CN219306391U - Corner support assembly of foldable crib - Google Patents

Abstract

The utility model relates to an angle support assembly of a foldable baby crib, which comprises a base body and a bottom bracket rod, wherein the bottom bracket rod is rotatably connected to the base body and can turn over between two vertical and horizontal limit positions relative to the base body, the angle support assembly also comprises a rotary linkage piece, the rotary linkage piece is hinged with the base body, a first connecting part and a second connecting part are respectively arranged at two sides of a hinge point of the rotary linkage piece and the base body, the first connecting part is used for fixing a stay wire, the second connecting part is a strip-shaped groove, and one end of the bottom bracket rod is hinged in the strip-shaped groove. The utility model has simple and reliable linkage structure, the track of the first connecting part connected with the rotary linkage piece and the stay wire is basically in the vertical direction, the stay wire cannot be stretched excessively in the horizontal direction, the problems of friction, interference and the like of the stay wire and other structures are avoided, the second connecting part connected with the rotary linkage piece and the underframe rod does not have dead points like a conventional connecting rod hinge point, and the underframe rod can be folded to a vertical limit position.

Description

Corner support assembly of foldable crib

Technical Field

The utility model relates to the technical field of crib manufacturing, in particular to a corner support assembly of a foldable crib.

Background

Crib is a common equipment in the infant care field. One conventional playpen framework structure is shown in fig. 1, in which a playpen framework portion includes a base frame 200 and a side rail 100, the base frame 200 serving as a bottom support, and the side rail 100 includes a vertical bar 102 vertically connected to the base frame 200 and a foldable cross bar 101 connected between the vertical bar 102 and the vertical bar 102 to form a closed rail structure. The foldable crib is widely adopted because of the characteristics of easy folding, easy transportation and small occupied space, the foldable crib is provided with a folding structure for the underframe 200 and the side fence 100 to be unfolded and folded conveniently, the underframe 200 is widely adopted to be provided with a lifting turnover structure 201 with a handle, when the handle is lifted, the underframe rod 202 of the underframe 200 is turned up and folded relatively, and simultaneously, all the vertical rods 102 of the side fence 100 are pulled to be close to each other; the side rail 100 is widely used with a folding joint 103 on the foldable rail 101, and the folding joint 103 enables the foldable rail 101 to be folded in half, which is a common technology in the art.

The unfolding process of the foldable crib is as follows: when the crib is in a folded state, the folding structure 201 is manually pushed down to unfold the bottom frame rod 202, the vertical rods 102 and the foldable cross rod 101, but at this time, the foldable cross rod 101 is still in a loose unlocking state, so that the foldable cross rod 101 must be straightened by manually pulling the folding joint 103 upwards, so that the foldable cross rod 101 and the folding joint 103 enter a locking state, the unfolding process of the crib can be finally completed, the one-step realization cannot be realized, and the operation is slightly complicated.

In view of this, providing a force transfer linkage between the foldable crossbar 101 and the chassis 200 is one contemplated solution, wherein one way is to use a conventional linkage, but the conventional linkage has a dead center of motion, which can prevent the bottom frame bar 202 from being folded to a completely vertical position, and thus prevent the crib from being folded to a minimum.

Disclosure of Invention

Accordingly, in view of the above-mentioned problems, the present utility model provides a corner support assembly for a foldable crib with optimized structure.

The utility model is realized by adopting the following technical scheme:

the utility model provides an angle support assembly of a foldable baby crib, which comprises a base body, a bottom bracket rod, a rotary linkage piece and a first connecting part and a second connecting part, wherein the bottom bracket rod is rotatably connected to the base body and can turn over between two vertical and horizontal limit positions relative to the base body, the rotary linkage piece is hinged with the base body, the first connecting part and the second connecting part are respectively arranged at two sides of a hinge point of the rotary linkage piece and the base body, the first connecting part is used for fixing a stay wire, the second connecting part is a strip-shaped groove, and one end of the bottom bracket rod is hinged in the strip-shaped groove.

Wherein, in one embodiment, the rotary linkage is configured such that the bar-shaped groove extends horizontally when the chassis bar is located at a vertical limit position, the bar-shaped groove providing a horizontal displacement space of one end of the chassis bar.

Wherein, in one embodiment, the rotary linkage is configured such that the undercarriage rod abuts against an end of the bar-shaped groove remote from the hinge point when the undercarriage rod is in a vertical extreme position.

