Gas stove annular support with anti-skid design
By designing anti-slip circular teeth and adjustable support components, the problem of traditional gas stove supports being unable to adapt to different cookware has been solved, achieving stable support for cookware and improving safety, while simplifying the replacement and adjustment of support components.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENGZHOU XUKAI HARDWARE CO LTD
- Filing Date
- 2025-08-22
- Publication Date
- 2026-07-21
AI Technical Summary
Traditional gas stove supports are incompatible with various cookware, causing the cookware to wobble and tilt, posing a safety hazard. They also have limited functionality and cannot be adjusted to fit different pot bottom shapes and curvatures.
Design a gas stove ring support with anti-slip design, including a base, a multi-functional support component and a locking component. The base has anti-slip circular teeth at the bottom, and the support component has anti-slip protrusions at the top. The support component is adjustable to adapt to different pot bottoms, and the locking component enables quick replacement and angle adjustment of the support component.
It improves the stability of cookware, reduces the risk of tipping and spilling, enhances safety, simplifies the replacement and adjustment of support components, and improves the user experience.
Smart Images

Figure CN224534321U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas stove bracket technology, specifically a gas stove ring bracket with anti-slip design. Background Technology
[0002] In kitchen cooking, gas stoves are commonly used cooking tools, and their supporting brackets play a crucial role in supporting cookware. Traditional gas stove brackets have revealed many problems during use, making it difficult to meet users' needs for efficient and safe cooking.
[0003] Existing gas stove supports are not compatible with various cookware, and are prone to wobbling and tilting due to the weight of the pot handle. Most existing gas stove supports are also designed in a simple way, unable to be flexibly adjusted to fit the shape and curvature of different pot bottoms, resulting in poor fit between the pot and the support. In the cooking process, if this happens, it is very likely to cause the pot to tip over, spill food and soup, not only wasting food, but also causing safety accidents such as burns to the user. At the same time, traditional supports cannot replace the support frame or adjust the angle, and have limited functions. Therefore, we propose a gas stove ring support with an anti-slip design. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a gas stove ring support with an anti-slip design, thus solving the aforementioned problems.
[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a gas stove ring support with an anti-slip design, comprising:
[0006] The support has four adjustment boxes arranged in a circular array on the top arc-shaped sidewall. The adjustment boxes are hollow rectangular blocks.
[0007] A multi-functional support assembly is disposed inside the adjustment box. Four multi-functional support assemblies are arranged in a circular array on the top side of the support. Each multi-functional support assembly includes a clamping member and a supporting member. The clamping member is slidably connected to the inside of the adjustment box, and the supporting member is connected to the inside of the adjustment box. The clamping member and the supporting member are in close contact.
[0008] Preferably, the support has an overall arc-shaped ring structure, and both the top and bottom of the support are circular openings. The support has an arc-shaped inner groove inside, and a bottom ring is welded to the bottom of the support. The bottom of the bottom ring has a set of anti-slip circular teeth that are evenly distributed.
[0009] Preferably, the side wall of the adjustment box is provided with an inlet / outlet slot, and the inlet / outlet slot is a sliding groove with a notch on one side corresponding to the top of the adjustment box. The two opposite inner walls of the adjustment box are provided with two sliding grooves that are symmetrically distributed on the axis. The sliding grooves are perpendicular to the inlet / outlet slots on the outer side of the adjustment box. A sliding hole is provided at the center of the side wall of the adjustment box corresponding to the sliding groove. A bottom fitting post is provided on the bottom side of the inner wall of the adjustment box away from the sliding hole. Five angle adjustment posts are provided on the top of the bottom fitting post in an arc shape with equal angles. The bottom fitting post is longer than the angle adjustment post.
[0010] Preferably, the clamping component includes a top plate, a high-temperature alloy spring, and a mating plate, wherein three high-temperature alloy springs are welded between the high-temperature alloy spring and the mating plate in an equidistant manner.
[0011] Preferably, the center of the end face of the mating plate is provided with a second sliding hole, and the second sliding hole is welded to the inside of the adjustment box opposite to the side of the high-temperature alloy spring, and the second sliding hole and the sliding hole are concentrically corresponding.
