CN111264987B

CN111264987B - Anti-roll device for luggage case pull rod

Info

Publication number: CN111264987B
Application number: CN202010172337.6A
Authority: CN
Inventors: 张应相
Original assignee: Zhejiang Zhengtian Travel Products Co ltd
Current assignee: Zhejiang Zhengtian Travel Products Co.,Ltd.
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-08-17
Anticipated expiration: 2040-03-12
Also published as: CN111264987A

Abstract

The invention discloses a luggage case pull rod anti-rolling device which comprises a case body, wherein a telescopic pull rod is slidably sleeved at the upper end of the case body, and a sealing cylinder is filled with liquid. The invention sets up the bearing seat and sealed canister corresponding up and down in the trunk body, the push rod of the telescopic movement is supported in the sealed canister movably by the liquid, the push block and the conductive plate installed by the spring elasticity are set in the bearing seat, and the power corresponding to the conductive plate is set in the upper end of the bearing seat; through upper bracket and the lower carriage that corresponds about setting up in bearing seat both sides, utilize upper bracket and lower carriage to connect the bearing bar jointly, and set up the telescopic link of opening and close by power control between bearing seat and bearing bar, make the telescopic link when the suitcase box is emptyd, the push rod extends and moves outward in order to realize the switch-on, the shrink of power control telescopic link, make the bearing bar tend to perpendicularly, for the suitcase that emptys provides the supporting role, avoid box and ground to cause the extrusion destruction to the pull rod.

Description

Anti-roll device for luggage case pull rod

Technical Field

The invention relates to the technical field of application and protection of a luggage case, in particular to a luggage case pull rod anti-rolling device.

Background

Luggage, also known as travel suitcase and trolley case, is a type of luggage that is carried when going out for placing articles. With the continuous innovation of manufacturing technology, the existing luggage case is made to present the characteristic of more and more lightness, wherein, the telescopic pull rod and the roller wheel of the walking movement of the supporter become the standard configuration.

However, the instability of the luggage case is increased by the movable supporting mode, especially, the vertical luggage case is easy to incline due to unstable gravity center under the full load and vertical placement state, the inclined luggage case has certain inertia, in the dumping process, the pull rod is made of plastic materials and is mostly of a hollow structure, under the action of huge pressure, the pull rod is extruded by the luggage case and the ground in a two-way mode, the deformation is easy to damage, even a fracture accident can occur, and the damaged pull rod has very inconvenient influence on the use of the luggage case.

Disclosure of Invention

The invention aims to solve the problem that the telescopic pull rod is easy to roll and damage when a luggage case is overturned in the prior art, and provides an anti-rolling device for the pull rod of the luggage case.

In order to achieve the purpose, the invention adopts the following technical scheme:

a suitcase pull rod anti-rolling device comprises a box body, wherein a telescopic pull rod is sleeved in the upper end of the box body in a sliding mode, a sealing cylinder and a bearing seat which vertically correspond to each other are fixedly arranged in the box body respectively, liquid is filled in the sealing cylinder, a piston which is in contact with the liquid is sleeved in the sealing cylinder in a sliding mode, a push rod which movably penetrates through the upper end of the sealing cylinder and extends to the bearing seat is fixedly connected to the piston, a power supply is fixedly arranged in the upper end of the bearing seat, a conductive rod is fixedly connected to the lower end of the power supply, springs are welded to the upper ends of the two sides of the bearing seat correspondingly, a push block which is sleeved in the lower end of the bearing seat in a sliding mode is connected to the two springs together, a conductive plate which corresponds to the conductive rod is fixedly connected to the upper end of the bearing seat, an upper support and a lower support are connected to the front end of the bearing seat and the rear end of the bearing seat respectively through pin shafts, and the upper support and the lower support are connected to the bearing rod together through pin shafts, and the middle parts of the two sides of the bearing seat are rotatably provided with telescopic rods which are connected with the bearing rod pin shafts and are electrically connected with the power supply, and the lower ends of the two bearing rods are fixedly connected with backing plates.

