Detachable universal wheel of trolley case

By designing a detachable universal wheel, it solves the problem of difficulty disassembling or replacing wheel components in the existing luggage products, realizes the convenient assembly and separation of the luggage wheels, and improves the flexibility and convenience of users.

CN222407846UActive Publication Date: 2025-01-28林国辉
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Patent Information

Application Number
CN202421107890.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-01-28
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

It is difficult to disassemble or replace wheel parts at any time during use of existing luggage products, resulting in users being unable to flexibly adjust the usage methods of luggage in different scenarios.

Method used

Designed a demolished universal wheel, including the seat and wheel component. The body is assembled by a fixed seat and a universal turntable. Design the convenient assembly and separation of the seat body and wheels.

Benefits of technology

The convenient disassembly and replacement of the luggage wheels can be achieved. Users can install or uninstall the wheels at any time according to their needs, which improves the flexibility and convenience of the luggage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a detachable universal wheel of a draw-bar box. The detachable universal wheel comprises a seat body and a wheel assembly, the seat body is formed by assembling a fixed seat and a universal turntable; the wheel assembly is formed by splicing a connecting piece and a wheel; luggage fixing holes are formed in two sides of the fixing seat, and a universal turntable connecting hole is formed in the center of the fixing seat; the universal rotating disc is composed of a spring, a button and a disc body. A center hole is formed in the disc body, straight positioning holes are formed in the radial opposite sides of the disc body, and symmetrical transverse insertion holes are formed in the diameter direction of the straight wall of the periphery of the disc body. Through holes are formed in the straight direction from the transverse insertion holes to the upper surface of the tray body; a transverse hole is formed in the cross section of the button, a straight folded through hole is formed from the transverse hole to the surface plane of the upper end of the button, a springback piece is arranged in the straight folded through hole, the front portion, the left side and the right side of the springback piece are suspended, and a triangle higher than the surface plane of the upper end of the button is formed in the front position of the springback piece. The connecting piece acts on the universal turntable of the seat body and is in gap bridge connection with the wheels; and small wheel connecting holes are formed below the connecting piece for mounting the left and right wheels.
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Description

Technical Field

[0001] The utility model relates to the technical field of outdoor storage cases and bags, in particular to a detachable universal wheel of a trolley case and bag. Background Art

[0002] With the continuous improvement of people's living and consumption levels, various types of luggage have become indispensable items for people to travel with. Due to the development of the times and the convenience of transportation, there are more people traveling to work and school in different places, and people's requirements and applications for luggage products are constantly improving. A wheel is installed at the bottom of the suitcase to provide power for the suitcase, which can greatly reduce the load of the user during use and increase the volume of the luggage to hold more items. Summary of the invention

[0003] The utility model aims to solve the defects of the prior art and provides a detachable universal wheel for use in bags and luggage, which can be disassembled or replaced with parts at any time according to user needs.

[0004] A detachable universal wheel for a trolley case, comprising a seat body 1 and a wheel assembly 2; the seat body 1 is composed of a fixed seat 12 and a universal turntable 11; the wheel assembly 2 is composed of a connector 21 and a wheel 22; the characteristic is that luggage fixing holes 121 are made on both sides of the fixed seat 12, and a universal turntable 11 connecting hole 120 is made in the center of the fixed seat 12; the universal turntable 11 is composed of a spring 1103, a button 110, and a disk body 1100; the disk body 1100 is made into a center hole 115, and a straight positioning hole 111 is made on the radial opposite side of the disk body 1100, and a symmetrical transverse insertion hole 116 is made in the diameter direction of the outer peripheral straight wall of the disk body 1100; a through hole 112 is made in the vertical direction from the transverse insertion hole 116 to the upper surface plane of the disk body 1100; the cross section of the button 110 is made into a transverse hole 1102, and the transverse hole 1 A straight folding hole 1101 is made from 102 to the upper surface plane 110120 of the button 110, and a rebound sheet 11011 is made inside the straight folding hole 1101. The front part of the rebound sheet 11011 is suspended from the left and right three sides without wall thickness connection, so that the rebound sheet 11011 has the function of offset and rebound reset after being subjected to force, and the front position of the rebound sheet 11011 is made into a triangular shape 11012 that is higher than the upper surface plane 110120 of the button 110; the connecting member 21 acts on the universal turntable 11 of the seat body 1 to form a bridge connection with the wheel 22, and the circumferential wall of the straight cylinder inner diameter of the connecting member 21 is made into a fixing column 212 that cooperates with the straight positioning hole 111 of the disk body 1100, and the connecting member 21 is made with symmetrical straight wall through holes 211 in the circumferential direction, and the wheel connecting holes 213 are made below the connecting member 21 to install the left and right wheels 22.

