CN212185712U

CN212185712U - Multilayer folding rack

Info

Publication number: CN212185712U
Application number: CN202020272361.2U
Authority: CN
Inventors: 刘能文
Original assignee: Guangdong Wireking Housewares & Hardware Co ltd
Current assignee: Guangdong Wireking Housewares & Hardware Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-12-22
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a multilayer folding rack, which comprises a plurality of layers of supporting plates, a left side frame and a right side frame which are arranged at two sides of the supporting plates, wherein the supporting plates comprise a top layer, a first folding layer, a second folding layer, a third folding layer and a cross rod; the top is equipped with left connecting rod, right connecting rod respectively about the cross plate, and the bottom hub connection is in the bottom of left side frame, right side frame respectively about the cross rod, and the cross of cross rod is equipped with the linkage montant, simple structure, and support intensity is high, and can make the synchronous folding or opening of multilayer folded layer under the linkage effect, convenient operation, the operation is smoothly steady, has the hasp function again, and the additional strengthening steadiness ensures the service quality of product.

Description

Multilayer folding rack

Technical Field

The utility model relates to a technical field of folding leg, a multilayer formula folding leg specifically says so.

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; the folding rack with stable structure has the advantages of strong storage capacity, no need of assembly, instant completion of contraction and folding, and extremely small occupied space.

However, the folding leg with the above structure has the following disadvantages:

1) the vertical supporting rods are supported between the three layers of folding nets and only have supporting effect, so that when the folding frame is folded or unfolded, only one sliding block can be used for driving the two side supporting rods to fold or unfold towards the symmetrical center, synchronous folding or unfolding of the multi-layer folding frame is difficult to realize, operation is complex, and structural stability is poor.

2) The slider 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 in 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.

3) The top net is generally supported on a frame, and the middle supporting capacity of the top net is low and easy to deform, so that the using effect of the product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a multilayer formula folding leg, its simple structure supports intensity height, and can make the multilayer folding layer fold in step or open under the linkage effect, convenient operation, the operation is smoothly steady, has the hasp function again, and the additional strengthening steadiness ensures the service quality of product.

The invention aims to realize the following steps: a multilayer folding rack comprises a plurality of layers of supporting plates, and a left side frame and a right side frame which are arranged on two sides of the supporting plates, wherein the plurality of layers of supporting plates comprise a top layer, a first folding layer, a second folding layer, a third folding layer and a cross rod;

the left top end and the right top end of the cross rod are respectively provided with a left connecting rod and a right connecting rod which are connected with the upper parts of the left side frame and the right side frame through shafts, the left bottom end and the right bottom end of the cross rod are respectively connected with the bottom of the left side frame and the bottom of the right side frame through shafts, a linkage vertical rod which is used for driving the left side frame and the right side frame to fold inwards or expand outwards while linking the first folding layer, the second folding layer and the third folding layer to fold inwards or expand outwards is arranged at the cross position of the cross rod, and the linkage vertical rod is respectively connected with the folding positions of the first folding layer, the second folding layer and the third folding layer through;

the positioning end shaft of the top layer is connected to the top end of the left side frame, and the swinging end of the top layer swings around the positioning end shaft of the top layer so as to be folded on one side of the left side frame or flatly placed on the top end of the right side frame.

According to the optimization, the positioning end of the top layer is provided with the positioning block, and the left side frame is provided with the connecting shaft connected with the positioning block shaft.

According to the optimization, the outer side of the swinging end of the top layer is provided with the rotary lock catch, the top end of the right side frame is provided with a supporting rod convenient for the top layer to be horizontally placed, and the outer side of the supporting rod is provided with a lock column matched and buckled with the placing lock catch.

According to the optimization, the top layer is the top layer screen plate, the front side and the rear side of the top layer screen plate are respectively provided with the groove positions, and the groove positions are respectively provided with the reinforcing wave frames.

Optimize according to the aforesaid, the top of linkage montant is equipped with left buckle, right buckle, the top is equipped with left card post, right card post respectively about the crossbar, and left buckle matches the spiral-lock with left card post, right card post respectively with right buckle and adorns.

