CN221293641U - Frame structure of folding cart - Google Patents
Frame structure of folding cart Download PDFInfo
- Publication number
- CN221293641U CN221293641U CN202420095182.4U CN202420095182U CN221293641U CN 221293641 U CN221293641 U CN 221293641U CN 202420095182 U CN202420095182 U CN 202420095182U CN 221293641 U CN221293641 U CN 221293641U
- Authority
- CN
- China
- Prior art keywords
- frame
- underframe
- support frame
- chassis
- frame structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Handcart (AREA)
Abstract
The utility model discloses a frame structure of a folding cart, which is characterized in that an X-shaped connecting frame is arranged between a bottom frame and a top frame, a supporting frame for supporting the top frame is arranged on the bottom frame, the top end of the supporting frame is detachably connected with the top frame, the bottom end of the supporting frame is hinged on the bottom frame, a second sliding block which is in sliding connection with the supporting frame is arranged on the supporting frame, a connecting rod is hinged on the second sliding block, the other end of the connecting rod is hinged on a sliding seat, the supporting frame drives the sliding seat to move on the bottom frame through the connecting rod, and the sliding seat drives a first sliding block to move on the top frame through the connecting frame; the folding device has the advantages that the support frame drives the sliding seat to move on the bottom frame through the connecting rod, the sliding seat drives the first sliding block to move on the top frame through the connecting frame, the top frame and the bottom frame are close to each other, after the top frame and the bottom frame are completely folded, the support frame is folded inwards, the support frame is folded and placed above the top frame, the folding process is simple, and the folding operation is more convenient.
Description
Technical Field
The utility model relates to a folding cart, in particular to a frame structure of the folding cart.
Background
In order to facilitate the carrying of articles for activities such as self-driving tour, outdoor camping and the like, the hand-pulling folding cart is carried along with a vehicle at present, and after the hand-pulling folding cart reaches a destination, various articles required for the self-driving tour and the outdoor camping are put on the carrying cart to be dragged, so that the trouble of carrying large bags and small bags of consumers on the hands can be greatly reduced.
In the structure of the existing folding vehicle, the folding vehicle is generally folded by being folded left and right, when the folding vehicle is folded, two hands are needed to push the two sides of the folding vehicle from two sides, so that the whole vehicle frame is folded mutually, the folding and unfolding processes are complicated, and the operation is inconvenient.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a frame structure of a folding cart with more convenient folding or unfolding operation.
The technical scheme adopted for solving the technical problems is as follows: the frame structure of the folding cart comprises an underframe and a top frame, wherein an X-shaped connecting frame is arranged between the underframe and the top frame, a first end of the top of the connecting frame is rotationally connected to the top frame, a first sliding block which is in sliding connection with the first sliding block is arranged on the top frame, a second end of the top of the connecting frame is rotationally connected to the first sliding block, the first end of the bottom of the connecting frame is rotationally connected to the underframe, a sliding seat which is in sliding connection with the underframe is arranged on the underframe, a supporting frame for supporting the top frame is rotationally connected to the second end of the bottom of the connecting frame, a second sliding block which is in sliding connection with the top frame is arranged on the supporting frame, a connecting rod is hinged to the second sliding block, the other end of the connecting rod is hinged to the sliding seat, the supporting frame drives the sliding seat to move on the underframe through the connecting frame, and the sliding seat drives the first sliding block to move on the top frame through the connecting frame.
The further preferable scheme of the utility model is as follows: the connecting frame comprises a U-shaped pipe and two straight rods, wherein the U-shaped pipe comprises a bearing part and two connecting rods, the two connecting rods are respectively arranged at two ends of the bearing part, and the middle parts of the two straight rods are respectively hinged with the middle parts of the two connecting rods.
The further preferable scheme of the utility model is as follows: the top of connecting rod rotates to be connected on the roof-rack, the bottom of connecting rod rotates to be connected on the slide, the top of straight-bar rotates to be connected on first slider, the bottom of straight-bar rotates to be connected on the chassis.
