CN214451251U - Foldable super flat children's shallow - Google Patents

Abstract

The utility model discloses a foldable super flat children's shallow, including frame, front wheel group and rear wheel group, wherein the frame includes the fore-stock, the after-poppet, the seat pole, the push rod, and the side stay, wherein the preceding tip of side stay is located the top of back tip, when the push rod backward and downwardly rotating folding, the after-poppet draws close to the before-poppet, the preceding tip of seat pole forward and upwards overturns, when the push rod laminating is on the fore-stock, the shaft that front wheel group and rear wheel group is located same straight line, children's shallow is the platykurtic. The utility model discloses form linkage or locking between each member that constitutes the frame, have good stability when expanding, the frame is the platykurtic when folding, and the wheel shaft of front and back wheel group is located same straight line, consequently, folding back is small, portable, and a plurality of folding back shallow can the vertical type pile in addition, and then make things convenient for depositing and managing of a plurality of shallow.

Description

Foldable super flat children's shallow

Technical Field

The utility model belongs to children's shallow field, concretely relates to foldable super flat children's shallow.

Background

At present, common children's shallow in market, its structure includes the frame, wheel group and the seat pocket frame of setting on the frame, and the frame all has folding function basically, promptly, the frame expandes when using, the frame can be folded in order conveniently to accomodate when not, however, most children's shallow are folding afterwards, the unable whole pile of each member of frame is in the same place and is the flat state, so folding children's shallow still has great volume, portable not.

Therefore, in a scene where a plurality of stroller are required to be stored, the stroller is stacked, which is easy to occupy and waste a large amount of space, and is not convenient for storing and managing the plurality of stroller.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a foldable super flat children's shallow of modified.

For solving the technical problem, the utility model discloses a following technical scheme:

a folding ultra-flat stroller comprises a frame, a front wheel set and a rear wheel set, wherein the frame is in an open state and a folded state, the frame comprises a front support, a rear support, a seat rod and a push rod, the front wheel set is arranged at the lower end part of the front support, the rear wheel set is arranged at the lower end part of the rear support, the upper end part of the front support is rotatably connected with the lower end part of the push rod, the upper end part of the rear support is rotatably connected with the lower end part of the push rod, the seat rod is rotatably connected with the rear support from the rear end part and is connected with the front support in a relative sliding and rotating manner, the frame also comprises a side supporting rod which is positioned at the same side of the front support and the rear support and is respectively rotatably connected with the front support and the rear support at the front end part and the rear end part, when the push rod is rotated backwards and folded downwards, the rear support is drawn towards the front support, and the front end part of the seat rod is turned upwards, when the push rod is attached to the front support, the wheel shafts of the front wheel set and the rear wheel set are located on the same straight line, and the stroller is flat.

Preferably, the upper end of the rear bracket is rotatably connected to the opposite inner side of the lower end of the push rod, and after being folded, the wheels of the rear wheel set are positioned between the two wheels of the front wheel set. Therefore, the folding implementation is more convenient, and the volume of the trolley can be reduced to a certain extent.

According to a specific implementation and preferred aspect of the utility model, the temple bar has two correspondences to set up in the left and right sides, and the preceding tip of every temple bar rotates to be connected in the inboard of fore-stock, the back tip rotates to be connected in the outside of after-poppet. The positions of the front bracket and the rear bracket can be limited in the unfolded state through the relative movement of the supporting rods at the two sides along with the front bracket and the rear bracket, so that the stable supporting effect is further improved; under the folding state, the linkage of the front and the rear supports can be realized, so that the frame can be conveniently folded.

Preferably, the rear end of the seat post is rotatably disposed at an opposite inner side of the rear bracket, and the front end is rotatably and slidably disposed at an opposite inner side of the front bracket. The arrangement is convenient for the seat post to move under the unfolding and folding states so as to improve the linkage between the rod pieces of the frame.

Specifically, the rear end part of the seat post and the rear end part of the side stay bar are rotatably connected to the inner side and the outer side of the rear bracket at the corresponding side through the same pivot.

