CN208498529U

CN208498529U - A kind of cart

Info

Publication number: CN208498529U
Application number: CN201820769738.8U
Authority: CN
Inventors: 解鹏飞
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2019-02-15
Anticipated expiration: 2028-05-23

Abstract

The utility model discloses a cart, which comprises a vehicle frame with an unfolded state and a folded state, a front wheel assembly, a rear wheel assembly, a locking mechanism for locking the vehicle frame in the unfolded state, and a basket arranged on the vehicle frame Assembly, the frame includes side brackets located on the left and right sides of the cart, the side brackets include push rods, a front bracket with a front wheel assembly at the bottom and a rear bracket with a rear wheel assembly at the bottom, the frame also includes a connecting rod and a connecting frame One end of the connecting rod is rotatably connected with the rear bracket, the other end is rotatably connected with the front bracket, the front end of the connecting frame is rotatably connected with the front bracket, and the rear end is rotatably connected with the rear bracket. The rear bracket constitutes a four-bar linkage mechanism; the cart frame of the utility model is small in size after being folded, novel in appearance and beautiful in appearance, and is conducive to carrying or arranging larger basket components, and is conducive to carrying more items or carrying larger children.

Description

A kind of cart

Technical field

The utility model is specifically related to a kind of cart.

Background technique

Currently, cart used in people's lives more and more frequently, function is also more and more, and what is had can be used as Pet car, what is had can be used as children trolley, the cart that some is also used as daily necessity or buys vegetables etc., although big at present Partial cart can realize some or all of folding, but still that there are volume after folding is excessive, and folding operation is cumbersome, no Conducive to storage, and function is more single, it is difficult to meet standard higher and higher in reality.

Utility model content

Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of improved cart.

In order to solve the above technical problems, the technical solution that the utility model is taken is as follows:

A kind of cart, including with unfolded state and folded state vehicle frame, front component, wheel assembly, for by institute The basketry component that vehicle frame is locked in the locking mechanism of unfolded state, is arranged on the vehicle frame is stated, the vehicle frame includes being located at institute The side stand at left and right sides of cart is stated, the side stand includes push rod, bottom fore-stock and bottom equipped with the front component After-poppet equipped with the wheel assembly, the vehicle frame further include connecting rod and connection frame, and one end of the connecting rod is propped up afterwards with described Frame rotates connection, and the other end rotates with the fore-stock and connect, and the front end of the connection frame rotates with the fore-stock Connection, rear end rotate with the after-poppet and connect, the connecting rod, the fore-stock, the connection frame and the after-poppet structure At four-bar mechanism.

Some preferred aspects according to the present utility model, the lower end of the push rod and the upper end phase of the after-poppet turn Dynamic connection, the both ends of the connecting rod rotate with the top of the rear end of the fore-stock and the after-poppet connect respectively, when When the vehicle frame is in unfolded state, the fore-stock, the connecting rod, the push rod and the after-poppet respectively from front to back to Upper extension, the after-poppet is identical as the extending direction of the push rod, and the fore-stock is identical as the extending direction of the connecting rod.

Some preferred aspects according to the present utility model, the push rod include upper push-rod, sliding opposite with the upper push-rod The lower push-rod of ground setting, the lower end of the lower push-rod rotates with the upper end of the after-poppet and connect.

Some preferred aspects according to the present utility model, the vehicle frame further include pushing away along what the cart left and right directions extended The top of bar connecting rod, the upper push-rod of the left and right sides is connected by the push rod connecting rod.

Some preferred aspects according to the present utility model, when the vehicle frame folding, the push rod is rearwardly towards the rear branch Frame direction is drawn close, and the junction of the fore-stock and the connecting rod moves upwards, and then when the vehicle frame is in folded state, The push rod, the fore-stock, the connecting rod and the after-poppet are mutually drawn close.

Some preferred aspects according to the present utility model, the connection frame include top respectively with the left and right sides it is described before Rotate the first supporting linkage of connection, rear portion of bracket rotates the second of connection with the after-poppet of the left and right sides respectively Supporting linkage, the lower part of first supporting linkage be fixedly connected with the front of second supporting linkage or one at Type.

