CN209505795U - Foldable pushcart - Google Patents

Abstract

The utility model provides a kind of foldable pushcart, it includes: mainboard body, pull rod and two wheel groups, mainboard body extends along its length, pull rod is set to mainboard body, two wheel groups are respectively arranged at the two sides of mainboard body, each wheel group includes pivotal axis, at least two wheels and rebound positioning mechanism, pivotal axis is articulated in mainboard body along its length, wheel connects pivotal axis, rebound positioning mechanism is set to one end of pivotal axis, provides screen resilience and switches wheel group between the expanded position and stowed position relative to mainboard body.The foldable pushcart of the utility model is lightweight and convenient when using, and does not account for extra space after folding, and have good adjustment feel.

Description

Foldable pushcart

Technical field

The utility model is about a kind of trolley, and especially a kind of foldable pushcart.

Background technique

Traditional trolley is bulky, quite occupies storage space.Even if having folder function, also only terminate in pull rod with Sweep is folded together, and can not effectively reduce trolley volume.And wheel is even more to be difficult to store.

Utility model content

At least one embodiment based on the utility model, the utility model provide a kind of foldable pushcart, especially Wheel with Foldable and effectively reduce trolley volume.

The utility model provides a kind of foldable pushcart, and foldable pushcart includes: mainboard body, is prolonged along its length It stretches；Pull rod is set to mainboard body；And two wheel groups, the two sides of mainboard body are respectively arranged at, each wheel group includes pivoting Axis, at least two wheels and rebound positioning mechanism, pivotal axis are articulated in mainboard body along its length, and wheel connects pivotal axis, Rebound positioning mechanism is set to one end of pivotal axis, screen resilience is provided and make wheel group the expanded position relative to mainboard body with And switch between stowed position.

Optionally, rebound positioning mechanism includes knob and spring member, and knob connects pivotal axis and drives pivotal axis synchronous Rotation, knob have at least one orientation angle, and the articulated section that mainboard body and pivotal axis are pivotally connected has at least two location holes, positioning Angle is sticked in location hole respectively and makes wheel group respectively in expanded position and stowed position, and spring member is sheathed on knob and contact Articulated section.

Optionally, there are two orientation angles for knob tool, and there are three location holes for articulated section tool.

Optionally, when knob makes orientation angle be detached from location hole far from pivotal axis along its length, then spring member is Deflated state.

Optionally, when knob makes orientation angle be fastened on one of them of location hole close to pivotal axis along its length, Spring member is relaxation state.

Optionally, knob includes handle part, band moving axis, locating plate and washer, handle part be set to one end with moving axis and The surface of mainboard body is exposed to, band moving axis is inserted in pivotal axis and pivotal axis is driven to rotate synchronously, locating plate, articulated section, bullet Spring component and washer are sequentially sheathed on band moving axis, and orientation angle is set to locating plate.

Optionally, when wheel group is in expanded position or stowed position, locating plate is connected to articulated section and inserts orientation angle In location hole, pivoted portion is limited, and spring member discharges screen resilience；When knob along its length far from pivotal axis when, locating plate Orientation angle is set to be detached from location hole far from articulated section, then spring member is compressed by articulated section and generates screen resilience.

Optionally, articulated section further includes preceding aluminum pipe hexagonal internal plug, aluminum pipe hexagonal internal plug before spring member contact.

Optionally, articulated section further includes aluminum pipe hexagonal internal plug, locating plate, articulated section, preceding aluminum pipe hexagonal internal plug, spring structure Part, washer and aluminum pipe hexagonal internal plug are sequentially sheathed on band moving axis, and band moving axis is equipped with two hexagonal locating pieces, preceding aluminum pipe hexagonal internal plug And aluminum pipe hexagonal internal plug is respectively provided with the hexagonal card slot that shape corresponds to hexagonal locating piece, before band moving axis is sticked in hexagonal locating piece In the hexagonal card slot of aluminum pipe hexagonal internal plug and aluminum pipe hexagonal internal plug.

Optionally, two subplate bodies are further included, are hubbed at the two sides of mainboard body respectively.