Optimized according to the above, the first folding layer comprises a first left folding screen and a first right folding screen, the second folding layer comprises a second left folding screen and a second right folding screen, the third folding layer comprises a third left folding screen and a third right folding screen,

the first left folding screen plate, the second left folding screen plate and the third left folding screen plate are respectively provided with a front folding connecting piece and a rear folding U-shaped piece which are convenient to fold inwards or unfold outwards with the first right folding screen plate, the second right folding screen plate and the third right folding screen plate,

fixed connection is at folding otter board in first left side, folding otter board in the left side of second, folding otter board in the left side of third around the left end of preceding folding connection piece and back folding U type piece respectively, and fixed connection is at folding otter board in first right side, folding otter board in the right side of second, folding otter board in the right side of third around the right-hand member of preceding folding connection piece and back folding U type piece respectively, just the folding joint department of preceding folding connection piece from top to bottom is hub connection in proper order at the linkage montant.

According to the optimization, the bottom parts of the left side frame and the right side frame are respectively provided with the pulleys convenient to move.

The utility model has the advantages that:

1) the linkage vertical rod is matched with the cross rod, the left connecting rod and the right connecting rod in a structure, so that the supporting strength is greatly improved, the linkage vertical rod moves upwards or downwards and the linkage cross rod, the left connecting rod and the right connecting rod are folded inwards or unfolded outwards, the first folding layer, the second folding layer and the third folding layer are synchronously folded inwards or unfolded outwards, the operation is convenient, and the operation is smooth and stable.

2) The rotatory hasp of cooperation and lock post, left buckle and left card post, right buckle and the structure of right card post make multilayer formula folding frame have the hasp function when expanding the user state, and the service quality of product is ensured to additional strengthening steadiness and reliability.

3) Under the effect of strengthening the wave frame, improve the integral compressive strength of top layer otter board, the service quality of product is ensured to the additional strengthening steadiness.

Drawings

Fig. 1 is a schematic structural view of the preferred embodiment of the present invention in an open use state.

Fig. 2 is a front view of the preferred embodiment of the present invention in an open position for use.

Fig. 3 is a partially enlarged view of fig. 2 according to the preferred embodiment of the present invention.

Fig. 4 is a right side view of the preferred embodiment of the present invention in an open use position.

Fig. 5 is a partially enlarged view of fig. 4 according to the preferred embodiment of the present invention.

Fig. 6 is a top view of the preferred embodiment of the present invention in its open position.

Fig. 7 is a schematic structural view of the folded state of the preferred embodiment of the present invention.

Fig. 8 is a schematic view of another folded state according to the preferred embodiment of the present invention.

Fig. 9 is a front view of the folded state of the preferred embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 9, the multi-layer folding rack of the present invention comprises a plurality of layers of supporting plates, and a left side frame 1 and a right side frame 2 disposed on both sides of the supporting plates. Wherein the plurality of layers of support plates comprise a top layer 3, a first folded layer 4, a second folded layer 5, a third folded layer 6 and cross bars 7. The left and right ends of the first folding layer 4, the second folding layer 5 and the third folding layer 6 are respectively connected with the left side frame 1 and the right side frame 2 through the shaft from top to bottom in sequence, and the left folding front side and the right folding front side of the first folding layer 4 are respectively connected with the left and right top shafts of the cross rod 7.

The left and right top ends of the cross bar 7 are respectively provided with a left connecting bar 8 and a right connecting bar 9 for connecting with the upper shafts of the left and

right side frames

1 and 2. The bottom is hub connection respectively in the bottom of left side frame 1, the bottom of right side frame 2 about crossbar 7, just the cross of crossbar 7 is equipped with the first folding layer 4 of linkage, the folding layer 5 of second, the folding layer 6 of third inwards fold or outwards open drives the linkage montant 10 of left side frame 1, the folding layer 2 of right side inwards receive and close or outwards expand usefulness, linkage montant 10 respectively with the folding position hub connection of first folding layer 4, the folding layer 5 of second, the folding layer 6 of third.

