PU wheel convenient to disassemble and assemble

Abstract

The PU wheel convenient to disassemble and assemble comprises a top plate, a first supporting plate and a second supporting plate are arranged at the two ends of the bottom of the top plate respectively, a wheel body is arranged between the first supporting plate and the second supporting plate, a bearing is embedded in the wheel body, a fixing assembly is arranged on one side of the second supporting plate, and a supporting rod is arranged on the second supporting plate. A fixing block and a positioning block are arranged at one end of the supporting rod, a clamping groove is formed in the top of the other end of the supporting rod, two sets of positioning grooves are formed in the bottom of one side of the first supporting plate, and metal check blocks are arranged on the two sides of the wheel body. According to the PU wheel, the fixing assembly, the supporting rod, the fixing block, the clamping groove, the positioning block, the positioning groove and the metal check block are arranged, the wheel body of the PU wheel can be disassembled and assembled without the help of external tools, the disassembly and assembly convenience of the wheel body of the PU wheel can be further improved, and the overall installation stability of the PU wheel can still be ensured along with the increase of the disassembly and assembly times of the wheel body of the PU wheel through the structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to PU wheel technical field, concretely is a PU wheel convenient to dismount. BACKGROUND

[0002] PU wheel refers to the wheel made of polyurethane material, PU is a kind of material with elasticity, wear resistance, shock absorption and compressive strength, so it is often used to make the wheel of skateboard, luggage, roller shoes, roller, etc.

[0003] Prior art has the following deficiencies: in the prior art with the application number 202220583022.5 "PU wheel with anti-skid effect", "including PU wheel main body, the one end of PU wheel main body is fixedly installed with first support plate, the top of first support plate is fixedly connected with elastic member, the top of elastic member is fixedly connected with top plate, PU wheel main body includes hub, the inner wall of hub is rotatably connected with main shaft through bearing, the surface of hub is fixedly connected with PU wheel face, the surface of PU wheel face is respectively provided with first anti-skid groove, second anti-skid groove and third anti-skid groove";

[0004] The above-mentioned PU wheel can effectively improve the overall anti-skid property of PU wheel main body by setting first anti-skid groove, second anti-skid groove and the like, but the above-mentioned PU wheel is mainly connected and supported by bolt to the inner ring of wheel body embedded bearing, when the wheel body needs to be replaced alone in later period, it is often necessary to use wrench and other external tools to disassemble and assemble the bolt on the wheel body, which is more troublesome, and the disassembly and assembly convenience of the wheel body of PU wheel can be further improved, and after the wheel body of the above-mentioned PU wheel is connected and supported by bolt, with the increase of the disassembly and assembly times of the wheel body of PU wheel, the thread connection between bolt and wheel body support plate is prone to slippage, which further affects the installation stability of PU wheel as a whole. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a PU wheel convenient to dismount to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PU wheel convenient to dismount, including top plate, the bottom of top plate is provided with first support plate and second support plate respectively, wheel body is arranged between first support plate and second support plate, bearing is embedded in wheel body, fixed assembly is arranged on the side of second support plate, support rod is arranged on second support plate, fixed block and positioning block are arranged on one end of support rod, clamping groove is arranged on the other end top of support rod, two groups of positioning grooves are arranged on the bottom of the side of first support plate, metal stopper is arranged on the both sides of wheel body;

[0007] The fixed assembly includes a mounting block, a hollow groove, a spring, a fixed rod, a limiting groove, a limiting block and a pull rod, one side of the second supporting plate is provided with the mounting block, the bottom of the mounting block is provided with the hollow groove, the spring is arranged in the hollow groove, the bottom of the mounting block is provided with the fixed rod, the inner wall of the hollow groove is provided with the limiting groove on both sides, the top end of the fixed rod is provided with the limiting block, and the top of the mounting block is provided with the pull rod.

[0008] As a preferred technical scheme of the utility model, the inner ring opening size of the bearing is matched with the supporting rod, and the metal stoppers are fixedly installed at both ends of the inner ring of the bearing.

[0009] As a preferred technical scheme of the utility model, the first supporting plate, the second supporting plate and the two groups of metal stoppers are all provided with the matched opening, the fixed block is fixedly installed at one end of the supporting rod, and the other end of the supporting rod sequentially penetrates through the first supporting plate, the metal stopper, the inner ring of the bearing and the second supporting plate.