The further preferable scheme of the utility model is as follows: the top of support frame is provided with the joint spare, set up first draw-in groove on the joint spare, roof-rack and first draw-in groove joint cooperation.
The further preferable scheme of the utility model is as follows: the novel lifting device is characterized in that a handle is arranged on the underframe, the bottom end of the handle is rotatably connected to the underframe, and the handle is detachably connected with the supporting frame.
The further preferable scheme of the utility model is as follows: the handle comprises a pull rod and a holding part, the holding part is rotationally connected to the top end of the pull rod, the bottom end of the pull rod is hinged to the underframe, and the pull rod is detachably connected with the support frame.
The further preferable scheme of the utility model is as follows: the support frame is provided with a limiting block, the limiting block is located at the position, close to the lower side, of the support frame and used for blocking the second sliding block to limit the movement of the second sliding block.
The further preferable scheme of the utility model is as follows: and the limiting block is provided with a placing groove, and the placing groove corresponds to the connecting rod.
The further preferable scheme of the utility model is as follows: the novel bearing device is characterized in that a first bearing piece and a second bearing piece are arranged on the underframe, the first bearing piece is rotationally connected to the underframe, a third sliding block is arranged on the underframe, and the second bearing piece is rotationally connected to the third sliding block.
The further preferable scheme of the utility model is as follows: the rear end of the underframe on the underframe is provided with two rolling wheels, and the front end of the underframe on the underframe is provided with a steering wheel.
Compared with the prior art, the folding device has the advantages that the support frame is pulled outwards when the folding device is folded, the support frame drives the sliding seat to move on the underframe through the connecting rod, the sliding seat drives the first sliding block to move on the top frame through the connecting frame, the top frame and the underframe are mutually close, the support frame is folded inwards after the top frame and the underframe are completely folded, the support frame is folded after being folded and placed above the top frame, the folding process is simple, and the folding operation is more convenient.
Drawings
The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a schematic view of the structure of a preferred embodiment of the present utility model in an expanded state;
FIG. 2 is a schematic view of the structure of the preferred embodiment of the present utility model during folding;
FIG. 3 is a schematic view of the structure of the preferred embodiment of the present utility model after folding is completed;
FIG. 4 is a schematic view of a structure of a connecting frame according to a preferred embodiment of the present utility model;
FIG. 5 is a schematic view of a structure of a clamping member according to a preferred embodiment of the present utility model;
FIG. 6 is a schematic view of another pull rod structure according to the present utility model;
Fig. 7 is an enlarged view at a in fig. 6.
In the figure: 1. a chassis; 11. a slide; 12. a rolling wheel; 13. a rotating wheel; 14. a first support; 15. a second support; 16. a third slider; 2. a top frame; 21. a first slider; 3. a pull rod; 31. a hand grip; 32. a torsion spring; 4. a connecting frame; 41. a U-shaped tube; 411. a support part; 412. a connecting rod; 42. a straight rod; 5. a support frame; 51. a second slider; 52. a clamping piece; 521. a first clamping groove; 522. a second clamping groove; 53. a limiting block; 531. a placement groove; 54. and a connecting rod.
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.
It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.
The structure of the frame is mainly described in this embodiment, and the following is specific:
The frame structure of the folding cart comprises a bottom frame 1 and a top frame 2, wherein the bottom frame 1 and the top frame 2 are rectangular, and the bottom frame 1 and the top frame 2 are always arranged in parallel.
The front end of chassis 1 is provided with the handle, and the handle rotates to be connected on chassis 1, and further, the handle includes pull rod 3 and holds portion 31, and the quantity of pull rod 3 is two, holds the both ends of portion 31 and rotates respectively to connect on the top of two pull rods 3, and the bottom of pull rod 3 rotates to be connected on chassis 1.