According to a further embodiment and preferred aspect of the present invention, the front bracket is provided with a plurality of connecting seats on the inner side thereof, wherein each connecting seat includes a seat body fixed on the inner side of the front bracket, a rod sleeve rotatably provided on the seat body around the center line of the seat body, and the front end portion of the seat rod can be passed out of the rod sleeve. Under the setting of connecting seat, very conveniently implement seat pole rotation and the slip relative front bracket.

Specifically, when the frame is in an open state, the front end part of the seat rod penetrates through the rod sleeve and extends out of the front part of the front support at the corresponding position. Therefore, the front end part of the seat post is prevented from being separated from the post sleeve under the switching of the folding and unfolding states, and meanwhile, the installation of the seat post is facilitated.

Preferably, the frame further comprises a frame rod transversely arranged at the lower part of the front support and positioned above the front wheel set, and the child stroller further comprises a pedal arranged on the frame rod. Under the setting of hack lever, the installation of the running-board of being convenient for on the one hand, on the other hand improves the rigidity of front truck to improve the stability after the frame expandes.

Preferably, the front wheel set includes two front wheels at both sides, and the rear wheel set includes two rear wheels at both sides and a connecting shaft between the two rear wheels. Under the setting of connecting axle, the synchronism of further improvement rear wheel can also strengthen the rigidity of back rear frame simultaneously to improve the stability after the frame expandes.

In addition, the lower end part of the push rod is rotatably connected with the upper end part of the front bracket through a locking mechanism, wherein the locking mechanism comprises a first loop bar fixed at the upper end part of the front bracket, a second loop bar fixed at the lower end part of the push rod, and a locking piece which rotates and is connected with the upper end part and the lower end part of the first loop bar and the second loop bar in a locking way, the locking piece has a locking state and an unlocking state, and when the locking state is reached, the frame is completely unfolded; when in the unlocked state, the frame is folded.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses form linkage or locking between each member that constitutes the frame, have good stability when expanding, the frame is the platykurtic when folding, and the wheel shaft of front and back wheel group is located same straight line, consequently, folding back is small, portable, and a plurality of folding back shallow can the vertical type pile in addition, and then make things convenient for depositing and managing of a plurality of shallow.

Drawings

Fig. 1 is a schematic perspective view of the foldable ultra-flat stroller of the present invention;

FIG. 2 is a schematic right-side view of FIG. 1;

FIG. 3 is a schematic structural view of FIG. 1 as it transitions from an open position to a folded position;

FIG. 4 is a schematic right-side view of FIG. 3;

FIG. 5 is a schematic view of the folded state of FIG. 1;

FIG. 6 is a schematic right-side view of FIG. 5;

FIG. 7 is a schematic view of three of the carts of FIG. 1 stacked together;

FIG. 8 is a schematic right-side view of FIG. 7;

wherein: 1. a frame; 10. a front bracket; 100. a front bar; 101. a connecting seat; 1010. a seat body; 1011. a rod sleeve; 102. a front side stay bar; 11. a rear bracket; 110. a rear bar; 12. a seat post; 13. a push rod; 14. a side stay bar;

2. a front wheel set; 20. a front wheel;

3. a rear wheel set; 30. a rear wheel; 31. a connecting shaft;

4. a locking mechanism; 40. a first loop bar; 41. a second loop bar; 42. a locking member;

5. a foot pedal.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the foldable ultra-flat stroller according to the present embodiment includes a frame 1, a front wheel set 2, a rear wheel set 3, and a locking mechanism 4.

Specifically, the vehicle frame 1 includes a front bracket 10, a rear bracket 11, a seat post 12, a push rod 13, and a side stay 14.

The front wheel set 2 is provided at a lower end portion of the front bracket 10 and includes two front wheels 20.

The rear wheel set 3 is disposed at a lower end portion of the rear bracket 11, and includes two rear wheels 30 and a connecting shaft 31.

The locking mechanism 4 is used for locking and connecting the upper end part of the front bracket 10 and the lower end part of the push rod 13.