In one embodiment, the rotary linkage member is a bending extension structure with an obtuse angle, and the hinge points of the rotary linkage member and the base are arranged at the bending positions of the rotary linkage member.

Wherein, in one embodiment, the motion track of the first connecting portion is basically in a vertical direction.

Wherein, in one embodiment, the rotary linkage is a sheet-like structure.

In one embodiment, one end of the underframe rod is provided with a U-shaped notch, a pin shaft is fixedly inserted into the U-shaped notch, the rotary linkage piece is inserted into the U-shaped notch, and the pin shaft penetrates through the strip-shaped groove.

Wherein, in an embodiment, the pedestal is also provided with casters.

In one embodiment, the base comprises a support and a shell coated on the support, the support is of a double-layer structure and is provided with an inserting space, the rotary linkage piece is arranged in the inserting space, and one end of the underframe rod is inserted into the inserting space.

Wherein, in one embodiment, the pull wire is connected with the foldable cross bar of the crib in a linkage way.

The utility model has the following beneficial effects: the utility model realizes the following steps through the special rotary linkage piece:

1. the linkage structure is simple and reliable;

2. the track of the first connecting part connected with the rotary linkage piece and the stay wire is basically in the vertical direction, so that the stay wire cannot be stretched excessively in the horizontal direction, and the problems of friction, interference and the like of the stay wire and other structures are avoided;

3. the second connecting part of the rotary linkage piece and the underframe rod does not have dead points like a conventional connecting rod hinge point, so that the underframe rod can be folded to a vertical limit position, the crib can be folded to a smaller volume, and the occupied space is small.

Drawings

FIG. 1 is a schematic view of a prior art collapsible crib;

FIG. 2 is a schematic view of a corner support assembly of a collapsible crib in an embodiment;

FIG. 3 is an exploded view of the corner support assembly of the collapsible crib of an embodiment;

FIG. 4 is a schematic illustration of the linkage of the bottom bracket bar and the rotary linkage in an embodiment wherein the bottom bracket bar is in a vertical extreme position;

FIG. 5 is a schematic illustration of the linkage of the undercarriage lever and the rotary linkage in an embodiment wherein the undercarriage lever is in an inclined position between vertical and horizontal;

fig. 6 is a schematic view of the linkage of the bottom bracket bar and the rotary linkage in an embodiment wherein the bottom bracket bar is in a horizontal extreme position.

Detailed Description

For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 2-6, as a preferred embodiment of the present utility model, there is provided a corner support assembly for a foldable crib, comprising a base 2 and a bottom bracket bar 1, wherein the base 2 of the present embodiment comprises a bracket 21 and a housing 22 fixed to the bracket 21 in a wrapping manner, the bracket 21 has a double-layered structure, a plugging space 211 is provided, one end of the bottom bracket bar 1 is inserted into the plugging space 211 and hinged to the bracket 21, and the bottom bracket bar 1 can be turned between two extreme vertical and horizontal positions (the rotation center is point a) with respect to the base 2. For the rotation limit of the bottom hack lever 1, an arc groove can be arranged on the bracket 21, and a bolt inserted into the arc groove is arranged on the bottom hack lever 1, so that the rotation range of the bottom hack lever 1 is limited by the sliding range of the bolt in the arc groove. The rotary linkage member 3 is disposed in the plugging space 211, the rotary linkage member 3 in this embodiment is in a sheet structure, and is bent and extended at an obtuse angle, the rotary linkage member 3 is hinged to the bracket 21 (the hinge point is a point B), and a first connecting portion 32 and a second connecting portion 31 are respectively disposed at two sides of the hinge point of the rotary linkage member 3 and the bracket 21, where the first connecting portion 32 is used for fixing the stay wire 4, and in this embodiment, the first connecting portion 32 is a through hole and is fixed by a bolt and the stay wire. The stay wire 4 is in linkage connection with a foldable cross rod of the crib, and is used for pulling the foldable cross rod of the crib to be unfolded, and the specific implementation can be that the stay wire 4 is fixedly connected to a folding rod of the foldable cross rod, and when the stay wire 4 is pulled, the folding rod is pulled to turn over to a horizontal position.

The second connecting portion 31 is a bar-shaped groove, one end of the bottom frame rod 1 is hinged in the second connecting portion 31, specifically, one end of the bottom frame rod 1 is provided with a U-shaped notch 11, a pin shaft 12 is fixedly inserted into the U-shaped notch 11, the rotary linkage piece 3 is inserted into the U-shaped notch 11, and the pin shaft 12 passes through the second connecting portion 31.

