CN212698130U

CN212698130U - Folding storage rack

Info

Publication number: CN212698130U
Application number: CN202020475625.4U
Authority: CN
Inventors: 刘能文; 李飞飞
Original assignee: Guangdong Wireking Housewares & Hardware Co ltd
Current assignee: Guangdong Wireking Housewares & Hardware Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-03-16
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a folding shelf, which comprises a folding shelf, wherein the folding shelf comprises a left side frame, a right side frame, a folding plate and a linkage vertical bar; the left end and the right end of the folded plate are connected with the left side frame and the right side frame through shafts; the linkage vertical bars are arranged at the folding joints of the folding plates and drive the folding plates to be synchronously folded upwards or horizontally opened downwards while moving upwards or downwards; the folding rack also comprises a supporting folding rack group which moves along with the linkage vertical rod to drive the left side rack and the right side rack to fold inwards or unfold outwards, the left end and the right end of the supporting folding rack group are respectively connected with the left side rack and the right side rack, and the middle part of the supporting folding rack group is connected with the linkage vertical rod in a sliding way. This folding supporter simple structure, support intensity is high, and can make the multilayer folded layer fold in step or open under the linkage effect, convenient operation, the operation is smooth and easy steady, has the hasp function again and prevents down the effect, and the structure steadiness is high, ensures the service quality of product.

Description

Folding storage rack

Technical Field

The utility model relates to a technical field of supporter, concretely relates to folding supporter.

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

In order to overcome the defects of the prior art, the utility model aims to provide a foldable storage rack. Its simple structure supports intensity height, and can make the multilayer fold the lamination board under the linkage effect and fold or open in step, convenient operation, and the operation is smooth and easy steady, has the hasp function again and prevents down the effect, and the structure steadiness is high, ensures the service quality of product.

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

a folding storage rack comprises a folding rack, wherein the folding rack comprises a left side frame, a right side frame, a folding plate and a linkage vertical rod; the left end and the right end of the folding plate are connected to the left side frame and the right side frame through shafts; the linkage vertical bars are arranged at the folding joints of the folding plates, and the linkage vertical bars move upwards or downwards and simultaneously drive the folding plates to be synchronously folded upwards or horizontally opened downwards;

the folding rack further comprises a supporting folding rack group which moves along with the linkage vertical rod to drive the left side frame and the right side frame to fold inwards or unfold outwards, the left end and the right end of the supporting folding rack group are respectively connected with the left side frame and the right side frame, and the middle of the supporting folding rack group is connected with the linkage vertical rod in a sliding mode.

As a further preferred aspect, the set of support folding brackets comprises two sets of stop folding bar assemblies and one set of slide folding bar assemblies;

one end of each of the two groups of stopping folding rod assemblies is respectively and correspondingly connected to the left side frame and the right side frame in a shaft mode, the other end of each of the two groups of stopping folding rod assemblies is connected to the folding layer plate in a shaft mode, and when the folding storage rack is in an extending state, the stopping folding rod assemblies, the folding layer plate, the left side frame and the right side frame are surrounded to form a stable triangular structure;

the two ends of the sliding folding rod component are respectively connected to the folding plate or the left side frame and the right side frame in a corresponding mode, the middle folding joint of the sliding folding rod component is provided with a limiting column, and the linkage vertical rod is provided with a vertical limiting sliding groove which is matched with the limiting column in a sliding connection mode.

As a further preferable scheme, the supporting folding frame group is a W-shaped supporting folding frame, the two groups of stopping folding rod assemblies are respectively positioned at the outer sides of the W-shaped supporting folding frame, the sliding folding rod assembly is positioned at the inner side of the W-shaped supporting folding frame, and the stopping folding rod assemblies and the sliding folding rod assemblies are connected end to form a W shape; one ends of the two groups of stopping folding rod assemblies are respectively connected to the left side frame and the right side frame corresponding to the shafts, and the other ends of the two groups of stopping folding rod assemblies are connected with the shafts of the sliding folding rod assemblies to form W-shaped lower corner positions which are positioned on the left folding layer plate and the right folding layer plate of the folding layer plate; the middle folding connection position of the sliding folding rod component is in up-down sliding movement along the length direction of the vertical limiting sliding groove on the linkage vertical rod.

As a further preferred scheme, the stop folding rod assembly of the W-shaped support folding frame comprises a left short upper connecting rod, a left short lower connecting rod, a right short upper connecting rod and a right short lower connecting rod; the sliding folding rod component of the W-shaped supporting folding rack comprises a left supporting connecting rod and a right supporting connecting rod;

the upper ends of the left short upper connecting rod and the right short upper connecting rod are respectively provided with an upper positioning shaft connected with a left side frame and a right side frame, the lower ends of the left short upper connecting rod and the right short upper connecting rod are respectively provided with a lower positioning shaft connected with the upper end shafts of the left short lower connecting rod and the right short lower connecting rod, the lower ends of the left short lower connecting rod and the right short lower connecting rod are respectively provided with a connecting shaft connected with the lower end shafts of a left supporting connecting rod and a right supporting connecting rod, the connecting shafts are respectively connected to a left folding plate and a right folding plate of the corresponding folding plate in a positioning manner, and the limiting columns are arranged at the upper ends of the left supporting connecting rod and the right;

the short upper left connecting rod and the short upper right connecting rod are provided with limiting arc grooves, and the short lower left connecting rod and the short lower right connecting rod are provided with clamping blocks which are matched with the limiting arc grooves in a clamping mode and can slide in the limiting arc grooves around an axis point.

