Universal rotating wheel with anti-skid function

Abstract

The utility model relates to the technical field of universal rotating wheels, and discloses a universal rotating wheel with an anti-skid function, which solves the problem that the anti-skid effect of the existing universal rotating wheel is poorer, and comprises a mounting plate, a U-shaped frame is arranged under the mounting plate, a connecting shaft is rotatably connected in the U-shaped frame, a roller is fixedly mounted on the outer side of the connecting shaft, and the roller is fixedly mounted on the outer side of the connecting shaft. A mounting column is fixedly mounted at the bottom of the mounting plate, a supporting column is fixedly mounted at the bottom end of the mounting column, the bottom end of the supporting column is rotationally connected to the top of a U-shaped frame, and a limiting mechanism is mounted on the U-shaped frame and comprises a U-shaped round rod fixed to the top of the U-shaped frame; according to the anti-skidding device, through cooperation of the screw rod, the screw sleeve, the lifting plate and the U-shaped round rod, the lifting column can conveniently drive the arc-shaped block to move downwards, then the locking gear can descend to be connected with the outer gear in a meshed mode, the connecting shaft can be conveniently fixed and prevented from rotating, and therefore rolling of the rolling wheels is avoided, and the anti-skidding effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of universal rotating wheels, in particular to a universal rotating wheel with an anti-skid function. Background Art

[0002] A universal swivel wheel, or caster, is a wheel that can roll and turn freely in multiple directions. Casters have a wide range of applications and are not only suitable for scenarios such as suitcases, furniture, and warehouse shelves, but are also widely used in logistics equipment, office furniture, industrial equipment, medical equipment, and household appliances. In these fields, the existence of casters enables equipment to move easily in different directions and adapt to various complex working environments.

[0003] The current universal wheel stopper is installed on the outer end surface of one side of the caster frame by rotating the bearing, and the universal wheel is stopped by the friction between the stopper and the universal wheel. However, the current stopper is easy to loosen, resulting in reduced friction between the universal wheel and the universal wheel, thus poor anti-skid effect. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a universal swivel wheel with an anti-skid function, which effectively solves the problem that the current universal swivel wheel has a poor anti-skid effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal rotating wheel with anti-skid function, comprising a mounting plate, a U-shaped frame is provided directly below the mounting plate, a connecting shaft is rotatably connected in the U-shaped frame, a roller is fixedly installed on the outer side of the connecting shaft, a mounting column is fixedly installed at the bottom of the mounting plate, a supporting column is fixedly installed at the bottom end of the mounting column, the bottom end of the supporting column is rotatably connected to the top of the U-shaped frame, and a limiting mechanism is installed on the U-shaped frame;

[0006] The limiting mechanism includes a U-shaped round rod fixed to the top of the U-shaped frame, a lifting plate is movably sleeved on the outer side of the U-shaped round rod, a lifting column is fixedly installed on the bottom of the lifting plate, the bottom end of the lifting column extends into the U-shaped frame and is fixedly installed with an arc block, and the lifting column is movably connected to the U-shaped frame, a locking gear is fixedly installed on the bottom of the arc block, and an external gear matched with the locking gear is fixedly installed on the outer side of the connecting shaft, and the external gear is located directly below the locking gear.

[0007] Preferably, a top plate is fixedly installed on the top of the U-shaped frame, a lifting column passes through the top plate and is movably connected to the top plate, a screw is rotatably connected to the top of the top plate, a handwheel is fixedly installed on the top of the screw, a screw sleeve is threadedly sleeved on the outer side of the screw, and the screw sleeve is fixed to the outer side of the lifting plate.

[0008] Preferably, a sleeve plate located above the lifting plate is fixedly sleeved on the outer side of the U-shaped round rod, and the screw rod passes through the sleeve plate and is rotatably connected to the sleeve plate.

[0009] Preferably, the support column includes an L-shaped round rod fixed between the top plate and the U-shaped frame, a slider is movably sleeved on the outer side of the L-shaped round rod, an insertion rod is fixedly installed on the top of the slider, a fixing ring is fixedly installed on the outer side of the mounting column, and holes are provided at equal angles on the outer side of the fixing ring, and the inner diameter of each hole is equal to the outer diameter of the insertion rod.

[0010] Preferably, a movable rod is rotatably connected to the top of the sliding block, and an end of the movable rod away from the sliding block is rotatably connected to a side of the lifting plate away from the screw sleeve.

