CN207917066U - A kind of Collapsible trailer - Google Patents

Abstract

The utility model is related to a kind of Collapsible trailers, wheel including vehicle frame and on the vehicle frame, vehicle frame includes pedestal, fore-stock and after-poppet, wheel can be rotatably arranged on pedestal, fore-stock is configured to U-shaped and both ends are rotationally connected with the front of pedestal respectively, after-poppet also is shaped to U-shaped and both ends are rotationally connected with the rear portion of pedestal respectively, and the connector that can carry out dismountable type connection to the two under the relatively close state of the two is provided between the middle part of fore-stock and the middle part of after-poppet.The utility model is simple and reasonable for structure, contacts in the middle part of the two and is attached with connector in use, fore-stock, after-poppet are turned to；When not in use, make connector cancel go in the middle part of fore-stock, the connection in the middle part of after-poppet, fore-stock is rotated backward, after-poppet both rotates up to forward fore-aft fold and is arranged close to pedestal, it is easy to operate；At this point, vehicle frame is in folded state, it is not take up space, is convenient for packed and transported or storage.

Description

A kind of Collapsible trailer

Technical field

The utility model is related to a kind of Collapsible trailers.

Background technology

In daily life, when carrying child, pet or more article being needed to go on a journey, trailer is often used.

Authorization Notice No. is the Chinese utility model patent of CN202414068U《Foldable trailer frame for baby structure》(application Number：CN201120541451.8 a kind of structure) is disclosed comprising have：Chassis has forward and backward strut and is connected to forward and backward The front side bottom of the left and right side lever of strut arranged on left and right sides, right side side lever is connected with a pin joint seat, pivot hole set by the pin joint seat The side of pivot and trailer pole can be borrowed to be pivotally connected, separately there is prelocalization hole on front side of the pin joint seat, and rear side then has rear location hole, The trailer pole of pin joint seat pivot joint may be selected to pivot forward and be in unfolded state, and be worn by means of setting elements such as a positioning rod or bolts The prelocalization hole of the trailer pole and the pin joint seat is crossed, and the predetermined position of the front side and bicycle by means of the trailer pole connects, before this It states the trailer pole that pin joint seat is pivotally connected and can also pivot backward and fold, and the pin joint seat is worn by means of setting elements such as locating rod or bolts Rear location hole and trailer pole；Two upper brackets, it is slightly in ㄇ bodies to be, the front and rear sides below two upper bracket then respectively with chassis The a upper bracket therein top of pivot joint, two upper bracket is being installed with a connection piece, which then has card slot, in addition should Two upper brackets are respectively made of folding first support with second support, wherein pivot and the are borrowed in both sides below each first support The top both sides of two holders are pivotally connected, and each second support and each fixed locating plate are to prevent first support to be pivoted out；Upper cross Bar is being set between two upper brackets top, and connect or separate with two upper brackets；It is characterized in that：The front support rod of the chassis with Back stay is all that the tube body of two-segment type is formed, and wherein the front support rod is constituted including an inner sleeve and outer tube socket, this is interior Casing can be corresponded to by one side and be inserted in the opposite side of outer tube, and the side of the inner sleeve has an a positioning hole, and the outer tube phase To side there is location hole, to borrow setting element to be fixed, and back stay is also socketed including an inner sleeve and an outer tube and It constitutes, which can be corresponded to by one side and be inserted in the opposite side of outer tube, and the side of the inner sleeve has a positioning hole, and The opposite side of the outer tube has location hole, to borrow setting element to be fixed, the other side of the inner sleeve of the back stay with it is outer The other side of pipe is further respectively provided with the side pipe positioned at the left and right side lever back segment bottom of the chassis to borrow lock member or to weld It connects mode and the left and right side lever bottom of the chassis is connected and fixed, the intensity of the left and right side lever rear section structure of the chassis can be increased, And then correspond in the back segment of the left and right side lever back stay inner sleeve side pipe above position and corresponding to the outer of back stay Position is respectively provided with pivot slot to be pivoted wheel by means of pivot connecting element respectively above the side pipe of pipe.

The vehicle frame of above structure can be folded, and is readily transported and stores, and still, when folding, need upper cross first Bar disassembles to be folded left and right again, and operation is more troublesome, inconvenient for use.

Utility model content

Front and back folding can be carried out for the current state of the art, the technical problem to be solved by the utility model is to provide a kind of Folded and easy to operate Collapsible trailer.