In this example, the locking mechanism 4 is correspondingly disposed on the left and right sides of the frame, and includes a first loop bar 40, a second loop bar 41, and a locking member 42 for rotating and locking the upper and lower ends of the first loop bar 40 and the second loop bar 41, wherein the upper end of the front bracket 10 on the same side is connected to the first loop bar 40, and the lower end of the push rod 13 on the same side is connected to the second loop bar 41.

In this example, the front frame 10 includes two front bars 100 disposed opposite to each other in the left-right direction, a connecting seat 101 correspondingly disposed inside each front bar 100, and a frame bar 102 connecting lower portions of the two front bars 100 and located above the front wheel set 2.

Specifically, the upper end of the front rod 100 is fixedly connected to the first link 40, and the front wheel 20 is correspondingly disposed at the lower end of the front rod 100.

The connection holder 101 includes a holder body 1010 fixed inside the front bar 100, and a lever sleeve 1011 rotatably disposed on the holder body 1010 about a center line of the holder body 1010.

The rear bracket 11 includes two rear rods 110 disposed opposite to each other in the left-right direction, wherein an upper end portion of each rear rod 110 is rotatably connected to the second sleeve rod 41, and the rear wheel 30 is correspondingly disposed at a lower end portion of the rear rod 110.

The seat post 12 is a U-shaped post, wherein the U-shaped post is disposed obliquely forward and backward, and is rotatably connected to the opposite inner sides of the two rear posts 110 from the opposite outer sides of the rear end portions (i.e., the closed ends), and the front end portions (i.e., the open ends) can be disposed through the post sleeves 1011 on the corresponding sides.

The push rod 13 is also a U-shaped rod, wherein the second set of rods 41 is fixedly connected from the open end of the U-shaped rod.

The side supporting rods 14 are obliquely arranged, and two side supporting rods are correspondingly arranged at the left side and the right side of the frame.

Specifically, the front end of each temple bar 14 is pivotally connected to the front bar 100 on the corresponding side, the rear end is pivotally connected to the rear bar 110 on the corresponding side, and the front end of each temple bar 14 is always kept above the rear end.

In this example, the front end of the side stay 14 is pivotally connected to the inside of the front bar 100, the rear end is pivotally connected to the outside of the rear bar 110, and the rear end of the seat bar 12 and the rear end of the side stay 14 are pivotally connected to the inside and outside of the corresponding side rear bar 110 by the same pivot.

Meanwhile, a foot pedal 5 is also mounted on the frame lever 102.

Referring to fig. 2, when the frame 1 is in an open state, the locking member 42 locks the first loop bar 40 and the second loop bar 41 relatively, so that the push rod 13 and the front bracket 10 are locked relatively, the rear bracket 11 is supported by the diagonal of the side support bar 14, and positions of the front bracket 10 and the rear bracket 11 are relatively limited (a closed triangle is formed, and stable support can be formed as long as the first loop bar 40 and the second loop bar 41 are not unlocked), and the front end of the seat bar 12 penetrates through the bar sleeve 1011 and extends out of the front bar 100 correspondingly. By the arrangement, the structure is more stable.

When the locking member 42 is unlocked, the first sleeve rod 40 and the second sleeve rod 41 can rotate relatively, the push rod 13 is pulled backwards and downwards, the rear rod 110 is closed to the front rod 100 under the linkage of the temple bar 14, and the front end of the seat bar 12 is turned forwards and upwards as shown in fig. 3 and 4.

Referring to fig. 5 and 6, on the basis of the folding of the frame shown in fig. 3 and 4, until the push rod 13 is attached to the front bracket 10, the seat rod 12 and the side stay 14 are both located in the area formed by the push rod 13 and the front bracket 10, at this time, the frame is flat as a whole, and at the same time, the rear wheel of the rear wheel set 3 is located between the two front wheels of the front wheel set 2, and the axles of the front wheel and the rear wheel are located on the same straight line.

Referring to fig. 7 and 8, three stroller units are folded to be stacked vertically.

