CN212243519U

CN212243519U - Foldable cart and backpack

Info

Publication number: CN212243519U
Application number: CN202020413900.XU
Authority: CN
Inventors: 谭敏
Original assignee: Beijing Zhigou Oppson Technology Co ltd
Current assignee: Beijing Zhigou Oppson Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-29
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a collapsible shallow and knapsack, including the upset subassembly, the roll-over stand is located on the crossbeam of shallow body front end, and the linkage is connected respectively on the roll-over stand with the trip shaft, and the both sides of roll-over stand still are equipped with the roll-over stand, and the lower extreme and the front wheel subassembly of roll-over stand are connected, and on the perpendicular roof beam of shallow body was located to wheel link rod parallel, the one end and the roll-over stand of wheel link rod were connected, and the other end is connected with the rear wheel subassembly. The utility model discloses can make the shallow occupation space not, need not to occupy both hands, effectively improve the portability to improvement use that can be better feels, has improved the utilization ratio, makes it have higher use value.

Description

Foldable cart and backpack

Technical Field

The utility model relates to a children's shallow technical field, in particular to collapsible shallow and knapsack.

Background

The frame of a stroller is typically foldable so that the stroller can be folded when not in use by a user for storage, space saving or carrying.

At present, the stroller on the market can not realize real portability, because the wheel assembly does not participate in folding in the folding process of the stroller frame, the stroller can not be carried with a user and liberates the hands of the user when the stroller is not used, even a backpack is needed to carry out articles when the stroller is used, the stroller needs to be carried with the backpack and pulled when the stroller is used, even a child needs to be pulled, the problems that the connected telephone does not have the hands are serious, the length of the stroller after being folded is longer, the folding volume is larger, the folding is more complicated, the use experience of the user is poor, and in view of the above, the stroller is portable, the storage can be taken into consideration, and the backpack with the hands can be liberated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the prior art, the embodiment of the utility model provides a collapsible shallow and knapsack to improve the portability of shallow and use experience and feel.

In order to realize above-mentioned purpose, this application provides a collapsible shallow, include collapsible flexible shallow body, bedplate and locate front wheel subassembly and rear wheel subassembly on the shallow body still include the upset subassembly, the upset subassembly includes linkage handle, roll-over stand, trip shaft, roll-over stand, tooth head and wheel link rod, the roll-over stand is located on the crossbeam of shallow body front end, the linkage handle with the trip shaft is connected respectively on the roll-over stand, the both sides of roll-over stand still are equipped with the roll-over stand, the lower extreme of roll-over stand with the front wheel subassembly is connected, wheel link rod parallel is located on the perpendicular roof beam of shallow body, the one end of wheel link rod with the roll-over stand is connected, the other end with the rear wheel subassembly is connected.

Furthermore, the front wheel assembly can be adjusted left and right, the linkage handle drives the overturning seat to rotate on the overturning shaft, and the overturning frame drives the front wheel assembly to be folded inwards by 90 degrees.

Furthermore, still be equipped with the screens structure on the roll-over stand, the screens structure includes screens piece and screens head, the screens head inlay in the inside of roll-over stand, semicircular bulge, the screens piece is located the one end of wheel link rod, the screens piece with the screens head is corresponding the setting from top to bottom, the screens piece can be pressed and adjusted the screens head.

Furthermore, the inside of roll-over stand still is equipped with the elastic component, the elastic component with the tooth head is for dismantling the connection, the elastic component is cylindricly.

Further, the elastic piece is a rotating pressure spring.

Furthermore, the cart body, the front wheel assembly, the rear wheel assembly and the overturning assembly are made of aluminum alloy, magnesium aluminum alloy or carbon fiber.

Further, a drawing rod is further arranged on the cart body, and the drawing rod of the cart is telescopically adjustable.

The utility model also provides a backpack, include as above collapsible shallow and set up multi-functional structure of accomodating on the collapsible shallow.

