CN217039167U

CN217039167U - Puncture-proof draw-bar box

Info

Publication number: CN217039167U
Application number: CN202123295993.4U
Authority: CN
Inventors: 陈尔奕
Original assignee: Fujian Baolijin Luggage Co ltd
Current assignee: Fujian Baolijin Luggage Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-26
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a puncture-proof draw-bar box belongs to case and bag technical field, including box, pull rod and truckle device, the truckle device is including being provided with four truckles and collet mechanism, the truckle rotates and sets up in collet mechanism, collet mechanism and box fixed connection, the utility model discloses stand upright when placing subaerial in the slope when needs, exert external force to drive assembly through the sole for drive assembly promotes butt subassembly and truckle looks butt through drive assembly, and then realizes the pivoted restriction to the truckle to avoid the draw-bar box to take place to slide, realize standing upright the placing.

Description

Puncture-proof draw-bar box

Technical Field

The utility model discloses a prevent impaling draw-bar box belongs to case and bag technical field.

Background

The draw-bar box is one kind of case and bag, and includes one bag body, one telescopic draw bar and one bottom wheel. The existing draw-bar box is mainly divided into an aluminum alloy material and a composite fabric material, the aluminum alloy box is formed by sheet material punch forming and then splicing, and the box made of the fabric material needs to be supported by a framework arranged in the box after sewing forming.

The existing draw-bar box is convenient to move, universal wheels are mostly installed on the draw-bar box, the draw-bar box is generally vertically placed in order to prevent the draw-bar box from being polluted, although the movement of the draw-bar box is convenient after the universal wheels are installed, when the draw-bar box is vertically placed on the inclined ground, or a bus is taken, the draw-bar box is easy to move, and inconvenience is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem and providing a puncture-proof draw-bar box.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a prevent impaling draw-bar box, including box, pull rod and truckle device, the truckle device is including being provided with four truckles and collet mechanism, the truckle rotates and sets up in collet mechanism, collet mechanism and box fixed connection, collet mechanism includes and sets up drive assembly, drive assembly in the collet main part and be used for restricting truckle pivoted butt subassembly with box fixed connection's collet main part, rotation, drive assembly is located inside the collet main part to drive assembly one end is connected with the drive assembly transmission, and the other end and butt subassembly fixed connection, the collet main part corresponds the drive assembly position and still is provided with location spout group.

Through adopting above-mentioned technical scheme, when needs are standing upright and are placed subaerial at the slope, exert external force through the sole to drive assembly for drive assembly promotes butt subassembly and truckle looks butt through drive assembly, and then realizes the pivoted restriction to the truckle, thereby avoids the draw-bar box to take place to slide, realizes standing upright and places.

Preferably, drive assembly includes the footboard, rotates the dwang that sets up in the collet main part and with the cam of drive assembly looks butt, footboard and dwang fixed connection, cam and dwang fixed connection.

Through adopting above-mentioned technical scheme, the footboard lapse for the footboard drives the dwang rotation, and then the dwang passes through the cam and promotes transmission assembly and take place to remove.

Preferably, the transmission assembly comprises a moving member slidably arranged on the base main body, a stirring member rotatably arranged on the moving member, and an elastic embedding member embedded into the positioning chute group, an elastic element for pushing the moving member to abut against the cam is further arranged between the moving member and the base main body, a torsion spring for driving the stirring member to reset is arranged between the stirring member and the moving member, and the stirring member is fixedly connected with the elastic embedding member.

Through adopting above-mentioned technical scheme, the cam promotes the moving member to being close to the elastic element direction and removing, and then forms the effect of compression energy storage to elastic element, and the moving member drives simultaneously and dials the piece and remove together for the position of elasticity embedding piece on location spout group changes thereupon, realizes the fixed effect to the moving member position.

Preferably, the positioning sliding groove group comprises a first sliding section, a second sliding section, a third sliding section and an elastic guide part which enables the elastic insert to move along the sequence from the first sliding section, the second sliding section to the third sliding section, the first sliding section, the second sliding section and the third sliding section are connected in sequence, the other end of the first sliding section is connected with the third sliding section to form a closed loop, the elastic guide part is arranged at the connection position of the first sliding section, the second sliding section and the third sliding section, the second sliding section is arranged in a V-shaped structure, one end of a sharp corner of the V-shaped structure points to the moving part, and the elastic guide part is arranged at the position of the sharp corner of the V-shaped second sliding section.

