Bearing foot cup easy to operate

Abstract

The utility model relates to a load-bearing foot cup easy to operate, which comprises a foot cup base and a support screw, a cylindrical groove is arranged at the top of the foot cup base, the bottom of the support screw is embedded in the cylindrical groove, the lower end of the support screw abuts against the bottom of the cylindrical groove, and the support screw is arranged in the cylindrical groove. A circle of annular groove is formed in the side face of the bottom of the supporting screw rod, the annular groove is located in the cylindrical groove, and a detachable axial locking unit is connected between the supporting screw rod and the foot cup base.

Description

Technical Field

[0001] The utility model relates to the technical field of supporting foot cups, in particular to a load-bearing foot cup which is easy to operate. Background Art

[0002] At present, the supporting parts at the bottom of mobile equipment are mainly divided into two types: self-locking casters and foot cups. Casters are mainly used on equipment that needs to be moved frequently, while foot cups are used on equipment that does not need to be moved frequently.

[0003] Currently, most of the foot cup bases and support screws on the market are connected together by a fixing nut, and the fixing nut is the same as the adjusting nut of the foot cup. Although this structure is relatively simple in design, this foot cup relies on the threaded force between the support screw and the nut to achieve gravity support, and its stability is relatively low. After multiple lifting and lowering, the connection between the foot cup base and the support screw will become loose.

[0004] Therefore, a load-bearing foot cup that is easy to operate is needed to solve the above technical problems. Utility Model Content

[0005] The utility model aims at solving the technical problems existing in the prior art and provides a load-bearing foot cup which is easy to operate.

[0006] The utility model provides a technical solution to the above-mentioned technical problems as follows: an easy-to-operate load-bearing foot cup, comprising a foot cup base and a support screw, wherein a cylindrical groove is arranged on the top of the foot cup base, the bottom of the support screw is embedded in the cylindrical groove, and the lower end of the support screw is abutted against the bottom of the cylindrical groove, a circle of annular groove is arranged on the bottom side of the support screw, the annular groove is located in the cylindrical groove, and a detachable axial locking unit is connected between the support screw and the foot cup base.

[0007] Preferably, in the above-mentioned easy-to-operate load-bearing foot cup, the axial locking unit includes a machine screw, and the side of the foot cup base is provided with at least one first threaded hole, the first threaded hole is opposite to the annular groove, the machine screw is embedded in the first threaded hole, and the end of the machine screw is inserted into the annular groove.

[0008] Preferably, the above-mentioned easy-to-operate load-bearing foot cup, wherein the axial locking unit includes a limit pressure ring and a plurality of limit blocks, a protrusion is provided on one side of the limit block, the protrusion is adapted to the annular groove, the protrusion is embedded in the annular groove, and the plurality of limit blocks are arranged in a circular array with the central axis of the support screw as the center, the other side of the limit block is fitted with the inner wall of the cylindrical groove, and the limit block is located in the cylindrical groove.

[0009] Preferably, in the above-mentioned easy-to-operate load-bearing foot cup, the limiting pressure ring is fixed on the top of the foot cup base, and the limiting pressure ring is located on the upper side of the limiting block.

[0010] Preferably, in the above-mentioned easy-to-operate load-bearing foot cup, the height of the limit block is the same as the depth of the cylindrical groove, and the limit pressure ring abuts against the top of the limit block.

[0011] Preferably, in the above-mentioned easy-to-operate load-bearing foot cup, the limiting pressure ring is provided with a plurality of circular holes, the top of the foot cup base is provided with a plurality of second threaded holes, the second threaded holes correspond one-to-one to the circular holes, and locking screws are inserted into the circular holes and the second threaded holes.

[0012] Preferably, in the above-mentioned easy-to-operate load-bearing foot cup, the foot cup base is stepped, and the bottom area of ​​the foot cup base is larger than the top area.

[0013] Preferably, in the above-mentioned easy-to-operate load-bearing foot cup, a shock-absorbing pad is fixed to the bottom of the foot cup base.

[0014] Preferably, the above-mentioned easy-to-operate load-bearing foot cup, wherein the support screw is provided with an adjusting nut and an anti-loosening spring washer, a fixing plate is fixed to the bottom of the device, a third threaded hole is provided on the fixing plate, the support screw passes through the third threaded hole, and the anti-loosening spring washer is located between the fixing plate and the adjusting nut.

[0015] Preferably, the above-mentioned easy-to-operate load-bearing foot cup, wherein a cross bar is fixed to the side of the adjusting nut, a socket is provided on the cross bar, a plurality of slots are provided on the upper surface of the fixing plate, the plurality of slots are arranged in a circular array with the central axis of the supporting screw as the center, an insertion rod is inserted through the insertion hole, and the lower end of the insertion rod is inserted into one of the slots.