[0005] The utility model discloses an embodiment of a detachable universal wheel of a trolley case.

[0006] like Figure 3As shown, the seat body 1 is composed of a fixed seat 12 and a universal turntable 11.

[0007] In one form, bag fixing holes 121 are formed on both sides of the fixing seat 12 , and a connecting hole 120 for the universal turntable 11 is formed in the center of the fixing seat 12 .

[0008] Furthermore, the luggage fixing hole 121 is fixedly connected to the bottom surface of the luggage.

[0009] In one form, the fixing seat can be designed in a right angle shape 10, a straight wall 101 is made on the fixing seat, and a bag side mounting hole 1011 is made on the straight wall 101.

[0010] Furthermore, the mounting hole 1011 is used to fix the side of the bag.

[0011] Furthermore, the connection hole 120 is used for the rivet 1201 to install and connect the universal turntable 11.

[0012] Furthermore, the rivet 1201 is connected through the connecting hole 120 and the central hole 115 of the disk body 1100 .

[0013] Further, if Figure 3 As shown, the disc body 1100 connected by rivets 1201 can be rotated 360 degrees in the seat body 1.

[0014] In one form, the universal turntable 11 is composed of a spring 1103, a button 110, and a disk body 1100. In one form, straight positioning holes 111 are formed on the radially opposite sides of the disk body 1100.

[0015] In one form, the disc body 1100 is formed with a central hole 115 for connection to the fixing base 12 .

[0016] In one form, symmetrical transverse insertion holes 116 are made in the diameter direction of the outer peripheral straight wall of the disk body 1100.

[0017] In one form, the through hole 112 is made in a vertical direction from the transverse insertion hole 116 to the upper surface of the disk body 1100.

[0018] Furthermore, the horizontal insertion hole 116 is installed in cooperation with the button 110 .

[0019] In one form, a transverse hole 1102 is formed in the cross section of the button 110, and a straight folding hole 1101 is formed from the transverse hole 1102 to the upper surface plane 110120 of the button 110. A springback sheet 11011 is formed inside the straight folding hole 1101. The front part of the springback sheet 11011 is suspended from the left and right three sides without wall thickness connection, so that the springback sheet 11011 has the function of offset and rebound reset after being subjected to force. The front position of the springback sheet 11011 is formed in a triangular shape 11012 that is higher than the upper surface plane 110120 of the button 110.

[0020] Furthermore, during assembly, the spring 1103 is embedded in the transverse hole 1102, and the button 110 is inserted into the transverse hole 116 in the direction of the arrow S. At this time, the spring-back sheet 11011 is offset after being subjected to force, and the spring-back sheet 11011 is reset after the button 110 is inserted to the bottom. The triangular shape 11012 of the spring-back sheet 11011 intersects and engages with the side wall of the through hole 112, so that the button 110 is placed in the transverse hole 116. Under the action of the spring 1103, the button 110 has an elastic expansion and contraction function. When the button 110 is subjected to force, the button 110 is retracted into the transverse hole 116. When the force is eliminated, the button 110 is ejected to the radial outside of the disk body 1100 by the spring 1103.

[0021] In one form, the wheel assembly 2 is composed of a connecting member 21 and a wheel 22 assembled together.

[0022] In one form, the connecting member 21 acts on the bridge connection between the universal turntable 11 of the seat body 1 and the wheel 22.

[0023] In one form, the straight inner diameter circumferential wall of the connecting member 21 is made to cooperate with the fixing column 212 in the straight positioning hole 111 of the disk body 1100.

[0024] In one form, the connecting member 21 is formed with symmetrical straight-wall through holes 211 in the circumferential direction.

[0025] Furthermore, the straight-wall through hole 211 closely cooperates with the button 110 to act on the assembly or separation of the seat body 1 and the wheel assembly 2 .

[0026] In one form, a wheel connecting hole 213 is made below the connecting member 21 to install the left and right wheels 22.

[0027] In one form, the wheels 22 are located on the left and right sides below the connecting member 21, and the rivets are connected through the center of the wheel and then through the small holes 213 to form the wheel assembly 2.