In summary, the present embodiment has the following advantages:

1. the rod pieces forming the frame are linked or locked, the frame has good stability when being unfolded, and the frame is flat when being folded, and wheel axles of the front wheel set and the rear wheel set are positioned on the same straight line, so the folded frame has small volume and is convenient to carry;

2. the plurality of folded trolleys can be stacked vertically, so that the plurality of trolleys can be stored and managed conveniently;

3. the arrangement of the side stay bars can realize the linkage of the front and rear supports when the frame is folded, thereby facilitating the folding operation; on the other hand, when the frame is unfolded, the triangular stable support formed by the side supporting rods further ensures the stability of the frame in the unfolded state.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A folding ultra-flat stroller comprises a frame, a front wheel set and a rear wheel set, wherein the frame is in an open state and a folded state, the frame comprises a front support, a rear support, a seat post and a push rod, the front wheel set is arranged at the lower end part of the front support, the rear wheel set is arranged at the lower end part of the rear support,

the method is characterized in that:

the upper end part of the front bracket is rotationally connected with the lower end part of the push rod, the upper end part of the rear bracket is rotationally connected with the lower end part of the push rod, the seat post is rotationally connected on the rear bracket from the rear end part, and the front end part is relatively connected on the front bracket in a sliding and rotating way,

the frame also comprises a side supporting rod which is positioned at the same side of the front bracket and the rear bracket, the front end part and the rear end part of the side supporting rod are respectively and rotatably connected with the front bracket and the rear bracket, wherein the front end part of the side supporting rod is positioned above the rear end part,

when the push rod rotates backwards and downwards to be folded, the rear support is close to the front support, the front end part of the seat rod is forwards and upwards overturned until the push rod is attached to the front support, wheel shafts of the front wheel set and the rear wheel set are positioned on the same straight line, and the stroller is flat.

2. The foldable, ultra-flat stroller of claim 1, wherein: the rear support upper end rotate connect in the relative inboard of push rod lower tip, and after folding, the wheel of back wheelset is located between two wheels of preceding wheelset.

3. The foldable, ultra-flat stroller according to claim 1 or 2, characterized in that: the side stay has two correspondences to set up in the left and right sides, and every the preceding tip of side stay rotates to be connected the inboard of fore-stock, rear end rotate to be connected the outside of after-poppet.

4. The foldable, ultra-flat stroller of claim 3, wherein: the rear end part of the seat post is rotatably arranged at the relative inner side of the rear bracket, and the front end part of the seat post is rotatably and slidably arranged at the relative inner side of the front bracket.

5. The foldable, ultra-flat stroller of claim 4, wherein: the rear end part of the seat rod and the rear end part of the side stay rod are rotatably connected to the inner side and the outer side of the rear support at the corresponding side through the same pivot.

6. The foldable, ultra-flat stroller of claim 4 or 5, wherein: the opposite inner side of the front support is provided with connecting seats, each connecting seat comprises a seat body fixed on the inner side of the front support and a rod sleeve rotatably arranged on the seat body around the central line of the seat body, and the front end part of the seat rod can penetrate out of the rod sleeve.

7. The foldable, ultra-flat stroller of claim 6, wherein: when the frame is in an open state, the front end part of the seat rod penetrates through the rod sleeve and extends out of the front part of the front bracket correspondingly.

8. The foldable, ultra-flat stroller of claim 1, wherein: the stroller frame further comprises a frame rod transversely arranged on the lower portion of the front frame and positioned above the front wheel set, and the stroller further comprises a pedal arranged on the frame rod.

9. The foldable, ultra-flat stroller of claim 1, wherein: the front wheel set comprises two front wheels positioned on two sides, and the rear wheel set comprises two rear wheels positioned on two sides and a connecting shaft positioned between the two rear wheels.

10. The foldable, ultra-flat stroller of claim 1, wherein: the lower end part of the push rod is rotatably connected with the upper end part of the front bracket through a locking mechanism, wherein the locking mechanism comprises a first loop bar fixed at the upper end part of the front bracket, a second loop bar fixed at the lower end part of the push rod and a locking piece which rotates and locks the upper end parts of the first loop bar and the second loop bar, the locking piece has a locking state and an unlocking state, and when the locking state is reached, the frame is completely unfolded; when the bicycle frame is in an unlocked state, the bicycle frame is folded.

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