Or, as a further preferred scheme, the supporting folding frame group is a V-shaped supporting folding frame, the two groups of stopping folding rod assemblies are respectively positioned at the outer sides of the V-shaped supporting folding frame, the sliding folding rod assembly is positioned at the inner side of the V-shaped supporting folding frame, and the stopping folding rod assemblies and the sliding folding rod assemblies are connected end to form a V shape; one ends of the two groups of stopping folding rod assemblies are respectively connected to the left side frame and the right side frame correspondingly, and the other ends of the two groups of stopping folding rod assemblies are respectively and correspondingly positioned on a left folding laminated plate and a right folding laminated plate of the folding laminated plate after being connected with a shaft of the sliding folding rod assembly; the middle folding joint of the sliding folding rod component forms a V-shaped lower corner position, and the lower corner position slides up and down on the linkage vertical rod along the length direction of the vertical limiting sliding groove.

As a further preferred scheme, the stop folding rod assembly of the V-shaped support folding frame comprises a left upper connecting rod, a left lower connecting rod, a right upper connecting rod and a right lower connecting rod; the sliding folding rod component of the V-shaped supporting folding rack comprises a left supporting rod and a right supporting rod;

the top ends of the left upper connecting rod and the right upper connecting rod are respectively provided with an upper mounting shaft for connecting with a left side frame and a right side frame shaft, the lower ends of the left upper connecting rod and the right upper connecting rod are provided with a lower mounting shaft for connecting with the upper end shafts of the left lower connecting rod and the right lower connecting rod, the lower ends of the left upper connecting rod and the right upper connecting rod are respectively provided with a lower mounting shaft for connecting with the upper end shafts of the left lower connecting rod and the right lower connecting rod, the lower ends of the left lower connecting rod and the right lower connecting rod are provided with positioning shaft pins for connecting with the upper end shafts of the left supporting rod and the right supporting rod, the positioning shaft pins are respectively connected to a left folding plate and a right folding plate of the corresponding folding plate in a positioning manner, and;

the lower extreme of connecting rod, the upper right connecting rod is equipped with spacing circular arc groove on a left side, and connecting rod, the lower right connecting rod is equipped with and matches the joint with spacing circular arc groove and can slide the joint piece that uses at spacing circular arc groove round the pivot point down on a left side.

Or, as a further preferable scheme, the supporting folding frame group is a rice-shaped supporting folding frame, the two groups of stopping folding rod assemblies are respectively positioned on the upper side of the rice-shaped supporting folding frame, and the sliding folding rod assembly is positioned on the lower side of the rice-shaped supporting folding frame; one ends of the two groups of stopping folding rod assemblies are respectively connected to the left side frame and the right side frame corresponding to the shafts, and the other ends of the two groups of stopping folding rod assemblies are respectively connected to the left folding plate and the right folding plate of the folding plate corresponding to the shafts;

the two ends of the sliding folding rod component are respectively connected to the left side frame and the right side frame corresponding to the shafts and located below the stopping folding rod component, and the middle folding connection position of the sliding folding rod component is in upward and downward sliding movement along the length direction of the vertical limiting sliding groove on the linkage vertical rod.

As a further preferred scheme, the stopping folding rod assembly of the rice-shaped supporting folding rack comprises a left upper connecting rod, a left lower connecting rod, a right upper connecting rod and a right lower connecting rod; the sliding folding rod component of the rice-shaped supporting folding rack comprises a left lower supporting rod and a right lower supporting rod;

the top ends of the left upper connecting rod and the right upper connecting rod are respectively provided with a connecting upper shaft for connecting with a left side frame and a right side frame shaft, the lower ends of the left upper connecting rod and the right upper connecting rod are respectively provided with a connecting lower shaft for connecting with the upper end shafts of the left lower connecting rod and the right lower connecting rod, the lower ends of the left lower connecting rod and the right lower connecting rod are respectively provided with a positioning upper shaft for positioning and connecting with a left folding laminated plate and a right folding laminated plate of a middle folding laminated plate, the bottom ends of the left lower supporting rod and the right lower supporting rod are provided with a positioning lower shaft for connecting with the left side frame and the right side frame shaft, and the limiting columns are arranged at the top ends of the left lower supporting;

the lower extreme of upper left side connecting rod, upper right side connecting rod is equipped with spacing circular arc groove, and the upper end of left side downside connecting rod, right side downside connecting rod is equipped with respectively and matches the joint and can slide the joint piece that uses at spacing circular arc groove round the pivot point with spacing circular arc groove.

As a further preferred scheme, the foldable storage rack further comprises a foldable connecting rod for connecting the left side frame and the right side frame, and the foldable connecting rod is connected to the left side frame and the right side frame instead of a foldable layer plate shaft; the folding plate is detachably mounted between the left side frame and the right side frame.

As a further preferred scheme, the folding layer plates comprise a left folding layer plate and a right folding layer plate, the left folding layer plate and the right folding layer plate are respectively provided with a folding U-shaped piece which is convenient to fold inwards or unfold outwards and a buckling block which is adaptive to be buckled on the left side frame and the right side frame, the folding U-shaped pieces are respectively hinged at the connecting part of the left folding layer plate and the right folding layer plate, the buckling blocks are arranged on the bottom surfaces of the left folding layer plate and the right folding layer plate and are matched with and buckled on the cross bars of the left side frame or the right side frame, and the linkage vertical bars are connected with the folding U-shaped piece shafts.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the linkage vertical rod and the support folding frame group are matched in structure, so that the support strength is greatly improved, the anti-falling effect is effectively realized, the use stability is high, the linkage vertical rod moves upwards or downwards and the support folding frame group is linked to fold inwards or open outwards, the multilayer folding plates are synchronously folded inwards or open outwards, the operation is convenient, and the operation is smooth and stable.