Some specific aspects according to the present utility model, first supporting linkage are the first opening up U-shaped bar, The both ends of the first U-shaped bar opening rotate with the fore-stock of the left and right sides respectively to be connect, and second support connects Extension bar is the second facing forward U-shaped bar of opening, the after-poppet with the left and right sides respectively of the both ends at the second U-shaped rod seal Rotate connection, the both ends at the first U-shaped rod seal be fixedly connected respectively with the both ends of the described second U-shaped bar opening or It is integrally formed.

Some preferred aspects according to the present utility model, the vehicle frame further include both ends respectively with the left and right sides it is described before The junction of the support rod of the front connection of bracket, the support rod and the fore-stock is located at the connection frame and the preceding branch The front of the junction of frame.

More according to the present utility model specific and preferred aspect, the front of the basketry component is pressed on the support On bar, the middle part or rear portion of the basketry component are pressed on the connection frame, the basketry component and the support rod and/or The connection frame be fixedly connected or by connector it is detachably connected.

More according to the present utility model specific and preferred aspect, the connector are fixed at the basketry component Bottom；

More according to the present utility model specific and preferred aspect, the connector is latch hook, and the latch hook hook is located at On the connection frame or the support rod and for making the relatively described connection frame of the basketry component or the support rod described in The front-rear direction of cart is opposing stationary.

More according to the present utility model specific and preferred aspect, the connector include locked groove, are slidably arranged in The bullet tongue of the locked groove side, the bullet tongue have the first operating position and the second operating position, when the bullet tongue is in described When the first operating position, the locked groove matches to form limiting section with the bullet tongue, the limiting section and the connection frame or institute It states support rod and matches the realization relatively described connection frame of basketry component or the support rod along the front-rear direction of the cart It is opposing stationary；When the bullet tongue is in the second operating position, the bullet tongue and the locked groove are detached from and cooperate, the basketry component It can be moved relative to the connection frame or the support rod along the front-rear direction of the cart.

Some specific aspects according to the present utility model, the basketry component are to provide doting on for pet sitting or the support that lies down Object basket.

Due to the use of above technical scheme, the utility model has the advantages that compared with prior art

Each rod piece collapses closer between each other after the stroller frame of the utility model can be realized folding, takes up space more It is small, and by the setting of connecting rod, also to be unfolded between fore-stock and after-poppet it is more flexible with folding, while before can also making Bracket keeps almost the same after folding gathering with after-poppet in the up-down direction, and then in upper and lower after reduction vehicle frame foldable integral Upward space accounting, further reduced folded volume.The cart shape of the utility model is more attractive simultaneously, and structure is more Novelty, folding operation are simple.

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 Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the overall structure diagram of the utility model cart；

Fig. 2 is the side schematic view of the utility model cart；

Fig. 3 is that the utility model cart removes the structural schematic diagram after basketry component；

Fig. 4 is the structural schematic diagram of the utility model basketry component (connector is arranged on basketry component)；

Fig. 5 is that the schematic diagram of one of embodiment of the utility model connector (plays tongue and is in the first working position It sets)；

Fig. 6 is that connector shown in fig. 5 tongue of being hit by a bullet is in the schematic diagram of the second operating position；

Fig. 7 is the schematic diagram of another embodiment of the utility model connector；

Fig. 8 is the vehicle frame side schematic view of the utility model cart；

Fig. 9 is the structural schematic diagram in Fig. 8 after push rod contraction；

Figure 10-12 is that the vehicle frame of the utility model cart is in the folding schematic diagram in folding process；

Figure 13 is a kind of folded state (visual angle) of the vehicle frame of the utility model cart；

Figure 14 is the folded state (another visual angle) of the vehicle frame of the utility model cart；

Wherein, 1, fore-stock；2, after-poppet；3, push rod；31, upper push-rod；32, lower push-rod；41, support rod；42, it connects Frame；421, the first U-shaped bar；422, the second U-shaped bar；5, basketry component；6a, latch hook；6b1, locked groove；6b2, tongue is played；7, connecting rod；8, Front component；9, wheel assembly；R1, first rotating shaft；R2, the second shaft；R3, third shaft；R4, the 4th shaft；R5, the 5th turn Axis.

Specific embodiment

With reference to the accompanying drawing and the preferred embodiment of the utility model is further described the utility model.In following reality Apply in example, for convenience of describe, described in the definition about direction and it is left and right, upper and lower, forward and backward be using cart as reference Orientation.