[0012] Preferably, the top plate is provided with a pull rod on the side corresponding to the high-temperature alloy spring. The pull rod passes through the center of the high-temperature alloy spring in the middle position and passes through the sliding hole two and the sliding hole one. Two sliders distributed symmetrically are welded on the two opposite side walls of the top plate. The sliders are connected to the sliding groove in a sliding fit.
[0013] Preferably, the support member has a connecting rod at the bottom, which is inserted into the adjustment box. The connecting rod has a connecting hole on its bottom side wall, which is rotatably connected to the bottom mating post. The connecting rod has an angle adjustment hole at the top of the connecting hole on its side wall, which is inserted into the angle adjustment post. The connecting hole and the angle adjustment hole on the side wall of the connecting rod are in contact with the end face of the top plate side wall. The support member has an anti-slip protrusion at the top.
[0014] Compared with the prior art, this utility model provides a gas stove ring support with anti-slip design, which has the following beneficial effects:
[0015] 1. This gas stove ring support with anti-slip design offers excellent anti-slip performance. The bottom ring welded to the base features a set of evenly distributed anti-slip teeth. In actual use, when the support is placed on the outside of the gas stove core, these teeth effectively increase the friction with the surface. Even if the contact surface becomes slippery due to oil or other reasons during cooking, the teeth still function to prevent the support from sliding due to oil, greatly improving anti-slip performance and reducing safety hazards such as pot tipping and soup spillage caused by support slippage. This provides users with a safer and more reliable cooking environment. The top of the support has anti-slip protrusions. When the pot is placed on the support, the protrusions contact the bottom of the pot, further increasing the friction between the pot and the support. This effectively prevents the pot from sliding due to external forces such as stirring during cooking, allowing the pot to be placed more stably on the support and ensuring smooth cooking.
[0016] 2. This gas stove ring support with anti-slip design is easy to replace. If the support is worn or damaged during use, simply pull the lever of the clamping part to compress the entire clamping part, and the connecting rod at the bottom of the support can be easily removed from the inlet / outlet slot of the adjustment box. When installing a new support, simply follow the steps of inserting, rotating, aligning, and releasing the lever to quickly complete the replacement. The entire process does not require any additional tools, is simple to operate, greatly saves replacement time and labor costs, and effectively improves the user experience. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the ring-shaped support structure for a gas stove with an anti-slip design according to this utility model;
[0018] Figure 2 This is a cross-sectional view of the middle section of the annular support for a gas stove with an anti-slip design according to this utility model;
[0019] Figure 3 This is a side sectional view of the annular support for a gas stove with an anti-slip design according to this utility model;
[0020] Figure 4 This is a cross-sectional view of the adjustment box of this utility model;
[0021] Figure 5 This is a schematic diagram of the clamping component of this utility model;
[0022] Figure 6 This is a schematic diagram of the support component of this utility model.
[0023] In the diagram: 1. Support; 2. Clamping element; 3. Supporting element; 4. Adjusting box; 5. Bottom ring; 6. Anti-slip circular teeth; 7. Arc-shaped inner groove; 8. Inlet / outlet slot; 9. Slide groove; 10. Slide hole one; 11. Bottom mating post; 12. Angle adjusting post; 13. Top plate; 14. High-temperature alloy spring; 15. Mating plate; 16. Pull rod; 17. Slide hole two; 18. Slider; 19. Connecting rod; 20. Connecting hole; 21. Angle adjusting hole; 22. Anti-slip protrusion. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-6 A ring-shaped gas stove support with an anti-slip design includes:
[0026] Support 1, the top arc-shaped sidewall of support 1 is provided with four adjustment boxes 4 arranged in a ring array, the adjustment boxes 4 are hollow rectangular block structures;
[0027] A multi-functional support assembly is set inside the adjustment box 4. Four multi-functional support assemblies are arranged in a ring array on the top side of the support 1. The multi-functional support assembly includes a clamping member 2 and a support member 3. The clamping member 2 is slidably connected to the inside of the adjustment box 4, and the support member 3 is connected to the inside of the adjustment box 4. The clamping member 2 and the support member 3 are in close contact.
