CN213757001U

CN213757001U - Multifunctional luggage case with pulley locking function

Info

Publication number: CN213757001U
Application number: CN202023133735.1U
Authority: CN
Inventors: 陈业慧
Original assignee: Anhui Xinhua University
Current assignee: Anhui Xinhua University
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-23
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a multi-functional suitcase with pulley locking function, including box, pull rod guide, pull rod, assembly pulley, pulley fixed axle and pulley pillar, two pull rod guide are installed to the box rear end, are provided with the telescopic link in the pull rod guide, and telescopic link top and pull rod fixed connection, the assembly pulley is all installed to bottom half four corners department, the assembly pulley includes two pulley pieces, and two pulley pieces are installed at the both ends of pulley fixed axle, pulley fixed axle right side fixedly connected with pulley pillar, the spacing boss of pulley pillar top fixedly connected with, and spacing boss rotates with the box to be connected, the beneficial effects of the utility model are that: after the pull rod is pulled out, the brake block can leave the pulley block, the pulley block can rotate freely at the moment, after the pull rod is inserted, the brake block is in contact with the pulley block and generates pressure, the pulley block cannot rotate under the action of friction force at the moment, the control is convenient, the brake block is controlled through the pull rod, and the whole structure is more compact and reasonable.

Description

Multifunctional luggage case with pulley locking function

Technical Field

The utility model relates to a suitcase specifically is a multi-functional suitcase with pulley locking function.

Background

In order to move conveniently, universal wheels are generally installed at the bottom of the luggage case, the luggage case cannot be stopped on a slope due to the existence of the universal wheels, the luggage case can slide due to inertia when being arranged in a vehicle, and common brakes are difficult to install on the universal wheels. Accordingly, those skilled in the art have provided a multifunctional luggage case having a pulley locking function to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifunctional luggage case with pulley locking function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a multi-functional suitcase with pulley locking function, includes box, pull rod guide rail, pull rod, assembly pulley, pulley fixed axle and pulley pillar, two pull rod guide rails are installed to the box rear end, are provided with the telescopic link in the pull rod guide rail, and telescopic link top and pull rod fixed connection, the assembly pulley is all installed to bottom half four corners department, the assembly pulley includes two pulley pieces, and two pulley pieces are installed at the both ends of pulley fixed axle, pulley fixed axle right side fixedly connected with pulley pillar, the spacing boss of pulley pillar top fixedly connected with, and spacing boss is connected with the box rotation.

As a further aspect of the present invention: the pulley fixed shaft is connected with the pulley piece through a screw.

As a further aspect of the present invention: the pulley block is internally provided with a braking piece which is arc-shaped, the middle part of the braking piece is provided with a braking piece slot, and the pulley support is inserted in the braking piece slot and is rotationally connected.

As a further aspect of the present invention: the bottom of the pulley pillar is provided with a slide block guide rail, a slide block is arranged in the slide block guide rail, the right end of the slide block is rotatably connected with a push rod, and the right end of the push rod is rotatably connected with the right end of the brake piece.

As a further aspect of the present invention: the telescopic link bottom is installed the cylinder piston, and the pull rod guide rail inboard corresponds the cylinder piston below and is provided with piston cooperation chamber, the box rear end corresponds pull rod guide rail bottom and installs the air cavity, and the air cavity passes through the trachea to be connected with the inside cavity of pulley pillar, is provided with the slide wedge piston in the pulley pillar, corresponds slide wedge piston below in the slider and is provided with the chute, the inside left side of pulley fixed axle is provided with the spring, spring left end and slider guide rail fixed connection, spring right-hand member and slider fixed connection.

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

install the braking piece in the assembly pulley, can produce braking action to the pulley piece, prevent that the suitcase from sliding away under the condition of unmanned supervision, the suitcase passes through the pull rod pulling and removes, and the pull rod pulls out the back, the braking piece will leave the pulley piece, but the pulley piece free rotation this moment, insert the pull rod after, the braking piece contacts and produces pressure with the pulley piece, this moment under the effect of frictional force, the pulley piece can't rotate, control is convenient, and control the brake piece through the pull rod, make whole structure compacter reasonable.

Drawings

Fig. 1 is a schematic structural view of a multifunctional luggage case having a pulley locking function.

Fig. 2 is a schematic structural view of a pulley block in a multifunctional trunk with a pulley locking function.

Fig. 3 is a schematic view of a transmission structure of a slider in a multifunctional luggage case having a pulley locking function.

Fig. 4 is a schematic view showing the structure of an air chamber in a multi-functional trunk having a pulley locking function.

In the figure: 1-box body, 2-draw bar guide rail, 3-draw bar, 4-air cavity, 5-pulley block, 51-pulley plate, 52-pulley fixed shaft, 53-screw, 54-bearing, 55-slide block guide rail, 56-push rod, 57-brake plate, 58-brake plate notch, 59-limit boss, 60-pulley support, 61-air pipe, 62-wedge piston, 63-slide block, 64-chute, 65-spring, 31-telescopic rod, 32-cylinder piston and 33-piston matching cavity.

