An assembled metal shelf that is easy to transport

Abstract

The utility model discloses an assembled metal shelf which is easy to transport and belongs to the technical field of metal shelves. The main points of the technical solution include a first support frame, a second support frame is arranged on the right side of the first support frame, and connecting strips are arranged on the top and bottom between the first support frame and the second support frame. The top and bottom of the right side of the first support frame and the top and bottom of the left side of the second support frame are fixedly connected with a first support block used in conjunction with the connecting strip. A clamping groove used in conjunction with the connecting strip is provided on the top of the first support block, and both sides of the surface of the connecting strip are respectively clamped with the inner wall of the clamping groove, and a fixing component used in conjunction with the connecting strip is fixedly connected to the front side of the clamping block, which solves the problem that most of the existing assembled metal shelves are not convenient for disassembly and assembly, and are usually assembled and fixed by multiple bolts. The bolt disassembly and assembly are troublesome, which will consume a lot of time and bring inconvenience to users.

Description

Technical Field

[0001] The utility model relates to the technical field of metal shelves, in particular to an assembled metal shelf which is convenient for transportation. Background Art

[0002] As the name suggests, metal shelves are a kind of racks made of metal for placing items, and their main function is to display and store items. Shelves are widely used and can be seen in shopping malls, factories, homes and other places.

[0003] At present, there is a Chinese patent with announcement number CN215323881U. This utility model discloses an assembled metal shelf that is easy to transport and carry, including a first assembled metal shelf and a second assembled metal shelf. The first assembled metal shelf is installed on the top of the second assembled metal shelf by being inlaid and connected with an assembly slide groove. In this utility model, the original overall metal shelf is set as two parts, a first assembled metal shelf and a second assembled metal shelf, and the first assembled metal shelf and the second assembled metal shelf are connected and installed by an assembly slide groove. In this way, an assembled structure can be formed. During the carrying process, the overall metal shelf can be split into two parts for carrying, which can save twice the space. The two split shelves can be folded and contracted by a folding frame, which can save twice the space again. A total of four times the space can be saved, so that the metal shelf can be folded to the smallest state, which saves space during transportation.

[0004] Metal shelves are generally divided into welded integrated type and assembled type. In order to facilitate transportation, assembled metal shelves are usually used. Most of the existing assembled metal shelves are not easy to disassemble and assemble. They are usually assembled and fixed with multiple bolts. The bolts are troublesome to disassemble and assemble, which will take a lot of time and bring inconvenience to users. Utility Model Content

[0005] The utility model provides an assembled metal shelf which is easy to transport, aiming to solve the problem that most of the existing assembled metal shelves are difficult to assemble and disassemble, and are usually assembled and fixed by a plurality of bolts, which are troublesome to assemble and disassemble, and will consume a lot of time, causing inconvenience to users.

[0006] The utility model is implemented as follows: an assembled metal shelf that is easy to transport, comprising a first support frame, a second support frame is arranged on the right side of the first support frame, a connecting strip is arranged on the top and bottom between the first support frame and the second support frame, the top and bottom of the right side of the first support frame and the top and bottom of the left side of the second support frame are fixedly connected with a first support block used in conjunction with the connecting strip, a first clamping groove used in conjunction with the connecting strip is opened on the top of the first support block, both sides of the surface of the connecting strip are respectively clamped with the inner wall of the first clamping groove, a fixing component used in conjunction with the connecting strip is fixedly connected to the front side of the first support block, fixing holes are opened on both sides of the front side of the connecting strip, a placement plate is arranged between the first support frame and the second support frame, a second support block used in conjunction with the placement plate is fixedly connected on the right side of the first support frame and the left side of the second support frame, a second clamping groove used in conjunction with the placement plate is opened on the top of the second support block, both sides of the surface of the placement plate are respectively clamped with the inner wall of the second clamping groove, and the front and rear sides of the right side of the first support frame and the front and rear sides of the left side of the second support frame are fixedly connected with positioning support components;

