Detachable movable wheel fork for universal wheel

Abstract

The utility model relates to the technical field of universal wheel components, and discloses a detachable movable wheel fork for a universal wheel, which comprises a U-shaped top frame and two groups of support frames, the two groups of support frames are respectively positioned on the inner side of the U-shaped top frame, and two side walls of the U-shaped top frame are respectively provided with an adjusting component; a positioning assembly is rotationally installed on one side of the top of the U-shaped top frame and comprises a connecting frame, the connecting frame is fixedly installed on one side of the top of the U-shaped top frame, clamping rods slidably penetrate out of the two sides of the lower portion of the connecting frame respectively, multiple sets of clamping grooves matched with the clamping rods to be clamped in are formed in the outer wall of the hand wheel at equal intervals, and the positioning assembly clamps and limits the hand wheel. And the support frame is prevented from moving in the U-shaped top frame. Compared with the prior art, the utility model has the advantages that the two groups of support frames are driven by the adjusting assembly to carry out position adjustment and disassembly on the inner side of the U-shaped top frame, wheels with different sizes can be mounted, and the support frames are convenient to disassemble and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to a universal wheel assembly technical field, specifically point to a detachable activity wheel fork for universal wheel. BACKGROUND

[0002] The caster is a collective term, including movable caster and fixed caster. The fixed caster has no rotating structure and can only rotate vertically. The universal wheel is so-called movable caster, and its structure allows horizontal 360-degree rotation. The two kinds of casters are generally used in combination, such as the structure of the handcart is two fixed wheels in front, and two movable universal wheels close to the pushing handle at the back.

[0003] When the universal wheel is used for a long time, the universal wheel will be worn, causing inconvenience in movement, so the universal wheel needs to be replaced frequently. The fixing of the universal wheel is mostly fixed by a fixed wheel fork. The structure of the fixed wheel fork is an inverted U-shaped frame, and the distance between the two side walls is fixed. Therefore, the replaced wheel must be consistent in size, otherwise it cannot be installed inside the wheel fork. When there is no identical wheel, it cannot be replaced and maintained, resulting in the device being unable to move, which causes inconvenience in production.

[0004] In view of the above technical problems, the application provides a detachable activity wheel fork for universal wheel. CONTENT OF THE UTILITY MODEL

[0005] I. Technical problems to be solved

[0006] The technical problem to be solved by the utility model is that the fixing of the universal wheel is mostly fixed by a fixed wheel fork. The structure of the fixed wheel fork is an inverted U-shaped frame, and the distance between the two side walls is fixed. Therefore, the replaced wheel must be consistent in size, otherwise it cannot be installed inside the wheel fork. When there is no identical wheel, it cannot be replaced and maintained, resulting in the device being unable to move.

[0007] II. Technical scheme

[0008] To solve the above technical problems, the utility model provides a technical scheme that a detachable activity wheel fork for universal wheel, including U-shaped top frame and two groups of support frames, two groups of support frames are located inside the U-shaped top frame respectively, U-shaped top frame two side walls are installed with adjusting assembly respectively, and the position adjusting and dismounting of two groups of support frames inside the U-shaped top frame are driven by the adjusting assembly;

[0009] The U-shaped top frame top side is rotationally installed with a positioning assembly, the positioning assembly clamps and limits the hand wheel, preventing the support frame from moving in the U-shaped top frame;

[0010] The positioning assembly comprises a connecting frame fixedly installed on one side of the top of the U-shaped top frame, and two clamping rods are slidably arranged on the lower part of the connecting frame.

[0011] As an improvement, the adjusting assembly comprises a threaded shaft and a hand wheel, the threaded shaft is rotatably arranged through the side wall of the U-shaped top frame, and one end of the threaded shaft located outside the U-shaped top frame is connected with the hand wheel, a threaded sleeve is arranged through the upper part of the supporting frame, and the threaded shaft is arranged through the threaded sleeve and connected through threads.