The linkage vertical rod 10 is matched with the cross rod 7, the left connecting rod 8 and the right connecting rod 9 in a structure, the supporting strength is high, the linkage vertical rod 10 moves upwards or downwards while the linkage cross rod 7, the left connecting rod 8 and the right connecting rod 9 are folded inwards or unfolded outwards, the first folding layer 4, the second folding layer 5 and the third folding layer 6 are synchronously folded inwards or unfolded outwards, the operation is convenient, and the operation is smooth and stable.

Furthermore, the positioning end of the top layer 3 is pivotally connected to the top end of the left side frame 1, and the swinging end of the top layer 3 swings around the positioning end thereof to fold on one side of the left side frame 1 or to lay flat on the top end of the right side frame 2.

That is, when the multi-stage folding leg is in use, the first, second, and

third folding layers

4, 5, and 6 are horizontally supported by the left and

right side frames

1 and 2, respectively. At the moment, the swinging end of the top layer 3 swings around the positioning end and is horizontally placed on the top end of the right side frame 2 to form a four-layer type folding frame, the use is convenient, the structure is stable, and the use quality of the multi-layer type folding frame is ensured.

As shown in FIGS. 1-9 for further refinement, the first folded layer 4 includes a first left folded web panel 41 and a first right folded web panel 42, the second folded layer 5 includes a second left folded web panel 51 and a second right folded web panel 52, and the third folded layer 6 includes a third left folded web panel 61 and a third right folded web panel 62.

The first left folding screen plate 41, the second left folding screen plate 51 and the third left folding screen plate 61 are respectively provided with a front folding connecting piece 14 and a rear folding U-shaped piece 15 which are convenient to fold inwards or open outwards with the first right folding screen plate 42, the second right folding screen plate 52 and the third right folding screen plate 62.

Moreover, fixed connection is around the left end of preceding folding connection piece 14 and back folding U type piece 15 respectively in first left folding otter board 41, the folding otter board 51 in the left side of second, the folding otter board 61 in the left side of third, and fixed connection is around the right-hand member of preceding folding connection piece 14 and back folding U type piece 15 respectively in first right folding otter board 42, the folding otter board 52 in the right side of second, the folding otter board 62 in the right side of third, just the folding joint department of preceding folding connection piece 14 from top to bottom is hub connection in proper order at linkage montant 10.

In addition, the top of linkage montant 10 is equipped with left buckle 12, right buckle 13, the top is equipped with left card post 71, right card post 72 respectively about the crossbar 7, and left buckle 12 matches the spiral-lock with left card post 71, right card post 72 respectively with right buckle 13 and adorns.

When the linkage vertical bar 10 is used, the linkage vertical bar 10 moves downwards, and under the action of the front folding connecting piece 14, the folding joint of the first left folding screen plate 41 and the first right folding screen plate 42, the folding joint of the second left folding screen plate 51 and the second right folding screen plate 52 and the folding joint of the third left folding screen plate 61 and the third right folding screen plate 62 are synchronously linked to move downwards, so that the first left folding screen plate 41 and the first right folding screen plate 42, the second left folding screen plate 51 and the second right folding screen plate 52, and the third left folding screen plate 61 and the third right folding screen plate 62 are synchronously and outwards opened. Meanwhile, the left side frame 1 and the right side frame 2 are pushed to respectively open outwards under the linkage action of the cross rod 7, the left connecting plate and the right connecting plate. When the left and right top ends and the left and right bottom ends of the cross bar 7 are in the maximum opening state, the first left folding net panel 41 and the first right folding net panel 42 are at the same level, the second left folding net panel 51 and the second right folding net panel 52 are at the same level, and the third left folding net panel 61 and the third right folding net panel 62 are at the same level, so that the first folding layer 4, the second folding layer 5 and the third folding layer 6 are horizontally supported on the left side frame 1 and the right side frame 2 in sequence by the last time.