In another embodiment, as shown in fig. 6-7, a torsion spring 32 is arranged between the pull rod 3 and the underframe 1, and the torsion spring 32 gives a force for rotating the pull rod 3 towards the frame direction, so that the pull rod 3 can always rotate towards the frame direction, and the pull rod 3 is prevented from overturning.
The rear end that is located chassis 1 on chassis 1 is provided with two and rolls wheel 12, and the front end that is located chassis 1 on chassis 1 is provided with steering wheel 13, and the quantity of steering wheel 13 can be one, and when steering wheel 13 is one, the handle drives steering wheel 13 rotation, and the quantity of steering wheel 13 also can be two, and when steering wheel 13 is two, steering wheel 13 is two universal wheels, and preferably, the quantity of steering wheel 13 is two, and two steering wheel 13 are the universal wheel.
The rolling wheel 12, the steering wheel 13 and the underframe 1 all adopt quick-release structures, and after the frame is folded, the rolling wheel 12 and the steering wheel 13 can be quickly detached, so that the whole size of the frame is reduced, and the frame is convenient to store.
A connecting frame 4 is arranged between the bottom frame 1 and the top frame 2, and the connecting frame 4 is in an X shape.
The first end at the top of the connecting frame 4 is rotationally connected to the top frame 2, the top frame 2 is provided with a first sliding block 21 which is in sliding connection with the top frame, and the second end at the top of the connecting frame 4 is rotationally connected to the first sliding block 21.
The first end of link 4 bottom rotates to be connected on chassis 1, is provided with rather than sliding connection's slide 11 on the chassis 1, and the second end of link 4 bottom rotates to be connected on slide 11.
Further, the connecting frame 4 includes a U-shaped tube 41 and two straight bars 42, the U-shaped tube 41 includes a supporting portion 411 and two connecting bars 412, the two connecting bars 412 are respectively disposed at two ends of the supporting portion 411, and the middle portions of the two straight bars 42 are respectively hinged to the middle portions of the two connecting bars 412.
The top of connecting rod 412 rotates and connects on roof-rack 2, and the bottom of connecting rod 412 rotates and connects on slide 11, and the top of straight-bar 42 rotates and connects on first slider 21, and the bottom of straight-bar 42 rotates and connects on chassis 1.
The support frame 5 for supporting the top frame 2 is arranged on the bottom frame 1, the top end of the support frame 5 is detachably connected with the top frame 2, the bottom end of the support frame 5 is hinged to the bottom frame 1, a second sliding block 51 which is in sliding connection with the support frame 5 is arranged on the support frame 5, a connecting rod 54 is hinged to the second sliding block 51, the other end of the connecting rod 54 is hinged to the sliding seat 11, the support frame 5 drives the sliding seat 11 to move on the bottom frame 1 through the connecting rod 54, and the sliding seat 11 drives the first sliding block 21 to move on the top frame through the connecting frame 4.
The top of the support frame 5 is provided with a clamping piece 52, a first clamping groove 521 is formed in the clamping piece 52, the top frame 2 is matched with the first clamping groove 521 in a clamping mode, when the frame is in an unfolding state, the top frame 2 is clamped in the first clamping groove 521, the support frame 5 supports the top frame 2, the top frame 2 is prevented from being close to the underframe 1, when the frame needs to be folded, the top frame 2 is taken out of the first clamping groove 521, and the top frame 2 can be folded with the underframe 1 without the limitation of the support frame.
The clamping piece 52 is further provided with a second clamping groove 522, the pull rod 3 is matched with the second clamping groove 522 in a clamping way, the pull rod 3 can be clamped in the second clamping groove 522 and used for fixing the pull rod 3 on a frame, and when a handle is needed, the pull rod 3 can be taken out from the second clamping groove 522.
When the pull rod 3 is connected with the chassis 1 by the torsion spring 32, the second clamping groove 522 does not need to be formed.