As shown in figs. 1 to 14, a kind of cart is present embodiments provided, including the vehicle with unfolded state and folded state Frame, front component 8, wheel assembly 9, the locking mechanism for vehicle frame to be locked in unfolded state, the basketry being arranged on vehicle frame Component 5.

In this example, as shown in Figure 1-3, vehicle frame includes the side stand at left and right sides of the cart, side stand include push rod 3, Bottom is equipped with the after-poppet 2 of fore-stock 1 and bottom equipped with wheel assembly 9 of front component 8, and vehicle frame further includes connecting rod 7 and connection Frame 42, one end of connecting rod 7 rotates with after-poppet 2 to be connect, and the other end rotates with fore-stock 1 and connect, the front end of connection frame 42 It rotates and connect with fore-stock 1, rear end rotates with after-poppet 2 and connect, connecting rod 7,2 structure of fore-stock 1, connection frame 42 and after-poppet At four-bar mechanism.

Specifically, the lower end of push rod 3 rotates with the upper end of after-poppet 2 and connect, the both ends of connecting rod 7 respectively with preceding branch The rear end of frame 1 and the top of after-poppet 2 rotate connection, when vehicle frame is in unfolded state, fore-stock 1, connecting rod 7, push rod 3 It is upwardly extended from front to back respectively with after-poppet 2, after-poppet 2 is identical as the extending direction of push rod 3, and fore-stock 1 prolongs with connecting rod 7 It is identical to stretch direction.

In this example, as shown in Figure 1-3, push rod 3 includes the lower push-rod that upper push-rod 31 and upper push-rod 31 are slidably arranged relatively 32, the lower end of lower push-rod 32 rotates with the upper end of after-poppet 2 to be connect.Vehicle frame further includes extending along cart left and right directions The top of push rod connecting rod (not shown), the upper push-rod 31 of the left and right sides is connected by push rod connecting rod.

As shown in figure 3, connection frame 42 include top rotate respectively with the fore-stock 1 of the left and right sides connection first support Connecting rod, rear portion rotate with the after-poppet 2 of the left and right sides the second supporting linkage of connection respectively, the first supporting linkage Lower part is fixedly connected or is integrally formed with the front of the second supporting linkage.In this example, the first supporting linkage is opening up The first U-shaped bar 421, the both ends of the first U-shaped 421 opening of bar rotate with the fore-stock 1 of the left and right sides respectively to be connect, second Supporting linkage is opening the second U-shaped bar 422 facing forward, and the both ends at the second U-shaped 422 closing of bar are respectively and behind the left and right sides Bracket 2 rotates connection, the both ends at the first U-shaped 421 closing of bar respectively with the both ends of the second U-shaped 422 opening of bar are fixed connects It connects or is integrally formed.

In this example, as shown in Figure 1-3, vehicle frame further includes that both ends are connect with the front of the fore-stock 1 of the left and right sides respectively The junction of support rod 41, support rod 41 and fore-stock 1 is located at the front of the junction of connection frame 42 and fore-stock 1.

In this example, as shown in Figs. 1-2, the front of basketry component 5 is pressed on support rod 41, the middle part of basketry component 5 or Rear portion is pressed on connection frame 42, and basketry component 5 is detachably connected by connector with support rod 41 and connection frame 42 respectively；

As shown in figs. 4-7, in this example, in the fixed setting of the bottom of basketry component 5 there are two connector, one is located at basket The front of 5 bottom of basket assembly, one is located at the rear portion of 5 bottom of basketry component；

Specifically, one of connector is the rear portion that 5 bottom of basketry component is arranged in latch hook 6a(this example), latch hook 6a Hook is located on the second supporting linkage (the second U-shaped bar 422) and for making basketry component 5 with respect to the second supporting linkage (the 2nd U Type bar 422) along cart front-rear direction it is opposing stationary.

