CN215649870U

CN215649870U - Multilayer folding rack

Info

Publication number: CN215649870U
Application number: CN202121531346.6U
Authority: CN
Inventors: 吕庭
Original assignee: Changzhou Guangying Boyuan Home Furnishing Co ltd
Current assignee: Changzhou Guangying Boyuan Home Furnishing Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-28
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a multilayer folding rack which comprises a left side frame and a right side frame, wherein a top layer and a plurality of layers of folding layers are sequentially arranged between the left side frame and the right side frame from top to bottom; the front side of the multilayer folding layer is vertically provided with a linkage vertical rod, and the linkage vertical rod is respectively connected with the middle folding position shaft of the multilayer folding layer; the vertical limiting groove penetrating through the body of the vertical connecting rod is vertically formed in the vertical connecting rod, the U-shaped limiting block is arranged on the vertical connecting rod in a sliding mode, a plum blossom handle bolt in threaded connection with the U-shaped limiting block is arranged in the vertical limiting groove, connecting rods are arranged between the plum blossom handle bolt and front uprights of the left side frame and the right side frame, and the tops of the two groups of connecting rods are connected with the front upright shafts of the left side frame and the right side frame respectively. The utility model has simple and reliable structure and strong stability.

Description

Multilayer folding rack

Technical Field

The utility model relates to a folding frame, in particular to a multi-layer folding frame.

Background

At present, the chinese patent CN201520048757.8 provides a four-layer folding frame with a stable structure for instant folding, which comprises a frame body, and a folding net and a top net which are arranged on the frame body; the frame body is a frame formed by four main frames, and then a vertical supporting rod which is arranged between the two main frames and is parallel to the support is used for supporting the folding net; the top net is located on the top layer of the frame body, the folding net is located on the middle lower layer of the frame body and is three-layer, the folding net is folded by taking the central shaft as a symmetric center, and four layers of bearing nets used for placing objects are arranged on the whole frame body. The vertical supporting rod is supported between the three layers of folding nets, the top of the vertical supporting rod is movably connected with two side supporting rods through sliding blocks, and the bottoms of the two side supporting rods are respectively and fixedly connected with the main frame, so that the vertical supporting rod is assisted to further improve the supporting force of the folding nets; this kind of stable in structure's folding leg has and accomodates the ability reinforce to need not the equipment and can use, accomplish the shrink folding in the twinkling of an eye, occupation space is minimum advantage, however, above-mentioned structure folding leg exists with the defect: its sliding block is not fixed, and stable in structure's folding leg is not stable enough, and is very easy automatic folding under the condition of maloperation, makes the product of arranging on it drop or stable in structure's folding leg itself emptys, and this kind of stable in structure's folding leg has the potential safety hazard, perhaps expandes because of the maloperation under fold condition again.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multilayer folding frame, which replaces manual operation to solve the technical problem.

In order to solve the technical problems, the utility model adopts the technical scheme that:

a multilayer folding rack comprises a left side frame and a right side frame, wherein a top layer and a plurality of layers of folding layers are sequentially arranged between the left side frame and the right side frame from top to bottom;

the front side of the multilayer folding layer is vertically provided with a linkage vertical rod, and the linkage vertical rod is respectively connected with the middle folding position shaft of the multilayer folding layer;

vertical spacing groove of running through its body is seted up to the vertical on the linkage montant, still slides on the linkage montant and is equipped with the U type stopper of cladding at its dorsal part and left and right sides, vertical spacing inslot be equipped with U type stopper threaded connection's plum blossom handle bolt, all be equipped with the connecting rod between the front column of plum blossom handle bolt and left side frame, right side frame, it is two sets of the top of connecting rod and the pole portion bolt of plum blossom handle bolt, the top of two sets of connecting rods is connected with the front column hub connection of left side frame, right side frame respectively.

Furthermore, a plurality of reinforcing pull rods are arranged between the front upright column and the rear upright column of the left side frame and the right side frame.

