CN217073923U

CN217073923U - Draw-bar box wheel set structure for stabilizing draw-bar box

Info

Publication number: CN217073923U
Application number: CN202220833269.8U
Authority: CN
Inventors: 李水鹏
Original assignee: Jiangxi Province Xingan County Hua Xing Luggage Manufacturing Co ltd
Current assignee: Jiangxi Province Xingan County Hua Xing Luggage Manufacturing Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-29
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to the field of draw-bar boxes, and discloses a draw-bar box wheel set structure for stabilizing a draw-bar box, which effectively solves the problem that the prior draw-bar box is easy to move under the pushing of external force, thereby causing unstable placement, and comprises a box body, wherein a draw bar is arranged at the top end of the box body, a wheel body component is arranged at the bottom end of the draw bar, the wheel body component comprises bottom rods arranged at four corners of the bottom end of the box body, wheel seats are arranged at the bottom end of the bottom rods, box wheels are arranged inside the wheel seats, gears are arranged inside the bottom rods, a rotating unit is arranged at one side, far away from each other, of the bottom rods at two sides, and comprises racks symmetrically arranged at one side, far away from each other, of the bottom rods at two sides, the two racks at the same side are mutually driven to mutually keep away from each other, then the two bottom rods at the same side are driven to reversely rotate, thereby leading four box wheels at the bottom end to face towards different directions, thereby make the unable slip of case wheel to improve the stability of putting of box.

Description

Draw-bar box wheel set structure for stabilizing draw-bar box

Technical Field

The utility model belongs to the draw-bar box field specifically is a draw-bar box wheelset structure of stable draw-bar box.

Background

The draw-bar box refers to a luggage case with a draw bar and rollers, and is widely used due to convenient use. Meanwhile, the draw-bar box is provided with a draw bar due to the fact that the draw bar is arranged on the box and comprises a single-tube draw bar and a double-tube draw bar, and a tube of the draw bar also comprises a square tube and a round tube, so that the draw-bar box can be conveniently dragged during walking, the burden is greatly reduced, the draw-bar box can be carried by a hand or can be dragged, and wheels of the draw-bar box used at ordinary times are basically located at the bottom of the box.

When the draw-bar box is placed on the ground, the draw-bar box is easy to move under the pushing of external force, so that the placing is unstable.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a stabilize draw-bar box's draw-bar box wheelset structure has effectually solved present draw-bar box and has easily moved under receiving external force to cause and put unstable problem.

In order to achieve the above object, the utility model provides a following technical scheme: a trolley case wheel set structure for stabilizing a trolley case comprises a case body, wherein a pull rod is installed at the top end of the case body, and a wheel body assembly is installed at the bottom end of the pull rod;

the wheel body assembly comprises bottom rods arranged at four corners of the bottom end of the box body, wheel seats are arranged at the bottom ends of the bottom rods, box wheels are arranged in the wheel seats, gears are arranged in the bottom rods, and a rotating unit is arranged on one side, away from each other, of the bottom rods on the two sides;

the rotation unit comprises racks which are symmetrically arranged on the two sides of the bottom rod and are far away from one side of the bottom rod, the racks are meshed with the gears, the sliding block is installed at the top end of each rack, the sliding block is connected inside the sliding groove in a sliding mode, the sliding groove is arranged at the bottom end of the box body, and the adjusting unit is installed on one side of each rack.

Preferably, the top of sill bar is installed and is changeed the piece, changes the piece and rotate to be connected in the turning trough inside, and the turning trough is seted up respectively in box bottom four corners department.

Preferably, the adjusting unit comprises moving grooves symmetrically formed in two sides of the box body, moving blocks are slidably connected inside the moving grooves, connecting blocks are mounted on one sides of the moving blocks, and the connecting blocks are located on the outer sides of the moving grooves.

Preferably, the upper side and the lower side of the movable groove are symmetrically provided with connecting plates, and the connecting plates are fixedly connected with the box body.