[0007] The fixing assembly comprises a support plate, a first fixing plate, a second fixing plate, a pull ring, a fixing rod, a spring, a limit plate, a positioning block and a positioning strip, the rear side of the support plate is fixedly connected to the bottom of the front side of the first supporting block, the bottom of the first fixing plate is fixedly connected to the front side of the top of the supporting plate, the bottom of the second fixing plate is fixedly connected to the rear side of the top of the supporting plate, the front side of the fixing rod is fixedly connected to the rear side of the pull ring, the rear side of the fixing rod sequentially passes through the first fixing plate, the second fixing plate and the first supporting block and extends to the inner cavity of the fixing hole, the spring and the limit plate are sequentially sleeved on the surface of the fixing rod, the front side of the spring contacts the rear side of the first fixing plate, the rear side of the spring contacts the front side of the limit plate, the inner wall of the limit plate is fixedly connected to the surface of the fixing rod, the rear side of the limit plate contacts the front side of the second fixing plate, the rear side of the positioning block is fixedly connected to the top of the front side of the first fixing plate, and the right side of the positioning strip is fixedly connected to the front side of the left side of the fixing rod.

[0008] In order to achieve the effect of increasing the supporting stability of the first support frame and the second support frame, as a preferred assembled metal shelf that is easy to transport according to the utility model, the positioning support assembly includes a fixed block, a turning handle, a threaded rod and a support ring, the fixed block is fixedly connected to the first support frame and the second support frame on one side close to the first support frame and the second support frame respectively, the top of the threaded rod is fixedly connected to the bottom of the turning handle, the bottom of the threaded rod passes through the bottom of the fixed block, the surface of the threaded rod is connected to the inner wall of the fixed block by a thread, and the top of the support ring is fixedly connected to the bottom of the threaded rod.

[0009] In order to facilitate the adjustment of the placement position of the device, as a preferred assembled metal shelf for easy transportation of the utility model, the front and rear sides of the bottom of the first support frame and the front and rear sides of the bottom of the second support frame are fixedly connected with universal wheels.

[0010] In order to increase the supporting stability of the second support block, as a preferred assembled metal shelf that is easy to transport according to the utility model, the front and rear sides of the bottom of the second support block are fixedly connected with reinforcing ribs, and the reinforcing ribs are fixedly connected to the first support frame and the second support frame on one side respectively close to the first support frame and the second support frame.

[0011] In order to achieve the effect of installing multiple placement plates, as an assembled metal shelf that is easy to transport, the number of the second support blocks is eight, and four are grouped together and evenly distributed on the right side of the first support frame and the left side of the second support frame.

[0012] In order to achieve the effect of allowing the fixing rod to be easily moved forward and backward, as a preferred assembled metal shelf that is easy to transport in the utility model, the front sides of the first fixing plate and the second fixing plate are each provided with a first through hole used in conjunction with the fixing rod, and the surface of the fixing rod is slidably connected to the inner wall of the first through hole.

[0013] In order to achieve the effect of allowing the fixing rod to pass through the first support block and enter the inner cavity of the fixing hole to fix the connecting strip, as a preferred assembled metal shelf that is easy to transport in the utility model, a second through hole is opened on the front side of the first support block for use with the fixing rod, and the surface of the fixing rod is slidably connected to the inner wall of the second through hole.

[0014] In order to increase the friction between the support ring and the ground so that the first support frame and the second support frame will not move, as a preferred assembled metal shelf that is easy to transport in the utility model, the bottom of the support ring is fixedly connected with an anti-slip pad, and the bottom of the anti-slip pad is provided with anti-slip bumps.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The assembled metal shelf which is easy to transport is provided with a first support frame, a second support frame, a connecting strip, a first support block, a first clamping groove, a fixing component, a fixing hole, a placement plate, a second support block, a second clamping groove and a positioning support component. When in use, the fixing component is first adjusted to move out of the inner cavity of the first clamping groove so that the fixing component does not hinder the installation of the connecting strip. Then, the first support frame and the second support frame are placed to a suitable spacing, and then the two ends of the connecting strip are respectively clamped in the first clamping groove of the first support block. Then, the fixing component is adjusted so that the fixing component fixes the position of the connecting strip through the fixing hole, thereby achieving the effect of connecting and fixing the first support frame and the second support frame through the connecting strip. Then, the placement plate is installed on the top of the second support block, so that the two ends of the placement plate are respectively clamped in the second clamping groove, thereby completing the assembly of the assembled metal shelf. The reverse operation can be disassembled, and the operation is relatively simple, thereby achieving the effect of the assembled metal shelf being easy to disassemble and assemble. In addition, the supporting stability of the first support frame and the second support frame can be increased by adjusting the positioning support component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structure diagram of the assembled metal shelf that is easy to transport according to the utility model;