[0012] As an improvement, the U-shaped top frame is provided with a limiting rod on the inner wall of each side thereof, and the supporting frame is provided with a through hole through which the limiting rod is arranged.

[0013] As an improvement, the side wall of the U-shaped top frame and the supporting frame are both in an arc shape, and the supporting frame is an extension of the side wall of the U-shaped top frame.

[0014] As an improvement, the lower part of the supporting frame is located outside the U-shaped top frame and is provided with a mounting hole.

[0015] As an improvement, the clamping rod is connected with the inner side of the lower part of the connecting frame through a spring, and a pushing block is arranged on one end of the clamping rod extending out of the connecting frame.

[0016] III. Advantages

[0017] Compared with the prior art, the advantages of the present application are as follows: the two supporting frames are driven by the adjusting assembly to adjust and disassemble the position inside the U-shaped top frame, different sizes of wheels can be installed, and the supporting frame can be easily disassembled and replaced, the hand wheel of the adjusting assembly is clamped and limited by the positioning assembly, the movement of the supporting frame inside the U-shaped top frame is prevented, and the stability of the wheel installation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the detachable universal wheel movable wheel fork.

[0019] Figure 2 It is a U-shaped top frame front side structure schematic view of the detachable universal wheel movable wheel fork.

[0020] Figure 3 It is a U-shaped top frame rear side structure schematic view of the detachable universal wheel movable wheel fork.

[0021] Figure 4 It is a supporting frame structure schematic view of the detachable universal wheel movable wheel fork.

[0022] As shown in the figure: 1, U-shaped top frame; 2, support frame; 3, threaded shaft; 4, hand wheel; 5, threaded sleeve; 6, limiting rod; 7, through hole; 8, mounting hole; 9, connecting frame; 10, clamping rod; 11, clamping groove; 12, push block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As shown in the figures Figure 1 and the accompanying Figure 4 A detachable movable wheel fork for universal wheels comprises a U-shaped top frame 1 and two groups of support frames 2. The two groups of support frames 2 are respectively located inside the U-shaped top frame 1. The side walls of the U-shaped top frame 1 and the support frames 2 are both arc-shaped structures. The support frames 2 are extensions of the side walls of the U-shaped top frame 1, so that the inside of the support frames 2 can be installed with wheels of various radii. The lower parts of the support frames 2 are located outside the U-shaped top frame 1 and are provided with mounting holes 8. The connection shafts are passed between the shaft ends of the wheels and the mounting holes 8 to install the wheels.

[0025] In order to install wheels of different widths between the two groups of support frames 2, as shown in the figures Figure 3 and the accompanying Figure 4 Adjusting assemblies are respectively installed on the two side walls of the U-shaped top frame 1. The adjusting assemblies comprise threaded shafts 3 and hand wheels 4. The threaded shafts 3 are rotatably passed through the side walls of the U-shaped top frame 1 and are connected with the hand wheels 4 at the ends outside the U-shaped top frame 1. Threaded sleeves 5 are passed and installed on the upper parts of the support frames 2. The threaded shafts 3 are passed through the threaded sleeves 5 and are connected by threads. The hand wheels 4 are rotated to drive the threaded shafts 3 to rotate. The threaded shafts 3 rotate inside the threaded sleeves 5. Limiting rods 6 are respectively installed on the inner walls of the two sides of the U-shaped top frame 1. The support frames 2 are provided with through holes 7 through which the limiting rods 6 are passed. The limiting rods 6 are passed inside the through holes 7 to limit the support frames 2, preventing the support frames 2 from rotating with the threaded shafts 3. The threaded shafts 3 drive the threaded sleeves 5 to move, thereby adjusting the positions of the support frames 2. The adjusting assemblies drive the two groups of support frames 2 to adjust the positions inside the U-shaped top frame 1, facilitating the installation of wheels of different widths. The threaded sleeves 5 are separated from the outside of the threaded shafts 3, so that the support frames 2 can be disassembled.

