CN213370414U

CN213370414U - Roller mounting structure of draw-bar box

Info

Publication number: CN213370414U
Application number: CN202021710699.8U
Authority: CN
Inventors: 耿涛
Original assignee: Heyuan Zhenghong Luggage Co ltd
Current assignee: Heyuan Zhenghong Luggage Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-08
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to the technical field of draw-bar boxes, and discloses a roller mounting structure of a draw-bar box, which comprises a fixed block, wherein a first rotating shaft is fixedly arranged inside the fixed block, the outer wall of the first rotating shaft is movably connected with an elastic cord, the outer wall of the elastic cord is fixedly connected with a buckle, the lower surface of the fixed block is fixedly connected with a support, the lower surface of the support is fixedly connected with a support, the support is internally embedded with a second rotating shaft, the outer wall of the second rotating shaft is rotatably connected with a roller, the support is internally and fixedly provided with a threaded rod, the outer wall of the threaded rod is fixedly connected with a bearing, the upper surface of the support is fixedly connected with a first supporting plate, the inside of the first supporting plate is embedded with a screw, the upper surface of the fixed block is fixedly connected, the four fixing blocks are penetrated and connected, so that the fixing blocks can fix the draw-bar boxes with different sizes conveniently.

Description

Roller mounting structure of draw-bar box

Technical Field

The utility model relates to a draw-bar box technical field specifically is a gyro wheel mounting structure of draw-bar box.

Background

The draw-bar box refers to a luggage box with a draw bar and rollers, and is widely used due to convenient use, meanwhile, the draw-bar box is also provided with a draw bar due to the box, the draw bar is divided into a single-tube draw bar and a double-tube draw bar, the tube of the draw bar is divided into a square tube and a round tube, so that the luggage box can be conveniently dragged during walking, the draw-bar box is generally provided with the rollers to facilitate the movement of the draw-bar box, the prior roller installation is generally to fix the rollers in the interior of the draw-bar box through screw direct fixation, the function is single, and the disassembly and maintenance are very inconvenient.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a trolley case's gyro wheel mounting structure, current gyro wheel installation generally all is to pass through the screw snap-on in trolley case's inside with the gyro wheel, and the function is single, and dismantles the very inconvenient problem of maintenance.

The utility model provides a following technical scheme: the utility model provides a gyro wheel mounting structure of draw-bar box, includes the fixed block, the inside fixed mounting of fixed block has pivot one, the outer wall swing joint of pivot one has the elastic cord, the outer wall fixedly connected with buckle of elastic cord, the lower fixed surface of fixed block is connected with the pillar, the lower fixed surface of pillar is connected with the support, the inside embedding of support is provided with pivot two, the outer wall of pivot two rotates and is connected with the gyro wheel, the inside fixed threaded rod that is provided with of pillar, the outer wall fixedly connected with bearing of threaded rod, the last fixed surface of pillar is connected with the layer board, the inside embedding of layer board one is provided with the screw, the last fixed surface of fixed block is connected with layer board two, the outer wall of layer board two.

Preferably, the diameter of the threaded rod is smaller than that of the bearing, and the outer wall of the threaded rod is clamped with the inner wall of the bearing.

Preferably, the diameter of the bearing is smaller than that of the support column, and the outer wall of the bearing is clamped with the inner wall of the support column.

Preferably, the number of the fixed blocks is four, the four fixed blocks are arranged in a grid shape, and the second supporting plate is arranged above the four fixed blocks.

Preferably, the outer wall of each fixing block is provided with a groove, the width and height of each groove are larger than those of the elastic band, and the outer wall of each fixing block is provided with two grooves.

Preferably, the length of the elastic band is larger than the sum of the four fixing blocks, and the outer wall of the elastic band is tightly attached to the four rotating shafts.

Preferably, the diameter of the pillar is smaller than that of the hole, and the pillar is clamped with the hole.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this gyro wheel mounting structure of draw-bar box, through the inside elastic cord of fixed block, the length of elastic cord is greater than the length of four fixed blocks, wears four fixed blocks to link to each other, makes things convenient for the fixed not draw-bar box of equidimension of fixed block.

2. This gyro wheel mounting structure of draw-bar box, through the layer board two of fixed block lower surface, layer board two is provided with four, and layer board two is the field style of calligraphy and puts, closely laminates with the lower surface of draw-bar box, wraps up four angles of living draw-bar box lower surface and is used for fixing.