[0018] Figure 2 This is a disassembled structural diagram of the connecting strip, the first supporting block and the fixing assembly in the utility model;

[0019] Figure 3 This is a structural diagram of the support plate, the first fixing plate and the second fixing plate in the utility model;

[0020] Figure 4 This is a disassembled structural diagram of the placement plate and the second support block in the utility model;

[0021] Figure 5 This is a structural diagram of the positioning support assembly in the utility model.

[0022] In the figure, 1, first support frame; 2, second support frame; 3, connecting strip; 4, first support block; 5, first clamping groove; 6, fixing assembly; 601, support plate; 602, first fixing plate; 603, second fixing plate; 604, pull ring; 605, fixing rod; 606, spring; 607, limit plate; 608, positioning block; 609, positioning strip; 7, fixing hole; 8, placement plate; 9, second support block; 10, second clamping groove; 11, positioning support assembly; 1101, fixing block; 1102, turning handle; 1103, threaded rod; 1104, support ring; 12, universal wheel; 13, reinforcing rib; 14, first through hole; 15, second through hole; 16, anti-slip pad. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: an assembled metal shelf that is easy to transport, including a first support frame 1, a second support frame 2 is arranged on the right side of the first support frame 1, and a connecting strip 3 is arranged on the top and bottom between the first support frame 1 and the second support frame 2. The top and bottom of the right side of the first support frame 1 and the top and bottom of the left side of the second support frame 2 are fixedly connected with a first support block 4 used in conjunction with the connecting strip 3. The top of the first support block 4 is provided with a first clamping groove 5 used in conjunction with the connecting strip 3. Both sides of the surface of the connecting strip 3 are clamped with the inner wall of the first clamping groove 5 respectively. The front side of the first support block 4 is fixedly connected with the first support block 4. A fixing assembly 6 for use with the connecting strip 3 is fixedly connected, fixing holes 7 are provided on both sides of the front side of the connecting strip 3, a placement plate 8 is provided between the first support frame 1 and the second support frame 2, a second support block 9 for use with the placement plate 8 is fixedly connected to the right side of the first support frame 1 and the left side of the second support frame 2, a second clamping groove 10 for use with the placement plate 8 is provided on the top of the second support block 9, both sides of the surface of the placement plate 8 are clamped with the inner wall of the second clamping groove 10 respectively, and the front and rear sides of the right side of the first support frame 1 and the front and rear sides of the left side of the second support frame 2 are fixedly connected with a positioning support assembly 11;

[0026] The fixing assembly 6 includes a support plate 601, a first fixing plate 602, a second fixing plate 603, a pull ring 604, a fixing rod 605, a spring 606, a limit plate 607, a positioning block 608 and a positioning strip 609. The rear side of the support plate 601 is fixedly connected to the bottom of the front side of the first support block 4, the bottom of the first fixing plate 602 is fixedly connected to the front side of the top of the support plate 601, the bottom of the second fixing plate 603 is fixedly connected to the rear side of the top of the support plate 601, the front side of the fixing rod 605 is fixedly connected to the rear side of the pull ring 604, and the rear side of the fixing rod 605 passes through the first fixing plate 602, the second fixing plate 603 and the rear side of the fixing rod 605 in sequence. The second fixing plates 603 and the first supporting block 4 extend to the inner cavity of the fixing hole 7, the spring 606 and the limiting plate 607 are sequentially sleeved on the surface of the fixing rod 605, the front side of the spring 606 contacts the rear side of the first fixing plate 602, the rear side of the spring 606 contacts the front side of the limiting plate 607, the inner wall of the limiting plate 607 is fixedly connected to the surface of the fixing rod 605, the rear side of the limiting plate 607 contacts the front side of the second fixing plate 603, the rear side of the positioning block 608 is fixedly connected to the top of the front side of the first fixing plate 602, and the right side of the positioning strip 609 is fixedly connected to the front side of the left side of the fixing rod 605.