[0010] As a preferred technical scheme of the utility model, the fixed block is fixedly installed with the two groups of positioning blocks on the side close to the first supporting plate, the two groups of positioning grooves are matched with the two groups of positioning blocks, the two groups of positioning blocks are clamped in the two groups of positioning grooves, and the two groups of metal stoppers are close to the first supporting plate and the second supporting plate.

[0011] As a preferred technical scheme of the utility model, the mounting block is fixedly installed on one side of the second supporting plate, one end of the spring is fixedly installed on the top of the inner wall of the hollow groove, the hollow groove is matched with the fixed rod, and the top end of the fixed rod is fixedly installed on the other end of the spring after being inserted into the hollow groove.

[0012] As a preferred technical scheme of the utility model, the top end of the fixed rod is fixedly installed with the limiting block on both sides, the two groups of limiting grooves are matched with the two groups of limiting blocks, the two groups of limiting blocks are clamped in the two groups of limiting grooves, the clamping groove is matched with the bottom end of the fixed rod, and the bottom end of the fixed rod is clamped in the clamping groove.

[0013] As a preferred technical scheme of the utility model, the pull rod is in the shape of T, and the bottom end of the pull rod is fixedly installed on the top end of the fixed rod after sequentially penetrating through the top of the mounting block, the hollow groove and the spring.

[0014] Compared with the prior art, the PU wheel convenient to disassemble has the following beneficial effects:

[0015] 1. The PU wheel convenient to disassemble, through the setting fixed assembly, support rod, fixed block, clamping groove, positioning block, positioning groove, metal stopper, the fixed rod can limit and fix the support rod, the metal stopper can prevent the wheel body 4 from moving left and right during use, so that the wheel body can be installed and fixed, when the wheel body needs to be replaced alone, pull the pull rod upwards to make the fixed rod separate from the clamping groove, pull the support rod towards the fixed block at the same time to make it separate from the wheel body, move the wheel body to take it out to complete the disassembly, reverse the above operation to complete the installation of the wheel body, this structure makes the wheel body of the PU wheel disassembly without the help of external tools, which can further improve the convenience of disassembly of the wheel body of the PU wheel;

[0016] 2. The PU wheel convenient to disassemble, through the setting fixed assembly, support rod, fixed block, clamping groove, positioning block, positioning groove, metal stopper, and with the increase of the disassembly times of the wheel body of the PU wheel, due to the elastic effect of the spring, the fixed rod is still tightly clamped in the clamping groove, the fixed rod can still limit and fix the support rod, the support rod will not move randomly, which can ensure the stable support and fixation of the support rod to the wheel body, the metal stopper on both sides is still attached to the first support plate and the second support plate, which can still prevent the wheel body from moving left and right during use, this structure makes the PU wheel still ensure the installation stability of the whole PU wheel with the increase of the disassembly times of the wheel body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the support rod structure schematic diagram of the utility model;

[0019] Figure 3 It is the installation block sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is the positioning groove schematic diagram of the utility model;

[0021] Figure 5 It is the wheel body structure schematic diagram of the utility model.

[0022] In the drawing: 1, top plate; 2, first support plate; 3, second support plate; 4, wheel body; 5, bearing; 6, fixed assembly; 601, installation block; 602, hollow groove; 603, spring; 604, fixed rod; 605, limiting groove; 606, limiting block; 607, pull rod; 7, support rod; 8, fixed block; 9, clamping groove; 10, positioning block; 11, positioning groove; 12, metal stopper. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5 In the embodiment, the PU wheel convenient to disassemble comprises a top plate 1, first support plates 2 and second support plates 3 are arranged at the bottom of the top plate 1, a wheel body 4 is arranged between the first support plates 2 and the second support plates 3, bearings 5 are embedded in the wheel body 4, the bearings 5 can conveniently rotate and install the wheel body 4, a fixing assembly 6 is arranged on one side of the second support plate 3, support rods 7 are arranged on the second support plate 3, the support rods 7 can support the wheel body 4 and conveniently connect the wheel body 4, the first support plates 2 and the second support plates 3, fixing blocks 8 and positioning blocks 10 are arranged at one end of the support rods 7, clamping grooves 9 are formed at the top of the other end of the support rods 7, the clamping grooves 9 can conveniently connect fixing rods 604 and the support rods 7, two groups of positioning grooves 11 are formed at the bottom of one side of the first support plates 2, and metal stop blocks 12 are arranged on the two sides of the wheel body 4.