(2) The key that the stop folding rod component, the folding layer plate and the left and right side frames are enclosed to form a stable triangular structure is as follows: the limiting arc groove designed at the folding joint of the locking folding rod component is matched and connected with the limiting structure of the clamping block, so that the multilayer folding storage rack has a locking function when being unfolded for use, the structural stability and reliability are enhanced, and the use quality of a product is ensured; the lock catch structure additionally arranged due to unstable structure in the prior art is omitted.

(3) Under the effect of folding U type piece, not only be convenient for the multilayer folding layer board along with the linkage montant removes and fold or open the action, improve the integral compressive strength of supporter moreover, the service quality of product is ensured to the additional strengthening steadiness.

Drawings

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

fig. 2 is a front view of the preferred embodiment 1 of the present invention in an open state;

fig. 3 is a bottom view of the preferred embodiment 1 of the present invention in an open use state;

fig. 4 is an exploded view of the W-shaped supporting folding leg and the linking vertical bar according to the preferred embodiment of the present invention 1;

fig. 5 is a schematic structural view of the folded state of the preferred embodiment 1 of the present invention;

fig. 6 is a front view of the folded state of the preferred embodiment 1 of the present invention;

fig. 7 is a schematic structural view of the preferred embodiment 2 of the present invention in an open use state;

fig. 8 is an exploded view of the W-shaped folding support and the vertical linkage rod according to the preferred embodiment of the present invention 2;

fig. 9 is a partially disassembled view of the preferred embodiment 2 of the present invention in an open use state;

fig. 10 is a schematic structural view of the folded state of the preferred embodiment 2 of the present invention;

fig. 11 is a schematic structural view of the preferred embodiment 3 of the present invention in an open use state;

fig. 12 is a front view of the preferred embodiment 3 of the present invention in an open state;

fig. 13 is a schematic structural view of the folded state of the preferred embodiment 3 of the present invention;

fig. 14 is a folding relationship diagram of the V-shaped supporting folding leg and the linking vertical bar according to the preferred embodiment 3 of the present invention;

fig. 15 is a schematic structural view of the preferred embodiment 4 of the present invention in an open use state;

fig. 16 is a front view of the preferred embodiment 4 of the present invention in an open position;

fig. 17 is a schematic structural view of the folded state of the preferred embodiment 4 of the present invention;

fig. 18 is a folding relationship diagram of the rice-shaped supporting folding leg and the linking vertical bar according to the preferred embodiment of the present invention 4.

In the figure: 1. a left side frame; 2. a right side frame; 3. folding the laminate; 31. a left folded laminate; 32. a right-folded laminate; 4. linking the vertical rods; 5. a W-shaped supporting folding frame; 51. a left short upper link; 52. a left short lower connecting rod; 53. a left support link; 54. a right short upper link; 55. a right short lower link; 56. a right support link; 57. an upper positioning shaft; 58. a lower positioning shaft; 59. a connecting shaft; 6. a V-shaped supporting folding frame; 61. a left upper link; 62. a left lower connecting rod; 63. a right upper link; 64. a right lower connecting rod; 65. a left support bar; 66. a right support bar; 67. an upper mounting shaft; 68. a lower mounting shaft; 69. positioning a shaft pin; 7. a rice-shaped supporting folding frame; 71. a left upper side connecting rod; 72. a left lower link; 73. a right upper side connecting rod; 74. a lower right link; 75. a left lower support bar; 76. a right lower support bar; 77. connecting an upper shaft; 78. connecting a lower shaft; 79. positioning an upper shaft; 710. positioning the lower shaft; 8. folding the connecting rod; 9. a limiting column; 10. a vertical limiting chute; 11. a limiting arc groove; 12. a clamping block; 13. folding the U-shaped sheet; 14. buckling blocks; 15. a top ply; 16. a pulley.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Embodiment 1A foldable shelf

As shown in fig. 1-18, the foldable shelf of the present invention is a multi-layer foldable shelf, which comprises a foldable frame, wherein the foldable frame comprises a left side frame 1, a right side frame 2, a foldable layer board 3 and a linkage vertical rod 4; the left end and the right end of the folded plate 3 are connected with the left side frame 1 and the right side frame 2 through shafts; the linkage vertical bars 4 are arranged at the folding joints of the folding plates 3, and the linkage vertical bars 4 move upwards or downwards and simultaneously drive the folding plates 3 to be synchronously folded upwards or horizontally opened downwards;

the folding rack further comprises a supporting folding rack group which moves along with the linkage vertical rod 4 to drive the left side frame 1 and the right side frame to be inwards folded or outwards unfolded, the left end and the right end of the supporting folding rack group are respectively connected with the left side frame 1 and the right side frame 2, and the middle of the supporting folding rack group is in sliding connection with the linkage vertical rod 4.

The supporting folding frame group comprises two groups of stopping folding rod assemblies and one group of sliding folding rod assemblies; wherein, the shape that supports folding bracket group can be changeable, but the function and the principle of folding, expansion, locking are the same, all realize folding, expansion, the locking function of above-mentioned folding supporter through the cooperation of locking folding rod subassembly and the connected mode and the mounted position of slip folding rod subassembly.

One end of each of the two groups of stopping folding rod assemblies is respectively and correspondingly connected to the left side frame 1 and the right side frame 2 in a shaft mode, the other end of each of the two groups of stopping folding rod assemblies is connected to the folding layer plate 3 in a shaft mode, and when the folding storage rack is in an extension state, the stopping folding rod assemblies, the folding layer plate 3, the left side frame and the right side frame are surrounded to form a stable triangular structure;

the two ends of the sliding folding rod component are respectively connected to the folding plate 3 or the left side frame and the right side frame in a corresponding mode, the middle folding joint of the sliding folding rod component is provided with a limiting column 9, and the linkage vertical rod 4 is provided with a vertical limiting sliding groove 10 which is matched with the limiting column 9 and is in sliding connection.