In conclusion the wheel group of foldable pushcart provided by the utility model can easily with respect to mainboard body expansion or It folds, and expanded position or stowed position are fixed in wheel group tendency position, when use is lightweight and convenient, prevents take up after folding more Remaining space, and there is good adjustment feel.

For the enabled feature and technology contents for being further understood that the utility model, please refer to below in connection with the utility model Detailed description and accompanying drawings, but these explanations are only used to illustrate the utility model with appended attached drawing, rather than to the utility model Interest field make any limitation.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the stereoscopic schematic diagram of the foldable pushcart of the utility model preferred embodiment；

Fig. 2 is the rebound positioning mechanism schematic diagram of the foldable pushcart of the utility model preferred embodiment；

Fig. 3 A is the orientation angle and location hole schematic diagram of the foldable pushcart of the utility model preferred embodiment；

Fig. 3 B is the preceding aluminum pipe hexagonal internal plug diagrammatic cross-section of the foldable pushcart of the utility model preferred embodiment；

Fig. 3 C is the aluminum pipe hexagonal internal plug diagrammatic cross-section of the foldable pushcart of the utility model preferred embodiment；

Fig. 4 is the partial cutaway schematic view of the foldable pushcart of the utility model preferred embodiment；

Fig. 5 is the pivotal axis of the foldable pushcart of the utility model preferred embodiment in stowed position schematic diagram；

Fig. 6 is that the subplate body of the foldable pushcart of the utility model preferred embodiment folds schematic diagram；And

Schematic diagram when Fig. 7 is the progress alarm function of the foldable pushcart of the utility model preferred embodiment.

Appended drawing reference

100 foldable pushcarts

1 mainboard body

11 fronts

12 reverse side

13 articulated sections

131 location holes

131a location hole

131b location hole

131c location hole

Aluminum pipe hexagonal internal plug before 132

133 aluminum pipe hexagonal internal plugs

2 pull rods

3 wheel groups

31 pivotal axis

32 wheels

33 rebound positioning mechanisms

331 knobs

331a handle part

331b band moving axis

331c locating plate

331d orientation angle

331e washer

331f hexagonal locating piece

331g hexagonal locating piece

332 spring members

4 flash warning devices

5 subplate bodies

L length direction

Specific embodiment

Below in conjunction with attached drawing, the foldable pushcart of the utility model embodiment is further explained.

Fig. 1 is please referred to Fig. 7.As shown in Figures 1 and 2, the utility model provides a kind of foldable pushcart 100, packet Contain: mainboard body 1, pull rod 2 and two wheel groups 3.

L extends mainboard body 1 along its length, has front 11 and the reverse side 12 in contrast to front 11.Pull rod 2 is set to master Plate body 1, preferably, pull rod 2 is set to front 11 and scalable.

As shown in Fig. 2, two wheel groups 3 are respectively arranged at the two sides of the reverse side 12 of mainboard body 1, each wheel group 3 includes pivot Shaft 31, at least two wheels 32 and rebound positioning mechanism 33.L is articulated in mainboard body 1 to pivotal axis 31 along its length, at least Two wheels 32 connect pivotal axis 31.Rebound positioning mechanism 33 is set to one end of pivotal axis 31, provides screen resilience and makes wheel Group 3 switches between the expanded position (as shown in Figures 1 and 2) and stowed position (as shown in Figure 5) relative to mainboard body 1.

Specifically, it is vertical relative to mainboard body 1 to refer to wheel 32 for expanded position, and stowed position refers to wheel 32 relative to mainboard body 1 be parallel folds, expanded position and stowed position can by user's swivel wheel group 3 free switching. When user adjusts wheel group 3 by the mode of rotation, the screen resilience of rebound positioning mechanism 33 makes the tendency positioning of wheel group 3 To expanded position or stowed position and remain fixed at expanded position or stowed position.It by this mode, be easy wheel group 3 can Ground is unfolded or folds with respect to mainboard body 1, and when use is lightweight and convenient, does not account for extra space after folding, and have good adjustment Feel.