The support frame 5 is provided with a limiting block 53, the limiting block 53 is located at a position below the support frame 5, and the limiting block 53 is used for blocking the second sliding block 51 to limit movement of the second sliding block 51.
The limiting block 53 is provided with a placing groove 531, the placing groove 531 corresponds to the connecting rod 54, and when the frame is in a folded state, the connecting rod 54 is located in the placing groove 531.
Be provided with first bearing piece 14 and second bearing piece 15 on the chassis 1, first bearing piece 14 rotates to be connected on the chassis 1, is provided with third slider 16 on the chassis 1, and second bearing piece 15 rotates to be connected on third slider 16, and first bearing piece 14, second bearing piece 15 and bearing portion 411 three are located the below of chassis 1, give a bearing effect of frame, can have a bearing effect to the article in the sack when placing article, prevent that the sack from being pulled out because of the gravity of article.
When the frame is folded, the first supporting member 14 and the second supporting member 15 are rotated to be parallel to the chassis 1.
As shown in fig. 1, the frame is in an unfolded state, the top frame 2 is clamped in the first clamping groove 521, and the supporting frame 5 supports the top frame 2.
When the folding is needed, the top frame 2 is taken out from the first clamping groove 521, then the supporting frame 5 is rotated outwards by hand, the sliding seat 11 is driven to slide on the bottom frame 1 by the connecting rod 54 in the rotating process of the supporting frame 5, and the sliding seat 11 drives the first sliding block 21 to slide on the top frame 2 by the connecting frame 4, as shown in the form of fig. 2.
After the top frame 2 is completely close to the bottom frame 1, the support frame 5 is reversely rotated, the support frame 5 is rotated towards the frame direction, the second sliding block 51 slides upwards on the support frame 5 in the rotating process of the support frame 5 until the support frame 5 is stacked above the top frame 2, at this time, the connecting rod 54 and the support frame 5 are in a parallel state, the handle is also rotated towards the frame direction, and the hand holding part 31 is rotated to be in a parallel state of the pull rod 3, so that the folding is completed, as shown in fig. 3.
When the frame needs to be unfolded, the handle and the support frame 5 are rotated outwards, then the top frame 2 is pulled upwards, the top frame 2 drives the first sliding block 21 to slide on the top frame 2, the sliding seat 11 slides on the bottom frame 1, and finally, the support frame 5 is rotated, so that the top frame 2 is clamped into the first clamping groove 521, namely the frame is unfolded, as shown in fig. 1.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
The frame structure of the folding cart provided by the utility model has been described in detail, and specific examples are applied herein to illustrate the principles and embodiments of the utility model, and the description of the above examples is only for helping to understand the utility model and core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. Frame structure of folding shallow, its characterized in that: including chassis and roof-rack, be provided with the link that is "X" form between chassis and the roof-rack, the first end at link top rotates to be connected on the roof-rack, be provided with rather than sliding connection's first slider on the roof-rack, the second end at link top rotates to be connected on first slider, the first end of link bottom rotates to be connected on the chassis, be provided with the slide rather than sliding connection on the chassis, the second end at link bottom rotates to be connected on the slide, be provided with the support frame that is used for supporting the roof-rack on the chassis, the top and the roof-rack of support frame can dismantle to be connected, the bottom of support frame articulates on the chassis, be provided with rather than sliding connection's second slider on the support frame, articulated on the second slider have the connecting rod, the other end of connecting rod articulates on the slide, the support frame passes through the connecting rod to drive the slide and moves on the chassis, the slide passes through the link and drives first slider and move on the roof-rack.
2. The frame structure of a folding cart of claim 1, wherein: the connecting frame comprises a U-shaped pipe and two straight rods, wherein the U-shaped pipe comprises a bearing part and two connecting rods, the two connecting rods are respectively arranged at two ends of the bearing part, and the middle parts of the two straight rods are respectively hinged with the middle parts of the two connecting rods.