Through adopting above-mentioned technical scheme, when the moving member drove the elasticity embedding piece and moves to being close to the elastic element direction, the elasticity embedding piece reaches the highest point along the second slip section of first slip section slip, then after people removed the external force to the footboard, elastic element release elastic thrust promotes the moving member position and resets, and then the elasticity embedding piece slides the closed angle position of second slip section V style of calligraphy structure, make with the lateral wall looks butt of elasticity embedding piece second slip section, and then the position of fixed moving member makes its unable continuation removal.

Preferably, one side of the elastic guide part, which obstructs the passage of the elastic insert part, is provided as a plane, and the other side of the elastic guide part guides the elastic insert part to pass through the plane and is provided as an arc-shaped surface.

Through adopting above-mentioned technical scheme, the plane looks butt of elasticity embedding piece and elastic guide utilizes plane increase area of contact, and then guarantees to hinder the effect that the elasticity embedding piece passes through, and when elasticity embedding piece and elastic guide's arcwall face looks butt, utilizes the arcwall face to reduce area of contact to guide moving direction and then guarantee passing through of elasticity embedding piece.

Preferably, the abutting assembly comprises a connecting piece fixedly connected with the moving piece and a braking piece abutted against the caster wheel, and the connecting piece is fixedly connected with the braking piece.

Through adopting above-mentioned technical scheme, the moving member removes and drives the connecting piece and remove together for the brake piece and truckle looks butt, and then realize the restriction effect to truckle pivoted.

Preferably, the shoe main body is provided with a groove for accommodating the pedal.

Through adopting above-mentioned technical scheme, utilize the recess to play the position of hiding the footboard, avoid footboard and other external articles to take place the contact, improve people's use convenience.

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

when needs are standing upright and are placed subaerially at the slope, exert external force to drive assembly through the sole for drive assembly promotes butt subassembly and truckle looks butt through drive assembly, and then realizes the pivoted restriction to the truckle, thereby avoids the draw-bar box to take place to slide, realizes standing upright and places.

Drawings

Fig. 1 is a schematic structural view of a puncture-proof draw-bar box of the present invention;

FIG. 2 is a first structural schematic diagram of the shoe mechanism;

FIG. 3 is a schematic structural view II of the shoe mechanism;

FIG. 4 is a schematic view of the transmission assembly;

FIG. 5 is a schematic view of the positioning of the set of chutes;

fig. 6 is a schematic view of the structure of the elastic guide.

Reference numerals: 1. a box body; 2. a pull rod; 3. a caster wheel; 4. a collet mechanism; 41. a collet body; 42. a drive assembly; 4201. a pedal; 4202. rotating the rod; 4203. a cam; 43. an abutment assembly; 4301. a connecting member; 4302. a braking member; 44. positioning a chute group; 4401. a first sliding section; 4402. a second sliding section; 4403. a third sliding section; 4404. an elastic guide member; 45. a transmission assembly; 4501. a moving member; 4502. A toggle piece; 4503. a resilient insert; 4504. an elastic element.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. 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.

As shown in fig. 1-6, an anti-puncturing draw-bar box comprises a box body 1, a draw-bar 2 and caster devices, wherein the caster devices comprise four casters 3 and a bottom support mechanism 4, the casters 3 are rotatably disposed on the bottom support mechanism 4, the bottom support mechanism 4 is fixedly connected with the box body 1, the bottom support mechanism 4 comprises a bottom support main body 41 fixedly connected with the box body 1, a driving component 42 rotatably disposed on the bottom support main body 41, a transmission component 45 and a butting component 43 for limiting the rotation of the casters 3, when the box needs to be placed on an inclined ground in an upright manner, an external force is applied to the driving component 42 through soles, the transmission component 45 is located inside the bottom support main body 41, one end of the transmission component 45 is in transmission connection with the driving component 42, the other end of the transmission component 45 is fixedly connected with the butting component 43, so that the driving component 42 pushes the butting component 43 to butt against the casters 3 through the transmission component 45, and then realize the restriction to the pivoted of truckle 3 to avoid the draw-bar box to take place to slide, realize standing upright and place.