Specifically, the connector of another front for being located at 5 bottom of basketry component includes locked groove 6b1, is slidably arranged in The bullet tongue 6b2 of the side locked groove 6b1, playing tongue 6b2 has the first operating position (as shown in Figure 5) and the second operating position (such as Fig. 6 institute Show), when bullet tongue 6b2 is in the first operating position, locked groove 6b1 matches to form limiting section with tongue 6b2 is played, limiting section and support Bar 41, which matches, realizes that basketry component 5 is opposing stationary along the front-rear direction of cart with respect to support rod 41；Second is in when playing tongue 6b2 When operating position, plays tongue 6b2 and locked groove 6b1 and be detached from cooperation, basketry component 5 can be with respect to support rod 41 along the front-rear direction of cart It is mobile.

By the set-up mode of above-mentioned connection frame 42 and support rod 41, steadily the company of being supported on of basketry component 5 can be made It connects on frame 42 and support rod 41, simultaneously as the specific set-up mode of the first U-shaped bar 421 and the second U-shaped bar 422, can pass through The components such as fore-stock 1, after-poppet 2, the first U-shaped bar 421 limitation basketry component 5 is subjected to displacement in the left and right directions of cart, in turn Improve stability of the basketry component 5 in conjunction with vehicle frame；And by such set-up mode, also make basketry component 5 upper and lower Direction has biggish space, facilitates the height for increasing basketry component 5, that is, improves carrying capacity, be conducive to carry relatively large Pet or load more article etc..

It is by connector that basketry component 5 and connection frame 42 and support rod 41 is mutually detachably connected simultaneously, it both can be real Both existing combined use, alternatively, it can be achieved that the independent folding of vehicle frame when mutually dismantling, basketry component 5 be independently operated, and can Realize freely replace of basketry component 5 (such as replaceable color is different, face shaping is different, it is not of uniform size, act on different (hold Loading product, for children or pet sitting and lying) basketry component 5).

In this example, basketry component 5 is to provide the pet basket of pet sitting or the support that lies down.Or other types, Including but not limited to for food basket, children sleeping basket etc..

As shown in figure 8, the vehicle frame in this example includes the first rotating shaft R1 extended respectively along the left and right directions of cart, second turn Axis R2, third shaft R3, the 4th shaft R4, the 5th shaft R5.Wherein, fore-stock 1 and the first U-shaped bar 421 pass through first rotating shaft R1 rotates connection；Fore-stock 1 is rotated by the second shaft R2 with connecting rod 7 and is connect；Push rod 3 and after-poppet 2 are turned by third Axis R3 rotates connection；Connecting rod 7 is rotated by the 4th shaft R4 with after-poppet 2 and is connect；After-poppet 2 and the second U-shaped bar 422 are logical The 5th shaft R5 is crossed to rotate connection.

As seen in figures 8-14, in this example, when vehicle frame folding, push rod 3 is drawn close rearwardly towards after-poppet direction, fore-stock 1 with The junction of connecting rod 7 moves upwards, and then when vehicle frame is in folded state, push rod 3, fore-stock 1, connecting rod 7 and after-poppet 2 four Person mutually draws close.

Specifically, in this example, the folding mode of vehicle frame: after unlock vehicle frame, make upper push-rod 31 and 32 relative constriction of lower push-rod It overturns towards the back lower place of vehicle frame and is drawn close to after-poppet 2 together afterwards, connected in the rotate rotation of connection of fore-stock 1 and connecting rod 7 Meet place and apply upward external force, make fore-stock 1 and connecting rod 7 rotate connection rotation connection at move upwards and to after-poppet 2 Direction is drawn close, and then when vehicle frame is in folded state, push rod 3, fore-stock 1, connecting rod 7 and after-poppet 2 four are mutually drawn close.

To sum up, each rod piece collapses closer between each other after the stroller frame of the utility model can be realized folding, occupies Space is smaller, and passes through the setting of connecting rod 7, also makes expansion between fore-stock 1 and after-poppet 2 more flexible with folding, simultaneously also It keeps almost the same in the up-down direction after enabling to fore-stock 1 to fold gathering with after-poppet 2, and then reduces vehicle frame and integrally roll over The space accounting of poststack in the up-down direction, further reduced folded volume.The cart shape of the utility model simultaneously It is more attractive, topology update grain husk, and folding operation is simple, and the vehicle frame of the utility model is in the deployed state, is more advantageous to and puts It sets the basketry component 5 that perhaps setting is bigger and then is conducive to carry biggish children or load more articles etc..

