Luggage case wheel convenient for climbing steps

Abstract

The utility model relates to the technical field of wheels, and discloses a luggage case wheel convenient to climb steps, the inner wall of a groove is rotatably connected with a rotating rod, the outer wall of the bottom of the rotating rod is fixedly connected with a limiting ring, the inner wall, close to the limiting ring, of the groove is fixedly connected with a limiting block, and the inner wall of one side, close to the limiting ring, of a connecting shell is provided with an insertion hole; the insertion holes penetrate through the connecting shell, and insertion rods are inserted into the inner walls of the insertion holes. Through the arrangement of the limiting ring and the inserting rod, in the using process of the equipment, the limiting block in the connecting shell limits the connecting position of the rotating rod and the limiting ring, the limiting ring is clamped to the bottom of the groove and is not prone to loosening, and the inserting rod is inserted into the inserting hole so that the inserting rod can be conveniently pulled out and replaced after being broken; and when the wheels are extruded, the limiting blocks and the inserting rods stably fix the second clamping blocks, the situation that the rotating rods are extruded to the bottom of the connecting shell to cause breakage or looseness can be avoided, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel equipment, in particular to a luggage case wheel which is convenient for climbing stairs. Background Art

[0002] Luggage is widely used in our daily lives, and is particularly important for long-distance travel or business trips. Because they are large and can hold a large amount of clothing and other daily necessities, they are generally heavy. Luggage is often equipped with casters, which people use to roll it along the ground by pulling the handle.

[0003] Application number CN202220141525.7 discloses a durable luggage wheel, belonging to the field of luggage. The wheel comprises a luggage body, a mounting seat fixedly mounted on the lower end surface of the luggage body, a mounting slot formed on the lower end surface of the mounting seat, through holes formed on both sides of the mounting slot, a crossbar slidably connected to the interior of the through hole, a sleeve slidably connected to the side of the crossbar, a roller slidably sleeved on the outer surface of the sleeve, a bracket fixedly mounted on the inner side surface of the roller, one end of the bracket fixedly mounted to the other inner side surface of the roller, a connecting ring fixedly mounted on the side surface of each bracket, one end of the connecting ring fixedly mounted on the side surface of the other bracket, a support plate fixedly mounted on the middle portion of the lower end surface of each connecting ring, the ends of the support plate being fixedly mounted to the sides of the brackets fixedly mounted at both ends of the connecting ring. This durable luggage wheel, through the bracket, connecting ring, and support rod, can increase the structural strength of the roller, prevent the roller from breaking during use, and improve the performance.

[0004] The durable luggage wheels disclosed in the above document have the following defects: during use, when climbing stairs, the wheels need to bear the weight of the suitcase. The suitcase is lifted and lowered again and again and smashed onto the stairs. The wheels need to have a huge load-bearing capacity. The steering of the wheels is mainly driven by the turning rod. When the impact force squeezes the wheels, the turning rod is easily affected and breaks, detaches, or loosens, making it impossible for the wheels to reverse and rotate.

[0005] It can be seen from this that the existing luggage case wheels that are convenient for climbing stairs do not have the function of reinforcing and locking the rotating rod of the wheel. It is necessary to improve the existing deficiencies and provide a function that can reinforce and lock the rotating rod of the wheel. Utility Model Content

[0006] The purpose of the present invention is to provide a luggage wheel that is convenient for climbing stairs, so as to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] The utility model provides a luggage wheel that is convenient for climbing stairs, comprising a mounting structure and a wheel body, the wheel body being fixedly connected to the outer wall of the mounting structure, the mounting structure comprising a shell, a connecting shell being provided on the lower surface of the shell, a groove being provided on the inner wall of the shell, the groove penetrating the shell and extending to the interior of the connecting shell, a rotating rod being rotatably connected to the inner wall of the groove, the top of the rotating rod being located in the groove of the shell, the top of the rotating rod being located in the groove of the shell, a limiting ring being fixedly connected to the bottom outer wall of the rotating rod, a limiting block being fixedly connected to the inner wall of the groove close to the limiting ring, an insertion hole being provided on the inner wall of the connecting shell close to the limiting ring, the insertion hole penetrating the connecting shell, and an insertion rod being inserted into the inner wall of the insertion hole. The purpose of this arrangement is that when the wheel adjusts the steering during use of the device, the rotating rod drives the wheel body connected to the connecting shell to rotate, and the limit block in the connecting shell limits the connection between the rotating rod and the limit ring, and the limit ring is clamped at the bottom of the groove and is not easy to loosen. The insertion rod is inserted into the socket to facilitate the removal and replacement of the broken rod. The rod is inserted into the connection between the limit block and the limit ring for reinforced connection. When the wheel is squeezed, the limit block and the rod firmly fix the clamping block 2, which can prevent the rotating rod from being squeezed to the bottom of the connecting shell to cause breakage or loosening, thereby improving the service life of the device.