[0027] In this embodiment: by setting the first support frame 1, the second support frame 2, the connecting strip 3, the first support block 4, the first clamping groove 5, the fixing component 6, the fixing hole 7, the placement plate 8, the second support block 9, the second clamping groove 10 and the positioning support component 11, when in use, first adjust the fixing component 6 to move out of the inner cavity of the first clamping groove 5 so that the fixing component 6 does not hinder the installation of the connecting strip 3, and then place the first support frame 1 and the second support frame 2 to a suitable spacing, and then clamp the two ends of the connecting strip 3 in the first clamping groove 5 of the first support block 4 respectively, and then adjust the fixing component 6 so that The fixing component 6 fixes the position of the connecting strip 3 through the fixing hole 7, thereby achieving the effect of connecting and fixing the first support frame 1 and the second support frame 2 through the connecting strip 3, and then the placement plate 8 is installed on the top of the second support block 9, so that the two ends of the placement plate 8 are respectively clamped in the second clamping groove 10, thereby completing the assembly of the assembled metal shelf, and the reverse operation can be used for disassembly, and the operation is relatively simple, thereby achieving the effect of easy disassembly and assembly of the assembled metal shelf, and the support stability of the first support frame 1 and the second support frame 2 can be increased by adjusting the positioning support component 11.

[0028] As a technical optimization solution of the utility model, the positioning support assembly 11 includes a fixed block 1101, a turning handle 1102, a threaded rod 1103 and a support ring 1104. The fixed block 1101 is fixedly connected to the first support frame 1 and the second support frame 2 on one side close to the first support frame 1 and the second support frame 2 respectively, the top of the threaded rod 1103 is fixedly connected to the bottom of the turning handle 1102, the bottom of the threaded rod 1103 passes through the bottom of the fixed block 1101, the surface of the threaded rod 1103 is connected to the inner wall of the fixed block 1101 by threads, and the top of the support ring 1104 is fixedly connected to the bottom of the threaded rod 1103.

[0029] In this embodiment: by setting a fixed block 1101, a turning handle 1102, a threaded rod 1103 and a support ring 1104, when in use, by turning the turning handle 1102, the turning handle 1102 drives the threaded rod 1103 to rotate in the inner cavity of the fixed block 1101 and move through the thread, and the threaded rod 1103 drives the support ring 1104 to move, so that the support ring 1104 contacts the ground, thereby achieving the effect of increasing the support stability of the first support frame 1 and the second support frame 2.

[0030] As a technical optimization solution of the present invention, the front side and the rear side of the bottom of the first support frame 1 and the front side and the rear side of the bottom of the second support frame 2 are fixedly connected with universal wheels 12 .

[0031] In this embodiment, by providing the universal wheels 12, the position of the device can be easily adjusted.

[0032] As a technical optimization solution of the utility model, the front and rear sides of the bottom of the second support block 9 are fixedly connected with reinforcing ribs 13, and the reinforcing ribs 13 are fixedly connected to the first support frame 1 and the second support frame 2 on one side respectively close to the first support frame 1 and the second support frame 2.

[0033] In this embodiment, by providing the reinforcing ribs 13 , the supporting stability of the second supporting block 9 can be increased.

[0034] As a technical optimization solution of the present invention, the number of the second support blocks 9 is eight, and four are grouped together and evenly distributed on the right side of the first support frame 1 and the left side of the second support frame 2 .

[0035] In this embodiment, a plurality of second supporting blocks 9 are provided so that a plurality of placement plates 8 can be installed.

[0036] As a technical optimization solution of the utility model, the front sides of the first fixing plate 602 and the second fixing plate 603 are both provided with a first through hole 14 used in conjunction with the fixing rod 605 , and the surface of the fixing rod 605 is slidably connected to the inner wall of the first through hole 14 .