3. This gyro wheel mounting structure of draw-bar box, through the bearing of threaded rod outer wall, the diameter of bearing is less than the pillar, outer wall and pillar inner wall joint, inner wall and threaded rod joint, and the mount that conveniently is connected with the threaded rod rotates, drives 360 degrees rotations of gyro wheel and conveniently removes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the roller of the present invention;

FIG. 3 is a schematic view of a partial structure of the bearing of the present invention;

fig. 4 is a schematic view of a partial structure of the fixing block of the present invention;

in the figure: 1. a fixed block; 2. a first rotating shaft; 3. elastic bands; 4. buckling; 5. a pillar; 6. a support; 7. a second rotating shaft; 8. a roller; 9. a threaded rod; 10. a bearing; 11. a first supporting plate; 12. screws; 13. a second supporting plate; 14. and (4) holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a roller mounting structure of a draw-bar box comprises a fixed block 1, a first rotating shaft 2 is fixedly mounted inside the fixed block 1, an elastic band 3 is movably connected to the outer wall of the first rotating shaft 2, a groove is formed in the outer wall of the fixed block 1, the width and height of the groove are greater than those of the elastic band 3, two grooves are formed in the outer wall of each fixed block 1, the length of the elastic band 3 is greater than the sum of the four fixed blocks 1, the outer wall of the elastic band 3 is tightly attached to the four first rotating shafts 2, the elastic band 3 is conveniently drawn out, a buckle 4 is fixedly connected to the outer wall of the elastic band 3, a support 5 is fixedly connected to the lower surface of the fixed block 1, a support 6 is fixedly connected to the lower surface of the support 5, a second rotating shaft 7 is embedded inside the support 6, outer wall fixedly connected with bearing 10 of threaded rod 9, the diameter of threaded rod 9 is less than the diameter of bearing 10, the outer wall of threaded rod 9 and the inner wall joint of bearing 10, the diameter of bearing 10 is less than the diameter of pillar 5, the outer wall of bearing 10 and the inner wall joint of pillar 5, the last fixed surface of pillar 5 is connected with layer board 11, the inside embedding of layer board 11 is provided with screw 12, the last fixed surface of fixed block is connected with layer board two 13, fixed block 1 is provided with four, four fixed blocks 1 are the field style of calligraphy and put, the top of four fixed blocks 1 all is provided with layer board two 13, the outer wall of layer board two 13 runs through and is provided with hole 14. The diameter of the pillar 5 is smaller than that of the hole 14, and the pillar 5 is clamped with the hole 14.

When the draw-bar box works, firstly, the elastic bands 3 penetrate through the grooves on the outer wall of the fixed blocks 1, pass through the rotating shafts I2 in the fixed blocks 1 and protrude along the grooves on the other side of the fixed blocks 1, the elastic bands 3 penetrate through the other three fixed blocks 1 in the same way, after the elastic bands 3 are fixed, the support columns 5 pass through the holes 14, the lower surfaces of the support plates I11 connected with the support columns 5 are tightly attached to the upper surfaces of the support plates II 13, then the screws 12 pass through the support plates I11 and the support plates II 13 to fix the support columns 5, after the support columns 5 are fixed, the threaded rods 9 connecting the support 6 and the idler wheels 8 are inserted into the support columns 5 to be fixed, the four fixed blocks 1 are placed in a shape like Chinese character 'tian', then the draw-bar box is placed among the four fixed blocks 1, the four support plates II 13 on the upper surfaces of the fixed blocks 1 respectively drag four corners of the, after the fixed block 1 is fixed, the elastic band 3 is clamped in the buckle 4 to be fixed so as to prevent the elastic band 3 from loosening.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gyro wheel mounting structure of draw-bar box, includes fixed block (1), its characterized in that: the inner fixed mounting of the fixing block (1) is provided with a first rotating shaft (2), the outer wall of the first rotating shaft (2) is movably connected with an elastic band (3), the outer wall of the elastic band (3) is fixedly connected with a buckle (4), the lower surface of the fixing block (1) is fixedly connected with a support (5), the lower surface of the support (5) is fixedly connected with a support (6), a second rotating shaft (7) is embedded into the support (6), the outer wall of the second rotating shaft (7) is rotatably connected with a roller (8), the inner part of the support (5) is fixedly provided with a threaded rod (9), the outer wall of the threaded rod (9) is fixedly connected with a bearing (10), the upper surface of the support (5) is fixedly connected with a first support plate (11), the inner part of the first support plate (11) is embedded with a screw (12), and the, and a hole (14) is arranged on the outer wall of the second supporting plate (13) in a penetrating manner.

2. The trolley case roller mounting structure according to claim 1, wherein: the diameter of the threaded rod (9) is smaller than that of the bearing (10), and the outer wall of the threaded rod (9) is clamped with the inner wall of the bearing (10).

3. The trolley case roller mounting structure according to claim 1, wherein: the diameter of the bearing (10) is smaller than that of the support column (5), and the outer wall of the bearing (10) is clamped with the inner wall of the support column (5).

4. The trolley case roller mounting structure according to claim 1, wherein: the four fixing blocks (1) are arranged in a grid shape, and the two supporting plates (13) are arranged above the four fixing blocks (1).

5. The trolley case roller mounting structure according to claim 4, wherein: the outer wall of the fixing block (1) is provided with a groove, the width and the height of the groove are larger than those of the elastic band (3), and the outer wall of each fixing block (1) is provided with two grooves.

6. The trolley case roller mounting structure according to claim 1, wherein: the length of the elastic band (3) is larger than the sum of the four fixing blocks (1), and the outer wall of the elastic band (3) is tightly attached to the four rotating shafts I (2).

7. The trolley case roller mounting structure according to claim 1, wherein: the diameter of pillar (5) is less than the diameter of hole (14), and pillar (5) and hole (14) joint.