Telescopic portable shopping cart
[technical field]
The utility model relates to machine manufacture or family expenses small tools manufacturing technology field, specifically, is that a kind of convenience is done shopping usefulness, that certain loading volume is arranged but telescopic portable shopping cart.
[background technology]
Along with the rise of large supermarket, various hand-push shopping carts also appear on the market one after another, and it has greatly satisfied the demand of people's shopping; Be exactly in daily life, some old men also begin to provide shopping cart for oneself and purchase thing, and are time saving and energy saving because of it, can also support sometimes and have a rest.
The manufacturing technology of shopping cart is very ripe, and its shape and model are very many.But existing shopping cart is that size and storage area are fixing substantially, adopts steel bar to be welded into a framework or injection molded with plastic cement, vehicle relative fixed and single, and also inconvenience is carried, and family is used the place that some inconveniences are arranged.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of scalable and dwindle the car body volume, and minimizing takes up room, and is simultaneously in light weight, portable shopping cart.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of telescopic portable shopping cart, contain mobile jib, wheel, axletree, wheel stand, shopping bag and handle, described mobile jib comprises first mobile jib, second mobile jib and the 3rd mobile jib, be connected with two expansion links between first mobile jib and second mobile jib, be connected with two auxiliary rods between second mobile jib and the 3rd mobile jib, form the vehicle body frame of " L " shape structure, lower end at second mobile jib is provided with wheel stand, axletree and wheel, it is characterized in that, in second mobile jib and the 3rd mobile jib backrush device is housed, the backrush device is provided with cloth, the top of cloth is connected on first mobile jib on the second mobile jib backrush device, cloth can launch between first mobile jib and second mobile jib and shrink, and the top of cloth is connected on second mobile jib on the 3rd mobile jib backrush device, and cloth can launch between second mobile jib and the 3rd mobile jib and shrink; The bottom of described expansion link is connected the two ends of second mobile jib, is rod shaped structure, and its apical support is on first mobile jib, and the bottom of described auxiliary rod is connected the two ends of the 3rd mobile jib, is rod shaped structure, and its apical support is on second mobile jib; On first mobile jib and second mobile jib, be connected with first telescopic component, on second mobile jib and the 3rd mobile jib, be connected with second telescopic component; Be provided with suspension hook on first mobile jib, second mobile jib and the 3rd mobile jib, shopping bag is connected on the shopping cart by suspension hook.
Be provided with cladding in the described backrush device.
Described expansion link is the more piece rod shaped structure socket shrinkable rod shaped structure of getting up.
Described expansion link can rotate around the second mobile jib termination, upwards erects to support first mobile jib, curves the collapsible below that is stowed in second mobile jib downwards.
Described auxiliary rod can rotate around the 3rd mobile jib termination, is used to when trailing support second mobile jib, and the bendable turnover is stacked in one side of the 3rd mobile jib during contraction.
Described mobile jib, expansion link, auxiliary rod, telescopic component are hardware.
The use main points of the telescopic portable shopping cart of the utility model are:
During use, draw back first mobile jib and second mobile jib, expansion link is rotated to erect support first mobile jib, simultaneously, the cloth on the second mobile jib backrush device drawn back hang on first mobile jib, and first telescopic component is strutted; Then, draw back second mobile jib and the 3rd mobile jib, auxiliary rod is rotated support second mobile jib backward, simultaneously, the cloth on the 3rd mobile jib backrush device drawn back hang on second mobile jib, and second telescopic component is strutted; After forming the vehicle body frame of " L " shape structure, on the suspension hook of first mobile jib, second mobile jib and the 3rd mobile jib, hang up shopping bag, just formed portable portable shopping cart of the present utility model.