[0037] In this embodiment, the first through hole 14 is provided so that the fixing rod 605 can move forward and backward conveniently.

[0038] As a technical optimization solution of the utility model, a second through hole 15 for use with the fixing rod 605 is opened on the front side of the first support block 4 , and the surface of the fixing rod 605 is slidably connected to the inner wall of the second through hole 15 .

[0039] In this embodiment, the second through hole 15 is provided so that the fixing rod 605 can pass through the first support block 4 and enter the inner cavity of the fixing hole 7 to fix the connecting strip 3 .

[0040] As a technical optimization solution of the present invention, the bottom of the support ring 1104 is fixedly connected with an anti-skid pad 16, and the bottom of the anti-skid pad 16 is provided with anti-skid protrusions.

[0041] In this embodiment, the anti-skid pad 16 is provided to increase the friction between the support ring 1104 and the ground, so that the first support frame 1 and the second support frame 2 will not move.

[0042] Working principle: First, pull the pull ring 604, the pull ring 604 drives the fixing rod 605 to move out of the inner cavity of the first clamping groove 5, so that the fixing rod 605 will not hinder the installation of the connecting strip 3. When the fixing rod 605 moves, it will drive the limiting plate 607 to squeeze the spring 606. Then rotate the pull ring 604, the pull ring 604 drives the fixing rod 605 to rotate, and the fixing rod 605 drives the positioning bar 609 to rotate, so that the positioning bar 609 is against the positioning block 608, so as to position the fixing rod 605. Then, by placing the first support frame 1 and the second support frame 2 to a suitable spacing, and then respectively clamping the two ends of the connecting strip 3 in the first clamping groove 5 of the first support block 4, and then reversely rotate the pull ring 604, the pull ring 604 drives the fixing rod 605 to rotate in the opposite direction, and the fixing rod 605 drives the positioning bar 609 to rotate in the opposite direction, so that the positioning bar 609 is staggered with the positioning block 608, and then release the pull ring 604, and the spring 606 is compressed and released The release force drives the limit plate 607 to move in the opposite direction, and the limit plate 607 drives the fixing rod 605 to move in the opposite direction, so that the fixing rod 605 is inserted into the inner cavity of the fixing hole 7 to fix the position of the connecting strip 3, thereby achieving the effect of connecting and fixing the first support frame 1 and the second support frame 2 through the connecting strip 3, and then the placement plate 8 is installed on the top of the second support block 9, so that the two ends of the placement plate 8 are respectively clamped in the second clamping groove 10, thereby completing the assembly of the assembled metal shelf, and the reverse operation can be disassembled, the operation is relatively simple, thereby achieving the effect of easy disassembly and assembly of the assembled metal shelf, and the handle 1102 can be turned, and the handle 1102 drives the threaded rod 1103 to rotate in the inner cavity of the fixing block 1101 and move through the thread, and the threaded rod 1103 drives the support ring 1104 to move, so that the support ring 1104 contacts the ground, thereby achieving the effect of increasing the support stability of the first support frame 1 and the second support frame 2.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An assembled metal shelf that is easy to transport, comprising a first support frame (1), characterized in that: A second support frame (2) is arranged on the right side of the first support frame (1); a connecting strip (3) is arranged at the top and bottom between the first support frame (1) and the second support frame (2); a first support block (4) for use in conjunction with the connecting strip (3) is fixedly connected to the top and bottom of the right side of the first support frame (1) and the top and bottom of the left side of the second support frame (2); a first clamping groove (5) for use in conjunction with the connecting strip (3) is provided on the top of the first support block (4); both sides of the surface of the connecting strip (3) are respectively clamped with the inner wall of the first clamping groove (5); a fixing component (6) for use in conjunction with the connecting strip (3) is fixedly connected to the front side of the first support block (4) , both sides of the front side of the connecting strip (3) are provided with fixing holes (7), a placement plate (8) is arranged between the first support frame (1) and the second support frame (2), the right side of the first support frame (1) and the left side of the second support frame (2) are fixedly connected with a second support block (9) used in conjunction with the placement plate (8), the top of the second support block (9) is provided with a second clamping groove (10) used in conjunction with the placement plate (8), both sides of the surface of the placement plate (8) are respectively clamped with the inner wall of the second clamping groove (10), and the front and rear sides of the right side of the first support frame (1) and the front and rear sides of the left side of the second support frame (2) are fixedly connected with a positioning support assembly (11); The fixing assembly (6) comprises a support plate (601), a first fixing plate (602), a second fixing plate (603), a pull ring (604), a fixing rod (605), a spring (606), a limit plate (607), a positioning block (608) and a positioning strip (609); the rear side of the support plate (601) is fixedly connected to the bottom of the front side of the first supporting block (4); the bottom of the first fixing plate (602) is fixedly connected to the front side of the top of the support plate (601); the bottom of the second fixing plate (603) is fixedly connected to the rear side of the top of the support plate (601); the front side of the fixing rod (605) is fixedly connected to the rear side of the pull ring (604); the rear side of the fixing rod (605) sequentially passes through the first fixing plate (602), The second fixing plate (603) and the first supporting block (4) extend to the inner cavity of the fixing hole (7); the spring (606) and the limiting plate (607) are sequentially sleeved on the surface of the fixing rod (605); the front side of the spring (606) contacts the rear side of the first fixing plate (602); the rear side of the spring (606) contacts the front side of the limiting plate (607); the inner wall of the limiting plate (607) is fixedly connected to the surface of the fixing rod (605); the rear side of the limiting plate (607) contacts the front side of the second fixing plate (603); the rear side of the positioning block (608) is fixedly connected to the top of the front side of the first fixing plate (602); and the right side of the positioning strip (609) is fixedly connected to the front side of the left side of the fixing rod (605).

