CN221113944U - Open-air folding car - Google Patents

Abstract

The utility model discloses a field folding vehicle, which comprises a vehicle frame and upright posts, wherein the upright posts are provided with four groups, the four groups of upright posts are arranged around the vehicle frame, the lower end parts of the four groups of upright posts are connected with rolling wheels, the field folding vehicle also comprises two three-way joints, the lower end parts of the four groups of upright posts are sleeved with lower connecting pieces, the middle parts and the upper end parts of the four groups of upright posts are sleeved with upper connecting pieces, the connecting ends of the two three-way joints are hinged with connecting rods, the free ends of a plurality of connecting rods are hinged with one side of the four lower connecting pieces, which faces the middle part of the lower end of the vehicle frame, of the four connecting rods are hinged with the free ends of the connecting rods, which are close to the middle part of the lower end of the vehicle frame, of the four groups of upright posts are hinged with the lower connecting pieces, and short X-shaped expansion brackets and long X-shaped expansion brackets are hinged between the connecting pieces on the same side. Compared with the prior art, the utility model has the advantages that: the field folding vehicle is convenient to fold, small in occupied space and reasonable in stress design.

Description

Open-air folding car

Technical Field

The utility model relates to the technical field of folding vehicles, in particular to a field folding vehicle.

Background

At present, a foldable portable carrier is used as a short-distance carrier, has the characteristics of small size and flexibility, and can complete short-distance carrying tasks in places where large-scale carrying apparatuses are inconvenient to use.

However, the existing folding vehicle has the problems that the folding structure is complex, the operation is inconvenient, the design of stress points is unreasonable, side turning, accidental folding and the like can be caused in the use process after carrying objects, and the storage can be realized only by the storage external force supporting points required in the folding process, so that the problems of asynchronous folding, inconvenient operation and the like can not be realized.

Disclosure of utility model

The technical problem to be solved by the utility model is to overcome the technical defects, and provide the outdoor folding vehicle which is convenient to fold, small in occupied space and reasonable in stress design.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a field folding car, includes car frame and stand, and the stand is equipped with four groups, four groups the stand is equipped with the wheel that rolls around car frame setting and lower tip all is connected, still includes two three-way joint, four groups the lower tip of stand has all been cup jointed down the connecting piece, and the middle part has all been cup jointed with the upper end and has been connected the connecting piece, two the connecting end that three-way connects all articulates and is equipped with the connecting rod, and is a plurality of the connecting rod free end articulates with four lower connecting pieces towards car frame middle part one side respectively and sets up, and two free ends that are close to car frame lower extreme middle part connecting rod articulate the setting, homonymy articulated short X type expansion bracket and the long X type expansion bracket that is equipped with respectively between the upper connecting piece.

As an improvement, the outer end parts of the lower connecting pieces, which are close to the short X-shaped expansion brackets, on any side are hinged with connecting pieces, pull rod supporting rods are hinged with the two connecting pieces, two bidirectional connecting pieces are hinged with the end parts of the pull rod supporting rods, and pull handle rods are connected with the bidirectional connecting pieces.

As an improvement, the bidirectional connecting piece is provided with an opening groove capable of accommodating sliding of the handle bar, and the bidirectional connecting piece is connected with the opening groove and provided with a positioning bolt.

As an improvement, the connecting sheets and the pull rod supporting rods are arranged in a 90-degree staggered mode in the hinging direction.

As an improvement, the upper parts and the lower parts of the two ends of the short X-shaped expansion bracket and the long X-shaped expansion bracket are respectively hinged with upper connecting pieces with different heights.

As an improvement, the four corners of the top end of the vehicle frame are outwards extended and provided with lower pressing sheets, and the lower end parts of the lower pressing sheets are clamped into the top ends of the upright posts.

Compared with the prior art, the utility model has the advantages that: in the utility model, the position of the upright post can be adjusted by arranging the short X-shaped expansion brackets and the long X-shaped expansion brackets at the two sides and matching with the three-way joint and a plurality of connecting rods which are hinged when no frame is limited, so that it is fully folded over and, meanwhile, the relative positions of the folded handle bars and the bidirectional connecting piece can be adjusted through the matching of the open grooves and the handle bars, the space occupation of the handle bars is reduced, and the fixing effect on the four upright posts can be further improved through the arrangement of the outer lower pressing pieces.

Drawings

Fig. 1 is a schematic structural view of a folding vehicle in the field.

Fig. 2 is a schematic view of a folding structure of a folding car in the field.

As shown in the figure: 1. a vehicle frame; 2. a column; 3. a rolling wheel; 4. a three-way joint; 5. a lower connecting piece; 6. an upper connecting piece; 7. a connecting rod; 8. short X-shaped expansion brackets; 9. a long X-shaped expansion bracket; 10. a connecting sheet; 11. a pull rod supporting rod; 12. a bi-directional connector; 13. a handle bar; 14. an open slot; 15. a positioning bolt; 16. and (5) tabletting.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-2, a field folding cart comprises a cart frame 1 and upright posts 2, wherein the upright posts 2 are provided with four groups, the four groups of upright posts 2 are arranged around the cart frame 1, the lower end parts of the upright posts are connected with rolling wheels 3, the field folding cart further comprises two three-way joints 4, short X-shaped expansion brackets 8 and long X-shaped expansion brackets 9 are hinged between the upper connecting pieces 6 on the same side, and the upper parts and the lower parts of the two ends of the short X-shaped expansion brackets 8 and the long X-shaped expansion brackets 9 are hinged with the upper connecting pieces 6 with different heights respectively.