[0028] Furthermore, the support 1 has an overall arc-shaped ring structure, with both the top and bottom of the support 1 having circular openings. The support 1 also has an arc-shaped inner groove 7 inside, and a bottom ring 5 is welded to the bottom of the support 1. The bottom of the bottom ring 5 has a set of anti-slip circular teeth 6 evenly distributed. The arc-shaped inner groove 7 inside the support 1 can effectively collect ash and detached sintered blocks from the bottom of the pot, preventing damage to the gas stove core and facilitating subsequent cleaning. The anti-slip circular teeth 6 at the bottom of the bottom ring 5 can effectively increase the friction with the outside of the gas stove core, preventing slippage due to the influence of oil, improving anti-slip performance and enhancing safety during use.
[0029] Furthermore, the side wall of the adjustment box 4 has an inlet / outlet slot 8, and the inlet / outlet slot 8 corresponds to a sliding groove with a notch on one side at the top of the adjustment box 4. Two sliding grooves 9 are symmetrically distributed on two opposite inner walls inside the adjustment box 4, and the sliding grooves 9 intersect perpendicularly with the inlet / outlet slot 8 on the outer side of the adjustment box 4. A sliding hole 10 is provided at the center of the side end of the sliding groove 9 on the side wall of the adjustment box 4. A bottom fitting post 11 is provided at the bottom of the side wall of the adjustment box 4 away from the sliding hole 10, and five angle adjustment posts 12 are provided at the top of the bottom fitting post 11 in an arc shape with equal angles. The bottom fitting post 11 is longer than the angle adjustment posts 12. The adjustment box 4 provides effective space for the replacement and angle adjustment of the multi-functional support component. When installing or replacing the support component 3, by pulling the lever 16 of the clamping component 2, the clamping component 22 is compressed as a whole, and the connecting rod 19 at the bottom of the support component 3 is inserted into the side wall of the inlet / outlet slot 8 for adjustment. Inside box 4, after the connecting hole 20 of connecting rod 19 is connected with the bottom mating post 11, rotate support 3 around connecting rod 19 so that connecting rod 19 rotates into the top sliding groove of inlet / outlet slot 8, aligning angle adjustment hole 21 with angle adjustment post 12. Release pull rod 16 to allow the compressed clamping part 2 to spring back and fix the connecting rod 19 at the bottom of support 3, completing the installation and replacement process. The operation is simple. When it is necessary to adjust the angle of support 3 to cope with different pot bottom curvatures, pull pull rod 16, and the clamping part 2 will lose its fixation on connecting rod 19. Move connecting rod 19 so that angle adjustment hole 21 loses its engagement with the current angle adjustment post 12. Rotate support 3 around connecting rod 19 until the angle is appropriate and angle adjustment hole 21 is aligned with the nearest angle adjustment post 12. Release pull rod 16 to re-fix and complete the angle adjustment. It is highly practical and easy to adjust.
[0030] Furthermore, the clamping component 2 includes a top plate 13, a high-temperature alloy spring 14, and a mating plate 15. Three high-temperature alloy springs 14 are welded between the high-temperature alloy spring 14 and the mating plate 15 in an equidistant manner. The high-temperature alloy springs 14 can withstand extremely high temperatures without affecting their elasticity, thereby improving the clamping quality and operational safety.
[0031] Furthermore, a sliding hole 17 is provided at the center of the end face of the mating plate 15, and the sliding hole 17 is welded to the inside of the adjustment box 4 on the side away from the high temperature alloy spring 14. The sliding hole 17 is concentrically corresponding to the sliding hole 10, and the mating plate 15 plays a connecting role.
[0032] Furthermore, a pull rod 16 is provided on the side of the top plate 13 corresponding to the high-temperature alloy spring 14. The pull rod 16 passes through the center of the high-temperature alloy spring 14 in the middle position, and passes through the sliding hole 17 and the sliding hole 10. Two sliders 18 are welded on the two opposite side walls of the top plate 13 in an axisymmetrical distribution. The sliders 18 are slidably connected to the sliding groove 9. The pull rod 16 plays a control role, which facilitates the quick control of the installation, replacement and angle adjustment of the support 3. The sliding connection between the sliders 18 and the sliding groove 9 effectively ensures the smoothness of the movement of the top plate 13, that is, ensures the stability of the support 3.