Further, in the present embodiment, as shown in Figures 2 to 4, rebound positioning mechanism 33 includes knob 331 and spring Component 332, knob 331 connect pivotal axis 31 and pivotal axis 31 are driven to rotate synchronously.Knob 331 has at least one orientation angle The articulated section 13 that 331d, mainboard body 1 and pivotal axis 31 are pivotally connected has at least two location holes 131, and spring member 332 is sheathed on rotation The shape of button 331 and contact articulated section 13, location hole 131 corresponds to orientation angle 331d, and orientation angle 331d is sticked in these positioning Hole 131 one of them when, wheel group 3 is located at expanded position；And by knob 331, L is pulled outwardly and rotates again along its length After one angle (being 90 degree in the present embodiment), the screen resilience that spring member 332 provides forces 331 opposite direction of knob to spring back, and makes Orientation angle 331d is sticked in another of these location holes 131, and wheel group 3 is made to be located at stowed position.

Whereby, the foldable pushcart 100 of the utility model can easily drive pivotal axis 31 is synchronous to turn by knob 331 It moves and is unfolded or folds wheel 32, the screen resilience that spring member 332 provides makes orientation angle 331d tendency be sticked in these location holes One of them of 131, and 3 position of wheel group is made to be fixed on expanded position or stowed position.

Further, in the present embodiment, as shown in figure 3, the tool of knob 331 is there are two orientation angle 331d, articulated section 13 has There are three location hole 131a, 131b, 131c.As shown in Figures 2 and 3, when two orientation angle 331d are sticked in location hole 131a And when in 131b, expanded position is fixed in 3 position of wheel group；When two orientation angle 331d are sticked in location hole after rotating When in 131b and in 131c, stowed position is fixed in 3 position of wheel group.However the utility model is without being limited thereto, Ke Yiwei The orientation angle and location hole of other quantity and form.Usually, location hole is opened in two positions of corresponding orientation angle, and should Two positions are respectively two rotation angles on rotation center.Whereby, the rotation of the foldable pushcart 100 of the utility model Button 331 can provide more firm card and positioning with multiple orientation angles and have preferably adjustment feel.

Further, in the present embodiment, as shown in Fig. 2 and Fig. 3 A, when knob 331 along its length L far from pivotal axis 31 and make orientation angle 331d be detached from location hole 131 when, then spring member 332 by knob 331 drive and tighten, spring member 332 Therefore store elastic position can, and in user no longer by being drawn outside knob 331 along its length L when, can be with rebound by elastic position The mode of power is released, and is made orientation angle 331d tendency retraction and is sticked in location hole 131, therefore wheel group 3 easily fixes is being unfolded Position or stowed position.When knob 331 along its length L close to pivotal axis 31 and make orientation angle 331d buckle together in these positioning Hole 131 one of them when, spring member 332 be relaxation state.Whereby, articulated section 13 serves not only as the purposes of card and limit, Simultaneously also with 332 collective effect of spring member and generate screen resilience.

Further, in the present embodiment, as shown in Figures 2 to 4, knob 331 includes handle part 331a, band moving axis 331b, locating plate 331c and washer 331e.Handle part 331a is set to one end with moving axis 331b and exposes to mainboard body 1 Surface, band moving axis 331b are inserted in pivotal axis 31 and pivotal axis 31 are driven to rotate synchronously.Washer 331e is used for fixed spring structure One end of part 332.Locating plate 331c, articulated section 13, spring member 332 and washer 331e are sequentially sheathed on band moving axis 331b, fixed Parallactic angle 331d is set to locating plate 331c.In the present embodiment, handle part 331a, band moving axis 331b and locating plate 331c are three Separated element, however the utility model is without being limited thereto, or it is integrally formed.

Whereby, user can drive pivotal axis 31 via band moving axis 331b using rotation handle part 331a, and drive spring structure Part 332 compresses or loosens to generate or discharge screen resilience.

