Aluminum alloy turntable with back locking function

Abstract

The aluminum alloy rotating disc with the back locking function comprises a connecting disc and a supporting base, the supporting base is located below the connecting disc, a fixing column is arranged in the middle of the bottom of the connecting disc, and a first bearing assembly is concentrically arranged on the outer side of the fixing column. A buckling groove matched with the first bearing assembly in shape is formed in the supporting base, a plurality of supporting frames are arranged on the edge and the inner side of the supporting base, a second bearing assembly is arranged at the position, located on the outer side of the fixing column, of the middle of the supporting base, and a fixing nut is connected to the outer side of the bottom of the fixing column in a matched mode through an external thread. A fixing nut is arranged on the fixing column, a threaded hole is formed in the bottom of the fixing column, a non-return plate is fixed to the threaded hole through a reverse thread bolt, the direction of threads in the threaded hole is opposite to the direction of threads on the fixing column, and a spring is arranged between the non-return plate and the fixing nut.

Description

Technical Field

[0001] The utility model belongs to the technical field of turntables, and in particular relates to an aluminum alloy turntable with an anti-locking function. Background Art

[0002] The dining table turntable is a dining table accessory with a rotating function. In a restaurant, since there are many people eating, there are many tables and dishes, so a manual dining table turntable is needed to assist so that the food on the table can rotate on the turntable so that everyone can easily eat the dishes they want.

[0003] However, during the use of existing dining table turntables, since the bottom of the turntable is mostly rotatably connected to the supporting base by a single nut or bolt, this connection method is likely to cause the turntable to be squeezed by the piled dishes on it during long-term use, and the friction between the turntable and the fixed nut or bolt increases, which can easily cause the nut or bolt to loosen, resulting in the turntable above being separated from the supporting base and tipping over, causing the dishes on the turntable to slide off. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the bottom of the existing turntable is mostly fixed to the turntable and the support base by a single nut or bolt during use, which can easily cause the nut or bolt to loosen, causing the turntable to separate from the support base.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: an aluminum alloy turntable with an anti-locking function, comprising a connecting disk and a supporting base, the supporting base is located below the connecting disk, a fixing column is arranged in the middle of the bottom of the connecting disk, a first bearing assembly is arranged concentrically on the outer side of the fixing column, a snap-fitting groove matching the shape of the first bearing assembly is arranged on the supporting base, and a plurality of supporting frames are arranged on the edge and inner side of the supporting base, a second bearing assembly is arranged in the middle of the supporting base on the outer side of the fixing column, a fixing nut is connected to the outer side of the bottom of the fixing column through an external thread, and a threaded hole is arranged at the bottom of the fixing column, a check plate is fixed to the threaded hole through a reverse thread bolt, wherein the thread in the threaded hole is opposite to the thread on the fixing column, and a spring is arranged between the check plate and the fixing nut.

[0006] As an improvement, the support base is a circular disk made of aluminum alloy as a whole, and the multiple support frames are annular structures with the same height, and are concentrically arranged with the support base and located on the outside of the snap-fit ​​groove. The multiple support frames are connected by multiple reinforcing plates.

[0007] As an improvement, the first bearing assembly and the second bearing assembly have the same composition, and are both composed of an upper guide ring, a ball ring and a lower guide ring, wherein the diameter of the first bearing assembly is larger than the diameter of the second bearing assembly, and the middle of the upper guide ring and the lower guide ring are slidably connected to the ball ring through a V-shaped groove, and the ball ring is a metal ring with multiple metal beads rotatably connected.

[0008] As an improvement, the connecting plate is provided with a corresponding first limiting groove at the first bearing assembly.

[0009] As an improvement, the support base is provided with a corresponding second limiting groove at the second bearing assembly.

[0010] As an improvement, the fixing nut is a hexagonal nut, and one side of the fixing nut abuts against the outer side of the second bearing assembly.

[0011] As an improvement, the diameter of the anti-return plate is the same as the outer diameter of the second bearing assembly, and a blocking plate is provided on the edge, and the spring is located on the inner side of the limiting ring.