Preferably, the inner parts of the two connecting plates are rotatably connected with screw rods, and the screw rods are in threaded connection with the connecting blocks.

Preferably, the swivel mount is installed to the bottom symmetry of connecting block, and the outside of swivel mount is rotated and is connected with the bull stick, and the bottom of bull stick is rotated and is connected with the dead lever.

Preferably, a back block is installed at one end of the fixing rod, and the two back blocks are respectively and fixedly connected with the two racks on the same side.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model drives the rotating rod to push the two racks at the same side to be away from each other and then drives the two bottom rods at the same side to reversely rotate after the connecting block moves downwards, so that the four box wheels at the bottom end of the box body are different in orientation, and the box wheels can not slide, thereby improving the placing stability of the box body;

(2) this is novel when removing to the bottommost end from the topmost through the connecting block, and the rack drives the sill bar and rotates ninety degrees contained angle this moment to make the case wheel all turn to ninety degrees, thereby adjust the moving direction of box, thereby conveniently use in narrow highway section.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic view of the wheel assembly of the present invention;

FIG. 3 is a schematic view of the structure of the box wheel of the present invention;

FIG. 4 is a schematic structural view of the adjusting unit of the present invention;

in the figure: 1. a box body; 2. a pull rod; 3. a wheel body assembly; 301. rotating the groove; 302. rotating the block; 303. a bottom bar; 304. a wheel seat; 305. a box wheel; 306. a gear; 307. a rotating unit; 3071. a chute; 3072. a slider; 3073. a rack; 308. an adjustment unit; 3081. a moving groove; 3082. a connecting plate; 3083. a screw; 3084. connecting blocks; 3085. a moving block; 3086. rotating; 3087. a rotating rod; 3088. a fixing rod; 3089. a back block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1-4, the present invention includes a box body 1, a pull rod 2 is installed on the top end of the box body 1, and a wheel body assembly 3 is installed on the bottom end of the pull rod 2.

In the second embodiment, on the basis of the first embodiment, the wheel body assembly 3 includes bottom rods 303 installed at four corners of the bottom end of the box body 1, wheel seats 304 are installed at the bottom ends of the bottom rods 303, box wheels 305 are installed inside the wheel seats 304, gears 306 are installed inside the bottom rods 303, rotating units 307 are installed on the sides, away from each other, of the bottom rods 303 on the two sides, each rotating unit 307 includes racks 3073 symmetrically installed on the sides, away from each other, of the bottom rods 303 on the two sides, the racks 3073 are meshed with the gears 306, sliders 3072 are installed at the top ends of the racks 3073, the sliders 3072 are slidably connected inside sliding grooves 3071, the sliding grooves 3071 are arranged at the bottom end of the box body 1, adjusting units 308 are installed on one sides of the racks 3073, rotating blocks 302 are installed at the top ends of the bottom rods 303, the rotating blocks 302 are rotatably connected inside the rotating grooves 301, and the rotating grooves 301 are respectively arranged at four corners of the bottom end of the box body 1;

the adjusting unit 308 comprises moving grooves 3081 symmetrically formed in two sides of the box body 1, moving blocks 3085 are slidably connected inside the moving grooves 3081, connecting blocks 3084 are mounted on one sides of the moving blocks 3085, the connecting blocks 3084 are located on the outer sides of the moving grooves 3081, connecting plates 3082 are symmetrically mounted on the upper and lower sides of the moving grooves 3081, the connecting plates 3082 are fixedly connected with the box body 1, screw rods 3083 are rotatably connected inside the two connecting plates 3082, the screw rods 3083 are in threaded connection with the connecting blocks 3084, rotary bases 3086 are symmetrically mounted at the bottom ends of the connecting blocks 3084, rotary rods 3087 are rotatably connected on the outer sides of the rotary bases 3086, fixing rods 3088 are rotatably connected at the bottom ends of the rotary rods 3087, back blocks 3089 are mounted at one ends of the fixing rods 3088, and the two back blocks 3089 are fixedly connected with two racks 3073 on the same side respectively;

screw 3083 drives connecting block 3084 downstream after rotating, drives two racks 3073 of homonymy and keeps away from each other, drives two sill bar 303 antiport of homonymy to make two case wheels 305 of homonymy form the removal contained angle, thereby make the unable slip of case wheel 305, thereby improve putting of box 1 stability.

