Pressure-resistant draw-bar box

By setting up a reinforced structure and an automatic pulling mechanism in the trolley box, the existing trolley box has poor pressure resistance and inaccurate adjustment of the trolley length is solved, and higher pressure resistance and more suitable trolley box design are achieved.

CN222870004UActive Publication Date: 2025-05-16BAODING DILANG BAG MANUFACTURING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421940057.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-05-16
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The existing trolley boxes have poor pressure resistance and are prone to compression or damage under the pressure of human bodies or heavy objects. At the same time, the length adjustment of the trolley is not accurate enough to fully adapt to the needs of different groups of people.

Method used

A pressure-resistant trolley box is designed. By setting up multiple reinforcement columns and reinforcement frames in the box, combining sponge pads and work-shaped plate-shaped reinforcement plates, the pressure resistance of the box is enhanced; at the same time, a motor-driven gear set is used to drive the lifting and lowering of the tie rod, and the automatic pulling and precise length control of the tie rod is achieved through the limit groove.

Benefits of technology

The pressure resistance of the trolley box is improved, and it can better withstand the pressure from the side, front, rear and upper, and extend the service life of the box; at the same time, through the automatic pulling mechanism, the length of the trolley is accurately adjusted, which is suitable for different groups of people.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222870004U_ABST
    Figure CN222870004U_ABST
Patent Text Reader

Abstract

The utility model discloses a pressure-resistant draw-bar box, which relates to the technical field of draw-bar boxes and comprises two draw-bar box bodies, the left side of the draw-bar box body on the right side is rotatably connected with the rear side of the draw-bar box body on the left side, and the tops of the two draw-bar box bodies are fixedly connected with handles. Two universal wheels are fixedly connected to the bottoms of the two draw-bar box bodies, and coded locks are fixedly connected to the front side of the draw-bar box body located on the left side and the right side of the draw-bar box body located on the right side. According to the pressure-resistant draw-bar box disclosed by the utility model, the pressure on the side surface can be blocked by arranging a plurality of reinforcing columns, the interior of the supporting frame can be divided into a plurality of areas by arranging the reinforcing frame, and a sponge cushion is arranged in each area, so that a certain buffering effect can be achieved on the coming pressure; the I-shaped plate-shaped reinforcing plate is arranged in a matched mode, so that pressure from the front portion, the rear portion and the upper portion can be better blocked.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of trolley cases, in particular to a pressure-resistant trolley case. Background Art

[0002] A trolley case is a suitcase with a trolley and wheels. As a very convenient suitcase, trolley cases are used more and more frequently in people's lives, especially during travel and business trips, because they can be easily dragged while walking, which can reduce the burden on travelers.

[0003] The existing technology has the following problems:

[0004] The existing trolley cases have poor pressure resistance. When a human body or a heavy object presses on the case, the case will be compressed or even damaged, which results in poor practicality. At the same time, the adjustable length of the trolley of the existing trolley cases is relatively fixed, and the length cannot be adjusted more accurately, so the trolley cases cannot be fully applicable to all groups of people. Utility Model Content

[0005] The utility model provides a pressure-resistant trolley case to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A pressure-resistant trolley case comprises two trolley case bodies, the left side of the trolley case body on the right side is rotatably connected to the rear side of the trolley case body on the left side, the tops of the two trolley case bodies are fixedly connected with handles, the bottoms of the two trolley case bodies are fixedly connected with two universal wheels, the front side of the trolley case body on the left side and the right side of the trolley case body on the right side are fixedly connected with password locks, the inner walls of the two trolley case bodies are fixedly connected with reinforcement mechanisms, and the left side of the trolley case body on the left side is fixedly connected with a pulling mechanism.

[0008] Preferably: the reinforcement mechanism includes a support frame, the rear side of the support frame is fixedly connected to the rear side of the inner wall of the trolley case body, the front side of the support frame is fixedly connected to an inner liner layer, the interior of the support frame is fixedly connected to three reinforcement frames, and the left and right parts of the front side of the support frame are fixedly connected to three reinforcement columns.