[0026] In order to fix the positions of the support frames 2, as shown in the figures Figure 2As shown, the U-shaped top frame 1 top side is rotatably installed with a positioning assembly, the positioning assembly includes a connecting frame 9, the connecting frame 9 is fixedly installed on the U-shaped top frame 1 top side, the connecting frame 9 lower part both sides are respectively slidably penetrated with a clamping rod 10, the clamping rod 10 and the connecting frame 9 lower part inner side are connected through a spring, the clamping rod 10 is pushed out of the connecting frame 9 through the spring, and the clamping rod 10 is elastically supported, one end of the clamping rod 10 extending out of the connecting frame 9 is installed with a knob 12, the knob 12 is pushed, the clamping rod 10 is driven to move in the connecting frame 9 lower part inner side, the hand wheel 4 outer wall is equidistantly provided with a plurality of clamping grooves 11 matched with the clamping rod 10 clamped, before rotating the hand wheel 4, the clamping rod 10 is removed from the clamping groove 11 by pushing the knob 12, then the hand wheel 4 is rotated to adjust the position of the supporting frame 2, when the position of the supporting frame 2 is adjusted, the knob 12 is loosened, the clamping rod 10 is pushed into the clamping groove 11 at the appropriate position outside the hand wheel 4 through the spring rebound force, the hand wheel 4 is clamped and limited, and the movement of the supporting frame 2 in the U-shaped top frame 1 is prevented, in order to ensure the stable installation of the wheel, a plurality of gaskets can be sleeved outside the connecting shaft.

[0027] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the spirit and scope of the present application, which are defined by the appended claims and their equivalents.

[0029] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, similar structural modes and embodiments are designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A detachable live fork for universal wheel, comprising a U-shaped top frame (1) and two groups of support frames (2), characterized in that: the two groups of support frames (2) are respectively located inside the U-shaped top frame (1), and adjusting assemblies are respectively installed on the two side walls of the U-shaped top frame (1), the two groups of support frames (2) are driven by the adjusting assemblies to adjust and detach the positions inside the U-shaped top frame (1); a positioning assembly is rotatably installed on one side of the top of the U-shaped top frame (1), the positioning assembly clamps and limits a hand wheel (4) to prevent the support frames (2) from moving inside the U-shaped top frame (1); the positioning assembly comprises a connecting frame (9) fixedly installed on one side of the top of the U-shaped top frame (1), and a clamping rod (10) is slidably arranged on the lower part of each side of the connecting frame (9); a plurality of clamping grooves (11) are equidistantly arranged on the outer wall of the hand wheel (4) and matched with the clamping rods (10). The adjusting assembly comprises a threaded shaft (3) and a hand wheel (4), the threaded shaft (3) is rotatably arranged through the side wall of the U-shaped top frame (1) and connected with the hand wheel (4) at the end outside the U-shaped top frame (1), a threaded sleeve (5) is arranged through the upper part of the support frame (2), the threaded shaft (3) passes through the threaded sleeve (5) and is connected by threads. Limiting rods (6) are respectively installed on the inner walls of the two sides of the U-shaped top frame (1), and the support frames (2) are provided with through holes (7) matched with the limiting rods (6). The side wall of the U-shaped top frame (1) and the support frame (2) are both arc-shaped structures, and the support frame (2) is an extension of the side wall of the U-shaped top frame (1).

2. A detachable live axle for a universal wheel as defined in claim 1, wherein: The lower part of the support frame (2) is located outside the U-shaped top frame (1) and is provided with a mounting hole (8).

3. A detachable live swivel for a universal wheel according to claim 2, characterized in that: The clamping rod (10) and the lower part of the connecting frame (9) are connected by a spring, and a pushing block (12) is installed on the end of the clamping rod (10) extending out of the connecting frame (9).

4. A detachable live swivel for a universal wheel as defined in claim 1, characterized in that: ​ 5. A detachable live fork for a universal wheel as defined in claim 4, wherein: ​ 6. A detachable live fork for a universal wheel according to claim 1, wherein: ​

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