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 and 2, in an embodiment of the present invention, a multifunctional luggage case with a pulley locking function includes a case body 1, a pull rod guide rail 2, a pull rod 3, a pulley block 5, a pulley fixing shaft 52 and a pulley support 60, two pull rod guide rails 2 are arranged at the rear end of the box body 1, a telescopic rod 31 is arranged in each pull rod guide rail 2, the top of each telescopic rod 31 is fixedly connected with a pull rod 3, pulley blocks 5 are arranged at four corners of the bottom of the box body 1, the pulley block 5 comprises two pulley sheets 51, the two pulley sheets 51 are arranged at two ends of a pulley fixing shaft 52, a pulley pillar 60 is fixedly connected at the right side of the pulley fixing shaft 52, a limiting boss 59 is fixedly connected at the top of the pulley pillar 60, the limiting boss 59 is rotatably connected with the box body 1, the pulley fixed shaft 52 is provided with a bearing 54 at the joint with the pulley sheet 51, and the pulley sheet 51 is connected with the pulley fixed shaft 52 through a screw 53.

Referring to fig. 2 and 3, a brake block 57 is installed in the pulley block 5, the brake block 57 is arc-shaped, a brake block slot 58 is formed in the middle of the brake block 57, a pulley strut 60 is inserted into the brake block slot 58 and rotatably connected to the pulley strut, a slider rail 55 is installed at the bottom of the pulley strut 60, a slider 63 is arranged in the slider rail 55, the right end of the slider 63 is rotatably connected to a push rod 56, and the right end of the push rod 56 is rotatably connected to the right end of the brake block 57.

Referring to fig. 3 and 4, a cylindrical piston 32 is installed at the bottom of the telescopic rod 31, a piston matching cavity 33 is arranged on the inner side of the pull rod guide rail 2 corresponding to the lower portion of the cylindrical piston 32, an air cavity 4 is installed at the rear end of the box body 1 corresponding to the bottom of the pull rod guide rail 2, the air cavity 4 is connected with an internal cavity of the pulley support post 60 through an air pipe 61, a wedge piston 62 is arranged in the pulley support post 60, an inclined groove 64 is arranged in the sliding block 63 corresponding to the lower portion of the wedge piston 62, a spring 65 is arranged on the left side inside the pulley fixing shaft 52, the left end of the spring 65 is fixedly connected with the slider guide rail 55, and the right end of the spring 65 is fixedly connected with the sliding block 63.

The utility model discloses a theory of operation is:

the utility model relates to a multi-functional suitcase with pulley locking function, when pull rod 3 stretches out, braking piece 57 right-hand member and the contact of slider guide rail 55 right-hand member, braking piece 57 and pulley piece 51 contactless, spring 65 is in slight stretching state, promote behind the pull rod 3 downwards, telescopic link 31 withdrawal, cylinder piston 32 bottom telescopic link 31 inserts in the piston cooperation chamber 33, at this moment, air passes through in the air cavity 4 trachea 61 gets into pulley pillar 60, promote slide wedge piston 62 and remove downwards, thereby make slider 63 remove to the right side, under the effect of push rod 56, braking piece 57 anticlockwise rotation, pulley piece 51 is pressed in braking piece 57 bottom left side, thereby play the braking action, and in the same way, after pulling out telescopic link 31, spring 65 draws back slider 63.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. A multifunctional luggage case with a pulley locking function comprises a case body (1), a pull rod guide rail (2), a pull rod (3), a pulley block (5), a pulley fixing shaft (52) and a pulley pillar (60), it is characterized in that two pull rod guide rails (2) are arranged at the rear end of the box body (1), a telescopic rod (31) is arranged in each pull rod guide rail (2), the top of each telescopic rod (31) is fixedly connected with a pull rod (3), pulley blocks (5) are arranged at four corners of the bottom of the box body (1), the pulley block (5) comprises two pulley pieces (51), the two pulley pieces (51) are installed at two ends of the pulley fixing shaft (52), the right side of the pulley fixing shaft (52) is fixedly connected with a pulley pillar (60), the top of the pulley pillar (60) is fixedly connected with a limiting boss (59), and the limiting boss (59) is rotatably connected with the box body (1).

2. The multifunctional luggage with the pulley locking function according to claim 1, wherein the pulley fixing shaft (52) is connected with the pulley piece (51) by a bearing (54), and the pulley piece (51) is connected with the pulley fixing shaft (52) by a screw (53).

3. The multifunctional luggage with the pulley locking function of claim 2, wherein the pulley block (5) is internally provided with a brake plate (57), the brake plate (57) is arc-shaped, the middle part of the brake plate (57) is provided with a brake plate slot (58), and the pulley strut (60) is inserted in the brake plate slot (58) and is rotatably connected with the brake plate slot.

4. The multifunctional luggage with the pulley locking function of claim 3, wherein the pulley support column (60) is provided with a slide block guide rail (55) at the bottom, a slide block (63) is arranged in the slide block guide rail (55), the right end of the slide block (63) is rotatably connected with the push rod (56), and the right end of the push rod (56) is rotatably connected with the right end of the brake block (57).

5. The multifunctional luggage case with the pulley locking function according to claim 4, wherein a cylindrical piston (32) is installed at the bottom of the telescopic rod (31), a piston matching cavity (33) is arranged on the inner side of the pull rod guide rail (2) and below the cylindrical piston (32), an air cavity (4) is installed at the rear end of the case body (1) and below the pull rod guide rail (2), the air cavity (4) is connected with an inner cavity of the pulley support pillar (60) through an air pipe (61), a wedge piston (62) is arranged in the pulley support pillar (60), a chute (64) is arranged in the slider (63) and below the wedge piston (62), a spring (65) is arranged on the left side in the slider guide rail (55), the left end of the spring (65) is fixedly connected with the slider guide rail (55), and the right end of the spring (65) is fixedly connected with the slider (63).