Technical solution is used by the utility model solves above-mentioned technical problem：A kind of Collapsible trailer, including vehicle frame And the wheel on the vehicle frame, it is characterised in that：The vehicle frame includes pedestal, fore-stock and after-poppet, and the wheel can turn It is set on pedestal dynamicly, the fore-stock is configured to U-shaped and both ends are rotationally connected with the front of pedestal, the after-poppet respectively It is configured to U-shaped and both ends is rotationally connected with the rear portion of pedestal respectively, set between the middle part of the fore-stock and the middle part of after-poppet The two can be carried out under the relatively close state of the two the connector of dismountable type connection by being equipped with.

Preferably, the fore-stock includes the first side lever, the second side lever and first crossbar, first side lever, the second side Bar is respectively arranged in the both sides of pedestal front, and the first crossbar is connected between the first side lever rear end and the second side rod rear end； The after-poppet at least partly forward holder orientation bending to ㄇ shapes are spliced under fore-stock connection status jointly Structure.The structure of the ㄇ shapes can be used for supporting hood.

Preferably, the after-poppet includes third side lever, the 4th side lever and second crossbar, the third side lever, the 4th side Bar is respectively arranged in the both sides of base rear portion, and the second crossbar is connected between third side lever upper end and the 4th side lever upper end, The connector is connected in first crossbar and second crossbar.

Preferably, the connector includes the first assembly and the second assembly, and first assembly has and can turn It is nested with the first connector sleeve of the periphery in the middle part of fore-stock dynamicly, holder orientation extends and formed backward for the side of first connector sleeve Having can have and can rotationally be nested in the middle part of fore-stock for the first fitting groove for being caught in the middle part of after-poppet, second assembly Second connector sleeve of periphery, extend and be formed with can be for the middle part card of after-poppet for holder orientation backward for the side of second connector sleeve The second fitting groove entered, second fitting groove collectively form with the mutual pairing of the first fitting groove and can wrap the middle part of after-poppet The third connector sleeve enclosed.

Preferably, it is provided with the first notch in the middle part of first connector sleeve, second connector sleeve is set to this and first lacks Match between mouthful and with the first notch length.The outer rim of first fitting groove offers the edge entrance for the second fitting groove The second notch.Connector compactedness can be improved in the structure, and keeps connector more firm to the connection of first crossbar, second crossbar Gu.

Preferably, the both ends of the fore-stock and the both ends of after-poppet are connected to the upper surface of pedestal by hinge assembly On, the hinge assembly includes hinge column and articulated joint, and the hinge column lower end is fixed on the base, the lower end of the articulated joint It is rotatablely connected with hinge column upper end, there is the end for fore-stock/after-poppet to plant slot therein for the articulated joint upper end.

Preferably, the trailer further includes auxiliary stand, which is shaped to U-shaped and both ends are rotationally connected with respectively On the pedestal of the fore-stock end, the middle part of the auxiliary stand can be nested on rear side of after-poppet up or down.If The structure is set, the support effect to hood etc. can be improved, improves security performance.

For the ease of producing and assembling, the fore-stock is spliced by being configured to L-shaped two parts, and stitching portion position In on the middle part of fore-stock, a L-shaped part have connection-peg, it is corresponding, on another L-shaped part have and connection-peg phase The periphery of the inserting groove matched, the stitching portion is equipped with an assembly parts.

In the above embodiments, the push rod that can be rotated relative to the after-poppet is provided on the after-poppet.

Compared with prior art, the utility model has the advantage of：The utility model is simple and reasonable for structure, will be shaped to U The end of the fore-stock of shape is rotatably connected on pedestal front, will be shaped to the after-poppet of U-shaped end be rotatably connected on pedestal after Portion contacts in the middle part of the two and is attached with connector in use, fore-stock, after-poppet are turned to；When not in use, make Connector cancel go in the middle part of fore-stock, the connection in the middle part of after-poppet, fore-stock is rotated backward, after-poppet rotates up to forward two Person's fore-aft fold is simultaneously arranged close to pedestal, easy to operate；At this point, vehicle frame is in folded state, it is not take up space, convenient for packaging fortune Defeated or storage.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model embodiment use state；

Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1；

Fig. 3 is the structural schematic diagram of connector opening state in Fig. 1；

Fig. 4 is the structural schematic diagram of hinge assembly in Fig. 1；

Fig. 5 is the exploded view of fore-stock in Fig. 1；

Fig. 6 is the structural schematic diagram of the utility model embodiment folded state.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing embodiment.

