Trundle support capable of being disassembled and repaired

Abstract

The utility model provides a caster support capable of being disassembled and repaired. Belongs to casters. According to the technical key points, the device comprises a supporting mechanism, the supporting mechanism comprises a wheel carrier, shaft holes are formed in the two sides of the interior of the wheel carrier, a groove is formed in the top of the wheel carrier, a bearing matched with the groove is arranged in the groove in an overlapping mode, and a plurality of outer clamping grooves are formed in the inner wall of the groove in an annular array mode; a plurality of outer clamping blocks are fixedly connected to the outer side of the bearing in an annular array mode, the outer clamping blocks are inserted into the outer clamping grooves correspondingly, supporting grooves communicating with each other are formed in the bottoms of the grooves, and through holes communicating with the interior of the wheel frame are formed in the bottoms of the supporting grooves; a plurality of inner clamping blocks are fixedly connected into the bearing in an annular array mode. The utility model aims to provide a caster support capable of being disassembled and repaired. The whole trundle support is more convenient and quicker to disassemble and repair.

Description

TECHNICAL FIELD

[0001] The utility model relates to a trundle field, concretely is a kind of detachable trundle support. BACKGROUND

[0002] Trundle is a collective term, including movable trundle, fixed trundle and movable trundle with brake.Movable trundle is also called universal wheel, its structure allows 360 degree rotation;Fixed trundle is also called directional trundle, it has no rotating structure and cannot rotate.Usually two kinds of trundles are generally used in pairs, such as the structure of handcart is two directional wheels in front, two universal wheels close to the pushing handrail at the back, wherein the trundle is mainly composed of roller and support.

[0003] The current trundle support, as described in the patent with announcement number CN217917466U, includes a support shell, the support shell is provided with a mounting portion;The trundle support further includes: a first turntable assembly, which is arranged at the top of the mounting portion;The first turntable assembly includes a hollow wear-resistant wave disc and a first steel ball group movably connected between the wear-resistant wave disc and the mounting portion;A second turntable assembly is arranged at the bottom of the mounting portion;The second turntable assembly includes a small wave disc and a second steel ball group arranged between the small wave disc and the mounting portion;And a fastener is used to compress the wear-resistant wave disc and is fixed riveted with the small wave disc.

[0004] For the related technology in the above, the inventor believes that by riveting process of rivet, the mounting plate and the small wave disc are riveted and fixed, which makes it inconvenient to disassemble and maintain when the first turntable assembly and the second turntable assembly are damaged subsequently. UTILITY MODEL CONTENTS

[0005] The purpose of the utility model is to provide a detachable trundle support to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A detachable trundle support includes

[0008] A support mechanism includes a wheel frame, both sides of the inside of the wheel frame are provided with shaft holes, a groove is formed in the top of the wheel frame, a bearing is arranged in the groove, a plurality of outer clamping grooves are annularly arranged on the inner wall of the groove, a plurality of outer clamping blocks are fixedly connected to the outer side of the bearing in an annular array, each group of outer clamping blocks is respectively inserted into the inside of each group of outer clamping grooves, a support groove is formed in the bottom of the groove in communication, a through hole is formed in the bottom of the support groove in communication with the inside of the wheel frame, and a plurality of inner clamping blocks are fixedly connected to the inside of the bearing in an annular array.

[0009] The connecting mechanism comprises a connecting column provided on the upper portion of the wheel frame and matched with the inside of the bearing, a plurality of inner clamping grooves are fixedly connected to the outer side of the connecting column in an annular array, each group of the inner clamping grooves is matched with each group of the inner clamping blocks, a bottom block is provided in the inside of the wheel frame, a hexagonal insertion column is fixedly connected to the middle position of the top of the bottom block, a screw rod is fixedly connected to the top of the hexagonal insertion column, a hexagonal insertion groove matched with the hexagonal insertion column is formed in the bottom of the connecting column, a connecting hole communicated with the hexagonal insertion groove is formed in the top of the connecting column, a nut matched with the screw rod is arranged in the inside of the connecting hole, a plurality of fixed screw columns are detachably connected to the opposite sides of the bottom block and the connecting column in an annular array, and each group of the fixed screw columns is movably connected with a ball near the side of the wheel frame.