[0028] The utility model discloses a detachable universal wheel for a trolley case. By designing and applying a spring 1103 and a button 110 of a universal turntable, when a user needs to load the wheel, the user presses the buttons 110 on both sides by hand, aligns them with the straight wall through hole 211 of the wheel assembly and snaps them in. After releasing both hands, the button 110 pops out and snaps into the straight wall through hole 211, thereby realizing the connection between a seat body 1 and the wheel assembly 2. When the user does not need to install the wheel assembly 2, the user pushes the button 110 in by hand using the same principle, and then takes out the wheel assembly 2.

[0029] After the utility model is assembled, when the user pulls the bag, the universal turntable 11 rotates arbitrarily following the driving angle of the bag, driving the wheels to achieve 360-degree operation without dead angles. The utility model has the advantages of convenient installation, simple structure and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the utility model.

[0031] Figure 2 It is a schematic diagram of the right-angle side installation of the utility model.

[0032] Figure 3 It is a schematic diagram of a seat body of the utility model.

[0033] Figure 4 It is a schematic diagram of the wheel assembly of the utility model.

[0034] Figure 5 It is a three-dimensional schematic diagram of the wheel assembly of the utility model.

[0035] Figure 6 It is a schematic diagram of a universal turntable of the utility model.

[0036] Figure 7 It is a three-dimensional schematic diagram of a fixing seat of the utility model.

[0037] Figure 8 It is a main schematic diagram of a fixing seat of the utility model.

[0038] Fig. 9 It is a top view schematic diagram of the fixing seat of the utility model.

[0039] Fig.10 It is a schematic diagram of a right-angle fixing seat of the utility model.

[0040] Fig.11 This is a schematic diagram of a rivet.

[0041] Fig.12 is a schematic diagram of a button cross section.

[0042] Fig.13 It is a three-dimensional schematic diagram of the button.

[0043] Fig.14 It is a schematic diagram of the relationship between the wheel assembly and the universal turntable.

[0044] Fig.15 It is a schematic diagram of a universal turntable winding body.

[0045] Fig.16 It is a schematic diagram of the connection parts. DETAILED DESCRIPTION

[0046] The utility model discloses a detachable universal wheel for a trolley case. Figure 1-16As shown, it includes a seat body 1 and a wheel assembly 2; the seat body 1 is composed of a fixed seat 12 and a universal turntable 11; the wheel assembly 2 is composed of a connecting piece 21 and a wheel 22; it is characterized in that luggage fixing holes 121 are made on both sides of the fixed seat 12, and a universal turntable 11 connecting hole 120 is made in the center of the fixed seat 12; the universal turntable 11 is composed of a spring 1103, a button 110, and a disk body 1100; the disk body 1100 is made into a center hole 115, the disk body 1100 is made into a straight positioning hole 111 on the radial opposite side, and the outer peripheral straight wall of the disk body 1100 is made into symmetrical transverse insertion holes 116 in the diameter direction; the transverse insertion hole 116 is made into a through hole 112 in the vertical direction to the upper surface plane of the disk body 1100; the cross section of the button 110 is made into a transverse hole 1102, and the transverse hole 1102 to the button A straight folding hole 1101 is made on the surface plane 110120 of the upper end of the button 110, and a rebound sheet 11011 is made inside the straight folding hole 1101. The front part of the rebound sheet 11011 is suspended from the left and right three sides without wall thickness connection, so that the rebound sheet 11011 has the function of offset and rebound reset after being subjected to force, and the front position of the rebound sheet 11011 is made into a triangular shape 11012 that is higher than the surface plane 110120 of the upper end of the button 110; the connecting member 21 acts on the universal turntable 11 of the seat body 1 to form a bridge connection with the wheel 22, and the circumferential wall of the straight cylinder inner diameter of the connecting member 21 is made into a fixing column 212 that cooperates with the straight positioning hole 111 of the disk body 1100, and the connecting member 21 is made with symmetrical straight wall through holes 211 in the circumferential direction, and the wheel connecting holes 213 are made below the connecting member 21 to install the left and right wheels 22.

[0047] The utility model discloses an embodiment of a detachable universal wheel of a trolley case.

[0048] like Figure 3 As shown, the seat body 1 is composed of a fixed seat 12 and a universal turntable 11.