[0009] Preferably, the front ends of the three reinforcement columns are located at the same horizontal position as the front side of the suitcase body, and each reinforcement column is located at a groove on the outer surface of the inner liner layer.

[0010] Preferably, the three reinforcement frames are arranged in a cross shape, and sponge pads are fixedly connected inside the three reinforcement frames.

[0011] Preferably, a reinforcement plate is fixedly connected to the middle position of the inner wall of the liner layer, and the reinforcement plate is in the shape of an I-shaped plate.

[0012] Preferably: the pulling mechanism includes an outer shell, the right side of the outer shell is fixedly connected to the left side of the trolley case body on the left side, the upper position of the right side of the inner wall of the outer shell is fixedly connected to a motor, the output end of the motor is fixedly connected to bevel gear 2, the lower end of bevel gear 2 is meshed with bevel gear 1, the bottom of bevel gear 1 is fixedly connected to a threaded rod, the bottom of the threaded rod is rotatably connected to the bottom of the inner wall of the outer shell, the lower position of the threaded rod is threadedly connected to a threaded plate, the left and right parts of the bottom of the inner wall of the outer shell are fixedly connected to two fixed sleeves, and the inner walls of the two fixed sleeves are movably connected to pull rods.

[0013] Preferably, the opposing surfaces of the two fixing sleeves are provided with limiting grooves, and the width of the limiting grooves is consistent with the width of the threaded plate.

[0014] Preferably, a fixing plate is fixedly connected to the upper position of the inner wall of the shell, a middle position of the fixing plate is rotatably connected to the upper position of the threaded rod, and a length of the fixing plate is smaller than a distance between two fixing sleeves.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a pressure-resistant trolley case, which can block the pressure on the side by means of a plurality of reinforcement columns, and can divide the interior of the support frame into a plurality of areas by means of a reinforcement frame, each of which is provided with a sponge pad to provide a certain buffering effect on the incoming pressure, and can better block the pressure from the front, rear and top by means of an I-shaped reinforcement plate, thereby achieving good pressure resistance for the entire trolley case body.

[0017] 2. The utility model provides a pressure-resistant trolley case, which can drive the gear set to rotate by starting the motor, and then drive the trolley to move up and down. The limit grooves provided ensure the stability of movement, thereby achieving the automatic pulling effect of the trolley, so that the length of the trolley can be controlled more accurately, and thus better suitable for the crowd. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the reinforcement mechanism structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the explosion structure of the reinforcement mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the pull-out mechanism of the utility model;

[0022] Figure 5 For the utility model Figure 4 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. suitcase body; 2. combination lock; 3. universal wheel; 4. handle; 5. reinforcement mechanism; 6. pulling mechanism; 51. liner layer; 52. reinforcement column; 53. reinforcement plate; 54. support frame; 55. reinforcement frame; 56. sponge pad; 60. motor; 61. outer shell; 62. pull rod; 63. fixing sleeve; 64. fixing plate; 65. threaded rod; 66. threaded plate; 67. limit groove; 68. bevel gear one; 69. bevel gear two. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1 As shown, a pressure-resistant trolley case comprises two trolley case bodies 1, the left side of the right trolley case body 1 is rotatably connected to the rear side of the left trolley case body 1, the tops of the two trolley case bodies 1 are fixedly connected with handles 4, the bottoms of the two trolley case bodies 1 are fixedly connected with two universal wheels 3, the front side of the left trolley case body 1 and the right side of the right trolley case body 1 are fixedly connected with combination locks 2, the inner walls of the two trolley case bodies 1 are fixedly connected with reinforcement mechanisms 5, and the left side of the left trolley case body 1 is fixedly connected with a pulling mechanism 6.