Furthermore, the positioning end of the top layer is connected with the top end shaft of the left side frame through a positioning block.

Furthermore, the swing end of the top layer is provided with a rotary lock catch, and the right side frame is provided with a lock column matched and buckled with the rotary lock catch.

Furthermore, universal brake wheels are mounted at the bottoms of the left side frame and the right side frame.

Furthermore, the top layer and the multilayer folding layer both adopt porous plates.

Further, the folding layer has three layers.

The utility model has the beneficial effects that:

the utility model provides a multilayer folding frame which is simple and novel in structure, convenient to operate, smooth and stable in operation, has a locking function and can be prevented from being automatically folded or unfolded under the condition of misoperation.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of the present invention in an unfolded state.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a front view of the unfolded state of the present invention.

FIG. 5 is a partial view of the connection of the plum blossom handle bolt and the U-shaped limiting block of the utility model.

In the figure: 1. the brake device comprises a left side frame, a right side frame, a top layer, a folding layer, a linkage vertical rod, a vertical limiting groove, a U-shaped limiting block, a T-shaped handle bolt, a connecting rod, a reinforcing pull rod, a rotating lock catch, a lock column, a universal brake wheel and a reinforcing pull rod, wherein the left side frame is 2, the right side frame is 3, the top layer is 4, the folding layer is 5, the linkage vertical rod is 6, the vertical limiting groove is 7, the U-shaped limiting block is 8, the T-shaped handle bolt is 9, the connecting rod is 10, the reinforcing pull rod is 11, the rotating lock catch is 12, the rotating lock catch is 13, the lock column is 14.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-5, the present invention provides a multilayer folding rack, which comprises a left side frame 1 and a right side frame 2, wherein a top layer 3 and three folding layers 4 are sequentially arranged between the left side frame 1 and the right side frame 2 from top to bottom, the left and right ends of the three folding layers 4 are respectively connected to the left side frame 1 and the right side frame 2 from top to bottom in sequence, a positioning end shaft of the top layer 3 is connected to the top end of the left side frame 1, and a swinging end of the top layer 3 swings around the positioning end thereof to be folded at one side of the left side frame 1 or horizontally placed at the top end of the right side frame 2;

the front side of the three-layer folding layer 4 is vertically provided with a linkage vertical rod 5, and the linkage vertical rod 5 is respectively connected with the middle folding position shaft of the three-layer folding layer 4;

vertical spacing groove 6 that runs through its body is offered to the vertical on the linkage montant 5, it is equipped with the cladding at the U type stopper 7 of its dorsal part and left and right sides still to slide on the linkage montant 5, be equipped with the plum blossom handle bolt 8 with 7 threaded connection of U type stopper in the vertical spacing groove 6, plum blossom handle bolt 8 and left side frame 1, all be equipped with connecting rod 9 between the front column of right side frame 2, the top of two sets of connecting rods 9 and the pole portion bolt of plum blossom handle bolt 8, the top of two sets of connecting rods 9 respectively with left side frame 1, the front column hub connection of right side frame 2.

In this embodiment, a plurality of reinforcing pull rods 10 are arranged between the front and rear pillars of the left side frame 1 and the right side frame 2, so that the overall structural strength is improved.

In this embodiment, the positioning end of the top layer 3 is connected with the top shaft of the left side frame 1 through the positioning block 11.

In this embodiment, the swing end of the top layer 3 is provided with a rotary latch 12, the right side frame 2 is provided with a lock post 13 engaged with the rotary latch 12, and after the swing end of the top layer 3 swings around the positioning end thereof to lie on the top end of the right side frame 2, the position of the top layer 3 can be locked by engaging the rotary latch 12 with the lock post 13.

In the embodiment, universal brake wheels 14 are mounted at the bottoms of the left side frame 1 and the right side frame 2, so that the folding of the utility model is facilitated.

In this embodiment, a perforated plate is used for the top layer 3 and the three folded layers 4.