The driving assembly 42 includes a pedal 4201, a rotating rod 4202 rotatably disposed on the bottom bracket body 41, and a cam 4203 abutting against the transmission assembly 45, and meanwhile, a groove for accommodating the pedal 4201 is formed on the bottom bracket body 41, and the groove is used to hide the pedal 4201, so as to prevent the pedal 4201 from contacting with other external objects, thereby improving convenience of use of people, the pedal 4201 is fixedly connected with the rotating rod 4202, the cam 4203 is fixedly connected with the rotating rod 4202, and a sole of a foot treads the pedal 4201 to move downward, so that the pedal 4201 drives the rotating rod 4202 to rotate, and the rotating rod 4202 pushes the transmission assembly 45 to move through the cam 4203.

The transmission assembly 45 includes a moving member 4501 slidably disposed on the bottom bracket body 41, a toggle member 4502 rotatably disposed on the moving member 4501, and an elastic insert 4503 inserted into the positioning chute group 44, an elastic element 4504 for pushing the moving member 4501 to abut against the cam 4203 is further disposed between the moving member 4501 and the bottom bracket body 41, the cam 4203 pushes the moving member 4501 to move toward the direction close to the elastic element 4504, so as to form a compression energy storage effect on the elastic element 4504, a torsion spring for driving the position of the toggle member 4502 to return is disposed between the toggle member 4502 and the moving member 4501, the toggle member 4502 is fixedly connected to the elastic insert 4503, and the moving member 4501 drives the toggle member 4502 to move together, so that the position of the elastic insert 4503 on the positioning chute group 44 is changed accordingly, and a fixing effect on the position of the moving member 4501 is achieved.

The positioning chute group 44 includes a first sliding section 4401, a second sliding section 4402, a third sliding section 4403, and an elastic guide 4404 for moving the elastic insert 4503 along the sequence from the first sliding section 4401, the second sliding section 4402 to the third sliding section 4403, the first sliding section 4401, the second sliding section 4402 and the third sliding section 4403 are connected in sequence, and the other end of the first sliding section 4401 is connected with the third sliding section 4403 to form a closed loop, the elastic guide 4404 is arranged at the interconnection of the first sliding section 4401, the second sliding section 4402 and the third sliding section 4403, the second sliding section 4402 is arranged in a V-shaped structure, and the sharp corner of the V-shaped structure points at the moving member 4501, the elastic guide 4504 is arranged at the sharp corner of the V-shaped second sliding section 4402, and when the elastic insert 4503 is driven by the moving member 4401 to move towards the elastic member 4504 along the first sliding section 4401, then, when the external force on the pedal 4201 is removed, the elastic element 4504 releases the elastic pushing force to push the moving member 4501 to return to its original position, and the resilient insert 4503 is slid to the pointed position of the V-shaped configuration of the second slip segment 4402, so as to abut the side wall of the second slip segment 4402 of the resilient insert 4503, and thus the position of the moving member 4501 is fixed so that it cannot move any further, while one side of the elastic guide 4404 obstructing the passage of the elastic insert 4503 is provided as a plane, and the other side guides the elastic insert 4503 by being provided as an arc-shaped surface, the elastic insert 4503 abuts against the plane of the elastic guide 4404, the contact area is increased by the plane, thereby ensuring that the passage of the resilient insert 4503 is impeded, as the resilient insert 4503 abuts the arcuate surface of the resilient guide 4404, the arc-shaped surface is used to reduce the contact area and guide the moving direction to ensure the moving direction of the elastic insert 4503.