[0026] It should be noted that, first of all, the two suitcase bodies 1 can be rotated to complete the opening or closing operation, the two suitcase bodies 1 can be fixed by two combination locks 2, the universal wheels 3 are provided so that the suitcase bodies 1 can be moved, the handles 4 are provided so that the suitcase bodies 1 can be lifted, and the pressure from the side can be blocked by the multiple reinforcement columns 52, and the interior of the support frame 54 can be divided into multiple areas by the reinforcement frame 55, each area is provided with a sponge pad 56, which can have a certain buffering effect on the incoming pressure, and the I-shaped reinforcement plate 53 provided can better block the pressure from the front, back and top, so that the overall suitcase body 1 can achieve good pressure resistance, and by starting the motor 60, the gear set can be driven to rotate, and then the pull rod 62 can be driven to rise and fall, and the limit groove 67 ensures the stability of the movement, so as to achieve the automatic pulling effect of the pull rod 62, so that the length of the pull rod 62 can be more accurately controlled, so as to be better suitable for people.

[0027] like Figure 2 , Figure 3 As shown, the reinforcement mechanism 5 includes a support frame 54, the rear side of the support frame 54 is fixedly connected to the rear side of the inner wall of the trolley case body 1, the front side of the support frame 54 is fixedly connected to the inner liner layer 51, the interior of the support frame 54 is fixedly connected to three reinforcement frames 55, and the left and right parts of the front side of the support frame 54 are fixedly connected to three reinforcement columns 52.

[0028] It should be noted that a support frame 54 is provided inside the suitcase body 1, and a plurality of reinforcing columns 52 are connected to the support frame 54, so that the side pressure can be blocked, and a reinforcing frame 55 is provided inside the support frame 54, and the reinforcing frame 55 divides the interior of the support frame 54 into a plurality of areas, and a sponge pad 56 is provided inside each area. The sponge pad 56 is made of a relatively soft material, and can have a certain buffering effect on the incoming pressure, and the reinforcing frame 55 will be limited by the reinforcing plate 53, and can better block the pressure from the front and rear, and the reinforcing plate 53 is in the shape of an I-shaped plate, and can well block the pressure from above, so that the overall suitcase body 1 achieves good pressure resistance, and when the two suitcase bodies 1 are closed, the reinforcing columns 52 and the reinforcing plates 53 in the two suitcase bodies 1 will be in contact with each other, and the pressure resistance is further improved.

[0029] like Figure 2 , Figure 3 As shown, the front ends of the three reinforcement columns 52 are located at the same horizontal position as the front side of the suitcase body 1 , and each reinforcement column 52 is located in a groove on the outer surface of the inner liner layer 51 .

[0030] It should be noted that the support frame 54 is connected to a plurality of reinforcement columns 52 so that the side pressure can be blocked.

[0031] like Figure 2 , Figure 3 As shown, the three reinforcement frames 55 are arranged in a cross shape, and the insides of the three reinforcement frames 55 are fixedly connected with sponge pads 56 .

[0032] It should be noted that a reinforcement frame 55 is provided inside the support frame 54, and the reinforcement frame 55 divides the interior of the support frame 54 into multiple areas. A sponge pad 56 is provided inside each area. The sponge pad 56 is made of a relatively soft material and can have a certain buffering effect on the incoming pressure.

[0033] like Figure 2 , Figure 3 As shown, a reinforcing plate 53 is fixedly connected to the middle position of the inner wall of the liner layer 51, and the shape of the reinforcing plate 53 is an I-shaped plate.

[0034] It should be noted that the reinforcement frame 55 will be limited by the reinforcement plate 53, which can better block the pressure from the front and back. The reinforcement plate 53 is set in an I-shaped plate shape, which can well block the pressure from above.