Then, the left buckle 12 and the right buckle 13 are respectively buckled on the right clamping column 72 and the left clamping column 71, so that the multilayer folding frame has a buckling function when being unfolded for use; and the structure of the linkage vertical rod 10 is matched, so that the supporting strength is improved, the structural stability and reliability of the product are ensured, and the use quality of the product is ensured.

When the folding bicycle is folded, the linkage vertical bar 10 moves upwards, and under the action of the front folding connecting piece 14, the folding joint of the first left folding screen plate 41 and the first right folding screen plate 42, the folding joint of the second left folding screen plate 51 and the second right folding screen plate 52 and the folding joint of the third left folding screen plate 61 and the third right folding screen plate 62 are synchronously linked and move upwards, so that the first left folding screen plate 41 and the first right folding screen plate 42, the second left folding screen plate 51 and the second right folding screen plate 52, and the third left folding screen plate 61 and the third right folding screen plate 62 are synchronously folded inwards. Meanwhile, the interlocking action of the cross rod 7, the left connecting plate and the right connecting plate pushes the left side frame 1 and the right side frame 2 to be respectively folded inwards. When the left top end and the right bottom end of the cross bar 7 are connected, the first left folding net plate 41 is connected with the first right folding net plate 42 in a folding mode, the second left folding net plate 51 is connected with the second right folding net plate 52 in a folding mode, the third left folding net plate 61 is connected with the third right folding net plate 62 in a folding mode, so that the left side frame 1 and the right side frame 2 can be connected to the cross bar 7 in a folding mode, and meanwhile the first folding layer 4, the second folding layer 5 and the third folding layer 6 are folded in the left side frame 1 and the right side frame 2. Convenient operation, fold condition is complete, is convenient for accomodate.

Referring to fig. 1 to 9, a positioning block 31 is disposed at a positioning end of the top layer 3, and the left side frame 1 is provided with a connecting shaft 11 connected with the positioning block 31.

Furthermore, the outer side of the swing end of the top layer 3 is provided with a rotary lock catch 32, the top end of the right side frame 2 is provided with a supporting rod 21 for the top layer 3 to be placed horizontally, and the outer side of the supporting rod 21 is provided with a lock column 22 matched with the placing lock catch for buckling.

When the first, second, and third folded

layers

4, 5, and 6 are horizontally supported by the left and

right side frames

1 and 2, the top layer 3 is rotated to swing the swing end of the top layer 3 in the direction of the right side frame 2 about the connecting shaft 11 and to lie on the top end of the right side frame 2, so that the top layer 3, the first, second, and third folded

layers

4, 5, and 6 form a four-layer folded frame. Meanwhile, the top layer 3 is firmly arranged on the left side frame 1 and the right side frame 2 under the action of the rotary lock catch 32 and the lock column 22, so that the top layer 3 is prevented from being separated from the right side frame 2 due to misoperation, and the use stability is ensured.

Similarly, when folding, the rotating lock 32 is rotated away from the lock column 22, and then the swing end of the top layer 3 is rotated, so that the swing end of the top layer 3 swings around the connecting shaft 11 toward the left side frame 1 and is attached to the side surface of the left side frame 1, and then the linkage vertical bar 10 moves upward to link the inward folding of the left side frame 1 and the right side frame 2 and fold the first folding layer 4, the second folding layer 5, and the third folding layer 6 in the left side frame 1 and the right side frame 2. Be convenient for fold the multilayer formula folding leg and accomodate convenient operation.

Referring to fig. 1 to 9, the top layer 3 is a top layer screen plate, the front side and the rear side of the top layer screen plate are respectively provided with a groove 33, and the groove 33 is respectively provided with a reinforcing wave frame 34.

Under the effect of strengthening wave frame 34, improve the integral compressive strength of top layer otter board, strengthen the structural stability, ensure the service quality of product.

And pulleys 16 which are convenient to move are respectively arranged at the bottoms of the left side frame 1 and the right side frame 2. Under the action of the pulley 16, the multi-layer folding frame is convenient to move and use.

The aforesaid embodiment is only the utility model discloses the better embodiment of effect, all with the same or equivalent structure of multilayer formula folding leg of the utility model discloses a protection within range.