Further, in the present embodiment, as shown in Figures 2 to 4, fixed when wheel group 3 is in expanded position or stowed position Bit slice 331c be connected to articulated section 13 and so that orientation angle 331d is inserted in location hole 131 and the limit of pivoted portion 13 (that is, not along length The outer pull-turn button 331 of direction L i.e. can not turning knob 331 and pivotal axis 31), spring member 332 discharges screen resilience；When knob 331 For L far from pivotal axis 31, locating plate 331c also makes orientation angle 331d be detached from location hole 131 far from articulated section 13 along its length, Then spring member 332 is compressed by articulated section 13 and generates screen resilience.Whereby, the pivot of the foldable pushcart 100 of the utility model Socket part 13 and locating plate 331c synergistic effect provide wheel group 3 in the limit of expanded position or stowed position.

Further, in the present embodiment, as shown in Figures 2 to 4, aluminum pipe hexagonal internal plug 132 before articulated section 13 further includes. Aluminum pipe hexagonal internal plug 132 before 332 contact of spring member, when L is far from pivotal axis 31 along its length for knob 331, spring member 332 by preceding aluminum pipe hexagonal internal plug 132 compression.In the present embodiment, preceding aluminum pipe hexagonal internal plug 132 is from articulated section 13 towards mainboard The inside of body 1 protrudes out, and the ontology of preceding aluminum pipe hexagonal internal plug 132 and articulated section 13 is two elements separated, however this is practical Novel without being limited thereto, preceding aluminum pipe hexagonal internal plug 132 may be integrally formed with articulated section 13.Whereby, preceding aluminum pipe hexagonal internal plug 132 can cooperate spring member 332 size, length and be arranged, to reduce the length of spring member 332.

Further, in the present embodiment, as shown in Fig. 3 A to Fig. 3 C, articulated section 13 further includes aluminum pipe hexagonal internal plug 133. Locating plate 331c, articulated section 13, preceding aluminum pipe hexagonal internal plug 132, spring member 332, washer 331e and aluminum pipe hexagonal internal plug 133 according to Sequence is sheathed on band moving axis 331b.Band moving axis 331b is set there are two hexagonal locating piece 331f, 331g, preceding aluminum pipe hexagonal internal plug 132 and Aluminum pipe hexagonal internal plug 133 is respectively provided with the hexagonal card slot that shape corresponds to hexagonal locating piece 331f, 331g, band moving axis 331b respectively with Before hexagonal locating piece 331f, 331g are sticked in the hexagonal card slot of aluminum pipe hexagonal internal plug 132 and aluminum pipe hexagonal internal plug 133.

Whereby, band moving axis 331b also has the function of positioning other than driving pivotal axis 31 to rotate synchronously.Pass through drive L is drawn out axis 331b outward along its length, then aluminum pipe hexagonal internal plug 132 and aluminum pipe before hexagonal locating piece 331f, 331g is detached from The hexagonal card slot of hexagonal internal plug 133, therefore can make that axis 331b rotation is driven to drive pivotal axis 31；When rebound positioning mechanism 33 returns After bullet positioning, hexagonal locating piece 331f, 331g restore the hexagonal with preceding aluminum pipe hexagonal internal plug 132 and aluminum pipe hexagonal internal plug 133 again The position that card slot combines.Therefore two hexagonal locating pieces 331f, 331g with moving axis 331b also have positioning function, then are aided with and determine Bit slice 331c and location hole 131 are Dual positioning.

Further, in the present embodiment, as shown in Figure 1 and Figure 6, foldable pushcart 100 further includes two subplate bodies 5, it is hubbed at the two sides of mainboard body 1 respectively, the section that multiplies that two subplate bodies 5 increase trolley accumulates, and can be relative to mainboard body 1 Folding folds to store.

Further, in the present embodiment, as shown in Figure 1 and Figure 6, pull rod 2 is hubbed at mainboard body 1 and can be with respect to mainboard body 1 folding folds.And as shown in fig. 7, mainboard body 1 and pull rod 2 can be converted into the vertical board of warning, make the collapsible hand of the utility model Cart 100 can be used as the purposes of cart, have the function of promptly warning.

