CN213676861U

CN213676861U - Folding structure of seat board and back board of folding trolley

Info

Publication number: CN213676861U
Application number: CN202021857133.8U
Authority: CN
Inventors: 王忠胜; 黄泽辉
Original assignee: Guangdong Dayang Medical Technology Co ltd
Current assignee: Guangdong Dayang Medical Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-07-13
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to a handcart beta structure technical field especially relates to a beta structure of foldable handcart bedplate and backplate, including two sets of shallow supports, wherein a set of shallow support outside cover is equipped with sliding sleeve, and sliding sleeve's one side all rotates with one side that another group shallow support is close to each other and is connected with the rotation connecting piece, and two sets of one sides that rotate the connecting piece and be close to each other all rotate and are connected with the bedplate that deflects, and the bottom of the bedplate that deflects is close to each other one side through first pivot rotation connection, and the bottom of the bedplate that deflects has bolt device at the equal fixed mounting of both ends department of first pivot. The utility model can fold the backup plate and the backboard in an opening and closing way in the using process of the device, thereby conveniently realizing the folding of the backup plate and the backboard; the whole backup plate and the assembly formed by the back plate under the action of the bolt device can realize deflection type folding, so that another folding mode is realized, and a choice is provided for the practical use of a user.

Description

Folding structure of seat board and back board of folding trolley

Technical Field

The utility model relates to a handcart beta structure technical field especially relates to a beta structure of foldable handcart bedplate and backplate.

Background

With the continuous progress of the manufacturing industry at present, appliances used by people in the life process become more convenient. Many people often choose to use a cart to help relieve stress while shopping or while going out to attend to a child. But the handcart is comparatively convenient when using, but occupies certain space when not using easily, causes space utilization's reduction, and its bedplate and backplate of the in-process that a lot of dollies are using are difficult for folding the processing to make its folding process thoroughly inadequately, folding effect is not obvious, can not reduce the effect that the space occupy well, for this we propose the beta structure of a foldable handcart bedplate and backplate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a folding structure of a folding type handcart seat plate and a back plate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a beta structure of foldable handcart bedplate and backplate, including two sets of shallow supports, wherein a set of shallow support outside cover is equipped with sliding sleeve, sliding sleeve's one side all rotates with one side that another set of shallow support is close to each other and is connected with the rotation connecting piece, two sets of one sides that rotate the connecting piece and be close to each other all rotate and be connected with the bedplate that deflects, the one side that the bottom of bedplate is close to each other rotates through first pivot and connects, the bottom of bedplate that deflects has bolt device at the equal fixed mounting in both ends department of first pivot, the equal fixed mounting in top one side of the bedplate that deflects has the ears spare, and the one side that the ears spare is close to each other all rotates and is connected with the backup plate, the front one side that is close to each other of backup plate is.

Preferably, the bolt device comprises a fixed sleeve and an insertion cylinder which are respectively arranged at two sides, an insertion rod is sleeved in the insertion cylinder, and one end of the insertion rod is inserted in the insertion cylinder.

Preferably, the anti-dropping plates are fixedly mounted on two sides of the fixed sleeve outside the inserted rod, and the distance between the anti-dropping plates is greater than the length of the fixed sleeve.

Preferably, the first rotating shaft and the second rotating shaft are on the same vertical plane.

Preferably, the second rotating shaft and a vertical plane where the first rotating shaft and the second rotating shaft are located are in an orthogonal relationship.

Preferably, one side of the sliding sleeve is provided with a threaded through hole, and a locking screw is in threaded connection with the threaded through hole.

Preferably, the backup plate is connected with the connecting ear piece on the top end of the deflection seat plate through a rotary damper.

The utility model has the advantages that:

1. through the arrangement of the deflection seat plate, the first rotating shaft, the backup plate and the second rotating shaft, the device can fold the backup plate and the back plate in an opening and closing manner in the using process, so that the backup plate and the back plate can be conveniently folded;

2. through the arrangement of the sliding sleeve and the locking screw, the whole backup plate and the assembly formed by the back plate under the action of the bolt device can realize deflection type folding, so that another folding mode is realized, and a choice is provided for the practical use of a user.

Drawings

Fig. 1 is a schematic front structural view of a folding structure of a seat plate and a back plate of a folding type handcart of the present invention;

fig. 2 is a schematic back structural view of a folding structure of a seat plate and a back plate of the foldable stroller of the present invention;

fig. 3 is a schematic side view of a backup plate and a back plate of a folding structure of a seat plate and a back plate of a folding type handcart of the present invention;

fig. 4 is an enlarged schematic structural view of the plug device of the folding structure of the seat plate and the back plate of the foldable trolley of the present invention.

In the figure: the device comprises a cart support 1, a rotary connecting piece 2, a deflection seat plate 3, a bolt device 4, a first rotating shaft 5, a locking screw 6, a sliding sleeve 7, a second rotating shaft 8, a backup plate 9, a fixed sleeve 10, an inserted link 11, an anti-falling plate 12 and an inserted cylinder 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a folding structure of a seat board and a back board of a folding type handcart comprises two groups of handcart supports 1, wherein, the outer side of one group of the cart support 1 is sheathed with a sliding sleeve 7, one side of the sliding sleeve 7 and one side of the other group of the cart support 1 which is close to each other are all rotationally connected with a rotating connecting piece 2, one side of the two groups of the rotating connecting pieces 2 which is close to each other is all rotationally connected with a deflection seat plate 3, one side of the bottom end of the deflection seat plate 3 which is close to each other is rotationally connected through a first rotating shaft 5, the bottom end of the deflection seat plate 3 is fixedly provided with a bolt device 4 at the two ends of the first rotating shaft 5, one side of the top end of the deflection seat, and one side of the connecting ear piece which is close to each other is rotatably connected with a backup plate 9, one side of the front surface of the backup plate 9 which is close to each other is provided with a second rotating shaft 8, and the back surface of the backup plate 9 is also fixedly provided with two groups of bolt devices 4.

