CN112137319A - Portable high-stability folding goods shelf - Google Patents

Abstract

The invention discloses a portable high-stability folding shelf, which relates to the field of portable shelves, comprising a first bracket and a second bracket. The first bracket includes a vertical rod, a connecting rod and a folding connecting rod; the vertical rod includes a type A vertical rod and a type B vertical rod, the two type A vertical rods are fixedly connected by a connecting rod, and the two type B vertical rods are fixedly connected. They are fixedly connected by connecting rods; the A-type vertical rods and the B-type vertical rods are connected by a folding link; the folding link includes a first crossbar, a second crossbar, a biaxial telescopic hinge and a single-axis telescopic hinge; The first crossbar and the second crossbar are connected by a double-axis telescopic hinge; the first crossbar and the A-type vertical rod, and the second crossbar and the B-type vertical rod are respectively connected by a single-axis telescopic hinge. In the invention, the first bracket adopts the technical means of horizontal folding and in-situ assembly to reduce the occupancy, enhance the transportation capacity, and at the same time have a relatively fast assembly speed, which ultimately avoids the cumbersome assembly of the shelves in the prior art and the relatively low stability after unfolding. Bad shortcoming.

Description

A portable high-stability folding shelf

technical field

The invention relates to the field of portable shelves, in particular to a portable high-stability folding shelf.

Background technique

Shelves, that is, shelves for displaying and storing goods, are widely used in shopping malls, warehouses and homes. The shelves are divided into traditional shelves and new shelves according to the development. Most traditional wooden shelves are relatively bulky, difficult to transport, and have a high loss rate; traditional metal shelves are usually formed by welding after arriving at the place of use in order to facilitate transportation, which has large pollution and cumbersome operations. Therefore, traditional shelves have basically been eliminated. . New types of shelves include: rotating shelves, mobile shelves, shuttle shelves, prefabricated shelves, adjustable shelves, pallet shelves, car-in shelves, high-rise shelves, attic shelves, gravity shelves, screen-mounted shelves, etc. , the most widely used is the prefabricated shelf.

The prefabricated rack also adopts the technical solution of disassembly, transportation and on-site assembly, which greatly improves the convenience of transportation and solves the problem of difficult transportation of traditional racks to a certain extent, but it still does not have the disadvantage of cumbersome assembly.

The foldable shelf reduces the volume by adopting the folding scheme of the mechanical structure to improve the convenience, but the mechanical structure that can be folded/unfolded has relatively poor stability, so the folding shelf is not only easy to shake after installation, but also the load capacity. reduce.

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned disadvantages of complicated assembly and poor stability of the existing shelves in the background art, the present invention provides a portable high-stability folding shelf.

The technical solution adopted by the present invention to solve the above shortcomings is: a portable high-stability folding shelf, comprising a first bracket and a second bracket, and the upper surface of the first bracket is connected with the lower bottom surface of the second bracket.

The first bracket includes a vertical rod, a connecting rod and a folding link; the vertical rod includes at least two A-type vertical rods and at least two B-type vertical rods, and the two A-type vertical rods are fixedly connected by connecting rods, and the two The B-type vertical rods are fixedly connected by connecting rods; the A-type vertical rods and the B-type vertical rods are connected by a folding link; the folding link includes a first cross rod, a second cross rod, and a biaxial telescopic hinge and uniaxial telescopic hinge; the first crossbar and the second crossbar are connected by a biaxial telescopic hinge; a single biaxial telescopic hinge is connected with no less than two first screws and no less than two second screws respectively through threads , the first crossbar and the second crossbar are respectively provided with a first bar-shaped hole, and the first screw is respectively located in the first bar-shaped hole or directly below the first bar-shaped hole; the first crossbar and the biaxial telescopic hinge , The second crossbar and the biaxial telescopic hinge are respectively crimped through the bottom end of the stud of the first screw; the first crossbar and the A-type vertical rod, the second crossbar and the B-type vertical rod are respectively connected by the single-axis telescopic hinge Connection; a single uniaxial telescopic hinge is connected with no less than one third screw through threads, the first crossbar and the second crossbar are respectively provided with second bar-shaped holes, and the third screw is located in the second bar-shaped hole or Just below the second strip hole; the first horizontal bar and the A-type vertical rod, the second horizontal bar and the B-type vertical rod are respectively crimped through the bottom end of the stud of the third screw.

The second bracket includes no less than four support rods and no less than four built-in corner connectors, and the support rods are connected end to end in a ring or U shape through the built-in corner connectors; a single built-in corner The connecting piece is connected with no less than two fourth screws through threads; the two ends of the single support rod are respectively provided with through holes, and the fourth screw is located in the through hole or right below the through hole; the support rod is connected to the embedded type The corner connectors are respectively crimped through the bottom ends of the studs of the fourth screws.

As a further optimized solution of the present invention, the first cross bar and the second cross bar are all hollow tube structures or partial hollow tube structures at both ends.

As a further optimized solution of the present invention, the support rod is a full hollow tube structure or a partial hollow tube structure at both ends.

As a further optimized solution of the present invention, the first strip-shaped hole and the second strip-shaped hole are both through-hole structures.

As a further optimized solution of the present invention, the first screw, the second screw, the third screw and the fourth screw are all headless screws.

The advantages of the present invention lie in that: after arriving at the use site, the second bracket is first assembled into a whole by a screwdriver, and then the first bracket is unfolded to the first crossbar, the second crossbar, the double-axis telescopic hinge and the single-axis telescopic The hinges are in the same line; then use a screwdriver to loosen all the first and third screws, and push the A-type and B-type vertical rods inward, so that the double-axis telescopic hinge retracts to the first crossbar and the second The inner cavity of the crossbar and the single-axis telescopic hinge retract to the inner cavity of the first crossbar or the second crossbar, and then use a screwdriver to tighten all the first, second and third screws to achieve the fixation of the first bracket structure. Enhance stability; finally, place the second bracket or use bolts to install it above the first bracket, and lay the bottom plate in the second bracket to realize the assembly and reinforcement of the entire shelf. In the present invention, the first bracket adopts the technical means of horizontal folding to reduce the occupancy and enhance the transportation capacity, and at the same time, a biaxial telescopic hinge with reinforcement capability is introduced to enhance the stability and load-bearing capacity of the lower part of the shelf, and the second bracket adopts an on-site The technical means of assembly can reduce the occupancy and enhance the transportation capacity. At the same time, the hidden corner connector as a quick connector is introduced to increase the assembly speed, and finally avoid the problems of cumbersome assembly of the existing shelves and poor stability after deployment. place. At the same time, the invention has the advantages of simple structure, convenient use, low cost, strong compatibility and broad market prospect.

Description of drawings

The application is further described below in conjunction with the accompanying drawings:

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of a first support structure;

3 is a schematic diagram of the folding of the first bracket;

Figure 4 is a top view of the first bracket folded;

FIG. 5 is a top view of the first bracket being unfolded;

Figure 6 is a comparison diagram of the change of the uniaxial telescopic hinge;

FIG. 7 is a schematic structural diagram of a biaxial telescopic hinge;

Figure 8 is a comparison diagram of the change of the biaxial telescopic hinge;

9 is a top view of the second support structure;

FIG. 10 is a schematic structural diagram of an embedded corner connector;

Figure 11 is a schematic diagram of the connection between the support rod and the built-in corner connector;

In the picture: 1-first bracket, 11-pole, 111-type A pole, 112-type B pole, 12-connecting rod, 13-folding link, 131-first crossbar, 1311-first Bar hole, 132-Second cross bar, 1321-Second bar hole, 133-Dual-axis telescopic hinge, 1331-First screw, 1332-Second screw, 134-Single-axis telescopic hinge, 1341-Third screw , 2-Second bracket, 21-Support rod, 211-Through hole, 22-Embedded corner connector, 221-The fourth screw.