Further, in the present embodiment, as shown in fig. 7, foldable pushcart 100 further includes flash warning device 4, if It is placed in the groove in the front 11 of mainboard body 1 (groove while being also used for folding pull rod 2).The capable of emitting sudden strain of a muscle of flash warning device 4 Light is to further increase warning effect.In the present embodiment, flash warning device 4 is LED warning lamp, however the utility model is not It is limited to this.Mainboard body 1 and subplate body 5 are simultaneously painted with the warning picture for being easy identification.

The above description is only the embodiments of the present invention, is not the scope of the patents to limit to the utility model.

Claims (10)

1. a kind of foldable pushcart, which is characterized in that the foldable pushcart includes:

Mainboard body, extends along its length；

Pull rod is set to the mainboard body；And

Two wheel groups, are respectively arranged at the two sides of the mainboard body, and each wheel group includes pivotal axis, at least two wheels And rebound positioning mechanism, the pivotal axis are articulated in the mainboard body along the length direction, the wheel connects the pivot Shaft, the rebound positioning mechanism are set to one end of the pivotal axis, screen resilience is provided and make the wheel group relative to Switch between the expanded position and stowed position of the mainboard body.

2. foldable pushcart according to claim 1, which is characterized in that the rebound positioning mechanism includes knob and bullet Spring component, the knob connect the pivotal axis and the pivotal axis are driven to rotate synchronously, and the knob is fixed at least one The articulated section of parallactic angle, the mainboard body and pivotal axis pivot joint has at least two location holes, and the orientation angle engages respectively Make the wheel group respectively in the expanded position and the stowed position in the location hole, the spring member is sheathed on Articulated section described in the knob and contact.

3. foldable pushcart according to claim 2, which is characterized in that there are two orientation angles for the knob tool, described There are three location holes for articulated section tool.

4. foldable pushcart according to claim 2, which is characterized in that when the knob is separate along the length direction The pivotal axis and when the orientation angle being made to be detached from the location hole, then the spring member is deflated state.

5. foldable pushcart according to claim 2, which is characterized in that when the knob is close along the length direction The pivotal axis and when the orientation angle being made to be fastened on one of them of the location hole, the spring member is relaxation state.

6. foldable pushcart according to claim 2, which is characterized in that the knob includes handle part, band moving axis, determines Bit slice and washer, the handle part are set to described one end with moving axis and expose to the surface of the mainboard body, the drive Axis is inserted in the pivotal axis and the pivotal axis is driven to rotate synchronously, the locating plate, the articulated section, the spring structure Part and the washer are sequentially sheathed on the band moving axis, and the orientation angle is set to the locating plate.

7. foldable pushcart according to claim 6, which is characterized in that when the wheel group in the expanded position or When the stowed position, the locating plate is connected to the articulated section and so that the orientation angle is inserted in the location hole and described Articulated section limit, the spring member discharge the screen resilience；When the knob along the length direction far from the pivotal axis When, the locating plate makes the orientation angle be detached from the location hole far from the articulated section, then the spring member is by described It compresses and generates the screen resilience in articulated section.

8. foldable pushcart according to claim 6, which is characterized in that before the articulated section further includes in aluminum pipe hexagonal It fills in, preceding aluminum pipe hexagonal internal plug described in the spring member contact.

9. foldable pushcart according to claim 8, which is characterized in that the articulated section further includes in aluminum pipe hexagonal Plug, the locating plate, the articulated section, the preceding aluminum pipe hexagonal internal plug, the spring member, the washer and the aluminum pipe six Angle internal plug is sequentially sheathed on the band moving axis, and the band moving axis is equipped with two hexagonal locating pieces, the preceding aluminum pipe hexagonal internal plug and The aluminum pipe hexagonal internal plug is respectively provided with the hexagonal card slot that shape corresponds to the hexagonal locating piece, and the band moving axis is with the hexagonal Locating piece is sticked in the hexagonal card slot of the preceding aluminum pipe hexagonal internal plug and the aluminum pipe hexagonal internal plug.

10. foldable pushcart according to claim 1, which is characterized in that further include two subplate bodies, be hubbed at respectively The two sides of the mainboard body.