Further, multi-functional structure of accomodating includes bicycle parking chamber and storing chamber, bicycle parking chamber is located the inside front side of knapsack, the storing chamber is located the inside rear side of knapsack, bicycle parking chamber with be equipped with the fabric interlayer between the storing chamber.

Furthermore, the backpack also comprises storage bags arranged on two sides of the outside of the backpack body.

The utility model provides a collapsible shallow, including the upset subassembly, the roll-over stand is located on the crossbeam of shallow body front end, the linkage is connected respectively on the roll-over stand with the trip shaft, the both sides of roll-over stand still are equipped with the roll-over stand, the lower extreme and the front wheel subassembly of roll-over stand are connected, wheel link rod parallel is located on the perpendicular roof beam of shallow body, the one end and the roll-over stand of wheel link rod are connected, the other end is connected with the rear wheel subassembly, the upset subassembly can realize folding the wheel into the shallow of minimum volume, can put into the knapsack with oneself after folding with the shallow, occupation space does not, need not to occupy both hands, effectively improve the portability, thereby improvement use that can be better feels, the utilization ratio is improved, make it have higher use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structural diagram of a foldable cart according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an overturning assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of a backpack provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a positioning structure provided in the embodiment of the present invention;

fig. 5 is a schematic view illustrating the folding use of the cart according to the embodiment of the present invention;

fig. 6 is a schematic structural view of the cart provided in the embodiment of the present invention after being folded;

fig. 7 is a schematic side view of the folded cart according to the embodiment of the present invention;

wherein: the cart comprises a cart body 1, a seat plate 11, a seat plate 12, a rear wheel assembly 13, a front wheel assembly, a drawing rod 14, a turnover assembly 2, a linkage handle 21, a turnover seat 22, a turnover shaft 23, a turnover frame 24, an elastic part 241, a gear head 25, a wheel link 26, a clamping structure 3, a clamping part 31, a clamping head 32, a backpack 4, a parking cavity 41, a storage cavity 42 and a storage bag 43.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and do not limit the devices, elements or components indicated to have a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may have other meanings besides orientation or position, for example, the term "on" may also have some dependency or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

"plurality" means two or more unless otherwise specified.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

As shown in fig. 1-2, the foldable stroller provided in this embodiment can be applied to a seat for children to go out. The foldable cart comprises a foldable and telescopic cart body 1, a seat plate 11, a front wheel assembly 13 and a rear wheel assembly 12 which are arranged on the cart body 1, and a turnover assembly 2, wherein the turnover assembly 2 comprises a linkage handle 21, a turnover seat 22, a turnover shaft 23, a turnover frame 24, a gear head 25 and a wheel link rod 26, the turnover seat 22 is arranged on a cross beam at the front end of the cart body 1, the linkage handle 21 and the turnover shaft 23 are respectively connected onto the turnover seat 22, the turnover frames 24 are further arranged on two sides of the turnover seat 22, the lower end of the turnover frame 24 is connected with the front wheel assembly 13, the wheel link rod 26 is arranged on a vertical beam of the cart body 1 in parallel, one end of the wheel link rod 26 is connected with the turnover frame 24, and the other end of the wheel link.