Specifically, referring to fig. 1 to 6, the supporting folding leg group is a W-shaped supporting folding leg 5, two groups of stopping folding bar assemblies are respectively located at the outer side of the W-shaped supporting folding leg 5, the sliding folding bar assembly is located at the inner side of the W-shaped supporting folding leg 5, and the stopping folding bar assemblies and the sliding folding bar assemblies are connected end to form a W shape; one ends of the two groups of stopping folding rod assemblies are respectively connected to the left side frame and the right side frame corresponding to the shafts, and the other ends of the two groups of stopping folding rod assemblies are connected with the shafts of the sliding folding rod assemblies to form W-shaped lower corner positions which are positioned on the left folding plate 31 and the right folding plate 32 of the folding laminated plate 3; the middle folding joint of the sliding folding rod component is arranged on the linkage vertical rod 4 and slides up and down along the length direction of the vertical limiting sliding groove 10.

The W-shaped supporting folding leg 5 includes a left short upper link 51, a left short lower link 52, a left supporting link 53, a right short upper link 54, a right short lower link 55, and a right supporting link 56. The upper ends of the left short upper connecting rod 51 and the right short upper connecting rod 54 are respectively provided with an upper positioning shaft 57 connected with the left side frame 1 and the right side frame 2. The lower ends of the left short upper connecting rod 51 and the right short upper connecting rod 54 are respectively provided with a lower positioning shaft 58 connected with the upper end shafts of the left short lower connecting rod 52 and the right short lower connecting rod 55. The lower ends of the left short lower connecting rod 52 and the right short lower connecting rod 55 are respectively provided with a connecting shaft 59 connected with the lower end shafts of the left support connecting rod 53 and the right support connecting rod 56, the connecting shafts 59 are respectively positioned and connected on the left folding laminated plate 31 and the right folding laminated plate 32 of the corresponding folding laminated plate 3, and the limiting column 9 is arranged at the upper ends of the left support connecting rod 53 and the right support connecting rod 56.

That is, when the W-shaped supporting folding leg 5 is in use, the linkage vertical rod is moved downward, and the folding joints of the multi-layered folding layer 3 are synchronously moved downward along the linkage vertical rod, so that the multi-layered folding layer 3 is synchronously opened outward and horizontally supported on the left side frame 1 and the right side frame 2, thereby forming the multi-layered folding shelf. The W-shaped folding support 5 has four layers of folding plates 3, and the four layers of folding plates 3 are distributed on the left side frame 1 and the right side frame 2 from top to bottom to form a four-layer folding support. Convenient to use, the structure is firm, guarantees the quality of use of multilayer formula folding supporter.

The structure of the vertical spacing spout 10 of cooperation and spacing post 9 simultaneously strengthens linkage stability, promotes operation smoothness nature and reliability, realizes folding or opening in step of multilayer folding laminated sheet 3, ensures the quality of use of supporter, guarantees again to accomodate the effect.

In addition, the left short upper connecting rod 51 and the right short upper connecting rod 54 are provided with limiting arc grooves 11, and the left short lower connecting rod 52 and the right short lower connecting rod 55 are provided with clamping blocks 12 which are matched with the limiting arc grooves 11 in a clamping mode and can slide on the limiting arc grooves 11 around an axis point.

When the commodity shelf is used, the linkage vertical rod 4 is pushed downwards, so that the limiting column 9 slides upwards on the linkage vertical rod 4 relative to the left side frame 1 and the right side frame 2, the folding joints of the four layers of folding layer plates 3 are driven to be pushed downwards, and the left end and the right end of the four layers of folding layer plates 3 are opened outwards. Meanwhile, the left support link 53 and the right support link 56 respectively move upwards along with the limit column 9, and link the left short lower link 52 and the left short upper link 51, the right short lower link 55 and the right short upper link 54 to respectively rotate around the pivot point to be opened outwards, so as to push the left side frame 1 and the right side frame 2 to be opened outwards, so that the four layers of folding layer plates 3 are sequentially supported on the left side frame 1 and the right side frame 2 horizontally by the last time, and a four-layer shelf is formed. The structure cooperation of the linkage vertical rod 4 and the W-shaped supporting folding frame 5 greatly improves the supporting strength, has good anti-falling effect, can operate the four layers of folding plates 3 to be synchronously folded inwards or outwards opened, is convenient to operate, and smoothly and stably operates.

When the folding storage rack is in an extending state, the clamping block 12 is limited at the tail end position of the limiting arc groove 11, the upper positioning shaft 57, the lower positioning shaft 58 and the connecting shaft 59 are positioned on a straight line, so that the locking folding rod assembly, the folding layer plate 3 and the left side frame 1 or the right side frame 2 are enclosed to form a stable triangular structure, the W-shaped supporting folding rack 5 is positioned at a dead point in an opening state, the self-locking function is realized, the structural stability and reliability are enhanced, and the use quality of a product is ensured.