Use and finish, shopping bag is unloaded from suspension hook, from first mobile jib separately expansion link, be received in after the rotation under second mobile jib, with the cloth on the second mobile jib backrush device from first mobile jib separately, backrush is taken in the second mobile jib backrush device, and first telescopic component is drawn in; Then, with auxiliary rod from second mobile jib separately, be received in the 3rd mobile jib after the rotation on one side, with the cloth on the 3rd mobile jib backrush device from second mobile jib separately, backrush is taken in the 3rd mobile jib backrush device, and second telescopic component is drawn in; Just can make portable portable shopping cart of the present utility model become contraction state.
Also shopping bag can be unloaded from suspension hook,, can shrink with shopping cart because shopping bag is a software.
Good effect of the present utility model is:
(1) adopted multiple Collapsible structure, as rotating expansion link and auxiliary rod, telescopic cloth, telescopic telescopic component, made the vertical and horizontal of car body all scalable, the time spent launches, and the time spent does not pack up, and the shopping bag of the softness of joining is very easy to use.
(2) it is big to have a dress thing amount, and conveniently moving takes up an area of little advantage.
(3) adopting pure physical construction, is common used materials such as metal, plastics, rubber, cloth or cladding with material, and productive costs is lower, and compliance with environmental protection requirements helps applying.
[description of drawings]
Accompanying drawing 1 is the structural representation that the telescopic portable shopping cart of the utility model launches shape;
Accompanying drawing 2 is structural representations (I) of backrush device;
Accompanying drawing 3 is structural representations (II) of backrush device;
Accompanying drawing 4 is structural representations (III) of backrush device;
Accompanying drawing 5 is structural representations that the telescopic portable shopping cart of the utility model is removed shopping bag;
Accompanying drawing 6 is structural representations that telescopic component was packed up and laid down to telescopic portable shopping cart expansion link and auxiliary rod;
Accompanying drawing 7 is structural representations of expansion link.
Label shown in the figure is respectively:
1, first mobile jib, 2, expansion link, 3, first telescopic component,
4, the first flexible lining cloth, 5, second mobile jib, 6, wheel,
7, axletree, 8, wheel stand, 9, auxiliary rod,
10, the 3rd mobile jib, 11, second telescopic component, 12, the second flexible lining cloth,
13, shopping bag, 14, handle, 15, suspension hook,
16, interior rotating shaft, 17, outer shaft, 18, spring,
19, expansion lock.
[specific embodiment]
Provide the specific embodiment of the telescopic portable shopping cart of the utility model below in conjunction with accompanying drawing.
Referring to accompanying drawing 1.
A kind of telescopic portable shopping cart, comprise first mobile jib 1, second mobile jib 5, the 3rd mobile jib 10, and expansion link 2, first telescopic component, 3, the first flexible lining cloth 4, wheel 6, axletree 7, wheel stand 8, auxiliary rod 9, second telescopic component, 11, second flexible lining cloth 12 and the shopping bag 13, described mobile jib, expansion link 2, axletree 7, wheel stand 8, auxiliary rod 9, telescopic component are hardware, can make body construction more firm; Be provided with the backrush device in second mobile jib 5 and the 3rd mobile jib 10, the backrush device is provided with cloth or cladding;
Be connected with two expansion links 2 between first mobile jib 1 and second mobile jib 5, be connected with two auxiliary rods 9 between second mobile jib 5 and the 3rd mobile jib 10, form the vehicle body frame of " L " shape structure, in the lower end of second mobile jib 5 wheel stand 7 is set, at wheel stand 7 axletree 6 is installed, is pressed wheel 5 on the both sides of axletree 6;
The top of cloth is connected on first mobile jib 1 on second mobile jib, the 5 backrush devices, cloth can launch between first mobile jib 1 and second mobile jib 5 and shrink, the top of cloth is connected on second mobile jib 5 on the 3rd mobile jib 10 backrush devices, and cloth can launch between second mobile jib 5 and the 3rd mobile jib 10 and shrink;