[0025] The fixing assembly 6 comprises mounting blocks 601, hollow grooves 602, springs 603, fixing rods 604, limiting grooves 605, limiting blocks 606 and pull rods 607, the mounting blocks 601 are arranged on one side of the second support plate 3, the hollow grooves 602 are formed at the bottom of the mounting blocks 601, the springs 603 are arranged in the hollow grooves 602, the fixing rods 604 are arranged at the bottom of the mounting blocks 601, the fixing rods 604 can limit and fix the support rods 7, the limiting grooves 605 are formed at the inner walls of the hollow grooves 602, the limiting blocks 606 are arranged at the top end of the fixing rods 604, and the pull rods 607 are arranged at the top of the mounting blocks 601.

[0026] In the embodiment, the inner ring opening size of the bearings 5 is matched with the support rods 7, and the metal stop blocks 12 are fixedly arranged at the two ends of the inner ring of the bearings 5.

[0027] Specifically, the metal stop blocks 12 can avoid the abrasion caused by the direct contact between the two sides of the wheel body 4 and the first support plates 2 and the second support plates 3.

[0028] In the embodiment, the first support plates 2, the second support plates 3 and the two groups of metal stop blocks 12 are all provided with openings matched with the support rods 7, the fixing blocks 8 are fixedly arranged at one end of the support rods 7, and the other end of the support rods 7 sequentially passes through the first support plates 2, the metal stop blocks 12, the inner ring of the bearings 5 and the second support plates 3.

[0029] Specifically, the fixing block 8 can limit and fix the left and right movement of the support rod 7.

[0030] In this embodiment, two groups of positioning blocks 10 are fixedly installed on the side of the fixing block 8 that is attached to the first support plate 2, two groups of positioning grooves 11 are respectively matched with the two groups of positioning blocks 10, the two groups of positioning blocks 10 are respectively clamped in the two groups of positioning grooves 11, and two groups of metal stop blocks 12 are respectively attached to the first support plate 2 and the second support plate 3.

[0031] Specifically, the positioning block 10 in combination with the positioning groove 11 can facilitate the determination of the position correspondence between the fixing rod 604 and the clamping groove 9.

[0032] In this embodiment, the mounting block 601 is fixedly installed on one side of the second support plate 3, one end of the spring 603 is fixedly installed on the top of the inner wall of the hollow groove 602, the hollow groove 602 is matched with the fixing rod 604, and the top end of the fixing rod 604 is fixedly installed on the other end of the spring 603 after extending into the hollow groove 602.

[0033] Specifically, the mounting block 601 can facilitate the installation of the fixing rod 604 and the pull rod 607.

[0034] In this embodiment, the top end of the fixing rod 604 is fixedly installed with two limiting blocks 606 on both sides, two groups of limiting grooves 605 are respectively matched with the two groups of limiting blocks 606, the two groups of limiting blocks 606 are respectively clamped in the two groups of limiting grooves 605, the clamping groove 9 is matched with the bottom end of the fixing rod 604, and the bottom end of the fixing rod 604 is clamped in the clamping groove 9.

[0035] Specifically, the limiting block 606 in combination with the limiting groove 605 can prevent the fixing rod 604 from being separated from the mounting block 601.

[0036] In this embodiment, the pull rod 607 is in the shape of a “T”, and the bottom end of the pull rod 607 is fixedly installed on the top end of the fixing rod 604 after sequentially passing through the top of the mounting block 601, the hollow groove 602, and the spring 603.

[0037] Specifically, the movement of the fixing rod 604 can be controlled by pulling the pull rod 607.

[0038] The working principle and use process of the utility model: the operator first checks whether the relevant components are installed to the correct position, the fixed rod 604 can limit and fix the supporting rod 7, the metal stopper 12 can avoid the abrasion caused by the direct contact between the two sides of the wheel body 4 and the first supporting plate 2 and the second supporting plate 3, and the adhesion between the two sides of the metal stopper 12 and the first supporting plate 2 and the second supporting plate 3 can prevent the wheel body 4 from moving left and right during use, the positioning block 10 combined with the positioning groove 11 can determine that the fixed rod 604 corresponds to the position of the clamping groove 9 before the fixed rod 604 is connected with the supporting rod 7, and then the wheel body 4 can be installed and fixed, when the wheel body 4 needs to be replaced alone, the fixed rod 604 is separated from the clamping groove 9 by pulling the pull rod 607 upwards, and the supporting rod 7 is pulled to the fixed block 8 direction at the same time to make it separate from the wheel body 4 and the first supporting plate 2, the wheel body 4 can be taken out from between the first supporting plate 2 and the second supporting plate 3 by moving the wheel body 4, and the disassembly of the wheel body 4 can be completed, and the installation of the wheel body 4 can be completed by reversing the above operation, and the structure makes the wheel body 4 of the PU wheel disassembly without the aid of external tools, and the disassembly convenience of the wheel body 4 of the PU wheel can be further improved;