The folding method of the utility model comprises the following steps:

the unfolding diagram shown in fig. 1 needs to be folded, firstly, the buckling of the rotary lock 12 and the lock column 13 is released, then the swing end of the top layer 3 swings around the positioning end of the top layer to be folded on one side of the left side frame 1, then the plum blossom handle bolt 8 is reversely twisted, the locking of the plum blossom handle bolt 8 on the top of the connecting rod 9 and the linkage vertical rod 5 is released, then the linkage vertical rod 5 moves upwards, the vertical limiting groove 6 moves upwards along with the linkage vertical rod 5, the position heights of the plum blossom handle bolt 8, the connecting rod 9 and the U-shaped limiting block 7 are kept unchanged, after the lowest end of the vertical limiting groove 6 moves to the position of the plum blossom handle bolt 8, the plum blossom handle bolt 8 is positively twisted, the top of the connecting rod 9 and the linkage vertical rod 5 are locked by the plum blossom handle bolt 8, and the left side frame 1 and the right side frame 2 are closed at the moment, and the folding is completed.

The locking principle of the utility model is as follows:

plum blossom handle bolt 8 and the cooperation of U type stopper 7 and realize the locking function, after plum blossom handle bolt 8 locks connecting rod 9, two sets of connecting rods 9 have restricted left side frame 1, right side frame 2's position respectively, consequently, under the circumstances that connecting rod 9 was locked, left side frame 1 and right side frame 2 no matter be in the state of drawing close or the state of separating, can both keep the position locking, strengthened its structural stability, can prevent automatic folding or expansion under the circumstances because of the maloperation.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A multilayer folding rack comprises a left side frame (1) and a right side frame (2), wherein a top layer (3) and a plurality of folding layers (4) are sequentially arranged between the left side frame (1) and the right side frame (2) from top to bottom, the left end and the right end of each folding layer (4) are sequentially connected with the left side frame (1) and the right side frame (2) in a shaft mode from top to bottom respectively, a positioning end shaft of the top layer (3) is connected to the top end of the left side frame (1), and a swinging end of the top layer (3) swings around the positioning end to be folded on one side of the left side frame (1) or flatly placed on the top end of the right side frame (2);

the front side of multilayer folded layer (4) is vertical to be equipped with linkage montant (5), linkage montant (5) are connected with the middle folding department hub connection of multilayer folded layer (4) respectively, characterized in that:

vertical spacing groove (6) that run through its body are seted up to vertical on linkage montant (5), still slide on linkage montant (5) and be equipped with cladding U type stopper (7) at its dorsal part and left and right sides, be equipped with in vertical spacing groove (6) with U type stopper (7) threaded connection's plum blossom handle bolt (8), all be equipped with connecting rod (9), two sets of between the front column of plum blossom handle bolt (8) and left side frame (1), right side frame (2) the top of connecting rod (9) and the pole portion bolt joint of plum blossom handle bolt (8), the top of two sets of connecting rod (9) is connected with the front column hub connection of left side frame (1), right side frame (2) respectively.

2. The multilayer folding rack according to claim 1 is characterized in that a plurality of reinforcing pull rods (10) are arranged between the front and rear upright posts of the left side rack (1) and the right side rack (2).

3. The multi-layer folding leg according to claim 1, wherein the positioning end of the top layer (3) is connected with the top end shaft of the left side frame (1) through a positioning block (11).

4. The multi-layer folding leg according to claim 1, wherein the swing end of the top layer (3) is provided with a rotary lock catch (12), and the right side frame (2) is provided with a lock post (13) which is matched and buckled with the rotary lock catch (12).

5. The multilayer folding rack according to claim 1 is characterized in that universal brake wheels (14) are mounted at the bottoms of the left side rack (1) and the right side rack (2).

6. A multi-layered folding leg according to claim 1, wherein the top layer (3) and the multi-layered folding leg (4) are perforated plates.

7. A multi-layered folding leg according to claim 1 or 6, wherein said folding layer (4) has three layers.