3. The frame structure of a folding cart of claim 2, wherein: the top of connecting rod rotates to be connected on the roof-rack, the bottom of connecting rod rotates to be connected on the slide, the top of straight-bar rotates to be connected on first slider, the bottom of straight-bar rotates to be connected on the chassis.
4. The frame structure of a folding cart of claim 1, wherein: the top of support frame is provided with the joint spare, set up first draw-in groove on the joint spare, roof-rack and first draw-in groove joint cooperation.
5. The frame structure of a folding cart of claim 1, wherein: the novel lifting device is characterized in that a handle is arranged on the underframe, the bottom end of the handle is rotatably connected to the underframe, and the handle is detachably connected with the supporting frame.
6. The frame structure of a folding cart of claim 5, wherein: the handle comprises a pull rod and a holding part, the holding part is rotationally connected to the top end of the pull rod, the bottom end of the pull rod is hinged to the underframe, and the pull rod is detachably connected with the support frame.
7. The frame structure of a folding cart of claim 1, wherein: the support frame is provided with a limiting block, the limiting block is located at the position, close to the lower side, of the support frame and used for blocking the second sliding block to limit the movement of the second sliding block.
8. The frame structure of a folding cart of claim 7, wherein: and the limiting block is provided with a placing groove, and the placing groove corresponds to the connecting rod.
9. The frame structure of a folding cart of claim 1, wherein: the novel bearing device is characterized in that a first bearing piece and a second bearing piece are arranged on the underframe, the first bearing piece is rotationally connected to the underframe, a third sliding block is arranged on the underframe, and the second bearing piece is rotationally connected to the third sliding block.
10. The frame structure of a folding cart of claim 1, wherein: the rear end of the underframe on the underframe is provided with two rolling wheels, and the front end of the underframe on the underframe is provided with a steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095182.4U CN221293641U (en) | 2024-01-15 | 2024-01-15 | Frame structure of folding cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095182.4U CN221293641U (en) | 2024-01-15 | 2024-01-15 | Frame structure of folding cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221293641U true CN221293641U (en) | 2024-07-09 |
Family
ID=91752415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420095182.4U Active CN221293641U (en) | 2024-01-15 | 2024-01-15 | Frame structure of folding cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221293641U (en) |
-
2024
- 2024-01-15 CN CN202420095182.4U patent/CN221293641U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215883728U (en) | Gathering folding hand buggy | |
| CN219339485U (en) | Double-sliding sleeve gathering trailer | |
| CN217048693U (en) | Folding camping trolley | |
| CN215883720U (en) | Double-layer foldable trolley | |
| CN212022741U (en) | Improved dual-purpose folding handcart | |
| CN111152826A (en) | Children's barrow | |
| CN217705876U (en) | Novel hand-pulled folding vehicle | |
| CN216805512U (en) | Hand-pulled folding vehicle | |
| CN201272379Y (en) | Folding shopping cart | |
| CN206938795U (en) | Plug-type full gearing foldable tool car | |
| CN221293642U (en) | Frame folding structure of folding cart | |
| CN221293586U (en) | Transfer car (buggy) and outdoor transfer device | |
| CN218021686U (en) | A large-volume folding trolley | |
| CN206384002U (en) | Children trolley | |
| CN210941796U (en) | Portable folding luggage barrow | |
| CN218316758U (en) | Small camping handcart | |
| CN213831854U (en) | Folding mechanism of children's cart | |
| CN215553492U (en) | Hand cart | |
| CN215398871U (en) | Foldable trolley | |
| CN108945076A (en) | baby cart | |
| CN223764472U (en) | A multi-functional shopping cart | |
| CN223644813U (en) | Folding bike frame structure | |
| CN208915233U (en) | Stroller | |
| CN210454849U (en) | Foldable shopping cart | |
| CN216508452U (en) | Folding bicycle with goods shelf |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |