CN218898799U - Metal rack - Google Patents

Abstract

The application relates to a metal rack relates to the technical field of storing frame, including the support body with place the board, be provided with on the support body and remove the wheel, place the board and include first carrier plate and second carrier plate, be provided with stop gear on the support body, stop gear includes rolling plate, sliding rod and spacing subassembly. Opening the limiting assembly, pushing the sliding rod upwards to enable the rotating rod to move upwards, enabling the rotating rod to move upwards to drive the two groups of rotating plates to rotate reversely, enabling the rotating plates to drive the first bearing plate and the second bearing plate to rotate and move upwards to fold; during installation, the sliding rod is pushed downwards, the sliding rod moves downwards to drive the two groups of rotating plates to rotate and mutually approach to each other until the first bearing plate and the second bearing plate are positioned on the same horizontal line, and the locking limiting assembly limits the first bearing plate and the second bearing plate, so that the metal frame is installed and used, the occupied space during storage is reduced by folding the first bearing plate and the second bearing plate, and reassembling is not needed during use, so that the convenience of storage and use of the metal frame is improved.

Description

Metal rack

Technical Field

The application relates to the technical field of storage racks, in particular to a metal rack.

Background

The storage rack is a common household rack for storing articles and mainly comprises a rack body and a placing plate, and is small in size and convenient to use, so that the storage rack is also commonly used in offices, warehouses and other places; the metal rack belongs to one of the storage racks, and is mainly characterized in that the rack body and the placing plate are made of metal materials or metalloid materials, and compared with the common storage rack, the metal rack has better bearing capacity.

The common metal storage rack generally comprises four upright posts and a plurality of layers of placing plates, and in order to facilitate movement, the bottom of part of the metal storage rack is also provided with a moving wheel; when not needing to carry out article and accomodate and depositing, promote whole metal rack to store to storing or warehouse, although the metal storing rack is generally shorter, place in storing or in warehouse still can occupy a part of storing space, and separate stand and place the board and dismantle and accomodate, although can reduce the occupation space of metal rack effectively, need again assemble when using again to the convenience that metal rack accomodates and uses has been reduced.

Disclosure of Invention

In order to improve the convenience that the metal frame accomodates and uses, this application provides the metal frame.

The metal frame provided by the application adopts the following technical scheme:

the utility model provides a metal rack, includes the support body and sets up the board of placing on the support body, place the board and be used for placing article, be provided with the removal wheel of being convenient for remove on the support body, place the board and include first carrier plate and second carrier plate, first carrier plate and second carrier plate all rotate the setting on the support body, be provided with on the support body and be used for carrying out spacing stop gear to first carrier plate and second carrier plate, stop gear includes:

the rotating plates are provided with two groups, and the two groups of rotating plates are respectively arranged on the first bearing plate and the second bearing plate;

the sliding rod is arranged on the frame body in a sliding way, a rotating rod is arranged on the sliding rod, and the two groups of rotating plates are both arranged on the rotating rod in a rotating way and have opposite rotating directions;

the limiting assembly is arranged on the sliding rod, is connected with the rotating plate and is used for limiting the rotating plate.

By adopting the technical scheme, when the metal frame is required to be stored, the limiting assembly is opened, the sliding rod is pushed upwards to enable the rotating rod to move upwards, the rotating rod moves upwards to drive the two groups of rotating plates to rotate reversely, the rotating plates rotate to drive the first bearing plate and the second bearing plate to rotate, and the first bearing plate and the second bearing plate rotate and move upwards to be folded; during installation, the sliding rod is pushed downwards, the sliding rod moves downwards to drive the two groups of rotating plates to rotate and mutually approach to each other until the first bearing plate and the second bearing plate are positioned on the same horizontal line, and then the locking limiting assembly limits the first bearing plate and the second bearing plate, so that the installation and the use of the storage of the metal rack are realized, the occupied space during the storage is reduced by folding the first bearing plate and the second bearing plate, and the reassembling is not needed during the use, so that the convenience of the storage and the use of the metal rack is improved.

Optionally, the limiting assembly includes:

the limiting rod is arranged on the sliding rod in a sliding manner;

the limiting plate is arranged on the limiting rod and is abutted against the two groups of rotating plates;

the limiting screw is in threaded connection with the limiting rod and abuts against the sliding rod to limit.

Through adopting above-mentioned technical scheme, rotate stop nut and keep away from the slide bar, the pulling stop lever moves on the slide bar, make the limiting plate break away from the rotating plate, then promote the slide bar and accomodate first carrier plate and second carrier plate, during the installation, push down the slide bar and make first carrier plate and second carrier plate be located same horizon, then promote the stop lever and make the limiting plate support tightly on the rotating plate, rotate stop nut and support two rotating plate junctions through the limiting plate and support, cooperate stop nut to carry out spacing to first carrier plate and second carrier plate simultaneously, thereby the convenience and the stability that carry out spacing to first carrier plate and second carrier plate have been improved, consequently, the convenience that the metal frame was accomodate and use has been improved.

Optionally, be provided with the bottom plate that is used for placing article on the support body, the bottom plate includes first loading board and second loading board, first loading board and second loading board all rotate the setting on the support body and are located first loading board and second loading board below, be provided with the link gear that is used for driving first loading board and first loading board linkage on the pole that slides.

Through adopting above-mentioned technical scheme, the bottom plate increases the space of placing articles to improve the space utilization of metal frame, when needs accomodate the metal frame, the actuating mechanism starts to drive first loading board and first loading board linkage, thereby realizes promoting the pole that slides can carry out folding effect together placing board and bottom plate, thereby has improved the convenience that the metal frame accomodates and use.

Optionally, the linkage mechanism includes:

the sliding sleeve is arranged on the sliding rod in a sliding way;

the two linkage rods are both rotatably arranged on the sliding sleeve, and are respectively and rotatably connected with the two groups of rotating plates;

the connecting rod is arranged on the sliding rod, and the first bearing plate and the second bearing plate are both rotatably arranged on the connecting rod and have opposite rotation directions;

the positioning assembly is arranged on the sliding rod and is connected with the first bearing plate and the second bearing plate.

Through adopting above-mentioned technical scheme, open locating component, promote the sliding rod and shift up, the sliding rod removes and drives the connecting rod and shift up, the connecting rod shifts up and drives first loading board and second loading board and rotate and fold, sliding rod shifts up simultaneously and drives first loading board and second loading board rotation, first loading board and second loading board rotate and drive two sets of rotating plates, two sets of rotating plates counter rotations drive two gangbars and rotate, two gangbars rotate and drive the sleeve that slides on the sliding rod, thereby carry out spacingly to the position of first loading board and second loading board storage in-process, drive first loading board and second loading board together through the connecting rod simultaneously and accomodate, reverse operation can open the use, thereby the convenience that the metal frame was accomodate and use has been improved.

Optionally, the positioning assembly includes:

the positioning rod is arranged on the sliding rod;

the positioning plate is arranged on the positioning rod in a sliding manner and is abutted against the first bearing plate and the second bearing plate;

the positioning nut is in threaded connection with the positioning rod and abuts against the positioning plate to position.

By adopting the technical scheme, the positioning nut is rotated to be far away from the sliding rod, the positioning plate is pulled to be separated from the first bearing plate and the second bearing plate, and then the sliding rod is pushed to enable the first bearing plate and the second bearing plate to be folded, and meanwhile the first bearing plate and the second bearing plate are folded; during installation, pushing down the sliding rod makes first loading board and second loading board rotate and be close to, until first loading board and second loading board are located same horizon, promote the locating plate and support tightly on first loading board and second loading board, rotate the locating nut and support tightly and fix a position on the locating plate, support first loading board and second loading board through the locating plate, cooperate locating nut to carry out spacing to first loading board and second loading board simultaneously, thereby improved carry out spacing convenience and stability to first loading board and second loading board, consequently improved the convenience that the metal frame was accomodate and was used.

Optionally, the last handrail that is provided with of frame body through coupling assembling dismantlement, coupling assembling includes:

the inserting pipe is arranged on the handrail and is inserted and arranged on the frame body;

the connecting screw rod penetrates through the insertion tube and the frame body;

the connecting nut is in threaded connection with the connecting screw rod and abuts against the frame body.

By adopting the technical scheme, the connecting nut is rotated to be separated from the connecting screw rod, the connecting screw rod is taken down, the insertion pipe is stirred to be separated from the frame body, and then the handrail can be taken down, so that the occupied space of the metal frame is reduced, when the handrail is needed, the insertion pipe is inserted and installed on the frame body, the connecting screw rod passes through the insertion pipe and the frame body, and the connecting nut is rotated to be abutted against the frame body for positioning; therefore, the disassembly, replacement, installation and positioning of the armrests are realized, and the convenience of storage and use of the metal frame is improved.

Optionally, a rubber sleeve for anti-collision is sleeved on the frame body.

By adopting the technical scheme, the rubber sleeve coats the corners of the frame body, so that the anti-collision performance of the metal frame is improved; and protects the user.

Optionally, the frame body is provided with the universal wheel that has the brake, the universal wheel is located the side that the sliding rod was kept away from the removal wheel with handrail homonymy.

Through adopting above-mentioned technical scheme, the universal wheel is convenient for adjust the direction of movement of metal frame, has the brake simultaneously, can park in arbitrary place to the convenience that the metal frame used has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

when the metal frame is required to be stored, the limiting assembly is opened, the sliding rod is pushed upwards to enable the rotating rod to move upwards, the rotating rod moves upwards to drive the two groups of rotating plates to rotate reversely, the rotating plates rotate to drive the first bearing plate and the second bearing plate to rotate, and the first bearing plate and the second bearing plate rotate and move upwards to be folded; during installation, the sliding rod is pushed downwards, the sliding rod moves downwards to drive the two groups of rotating plates to rotate and mutually approach to each other until the first bearing plate and the second bearing plate are positioned on the same horizontal line, and then the locking limiting assembly limits the first bearing plate and the second bearing plate, so that the installation and the use of the storage of the metal rack are realized, the occupied space during the storage is reduced by folding the first bearing plate and the second bearing plate, and the reassembling is not needed during the use, so that the convenience of the storage and the use of the metal rack is improved.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is an exploded view of the connection assembly of the present application with one of the shelves hidden;

fig. 3 is an exploded view of the spacing mechanism and linkage mechanism of the present application.

Reference numerals: 1. a frame body; 11. placing a plate; 111. a first carrier plate; 112. a second carrier plate; 12. a moving wheel; 13. a universal wheel; 14. a support rod; 15. a fixed rod; 16. a bottom plate; 161. a first bearing plate; 162. a second bearing plate; 17. a rubber sleeve; 18. an armrest; 2. a limiting mechanism; 21. a rotating plate; 211. a horizontal portion; 212. a vertical portion; 213. a first link; 22. a sliding rod; 221. a rotating lever; 23. a limit component; 231. a limit rod; 232. a limiting plate; 233. a limit nut; 3. a connection assembly; 31. a connecting pipe is inserted; 32. a connecting screw; 33. a coupling nut; 4. a linkage mechanism; 41. a slipping sleeve; 42. a linkage rod; 43. a connecting rod; 431. a second link; 44. a positioning assembly; 441. a positioning rod; 442. a positioning plate; 443. positioning a nut; 444. a connection part; 445. and a positioning part.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a metal frame.

Referring to fig. 1 and 2, the metal rack comprises a rack body 1 and a placing plate 11 arranged on the rack body 1, wherein the placing plate 11 is used for placing articles, the rack body 1 is provided with a plurality of four, four rack bodies 1 are vertical and parallel to each other in the embodiment of the application, a movable wheel 12 and a universal wheel 13 which are convenient to move are arranged at the bottom end of the rack body 1, two movable wheels 12 and universal wheels 13 are arranged, and the universal wheel 13 is provided with a brake; the placing plate 11 comprises a first bearing plate 111 and a second bearing plate 112, the first bearing plate 111 and the second bearing plate 112 are both rotatably arranged on the frame body 1, and a limiting mechanism 2 for limiting the first bearing plate 111 and the second bearing plate 112 is arranged on the frame body 1.

Referring to fig. 1 and 2, two horizontal support rods 14 are fixedly mounted on opposite side walls of two adjacent frame bodies 1, the two support rods 14 are vertically spaced and parallel to each other, two horizontal fixing rods 15 are fixedly mounted on opposite side walls of the other two frame bodies 1, the two fixing rods 15 are vertically spaced and parallel to each other, the support rods 14 are parallel to the length direction of the fixing rods 15, and two movable wheels 12 are rotatably mounted on the lower surface of the frame body 1 and positioned below the fixing rods 15; two universal wheels 13 are rotatably mounted on the lower surface of the frame body 1 below the other fixed rod 15.

Referring to fig. 1 and 2, the first carrier plate 111 is rotatably mounted on the support bar 14 above the universal wheel 13, the second carrier plate 112 is rotatably mounted on the support bar 14 above the wheel 12, and the rotation directions of the first and second carrier plates 111 and 112 are opposite.

Referring to fig. 1 and 2, a base plate 16 for placing articles is provided on a frame body 1, the base plate 16 includes a first bearing plate 161 and a second bearing plate 162, the first bearing plate 161 and the second bearing plate 162 are positioned below the first bearing plate 111 and the second bearing plate 112, the first bearing plate 161 is rotatably mounted on a fixing lever 15 positioned above a universal wheel 13, the second bearing plate 162 is rotatably mounted on a fixing lever 15 positioned above a moving wheel 12, and the rotation directions of the first bearing plate 161 and the second bearing plate 162 are opposite.

Referring to fig. 1 and 2, the top ends of the frame bodies 1 are in an open state, and rubber sleeves 17 for anti-collision are sleeved on the two frame bodies 1 above the moving wheel 12; two frame bodies 1 above the universal wheels 13 are detachably provided with armrests 18 through connecting assemblies 3, and the connecting assemblies 3 are provided with two connecting assemblies and are respectively positioned at two ends of the armrests 18, and only one connecting assembly 3 is taken as an example for illustration.

Referring to fig. 1 and 2, the connection assembly 3 includes a socket pipe 31, a connection screw 32 and a connection nut 33, the socket pipe 31 is fixedly installed on the lower surface of the armrest 18, and the socket pipe 31 is inserted and installed at the top end opening of the frame body 1; the connecting screw rod 32 horizontally penetrates through the frame body 1 and the plug-in pipe 31; the connecting nut 33 is screwed on the connecting screw 32 and abuts against the outer side wall of the frame body 1 for positioning.

Referring to fig. 1 and 2, the limiting mechanism 2 is provided with two sets and is respectively located at two sides of the first carrier plate 111, and the following description will be given by taking only one limiting mechanism 2 as an example. The limiting mechanism 2 includes a rotating plate 21, a sliding rod 22 and a limiting component 23, the rotating plate 21 is provided with two groups, the two groups of rotating plates 21 are respectively located on the first bearing plate 111 and the second bearing plate 112, the two groups of rotating plates 21 have the same structure, and the rotating plates 21 located on the first bearing plate 111 are taken as an example for illustration.

Referring to fig. 2 and 3, the rotating plate 21 includes a horizontal portion 211 and a vertical portion 212 integrally provided together, the horizontal portion 211 is fixedly installed on a lower surface of the first carrier plate 111 on a side far from the armrest 18, the horizontal portion 211 is in a horizontal state, the vertical portion 212 is located on an outer sidewall of the horizontal portion 211, and the vertical portion 212 is fixedly installed on an outer sidewall of the first carrier plate 111 on a side far from the armrest 18; a first link 213 is rotatably mounted on the lower surface of both horizontal portions 211.

Referring to fig. 2 and 3, the sliding rod 22 is vertically slidably disposed on the frame 1 and located at the connection portion between the first support plate 111 and the second support plate 112, a horizontal rotating rod 221 is fixedly mounted on the outer side wall of the sliding rod 22, which is close to the two vertical portions 212, two first connecting rods 213 are rotatably mounted on the rotating rod 221, and the rotation directions of the two first connecting rods 213 are opposite.

Referring to fig. 2 and 3, a limiting assembly 23 is disposed on the sliding rod 22 and connected with the rotating plate 21 and used for limiting the rotating plate 21, the limiting assembly 23 comprises a limiting rod 231, a limiting plate 232 and a limiting nut 233, the limiting rod 231 horizontally slides through the sliding rod 22, and the limiting rod 231 is located above the rotating rod 221; the limiting plate 232 is fixedly arranged on the outer side wall of the limiting rod 231, which is close to the first bearing plate 111, and the limiting plate 232 is in a vertical state, and a horizontal clamping groove is formed in the outer side wall of the limiting plate 232, which is close to the first bearing plate 111; the inner side wall of the clamping groove is abutted against the outer side wall of one end of the two groups of rotating plates 21, which are close to each other.

Referring to fig. 2 and 3, the limit nut 233 is screwed on the limit rod 231 and abuts against the outer side wall of the sliding rod 22 facing away from the limit plate 232; the rotation limit nut 233 is far away from the sliding rod 22, the limit rod 231 is pulled to move on the sliding rod 22, the limit plate 232 is separated from the rotating plate 21, then the sliding rod 22 is pushed to store the first support plate 111 and the second support plate 112, during installation, the sliding rod 22 is pushed down, the first support plate 111 and the second support plate 112 are located on the same horizontal line, then the limit rod 231 is pushed to enable the limit plate 232 to be abutted against the rotating plate 21, the rotation limit nut 233 is abutted against the sliding rod 22 to be positioned, and the limit plate 232 is matched with the limit nut 233 to limit the first support plate 111 and the second support plate 112, so that convenience in storing and using of the metal frame is improved.

Referring to fig. 2 and 3, a linkage mechanism 4 for driving the first bearing plate 161 and the first bearing plate 111 to link is arranged on the sliding rod 22, the linkage mechanism 4 comprises a sliding sleeve 41, two linkage rods 42, a connecting rod 43 and a positioning assembly 44, the sliding sleeve 41 is vertically sleeved on the sliding rod 22 in a sliding manner, the two linkage rods 42 are rotatably installed on the sliding sleeve 41, the two linkage rods 42 are located on two sides of the sliding rod 22, and one ends, away from the sliding sleeve 41, of the two linkage rods 42 are rotatably installed on the outer side walls of the two vertical portions 212 respectively.

Referring to fig. 2 and 3, the connection rod 43 is horizontally and fixedly installed on an outer sidewall of the sliding rod 22 near the first bearing plate 161, and two second connection rods 431 are rotatably installed on the connection rod 43, and the first bearing plate 161 and the second bearing plate 162 are rotatably installed at one ends of the two second connection rods 431 facing away from the connection rod 43, respectively.

Referring to fig. 2 and 3, the positioning assembly 44 is disposed on the sliding rod 22 and connected with the first and second bearing plates 161 and 162, the positioning assembly 44 includes a positioning rod 441, a positioning plate 442 and a positioning nut 443, and the positioning rod 441 is horizontally and fixedly mounted on an outer sidewall of the sliding rod 22 facing away from the connecting rod 43; the positioning plate 442 comprises a connecting part 444 and two positioning parts 445 which are integrally arranged together, the projection of the connecting part 444 in the vertical direction is U-shaped, the connecting part 444 is horizontally slidably arranged on the positioning rod 441, the two positioning parts 445 are positioned at two ends of the connecting part 444, and the two positioning parts 445 respectively abut against the outer side walls of the first bearing plate 161 and the second bearing plate 162; the positioning nut 443 is screwed onto the positioning rod 441 and is positioned against the outer sidewall of the positioning plate 442.

Referring to fig. 2 and 3, the positioning nut 443 is rotated away from the connection rod 43, the positioning plate 442 is moved to be separated from the first and second carrier plates 161 and 162, and then the sliding rod 22 is pushed to fold the first and second carrier plates 161 and 162 while the first and second carrier plates 111 and 112 are folded.

Referring to fig. 2 and 3, when in installation, the sliding rod 22 is pressed down to enable the first bearing plate 161 and the second bearing plate 162 to rotate and approach until the first bearing plate 161 and the second bearing plate 162 are positioned on the same horizontal line, the positioning plate 442 is pushed to be abutted against the first bearing plate 161 and the second bearing plate 162, the rotating positioning nut 443 is abutted against the connecting part 444 to position, the first bearing plate 161 and the second bearing plate 162 are supported through the positioning plate 442, and meanwhile, the first bearing plate 161 and the second bearing plate 162 are limited by matching with the positioning nut 443, so that convenience and stability in limiting the first bearing plate 161 and the second bearing plate 162 are improved, and convenience in accommodating and using the metal frame is improved.