[0010] As a further scheme of the present application, the bottom of the wheel frame and the inner bottom wall of the supporting groove are both provided with ball grooves matched with the balls.

[0011] As a further scheme of the present application, the fixed screw columns on the two sides are respectively screwed with the connecting column and the bottom block, and each group of the fixed screw columns is fixedly connected with a hexagonal nut on the outer side.

[0012] As a further scheme of the present application, the outer side of the connecting column is fixedly connected with a shielding cover matched with the top of the wheel frame.

[0013] As a further scheme of the present application, the outer side of the connecting column is fixedly connected with a connecting plate, and a plurality of fixing holes are uniformly formed in the inside of the connecting plate on the two sides.

[0014] As a further scheme of the present application, the outer side of the connecting column is fixedly connected with a plurality of reinforcing rib plates in an annular array, and each group of the reinforcing rib plates is fixedly connected with the connecting plate.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] After the above structure is adopted, the recess, the bottom block, the hexagonal insertion column and the nut are matched with each other, so that when the bearing or the ball is damaged, the nut can be unscrewed to release the limiting of the screw rod and the bottom block, then the hexagonal insertion column and the screw rod can be taken out from the inside of the through hole, and then the connecting column can be taken out from the inside of the bearing, if the bearing is damaged, the bearing can be taken out from the inside of the recess and then a new bearing is put in, and if the ball is damaged, the corresponding fixed screw column can be unscrewed and then screwed into the corresponding position, so that the ball and the bearing can be replaced and maintained, and the disassembly and repair of the whole caster support are more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in detail below in combination with the embodiments in the drawings, but does not constitute any limitation to the utility model.

[0018] Figure 1 It is a whole structure explosion map of the detachable caster support.

[0019] Figure 2 It is a whole structure explosion map of the detachable caster support. Figure 1

[0020] Figure 3 It is another view structure explosion map of the detachable caster support.

[0021] Figure 4 It is another view structure explosion map of the detachable caster support. Figure 3

[0022] Figure 5 It is another view structure explosion map of the detachable caster support. Figure 3

[0023] In the drawing: 1, support mechanism;101, wheel frame;102, shaft hole;103, recess;104, support groove;105, through hole;106, ball groove;107, bearing;108, outer clamping groove;109, outer clamping block;110, inner clamping block;2, connecting mechanism;201, connecting column;202, inner clamping groove;203, fixed stud;204, ball;205, hexagonal nut;206, shielding cover;207, connecting plate;208, reinforcing rib plate;209, hexagonal insertion slot;210, bottom block;211, hexagonal insertion column;212, screw;213, connecting hole;214, nut;215, fixed hole. DETAILED DESCRIPTION

[0024] The technical scheme of the patent will be further explained in detail below in combination with the specific embodiments.

[0025] Please refer to Figures 1-5 A detachable caster support, including support mechanism 1, support mechanism 1 includes wheel frame 101, the inside both sides of wheel frame 101 are provided with shaft hole 102, the setting of shaft hole 102 is used for the rotating shaft of the roller to be penetrated.The top of wheel frame 101 is provided with recess 103, recess 103 is provided with the bearing 107 of adaptation inside, the setting of recess 103 is used for containing bearing 107 and preventing.The inner wall of recess 103 is annular array and is provided with a plurality of outer clamping grooves 108, the outer side of bearing 107 is annular array and is fixedly connected with a plurality of outer clamping blocks 109, each group of outer clamping blocks 109 is inserted in the inside of each group of outer clamping grooves 108, the setting of outer clamping groove 108 and outer clamping block 109 is convenient for the outer ring of bearing 107 to play the role of limiting.