[0039] And with the increase of the disassembly times of the wheel body 4 of the PU wheel, the fixed rod 604 can still be tightly clamped in the clamping groove 9 due to the elastic effect of the spring 603, the fixed rod 604 can still limit and fix the supporting rod 7, and the supporting rod 7 will not move randomly, so that the stability of the supporting and fixing of the supporting rod 7 to the wheel body 4 can be ensured, and the adhesion between the two sides of the metal stopper 12 and the first supporting plate 2 and the second supporting plate 3 can still prevent the wheel body 4 from moving left and right during use, and the structure makes the PU wheel still ensure the installation stability of the whole PU wheel with the increase of the disassembly times of the wheel body 4.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A PU wheel that is easy to assemble and disassemble, comprising a top plate (1), wherein a first support plate (2) and a second support plate (3) are respectively provided at the bottom ends of the top plate (1), a wheel body (4) is provided between the first support plate (2) and the second support plate (3), and a bearing (5) is embedded in the wheel body (4), characterized in that: One side of the second support plate (3) is provided with a fixed component (6), the second support plate (3) is provided with a support rod (7), one end of the support rod (7) is provided with a fixed block (8), a positioning block (10), the other end of the support rod (7) is provided with a clamping groove (9), the bottom of one side of the first support plate (2) is provided with two groups of positioning grooves (11), both sides of the wheel body (4) are provided with metal stoppers (12). The fixed component (6) includes a mounting block (601), a hollow groove (602), a spring (603), a fixed rod (604), a limiting groove (605), a limiting block (606) and a pull rod (607), one side of the second support plate (3) is provided with a mounting block (601), the bottom of the mounting block (601) is provided with a hollow groove (602), the hollow groove (602) is provided with a spring (603), the bottom of the mounting block (601) is provided with a fixed rod (604), both sides of the inner wall of the hollow groove (602) are provided with a limiting groove (605), the top end of the fixed rod (604) is provided with a limiting block (606), the top of the mounting block (601) is provided with a pull rod (607).

2. The PU wheel of easy disassembly according to claim 1, characterized in that: The inner ring opening size of the bearing (5) is matched with the support rod (7), and the metal stoppers (12) are fixedly installed at both ends of the inner ring of the bearing (5).

3. The PU wheel of easy disassembly according to claim 1, characterized in that: The first support plate (2), the second support plate (3) and the two groups of metal stoppers (12) are all provided with openings matched with the support rod (7), the fixed block (8) is fixedly installed at one end of the support rod (7), and the other end of the support rod (7) sequentially penetrates through the first support plate (2), the metal stopper (12), the inner ring of the bearing (5), the second support plate (3).

4. The PU wheel of easy disassembly according to claim 1, characterized in that: The side of the fixed block (8) close to the first support plate (2) is fixedly provided with two groups of positioning blocks (10), the two groups of positioning grooves (11) are matched with the two groups of positioning blocks (10) respectively, the two groups of positioning blocks (10) are clamped in the two groups of positioning grooves (11) respectively, and the two groups of metal stoppers (12) are close to the first support plate (2) and the second support plate (3) respectively.

5. The PU wheel of easy disassembly according to claim 1, characterized in that: The mounting block (601) is fixedly installed on one side of the second support plate (3), one end of the spring (603) is fixedly installed on the top of the inner wall of the hollow groove (602), the hollow groove (602) is matched with the fixed rod (604), and the top end of the fixed rod (604) is fixedly installed on the other end of the spring (603) after extending into the hollow groove (602).

6. The PU wheel of easy disassembly according to claim 1, characterized in that: The top end of the fixed rod (604) is fixedly provided with limiting blocks (606) on both sides, the two groups of limiting grooves (605) are matched with the two groups of limiting blocks (606) respectively, the two groups of limiting blocks (606) are clamped in the two groups of limiting grooves (605) respectively, the clamping groove (9) is matched with the bottom end of the fixed rod (604), and the bottom end of the fixed rod (604) is clamped in the clamping groove (9).

7. The PU wheel of easy disassembly according to claim 1, characterized in that: The pull rod (607) is in "T" shape, the bottom end of the pull rod (607) is fixedly installed at the top end of the fixed rod (604) through the top of the mounting block (601), the hollow groove (602) and the spring (603) in sequence.

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