CN209022970U - A kind of folding stand with loading basket - Google Patents

Abstract

The utility model discloses a folding vehicle frame with an object-bearing basket, which comprises left and right side frames arranged oppositely, and a connecting frame fixed between the left and right side frames, each side frame comprises a front foot rod and a rear foot rod and a handle bar, the rear foot bar includes a rear wheel connecting seat and two connecting rods installed on the top of the rear wheel connecting seat; the load-bearing basket includes a basket opening rod and a hanger rod, wherein one end of the basket opening support rod It is hinged with one of the two connecting rods, and the other end of the basket strut is a suspension end; one end of the boom is hinged with the other link of the two connecting rods, and the other end of the boom is The basket opening strut is hinged; a foldable multi-link mechanism is formed between the basket opening strut, the boom and the two connecting rods. The object-bearing basket of the utility model can provide a larger object-bearing space without affecting the folding flatness of the folding frame.

Description

A folding frame with a load-bearing basket

technical field

The utility model relates to the field of baby carriages, in particular to a folding frame with an object basket.

Background technique

Most of the frames of the existing baby carriages are of foldable structures, and from a structural point of view, there are not only complex linkage mechanisms with multiple joints, but also relatively simple types of linkages.

For example, the publication number CN201086733Y discloses a folding device for a foldable stroller. The foldable stroller includes a handle pipe, a first pipe, and a locking mechanism disposed between the handle pipe and the first pipe , and a second pipe connected to the locking mechanism, the locking mechanism includes a fixed seat mounted on the top of the first pipe, a rotating seat mounted on the bottom end of the handle pipe and one end pivotally connected to the fixed seat, and a shaft The bolt is used for engaging the fixed seat and the rotating seat to fix the angle formed between the handle pipe and the first pipe. The shaft bolt has a limit hole. The pin rod in the limit hole, and a transmission part between the pin rod and the driving part, the driving part is displaced relative to the second pipe part, so that the pin rod is disengaged from the engagement with the limit hole, so that the shaft bolt can be in the handle pipe part internal displacement.

The main feature of the prior art is that the frame includes a front foot rod, a rear foot rod and a handle rod, and the three are rotated and cooperated relative to each other through a hinge mechanism. The hinge mechanism can be either a single-axis structure or a multi-axis structure with multiple rotation axes; The relative rotation of the rod, the rear foot rod and the handle rod can realize the folding and unfolding of the frame. In order to lock the folding and unfolding state, a locking mechanism can be provided on the hinge mechanism.

However, in the prior art, even the connecting rods on the same side of the frame are axially dislocated, and there is a great potential for pinching when the frame is retracted. Aesthetics when folded.

Another example is the patent document CN206344866U, which discloses a folding frame with an improved rear foot bar, including a front foot bar, a rear foot bar and a handle bar, the top of the front foot bar and the bottom of the handle bar are rotated and matched by a hinge mechanism, and the rear foot bar includes : Y-shaped seat, the bottom of the Y-shaped seat is rotatably matched with the rear axle, and the top has two branches; two connecting rods, the top of one connecting rod is hinged with the handle rod, the top of the other connecting rod is hinged with the front foot rod, and the bottom of each connecting rod is hinged with the handle rod. A corresponding branch on the Y-shaped seat is connected, and one of the connecting rods is fixedly connected with the corresponding branch, and the other connecting rod is hinged with the corresponding branch.

The main feature of the prior art is that the rear leg of the folding frame is improved through the Y-shaped seat and the two connections connected to the top branch of the Y-shaped seat, and the aesthetics of the rear leg is enhanced by the hinge of the main connection parts between the components. , and make the rear foot rod have good symmetry, and it is also more flat and beautiful after being folded.

However, in the prior art, the load space on the folding frame is small, which reduces the convenience of using the folding frame, and the size design of the load space has a great influence on the performance of the folding frame. In the design, the contradiction between the size of the load space and the flatness of the folding frame is easy to appear.

Utility model content

The utility model provides a folding vehicle frame with an object-bearing basket, which can provide a larger object-bearing space without affecting the folding flatness of the folding vehicle frame.