As shown in figs. 1 to 6, the Collapsible trailer of the present embodiment includes vehicle frame a and the wheel 1 on vehicle frame a, vehicle frame A includes pedestal 2, fore-stock 3, after-poppet 4, auxiliary stand 5 and push rod 7, and wheel 1 can be rotatably arranged on pedestal 2, fore-stock 3 It is configured to U-shaped and both ends is rotationally connected with the front of pedestal 2 respectively, after-poppet 4 also is shaped to U-shaped and both ends are rotatablely connected respectively In the rear portion of pedestal 2, being provided between the middle part and the middle part of after-poppet 4 of fore-stock 3 can be right under the relatively close state of the two The two carries out the connector 6 of dismountable type connection.

Specifically, fore-stock 3 includes the first side lever 31, the second side lever 32 and first crossbar 33, the first side lever 31, the second side Bar 32 is respectively arranged in the both sides of 2 front of pedestal, and first crossbar 33 is connected to 31 rear end of the first side lever and 32 rear end of the second side lever Between, the first side lever 31, the second side lever 32 all have the cambered structure to arch upward upwards.Fore-stock 3 can be integrally formed, and For the ease of producing and assembling, the fore-stock 3 of the present embodiment is spliced by being configured to L-shaped two parts 301,302, and is spelled Place is met to be located in the first crossbar 33 at 3 middle part of fore-stock, 301 have connection-peg 303 on a L-shaped part, corresponding, another There is the inserting groove 304 to match with connection-peg 303, connection-peg 303 is with inserting groove 304 after inserting is connect on L-shaped part 302 Carried out again by screw radially fixed, the periphery of stitching portion is equipped with an assembly parts 305.The part of after-poppet 4 is to 3 side of fore-stock To bending to the structure that is spliced into ㄇ shapes under 3 connection status of fore-stock jointly, the structure of the ㄇ shapes can be used for supporting vehicle Paulin.After-poppet 4 includes third side lever 41, the 4th side lever 42 and second crossbar 43, and third side lever 41, the 4th side lever 42 are respectively arranged Both sides in 2 rear portion of pedestal, second crossbar 43 are connected between 41 upper end of third side lever and 42 upper end of the 4th side lever, after-poppet 4 Bending part be the forward fold since third side lever 41,42 top of the 4th side lever.Push rod 7 is set to the bending part of after-poppet 4 Exist respectively, and push rod 7 can be rotated relative to after-poppet 4, in order to adjust 7 height of push rod and storage.Connector 6 is connected to the first cross On bar and second crossbar.

The connector 6 of the present embodiment includes the first assembly 61 and the second assembly 62, and the first assembly 61 has and can turn It is nested with the first connector sleeve 611 in 33 periphery of first crossbar dynamicly, 4 direction of a lateral after-poppet of first connector sleeve 611 is prolonged The first fitting groove 612 that can be caught in for the lower half portion of second crossbar 43 is stretched and is formed with, the second assembly 62 has and can rotate Ground is nested with the second connector sleeve 621 in 33 periphery of first crossbar, and 4 direction of a lateral after-poppet of second connector sleeve 621 extends And it is formed with the second fitting groove 622 that can be caught in for the top half of second crossbar 43, second fitting groove 622 and first assembly 612 mutual pairing of slot collectively forms the third connector sleeve that can circumferentially surround entire second crossbar 43.In first connector sleeve 611 Portion is provided with the first notch 613, the second connector sleeve 621 be set between first notch 613 and with 613 length phase of the first notch Match.The outer rim of first fitting groove 612 offers the second notch 614 of the edge entrance for the second fitting groove 622, which can carry 6 compactedness of high connector, and keep connector 6 more secured to the connection of first crossbar 33, second crossbar 43.

For the ease of connection, the both ends of fore-stock 3 and the both ends of after-poppet 4 are connected to pedestal 2 by hinge assembly 8 On upper surface, hinge assembly 8 includes hinge column 81 and articulated joint 82, and 81 lower end of hinge column is fixed on pedestal 2, articulated joint 82 Lower end is rotatablely connected with 81 upper end of hinge column, and it is therein that there is 82 upper end of articulated joint the end for 3/ after-poppet 4 of fore-stock to plant Slot 821.Auxiliary stand 5 is shaped to U-shaped and both ends are rotationally connected with respectively on the hinge assembly 8 of 3 end of fore-stock, auxiliary It helps the middle part of holder 5 that can be nested with up or down and improves safety in 4 rear side of after-poppet to improve the support effect to hood etc. Performance.