Further, bolt device 4 is including dividing the fixed sleeving 10 of locating both sides and inserting a section of thick bamboo 13, inserts a section of thick bamboo 13 endotheca and is equipped with inserted bar 11, and the one end of inserted bar 11 is inserted and is established in inserting a section of thick bamboo 13, and the outside of inserted bar 11 has anti-drop board 12 at the equal fixed mounting in fixed sleeving 10's both sides, and the distance between anti-drop board 12 is greater than the length of fixed sleeving 10, avoids the condition that inserted bar 11 takes place to drop, and then influences the stability that deflects bedplate 3 and backup plate 9.

Further, the first rotating shaft 5 and the second rotating shaft 8 are on the same vertical plane, and the second rotating shaft 8 and the vertical plane where the first rotating shaft 5 and the second rotating shaft 8 are located are in an orthogonal relationship, so that the deflection seat plate 3 and the backup plate 9 can be conveniently folded and compressed.

Furthermore, one side of the sliding sleeve 7 is provided with a threaded through hole, and the threaded through hole is connected with a locking screw 6 in a threaded manner, so that the angle of the deflection seat plate 3 when the deflection seat plate is unfolded can be conveniently fixed.

Furthermore, the backup plate 9 is connected with the connecting ear piece on the top end of the deflection seat plate 3 through the rotary damper, so that the deflection angle of the backup plate 9 can be conveniently controlled, and children can conveniently rely on the rotation.

The working process is as follows: in the using process, firstly, in the process of unfolding the stroller bracket 1, the two groups of deflection seat plates 3 and the reversed backup plate 9 can be unfolded under the action of the first rotating shaft 5 and the second rotating shaft 8, after the unfolding is finished, the insertion rod 11 in the plug pin device 4 is inserted into the insertion barrel 13, so that the two groups of deflection seat plates 3 and the backup plate 9 can be combined into a whole, then the backup plate 9 is upwards overturned, the locking screw 6 is screwed in at the moment, the position of the sliding sleeve 7 is locked, the positions of the whole deflection seat plates 3 and the backup plate 9 are locked, and the stroller bracket is convenient for a child to sit on;

in the folding process, firstly, the backup plate 9 is turned downwards until the backup plate 9 and the deflection seat plate 3 are parallel to each other, at the moment, the inserting rod 11 is drawn outwards to separate the inserting rod 11 from the inserting cylinder 13, and then the two groups of cart supports 1 are extruded, so that the backup plate 9 and the deflection seat plate 3 are folded under the action of the first rotating shaft 5 and the second rotating shaft 8;

in the process of folding, can also loosen locking screw 6 after the backup plate 9 overturns, slide sleeve pipe 7 downwards for the whole that the bedplate 3 that deflects and backup plate 9 constitute carries out inclination's deflection, thereby realizes another kind of folding mode, and convenience of customers selects according to self condition.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A folding structure of a seat board and a back board of a folding trolley comprises two groups of trolley supports (1) and is characterized in that a sliding sleeve (7) is sleeved on the outer side of one group of trolley supports (1), one side of the sliding sleeve (7) and one side, close to each other, of the other group of trolley supports (1) are rotatably connected with rotating connecting pieces (2), one side, close to each other, of each group of rotating connecting pieces (2) is rotatably connected with a deflection seat board (3), one side, close to each other, of the bottom end of each deflection seat board (3) is rotatably connected through a first rotating shaft (5), the bottom end of each deflection seat board (3) is fixedly provided with a bolt device (4) at two ends of the first rotating shaft (5), one side, close to each other, of the top end of each deflection seat board (3) is fixedly provided with a connecting lug, one side, close to each connecting lug is rotatably connected with a back board (9), one side, two groups of bolt devices (4) are fixedly arranged on the back surface of the backup plate (9).

2. The foldable structure of the seat board and the back board of a foldable handcart according to claim 1, wherein said latch means (4) comprises a fixed sleeve (10) and an insertion tube (13) respectively arranged at two sides, an insertion rod (11) is sleeved in the insertion tube (13), and one end of the insertion rod (11) is inserted in the insertion tube (13).

3. A folding structure of a seat board and a back board of a folding type handcart as claimed in claim 2, wherein the outside of said inserted bar (11) is fixedly installed with anti-falling plates (12) at both sides of the fixed sleeve (10), and the distance between the anti-falling plates (12) is larger than the length of the fixed sleeve (10).

4. A folding structure of a seat and back board of a foldable stroller according to claim 1, wherein said first pivot (5) and said second pivot (8) are on the same vertical plane.

5. A foldable structure of a seat and back panel for a foldable trolley according to claim 4, wherein said second axis of rotation (8) is orthogonal to the vertical plane of the first axis of rotation (5) and the second axis of rotation (8).

6. A folding structure of a seat and back of a foldable trolley according to claim 1, characterized in that said sliding sleeve (7) is provided with a threaded through hole at one side and a locking screw (6) is screwed at the threaded through hole.

7. A folding structure of a seat and back panel for a folding trolley according to claim 1, characterised in that the backrest panel (9) is connected to the connecting ears at the top of the tilting seat panel (3) by means of a rotational damper.