When the folding rack is stored, the linkage vertical rod 4 is pushed upwards, and the clamping block 12 can rotate towards the other side of the limiting arc groove 11 with enough force, so that the W-shaped supporting folding rack 5 in an opened state is unlocked. Then, the limiting column 9 slides downwards relative to the left side frame 1 and the right side frame 2 on the linkage vertical rod 4, so that the folding joints of the four layers of folding layer plates 3 are driven to move upwards, and the left end and the right end of the four layers of folding layer plates 3 are folded inwards. During, left brace rod 53, right brace rod 56 move down along with spacing post 9 respectively to link left short lower connecting rod 52 and left short upper connecting rod 51, right short lower connecting rod 55 right short upper connecting rod 54 respectively round the pivot point rotation with inwards folding, convenient operation, fold condition is complete, is convenient for accomodate.

As shown in fig. 1 to 6, for further refinement, the folded layer plate 3 includes a left folded layer plate 31 and a right folded layer plate 32. The left folding layer plate 31 and the right folding layer plate 32 are respectively provided with a folding U-shaped piece 13 which is convenient to fold inwards or open outwards and a buckling block 14 which is matched and buckled on the left side frame 1 and the right side frame 2. Folding U type piece 13 articulates respectively in the connection department of left folding layer board 31 and right folding layer board 32, the bottom surface at left folding layer board 31, right folding layer board 32 is installed to knot piece 14 and matches the spiral-lock with the horizontal pole of left side frame 1 or right side frame 2, linkage montant 4 is connected with folding U type piece 13 axle wherein.

Under the effect of folding U type piece 13, not only be convenient for the multilayer folding layer board 3 along with the removal of linkage montant 4 is folded or open action, improves the integral compressive strength of supporter moreover, and the service quality of product is ensured to the additional strengthening steadiness.

And, this folding layer board 3 can be equipped with one deck, two-layer, three-layer, four-layer or more than four-layer, according to the actual required setting, this W type supports folding leg 5 and then shows the folding layer board 3 that has four-layer. And the structure of the buckle block 14 is matched, so that the folding layer plate 3 is convenient to disassemble and assemble between the left side frame 1 and the right side frame 2, and the folding layer plate is convenient to assemble and flexible to use.

And the bottom of the left side frame 1 and the right side frame 2 can be provided with a pulley 16 in a detachable way, so that the movable use is convenient, and the use convenience is improved.

Embodiment 2 a foldable shelf

Referring to fig. 7-10 and fig. 1-6 of embodiment 1, the foldable article rack of embodiment 2 is mainly different from the foldable article rack of embodiment 1 in that: the foldable commodity shelf further comprises a foldable connecting rod 8 for connecting the left side frame 1 and the right side frame 2, the foldable connecting rod 8 replaces the connecting function of the foldable plates 3 in the embodiment 1, and the rest structures are the same. In the embodiment, the folding connecting rod 8 is connected to the left side frame 1 and the right side frame 2 through shafts; the folding layer plate 3 of the present embodiment is installed between the left side frame 1 and the right side frame 2 by a detachable connection member such as a buckle block 14. In addition, in the present embodiment, the folding plate 3 may be designed to have a folding structure or may be designed to have an integrally formed non-folding structure. The design advantage of this folding connecting rod 8 lies in: the height position of folded plate 3 is adjustable, and DIY design of folded plate 3 can be realized. In addition, the folding storage rack of embodiments 3-4 can be designed with folding connecting rods 8 to realize the height adjustment of the folding plates 3.

Embodiment 3 a foldable shelf

The main differences between the foldable article rack in embodiment 3 and embodiment 1 are: the shape of the supporting folding frame group is different, and particularly, the connection mode and the installation position of the stopping folding rod component and the sliding folding rod component are different.

As shown in fig. 11 to 14, the support folding leg group is a V-shaped support folding leg 6. The left top end and the right top end of the V-shaped supporting folding frame 6 are respectively connected with the left side frame 1 and the right side frame 2 in a shaft mode, the middle portions of the left side and the right side of the V-shaped supporting folding frame 6 are respectively connected with a left folding laminated plate 31 and a right folding laminated plate 32 of the folding laminated plate 3 in a positioning mode, a limiting column 9 is arranged at the corner position of the V-shaped supporting folding frame 6, and a vertical limiting sliding groove 10 which is connected with the limiting column 9 in a sliding mode is arranged on the vertical linkage rod 4.

The supporting folding frame group is a V-shaped supporting folding frame 6, the two groups of stopping folding rod assemblies are respectively positioned at the outer sides of the V-shaped supporting folding frame 6, the sliding folding rod assemblies are positioned at the inner sides of the V-shaped supporting folding frame 6, and the stopping folding rod assemblies and the sliding folding rod assemblies are connected end to form a V shape; one ends of the two groups of stopping folding rod assemblies are respectively and correspondingly connected with the left side frame 1 and the right side frame 2 through shafts, and the other ends of the two groups of stopping folding rod assemblies are respectively and correspondingly positioned on the left folding plate 31 and the right folding plate 32 of the folding plate 3 after being connected with the sliding folding rod assembly through the shafts; the middle folding joint of the sliding folding rod component forms a V-shaped lower corner position, and the lower corner position slides up and down on the linkage vertical rod 4 along the length direction of the vertical limiting sliding groove 10.

That is, when the V-shaped supporting folding leg 6 is in use, the linkage vertical rod is moved downward, and the folding joints of the multi-layered folding layer 3 are synchronously moved downward along the linkage vertical rod, so that the multi-layered folding layer 3 is synchronously opened outward and horizontally supported on the left side frame 1 and the right side frame 2, thereby forming the multi-layered folding shelf. This V type supports folding leg 6 and shows that there is three-layer folding layer board 3, and three-layer folding layer board 3 distributes from top to bottom on left side frame 1 and right side frame 2, and top board layer 15 is installed at top board layer 3's top simultaneously, and top board layer 15's location end location is connected at left side frame 1, and top board layer 15's swing end is rotatory on right side frame 2, makes top board layer 15 and multilayer folding layer board 3 form four laminar folding supporter. Convenient to use, the structure is firm, guarantees the quality of use of multilayer formula folding supporter.