[0016] The beneficial effects of the utility model are as follows: the foot cup base and the support screw of the utility model are locked and connected through the axial locking unit, so that the lower end of the support screw directly contacts the foot cup base, which increases the force bearing area of ​​the support screw compared to the traditional threaded connection, making the support more stable. In addition, the connection between the support screw and the foot cup base is also made more stable, avoiding the phenomenon that the connection between the foot cup base and the support screw becomes loose after multiple lifting and lowering in the traditional threaded connection method. The utility model is more convenient to operate when adjusting the lifting and lowering of the foot cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 for Figure 1 A front view of

[0019] Figure 3 for Figure 2 Sectional view at A-A in the middle;

[0020] Figure 4 A perspective view of another embodiment of the present invention;

[0021] Figure 5 for Figure 4 A front view of

[0022] Figure 6 for Figure 5 Sectional view at B-B in the middle;

[0023] Figure 7 for Figure 6 A partial enlarged view of point C in the middle;

[0024] Figure 8 It is a schematic structural diagram of the third embodiment of the utility model.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Foot cup base, 2. Shock-absorbing pad, 3. Fixed plate, 4. Adjusting nut, 5. Support screw, 6. Anti-loosening spring washer, 7. Machine screw, 8. Limiting pressure ring, 9. Locking screw, 10. Limiting block, 11. Cross bar, 12. Insert rod, 13. Annular groove. DETAILED DESCRIPTION

[0027] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0028] An easy-to-operate load-bearing foot cup includes a foot cup base 1 and a support screw 5. When in use, an adjusting nut 4 and an anti-loosening spring washer 6 are sleeved on the support screw 5, a fixing plate 3 is fixed to the bottom of the device, a third threaded hole is provided on the fixing plate 3, the support screw 5 passes through the third threaded hole, and the anti-loosening spring washer 6 is located between the fixing plate 3 and the adjusting nut 4. The foot cup base 1 and the support screw 5 provide support for the fixing plate 3, and the fixing plate 3 provides supporting force for the device.

[0029] A cylindrical groove is provided at the top of the foot cup base 1, and the bottom of the support screw 5 is embedded in the cylindrical groove, and the lower end of the support screw 5 is against the bottom of the cylindrical groove. A circle of annular grooves 13 are provided on the bottom side of the support screw 5, and the annular groove 13 is located in the cylindrical groove. A detachable axial locking unit is connected between the support screw 5 and the foot cup base 1. The axial locking unit can ensure that the foot cup base 1 and the support screw 5 will not move relative to each other in the axial direction, but the support screw 5 can rotate relative to the foot cup base 1.

[0030] The foot cup base 1 is in a stepped shape, and the bottom area of ​​the foot cup base 1 is larger than the top area. A shock-absorbing pad 2 is fixed to the bottom of the foot cup base 1, so that the support is more stable. The outermost circle of the bottom of the foot cup base 1 is a protruding step, which can effectively limit the position of the shock-absorbing pad 2, allowing it to maintain its shape after being compressed, reduce its deformation, and extend its service life.

[0031] like Figure 1 - Figure 3 The figure shows the first embodiment of the utility model: the axial locking unit includes a screw 7, and a plurality of first threaded holes are arranged on the side of the foot cup base 1, and the first threaded holes are directly opposite to the annular groove 13. The screw 7 is embedded in the first threaded hole, and the end of the screw 7 is inserted into the annular groove 13, but does not affect its rotation. The annular groove 13 is axially limited by the end of the screw 7, thereby axially limiting the support screw 5.

[0032] like Figure 4 - Figure 7 As shown, it is the second embodiment of the utility model: the axial locking unit includes a limit pressure ring 8 and a plurality of limit blocks 10. A protrusion is provided on one side of the limit block 10, and the protrusion is adapted to the annular groove 13, and the protrusion is embedded in the annular groove 13. The plurality of limit blocks 10 are arranged in a circular array with the central axis of the support screw 5 as the center. The other side of the limit block 10 (the side away from the protrusion) fits the inner side wall of the cylindrical groove, and the limit block 10 is located in the cylindrical groove. A plurality of circular holes are provided on the limit pressure ring 8, and a plurality of second threaded holes are provided on the top of the foot cup base 1, and the second threaded holes correspond to the circular holes one by one, and locking screws 9 are inserted into the circular holes and the second threaded holes. The limit pressure ring 8 is fixed to the top of the foot cup base 1 by the locking screw 9, and the limit pressure ring 8 is located on the upper side of the limit block 10. The height of the limit block 10 is the same as the depth of the cylindrical groove, and the limit pressure ring 8 abuts against the top of the limit block 10. This embodiment uses a pressure ring 8 and a plurality of limit blocks 10 to axially limit the support screw 5. During installation, the limit pressure ring 8 is first passed under the support screw 5, and then the limit block 10 is matched with the annular groove 13 on the support screw 5 and placed in the cylindrical groove of the foot cup base 1, and finally the locking screw 9 is installed.

