting piece, a pull rod supporting pipe and two pull rod supporting connecting pieces, wherein the two pull rod supporting connecting pieces are fixedly connected with a lower base connecting piece through screws, the pull rod supporting pipe is rotatably connected with the pull rod supporting connecting pieces, and the inner pull rod can rotate 180 degrees relative to the pull rod supporting connecting pieces. One end of the pull rod supporting tube is connected to the pull rod supporting connecting piece, the other end of the pull rod supporting tube is connected with the pull rod connecting piece, and the lower end of the outer pull rod is fixed to the pull rod connecting piece. The upper end of the outer pull rod is sleeved with a pull rod sleeve, and two sides of the pull rod sleeve are provided with reverse buckles which are assembled with the outer pull rod. An inner pull rod plug is assembled at the lower end of the inner pull rod, and a small casting is movably arranged in the inner pull rod plug. The front end of the inner pull rod plug is also provided with a connecting rod head, a spring is sleeved on the connecting rod head, one end of the connecting rod head is inserted and fixedly connected by a small steel bar, the other end of the small steel bar is sleeved with a button, the inner pull rod is sleeved in the outer pull rod through a pull rod, and the upper end of the inner pull rod is connected with a handle. When the inner pull rod is pulled out, the small casting in the inner pull rod plug is aligned with the first hole in the outer pull rod under the action of the large spring, the small casting is ejected into the first hole, and at the moment, the telescopic pull rod is adjusted to a first gear; and then the button is pressed, the small casting retracts and is not limited in the first hole, the handle can be pulled upwards, when the inner pull rod plug contacts the pull rod sleeve, the inner pull rod cannot be pulled out any more, meanwhile, the small casting pops out under the acting force of the small spring and is aligned with the second hole in the outer pull rod, the button is loosened, the small casting pops out under the acting force of the small spring, and at the moment, the telescopic pull rod is adjusted to a second gear. When the pull rod is stretched, the button is pressed, the small casting retracts, the handle is pushed downwards, and the inner pull rod retracts into the outer pull rod.

The folding chassis is composed of four chassis pipes and chassis supporting pieces, one end of each chassis pipe is connected with the corresponding lower base connecting piece, and the other end of each chassis pipe is connected with the corresponding chassis supporting piece through rivets. The undercarriage tube may rotate 90 ° about the rivet. When the underframe pipe rotates to a water state, the underframe supporting piece is in contact with the underframe pipe, and the other end of the underframe supporting pipe is in contact with the lower base connecting piece to limit the movement of the underframe supporting pipe, so that a plane is formed, and the weight of an object can be borne.

The four wheels are provided with wheel clamps to form a combination, the wheel clamps of the two front wheels are welded with cylindrical shafts, the cylindrical shafts are sleeved with shaft sleeves, the lower ends of the shaft sleeves are provided with bearings, the shaft sleeves are fixed at the upper ends of the cylindrical shafts by snap springs and then inserted into the two upright post pipes at the front ends of the folding underframe, the shaft sleeves are fixed by screws, and therefore the front wheels can rotate around the upright post center by 360 degrees. The two rear wheel clamps are connected to the two rear upright post pipes through welding.

Four angles of cloth pocket are fixed in the upper end of four stand pipes respectively, and bottom central point puts and passes through the meshbelt and connect on chassis support piece.

The utility model discloses a theory of operation: when we pull open folding chassis diagonal position, perhaps press chassis support piece hard, chassis support piece downstream, the chassis pipe will be rotatory around chassis support piece, controls main lateral wall and folding expansion bracket and move around to under the removal of chassis stay tube other end simultaneously, when the chassis stay tube reaches the settlement position, controls main lateral wall and folding expansion bracket and also expand to the settlement position, the utility model discloses the product is opened. When the meshbelt at pulling cloth pocket center, chassis support piece upward movement, the chassis pipe will wind chassis support piece internal rotation, and main wall and folding expansion bracket combination are drawn in to the inboard under the removal of the chassis stay tube other end to about simultaneously, until receiving completely to close.