The utility model is so arranged that the bottom bracket rod 1 and the rotary linkage member 3 are in linkage connection through the movable hinge formed by the pin shaft 12 and the second connecting part 31, and the two parts have relative movement and relative rotation, as shown in fig. 4-6, the rotary linkage member 3 is configured as follows: when the bottom hack lever 1 is located vertical extreme position, the bar-shaped groove of the first connecting portion 32 extends horizontally, the pin shaft 12 is abutted against one end of the bar-shaped groove of the first connecting portion 32 far away from the hinge point B, and the bar-shaped groove of the first connecting portion 32 provides a horizontal displacement space of one end of the bottom hack lever 1. Then, in this way, when the bottom bracket bar 1 is turned over from vertical to horizontal, the rotary linkage 3 will not have dead points, in other words the bottom bracket bar 1 can be folded to a vertical extreme position, so that the crib can be folded to a smaller volume, taking up little space. In other embodiments, the pin 12 does not need to be abutted against the end of the bar-shaped groove of the first connecting portion 32 away from the hinge point B, for example, the pin 12 is located at the middle position of the bar-shaped groove of the first connecting portion 32, but the pin 12 abutted against the end of the bar-shaped groove of the first connecting portion 32 away from the hinge point B in this embodiment may also have a limiting effect on the chassis rod 1.

Meanwhile, in this embodiment, the rotary linkage member 3 is a bending extension structure with an obtuse angle, and the hinge point B is disposed at the bending position of the rotary linkage member 3, as shown in fig. 4, so that the movement track F of the first connecting portion 32 is basically in the vertical direction (the movement track F is in the vertical direction as a whole), and the stay wire is not stretched excessively in the horizontal direction, thereby avoiding the problems of friction, interference and the like of the stay wire and other structures.

In this embodiment, the base 2 is further provided with casters 23 with brakes, so as to facilitate the movement of the crib.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. The angle support subassembly of collapsible crib, its characterized in that: the novel lifting device comprises a base body and a bottom frame rod, wherein the bottom frame rod is rotatably connected to the base body and can turn over between two vertical and horizontal limit positions relative to the base body, the novel lifting device further comprises a rotary linkage piece, the rotary linkage piece is hinged to the base body, a first connecting portion and a second connecting portion are respectively arranged at two sides of a hinge point of the rotary linkage piece and the base body, the first connecting portion is used for fixing a stay wire, the second connecting portion is a strip-shaped groove, and one end of the bottom frame rod is hinged to the strip-shaped groove.

2. The foldable crib corner support assembly of claim 1, wherein: the rotary linkage is configured such that the bar-shaped groove extends horizontally when the undercarriage rod is in a vertical limit position, the bar-shaped groove providing a horizontal displacement space for one end of the undercarriage rod.

3. The foldable crib corner support assembly of claim 2, wherein: the rotary linkage is configured such that the chassis bar abuts an end of the bar slot remote from the hinge point when the chassis bar is in a vertical limit position.

4. The foldable crib corner support assembly of claim 2, wherein: the rotary linkage piece is of a bending extension structure with an obtuse angle, and the hinge points of the rotary linkage piece and the seat body are arranged at the bending positions of the rotary linkage piece.

5. The foldable crib corner support assembly of claim 4, wherein: the movement track of the first connecting part is basically in the vertical direction.

6. The foldable crib corner support assembly of claim 4, wherein: the rotary linkage piece is of a sheet-shaped structure.

7. The foldable crib corner support assembly of claim 1 or 6, wherein: the novel rotary connecting device is characterized in that a U-shaped notch is formed in one end of the underframe rod, a pin shaft is fixedly inserted into the U-shaped notch, and the rotary connecting piece is inserted into the U-shaped notch and penetrates through the strip-shaped groove.

8. The foldable crib corner support assembly of claim 1, wherein: the base is also provided with casters.

9. The foldable crib corner support assembly of claim 1, wherein: the seat body comprises a support and a shell body coated on the support, the support is of a double-layer structure and is provided with an inserting space, the rotary linkage piece is arranged in the inserting space, and one end of the underframe rod is inserted into the inserting space.

10. The foldable crib corner support assembly of claim 1, wherein: the pull wire is connected with the foldable cross rod of the crib in a linkage way.

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