The stopping folding rod assembly of the V-shaped supporting folding frame 6 comprises a left upper connecting rod 61, a left lower connecting rod 62, a right upper connecting rod 63 and a right lower connecting rod 64; the sliding folding rod component of the V-shaped supporting folding rack 6 comprises a left supporting rod 65 and a right supporting rod 66; the top ends of the left upper connecting rod 61 and the right upper connecting rod 63 are respectively provided with an upper mounting shaft 67 which is connected with the left side frame 1 and the right side frame 2 through shafts. The lower ends of the left upper connecting rod 61 and the right upper connecting rod 63 are respectively provided with a lower mounting shaft 68 for connecting with the upper end shafts of the left lower connecting rod 62 and the right lower connecting rod 64, the lower ends of the left lower connecting rod 62 and the right lower connecting rod 64 are respectively provided with a positioning shaft pin 69 for connecting with the upper end shafts of the left supporting rod 65 and the right supporting rod 66, and the positioning shaft pins 69 are respectively positioned and connected on the left folding layer plate 31 and the right folding layer plate 32 of the corresponding folding layer plate 3. And the limiting column 9 is arranged at the lower ends of the left support rod 65 and the right support rod 66.

In addition, the lower ends of the left upper connecting rod 61 and the right upper connecting rod 63 are provided with limiting arc grooves 11, and the left lower connecting rod 62 and the right lower connecting rod 64 are provided with clamping blocks 12 which are matched with the limiting arc grooves 11 in a clamping mode and can slide in the limiting arc grooves 11 around the shaft point.

When the commodity shelf is used, the linkage vertical rod 4 is pushed downwards, so that the limiting column 9 slides upwards on the linkage vertical rod 4 relative to the left side frame 1 and the right side frame 2, the folding joints of the four layers of folding layer plates 3 are driven to be pushed downwards, and the left end and the right end of the four layers of folding layer plates 3 are opened outwards. Meanwhile, the left support rod 65 and the right support rod 66 respectively move upwards along with the limiting column 9, and are linked with the top ends of the left upper connecting rod 61 and the right upper connecting rod 63 to rotate outwards around the lower mounting shaft 68, and the left lower connecting rod 62, the right lower connecting rod 64, the left support rod 65 and the right support rod 66 respectively open outwards, so that the left side frame 1 and the right side frame 2 are pushed to open outwards, and the three layers of folding laminates 3 are sequentially supported on the left side frame 1 and the right side frame 2 horizontally by the last time, thereby forming a four-layer shelf. The structure cooperation of the linkage vertical rod 4 and the V-shaped support folding frame greatly improves the support strength, realizes the anti-falling effect, can operate the three-layer folding layer plate 3 to be synchronously folded inwards or outwards opened, is convenient to operate, and smoothly and stably operates.

When the folding storage rack is in an extending state, because the clamping block 12 is limited at the tail end position of the limiting arc groove 11, the upper mounting shaft 67, the lower mounting shaft 68 and the positioning shaft pin 69 are positioned on a straight line, the locking folding rod assembly, the folding layer plate 3 and the left side frame 1 or the right side frame 2 are enclosed to form a stable triangular structure, so that the V-shaped support folding rack is positioned at a dead point in an opening state, the locking folding storage rack has a self-locking function, the anti-falling effect is improved, the structural stability and reliability are enhanced, and the use quality of a product is ensured.

When the folding rack is stored, the linkage vertical rod 4 is pushed upwards, and enough force can be provided to enable the clamping block 12 to rotate towards the other side of the limiting arc groove 11, so that the V-shaped support folding rack in an open state is unlocked. Then, the limiting column 9 slides downwards relative to the left side frame 1 and the right side frame 2 on the linkage vertical rod 4, so that the folding connection part of the three layers of folding layer plates 3 is driven to move upwards, and the left end and the right end of the multi-layer folding layer plates 3 are folded inwards. Meanwhile, the left and

right support rods

65 and 66 move downward along with the limit posts 9, and rotate downward around the lower mounting shafts 68 in conjunction with the upper mounting shafts 67 of the left and right

upper links

61 and 63, so that the left and right

upper links

61 and 64 are folded inside the left and right

lower links

62 and 64. Meanwhile, the left lower connecting rod 62, the right lower connecting rod 64, the left supporting rod 65 and the right supporting rod 66 are folded inwards respectively, so that the left side frame 1 and the right side frame 2 are completely folded on the linkage vertical rod 4, and the folding type folding chair is convenient to operate, complete in folding state and convenient to store.

Embodiment 4A foldable shelf

The main differences between the foldable shelf in this embodiment 4 and the foldable shelves in embodiments 1-3 are: the shape of the supporting folding frame group is different, and particularly, the connection mode and the installation position of the stopping folding rod component and the sliding folding rod component are different.

As shown in fig. 15 to 18, the supporting folding leg assembly is a rice-shaped supporting folding leg 7. The two groups of stopping folding rod assemblies are respectively positioned on the upper side of the rice-shaped supporting folding rack 7, and the sliding folding rod assemblies are positioned on the lower side of the rice-shaped supporting folding rack 7; one ends of the two groups of stopping folding rod assemblies are respectively and correspondingly connected with the left side frame 1 and the right side frame 2 through shafts, and the other ends of the two groups of stopping folding rod assemblies are respectively and correspondingly connected with the left folding plate 31 and the right folding plate 32 of the folding plate 3 through shafts; when the folding storage rack is in an extension state, the stop folding rod component, the folding layer plate, the left side rack and the right side rack are encircled to form a stable triangular structure;

two ends of the sliding folding rod component are respectively and correspondingly connected to the left side frame 1 and the right side frame 2 in a shaft mode and are positioned below the stopping folding rod component, a limiting column 9 is arranged at the folding connection position in the middle of the sliding folding rod component, and a vertical limiting sliding groove 10 matched with and connected with the limiting column in a sliding mode is arranged on the linkage vertical rod; the middle folding joint of the sliding folding rod component is located on the linkage vertical rod and moves up and down along the length direction of the vertical limiting sliding groove.