[0011] Preferably, a guide groove is provided on the outer side of the L-shaped round rod, a guide block is slidably connected in the guide groove, and the guide block is fixed to the inner side of the sliding block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the lifting column to drive the arc block to move downward through the cooperation between the screw and the screw sleeve and the lifting plate and the U-shaped round rod, and then enables the locking gear to descend and mesh with the external gear, so as to fix the connecting shaft to prevent it from rotating, thereby preventing the roller from rolling and achieving an anti-slip effect;

[0014] (2) The new type facilitates the downward sliding of the lifting plate along the U-shaped round rod through the cooperation between the screw rod and the screw sleeve, and facilitates the stable sliding of the slider along the L-shaped round rod through the cooperation between the movable rod and the slider, and the guide block and the guide groove. Then, the insertion rod can be inserted into the corresponding insertion hole, and the U-shaped frame can be fixed to the mounting column, thereby preventing the roller from rotating in a circle, further improving the anti-skid effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the universal swivel wheel with anti-skid function of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the L-shaped round rod structure of the utility model;

[0020] In the figure: 1. mounting plate; 2. limiting mechanism; 201. U-shaped round rod; 202. top plate; 203. screw rod; 204. screw sleeve; 205. hand wheel; 206. sleeve plate; 207. lifting plate; 208. movable rod; 209. L-shaped round rod; 2010. lifting column; 2011. locking gear; 2012. arc block; 2013. plug rod; 2014. guide block; 2015. slider; 2016. guide groove; 3. support column; 4. external gear; 5. roller; 6. connecting shaft; 7. U-shaped frame; 8. socket; 9. fixing ring; 10. mounting column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Embodiment 1, by Figure 1 The utility model includes a mounting plate 1, a U-shaped frame 7 is provided directly below the mounting plate 1, a connecting shaft 6 is rotatably connected inside the U-shaped frame 7, a roller 5 is fixedly installed on the outer side of the connecting shaft 6, a mounting column 10 is fixedly installed on the bottom of the mounting plate 1, a supporting column 3 is fixedly installed on the bottom end of the mounting column 10, the bottom end of the supporting column 3 is rotatably connected to the top of the U-shaped frame 7, and a limiting mechanism 2 is installed on the U-shaped frame 7.

[0023] Specifically, by Figure 2 The limiting mechanism 2 includes a U-shaped round rod 201 fixed to the top of the U-shaped frame 7, a lifting plate 207 is movably sleeved on the outer side of the U-shaped round rod 201, a lifting column 2010 is fixedly installed at the bottom of the lifting plate 207, the bottom end of the lifting column 2010 extends into the U-shaped frame 7 and is fixedly installed with an arc block 2012, and the lifting column 2010 is movably connected to the U-shaped frame 7, a locking gear 2011 is fixedly installed at the bottom of the arc block 2012, and an outer gear 4 adapted to the locking gear 2011 is fixedly installed on the outer side of the connecting shaft 6, and the outer gear 4 is located at the locking gear 2011. Directly below the gear 2011, a top plate 202 is fixedly installed on the top of the U-shaped frame 7, a lifting column 2010 penetrates the top plate 202 and is movably connected to the top plate 202, a screw rod 203 is rotatably connected to the top of the top plate 202, a hand wheel 205 is fixedly installed on the top of the screw rod 203, a screw sleeve 204 is threadedly sleeved on the outer side of the screw rod 203, the screw sleeve 204 is fixed to the outer side of the lifting plate 207, a sleeve plate 206 located above the lifting plate 207 is fixedly sleeved on the outer side of the U-shaped round rod 201, and the screw rod 203 penetrates the sleeve plate 206 and is rotatably connected to the sleeve plate 206;

[0024] When in use, first rotate the hand wheel 205 to drive the screw rod 203 to rotate, and drive the lifting plate 207 to slide downward along the U-shaped round rod 201 through the screw sleeve 204, and drive the lifting column 2010 and the arc block 2012 to slide downward, and at the same time, the locking gear 2011 descends until it is meshed and connected with the external gear 4. At this time, the connecting shaft 6 is limited to prevent it from rotating, and finally the roller 5 is prevented from rolling, thereby achieving an anti-slip effect.