[0035] like Figure 4 , Figure 5 As shown, the pulling mechanism 6 includes a shell 61, the right side of the shell 61 is fixedly connected to the left side of the trolley case 1 on the left side, the upper position of the right side of the inner wall of the shell 61 is fixedly connected to a motor 60, the output end of the motor 60 is fixedly connected to a bevel gear 2 69, the lower end of the bevel gear 2 69 is meshed with a bevel gear 1 68, the bottom of the bevel gear 1 68 is fixedly connected to a threaded rod 65, the bottom of the threaded rod 65 is rotatably connected to the bottom of the inner wall of the shell 61, the lower position of the threaded rod 65 is threadedly connected to a threaded plate 66, the left and right parts of the bottom of the inner wall of the shell 61 are fixedly connected to two fixed sleeves 63, and the inner walls of the two fixed sleeves 63 are movably connected to a pull rod 62.

[0036] It should be noted that by starting the motor 60, the bevel gear 2 69 is driven to rotate clockwise, and the bevel gear 2 69 and the bevel gear 1 68 are meshed with each other, thereby driving the bevel gear 1 68 to rotate clockwise, thereby driving the threaded rod 65 to rotate clockwise, and the threaded rod 65 and the threaded plate 66 are threadedly connected to each other, thereby driving the threaded plate 66 to move upward, thereby driving the pull rod 62 to move upward along the fixed sleeve 63, and a limiting groove 67 is provided on the fixed sleeve 63, and the threaded plate 66 moves along the limiting groove 67, thereby preventing the threaded plate 66 from rotating, ensuring the stability of the movement of the threaded plate 66, thereby achieving the automatic pulling and pulling effect of the pull rod 62, and when the pull rod 62 moves to the appropriate position, the motor 60 is stopped, so that the length of the pull rod 62 can be controlled more accurately, so that it can be better suitable for the crowd.

[0037] like Figure 4 As shown, the opposite surfaces of the two fixing sleeves 63 are provided with limiting grooves 67 , and the width of the limiting grooves 67 is consistent with the width of the threaded plate 66 .

[0038] It should be noted that the threaded plate 66 is arranged to move along the limiting groove 67 , thereby preventing the threaded plate 66 from rotating and ensuring the stability of the movement of the threaded plate 66 .

[0039] like Figure 4 , Figure 5 As shown, a fixing plate 64 is fixedly connected to the upper position of the inner wall of the housing 61 , and the middle position of the fixing plate 64 is rotatably connected to the upper position of the threaded rod 65 . The length of the fixing plate 64 is smaller than the distance between the two fixing sleeves 63 .

[0040] It should be noted that the fixed plate 64 ensures the stability of the threaded rod 65 during rotation, thereby achieving a better pulling effect.