In order to increase the stability of automobile body, bear car frame 1, four sets of connecting piece 5 has all been cup jointed to the lower tip of stand 2, and the middle part has all been cup jointed with the upper end and has been connected connecting piece 6, two the link that three-way connects 4 all articulates and is equipped with connecting rod 7, a plurality of connecting rod 7 free ends respectively with four lower connecting pieces 5 towards articulated setting in 1 middle part one side of car frame, two free ends that are close to car frame 1 lower extreme middle part connecting rod 7 articulated setting, the top four corners of car frame 1 all outwards extends and is equipped with down preforming 16, in the stand 2 top was gone into to preforming 16 lower tip card down, can be blocked into car frame 1 in the stand position through the setting of preforming 16 and fix a position the use.

The outer tip of the lower connecting piece 5 that arbitrary side is close to short X type expansion bracket 8 all articulates and is equipped with connection piece 10, all articulates in two connection pieces 10 and is equipped with pull rod bracing piece 11, connection piece 10 is 90 crisscross settings with pull rod bracing piece 11 articulated direction, two the tip of pull rod bracing piece 11 articulates and is equipped with two-way connection piece 12, connect on the two-way connection piece 12 and be equipped with handle bar 13, be equipped with on the two-way connection piece 12 and hold the gliding open slot 14 of handle bar 13, be connected with open slot 14 on the two-way connection piece 12 and be equipped with locating bolt 15, can control handle bar 13 removal regulation through adjusting the elasticity of locating bolt 15.

When the folding type trolley is used, the short X-shaped expansion frame and the long X-shaped expansion frame are stretched to position the upright posts on four sides, the trolley frame is horizontally arranged between the upright posts, the lower pressing piece is clamped into the upright posts to be positioned, a plurality of groups of connecting rods at the bottom end are supported by the trolley frame, when the folding type trolley is required to be folded, the trolley frame is taken out, the two three-way joints are lifted upwards, the short X-shaped expansion frame and the long X-shaped expansion frame are contracted, meanwhile, the hinged ends of the two connecting rods which are hinged are downward, in the process, the two-way connecting piece is matched with the pull rod supporting rod to complete contraction, at the moment, the contraction of the trolley body can be completed, at the moment, the pull rod is higher, and the lower end part of the pull rod is loosened to enable the lower end part of the pull rod to pass through the opening groove, so that the space occupation of the pull rod can be controlled and adjusted. And at the same time, it is possible to loosen what is not described in detail in the present specification, which belongs to the prior art known to those skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The utility model provides a folding car in open-air, includes car frame (1) and stand (2), stand (2) are equipped with four groups, four groups stand (2) are equipped with wheel (3) around car frame (1) setting and the equal connection of lower tip, its characterized in that: still include two three-way joint (4), four sets of connecting piece (5) have all been cup jointed to the lower tip of stand (2), and the middle part has all been cup jointed with the upper end and has been connected connecting piece (6), two the link that three-way joint (4) all articulates and is equipped with connecting rod (7), a plurality of connecting rod (7) free end respectively with four lower connecting piece (5) towards car frame (1) middle part one side articulated setting, two be close to the articulated setting of free end of car frame (1) lower extreme middle part connecting rod (7), homonymy articulated be equipped with short X type expansion bracket (8) and long X type expansion bracket (9) respectively between upper connecting piece (6).

2. A folding field cart according to claim 1, wherein: connecting pieces (10) are hinged to the outer end portions of lower connecting pieces (5) of the short X-shaped telescopic frames (8) on any side, pull rod supporting rods (11) are hinged to the inner ends of the two connecting pieces (10), two bidirectional connecting pieces (12) are hinged to the end portions of the pull rod supporting rods (11), and pull rod rods (13) are connected to the bidirectional connecting pieces (12).

3. A folding field cart according to claim 2, wherein: the bidirectional connecting piece (12) is provided with an open slot (14) which can accommodate the sliding of the handle rod (13), and the bidirectional connecting piece (12) is connected with the open slot (14) and provided with a positioning bolt (15).

4. A folding field cart according to claim 2, wherein: the connecting pieces (10) and the pull rod supporting rods (11) are arranged in a 90-degree staggered mode in the hinging direction.

5. A folding field cart according to claim 1, wherein: the upper parts and the lower parts of the two ends of the short X-shaped expansion bracket (8) and the long X-shaped expansion bracket (9) are respectively hinged with upper connecting pieces (6) with different heights.

6. A folding field cart according to claim 1, wherein: the four corners of the top end of the vehicle frame (1) are provided with lower pressing pieces (16) in an outward extending mode, and the lower end parts of the lower pressing pieces (16) are clamped into the top ends of the upright posts (2).