Preferably, the sealing cylinder and the bearing seat are correspondingly distributed from bottom to top, and the opening at the lower end of the bearing seat of the groove-shaped structure corresponds to the sealing cylinder up and down.

Preferably, the push block is located right above the push rod, and the push block is movably abutted to the push rod.

Preferably, guide grooves which are sleeved with two ends of the push block in a sliding manner are formed in two sides of the bearing seat.

Preferably, the upper support and the lower support correspond up and down, and the telescopic rod is located between the upper support and the lower support.

Preferably, the free end of the upper bracket and the free end of the lower bracket are respectively connected with the upper end and the lower end of the bearing rod.

Compared with the prior art, the invention has the following advantages:

1. the invention arranges a sealing cylinder filled with a certain amount of liquid in a trunk body of a trunk, and arranges a push rod which is supported by the liquid and can slide and stretch out and draw back in the sealing cylinder; set up the bearing seat in through the box upper end to set up the power in the bearing seat and be connected with the ejector pad of current conducting plate, corresponding through making power ejector pad and push rod top-down, make the suitcase liquid flow when empting, in order to extrude piston and push rod, under the further effect of push rod, make current conducting plate on the ejector pad contact with the power, thereby the switch is opened and close in the switch-on.

2. According to the invention, the bearing rods jointly supported by the upper support and the lower support are respectively arranged on the bearing seats at the upper end of the trunk body of the luggage case, and the telescopic rods controlled to be opened and closed by the power supply are arranged between the bearing seats and the bearing rods, so that the telescopic rods can perform telescopic motion under the condition of being connected with the power supply, and the upper support and the lower support are driven to be folded and unfolded, and the vertically extending bearing rods can provide a supporting effect for the toppled trunk body of the luggage case, so as to provide a protection effect for the pull rods, and avoid the trunk body from causing the rolling damage to the pull rods with fragile structures.

In summary, the suitcase body is provided with the bearing seat, the seat and the sealing cylinder which correspond up and down, the sealing cylinder is internally and movably supported with liquid to be telescopic, the bearing seat is internally provided with the push block and the conductive plate which are elastically installed by the spring, and the upper end of the bearing seat is internally provided with the power supply which corresponds to the conductive plate; through upper bracket and the lower carriage that corresponds about setting up in bearing seat both sides, utilize upper bracket and lower carriage to connect the bearing bar jointly, and set up the telescopic link of opening and close by power control between bearing seat and bearing bar, make the telescopic link when the suitcase box is emptyd, the push rod extends and moves outward in order to realize the switch-on, the shrink of power control telescopic link, make the bearing bar tend to perpendicularly, for the suitcase that emptys provides the supporting role, avoid box and ground to cause the extrusion destruction to the pull rod.

Drawings

Fig. 1 is a schematic structural view of a luggage case drawbar anti-rolling device according to the present invention;

FIG. 2 is an enlarged view of a portion A of the anti-roll device for a drawbar of a suitcase according to the present invention;

FIG. 3 is an enlarged view of a portion B of the anti-roll device for a drawbar of a suitcase according to the present invention;

FIG. 4 is a top view of a luggage case drawbar anti-roll device in accordance with the present invention;

FIG. 5 is a schematic view of the connection structure of the upper and lower brackets and the bearing bar of the anti-roll device for the drawbar of the suitcase according to the present invention;

fig. 6 is a schematic view of a connection structure of a bearing rod and a backing plate of the anti-roll device for a pull rod of a luggage case provided by the invention.

In the figure: the device comprises a box body 1, a pull rod 2, a sealing cylinder 3, a bearing seat 4, a power supply 5, a piston 6, a push rod 7, a push block 8, a guide groove 9, a conductive plate 10, an upper support 11, a lower support 12, a bearing rod 13, a telescopic rod 14, a cushion plate 15, a spring 16 and a conductive rod 17.