[0033] Furthermore, the bottom of the support member 3 is provided with a connecting rod 19, which is inserted into the adjustment box 4. The bottom side wall of the connecting rod 19 is provided with a connecting hole 20, which is rotatably connected to the bottom mating post 11. The top of the side wall of the connecting rod 19 corresponding to the connecting hole 20 is provided with an angle adjustment hole 21, which is inserted into the angle adjustment post 12. The connecting hole 20 and the angle adjustment hole 21 on the side wall of the connecting rod 19 are in contact with the end face of the side wall of the top plate 13. The top of the support member 3 is provided with an anti-slip protrusion 22, which effectively prevents the bottom of the pot from sliding.
[0034] Structural Description:
[0035] Support 1: Support 1 is an arc-shaped ring with four adjustment boxes 4 on the top arc side wall, a circular opening at the top and bottom, an arc-shaped groove 7 inside to collect ash, and a bottom ring 5 welded to the bottom, which is the main support structure of the bracket.
[0036] Clamping component 2: Clamping component 2 consists of a top plate high-temperature alloy spring 14 and a mating plate 15, which slides in conjunction with the adjusting box 4 and is controlled by the pull rod 16. It is used to fix the support component 3 and ensure its stability.
[0037] Support component 3: The bottom of the support component 3 is provided with a connecting rod 19 that cooperates with the adjustment box 4, and the top has an anti-slip protrusion 22, which serves to place the pot and prevent the bottom of the pot from sliding.
[0038] Adjustment box 4: The adjustment box 4 is a hollow rectangular block, located on the top of the support 1. The side wall has an inlet / outlet slot 8 and a sliding groove 9. The interior is equipped with a bottom mating column 11, etc., to provide space for the replacement of support components and angle adjustment.
[0039] Bottom ring 5: Bottom ring 5 is welded to the bottom of support 1. Its bottom is provided with anti-slip circular teeth 6 to increase the friction with the outside of the gas stove core and prevent the support from sliding and shifting.
[0040] Anti-slip circular teeth 6: Anti-slip circular teeth 6 are evenly distributed at the bottom of the bottom ring 5. By increasing the roughness of the contact surface, the anti-slip performance between the bracket and the gas stove core is improved.
[0041] Arc-shaped inner groove 7: The arc-shaped inner groove 7 is located inside the support 1 and is used to collect ash and sintered blocks that fall from the bottom of the pot, so as to avoid damaging the gas stove core and make it easy to clean.
[0042] Inlet / outlet slot 8: Inlet / outlet slot 8 is located on the side wall of the adjustment box 4. The top is a sliding groove with a notch on one side, which is the channel for inserting and removing the bottom connecting rod 19 of the support 3.
[0043] Slide 9: Slide 9 is located on two opposite inner walls inside the adjusting box 4 and intersects perpendicularly with the inlet / outlet slot 8. It works in conjunction with the slider 18 to ensure that the clamping part 2 moves smoothly.
[0044] Slide Hole 10: Slide Hole 10 is located at the center of the side end of the slide groove 9 on the side wall of the adjusting box 4, through which the pull rod 16 passes to realize the control operation of the clamping part 2;
[0045] Bottom fitting post 11: The bottom fitting post 11 is located at the bottom of the inner wall of the adjusting box 4 and rotates with the connecting hole 20 of the connecting rod 19 of the support member 3. It is the basic component for the installation of the support member.
[0046] Angle adjustment column 12: Angle adjustment column 12 is located at the top of bottom mating column 11, and is distributed in an equal angle arc shape. It cooperates with angle adjustment hole 21 to realize the angle adjustment of support member 3;
[0047] Top plate 13: Top plate 13 is a component of clamping part 2. Sliding blocks 18 are welded on both sides to cooperate with sliding grooves 9. They are driven by pull rod 16 to compress or rebound high temperature alloy spring 14.