2. The assembled metal shelf that is easy to transport according to claim 1 is characterized by: The positioning support assembly (11) comprises a fixed block (1101), a turning handle (1102), a threaded rod (1103) and a support ring (1104); the fixed block (1101) is fixedly connected to the first support frame (1) and the second support frame (2) at one side close to the first support frame (1) and the second support frame (2), respectively; the top of the threaded rod (1103) is fixedly connected to the bottom of the turning handle (1102); the bottom of the threaded rod (1103) passes through the bottom of the fixed block (1101); the surface of the threaded rod (1103) is connected to the inner wall of the fixed block (1101) by threads; and the top of the support ring (1104) is fixedly connected to the bottom of the threaded rod (1103).

3. The assembled metal shelf that is easy to transport according to claim 1 is characterized by: The front side and the rear side of the bottom of the first support frame (1) and the front side and the rear side of the bottom of the second support frame (2) are both fixedly connected with universal wheels (12).

4. The transportable assembled metal shelf according to claim 1 is characterized by: The front and rear sides of the bottom of the second support block (9) are fixedly connected with reinforcing ribs (13), and the reinforcing ribs (13) are fixedly connected to the first support frame (1) and the second support frame (2) at one side close to the first support frame (1) and the second support frame (2), respectively.

5. The transportable assembled metal shelf according to claim 1 is characterized by: The number of the second support blocks (9) is eight, and four are grouped together and evenly distributed on the right side of the first support frame (1) and on the left side of the second support frame (2).

6. The transportable assembled metal shelf according to claim 1, characterized in that: The front sides of the first fixing plate (602) and the second fixing plate (603) are both provided with a first through hole (14) for use with a fixing rod (605), and the surface of the fixing rod (605) is slidably connected to the inner wall of the first through hole (14).

7. The transportable assembled metal shelf according to claim 1 is characterized by: A second through hole (15) for use with a fixing rod (605) is provided on the front side of the first supporting block (4), and the surface of the fixing rod (605) is slidably connected to the inner wall of the second through hole (15).

8. The transportable assembled metal shelf according to claim 2, characterized in that: The bottom of the support ring (1104) is fixedly connected to an anti-skid pad (16), and the bottom of the anti-skid pad (16) is provided with anti-skid protrusions.

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