The working principle of the embodiment of the application is as follows:

during installation, the sliding rod 22 is pressed down to enable the first bearing plate 111 and the second bearing plate 112 to rotate relatively and move downwards, meanwhile, the first bearing plate 161 and the second bearing plate 162 also rotate relatively and move downwards until the first bearing plate 111 and the second bearing plate 112 are positioned on the same horizontal line, meanwhile, the first bearing plate 161 and the second bearing plate 162 are positioned on the same horizontal line, the rotating limiting nut 233 is abutted against the outer side wall of the sliding rod 22 to be positioned, then the rotating limiting nut 443 is abutted against the side wall of the positioning plate 442 to be positioned, then the inserting pipe 31 is inserted and installed on the frame body 1, the rotating connecting nut 33 is abutted against the frame body 1 to be positioned, the handrail 18 is installed to push the handrail 18 to enable the metal frame to move to a proper position, the metal frame can be stored in a reverse operation mode, the occupied space during storage is reduced through folding the first bearing plate 111, the second bearing plate 112, the first bearing plate 161 and the second bearing plate 162, and during use, convenience in storage and use is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a metal rack, includes support body (1) and sets up place board (11) on support body (1), place board (11) and be used for placing article, be provided with the removal wheel (12) of being convenient for remove on support body (1), its characterized in that: place board (11) including first carrier plate (111) and second carrier plate (112), first carrier plate (111) and second carrier plate (112) all rotate and set up on support body (1), be provided with on support body (1) and be used for carrying out spacing stop gear (2) to first carrier plate (111) and second carrier plate (112), stop gear (2) include:

the rotating plates (21) are arranged in two groups, and the two groups of rotating plates (21) are respectively arranged on the first bearing plate (111) and the second bearing plate (112);

the sliding rod (22) is arranged on the frame body (1) in a sliding manner, the sliding rod (22) is provided with a rotating rod (221), and the two groups of rotating plates (21) are both arranged on the rotating rod (221) in a rotating manner and have opposite rotating directions;

the limiting assembly (23) is arranged on the sliding rod (22) and connected with the rotating plate (21) and used for limiting the rotating plate (21).

2. A metal holder according to claim 1, wherein: the limit assembly (23) comprises:

the limiting rod (231) is arranged on the sliding rod (22) in a sliding way;

the limiting plates (232) are arranged on the limiting rods (231) and are abutted against the two groups of rotating plates (21);

and the limit screw is in threaded connection with the limit rod (231) and abuts against the sliding rod (22) to limit.

3. A metal holder according to claim 1, wherein: be provided with bottom plate (16) that are used for placing article on support body (1), bottom plate (16) are including first loading board (161) and second loading board (162), first loading board (161) and second loading board (162) all rotate setting on support body (1) and are located first loading board (111) and second loading board (112) below, be provided with on slide bar (22) and be used for driving link gear (4) of first loading board (161) and first loading board (111) linkage.

4. A metal holder according to claim 3, wherein: the linkage mechanism (4) comprises:

a sliding sleeve (41), wherein the sliding sleeve (41) is arranged on the sliding rod (22) in a sliding way;

the two linkage rods (42), the two linkage rods (42) are both rotatably arranged on the sliding sleeve (41), and the two linkage rods (42) are respectively rotatably connected with the two groups of rotating plates (21);

the connecting rod (43), the connecting rod (43) is arranged on the sliding rod (22), and the first bearing plate (161) and the second bearing plate (162) are both rotatably arranged on the connecting rod (43) and have opposite rotation directions;

and the positioning assembly (44) is arranged on the sliding rod (22) and is connected with the first bearing plate (161) and the second bearing plate (162).

5. The metal shelf of claim 4, wherein: the positioning assembly (44) includes:

a positioning rod (441), the positioning rod (441) being arranged on the sliding rod (22);

a positioning plate (442), wherein the positioning plate (442) is slidably arranged on the positioning rod (441) and is abutted against the first bearing plate (161) and the second bearing plate (162);

and the positioning nut (443) is in threaded connection with the positioning rod (441) and abuts against the positioning plate (442) for positioning.

6. A metal holder according to claim 1, wherein: the handrail (18) is arranged on the frame body (1) in a detachable mode through the connecting component (3), and the connecting component (3) comprises:

the inserting pipe (31) is arranged on the handrail (18) and is inserted and arranged on the frame body (1);

the connecting screw rod (32), the connecting screw rod (32) passes through the insertion tube (31) and the frame body (1);

the connecting nut (33) is in threaded connection with the connecting screw rod (32) and abuts against the frame body (1).

7. A metal holder according to claim 1, wherein: the frame body (1) is sleeved with a rubber sleeve (17) for preventing collision.

8. The metal shelf of claim 6, wherein: the frame body (1) is provided with a universal wheel (13) with a brake, and the universal wheel (13) and the handrail (18) are arranged on the same side and are positioned on one side of the sliding rod (22) away from the movable wheel (12).

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