[0049] In one form, bag fixing holes 121 are formed on both sides of the fixing seat 12 , and a connecting hole 120 for the universal turntable 11 is formed in the center of the fixing seat 12 .

[0050] Furthermore, the luggage fixing hole 121 is fixedly connected to the bottom surface of the luggage.

[0051] In one form, the fixing seat can be designed in a right angle shape 10, a straight wall 101 is made on the fixing seat, and a bag side mounting hole 1011 is made on the straight wall 101.

[0052] Furthermore, the mounting hole 1011 is used to fix the side of the bag.

[0053] Furthermore, the connection hole 120 is used for the rivet 1201 to install and connect the universal turntable 11.

[0054] Furthermore, the rivet 1201 is connected through the connecting hole 120 and the central hole 115 of the disk body 1100 .

[0055] Further, if Figure 3 As shown, the disc body 1100 connected by the rivet 1201 can be rotated 360 degrees in the seat body 1.

[0056] In one form, the universal turntable 11 is composed of a spring 1103, a button 110, and a disk body 1100. In one form, straight positioning holes 111 are formed on the radially opposite sides of the disk body 1100.

[0057] In one form, the disc body 1100 is formed with a central hole 115 for connection to the fixing base 12 .

[0058] In one form, symmetrical transverse insertion holes 116 are made in the diameter direction of the outer peripheral straight wall of the disk body 1100.

[0059] In one form, the through hole 112 is made in a vertical direction from the transverse insertion hole 116 to the upper surface of the disk body 1100.

[0060] Furthermore, the horizontal insertion hole 116 is installed in cooperation with the button 110 .

[0061] In one form, a transverse hole 1102 is formed in the cross section of the button 110, and a straight folding hole 1101 is formed from the transverse hole 1102 to the upper surface plane 110120 of the button 110. A springback sheet 11011 is formed inside the straight folding hole 1101. The front part of the springback sheet 11011 is suspended from the left and right three sides without wall thickness connection, so that the springback sheet 11011 has the function of offset and rebound reset after being subjected to force. The front position of the springback sheet 11011 is formed in a triangular shape 11012 that is higher than the upper surface plane 110120 of the button 110.

[0062] Furthermore, during assembly, the spring 1103 is embedded in the transverse hole 1102, and the button 110 is inserted into the transverse hole 116 in the direction of the arrow S. At this time, the spring-back sheet 11011 is offset after being subjected to force, and the spring-back sheet 11011 is reset after the button 110 is inserted to the bottom. The triangular shape 11012 of the spring-back sheet 11011 intersects and engages with the side wall of the through hole 112, so that the button 110 is placed in the transverse hole 116. Under the action of the spring 1103, the button 110 has an elastic expansion and contraction function. When the button 110 is subjected to force, the button 110 is retracted into the transverse hole 116. When the force is eliminated, the button 110 is ejected to the radial outside of the disk body 1100 by the spring 1103.

[0063] In one form, the wheel assembly 2 is composed of a connecting member 21 and a wheel 22 assembled together.

[0064] In one form, the connecting member 21 acts on the bridge connection between the universal turntable 11 of the seat body 1 and the wheel 22.

[0065] In one form, the straight inner diameter circumferential wall of the connecting member 21 is made to cooperate with the fixing column 212 in the straight positioning hole 111 of the disk body 1100.

[0066] In one form, the connecting member 21 is formed with symmetrical straight-wall through holes 211 in the circumferential direction.

[0067] Furthermore, the straight-wall through hole 211 closely cooperates with the button 110 to act on the assembly or separation of the seat body 1 and the wheel assembly 2 .

[0068] In one form, a wheel connecting hole 213 is made below the connecting member 21 to install the left and right wheels 22.

[0069] In one form, the wheels 22 are located on the left and right sides below the connecting member 21, and the rivets are connected through the center of the wheel and then through the small holes 213 to form the wheel assembly 2.

[0070] The utility model discloses a detachable universal wheel for a trolley case. By designing and applying a spring 1103 and a button 110 of a universal turntable, when a user needs to load the wheel, the user presses the buttons 110 on both sides by hand, aligns them with the straight wall through hole 211 of the wheel assembly and snaps them in. After releasing both hands, the button 110 pops out and snaps into the straight wall through hole 211, thereby realizing the connection between a seat body 1 and the wheel assembly 2. When the user does not need to install the wheel assembly 2, the user pushes the button 110 in by hand using the same principle, and then takes out the wheel assembly 2.