[0012] As an improvement, the sum of the heights of the fixing column and the anti-return plate is less than or equal to the height of a plurality of support frames.

[0013] The advantages of the utility model compared with the prior art are:

[0014] The turntable is fixedly connected to the connecting plate and the supporting base in the turntable by a nut in the direction of a common thread, and the anti-return plate is fixed by a reverse threaded hole arranged at the bottom of the fixing column below the connecting plate, and a spring is arranged between the anti-return plate and the nut to increase the support strength of the spring, so that the connection of the turntable can be effectively locked by a two-way thread to prevent the turntable from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural diagram of an aluminum alloy turntable with anti-locking function.

[0016] Figure 2 The utility model is a cross-sectional three-dimensional structural diagram of an aluminum alloy turntable with an anti-locking function.

[0017] Figure 3 This is an enlarged view of the structure at point A of an aluminum alloy turntable with an anti-locking function of the utility model.

[0018] Figure 4 The utility model is an exploded structural diagram of an aluminum alloy turntable with an anti-locking function.

[0019] As shown in the figure: 1. Connecting plate; 2. Support base; 3. Fixed column; 4. First bearing assembly; 5. Snap-fit ​​groove; 6. Multiple support frames; 7. Second bearing assembly; 8. External thread; 9. Fixed nut; 10. Threaded hole; 11. Counter-thread bolt; 12. Check plate; 13. Spring; 14. Multiple reinforcing plates; 15. Upper guide ring; 16. Ball ring; 17. Lower guide ring; 18. First limit slot; 19. Second limit slot; 20. Blocking plate DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0022] Embodiment 1:

[0023] As the instruction manual Figure 1-4 As shown, an aluminum alloy turntable with an anti-locking function includes a connecting disk 1 and a supporting base 2, the supporting base 2 is located below the connecting disk 1, a fixing column 3 is arranged in the middle of the bottom of the connecting disk 1, and a first bearing assembly 4 is arranged concentrically on the outer side of the fixing column 3, the connecting disk 1 is provided with a corresponding first limiting slot 18 at the first bearing assembly 4, a snap-fitting slot 5 matching the shape of the first bearing assembly 4 is arranged on the supporting base 2, and a plurality of supporting frames 6 are arranged on the edge and inner side of the supporting base 2, the supporting base 2 is a circular disk body made of aluminum alloy as a whole, the plurality of supporting frames 6 are annular structures of the same height, and are arranged concentrically with the supporting base 2 and are located on the outer side of the snap-fitting slot 5, and the plurality of supporting frames 6 are connected by a plurality of reinforcing plates 14.

[0024] In the utility model, a second bearing assembly 7 is arranged in the middle of the support base 2 on the outside of the fixed column 3, and a corresponding second limiting groove 19 is arranged at the second bearing assembly 7 of the support base 2. A fixing nut 9 is connected to the outside of the bottom of the fixed column 3 through an external thread 8. The fixing nut 9 is a hexagonal nut, and one side of the fixing nut 9 is against the outside of the second bearing assembly 7.

[0025] In the present invention, a threaded hole 10 is provided at the bottom of the fixing column 3, and a check plate 12 is fixed to the threaded hole 10 through a reverse thread bolt 11, wherein the thread in the threaded hole 10 is opposite to the thread on the fixing column 3, a spring 13 is provided between the check plate 12 and the fixing nut 9, the diameter of the check plate 12 is the same as the outer diameter of the second bearing assembly 7, and a blocking plate 20 is provided on the edge, and the spring 13 is located on the inner side of the limit ring;

[0026] In the present invention, the sum of the heights of the fixing column 3 and the anti-return plate 12 is less than or equal to the height of a plurality of support frames 6 .

[0027] In the utility model, the first bearing assembly 4 and the second bearing assembly 7 have the same composition, and are both composed of an upper guide ring 15, a ball ring 16 and a lower guide ring 17, wherein the diameter of the first bearing assembly 4 is larger than the diameter of the second bearing assembly 7, and the middle of the upper guide ring 15 and the lower guide ring 17 are slidably connected to the ball ring 16 through a V-shaped groove, and the ball ring 16 is a metal ring rotatably connected with multiple metal beads.