Detailed ways

According to the above-mentioned structural features of the application, the embodiments of the application are further described:

1 to 11 , the present embodiment provides a portable high-stability folding shelf, including a first bracket 1 and a second bracket 2 , and the upper surface of the first bracket 1 is connected to the lower bottom surface of the second bracket 2 .

The first bracket 1 includes a vertical rod 11, a connecting rod 12 and a folding link 13; the vertical rod 11 includes at least two A-type vertical rods 111 and at least two B-type vertical rods 112. They are fixedly connected by connecting rods 12, and the two B-type vertical rods 112 are fixedly connected by connecting rods 12; A-type vertical rods 111 and B-type vertical rods 112 are connected by folding connecting rods 13; It includes a first crossbar 131, a second crossbar 132, a biaxial telescopic hinge 133 and a single-axis telescopic hinge 134; the first crossbar 131 and the second crossbar 132 are connected by a biaxial telescopic hinge 133; a single biaxial telescopic hinge 133 They are connected with not less than two first screws 1331 and not less than two second screws 1332 respectively through threads. The first cross bar 131 and the second cross bar 132 are respectively provided with first strip holes 1311, and the third A screw 1331 is respectively located in the first bar-shaped hole 1311 or directly below the first bar-shaped hole 1311; The bottom end of the stud of the screw 1331 is crimped; the first cross bar 131 and the A-type vertical rod 111, the second cross-bar 132 and the B-type vertical rod 112 are respectively connected by a uniaxial telescopic hinge 134; a single uniaxial telescopic hinge 134 is connected with No less than one third screw 1341 is threadedly connected, the first cross bar 131 and the second cross bar 132 are respectively provided with a second bar-shaped hole 1321, and the third screw 1341 is located in the second bar-shaped hole 1321 or in the second bar-shaped hole 1321. Right below the strip hole 1321 ; the first cross bar 131 and the A-type vertical rod 111 , the second horizontal rod 132 and the B-type vertical rod 112 are respectively crimped through the bottom ends of the studs of the third screws 1341 .

The second bracket 2 includes no less than four support rods 21 and no less than four embedded corner connectors 22, and the support rods 211 are connected end to end in a ring or U shape through the embedded corner connectors 22; A single built-in corner connector 22 is connected with no less than two fourth screws 221 through threads; two ends of the single support rod 21 are respectively provided with through holes 211, and the fourth screws 221 are located in the through holes 211 or through holes 211 ; the support rod 21 and the embedded corner connector 22 are respectively crimped through the bottom end of the stud of the fourth screw 221 .

The first cross bar 131 and the second cross bar 132 are all hollow tube structures or partial hollow tube structures at both ends. The support rod 21 is a full hollow tube structure or a partial hollow tube structure at both ends. The first strip hole 1311 and the second strip hole 1321 are all through hole structures. The first screw 1331 , the second screw 1332 , the third screw 1341 and the fourth screw 221 are all headless screws.

Working principle: During transportation, the first bracket 1 is in a folded state (as shown in Figures 3 and 4), and the second bracket 2 is in an unassembled state (that is, all the support rods 21 themselves are not connected, the support rods 21 and the hidden The corner connectors 22 are not connected, and the hidden corner connectors 22 and the fourth screw 221 are not connected), which is convenient for long-distance transportation by reducing the occupancy, and at the same time, it is convenient to carry up and downstairs through stairs/elevators. After arriving at the site of use, first use a screwdriver (or similar tool) to assemble the second bracket 2 into a whole, and then unfold the first bracket 1 to the first cross bar 131, the second cross bar 132, the biaxial telescopic hinge 133 and the single The shaft telescopic hinge 134 is located on the same line (as shown in Figure 2); then use a screwdriver (or similar tools) to loosen all the first screws 1331 and the third screws 1341, and connect the A-type vertical rod 111 to the B-type vertical rod 112 Push inward to retract the biaxial telescopic hinge 133 to the inner cavity of the first crossbar 131 and the second crossbar 132 (as shown in FIG. 8 ), and the uniaxial telescopic hinge 134 to retract to the first crossbar 131 or the second crossbar 132 In the inner cavity of the cross bar 132 (as shown in Figure 6), use a screwdriver (or similar tools) again to tighten all the first screws 1331, the second screws 1332, and the third screws 1341, so as to fix the structure of the first bracket 1 and enhance the stability Finally, place the second bracket 2 or use bolts to install it above the first bracket 1, and lay a bottom plate in the second bracket 2 to realize the assembly and reinforcement of the entire shelf.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for convenience The invention is described and simplified, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and restricted, the terms "arrangement", "installation" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection The connection, or the integral connection, can be a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