[0026] ​​​The inner part of the bearing 107 is fixedly connected with a plurality of inner clamping blocks 110 in a ring array, the connecting mechanism 2 comprises a connecting column 201 arranged above the wheel frame 101 and matched with the inner part of the bearing 107, the outer side of the connecting column 201 is fixedly connected with a plurality of inner clamping grooves 202 in a ring array, each group of inner clamping grooves 202 is matched with each group of inner clamping blocks 110, and the inner clamping grooves 202 are arranged to accommodate the inner clamping blocks 110 after the connecting column 201 is inserted into the inner part of the bearing 107. The outer side of the connecting column 201 is fixedly connected with a connecting plate 207, and the outer side of the connecting column 201 is fixedly connected with a plurality of reinforcing rib plates 208 in a ring array, each group of reinforcing rib plates 208 is fixedly connected with the connecting plate 207, and the reinforcing rib plates 208 are arranged to connect and fix the connecting plate 207 and the connecting column 201, thereby improving the connection stability of the connecting column 201 and the connecting plate 207.

[0027] A plurality of fixing holes 215 are uniformly arranged in the inner part of the connecting plate 207, the fixing holes 215 are arranged to be penetrated by bolts or screws, thereby facilitating the connection of the entire caster support with the equipment to be supported. The outer side of the connecting column 201 is fixedly connected with a shielding cover 206 matched with the top of the wheel frame 101, the shielding cover 206 is arranged to shield the bearing 107 after the connecting column 201 is inserted into the inner part of the bearing 107, so as to reduce the probability of foreign matter falling into the inner part of the bearing 107. The inner part of the wheel frame 101 is provided with a bottom block 210, the top middle position of the bottom block 210 is fixedly connected with a hexagonal insertion column 211, the top of the hexagonal insertion column 211 is fixedly connected with a screw rod 212, the bottom of the groove 103 is provided with a support groove 104 in communication, the bottom of the support groove 104 is provided with a through hole 105 in communication with the inner part of the wheel frame 101, and the through hole 105 is arranged to be penetrated by the screw rod 212 and the hexagonal insertion column 211.

[0028] The bottom of the connecting column 201 is provided with a hexagonal insertion groove 209 matched with the hexagonal insertion column 211, and the hexagonal insertion groove 209 is arranged to be inserted by the hexagonal insertion column 211. The top of the connecting column 201 is provided with a connecting hole 213 in communication with the hexagonal insertion groove 209, the inner part of the connecting hole 213 is provided with a nut 214 matched with the screw rod 212, the connecting hole 213 is arranged to accommodate the nut 214, so that after the screw rod 212 is inserted into the inner part of the connecting hole 213, the nut 214 can be screwed into the outer side of the connecting hole 213 and screwed tightly to realize the limiting and fixing of the screw rod 212. The opposite sides of the bottom block 210 and the connecting column 201 are detachably connected with a plurality of fixed screw columns 203 in a ring array, and the two sides of the fixed screw columns 203 are respectively screwed with the connecting column 201 and the bottom block 210, so as to facilitate the subsequent disassembly and replacement of the fixed screw columns 203.

[0029] The outer side of each group of fixing studs 203 is fixedly connected with a hexagonal nut 205, and the hexagonal nut 205 is arranged to facilitate the adjustment of the fixing stud 203 by using a wrench. The side of each group of fixing studs 203 close to the wheel frame 101 is movably connected with a ball 204, and the ball 204 is arranged to roll when the wheel frame 101 rotates, thereby reducing the probability of the connecting column 201 and the bottom block 210 directly contacting the wheel frame 101, and further making the rotation of the wheel frame 101 more smooth. The bottom of the wheel frame 101 and the inner bottom wall of the supporting groove 104 are both provided with a ball groove 106, the ball groove 106 is matched with the ball 204, and the ball groove 106 is arranged to accommodate and limit the ball 204.