Using the present embodiment trailer when, by fore-stock 3, after-poppet 4 turn in the middle part of the two contact and with connector 6 into Row connection；When not in use, connector 6 is made to cancel the connection for going to the middle part of fore-stock 3,4 middle part of after-poppet, by fore-stock 3 to Rotation, after-poppet 4 rotate up to forward the two fore-aft fold and are arranged close to pedestal 2 afterwards, easy to operate；At this point, vehicle frame is in Folded state is not take up space, is convenient for packed and transported or storage.

Claims (10)

1. a kind of Collapsible trailer, including vehicle frame and the wheel on the vehicle frame, it is characterised in that：The vehicle frame includes bottom Seat, fore-stock and after-poppet, the wheel can be rotatably arranged on pedestal, and the fore-stock is configured to U-shaped and both ends turn respectively The dynamic front for being connected to pedestal, the after-poppet also is shaped to U-shaped and both ends are rotationally connected with the rear portion of pedestal respectively, before described Dismountable type connection can be carried out under the relatively close state of the two to the two by being provided between the middle part of holder and the middle part of after-poppet Connector.

2. Collapsible trailer according to claim 1, it is characterised in that：The fore-stock includes the first side lever, the second side Bar and first crossbar, first side lever, the second side lever are respectively arranged in the both sides of pedestal front, and the first crossbar is connected to Between first side lever rear end and the second side rod rear end；The after-poppet at least partly forward holder orientation bending to it is preceding The structure of ㄇ shapes is spliced under holder connection status jointly.

3. Collapsible trailer according to claim 2, it is characterised in that：The after-poppet includes third side lever, the 4th side Bar and second crossbar, the third side lever, the 4th side lever are respectively arranged in the both sides of base rear portion, and the second crossbar is connected to Between third side lever upper end and the 4th side lever upper end, the connector is connected in first crossbar and second crossbar.

4. Collapsible trailer according to claim 1, it is characterised in that：The connector includes the first assembly and the Two assemblies, first assembly have the first connector sleeve that can be rotationally nested with the periphery in the middle part of fore-stock, first company Extend and be formed with can be for the first fitting groove for being caught in the middle part of after-poppet, second dress for holder orientation backward for the side of female connector Ligand has the second connector sleeve that can be rotationally nested with the periphery in the middle part of fore-stock, a lateral after-poppet side of second connector sleeve It can be for the second fitting groove for being caught in the middle part of after-poppet, second fitting groove and the first fitting groove phase to extending and being formed with Mutual pairing collectively forms the third connector sleeve that can surround the middle part of after-poppet.

5. Collapsible trailer according to claim 4, it is characterised in that：It is provided with first in the middle part of first connector sleeve Notch, second connector sleeve are set between first notch and match with the first notch length.

6. Collapsible trailer according to claim 5, it is characterised in that：The outer rim of first fitting groove is offered for The second notch that the edge of two fitting grooves enters.

7. the Collapsible trailer according to any claim in claim 1~6, it is characterised in that：The fore-stock Both ends and the both ends of after-poppet are connected to by hinge assembly on the upper surface of pedestal, the hinge assembly include hinge column and Articulated joint, the hinge column lower end are fixed on the base, and lower end and the hinge column upper end of the articulated joint are rotatablely connected, the hinge There is upper end of joint the end for fore-stock/after-poppet to plant slot therein.

8. the Collapsible trailer according to any claim in claim 1~6, it is characterised in that：It further include auxiliary branch Frame, which is shaped to U-shaped and both ends are rotationally connected with respectively on the pedestal of the fore-stock end, the auxiliary The middle part of holder can be nested on rear side of after-poppet up or down.

9. the Collapsible trailer according to any claim in claim 1~6, it is characterised in that：The fore-stock by It is configured to L-shaped two parts to be spliced, and stitching portion is located at the middle part of fore-stock, has connection-peg on a L-shaped part, It is corresponding, there is the inserting groove to match with connection-peg, the periphery of the stitching portion is equipped with an assembly on another L-shaped part Part.

10. the Collapsible trailer according to any claim in claim 1~6, it is characterised in that：On the after-poppet It is provided with the push rod that can be rotated relative to the after-poppet.