The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a gather together folding camping trolley which characterized in that: the foldable chassis comprises a foldable chassis, main side walls are arranged on the left side and the right side of the foldable chassis, a foldable expansion bracket is arranged on the front side and the rear side of the foldable chassis, a foldable pull rod assembly is arranged on the outer side face of one end of the foldable chassis, wheels are arranged at four corners below the foldable chassis, the foldable chassis comprises chassis supporting pieces, four chassis pipes are uniformly distributed on the outer side face of each chassis supporting piece along the circumferential direction, a lower base connecting piece is arranged at one end, away from the chassis supporting pieces, of each chassis pipe, a stand pipe is arranged on each lower base connecting piece, sliding connecting pieces and upper connecting pieces are sequentially arranged on the stand pipes from bottom to top, the sliding connecting pieces can slide up and down on the stand pipes, the main side walls comprise two long cross pipes, the two long cross pipes are hinged in a crossed manner, upper connecting pipes are hinged to the upper ends of the two long cross pipes, lower connecting pipes are hinged to the lower ends of the two long cross pipes, the upper connecting pipe is hinged to the adjacent upper connecting piece, the lower connecting pipe is hinged to the adjacent sliding connecting piece, supporting pipes are hinged to the upper end portions of the long cross pipes, the free ends of the supporting pipes are hinged to the adjacent lower base connecting piece, and the wheels are arranged below the lower base connecting piece.

2. The folding camping cart of claim 1, wherein: the folding telescopic frame comprises four front and rear cross pipes, every two front and rear cross pipes are hinged in a crossed mode, the free ends of every two adjacent front and rear cross pipes are hinged, and the two front and rear cross pipes which are far away from each other are hinged with the adjacent sliding connecting piece and the lower base connecting piece respectively.

3. The folding camping cart of claim 1, wherein: the folding pull rod assembly comprises a pull rod connecting piece arranged at one end of a folding chassis, pull rod supporting tubes are hinged to the upper sides of the front end and the rear end of the pull rod connecting piece, pull rod supporting connecting pieces are arranged at the free ends of the pull rod supporting tubes in a rotating mode, the pull rod supporting connecting pieces are fixedly connected with the upper sides of the adjacent lower base connecting pieces respectively, and telescopic pull rods are arranged above the pull rod connecting pieces and between the pull rod supporting tubes.

4. A folding camping cart according to claim 3, wherein: the telescopic pull rod comprises an outer pull rod fixedly connected with a pull rod connecting piece, an inner pull rod is inserted in the outer pull rod in a connected mode, one end, away from the pull rod connecting piece, of the outer pull rod is sleeved with a pull rod sleeve, one end, extending out of the outer pull rod, of the inner pull rod is provided with a handle, one end, located in the outer pull rod, of the inner pull rod is provided with an inner pull rod plug, a sliding groove is formed in the inner pull rod plug, a small steel piece is arranged in the sliding groove, a connecting rod head is arranged in the inner pull rod plug in a sleeved mode, a large spring is arranged on the connecting rod head in a sleeved mode, a waistcoat is arranged on the connecting rod head and higher than the large spring and the inner pull rod plug, a small steel bar is inserted in the inner pull rod, the free end of the small steel bar extends out of the handle, a button is arranged in the handle and is fixedly connected with the small steel bar, one end, away from the button, of the small steel bar is fixedly connected with the connecting head, the small steel bar is L-shaped, the upper end of the small steel bar is provided with an inclined plane, be equipped with the inclined plane that agrees with mutually with little foundry goods below the connecting rod head, the one end that the connecting rod head was kept away from to interior pull rod stopper and with little foundry goods is equipped with the through-hole that can hold little foundry goods one end, just keep away from in the interior pull rod stopper that the through-hole is equipped with the groove of accomodating that can hold little foundry goods, accomodate the inslot and be equipped with little spring, little spring and little foundry goods fixed connection, outer pull rod upper end and intercommunication through-hole intercommunication are equipped with first hole, outer pull rod lower extreme and intercommunication through-hole intercommunication are equipped with the second hole.

5. The folding camping cart of claim 1, wherein: the wheels are universal wheels.

6. A folding camping cart according to claim 2, wherein: the four front and back cross pipes form a plurality of rhombuses.