[0009] Furthermore, the connecting shell has several ventilation slots on its upper surface, extending through the connecting shell. The housing also has several screw holes on its outer wall, with bolts threaded onto the inner walls of several of these holes. This arrangement allows the housing to be placed in a corner of a suitcase during use, with bolts securing the device to the bottom. The ventilation slots dissipate heat generated by the rotation of the wheel body.

[0010] Furthermore, the bottom outer walls of the connecting shell are provided with circular grooves, the inner walls of which are rotatably connected to a rotating shaft. The ends of the rotating shaft are fixedly connected to fastening blocks, which are located on the outer walls of the connecting shell near the circular grooves. This arrangement allows the rotating shaft to rotate the wheel body during use, while the two connecting shells are used to limit and secure the rotating shaft to the connecting shell.

[0011] Furthermore, the outer wall of the connecting shell near the insertion hole is provided with two limiting holes. A first clamping block is inserted into the inner wall of one limiting hole, and a second clamping block is inserted into the inner wall of the other limiting hole. Protective covers are fixedly connected to the outer walls of the first and second clamping blocks. The purpose of this arrangement is to use the two protective covers to isolate and protect the fastening blocks during use of the device, thereby preventing the rotating shaft from being affected by collision and wear, which could cause the driving wheel body to fall off. By inserting the first clamping block into the limiting hole and pressing the second clamping block, the second clamping block is locked into the mounting structure, making the structure detachable and improving the flexibility of the device.

[0012] Furthermore, a rim is provided on the exterior of the rotating shaft, with a slot formed on the outer wall of the rim. A plurality of friction strips are fixedly connected to the inner wall of the slot, and the rim is sleeved onto the outer wall of the rotating shaft via the slot. This arrangement is intended to ensure that, during use of the device, the friction strips limit the position between the slot and the rotating shaft, further tightening the connection between the rim and the rotating shaft.

[0013] Furthermore, a tire is fixedly connected to the outer wall of the rim, and a plurality of rubber bumps are fixedly connected to the outer wall of the tire. This arrangement is intended to prevent the wheels from slipping when climbing stairs during use of the device, which can cause safety hazards. The rubber bumps on the tire increase friction between the tire and the ground, greatly reducing the risk of the wheel body slipping.

[0014] The utility model has the following beneficial effects:

[0015] (1) The utility model is provided with a limit ring and an insert rod. During the use of the device, when the wheel adjusts the steering direction, the rotating rod drives the wheel body connected to the connecting shell to rotate, and the limit block in the connecting shell limits the connection between the rotating rod and the limit ring. The limit ring is clamped at the bottom of the groove and is not easy to loosen. The insert rod is inserted into the jack to facilitate the insertion and replacement of the insert rod in case of breakage. The insert rod is inserted into the connection between the limit block and the limit ring to reinforce the connection. When the wheel is squeezed, the limit block and the insert rod firmly fix the clamping block 2, which can prevent the rotating rod from being squeezed to the bottom of the connecting shell and causing breakage or loosening, thereby improving the service life of the device.

[0016] (2) The utility model provides a protective cover and a clamping block. During the use of the device, the two protective covers are used to isolate and protect the fastening block, so that the rotating shaft is not easily affected by collision and wear, which may cause the wheel body to fall off. The clamping block 1 is inserted into the limiting hole, and the clamping block 2 is pressed to clamp the clamping block 2 into the installation structure, making the structure a detachable structure, thereby improving the flexibility of the device.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the installation structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the installation structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the main structure of the wheel of the utility model;

