Wheel capable of being disassembled quickly

Abstract

The utility model belongs to the technical field of trolleys, and particularly relates to a quickly detachable wheel which comprises a supporting rod, the circumferential surface of the supporting rod is in threaded connection with a protective cylinder, a first connecting ring is fixedly installed at the bottom end of the circumferential surface of the supporting rod, an inserting groove is formed in the bottom end of the supporting rod, and an inserting rod is movably inserted into the inserting groove. Connecting rods are fixedly installed at the bottom ends of the inserting rods, second connecting rings are fixedly installed at the upper ends of the circumferential surfaces of the connecting rods, and universal wheels are fixedly installed at the bottom ends of the connecting rods. According to the utility model, a worker drives the protective cylinder to move upwards by rotating the supporting rod, then pulls the grip outwards to drive the clamping ring to move through the pull rod, and pulls the insertion rod fixedly mounted at the upper end of the connecting rod out of the insertion groove, so that the universal wheel is detached from the bottom end of the supporting rod, and then the universal wheel is replaced by a new universal wheel; the inserting rods at the upper ends of the connecting rods are inserted into the inserting grooves to drive the universal wheels to be connected with the supporting rods.

Description

TECHNICAL FIELD

[0001] The utility model relates to handcart technical field, concretely relates to a detachable wheel. BACKGROUND

[0002] The handcart is the carrying vehicle that is pushed and pulled by manpower, although the handcart material handling technology develops unceasingly, but the handcart still as indispensable carrying tool and is followed. The handcart obtains the wide application in production and life because it is low in cost, is simple to maintain, is convenient to operate, is light in weight, can work in the place where the motor vehicle is inconvenient to use, and is very convenient when carrying lighter goods in short distance.

[0003] The existing handcart is very easy to need to replace because of wearing and tearing after long time use, and the replacement mode needs to use the specific tool, when in the emergency situation, without the specific tool, the process of needing to replace the handcart tire will be very tedious, time -consuming and laborious, and the wheel of the handcart is easy to be damaged by the collision of outside, increases the use cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a detachable wheel.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme as follows:

[0006] A detachable wheel, including support rod, the circumferential surface of support rod is connected with the protection cylinder, the bottom end of the circumferential surface of support rod is fixedly installed with first connecting ring, the inside of the bottom end of support rod is provided with the slot, the plug rod is movably inserted in the slot, the bottom end of plug rod is fixedly installed with connecting rod, the circumferential surface upper end of connecting rod is fixedly installed with second connecting ring, the bottom end of connecting rod is fixedly installed with universal wheel, the circumferential surface of protection cylinder is provided with the movable slot, the movable slot is movably installed with pull rod, the inward one end of pull rod is fixedly installed with snap ring, the inside of snap ring is provided with the clamping groove, first connecting ring and second connecting ring are movably installed in the clamping groove, the circumferential surface of pull rod is movably sleeved with spring, the end away from snap ring of spring is fixedly installed with the stop block, the stop block is movably sleeved on the circumferential surface of pull rod, the outward one end of pull rod is fixedly installed with handle.

[0007] Preferably, the left and right sides of the clamping ring are symmetrically fixed with fixing blocks, the middle part of the fixing block is movably inserted with a guide rod, the inside of the protection cylinder is symmetrically provided with guide grooves in front and back, and the front and back ends of the guide rod are movably installed in the guide grooves.

[0008] Preferably, the inner diameter of the protection cylinder is larger than the diameter of the universal wheel; the protection cylinder can more comprehensively protect the universal wheel, thereby prolonging the service life of the universal wheel.

[0009] Preferably, the length of the movable slot is consistent with the diameter of the pull rod; the pull rod can more stably move in the movable slot, thereby stably fixing the first connecting ring and the second connecting ring by the pull rod with the clamping ring.

[0010] Preferably, the clamping groove is fixedly provided with a non-slip pad, and the size of the clamping groove is consistent with the size of the first connecting ring and the second connecting ring; the friction between the clamping ring and the first connecting ring and the second connecting ring can be increased, and the size of the clamping groove is consistent with the size of the first connecting ring and the second connecting ring, so that the first connecting ring and the second connecting ring can be more stably fixed.

[0011] Preferably, the diameter of the guide rod is consistent with the length of the guide groove; the gap between the guide rod and the guide groove can be reduced, so that the guide rod can more stably move in the guide groove, thereby avoiding the deflection of the fixing block on the guide rod, thereby affecting the stability of the clamping ring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) In the application, the staff moves the protection cylinder upward by rotating the supporting rod, then pulls the handle outward, moves the handle with the clamping ring through the pull rod, pulls the plug rod fixedly installed at the upper end of the connecting rod out of the plug slot, thereby dismounting the universal wheel from the bottom end of the supporting rod, replacing the new universal wheel, inserting the plug rod at the upper end of the connecting rod into the plug slot to connect the universal wheel with the supporting rod, then releasing the handle, moving the clamping ring through spring return, thereby fixing the first connecting ring and the second connecting ring by the clamping ring to stably install the universal wheel at the bottom end of the supporting rod.