That is, when the rice-shaped supporting folding leg 7 is in use, the linkage vertical rod 4 is moved downward, and the folding joints of the multi-layer folding layer plates 3 are synchronously moved downward along the linkage vertical rod 4, so that the multi-layer folding layer plates 3 are synchronously opened outward and horizontally supported on the left side frame 1 and the right side frame 2, thereby forming the multi-layer folding shelf. Similarly, the folding layer plate 3 can be two layers, three layers, four layers or more than four layers. This rice type supports folding leg 7 and shows that there is three-layer folding layer board 3, and three-layer folding layer board 3 distributes from top to bottom on left side frame 1 and right side frame 2. Meanwhile, the top of the folding layer plate 3 is arranged on the top layer plate 15, the positioning end of the top layer plate 15 is positioned and connected to the left side frame 1, and the swinging end of the top layer plate 15 rotates on the right side frame 2, so that the top layer plate 15 and the multiple layers of folding layer plates 3 form a four-layer type folding storage rack. Convenient to use, the structure is firm, guarantees the quality of use of multilayer formula folding supporter.

Wherein, the stop folding rod component of the rice-shaped support folding leg 7 comprises a left upper connecting rod 71, a left lower connecting rod 72, a right upper connecting rod 73 and a right lower connecting rod 74; the sliding folding rod component of the rice-shaped supporting folding rack comprises a left lower supporting rod 75 and a right lower supporting rod 76; the top ends of the left upper connecting rod 71 and the right upper connecting rod 73 are respectively provided with a connecting upper shaft 77 for connecting with the left side frame 1 and the right side frame 2, and the lower ends of the left upper connecting rod 71 and the right upper connecting rod 73 are respectively provided with a connecting lower shaft 78 for connecting with the upper end shafts of the left lower connecting rod 72 and the right lower connecting rod 74. The lower ends of the left lower connecting rod 72 and the right lower connecting rod 74 are respectively provided with a positioning upper shaft 79 for positioning connection with the left folding plate 31 and the right folding plate 32 of the middle folding plate 3, the bottom ends of the left lower supporting rod 75 and the right lower supporting rod 76 are provided with a positioning lower shaft 710 for connecting the left side frame 1 and the right side frame 2, and the limiting column 9 is arranged at the top ends of the left lower supporting rod 75 and the right lower supporting rod 76.

And, the lower extreme of upper left side connecting rod 71, upper right side connecting rod 73 is equipped with spacing circular arc groove 11, and the upper end of lower left side connecting rod 72, lower right side connecting rod 74 is equipped with respectively and matches the joint with spacing circular arc groove 11 and can slide the joint piece 12 that uses at spacing circular arc groove 11 round the pivot point.

When the storage rack is used, the linkage vertical rod 4 is pushed downwards, so that the limiting column 9 slides upwards on the linkage vertical rod 4 relative to the left side frame 1 and the right side frame 2, the folding joints of the multilayer folding layer plates 3 are driven to be pushed downwards, and the left end and the right end of the multilayer folding layer plates 3 are opened outwards. Meanwhile, the left lower support rod 75 and the right lower support move upwards along with the limit column 9 respectively, and the upper linkage connection shaft 77 moves upwards around the lower connection shaft 78 to enable the left upper side connecting rod 71 and the right upper side connecting rod 73 to be opened outwards respectively, and meanwhile, the left lower connecting rod, the right lower connecting rod, the left lower support rod 75 and the right lower support rod 76 are also opened outwards respectively, so that the left side frame 1 and the right side frame 2 are pushed to be opened outwards, and the multi-layer folding layer plates 3 are supported on the left side frame 1 and the right side frame 2 horizontally and sequentially from bottom to bottom, thereby forming a multi-layer shelf. The linkage vertical rod 4 is matched with the rice-shaped support folding frame 7 in structure, so that the support strength is greatly improved, the anti-falling effect is good, the four layers of folding plates 3 can be synchronously folded inwards or outwards, the operation is convenient, and the operation is smooth and stable.

When the folding shelf is in an extending state, because the clamping block 12 is limited at the tail end position of the limiting arc groove 11, the connecting upper shaft 77, the connecting lower shaft 78 and the positioning upper shaft 79 are positioned on a straight line, the stopping folding rod assembly, the folding layer plate 3 and the left side frame 1 or the right side frame 2 are enclosed to form a stable triangular structure, so that the rice-shaped supporting folding frame 7 is positioned at a dead point in an opening state, the self-locking function is realized, the structural stability and reliability are enhanced, and the use quality of a product is ensured.