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention, All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims

1. a kind of cart, including with unfolded state and folded state vehicle frame, front component, wheel assembly, for will be described The basketry component that vehicle frame is locked in the locking mechanism of unfolded state, is arranged on the vehicle frame, the vehicle frame include positioned at described Side stand at left and right sides of cart, the side stand includes push rod, bottom is equipped with the fore-stock of the front component and bottom is set Have the after-poppet of the wheel assembly, which is characterized in that the vehicle frame further includes connecting rod and connection frame, one end of the connecting rod with The after-poppet rotates connection, and the other end rotates with the fore-stock and connect, the front end of the connection frame and the preceding branch Frame rotates connection, and rear end rotates with the after-poppet and connect, the connecting rod, the fore-stock, the connection frame and described After-poppet constitutes four-bar mechanism.

2. cart according to claim 1, which is characterized in that the upper end of the lower end of the push rod and the after-poppet Rotate connection, and the both ends of the connecting rod rotate with the top of the rear end of the fore-stock and the after-poppet company respectively It connects, when the vehicle frame is in unfolded state, the fore-stock, the connecting rod, the push rod and the after-poppet are respectively before It upwardly extends backward, the after-poppet is identical as the extending direction of the push rod, the extension side of the fore-stock and the connecting rod To identical.

3. cart according to claim 2, which is characterized in that the push rod includes upper push-rod, opposite with the upper push-rod The lower push-rod being slidably arranged, the lower end of the lower push-rod rotate with the upper end of the after-poppet and connect.

4. cart according to claim 1, which is characterized in that when the vehicle frame folding, the push rod is rearwardly towards described After-poppet direction is drawn close, and the junction of the fore-stock and the connecting rod moves upwards, and then when the vehicle frame is in rugosity When state, the push rod, the fore-stock, the connecting rod and the after-poppet are mutually drawn close.

5. cart according to claim 1, which is characterized in that the connection frame includes institute of the top respectively with the left and right sides Rotate the first supporting linkage of connection, rear portion of fore-stock is stated to rotate with the after-poppet of the left and right sides respectively connection Second supporting linkage, the lower part of first supporting linkage are fixedly connected or one with the front of second supporting linkage It is body formed.

6. cart according to claim 5, which is characterized in that first supporting linkage is the first opening up U Type bar, the both ends of the first U-shaped bar opening rotate with the fore-stock of the left and right sides respectively to be connect, and described second Support connecting rod be the second U-shaped bar of opening forward, the both ends at the second U-shaped rod seal respectively with the left and right sides it is described after Bracket rotates connection, the both ends at the first U-shaped rod seal respectively with the both ends of the described second U-shaped bar opening are fixed connects It connects or is integrally formed.

7. cart according to claim 1, which is characterized in that the vehicle frame further includes institute of the both ends respectively with the left and right sides State the support rod of the front connection of fore-stock, the junction of the support rod and the fore-stock be located at the connection frame with it is described The front of the junction of fore-stock.

8. cart according to claim 7, which is characterized in that the front of the basketry component is pressed on the support rod On, the middle part or rear portion of the basketry component are pressed on the connection frame, the basketry component and the support rod and/or institute State connection frame be fixedly connected or by connector it is detachably connected.

9. cart according to claim 8, which is characterized in that the connector is fixed at the bottom of the basketry component Portion；

Wherein, the connector is latch hook, and the latch hook hook is located on the connection frame or the support rod and is used to make described The relatively described connection frame of basketry component or the support rod are opposing stationary along the front-rear direction of the cart；And/or the connection Part includes locked groove, the bullet tongue for being slidably arranged in the locked groove side, and the bullet tongue has the first operating position and the second work Position, when the bullet tongue is in first operating position, the locked groove matches to form limiting section with the bullet tongue, described Limiting section matches with the connection frame or the support rod and realizes the opposite connection frame of basketry component or the support Bar is opposing stationary along the front-rear direction of the cart；When the bullet tongue is in the second operating position, the bullet tongue and the lock Slot is detached from cooperation, the basketry component can the relatively described connection frame or the support rod moved along the front-rear direction of the cart It is dynamic.

10. cart according to claim 1, which is characterized in that the basketry component is to provide pet sitting or the branch that lies down The pet basket of support.