[0025] Specifically, by Figure 3 It is given that the support column 3 includes an L-shaped round rod 209 fixed between the top plate 202 and the U-shaped frame 7, a slider 2015 is movably sleeved on the outer side of the L-shaped round rod 209, a plug rod 2013 is fixedly installed on the top of the slider 2015, a fixing ring 9 is fixedly installed on the outer side of the mounting column 10, and a plug hole 8 is provided at an equal angle on the outer side of the fixing ring 9, and the inner diameter value of each plug hole 8 is equal to the outer diameter value of the plug rod 2013, and a movable rod 208 is rotatably connected to the top of the slider 2015, and the end of the movable rod 208 away from the slider 2015 is rotatably connected to the side of the lifting plate 207 away from the screw sleeve 204, and a guide groove 2016 is provided on the outer side of the L-shaped round rod 209, and a guide block 2014 is slidably connected in the guide groove 2016, and the guide block 2014 is fixed to the inner side of the slider 2015;

[0026] When in use, when the lifting plate 207 slides downward along the U-shaped round rod 201, the movable rod 208 drives the slider 2015 to slide along the L-shaped round rod 209 and away from the top plate 202. At the same time, the guide block 2014 slides in the guide groove 2016 to limit the slider 2015, thereby ensuring the stability of the slider 2015 when sliding. The insertion rod 2013 is then driven to move horizontally until it is inserted into the corresponding insertion hole 8, thereby fixing the U-shaped frame 7 and the mounting column 10 to prevent the U-shaped frame 7 from rotating relative to the mounting column 10, and finally preventing the roller 5 from rotating in a circle, thereby further improving the anti-slip effect.

Claims

1. A universal swivel wheel with anti-skid function, comprising a mounting plate (1), characterized in that: A U-shaped frame (7) is provided directly below the mounting plate (1), a connecting shaft (6) is rotatably connected inside the U-shaped frame (7), a roller (5) is fixedly installed on the outer side of the connecting shaft (6), a mounting column (10) is fixedly installed at the bottom of the mounting plate (1), a supporting column (3) is fixedly installed at the bottom end of the mounting column (10), the bottom end of the supporting column (3) is rotatably connected to the top of the U-shaped frame (7), and a limiting mechanism (2) is installed on the U-shaped frame (7); The limiting mechanism (2) comprises a U-shaped round rod (201) fixed to the top of the U-shaped frame (7); a lifting plate (207) is movably sleeved on the outer side of the U-shaped round rod (201); a lifting column (2010) is fixedly installed on the bottom of the lifting plate (207); the bottom end of the lifting column (2010) extends into the U-shaped frame (7) and is fixedly installed with an arc block (2012); the lifting column (2010) is movably connected to the U-shaped frame (7); a locking gear (2011) is fixedly installed on the bottom of the arc block (2012); an external gear (4) matched with the locking gear (2011) is fixedly installed on the outer side of the connecting shaft (6); and the external gear (4) is located directly below the locking gear (2011).

2. The universal swivel wheel with anti-slip function according to claim 1, characterized in that: A top plate (202) is fixedly mounted on the top of the U-shaped frame (7); a lifting column (2010) passes through the top plate (202) and is movably connected to the top plate (202); a screw rod (203) is rotatably connected to the top of the top plate (202); a hand wheel (205) is fixedly mounted on the top of the screw rod (203); a screw sleeve (204) is threadedly sleeved on the outer side of the screw rod (203); and the screw sleeve (204) is fixed to the outer side of the lifting plate (207).

3. The universal swivel wheel with anti-skid function according to claim 1, characterized in that: The outer side of the U-shaped round rod (201) is fixedly sleeved with a sleeve plate (206) located above the lifting plate (207), and the screw rod (203) penetrates the sleeve plate (206) and is rotatably connected to the sleeve plate (206).

4. The universal swivel wheel with anti-skid function according to claim 1, characterized in that: The support column (3) comprises an L-shaped round rod (209) fixed between the top plate (202) and the U-shaped frame (7); a slider (2015) is movably sleeved on the outer side of the L-shaped round rod (209); a plug rod (2013) is fixedly installed on the top of the slider (2015); a fixing ring (9) is fixedly installed on the outer side of the mounting column (10); and plug holes (8) are arranged at equal angles on the outer side of the fixing ring (9); and the inner diameter value of each plug hole (8) is equal to the outer diameter value of the plug rod (2013).

5. The universal swivel wheel with anti-skid function according to claim 4, characterized in that: The top of the slider (2015) is rotatably connected to a movable rod (208), and one end of the movable rod (208) away from the slider (2015) is rotatably connected to a side of the lifting plate (207) away from the screw sleeve (204).

6. The universal swivel wheel with anti-skid function according to claim 4, characterized in that: A guide groove (2016) is provided on the outer side of the L-shaped round rod (209), a guide block (2014) is slidably connected in the guide groove (2016), and the guide block (2014) is fixed to the inner side of the sliding block (2015).

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