A folding frame with a load-bearing basket includes left and right side frames arranged oppositely, and a connecting frame fixed between the left and right side frames, each side frame includes a front foot rod, a rear foot rod and a handle rod, the front foot The top of the rod and the bottom of the handle rod are rotatably matched by a hinge mechanism, and the rear foot rod includes a rear wheel connecting seat and two connecting rods installed on the top of the rear wheel connecting seat, and the top of the first connecting rod of the two connecting rods is connected with the top of the first connecting rod. The front foot rod is hinged, and the top of the second link is hinged with the handle rod;

The object-bearing basket includes a basket strut and a hanger rod, wherein one end of the basket strut is hinged with one of the two connecting rods, and the other end of the basket strut is a suspension end; the hanger One end of the rod is hinged with the other of the two connecting rods, and the other end of the boom is hinged with the basket strut; the basket strut, the boom and the two connecting rods form a foldable multiple Linkage.

The key point of the present invention is to improve the installation of the basket on the folding frame, and the existing technology can be used for the hinge mechanism itself, as well as its locking and control methods.

For the rest of the frame, it can be technically set up as required, such as three or four wheels, adaptive brakes and sunshades.

The basket includes a basket opening bar and a hanger rod, and the basket opening brace refers to a part connected with the edge of the basket opening of the object basket and used to keep the basket opening of the object basket with a specific shape.

One end of the basket strut is hinged with the folding frame, and the other end is the suspension end. Properly extending the basket strut can further expand the extension area allowed by the basket, thereby obtaining a larger space for the object.

A foldable multi-link mechanism is formed between the basket support rod, the boom and the two connecting rods, and the multi-link mechanism links the folding action of the folding frame to the load-bearing basket, so that the load-bearing basket follows the folding vehicle The folding action of the frame produces corresponding morphological changes, so as to avoid affecting the folding flatness of the folding frame.

Preferably, the multi-link mechanism encloses a concave quadrilateral.

The concave quadrilateral refers to the two connecting rods, the basket support rod and the hanging rod. The shape formed by the connection of the four hinge points of the four connecting parts is a concave quadrilateral, and does not refer to the two connecting rods, the basket support rod and the hanging rod. The rods themselves form a concave quadrilateral.

The concave quadrilateral can reduce the deformation required when the multi-link mechanism is folded, and save the space occupied by the multi-link mechanism after folding.

Optionally, the first connecting rod is fixedly connected with the top of the rear wheel connecting seat, and the second connecting rod is hinged with the top of the rear wheel connecting seat;

One end of the basket support rod is hinged with the first connecting rod, and one end of the hanging rod is hinged with the second connecting rod.

After being connected in the above manner, the hanging end of the basket strut extends away from the front foot bar, that is, toward the rear of the folding frame. It can further expand the carrying space of the carrying basket.

Optionally, the second link is fixedly connected with the top of the rear wheel connecting seat, and the first link is hinged with the top of the rear wheel connecting seat;

One end of the basket support rod is hinged with the first connecting rod, and one end of the hanging rod is hinged with the second connecting rod.

Preferably, in the folded state, the basket opening strut abuts against the first link on the corresponding side.

Preferably, the object-bearing basket further comprises a cross bar, and two ends of the cross bar are respectively connected with the suspended ends of the basket support bars on the left and right side frames.

Considering the high possibility of deformation of the hanging ends of the basket struts, connecting a cross bar between the two hanging ends can strengthen the structural strength of the hanging ends of the two basket struts, and at the same time, improve the load-bearing basket. The basket mouth also has better support.

Preferably, the object-receiving basket further comprises a pocket body connected with the basket opening strut, and a storage space is formed between the horizontal bar and the basket opening strut on the left and right side frames and the pocket body.

The storage space is equivalent to the storage space of the storage basket, which is used to carry objects.

The pocket body may be entirely connected to the basket strut, or may be partially connected to the basket strut, for example, one side of the pocket body is connected to the basket strut, and the other side of the pocket body is connected to the front foot On the rod, in this connection mode, the pocket body of the object-bearing basket extends from the support rod of the basket mouth to the position where the front foot rod is located, which significantly increases the volume of the pocket body, so that the folding frame of the present invention has a larger size. Storage space, improve the convenience of using the folding frame.