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] In the figure: 1. Mounting structure; 101. Shell; 102. Screw hole; 103. Bolt; 104. Ventilation slot; 105. Rotating rod; 106. Limiting ring; 107. Connecting shell; 108. Groove; 109. Limiting block; 110. Insertion hole; 111. Limiting hole; 112. Circular groove; 113. Protective cover; 114. Block 1; 115. Block 2; 116. Rotating shaft; 117. Fastening block; 118. Inserting rod; 2. Wheel body; 201. Tire; 202. Rim; 203. Slot; 204. Friction strip; 206. Rubber bump. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1 - Figure 4As shown, the utility model is a luggage wheel that is convenient for climbing stairs, comprising a mounting structure 1 and a wheel body 2. The wheel body 2 is fixedly connected to the outer wall of the mounting structure 1. The mounting structure 1 comprises a shell 101. The lower surface of the shell 101 is provided with a connecting shell 107. The inner wall of the shell 101 is provided with a groove 108. The groove 108 passes through the shell 101 and extends to the interior of the connecting shell 107. A rotating rod 105 is rotatably connected to the inner wall of the groove 108. The rotating rod 105 is rotatably connected to the inner wall of the groove 108. The top of 05 is in the groove 108 of the shell 101, the top of the rotating rod 105 is in the groove 108 of the shell 101, the limiting ring 106 is fixedly connected to the bottom outer wall of the rotating rod 105, and the limiting block 109 is fixedly connected to the inner wall of the groove 108 close to the limiting ring 106. A hole 110 is opened on the inner wall of the connecting shell 107 close to the limiting ring 106. The hole 110 passes through the connecting shell 107, and the inner wall of the hole 110 is plugged with a rod 118. The purpose of this arrangement is that during the use of the device, when the wheel adjusts the steering, the rotating rod 105 drives the wheel body 2 connected to the connecting shell 107 to rotate, and the limit block 109 in the connecting shell 107 limits the connection between the rotating rod 105 and the limit ring 106, and the limit ring 106 is clamped at the bottom of the groove 108 so that it is not easy to loosen. The insertion rod 118 is inserted into the socket 110 to facilitate the insertion of the rod 118 when it breaks and is pulled out for replacement. The rod 118 is inserted into the connection between the limit block 109 and the limit ring 106 for reinforced connection. When the wheel is squeezed, the limit block 109 and the rod 118 firmly fix the block 2 115, which can prevent the rotating rod 105 from being squeezed to the bottom of the connecting shell 107 to cause breakage or loosening, thereby improving the service life of the device.

[0027] The connecting shell 107 has several ventilation slots 104 on its upper surface, extending through the connecting shell 107. The housing 101 also has ventilation slots 104 on its upper surface. The outer wall of the housing 101 has several screw holes 102, and bolts 103 are threadedly connected to the inner walls of these screw holes 102. This arrangement allows the housing 101 to be placed in a corner of the bottom of a suitcase and secured to the bottom by bolts 103 during use. The ventilation slots 104 dissipate heat generated by the rotation of the wheel body 2.

[0028] Circular grooves 112 are formed on the outer walls of both sides of the bottom of the connecting shell 107. A rotating shaft 116 is rotatably connected to the inner wall of the circular groove 112. Fastening blocks 117 are fixedly connected to the ends of the rotating shaft 116. The two fastening blocks 117 are located on the outer wall of the connecting shell 107 near the circular groove 112. The purpose of this arrangement is that when the device is in use, rotating the rotating shaft 116 drives the wheel body 2 to rotate, and the two connecting shells 107 are used to limit and fix the rotating shaft 116 to the connecting shell 107.

[0029] Two limiting holes 111 are formed on the outer wall of the connecting shell 107 near the insertion hole 110. A first clamping block 114 is inserted into the inner wall of one limiting hole 111, and a second clamping block 115 is clamped into the inner wall of the other limiting hole 111. Protective covers 113 are fixedly connected to the outer walls of the first clamping block 114 and the second clamping block 115. The purpose of this arrangement is to use the two protective covers 113 to isolate and protect the fastening block 117 during use of the device, so that the rotating shaft 116 is not easily affected by collision and wear, which may cause the wheel body 2 to fall off. By inserting the first clamping block 114 into the limiting hole 111 and pressing the second clamping block 115, the second clamping block 115 is locked into the mounting structure 1, making the structure detachable and improving the flexibility of the device.

[0030] The rotating shaft 116 is provided with a rim 202 on its exterior. A slot 203 is defined on the exterior wall of the rim 202. Several friction strips 204 are fixedly connected to the interior wall of the slot 203. The rim 202 is sleeved onto the exterior wall of the rotating shaft 116 via the slots 203. This arrangement allows the friction strips 204 to limit the position between the slot 203 and the rotating shaft 116 during use of the device, further tightening the connection between the rim 202 and the rotating shaft 116.

[0031] A tire 201 is fixedly connected to the outer wall of the rim 202, and a plurality of rubber bumps 206 are fixedly connected to the outer wall of the tire 201. The purpose of this arrangement is to prevent the wheels from slipping when climbing stairs during use of the device, which may cause certain safety hazards. The rubber bumps 206 on the tire 201 increase the friction between the tire 201 and the ground, greatly reducing the risk of the wheel body 2 slipping.