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 a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a luggage case drawbar anti-roll device comprises a case body 1, a telescopic drawbar 2 is slidably sleeved in the upper end of the case body 1, a sealing cylinder 3 and a bearing seat 4 which are vertically corresponding are respectively and fixedly arranged in the case body 1, liquid is filled in the sealing cylinder 3, a piston 6 which is in contact with the liquid is slidably sleeved in the sealing cylinder 3, a push rod 7 which movably penetrates through the upper end of the sealing cylinder 3 and extends to the bearing seat 4 is fixedly connected on the piston 6, the liquid is positioned at the lower end of the sealing cylinder 3 under the action of gravity when the luggage case body 1 is in a vertical state, the piston 6 supports the push rod 7 to be contracted in the sealing cylinder 3 under the action of buoyancy of the liquid, and particularly referring to the description of fig. 1, when the case body 1 is inclined, the sealing cylinder 3 gradually becomes horizontal, the liquid flows horizontally to extrude the piston 6, so that the push rod 7 extends out of the sealing cylinder 3, the upper end of the bearing seat 4 is internally and fixedly provided with a power supply 5, the lower end of the power supply 5 is fixedly connected with a conductive rod 17, the upper ends of two sides of the bearing seat 4 are correspondingly welded with springs 16, the two springs 16 are jointly connected with a push block 8 which is sleeved in the lower end of the bearing seat 4 in a sliding manner, the upper end of the push block 8 is fixedly connected with a conductive plate 10 corresponding to the conductive rod 17, the front end and the rear end of the bearing seat 4 are respectively connected with an upper bracket 11 and a lower bracket 12 corresponding to pin shafts, the upper bracket 11 and the lower bracket 12 are jointly connected with a bearing rod 13 in a pin shaft manner, the middle parts of two sides of the bearing seat 4 are rotatably provided with telescopic rods 14 which are connected with the bearing rod 13 in a pin shaft manner and electrically connected with the power supply 5, it should be noted that the telescopic rods 14 can be selected from electric equipment with a Schafu brand of CAHB-10, the lower ends of the two bearing rods 13 are both fixedly connected with backing plates 15, the backing plates 15 are made of silica gel and can be in moderate contact with the ground under the traction of the bearing rods 13, thereby providing a support for the cabinet 1 with a cushioning effect.

The sealing barrel 3 and the bearing seat 4 are correspondingly distributed from bottom to top, and the lower end opening of the bearing seat 4 with the groove structure is vertically corresponding to the sealing barrel 3.

The push block 8 is located right above the push rod 7, the push block 8 is movably abutted to the push rod 7, the telescopic push rod 7 is used for extruding the push block 8, the conductive plate 10 is connected with the conductive rod 17, and therefore the power supply 5 provides opening and closing control for the telescopic rod 14.

The two sides of the bearing seat 4 are provided with guide grooves 9 which are sleeved with the two ends of the push block 8 in a sliding manner, so that the moving stability of the push block 8 and the current-conducting plate 10 can be ensured.

The upper support 11 corresponds to the lower support 12 up and down, the telescopic rod 14 is positioned between the upper support 11 and the lower support 12, and the length of the telescopic rod 14 is used for adjusting the supporting function of different positions provided by the upper support 11 and the lower support 12, so that the bearing rod 13 can be freely adjusted in a telescopic mode.

The free end of the upper bracket 11 and the free end of the lower bracket 12 are respectively connected with the upper end and the lower end of the bearing rod 13, so that the upper bracket 11 and the lower bracket 12 can provide stable traction supporting effect for the bearing rod 13.

The invention can be illustrated by the following operating modes:

in an initial state, the trunk body 1 of the luggage case is in a vertical state, liquid in the sealing cylinder 3 is at the lower end position of the sealing cylinder 3, the piston 6 supported by the liquid and the push rod 7 connected with the piston 6 are also at the lower end position of the sealing cylinder 3 and are also contracted in the sealing cylinder 3;

at this time, under the elastic support of the spring 16, the push block 8 drives the conductive plate 10 to be located at the lower end of the bearing seat 4, that is, the conductive plate 10 and the conductive rod 17 on the power supply 5 are in a separated and disconnected state, and the power supply 5 and the telescopic rod 14 are also in a disconnected state;

at the same time, the output shaft of the telescopic rod 14 is extended outward, so that the upper bracket 11 and the lower bracket 12 are in a contracted state of being inclined upward, and the bearing rod 13 and the backing plate 15 are accommodated in the luggage body 1 side.