Preferably, in the unfolded state, the hinged position of the boom and the basket support rod is in the area between the two connecting rods.

The hinged position of the boom and the basket strut can affect the state of the multi-link mechanism when the frame is folded. When the hinged position of the boom and the basket strut is in the area between the two links, the multi-bar mechanism After folding, it is as close as possible to the rear foot post, which can greatly reduce the volume of the folded frame.

Preferably, both the basket support rod and the hanger rod are hinged on the inner side of the rear foot rod.

The inner side of the rear foot bar refers to the side of the rear foot bar facing between the left and right frames. The basket strut and the hanger are hinged on the inner side of the rear foot bar, which can reduce the space interference of the components, and also make the appearance of the frame neat and tidy. Does not affect the flatness of the frame after folding.

Preferably, in the unfolded state, the suspended end of the basket strut extends to the outside of the area sandwiched by the two connecting rods.

The extension of the hanging end of the basket support rod can ensure that the basket has a suitable load space.

Preferably, the bottom of the rear wheel connecting seat is used to install the rear axle, and the top of the rear wheel connecting seat is provided with two branches, which are respectively connected with the two connecting rods through the branches.

The rear wheel connecting seat supports the two connecting rods more independently through two branches, which is conducive to the movement of the two connecting rods according to their respective paths. Preferably, under the premise of ignoring the thickness of the rear wheel connecting seat and the two connecting rods, the rear wheel connecting seat and the two connecting rods are arranged to be coplanar.

The folding frame of the utility model realizes the installation of the object-bearing basket through the basket support rod and the suspension rod linked with the rear foot rod, which ensures that the object-bearing basket has a large object-bearing space and does not affect the folding of the folding frame. flatness.

Description of drawings

Fig. 1 is the schematic diagram of the folding frame of the present utility model;

Fig. 2 is the partial schematic diagram of the folding frame of the utility model;

3 is a schematic diagram of the folding state of the folding frame of the present invention (with the pocket body removed).

In the figure: 1. Handle bar; 2. Hinge mechanism; 3. Front foot bar; 4. First connecting rod; 5. Second connecting rod; ; 9, the second connecting ear; 10, the axle sleeve; 11, the reference line; 12, the rear wheel connecting seat; 13, the pocket body.

Detailed ways

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments, and the following embodiments do not constitute a limitation to the present invention.

As shown in Figures 1 to 3, a folding frame with an object basket in this embodiment includes left and right sides arranged oppositely, and a connecting frame fixed between the left and right frames. The connecting frame refers to One or more reinforcing rods connected to the left and right side frames to increase the integrity of the left and right side frames.

Each side frame includes a front foot rod 3 , a rear foot rod and a handle rod 1 , and the top of the front foot rod 3 and the bottom of the handle rod 1 are rotatably matched through a hinge mechanism 2 . The handle bars 1 on the left and right frames can be separated into two parts, and both parts have holding positions; the handle bars 1 on the left and right frames can also be an integrated structure formed by bending , and set the holding position on the one-piece structure. The hinge mechanism 2 in this embodiment is realized by using the prior art, and details are not repeated here.

The rear foot rod includes a rear wheel connecting seat 12, and the bottom of the rear wheel connecting seat 12 is provided with a bushing 10 for passing the rear axle. Reinforcing ribs are arranged between the bottoms of the rear wheel connecting seat 12 .

The top of the rear wheel connecting seat 12 has two branches, which are respectively connected to the first connecting rod 4 and the second connecting rod 5 . The bottom of the first connecting rod 4 is fixedly connected with the corresponding branch of the rear wheel connecting seat 12 , and the bottom of the second connecting rod 5 is hinged with the corresponding branch of the rear wheel connecting seat 12 .

A first connecting ear 8 is provided on the side of the handle bar 1 facing the rear foot bar, and the top of the second connecting rod 5 is hinged on the first connecting ear 8 .

The side of the front foot rod 3 facing the rear foot rod is provided with a second connection ear 9 , and the top of the first link 4 is hinged on the second connection ear 9 .