[0028] When the utility model is implemented, the connecting plate 1 is fixedly connected with the external glass tray, and the first bearing assembly 4 is arranged between the connecting plate 1 and the supporting base 2, and the connecting plate 1 and the supporting base 2 are rotatably connected through the first limiting card groove 18 on the connecting plate 1 and the buckling groove 5 on the supporting base 2. At the same time, the fixing column 3 in the middle of the connecting plate 1 passes through the supporting base 2, and the second bearing assembly 7 is installed at the second limiting card groove 19 below the supporting base 2, and the second bearing assembly 7 is fixedly connected with the bottom of the supporting base 2 and the fixing column 3 by using the fixing nut 9, and the supporting base 2 is rotatably connected with the fixing column 3 through the second bearing assembly 7; finally, a spring 13 is placed on one side of the fixing nut 9, and the spring 13 is limited by the blocking plate 20 at the edge through the anti-return plate 12, and the reverse-thread bolt 11 passes through the middle of the anti-return plate 12 and is matched and connected with the threaded hole 10 at the bottom of the fixing column 3, so that the reverse-thread in the threaded hole 10 is opposite to the thread direction of the outer side of the fixing column 3, so as to achieve the effect of anti-locking and anti-return, and prevent the connection plate 1 from being separated from the supporting base 2 during use.

[0029] The above describes the utility model and its implementation methods, which are not restrictive. The specific implementation method is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. An aluminum alloy turntable with an anti-locking function, comprising a connecting plate and a supporting base, wherein the supporting base is located below the connecting plate, and a fixing column is arranged in the middle of the bottom of the connecting plate, characterized in that: A first bearing assembly is concentrically arranged on the outer side of the fixing column, a snap-fitting groove matching the shape of the first bearing assembly is arranged on the support base, and a plurality of support frames are arranged on the edge and inner side of the support base, a second bearing assembly is arranged in the middle of the support base and located on the outer side of the fixing column, a fixing nut is connected to the outer side of the bottom of the fixing column by an external thread, and a threaded hole is arranged at the bottom of the fixing column, a check plate is fixed to the threaded hole by a reverse thread bolt, wherein the thread in the threaded hole is opposite to the thread on the fixing column, and a spring is arranged between the check plate and the fixing nut.

2. The aluminum alloy turntable with anti-locking function according to claim 1, characterized in that: The support base is a circular disk made of aluminum alloy as a whole. The multiple support frames are annular structures with the same height and are concentrically arranged with the support base and located on the outside of the snap-fit ​​groove. The multiple support frames are connected by multiple reinforcing plates.

3. The aluminum alloy turntable with anti-locking function according to claim 1, characterized in that: The first bearing assembly and the second bearing assembly have the same composition, and are both composed of an upper guide ring, a ball ring and a lower guide ring, wherein the diameter of the first bearing assembly is larger than the diameter of the second bearing assembly, and the middle of the upper guide ring and the lower guide ring are both slidably connected to the ball ring through a V-shaped groove, and the ball ring is a metal ring with multiple metal beads rotatably connected.

4. The aluminum alloy turntable with anti-locking function according to claim 1, characterized in that: The connecting plate is provided with a corresponding first limiting groove at the first bearing assembly.

5. The aluminum alloy turntable with anti-locking function according to claim 1, characterized in that: The support base is provided with a corresponding second limiting groove at the second bearing assembly.

6. The aluminum alloy turntable with anti-locking function according to claim 1, characterized in that: The fixing nut is a hexagonal nut, and one side of the fixing nut abuts against the outer side of the second bearing assembly.

7. The aluminum alloy turntable with anti-locking function according to claim 1, characterized in that: The diameter of the anti-return plate is the same as the outer diameter of the second bearing assembly, and a blocking plate is arranged on the edge, and the spring is located on the inner side of the limiting ring.

8. The aluminum alloy turntable with anti-locking function according to claim 1, characterized in that: The sum of the heights of the fixing column and the anti-return plate is less than or equal to the height of the plurality of support frames.

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