When the folding rack is stored, the linkage vertical rod 4 is pushed upwards, and the clamping block 12 can rotate towards the other side of the limiting arc groove 11 by enough force, so that the rice-shaped support folding rack 7 in an open state is unlocked. Then, the limiting column 9 slides downwards relative to the left side frame 1 and the right side frame 2 on the linkage vertical rod 4, so that the folding joints of the four layers of folding layer plates 3 are driven to move upwards, and the left end and the right end of the four layers of folding layer plates 3 are folded inwards. During the period, the left lower support rod 75 and the right lower support rod 76 respectively move downwards along with the limiting column 9, and the left upper connecting rod 71 and the right upper connecting rod 73 are linked to rotate around the axis point respectively to be folded towards the right upper connecting rod 73 and the right lower connecting rod 74, so that the left side frame 1 and the right side frame 2 are folded on the linked vertical rods 4, the operation is convenient, the folding state is complete, and the storage is convenient.

In addition, according to the actual operation, this multilayer formula folding supporter's folding layer board 3 can be selected for nonporous folding layer board 3 or porose folding layer board 3, and the suitability is high, convenient to use.

The left side frame 1 and the right side frame 2 may be circular tube side frames, square tube side frames, or the like. Further strengthen compressive strength, improve structural stability, strengthen the result of use of product.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A folding supporter, its characterized in that: the folding frame comprises a left side frame, a right side frame, a folding plate and a linkage vertical rod; the left end and the right end of the folding plate are connected to the left side frame and the right side frame through shafts; the linkage vertical bars are arranged at the folding joints of the folding plates, and the linkage vertical bars move upwards or downwards and simultaneously drive the folding plates to be synchronously folded upwards or horizontally opened downwards;

2. A folding shelf according to claim 1 wherein said set of support folding shelves comprises two sets of stop folding bar assemblies and one set of slide folding bar assemblies;

3. The foldable commodity shelf of claim 2, wherein the supporting folding frame group is a W-shaped supporting folding frame, two groups of stopping folding rod assemblies are respectively positioned at the outer sides of the W-shaped supporting folding frame, the sliding folding rod assembly is positioned at the inner side of the W-shaped supporting folding frame, and the stopping folding rod assemblies and the sliding folding rod assemblies are connected end to form a W shape; one ends of the two groups of stopping folding rod assemblies are respectively connected to the left side frame and the right side frame corresponding to the shafts, and the other ends of the two groups of stopping folding rod assemblies are connected with the shafts of the sliding folding rod assemblies to form W-shaped lower corner positions which are positioned on the left folding layer plate and the right folding layer plate of the folding layer plate; the middle folding connection position of the sliding folding rod component is in up-down sliding movement along the length direction of the vertical limiting sliding groove on the linkage vertical rod.

4. A foldable storage rack as claimed in claim 3, wherein said stop folding bar assembly of W-shaped support folding rack comprises left short upper link, left short lower link, right short upper link, right short lower link; the sliding folding rod component of the W-shaped supporting folding rack comprises a left supporting connecting rod and a right supporting connecting rod;

5. The foldable commodity shelf of claim 2, wherein the supporting folding frame group is a V-shaped supporting folding frame, two groups of stopping folding rod assemblies are respectively positioned at the outer sides of the V-shaped supporting folding frame, the sliding folding rod assembly is positioned at the inner side of the V-shaped supporting folding frame, and the stopping folding rod assemblies and the sliding folding rod assemblies are connected end to form a V shape; one ends of the two groups of stopping folding rod assemblies are respectively connected to the left side frame and the right side frame correspondingly, and the other ends of the two groups of stopping folding rod assemblies are respectively and correspondingly positioned on a left folding laminated plate and a right folding laminated plate of the folding laminated plate after being connected with a shaft of the sliding folding rod assembly; the middle folding joint of the sliding folding rod component forms a V-shaped lower corner position, and the lower corner position slides up and down on the linkage vertical rod along the length direction of the vertical limiting sliding groove.

6. A foldable storage rack according to claim 5, characterized in that said V-shaped supporting folding rack stop folding rod assembly comprises a left upper connecting rod, a left lower connecting rod, a right upper connecting rod, a right lower connecting rod; the sliding folding rod component of the V-shaped supporting folding rack comprises a left supporting rod and a right supporting rod;

7. A foldable shelf according to claim 2, characterized in that said group of support folding legs are rice-shaped support folding legs, two groups of stop folding bar assembly are respectively located on the upper side of the rice-shaped support folding legs, said sliding folding bar assembly is located on the lower side of the rice-shaped support folding legs; one ends of the two groups of stopping folding rod assemblies are respectively connected to the left side frame and the right side frame corresponding to the shafts, and the other ends of the two groups of stopping folding rod assemblies are respectively connected to the left folding plate and the right folding plate of the folding plate corresponding to the shafts;

8. A foldable storage rack as claimed in claim 7, wherein said stop folding bar assembly of the rice-shaped support folding rack comprises a left upper connecting bar, a left lower connecting bar, a right upper connecting bar, a right lower connecting bar; the sliding folding rod component of the rice-shaped supporting folding rack comprises a left lower supporting rod and a right lower supporting rod;

9. The foldable commodity shelf of any one of claims 1 to 8, further comprising foldable connecting rods for connecting the left and right side frames, wherein the foldable connecting rods are connected to the left and right side frames instead of the foldable floor shafts; the folding plate is detachably mounted between the left side frame and the right side frame.

10. The foldable commodity shelf according to any one of claims 1 to 8, wherein the foldable plates comprise a left foldable plate and a right foldable plate, the left foldable plate and the right foldable plate are respectively provided with a foldable U-shaped piece for inward folding or outward unfolding and a fastening block adapted to be fastened to the left side frame and the right side frame, the foldable U-shaped pieces are respectively hinged to the connection position of the left foldable plate and the right foldable plate, the fastening block is mounted on the bottom surface of the left foldable plate and the right foldable plate and is matched with the cross bar of the left side frame or the right side frame, and the linkage vertical bar is connected with the shaft of the foldable U-shaped piece.