In the unfolded state, the first connecting ears 8 and the second connecting ears 9 are located on both sides of the hinge mechanism 2 and are adjacent to the hinge mechanism 2; it can be seen from the figure that the first connecting ears 8 and the second connecting ears 9 are basically located on the handle bar 1 respectively. , and the top of the forefoot bar 3. In the folded state, the first connecting ear 8 and the second connecting ear 9 are close to each other.

Without considering the thickness, the rear wheel connecting seat 12 and the connected two connecting rods are coplanarly arranged, so that the overall appearance is neat and the space interference of the components is reduced.

In the unfolded state, the connection line between the rear axle and the hinge mechanism 2 is the reference line 11 , and the rear wheel connecting seat 12 itself and the two connecting rods are symmetrically arranged with respect to the reference line 11 . Not only that, the handle bar 1 and the part of the forefoot bar 3 adjacent to the hinge mechanism 2 are also symmetrically arranged with respect to the reference line 11 .

On the two connecting rods of the rear wheel connecting seat 12 , the first connecting rod 4 is hingedly connected with the basket support rod 7 , and the second connecting rod 5 is hingedly connected with the hanging rod 6 . As can be seen from the figure, in this embodiment, one end of the basket strut 7 is hinged to the middle area of the first link 4, and the other end is a suspended end, and the suspended end extends to the outside of the area sandwiched by the two links, And it extends in the direction away from the front foot bar 3; one end of the boom 6 is hinged in the middle area of the second link 5, the other end is hinged with the basket strut 7, and the hinged position of the boom 6 and the basket strut 7 is at in the area between the two connecting rods.

In other embodiments, in order to meet the user's requirement of reducing the arrangement of components below the handle bar 1, one end of the basket support bar 7 can be hinged on the second link 5, and one end of the hanger bar 6 can be hinged on the first link 4, the other end of the hanger bar 6 is hinged with the basket support bar 7, so as to reduce the arrangement of components under the handle bar 1, and at the same time, the folding frame has a larger space for objects.

The middle area refers to the area that starts from the center point of the connecting rod and extends to both sides in the length direction of the connecting rod, and the middle area accounts for 1/3 of the total length of the connecting rod. Of course, in other embodiments, the hinged position of the basket strut 7 and the first link 4 and the hinged position of the hanger 6 and the second link 5 can be adjusted according to actual needs.

The first link 4, the second link 5, the basket strut 7 and the hanger 6 are hinged to form a foldable multi-link structure, so that the basket strut 7 and the hanger 6 can form a linkage relationship with the rear foot bar to Adapt to the folding of the frame. The connecting lines of the first link 4 , the second link 5 , the basket strut 7 and the four hinged parts on the hanger 6 form a concave quadrilateral.

In order to avoid affecting the aesthetics of the folded frame after being folded, and at the same time to reduce the spatial interference of components, the basket strut 7 and the hanger 6 are hinged on the inner side of the rear leg.

A pocket body 13 is connected between the two basket struts 7 on the left and right side frames, and a crossbar is connected between the suspended ends of the two basket struts 7, and the pocket body 13 is close to the position of the crossbar It can be connected with the cross bar to further strengthen the fixation of the pocket body 13 .

It should be noted that the cross bar may be a rigid structure or a flexible structure, and the cross bar and the pocket body 13 may be a split structure or an integrated structure.

In this embodiment, one side of the pocket body 13 is connected to the basket strut 7 , and the other side of the pocket body 13 is connected to the front foot bar 3 . Here, one side and the other side of the pocket body 13 are relative to the relative position distribution of the basket strut 7 and the front foot bar 3. From the above-mentioned relative position distribution, the pocket body 13 and the left and right basket struts are seen. The connection position of 7 is on the same side.

The two basket struts 7, the two suspension rods 6 on the left and right frames, as well as the cross bar and the pocket 13 constitute a basket suitable for the folding frame, and the two basket struts 7 are It extends in the direction away from the front foot bar 3 , so the storage space formed by the cross bar and the basket support bars 7 on the left and right side frames and the pocket body 13 is relatively large.