[0048] High-temperature alloy spring 14: The high-temperature alloy spring 14 is welded between the top plate 13 and the mating plate 15. It can withstand high temperature and achieves the clamping and release of the support member 3 through elastic deformation.
[0049] Mating plate 15: The center of the end face of the mating plate 15 is provided with a sliding hole 17, which is welded to the inside of the adjusting box 4, and serves to connect and fix the high temperature alloy spring 14 and the top plate 13.
[0050] Pull rod 16: Pull rod 16 passes through the high-temperature alloy spring sliding hole 2 17 and sliding hole 10, and is a key component for controlling the clamping part 2, which facilitates the installation and adjustment of the operating support part 3;
[0051] Sliding hole 2 17: Sliding hole 2 17 is located at the center of the end face of the mating plate 15 and is concentrically corresponding to sliding hole 10, providing a sliding channel for the pull rod 16 and ensuring the normal operation of the clamping part 2;
[0052] Slider 18: Slider 18 is welded to both sides of the top plate 13 and slides in conjunction with the internal slide groove 9 of the adjustment box 4 to ensure that the top plate 13 moves smoothly and enhances the stability of the fixed support 3.
[0053] Connecting rod 19: The connecting rod 19 is located at the bottom of the support 3 and is inserted into the adjustment box 4. Its connecting hole 20 and angle adjustment hole 21 are respectively engaged with the bottom mating post 11 and the angle adjustment post 12.
[0054] Connection hole 20: Connection hole 20 is located on the bottom side wall of the connecting rod 19 and is rotatably connected to the bottom mating column 11 inside the adjusting box 4. It is a key structure for the installation and positioning of the support 3.
[0055] Angle adjustment hole 21: Angle adjustment hole 21 is located at the top of the connecting hole 20 on the side wall of the connecting rod 19, and is inserted into the angle adjustment column 12 to realize the angle adjustment of the support 3;
[0056] Anti-slip protrusion 22: Anti-slip protrusion 22 is set on the top of the support 3, which increases the friction when in contact with the bottom of the pot, effectively preventing the bottom of the pot from sliding during cooking.
[0057] Working Principle: Install the gas stove ring support with anti-slip design correctly according to the diagram. The top of the support 1 has four adjustment boxes 4 arranged in a ring array. Each adjustment box 4 contains a multi-functional support assembly, consisting of a clamping component 2 and a support component 3. When installing or replacing the support component 3, first pull the lever 16 of the clamping component 2. This lever 16 moves the top plate 13. Since the sliders 18 welded to the two opposite sidewalls of the top plate 13 are slidably connected to the sliding grooves 9 inside the adjustment box 4, the movement of the top plate 13 is stable. As the top plate 13 moves, the high-temperature alloy spring 14 is compressed, causing the clamping component 2 to be in a compressed state. Then, insert the connecting rod 19 at the bottom of the support component 3 into the adjustment box 4 through the sidewall of the inlet / outlet slot 8. After the connecting hole 20 on the bottom sidewall of the connecting rod 19 is rotatably connected to the bottom mating post 11 at the bottom of the inner wall of the adjustment box 4, rotate the support component 3 around the connecting rod 19 until it enters the top sliding groove of the inlet / outlet slot 8. At this point, adjust the angle of the support component 3. Align the angle adjustment hole 21 on the side wall of the connecting rod 19 with the angle adjustment column 12 on the top of the bottom mating column 11, release the pull rod 16, and the compressed high-temperature alloy spring 14 will rebound, pushing the top plate 13 back to its original position. This will fix the clamping part 2 to the connecting rod 19 at the bottom of the support member 3, completing the installation or replacement of the support member 3. When it is necessary to adjust the angle of the support member 3 to adapt to different pot bottom curvatures, pull the pull rod 16 again. The clamping part 2 will lose its fixation on the connecting rod 19, and the connecting rod 19 will move to adjust the angle. If the angle adjustment hole 21 fails to engage with the current angle adjustment column 12, rotate the support 3 around the connecting rod 19 until the angle is appropriate and the angle adjustment hole 21 aligns with the nearest angle adjustment column 12. Release the pull rod 16 to re-fix and achieve angle adjustment. In addition, the support 1 has an arc-shaped inner groove 7 inside, which can collect ash and sintered blocks from the bottom of the pot. The anti-slip circular teeth 6 at the bottom of the bottom ring 5 increases the friction with the outside of the gas stove core. The anti-slip protrusion 22 at the top of the support 3 effectively prevents the bottom of the pot from sliding.