[0041] The working principle of the utility model is as follows: first, the two suitcase bodies 1 can be rotated to complete the opening or closing operation, the two suitcase bodies 1 can be fixed by two password locks 2, the universal wheels 3 allow the suitcase bodies 1 to be moved, and the handles 4 allow the suitcase bodies 1 to be lifted to meet the use standards, and a support frame 54 is provided inside the suitcase body 1, and the support frame 54 is connected to a plurality of reinforcement columns 52, so that the side pressure can be blocked, and at the same time, a reinforcement frame 55 is provided inside the support frame 54, and the reinforcement frame 55 divides the interior of the support frame 54 into a plurality of areas, each of which is provided with a sponge pad 56, and the sponge pad 56 is made of a relatively soft material, which can have a certain buffering effect on the incoming pressure, and at the same time, the reinforcement frame 55 will be limited by the reinforcement plate 53, which can better block the pressure from the front and back, and the reinforcement plate 53 is in the shape of an I-shaped plate, which can well block the pressure from above, so that the suitcase body 1 The overall pressure resistance is good. When the two suitcase bodies 1 are closed, the reinforcement columns 52 and the reinforcement plates 53 in the two suitcase bodies 1 will contact each other, and the pressure resistance is further improved. By starting the motor 60, the bevel gear 2 69 is driven to rotate clockwise, and the bevel gear 2 69 and the bevel gear 1 68 are meshed with each other, thereby driving the bevel gear 1 68 to rotate clockwise, thereby driving the threaded rod 65 to rotate clockwise, and the threaded rod 65 and the threaded plate 66 are threadedly connected to each other, thereby driving the threaded plate 66 to move upward, thereby driving the pull rod 62 to move upward along the fixed sleeve 63. A limiting groove 67 is provided on the fixed sleeve 63, and the threaded plate 66 moves along the limiting groove 67 to prevent the threaded plate 66 from rotating, thereby ensuring the stability of the movement of the threaded plate 66, thereby achieving the automatic pulling and pulling effect of the pull rod 62. When the pull rod 62 moves to a suitable position, the motor 60 is stopped, so that the length of the pull rod 62 can be controlled more accurately, so that it is better suitable for people.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pressure-resistant suitcase, comprising two suitcase bodies (1), characterized in that: The left side of the trolley case (1) on the right side is rotatably connected to the rear side of the trolley case (1) on the left side, the tops of the two trolley case (1) are fixedly connected with handles (4), the bottoms of the two trolley case (1) are fixedly connected with two universal wheels (3), the front side of the trolley case (1) on the left side and the right side of the trolley case (1) on the right side are fixedly connected with a password lock (2), the inner walls of the two trolley case (1) are fixedly connected with a reinforcement mechanism (5), and the left side of the trolley case (1) on the left side is fixedly connected with a pulling mechanism (6); The reinforcement mechanism (5) comprises a support frame (54), the rear side of the support frame (54) is fixedly connected to the rear side of the inner wall of the suitcase body (1), the front side of the support frame (54) is fixedly connected to an inner liner layer (51), the interior of the support frame (54) is fixedly connected to three reinforcement frames (55), and the left and right parts of the front side of the support frame (54) are fixedly connected to three reinforcement columns (52); The pulling mechanism (6) comprises a shell (61), the right side of the shell (61) is fixedly connected to the left side of the trolley case (1) located on the left side, a motor (60) is fixedly connected to the upper position of the right side of the inner wall of the shell (61), the output end of the motor (60) is fixedly connected to a bevel gear 2 (69), the lower end of the bevel gear 2 (69) is meshed with a bevel gear 1 (68), the bottom of the bevel gear 1 (68) is fixedly connected to a threaded rod (65), the bottom of the threaded rod (65) is rotatably connected to the bottom of the inner wall of the shell (61), the lower position of the threaded rod (65) is threadedly connected to a threaded plate (66), the left and right parts of the bottom of the inner wall of the shell (61) are fixedly connected to two fixed sleeves (63), and the inner walls of the two fixed sleeves (63) are movably connected to a pull rod (62).

2. The pressure-resistant suitcase according to claim 1, characterized in that: The front ends of the three reinforcement columns (52) are located at the same horizontal position as the front side of the suitcase body (1), and each reinforcement column (52) is located in a groove on the outer surface of the inner liner layer (51).

3. The pressure-resistant suitcase according to claim 1, characterized in that: The three reinforcement frames (55) are arranged in a cross shape, and the insides of the three reinforcement frames (55) are all fixedly connected with sponge pads (56).

4. The pressure-resistant suitcase according to claim 1, characterized in that: A reinforcement plate (53) is fixedly connected to the middle position of the inner wall of the liner layer (51), and the reinforcement plate (53) is in the shape of an I-shaped plate.

5. The pressure-resistant suitcase according to claim 1, characterized in that: The opposing surfaces of the two fixing sleeves (63) are each provided with a limiting groove (67), and the width of the limiting groove (67) is consistent with the width of the threaded plate (66).

6. The pressure-resistant suitcase according to claim 1, characterized in that: A fixing plate (64) is fixedly connected to the upper position of the inner wall of the housing (61), the middle position of the fixing plate (64) is rotatably connected to the upper position of the threaded rod (65), and the length of the fixing plate (64) is less than the distance between the two fixing sleeves (63).