It is easy to understand that the components included in the above-mentioned load-bearing basket are only the required components to constitute the load-bearing basket in this embodiment, and the rest of the load-bearing basket can be set according to technical requirements. For example, the load-bearing basket may also include: The basket cover connected between the two basket opening struts 7 for covering the basket opening may also include a plurality of reinforcing bars for strengthening the support of the basket.

In the unfolded state, the basket strut 7 is far away from the first link 4 on the corresponding side, and tends to the horizontal direction, so as to ensure that the basket has a large storage space.

When folded, the handle bar 1 and the front foot bar 3 rotate relative to each other, and move toward the rear foot bar from both sides respectively. The second link 5 in the rear foot bar is driven by the handle bar 1 to move closer to the first link The boom 6 connected by the rod 5 also approaches the first link 4 , and during the approaching process, the boom 6 exerts a force on the basket strut 7 to drive the basket strut 7 to approach the first link 4 .

In the folded state, the handle bar 1 is close to the second connecting rod 5, the front foot rod 3 is close to the first connecting rod 4, and the basket support rod 7 is pressed against the first connecting rod 4 on the corresponding side, and the overall volume is small.

The focus of this utility model is on the improvement and installation of the load-bearing basket on the folding frame, and the rest of the frame will not be described too much. The folding frame realizes the installation of the load-bearing basket through the basket support rod 7 and the hanging rod 6 linked with the rear foot rod, which ensures that the load-bearing basket has a large load space, and does not affect the folding flatness of the folding frame. .

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding actions according to the present invention. changes and deformations, but these corresponding changes and deformations shall belong to the protection scope of the appended claims of the present utility model.

Claims (10)

1. a kind of folding stand with loading basket, including left and right side frame positioned opposite, and be fixed on left and right side frame it Between connection frame, each side frame includes preceding foot lever, rear foot lever and handlebar stem, and the top of preceding foot lever and the bottom of handlebar stem pass through hinge Chain mechanism is rotatably assorted, which is characterized in that foot lever includes rear-wheel attachment base and is mounted at the top of rear-wheel attachment base after described Two connecting rods, the top of the first connecting rod in two connecting rods and preceding foot lever are hinged, and the top of second connecting rod and handlebar stem are hinged；

The loading basket includes basket open strut and sunpender, wherein one end of the basket open strut and wherein one in two connecting rods Hingedly, the other end of basket open strut is suspension end；One end of the sunpender and another connecting rod in two connecting rods are hinged, sunpender The other end and basket open strut it is hinged；Folding multi-connecting-rod mechanism is formed between the basket open strut, sunpender and two connecting rods.

2. having the folding stand of loading basket as described in claim 1, which is characterized in that the multi-connecting-rod mechanism surrounds recessed four Side shape.

3. having the folding stand of loading basket as described in claim 1, which is characterized in that first connecting rod and rear-wheel attachment base top Portion is fixedly connected, hinged at the top of second connecting rod and rear-wheel attachment base；

One end of the basket open strut and first connecting rod are hinged, and one end of the sunpender and second connecting rod are hinged.

4. folding shopping cart as claimed in claim 3, which is characterized in that under folded state, basket open strut is to corresponding side One connecting rod reclines.

5. having the folding stand of loading basket as described in claim 1, which is characterized in that the loading basket further includes cross bar, The both ends of the cross bar are connected with the suspension end of basket open strut each on left and right side frame respectively.

6. as claimed in claim 5 have loading basket folding stand, which is characterized in that the loading basket further include with it is described Basket open strut connected pocket body forms material-putting space between the basket open strut and pocket body on the cross bar and left and right side frame.

7. folding shopping cart as described in claim 1, which is characterized in that under unfolded state, sunpender and basket open strut are hinged Position be in region folded by two connecting rods.

8. folding shopping cart as described in claim 1, which is characterized in that the basket open strut and sunpender are hinged on the rear foot The inside of bar.

9. folding shopping cart as described in claim 1, which is characterized in that under unfolded state, the suspension end of basket open strut is prolonged Extend to the outside in region folded by two connecting rods.

10. folding shopping cart as described in claim 1, which is characterized in that the bottom of the rear-wheel attachment base is for installing Back axle, there are two branches for the top tape of the rear-wheel attachment base, and are separately connected by the branch and two connecting rods.