Claims

1. The utility model provides a multilayer formula folding leg, includes a plurality of layers of backup pad and locates left side bearer (1), right side bearer (2) of backup pad both sides, its characterized in that: the supporting plates comprise a top layer (3), a first folding layer (4), a second folding layer (5), a third folding layer (6) and cross rods (7), the left end and the right end of the first folding layer (4), the second folding layer (5) and the third folding layer (6) are sequentially connected with a left side frame (1) and a right side frame (2) in an axle mode from top to bottom, and the left folding front side and the right folding front side of the first folding layer (4) are respectively connected with the left top end and the right top end of each cross rod (7) in an axle mode;

the left top end and the right top end of the cross rod (7) are respectively provided with a left connecting rod (8) and a right connecting rod (9) which are connected with the upper part of the left side frame (1) and the upper part of the right side frame (2) through shafts, the left bottom end and the right bottom end of the cross rod (7) are respectively connected with the bottom of the left side frame (1) and the bottom of the right side frame (2) through shafts, a linkage first folding layer (4), a linkage second folding layer (5) and a linkage vertical rod (10) which is used for driving the left side frame (1) and the right side frame (2) to be folded inwards or expanded outwards are arranged at the crossing position of the cross rod (7) and are connected with the folding position shafts of the first folding layer (4), the second folding layer (5) and the third folding layer (6) respectively;

the positioning end shaft of the top layer (3) is connected to the top end of the left side frame (1), and the 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 horizontally placed on the top end of the right side frame (2).

2. A multi-tier folding leg according to claim 1, wherein: the positioning end of the top layer (3) is provided with a positioning block (31), and the left side frame (1) is provided with a connecting shaft (11) connected with the positioning block (31) through a shaft.

3. A multi-tier folding leg according to claim 2, wherein: the outer side of the swing end of the top layer (3) is provided with a rotary lock catch (32), the top end of the right side frame (2) is provided with a supporting rod (21) which is convenient for the top layer (3) to be horizontally placed, and the outer side of the supporting rod (21) is provided with a lock column (22) matched and buckled with the placed lock catch.

4. A multi-tier folding leg according to any one of claims 1 to 3, wherein: the top layer (3) is a top layer screen plate, the front side and the rear side of the top layer screen plate are respectively provided with a groove (33), and the groove (33) is respectively provided with a reinforcing wave frame (34).

5. A multi-tier folding leg according to any one of claims 1 to 3, wherein: the top of linkage montant (10) is equipped with left buckle (12), right buckle (13), the top is equipped with respectively on the left and right sides of crossbar (7) and is equipped with left card post (71), right card post (72), and left buckle (12) and right buckle (13) match with left card post (71), right card post (72) and detain the dress respectively.

6. A multi-tier folding leg according to any one of claims 1 to 3, wherein: the first folding layer (4) comprises a first left folding screen plate (41) and a first right folding screen plate (42), the second folding layer (5) comprises a second left folding screen plate (51) and a second right folding screen plate (52), the third folding layer (6) comprises a third left folding screen plate (61) and a third right folding screen plate (62),

the first left folding screen plate (41), the second left folding screen plate (51) and the third left folding screen plate (61) are respectively provided with a front folding connecting piece (14) and a rear folding U-shaped piece (15) which are convenient to fold inwards or open outwards with the first right folding screen plate (42), the second right folding screen plate (52) and the third right folding screen plate (62),

fixed connection is around the left end of preceding folding connection piece (14) and back folding U type piece (15) respectively in folding otter board (41) in first left side, folding otter board (51) in the left side of second, folding otter board (61) in the left side of third, and fixed connection is around the right-hand member of preceding folding connection piece (14) and back folding U type piece (15) respectively in folding otter board (42) in first right side, folding otter board (52) in the right side of second, folding otter board (62) in the right side of third, just the folding connection department of preceding folding connection piece (14) is from top to bottom in proper order the hub connection at linkage montant (10).

7. The multi-tier folding leg according to claim 6, wherein: pulleys (16) convenient to move are respectively installed at the bottoms of the left side frame (1) and the right side frame (2).