[0014] (II), in the application, in the process of pulling the handle outward, moving the pull rod with the clasp ring, by moving the clasp ring along the guide rod stably, so as to avoid the deflection of the clasp ring in the moving process, affect the fixation of the first connecting ring and the second connecting ring, then rotate the support rod reversely, move the support rod with the protective cylinder downward, so that the protective cylinder protects the universal wheel, improves the service life of the universal wheel. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 As shown in the whole structure schematic view provided by the utility model;

[0016] Figure 2 As shown in the internal structure schematic view provided by the utility model;

[0017] Figure 3 As shown in the whole structure schematic view provided by the utility model;

[0018] Figure 4 As shown in the whole structure schematic view provided by the utility model;

[0019] Figure: 1, support rod; 2, protective cylinder; 3, first connecting ring; 4, insertion slot; 5, insertion rod; 6, connecting rod; 7, second connecting ring; 8, universal wheel; 9, movable slot; 10, pull rod; 11, clasp ring; 12, clasp groove; 13, spring; 14, stop block; 15, handle; 16, fixed block; 17, guide rod; 18, guide groove. DETAILED DESCRIPTION

[0020] 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.

[0021] Please refer to Figures 1-4 The utility model provides the following embodiments:

[0022] The application discloses a detachable wheel, which comprises a supporting rod 1, a protection cylinder 2 is threadedly connected to the circumferential surface of the supporting rod 1, a first connecting ring 3 is fixedly installed at the bottom end of the circumferential surface of the supporting rod 1, a slot 4 is formed in the bottom end of the supporting rod 1, a plug rod 5 is movably inserted into the slot 4, a connecting rod 6 is fixedly installed at the bottom end of the plug rod 5, a second connecting ring 7 is fixedly installed at the upper end of the circumferential surface of the connecting rod 6, a universal wheel 8 is fixedly installed at the bottom end of the connecting rod 6, a movable groove 9 is symmetrically formed in the circumferential surface of the protection cylinder 2, a pull rod 10 is movably installed in the movable groove 9, a clamping ring 11 is fixedly installed at the inward end of the pull rod 10, a clamping groove 12 is formed in the inner side of the clamping ring 11, the first connecting ring 3 and the second connecting ring 7 are movably installed in the clamping groove 12, a spring 13 is movably sleeved on the circumferential surface of the pull rod 10, a stopper 14 is fixedly installed at the end of the spring 13, the stopper 14 is movably sleeved on the circumferential surface of the pull rod 10, and a handle 15 is fixedly installed at the outward end of the pull rod 10. When the universal wheel 8 needs to be replaced, the staff moves the protection cylinder 2 upwards by rotating the supporting rod 1, pulls the handle 15 outwards, moves the handle 15 and the clamping ring 11 by the pull rod 10, moves the clamping ring 11 out of the first connecting ring 3 and the second connecting ring 7, simultaneously extrudes the spring 13 by the clamping ring 11, pulls the plug rod 5 fixedly installed at the upper end of the connecting rod 6 out of the slot 4, detaches the universal wheel 8 from the bottom end of the supporting rod 1, replaces the universal wheel 8, inserts the plug rod 5 at the upper end of the connecting rod 6 into the slot 4, connects the universal wheel 8 with the supporting rod 1, loosens the handle 15, moves the clamping ring 11 by the reset of the spring 13, clamps the first connecting ring 3 and the second connecting ring 7 in the clamping groove 12, fixes the first connecting ring 3 and the second connecting ring 7, stably installs the universal wheel 8 at the bottom end of the supporting rod 1, reversely rotates the supporting rod 1, moves the supporting rod 1 downwards with the protection cylinder 2, and protects the universal wheel 8 by the protection cylinder 2, thereby prolonging the service life of the universal wheel 8.

[0023] Specifically, the left and right sides of the clamping ring 11 are symmetrically fixedly installed with fixed blocks 16, the middle part of the fixed blocks 16 is movably inserted with guide rods 17, the inner sides of the protection cylinder 2 are symmetrically formed with guide grooves 18, and the front and back ends of the guide rods 17 are movably installed in the guide grooves 18. By symmetrically fixing the left and right sides of the clamping ring 11 with the fixed blocks 16, and then sleeving the fixed blocks 16 on the circumferential surface of the guide rods 17, the clamping ring 11 can be stably moved along the guide rods 17 when the handle 15 is pulled outwards and the clamping ring 11 is moved by the pull rod 10, thereby avoiding the deflection of the clamping ring 11 in the moving process and affecting the fixation of the first connecting ring 3 and the second connecting ring 7.

[0024] Specifically, the inner diameter size of the protective cylinder 2 is greater than the diameter size of the universal wheel 8; by letting the inner diameter size of the protective cylinder 2 be greater than the diameter size of the universal wheel 8, the protective cylinder 2 can more comprehensively protect the universal wheel 8, thereby improving the service life of the universal wheel 8.