[0030] In use, the connecting column 201 is inserted into the inside of the bearing 107, and each group of inner clamping blocks 110 is inserted into the inside of each group of inner clamping grooves 202, then the screw rod 212 and the hexagonal insertion column 211 are inserted into the inside of the hexagonal insertion groove 209 through the penetrating hole 105, then the nut 214 is screwed onto the outside of the screw rod 212 through the connecting hole 213, and is screwed tightly against the inner bottom wall of the connecting hole 213. During the use of the whole caster support, if the bearing 107 or the ball 204 is damaged, the nut 214 can be unscrewed, thereby releasing the limitation of the screw rod 212 and the bottom block 210, then the hexagonal insertion column 211 and the screw rod 212 can be taken out from the inside of the penetrating hole 105, and then the connecting column 201 can be taken out from the inside of the bearing 107. If the bearing 107 is damaged, the bearing 107 can be taken out from the inside of the recess 103 and then a new bearing 107 is put in. If the ball 204 is damaged, the corresponding fixing stud 203 can be unscrewed and then screwed into the corresponding position, thereby replacing and maintaining the ball 204 and the bearing 107.

[0031] The above-mentioned embodiments are the preferred embodiments of the present application, which are only used to facilitate the description of the present application and do not limit the present application in any form. Any person with ordinary knowledge in the art can make partial changes or modifications to the equivalent embodiments within the scope of the technical features of the present application without departing from the technical features of the present application, and the equivalent embodiments still belong to the scope of the technical features of the present application.

Claims

1. A detachable caster bracket, characterized in that: include A support mechanism (1), the support mechanism (1) comprising a wheel frame (101), shaft holes (102) are provided on both sides of the interior of the wheel frame (101), a groove (103) is provided on the top of the wheel frame (101), a matching bearing (107) is placed inside the groove (103), the inner wall of the groove (103) is provided with a plurality of external slots (108) in an annular array, the outer side of the bearing (107) is fixedly connected with a plurality of external blocks (109) in an annular array, each group of the external blocks (109) is respectively plugged into the interior of each group of the external slots (108), the bottom of the groove (103) is provided with a connected support groove (104), the bottom of the support groove (104) is provided with a through hole (105) connected to the interior of the wheel frame (101), and the interior of the bearing (107) is fixedly connected with a plurality of internal blocks (110) in an annular array; A connecting mechanism (2), wherein the connecting mechanism (2) includes a connecting column (201) provided above the wheel frame (101) and adapted to the interior of the bearing (107); a plurality of inner slots (202) are fixedly connected to the outer side of the connecting column (201) in a circular array; each group of the inner slots (202) is respectively adapted to each group of the inner block (110); a bottom block (210) is provided inside the wheel frame (101); a hexagonal plug column (211) is fixedly connected to the middle position of the top of the bottom block (210); a screw (212) is fixedly connected to the top of the hexagonal plug column (211); The bottom of the connecting column (201) is provided with a hexagonal slot (209) adapted to the hexagonal plug column (211), the top of the connecting column (201) is provided with a connecting hole (213) connected to the hexagonal slot (209), the interior of the connecting hole (213) is provided with a nut (214) adapted to the screw rod (212), the opposite sides of the bottom block (210) and the connecting column (201) are both detachably connected to a plurality of fixing studs (203) in a circular array, and each group of the fixing studs (203) is movably connected to a side close to the wheel frame (101) with a ball (204).

2. The detachable caster bracket according to claim 1, characterized in that: The bottom of the wheel frame (101) and the inner bottom wall of the support groove (104) are both provided with ball grooves (106), and the ball grooves (106) are adapted to the balls (204).

3. The detachable caster bracket according to claim 1, characterized in that: The fixing studs (203) on both sides are respectively threadedly connected to the connecting column (201) and the bottom block (210), and the outer side of each group of the fixing studs (203) is fixedly connected with a hexagonal nut (205).

4. The detachable caster bracket according to claim 1, characterized in that: A shielding cover (206) is fixedly connected to the outer side of the connecting column (201), and the shielding cover (206) is adapted to the top of the wheel frame (101).

5. The detachable caster bracket according to claim 1, characterized in that: A connecting plate (207) is fixedly connected to the outer side of the connecting column (201), and a plurality of fixing holes (215) are evenly formed on both sides of the interior of the connecting plate (207).

6. The detachable caster bracket according to claim 5, characterized in that: A plurality of reinforcing ribs (208) are fixedly connected to the outer side of the connecting column (201) in a circular array, and each group of the reinforcing ribs (208) is fixedly connected to the connecting plate (207).

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