[0071] After the utility model is assembled, when the user pulls the bag, the universal turntable 11 rotates arbitrarily following the driving angle of the bag, driving the wheels to achieve 360-degree operation without dead angles. The utility model has the advantages of convenient installation, simple structure and convenient operation.

[0072] Technicians can understand that the disclosed configuration can be appropriately adjusted without departing from the present invention. Therefore, the examples described above are only for illustrative purposes rather than limiting purposes. Technicians in the field clearly recognize that small modifications can be made to the configuration or installation process without significantly changing the above operations to achieve the same purpose. The present invention is limited by the claims.

Claims

1. A detachable universal wheel for a trolley case, comprising a base (1) and a wheel assembly (2); the base (1) is composed of a fixed base (12) and a universal turntable (11); the wheel assembly (2) is composed of a connecting member (21) and a wheel (22); characterized in that Bag fixing holes (121) are formed on both sides of the fixing seat (12), and a universal turntable (11) connection hole (120) is formed in the center of the fixing seat (12); the universal turntable (11) is composed of a spring (1103), a button (110), and a disk body (1100); the disk body (1100) is formed with a center hole (115), a straight positioning hole (111) is formed on the radially opposite side of the disk body (1100), and a symmetrical transverse insertion hole (116) is formed in the diameter direction of the outer peripheral straight wall of the disk body (1100); a through hole (116) is formed in a straight direction from the transverse insertion hole (116) to the upper surface plane of the disk body (1100) 2); A transverse hole (1102) is formed in the cross section of the button (110); a straight folding hole (1101) is formed from the transverse hole (1102) to the upper surface plane (110120) of the button (110); a springback sheet (11011) is formed inside the straight folding hole (1101); the front part of the springback sheet (11011) is suspended from the left and right sides without wall thickness connection, so that the springback sheet (11011) has the function of deflection and rebound reset after being subjected to force; the front position of the springback sheet (11011) is formed in a triangular shape (11012) that is higher than the upper surface plane (110120) of the button (110); The connecting member (21) acts on the bridge connection between the universal turntable (11) of the seat body (1) and the wheel (22); the straight cylindrical inner diameter circumferential wall of the connecting member (21) is made to cooperate with the straight positioning hole (111) of the plate body (1100) to form a fixing column (212); the connecting member (21) is made of symmetrical straight wall through holes (211) in the circumferential direction; and the wheel connecting holes (213) are made below the connecting member (21) to install the left and right wheels (22).

2. The detachable universal wheel of a trolley case as claimed in claim 1, characterized in that The bag fixing hole (121) is fixedly connected to the bottom surface of the bag.

3. The detachable universal wheel of a trolley case as claimed in claim 1, characterized in that The fixing seat can be designed in a right angle shape (10), a straight wall (101) is made on the fixing seat, and a bag side mounting hole (1011) is made on the straight wall (101), and the mounting hole (1011) is used to fix the side of the bag.

4. The detachable universal wheel of a trolley case as claimed in claim 1, characterized in that The rivet (1201) is connected via the connecting hole (120) and the central hole (115) of the disk body (1100).

5. The detachable universal wheel of a trolley case as claimed in claim 1, characterized in that The disc body (1100) connected by the rivets (1201) can be rotated 360 degrees in the seat body (1).

6. The detachable universal wheel of a trolley case as claimed in claim 1, characterized in that The horizontal insertion hole (116) is installed in cooperation with the button (110).

7. The detachable universal wheel of a trolley case as claimed in claim 1, characterized in that During assembly, the spring (1103) is embedded in the transverse hole (1102), and the button (110) is inserted into the transverse insertion hole (116) in the direction of the arrow (S). At this time, the resilient sheet (11011) is offset after being subjected to force, and the resilient sheet (11011) is reset after the button (110) is inserted to the bottom. The triangular shape (11012) of the resilient sheet (11011) intersects and locks with the side wall of the through hole (112), so that the button (110) is placed in the transverse insertion hole (116); When the user needs to load the wheel, he presses the buttons (110) on both sides with his hands, aligns them with the straight wall through hole (211) of the wheel assembly and snaps them in. After releasing his hands, the buttons (110) pop out and snap into position with the straight wall through hole (211), thereby achieving the connection between the seat body (1) and the wheel assembly (2).