[0033] like Figure 8The third embodiment of the utility model is shown in the figure: this embodiment is improved on the basis of the second embodiment. In order to facilitate the rotation of the adjusting nut 4, a cross bar 11 is welded on the side of the adjusting nut 4. In order to prevent the adjusting nut 4 from loosening during use, a plug hole is vertically arranged on the cross bar 11, and a plurality of slots are arranged on the upper surface of the fixing plate 3. The plurality of slots are arranged in a circular array with the central axis of the supporting screw 5 as the center. After the adjusting nut 4 is locked, the insert rod 12 is inserted into the plug hole, and the lower end of the insert rod 12 is inserted into one of the slots on the upper surface of the fixing plate 3, thereby radially locking the adjusting nut 4.

[0034] When the foot cup needs to be raised, it can be achieved by loosening the adjusting nut 4 and rotating the supporting screw 5. When the foot cup needs to be lowered to be stressed, the adjusting nut 4 is first raised to a sufficiently high position, and then the supporting screw 5 is rotated to make the foot cup base 1 contact with the bottom surface and stressed, and then the adjusting nut 4 is tightened to flatten the anti-loosening spring pad 6.

[0035] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present utility model. In addition, "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it 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 an indirect connection 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 present invention can be understood according to specific circumstances.

[0037] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. An easy-to-operate load-bearing foot cup, characterized in that: The invention comprises a foot cup base (1) and a support screw (5), wherein a cylindrical groove is arranged on the top of the foot cup base (1), the bottom of the support screw (5) is embedded in the cylindrical groove, and the lower end of the support screw (5) abuts against the bottom of the cylindrical groove, and a circle of annular groove (13) is arranged on the bottom side of the support screw (5), and the annular groove (13) is located in the cylindrical groove, and a detachable axial locking unit is connected between the support screw (5) and the foot cup base (1).

2. The easy-to-operate load-bearing foot cup according to claim 1, characterized in that: The axial locking unit comprises a machine screw (7), and at least one first threaded hole is provided on the side of the foot cup base (1), the first threaded hole is directly opposite to the annular groove (13), the machine screw (7) is embedded in the first threaded hole, and the end of the machine screw (7) is inserted into the annular groove (13).

3. The easy-to-operate load-bearing foot cup according to claim 1, characterized in that: The axial locking unit comprises a limiting pressure ring (8) and a plurality of limiting blocks (10), one side of the limiting block (10) is provided with a protrusion, the protrusion is adapted to the annular groove (13), the protrusion is embedded in the annular groove (13), the plurality of limiting blocks (10) are arranged in a circular array with the central axis of the support screw (5) as the center, the other side of the limiting block (10) is in contact with the inner wall of the cylindrical groove, and the limiting block (10) is located in the cylindrical groove.

4. The easy-to-operate load-bearing foot cup according to claim 3, characterized in that: The limiting pressure ring (8) is fixed on the top of the foot cup base (1), and the limiting pressure ring (8) is located on the upper side of the limiting block (10).

5. The easy-to-operate load-bearing foot cup according to claim 4, characterized in that: The height of the limiting block (10) is the same as the depth of the cylindrical groove, and the limiting pressure ring (8) abuts against the top of the limiting block (10).

6. The easy-to-operate load-bearing foot cup according to claim 4, characterized in that: The limiting pressure ring (8) is provided with a plurality of circular holes, and the top of the foot cup base (1) is provided with a plurality of second threaded holes, the second threaded holes corresponding to the circular holes one by one, and locking screws (9) are inserted into the circular holes and the second threaded holes.

7. The easy-to-operate load-bearing foot cup according to claim 1, characterized in that: The foot cup base (1) is in a stepped shape, and the bottom area of ​​the foot cup base (1) is larger than the top area.

8. The easy-to-operate load-bearing foot cup according to claim 7, characterized in that: A shock-absorbing pad (2) is fixed to the bottom of the foot cup base (1).

9. The easy-to-operate load-bearing foot cup according to claim 1, characterized in that: The support screw rod (5) is sleeved with an adjusting nut (4) and an anti-loosening spring washer (6); a fixing plate (3) is fixed to the bottom of the device; a third threaded hole is provided on the fixing plate (3); the support screw rod (5) passes through the third threaded hole; and the anti-loosening spring washer (6) is located between the fixing plate (3) and the adjusting nut (4).

10. The easy-to-operate load-bearing foot cup according to claim 9, characterized in that: A cross bar (11) is fixed to the side of the adjusting nut (4), and a plug hole is arranged on the cross bar (11). A plurality of slots are arranged on the upper surface of the fixing plate (3). The plurality of slots are arranged in a circular array with the central axis of the supporting screw rod (5) as the center. An insertion rod (12) is inserted through the plug hole, and the lower end of the insertion rod (12) is inserted into one of the slots.

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