The working principle is as follows: when the bicycle needs to be placed on an inclined ground in an upright position, the pedal 4201 is moved downwards by the sole of a foot, so that the pedal 4201 drives the rotating rod 4202 to rotate, the rotating rod 4202 pushes the moving member 4501 to move towards the direction close to the elastic element 4504 through the cam 4203, so that the elastic element 4504 is compressed and stored energy, at the same time, the moving member 4501 drives the toggle member 4502 to move together, so that the elastic insert 4503 slides the second sliding section 4402 along the first sliding section 4401 to the highest position, and the moving member 4501 moves together to move the connecting member 4301, so that the brake 4302 is far away from the caster 3, so that the rotation limiting effect of the caster 3 is released, and then after the external force on the moving member 4201 is removed, the elastic element 4504 releases the elastic thrust to push the position 4501 to reset, so that the elastic insert 4503 slides to the sharp corner position of the V-shaped structure of the second sliding section 4402, so as to abut against the side wall of the second sliding section 4402 of the elastic insert 4503, and further fix the position of the moving member 4501 so that it cannot move any further, so that the brake member 4302 still keeps the restriction effect on the caster 3 released, when it is necessary to form the restriction effect on the caster 3 again, it is necessary to move the pedal 4201 downwards again, so that the pedal 4201 drives the rotating rod 4202 to rotate, and the rotating rod 4202 pushes the moving member 4501 to move through the cam 4203, so that the elastic insert 4503 slides along the second sliding section 4402 to the third sliding section 4403, and then after the external force on the pedal 4201 is removed, the elastic element 4504 releases the elastic thrust to push the moving member 4501 to reset, and further the elastic insert 4503 slides from the third sliding section 4403 to the first sliding section 4401 to reset the position.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An anti-puncture draw-bar box is characterized by comprising a box body (1), a draw bar (2) and a caster device, the caster device comprises four casters (3) and a bottom support mechanism (4), the caster wheels (3) are rotatably arranged on the bottom support mechanism (4), the bottom support mechanism (4) is fixedly connected with the box body (1), the bottom support mechanism (4) comprises a bottom support main body (41) fixedly connected with the box body (1), a driving component (42) rotatably arranged on the bottom support main body (41), a transmission component (45) and an abutting component (43) used for limiting the rotation of the caster wheel (3), wherein the transmission component (45) is positioned in the bottom support main body (41), one end of the transmission component (45) is connected with the driving component (42) in a transmission way, the other end is fixedly connected with the abutting component (43), the bottom support main body (41) is further provided with a positioning sliding groove group (44) corresponding to the transmission component (45).

2. A puncture resistant draw-bar box according to claim 1 wherein: the driving assembly (42) comprises a pedal (4201), a rotating rod (4202) rotatably arranged on the bottom support main body (41) and a cam (4203) abutted to the transmission assembly (45), wherein the pedal (4201) is fixedly connected with the rotating rod (4202), and the cam (4203) is fixedly connected with the rotating rod (4202).

3. A puncture resistant draw-bar box according to claim 2, wherein: the transmission assembly (45) comprises a moving piece (4501) arranged on the bottom support main body (41) in a sliding mode, a poking piece (4502) rotatably arranged on the moving piece (4501) and an elastic embedding piece (4503) embedded into the positioning sliding groove group (44), an elastic element (4504) used for pushing the moving piece (4501) to abut against the cam (4203) is further arranged between the moving piece (4501) and the bottom support main body (41), a torsion spring used for driving the poking piece (4502) to reset is arranged between the poking piece (4502) and the moving piece (4501), and the poking piece (4502) is fixedly connected with the elastic embedding piece (4503).

4. A puncture resistant draw-bar box according to claim 3 wherein: the positioning sliding groove group (44) comprises a first sliding section (4401), a second sliding section (4402), a third sliding section (4403) and an elastic guide piece (4404) which enables an elastic embedded piece (4503) to sequentially move along the first sliding section (4401), the second sliding section (4402) and the third sliding section (4403) and then return to the first sliding section (4401), the second sliding section (4402) and the third sliding section (4403) are sequentially connected, the other end of the first sliding section (4401) is connected with the third sliding section (4403) to form a closed loop, the mutually connected positions of the first sliding section (4401), the second sliding section (4402) and the third sliding section (4403) are fixedly provided with an elastic guide piece (4404) for controlling the moving direction of the elastic embedded piece (4503), the second sliding section (4402) is arranged in a V-shaped structure, and one end of the V-shaped structure points to the moving piece (4501), an elastic guide piece (4404) is arranged at the sharp angle position of the V shape of the second sliding section (4402).

5. The puncture resistant draw-bar box of claim 4, wherein: one side of the elastic guide piece (4404) for obstructing the elastic embedded piece (4503) from passing through is arranged to be a plane, and the other side of the elastic guide piece (4404) for guiding the elastic embedded piece (4503) to pass through is arranged to be an arc-shaped surface.

6. A penetration resistant draw-bar box according to claim 5 wherein: the abutting assembly (43) comprises a connecting piece (4301) fixedly connected with the moving piece (4501) and a brake piece (4302) used for abutting against the caster (3), and the connecting piece (4301) is fixedly connected with the brake piece (4302).

7. A puncture resistant draw-bar box according to claim 6 wherein: the shoe main body (41) is provided with a groove for accommodating the pedal (4201).