[0025] Specifically, the length size of the movable slot 9 is consistent with the diameter size of the pull rod 10; by letting the length size of the movable slot 9 be consistent with the diameter size of the pull rod 10, the pull rod 10 can more stably move in the movable slot 9.

[0026] Specifically, the anti-skid pad is fixedly installed in the clamping slot 12, and the size of the clamping slot 12 is consistent with the size of the first connecting ring 3 and the second connecting ring 7; by fixing the anti-skid pad in the clamping slot 12, the friction between the clamping ring 11 and the first connecting ring 3 and the second connecting ring 7 can be increased, and at the same time, the size of the clamping slot 12 is consistent with the size of the first connecting ring 3 and the second connecting ring 7, so that the clamping slot 12 can more stably fix the first connecting ring 3 and the second connecting ring 7.

[0027] Specifically, the diameter size of the guide rod 17 is consistent with the length size of the guide slot 18; by letting the diameter size of the guide rod 17 be consistent with the length size of the guide slot 18, the gap between the guide rod 17 and the guide slot 18 can be reduced, so that the guide rod 17 can more stably move in the guide slot 18.

[0028] The working principle of the utility model is as follows: the staff rotates the supporting rod 1 to move the protective cylinder 2 upwards, then pulls the handle 15 outward, so that the handle 15 moves the clamping ring 11 through the pull rod 10, then the clamping ring 11 moves out of the first connecting ring 3 and the second connecting ring 7, and at the same time, the clamping ring 11 extrudes the spring 13, then the plug rod 5 fixedly installed at the upper end of the connecting rod 6 is pulled out of the plug slot 4, so that the universal wheel 8 is detached from the bottom end of the supporting rod 1, then a new universal wheel 8 is replaced, the plug rod 5 at the upper end of the connecting rod 6 is inserted into the plug slot 4 to connect the universal wheel 8 with the supporting rod 1, then the handle 15 is loosened, the clamping ring 11 is moved through the reset of the spring 13, then the first connecting ring 3 and the second connecting ring 7 are clamped in the clamping slot 12, so that the first connecting ring 3 and the second connecting ring 7 are fixed to stably install the universal wheel 8 at the bottom end of the supporting rod 1, and at the same time, in the process of pulling the handle 15 outward, the clamping ring 11 moves stably along the guide rod 17, so that the clamping ring 11 is prevented from being deflected in the moving process, thereby affecting the fixation of the first connecting ring 3 and the second connecting ring 7, then the supporting rod 1 is reversely rotated to move the supporting rod 1 downwards with the protective cylinder 2, so that the protective cylinder 2 protects the universal wheel 8, thereby improving the service life of the universal wheel 8.

[0029] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the whole scope and equivalents thereof.

Claims

1. A quick release wheel comprising a support stem (1), characterized in that: The circumference surface of the support rod (1) is threadedly connected with a protective cylinder (2), the bottom end of the circumference surface of the support rod (1) is fixedly installed with a first connecting ring (3), the bottom end of the support rod (1) is internally provided with a slot (4), the slot (4) is movably inserted with a plug rod (5), the bottom end of the plug rod (5) is fixedly installed with a connecting rod (6), the circumference surface of the upper end of the connecting rod (6) is fixedly installed with a second connecting ring (7), the bottom end of the connecting rod (6) is fixedly installed with a universal wheel (8), the circumference surface of the protective cylinder (2) is symmetrically provided with a movable groove (9), the movable groove (9) is movably installed with a pull rod (10), the inward end of the pull rod (10) is fixedly installed with a clamping ring (11), the inner side of the clamping ring (11) is provided with a clamping groove (12), the first connecting ring (3) and the second connecting ring (7) are movably installed in the clamping groove (12), the circumference surface of the pull rod (10) is movably sleeved with a spring (13), the end of the spring (13) away from the clamping ring (11) is fixedly installed with a stop block (14), the stop block (14) is movably sleeved on the circumference surface of the pull rod (10), the outward end of the pull rod (10) is fixedly installed with a handle (15).

2. A quick release wheel as claimed in claim 1, wherein: The left and right sides of the clamping ring (11) are symmetrically fixedly installed with a fixed block (16), the middle part of the fixed block (16) is movably inserted with a guide rod (17), the inside of the protective cylinder (2) is symmetrically provided with a guide groove (18) in front and back, the front and back ends of the guide rod (17) are movably installed in the guide groove (18).

3. A quick release wheel as defined in claim 1, wherein: The inner diameter size of the protective cylinder (2) is greater than the diameter size of the universal wheel (8).

4. The quick-release wheel of claim 1, wherein: The length size of the movable groove (9) is consistent with the diameter size of the pull rod (10).

5. The quick release wheel of claim 1, wherein: The clamping groove (12) is fixedly installed with an anti-skid pad, the size of the clamping groove (12) is consistent with the size of the first connecting ring (3) and the second connecting ring (7).

6. A quick release wheel as defined in claim 2, wherein: The diameter size of the guide rod (17) is consistent with the length size of the guide groove (18).

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