The working principle is as follows: when using, when needs place box 1 subaerial, rotate screw 3083, make screw 3083 drive connecting block 3084 downstream after rotating, thereby make connecting block 3084 move down the back and promote two racks 3073 of homonymy each other to keep away from through bull stick 3087, thereby make rack 3073 move the back, drive two sill bar 303 antiport of homonymy, thereby make two case wheels 305 of homonymy form the removal contained angle, thereby make four case wheels 305 of box 1 bottom different towards, thereby make case wheel 305 unable slip, thereby improve the stability of putting of box 1, and when connecting block 3084 removed to the bottommost from the top, rack 3073 drives sill bar 303 and rotates ninety degrees contained angle this moment, thereby make case wheel 305 all turn to ninety degrees, thereby adjust the moving direction of box 1, thereby conveniently use in narrow highway section.

Claims

1. The utility model provides a stabilize draw-bar box wheel group structure of draw-bar box, includes box (1), its characterized in that: a pull rod (2) is installed at the top end of the box body (1), and a wheel body assembly (3) is installed at the bottom end of the pull rod (2);

the wheel body assembly (3) comprises bottom rods (303) arranged at four corners of the bottom end of the box body (1), wheel seats (304) are arranged at the bottom ends of the bottom rods (303), box wheels (305) are arranged in the wheel seats (304), gears (306) are arranged in the bottom rods (303), and rotating units (307) are arranged on the sides, away from each other, of the bottom rods (303) on the two sides;

rotating unit (307) are including rack (3073) of keeping away from one side each other of bottom bar (303) that the symmetry located both sides, and rack (3073) meshes with gear (306) mutually, and slider (3072) are installed on the top of rack (3073), and slider (3072) sliding connection is inside spout (3071), and the bottom of box (1) is seted up in spout (3071), and adjusting unit (308) are installed to one side of rack (3073).

2. The trolley case wheelset structure for stabilizing a trolley case as claimed in claim 1, wherein: the top of sill bar (303) is installed and is changeed piece (302), and commentaries on classics piece (302) rotate to be connected in that turn trough (301) are inside, and turn trough (301) are seted up respectively in box (1) bottom four corners department.

3. The trolley case wheelset structure for stabilizing a trolley case as claimed in claim 1, wherein: the adjusting unit (308) comprises moving grooves (3081) symmetrically formed in two sides of the box body (1), a moving block (3085) is connected to the inside of each moving groove (3081) in a sliding mode, a connecting block (3084) is installed on one side of each moving block (3085), and the connecting block (3084) is located on the outer side of each moving groove (3081).

4. A trolley case wheelset structure for stabilizing a trolley case as claimed in claim 3, wherein: connecting plates (3082) are symmetrically arranged on the upper side and the lower side of the moving groove (3081), and the connecting plates (3082) are fixedly connected with the box body (1).

5. The trolley case wheelset structure for stabilizing a trolley case as claimed in claim 4, wherein: the screw rods (3083) are rotatably connected inside the two connecting plates (3082), and the screw rods (3083) are in threaded connection with the connecting blocks (3084).

6. A trolley case wheelset structure for stabilizing a trolley case as claimed in claim 3, wherein: swivel mount (3086) are installed to the bottom symmetry of connecting block (3084), and the outside of swivel mount (3086) is rotated and is connected with bull stick (3087), and the bottom of bull stick (3087) is rotated and is connected with dead lever (3088).

7. The trolley case wheelset structure for stabilizing a trolley case as claimed in claim 6, wherein: back blocks (3089) are installed at one end of the fixing rod (3088), and the two back blocks (3089) are fixedly connected with the two racks (3073) on the same side respectively.