[0032] When in use, during the use of the device, when the wheel adjusts the steering, the rotating rod 105 drives the wheel body 2 connected to the connecting shell 107 to rotate, and the limit block 109 in the connecting shell 107 limits the connection between the rotating rod 105 and the limit ring 106, and the limit ring 106 is clamped to the bottom of the groove 108 so that it is not easy to loosen. The insertion rod 118 is inserted into the socket 110 to facilitate the insertion rod 118 to be broken, pulled out and replaced, and the insertion rod 118 is inserted into the connection between the limit block 109 and the limit ring 106 for reinforcement. When the wheel is squeezed, the limit block 109 and the insertion rod 118 firmly fix the block 115, which can prevent the rotating rod 105 from being squeezed to the bottom of the connecting shell 107 to cause breakage or loosening, thereby improving the service life of the device.

[0033] When climbing stairs, the wheels are prone to slipping, which may cause certain safety hazards. Rubber bumps 206 are provided on the tire 201 to increase the friction between the tire 201 and the ground, greatly reducing the risk of the wheel body 2 slipping. Two protective covers 113 are used to isolate and protect the fastening block 117, so that the rotating shaft 116 is not easily affected by collision and wear, which may cause the wheel body 2 to fall off. The clamping block 114 is inserted into the limiting hole 111, and the clamping block 115 is pressed to clamp the clamping block 115 into the mounting structure 1, making the structure a detachable structure and improving the flexibility of the device.

[0034] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A luggage wheel for climbing stairs, comprising a mounting structure (1) and a wheel body (2), characterized in that: The wheel body (2) is fixedly connected to the outer wall of the mounting structure (1), and the mounting structure (1) includes a shell (101), a connecting shell (107) is provided on the lower surface of the shell (101), a groove (108) is provided on the inner wall of the shell (101), and the groove (108) passes through the shell (101) and extends to the interior of the connecting shell (107), and a rotating rod (105) is rotatably connected to the inner wall of the groove (108), and the top of the rotating rod (105) is In the groove (108) of the shell (101), a limiting ring (106) is fixedly connected to the bottom outer wall of the rotating rod (105), and a limiting block (109) is fixedly connected to the inner wall of the groove (108) close to the limiting ring (106). A socket (110) is provided on the inner wall of the connecting shell (107) close to the limiting ring (106), and the socket (110) passes through the connecting shell (107). A plug rod (118) is plugged into the inner wall of the socket (110).

2. The luggage wheel for facilitating stair climbing according to claim 1, characterized in that: The upper surface of the connecting shell (107) is provided with a plurality of ventilation slots (104), the ventilation slots (104) penetrate the connecting shell (107), the upper surface of the connecting shell (107) is fixedly connected to the shell (101), the upper surface of the shell (101) is provided with ventilation slots (104), the outer wall of the shell (101) is provided with a plurality of screw holes (102), and the inner walls of the plurality of screw holes (102) are threadedly connected with bolts (103).

3. The luggage wheel for facilitating stair climbing according to claim 1, characterized in that: Circular grooves (112) are provided on the outer walls on both sides of the bottom of the connecting shell (107), a rotating shaft (116) is rotatably connected to the inner wall of the circular groove (112), and fastening blocks (117) are fixedly connected to both ends of the rotating shaft (116), and the two fastening blocks (117) are located on the outer wall of the connecting shell (107) near the circular groove (112).

4. The luggage wheel for facilitating stair climbing according to claim 1, characterized in that: Two limiting holes (111) are provided on the outer wall of the connection shell (107) near the insertion hole (110); a first clamping block (114) is inserted into the inner wall of one of the limiting holes (111); a second clamping block (115) is clamped into the inner wall of the other limiting hole (111); and a protective cover (113) is fixedly connected to the outer walls of the first clamping block (114) and the second clamping block (115).

5. The luggage wheel for facilitating stair climbing according to claim 3, characterized in that: A rim (202) is provided on the outside of the rotating shaft (116), a slot (203) is provided on the outer wall of the rim (202), a plurality of friction strips (204) are fixedly connected to the inner wall of the slot (203), and the rim (202) is sleeved on the outer wall of the rotating shaft (116) through the slot (203).

6. The luggage wheel for facilitating stair climbing according to claim 5, characterized in that: A tire (201) is fixedly connected to the outer wall of the rim (202), and a plurality of rubber bumps (206) are fixedly connected to the outer wall of the tire (201).

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