In the present embodiment, described expansion link 2 is the more piece bar socket shrinkable rod shaped structure of getting up, its bottom is connected the two ends of second mobile jib 5, can rotate around second mobile jib, 5 terminations, can support first mobile jib 1 when upwards erectting, first mobile jib 1 can not be withdrawn because of the backrush device, curve the collapsible below that is stowed in second mobile jib 5 downwards; Described auxiliary rod 9 is a rod shaped structure, and its bottom is connected the two ends of the 3rd mobile jib 10, can rotate around the 3rd mobile jib 10 terminations, is used to support second mobile jib 5 when trailing, and the bendable turnover is stacked in one side of the 3rd mobile jib 10 during contraction; First telescopic component 3 is connected on first mobile jib 1 and second mobile jib 5 by bolt arrangement, second telescopic component 11 is connected on second mobile jib 5 and the 3rd mobile jib 10 by bolt arrangement, make between first mobile jib 1 and second mobile jib 5, and between second mobile jib 5 and the 3rd mobile jib 10 except that cloth or cladding many one decks be connected and supporting construction; On first mobile jib 1, second mobile jib 5 and the 3rd mobile jib 10, respectively be provided with two suspension hooks 15, shopping bag 13 is connected on the vehicle body frame of " L " shape structure by suspension hook 15, when mobile jib is stretched to maximum rating, shopping bag can reach the maximum load ability, when mobile jib was in contraction state, shopping bag also dwindled thereupon; On first mobile jib 1, be provided with handle 14, conveniently to use and to carry and carry portable shopping cart.
Referring to accompanying drawing 2,3,4.
The backrush device is mounted in the structure in second mobile jib 5 and the 3rd mobile jib 10, it is flexible to be related on it cloth or cladding, rotating shaft 16 in containing, outer shaft 17 and spring 18, interior rotating shaft 16 and outer shaft 17 are with thread connecting mode, ball is housed between interior rotating shaft 16 and outer shaft 17 reduces the friction between the two of when motion, there is the projection in a recess and second mobile jib 5 and the 3rd mobile jib 10 chimeric on the outer shaft 16, makes it when interior rotating shaft 16 rotates, translation takes place only; The outer face of spring 18 is fixed, when interior rotating shaft 16 rotates when driving outer shaft 17 and outwards translation taking place, spring 18 is compressed, make springing produce backrush power, and a flexible end with cloth or cladding is to be fixed in the interior rotating shaft 16 of backrush device, and the backrush power of generation can make cloth or cladding automatic rewinding in second mobile jib 5 and the 3rd mobile jib 10.
Referring to accompanying drawing 5.
This figure is a structural representation of removing the telescopic portable shopping cart of shopping bag; Among the figure, expansion link 2 curves downwards, the folding below that is stowed in second mobile jib 5; Auxiliary rod 9 shrinks and curves, and is folded in one side of the 3rd mobile jib 10; Cloth on the backrush device or cladding and telescopic component still are deployed condition.
Referring to accompanying drawing 6.
Contractile expansion link 2 and auxiliary rod 9 all are in and curve contraction state among this figure, and have laid down telescopic component---first telescopic component 3 and second telescopic component 11.
Expansion link 2 curves downwards, the folding below that is stowed in second mobile jib 5, and auxiliary rod 9 shrinks the one side that curves, is folded in the 3rd mobile jib 10; Cloth or cladding on the backrush device are contraction state; Telescopic component is removed; Shopping bag 13 hangs on the suspension hook 15, is folded between three mobile jibs.
Referring to accompanying drawing 7.
In the present embodiment, for satisfying flexible requirement, the expansion link that adopts is 2 that get up for the socket of more piece rod shaped structure, shrinkable rod shaped structure (with Umbrella handle structure in like manner), the socket place of rod shaped structure is provided with expansion lock 19, this is a latch-up structure, so that the more piece rod shaped structure can be fixed a certain structure that stretches or shrink.
Being preferred embodiment of the present utility model only in sum, is not to be used for limiting practical range of the present utility model, and the variation or the modification of all equivalences of doing according to the utility model all should be considered as technology category of the present utility model.