With particular reference to the description of fig. 1, when the suitcase body 1 is unbalanced to topple:

the sealing cylinder 3 is inclined to be horizontal, so that liquid flows to the upper end of the sealing cylinder 3, the piston 6 and the push rod 7 are extruded, and one end, far away from the piston 6, of the push rod 7 extends to the bearing seat 4 outside the upper end of the sealing cylinder 3;

when the push rod 7 extends to the position of the bearing seat 4, the push rod is contacted with the push block 8 and extrudes the push block 8, the stressed push block 8 drives the conductive plate 10 to move to the power supply 5 in the guide groove 9 and extrudes the spring 16, so that the spring 16 is stressed and condensed, and the conductive plate 10 is abutted against the conductive rod 17, so that the power supply 5 is electrically connected with the telescopic rod 14;

the 14 output shafts of telescopic link after switch on 5 shrink fast to pull bearing bar 13, under the traction of bearing bar 13, make upper bracket 11 and lower carriage 12 tend to the level in step, and bearing bar 13 drives backing plate 15 and gradually becomes perpendicular, through outwards extending for box 1 provides the support, thereby for pull rod 2 provides the support protection, avoid pull rod 2 and ground to take place violent collision.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a suitcase pull rod roll-over preventing device, includes box (1), its characterized in that, sliding sleeve is equipped with telescopic pull rod (2) in box (1) upper end, and is provided with sealed section of thick bamboo (3) and bearing seat (4) that correspond perpendicularly in the box (1) respectively fixedly, sealed section of thick bamboo (3) intussuseption is filled with liquid, and sliding sleeve is equipped with piston (6) that contacts with liquid in sealed section of thick bamboo (3), and fixedly connected with activity runs through sealed section of thick bamboo (3) upper end and extends to push rod (7) of bearing seat (4) department on piston (6), bearing seat (4) upper end internal fixation is provided with power (5), and power (5) lower extreme fixedly connected with conducting rod (17), bearing seat (4) both sides upper end corresponds the welding has spring (16), and two spring (16) are connected with jointly and slide the sliding sleeve and locate bearing seat (4) lower extreme in push away piece (8), the push block (8) upper end fixedly connected with conducting plate (10) corresponding with conducting rod (17), bearing seat (4) front end and rear end correspond round pin hub connection respectively and have upper bracket (11) and lower carriage (12), upper bracket (11) and lower carriage (12) pin hub connection have bearing bar (13) jointly, and bearing seat (4) both sides middle part rotates installs and is sold hub connection with bearing bar (13) and with power (5) electric connection's telescopic link (14), and two equal fixedly connected with backing plate (15) of bearing bar (13) lower extreme.

2. The anti-roll device of the pull rod of the luggage case as claimed in claim 1, wherein the sealing cylinder (3) and the bearing seat (4) are correspondingly distributed from bottom to top, and the opening at the lower end of the bearing seat (4) with the groove structure is vertically corresponding to the sealing cylinder (3).

3. The anti-roll device of the pull rod of the luggage case as claimed in claim 1, wherein the push block (8) is located right above the push rod (7), and the push block (8) is movably abutted against the push rod (7).

4. The anti-roll device of the pull rod of the luggage case as claimed in claim 2, wherein the two sides of the bearing seat (4) are provided with guide grooves (9) which are slidably sleeved on the two ends of the push block (8).

5. The anti-roll device of the trunk drawbar according to claim 1, wherein the upper support (11) and the lower support (12) correspond up and down, and the telescopic rod (14) is located between the upper support (11) and the lower support (12).

6. The anti-roll device of the pull rod of the luggage case as claimed in claim 5, wherein the free ends of the upper bracket (11) and the lower bracket (12) are connected with the upper end and the lower end of the bearing rod (13), respectively.