To sum up, for those skilled in the art, according to the guidance of the present invention, under the premise of not departing from the principle and spirit of the present invention, changes, modifications, replacements and deformations made to the present invention still fall within the protection of the present invention within the range.

Claims (5)

1. A portable high-stability folding shelf, comprising a first bracket (1) and a second bracket (2), characterized in that: the upper surface of the first bracket (1) is connected with the lower bottom surface of the second bracket (2); A bracket (1) includes a vertical rod (11), a connecting rod (12) and a folding link (13); the vertical rod (11) includes at least two A-type vertical rods (111) and at least two B-type vertical rods ( 112), the two A-type vertical rods (111) are fixedly connected by a connecting rod (12), and the two B-type vertical rods (112) are fixedly connected by a connecting rod (12); A-type vertical rods ( 111) and the B-type vertical rod (112) are connected by a folding link (13); the folding link (13) includes a first transverse rod (131), a second transverse rod (132), and a biaxial telescopic hinge (133) and the uniaxial telescopic hinge (134); the first crossbar (131) and the second crossbar (132) are connected by a biaxial telescopic hinge (133); a single biaxial telescopic hinge (133) is connected with no less than two A first screw (1331) and no less than two second screws (1332) are respectively connected by threads, and a first bar-shaped hole ( 1311), and the first screw (1331) is located in the first strip hole (1311) or just below the first strip hole (1311); the first cross bar (131) and the biaxial telescopic hinge (133), the The two horizontal rods (132) and the biaxial telescopic hinge (133) are respectively crimped through the bottom ends of the studs of the first screws (1331); The rod (132) and the B-type vertical rod (112) are respectively connected by a uniaxial telescopic hinge (134); a single uniaxial telescopic hinge (134) is connected with not less than one third screw (1341) through threads, and the first horizontal The rod (131) and the second transverse rod (132) are respectively provided with a second strip hole (1321), and the third screw (1341) is located in the second strip hole (1321) or the second strip hole (1321) ) directly below; the first crossbar (131) and the A-type vertical rod (111), the second crossbar (132) and the B-type vertical rod (112) are respectively pressed by the bottom ends of the studs of the third screw (1341) The second bracket (2) includes no less than four support rods (21) and no less than four built-in corner connectors (22), and the support rods (211) pass through the built-in corners end-to-end in sequence The connecting piece (22) is connected in a ring or U shape; a single built-in corner connecting piece (22) is connected with not less than two fourth screws (221) through threads; two ends of the single support rod (21) are respectively provided with The through hole (211), the fourth screw (221) is located in the through hole (211) or just below the through hole (211); the support rod (21) and the built-in corner connector (22) pass through the third The bottom end of the stud of the four screws (221) is crimped. 2. The portable high-stability folding shelf according to claim 1, characterized in that: the first crossbar (131) and the second crossbar (132) are all hollow tube structures or partial hollow tube structures at both ends . 3 . The portable high-stability folding shelf according to claim 1 , wherein the support rod ( 21 ) is a full hollow tube structure or a partial hollow tube structure at both ends. 4 . 4. The portable high-stability folding shelf according to claim 1, wherein the first strip hole (1311) and the second strip hole (1321) are all through-hole structures. 5. The portable high-stability folding shelf according to claim 1, wherein the first screw (1331), the second screw (1332), the third screw (1341) and the fourth screw (221) are all For headless screws.

Images