As shown in fig. 1-2, the roll-over seat 22 is disposed in parallel outside a cross beam at the front end of the cart body 1, the linkage handle 21 and the roll-over shaft 23 are respectively connected to the roll-over seat 22, wherein the linkage handle 21 is disposed at the upper end of the roll-over seat 22, the roll-over shaft 23 is disposed at the upper end of the cart body 1, the linkage handle 21 is bent outward, the roll-over assembly 2 is in an everted open state, the roll-over seat 22 is turned over along with the linkage handle 21, the roll-over seat 22 pushes the roll-over shaft 23, the linkage handle 21 drives the roll-over seat 22 to rotate on the roll-over shaft 23, roll-over brackets 24 are further connected to both sides of the roll-over seat 22, the roll-over brackets 24 are connected to the front wheel assembly 13 under the pushing and twisting forces of the rolling springs 241, the roll-over brackets 24 drive the front wheel assembly 13 to turn over together, thereby achieving a folding effect, the front wheel, the front wheel assembly 13 can be adjusted by rotating left and right, meanwhile, two fixed wheel link rods 26 are arranged on the roll-over stand 24 and the rear wheel assembly 12, the wheel link rods 26 are arranged on a vertical beam of the cart body 1 in parallel, one end of each wheel link rod 26 is connected with the roll-over stand 24, the other end of each wheel link rod 26 is connected with the rear wheel assembly 12, the rear wheel assembly 12 is connected with the front wheel assembly 13 through the wheel link rods 26, when the front wheel assembly 13 is folded, the rear wheel assembly 12 is driven by the wheel link rods 26 to be folded together with the front wheel assembly 13, so that the rear wheel assembly 12 can be driven to also reach a folded state, as shown in figure 6, the front cart wheel and the rear cart wheel are folded and unfolded at the same time, and the folded cart. As shown in figure 7, the folding cart is matched with the backpack, and the thickness of the cart can be only less than 70mm of the backpack, so that the folded cart can be accommodated. The utility model provides a collapsible shallow can fold into the shallow of volume minimum with the wheel with children's shallow realization through the upset subassembly, insert the knapsack can be portable after the shallow is folding, when using the shallow simultaneously, can expand the back with the shallow again after, borrow the knapsack and become the back, can become simple and easy shallow, occupation space does not need not to occupy both hands, effectively improve the portability, thereby can be better improve the use and feel, the utilization ratio is improved, make it have higher use value.

In a specific embodiment, the front wheel assembly 13 can be adjusted left and right, as shown in fig. 5, the linkage handle 21 drives the turning seat 22 to rotate on the turning shaft 23, the turning frame 24 drives the front wheel assembly 13 to fold inward by 90 °, meanwhile, the linkage handle 21 turns the 90 ° front wheel assembly 13 to unfold by 90 ° and to abut against the clamping surface, the turning seat 22 is connected with the rear wheel assembly 12 through the wheel link rod 26, and the rear wheel assembly 12 and the front wheel assembly 13 turn together by 90 ° to unfold or fold, so that the structure is simple and the operation is convenient.

In a specific embodiment, as shown in fig. 4, the roll-over stand 24 is further provided with a retaining structure 3, the retaining structure 3 includes a retaining member 31 and a retaining head 32, the retaining head 32 is embedded in the roll-over stand 24 and is in a semicircular protrusion, the retaining member 31 is disposed at one end of the wheel link 26, the retaining member 31 and the retaining head 32 are correspondingly disposed up and down, the retaining member 31 can be pressed to adjust the retaining head 32, the front and rear wheels are unfolded and then the roll-over base 22 is retained by the retaining head 32, so that the front and rear wheels are completely fixed, when the cart is folded, the retaining member 31 needs to be pressed down to depress the retaining head 32, and when the cart is folded, the cart body is reversely folded to link the handle 21, and the front and rear casters are folded, so that the stability and firmness.

In a specific embodiment, as shown in fig. 2, an elastic member 241 is further disposed inside the roll-over stand 24, the elastic member 241 is detachably connected to the tooth head 25, the elastic member 241 is cylindrical, the shape of the elastic member 241 matches the shape of the roll-over stand 24, the elastic member 241 pushes against the roll-over seat 22, the roll-over seat 22 abuts against the linkage handle 21 to maintain the unfolded state, and the roll-over stand 24 can perform an elastic buffering effect through the elastic member.

In a specific embodiment, the elastic member 241 is a compression spring, which has good elasticity, high toughness and strength, and long service life.