[0058] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A ring-shaped support for a gas stove with an anti-slip design, characterized in that, include: Support (1), the top arc-shaped sidewall of the support (1) is provided with four adjustment boxes (4) arranged in a ring array, the adjustment boxes (4) are hollow rectangular block structures; A multifunctional support assembly is disposed inside the adjustment box (4). Four multifunctional support assemblies are arranged in a ring array on the top side of the support (1). The multifunctional support assembly includes a clamping member (2) and a support member (3). The clamping member (2) is slidably connected to the inside of the adjustment box (4). The support member (3) is connected to the inside of the adjustment box (4). The clamping member (2) and the support member (3) are in contact.
2. The gas stove ring support with anti-slip design according to claim 1, characterized in that, The support (1) has an overall arc-shaped ring structure, and the top and bottom of the support (1) are both circular opening structures. The support (1) has an arc-shaped inner groove (7) inside. The bottom of the support (1) is welded with a bottom ring (5), and the bottom of the bottom ring (5) has a set of anti-slip circular teeth (6) that are evenly distributed.
3. A gas stove ring support with anti-slip design according to claim 1, characterized in that, The adjustment box (4) has an inlet / outlet slot (8) on its side wall, and the inlet / outlet slot (8) corresponds to a sliding groove with a notch on one side on the top of the adjustment box (4). The two opposite inner walls of the adjustment box (4) have two sliding grooves (9) that are symmetrically distributed on the axis. The sliding grooves (9) are perpendicular to the outer side of the adjustment box (4) and intersect the inlet / outlet slot (8). The side wall of the adjustment box (4) has a sliding hole (10) at the center of the axial end of the sliding groove (9). The bottom of the inner wall of the adjustment box (4) away from the sliding hole (10) has a bottom fitting post (11), and the top of the bottom fitting post (11) has five angle adjustment posts (12) that are equally arc-shaped. The bottom fitting post (11) is longer than the angle adjustment post (12).
4. A gas stove ring support with anti-slip design according to claim 1, characterized in that, The clamping component (2) includes a top plate (13), a high-temperature alloy spring (14), and a mating plate (15). Three high-temperature alloy springs (14) are welded between the high-temperature alloy spring (14) and the mating plate (15) in an equidistant manner.
5. A gas stove ring support with anti-slip design according to claim 4, characterized in that, The mating plate (15) has a sliding hole 2 (17) at the center of its end face. The sliding hole 2 (17) is welded to the inside of the adjustment box (4) on the side away from the high temperature alloy spring (14). The sliding hole 2 (17) is concentrically corresponding to the sliding hole 1 (10).
6. A gas stove ring support with anti-slip design according to claim 4, characterized in that, The top plate (13) is provided with a pull rod (16) on the side corresponding to the high temperature alloy spring (14). The pull rod (16) passes through the center of the high temperature alloy spring (14) in the middle position, and the pull rod (16) passes through the sliding hole two (17) and the sliding hole one (10). Two sliders (18) are welded on the two opposite side walls of the top plate (13) and are distributed symmetrically. The sliders (18) are connected to the sliding groove (9) in a sliding fit.
7. A gas stove ring support with anti-slip design according to claim 1, characterized in that, The support member (3) has a connecting rod (19) at the bottom. The connecting rod (19) is inserted into the adjustment box (4). The bottom side wall of the connecting rod (19) has a connecting hole (20). The connecting hole (20) is rotatably connected to the bottom mating column (11). The side wall of the connecting rod (19) has an angle adjustment hole (21) at the top of the connecting hole (20). The angle adjustment hole (21) is inserted into the angle adjustment column (12). The connecting hole (20) and the angle adjustment hole (21) on the side wall of the connecting rod (19) are in contact with the end face of the side wall of the top plate (13). The top of the support member (3) has an anti-slip protrusion (22).