In a specific embodiment, the materials that shallow body 1, front wheel subassembly 13, rear wheel subassembly 12 and upset subassembly 2 adopted are aluminum alloy, magnalium or carbon fiber, can improve the intensity of knapsack car, can also alleviate the weight of automobile body simultaneously to alleviate user's burden, thereby reach lighter and more handy portable purpose.

In a concrete implementation mode, still be equipped with on the shallow body 1 and take out the pole, the shallow takes out the pole and is scalable regulation, and the flexible regulatory function of accessible shallow pole is taken out, freely adjusts the height that the shallow pushed away the hand (hold) according to user's height, and children also can relax convenient use shallow, have increased user's scope and travelling comfort.

The utility model also provides a knapsack, as shown in figure 3, collapsible shallow and the multi-functional structure of accomodating of setting on collapsible shallow.

In a specific implementation mode, multi-functional structure of accomodating includes bicycle storage chamber 41 and storing chamber 42, and the inside front side of knapsack 4 is located to bicycle storage chamber 41, and the inside rear side of knapsack 4 is located to storing chamber 42, is equipped with the fabric interlayer between bicycle storage chamber 41 and the storing chamber 42, and various personal article can be placed to bicycle storage chamber 41, and the fabric interlayer in the middle of can effectually separate two different cavities, is convenient for distinguish and places different article.

In one embodiment, the backpack 4 further includes storage bags 43 disposed at two sides of the exterior of the backpack body, so as to increase more storage space and facilitate carrying more articles.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a collapsible shallow, includes collapsible flexible shallow body, bedplate and locates front wheel subassembly and rear wheel subassembly on the shallow body, its characterized in that still includes the upset subassembly, the upset subassembly includes linkage handle, roll-over stand, trip shaft, roll-over stand, tooth head and wheel link rod, the roll-over stand is located on the crossbeam of shallow body front end, the linkage handle with the trip shaft is connected respectively on the roll-over stand, the both sides of roll-over stand still are equipped with the roll-over stand, the lower extreme of roll-over stand with the front wheel subassembly is connected, wheel link rod parallel is located on the perpendicular roof beam of shallow body, the one end of wheel link rod with the roll-over stand is connected, the other end with the rear wheel subassembly is connected.

2. The foldable stroller of claim 1, wherein the front wheel assembly is adjustable from side to side, the linkage handle rotates the seat on the roll-over shaft, and the roll-over stand rotates the front wheel assembly to fold 90 ° inward.

3. The foldable cart according to claim 1, wherein the roll-over stand further comprises a locking structure, the locking structure comprises a locking member and a locking head, the locking head is embedded inside the roll-over stand and is protruded in a semicircular shape, the locking member is disposed at one end of the wheel link, the locking member and the locking head are vertically disposed in a corresponding manner, and the locking member can be pressed to adjust the locking head.

4. The foldable cart according to claim 1, wherein an elastic member is further disposed inside the roll-over stand, the elastic member is detachably connected with the tooth head, and the elastic member is cylindrical.

5. The foldable stroller of claim 4, wherein the resilient member is a torsion spring.

6. The foldable cart of claim 1, wherein the cart body, the front wheel assembly, the rear wheel assembly and the flip assembly are made of aluminum alloy, magnesium aluminum alloy or carbon fiber.

7. The foldable cart according to claim 1, wherein the cart body further comprises a draw bar, and the draw bar is telescopically adjustable.

8. A backpack, comprising a foldable cart according to any of claims 1-7 and a multifunctional stowage structure provided on the foldable cart.

9. The backpack of claim 8, wherein the multifunctional storage structure comprises a parking cavity and a storage cavity, the parking cavity is disposed at the front side of the backpack interior, the storage cavity is disposed at the rear side of the backpack interior, and a fabric interlayer is disposed between the parking cavity and the storage cavity.

10. The backpack of claim 9, further comprising a storage bag disposed on both sides of the exterior of the backpack body.