CN110269345B

CN110269345B - Draw-bar bag

Info

Publication number: CN110269345B
Application number: CN201910343560.XA
Authority: CN
Inventors: 汪贤荣; 刘生鸿; 陈杏兰; 刘梦溪
Original assignee: Anhui Qixin Bag Co ltd
Current assignee: ANHUI QIXIN BAG Co.,Ltd.
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2021-05-25
Anticipated expiration: 2039-04-26
Also published as: CN110269345A

Abstract

The invention discloses a draw-bar bag, which comprises a back plate of the draw-bar bag, wherein the right end face of the back plate is fixedly provided with straps which are symmetrical front and back, a draw groove is arranged in the back plate, the lower end wall of the draw groove is fixedly provided with a telescopic draw bar of which the upper end extends to the outside, four corners of the left end face of the back plate are fixedly provided with locking blocks, the left end face of each locking block is fixedly provided with a locking hook, a locking hole is arranged in each locking block, the left side of the draw groove is provided with a cavity, the lower side of the cavity is provided with a telescopic groove, a telescopic plate of which the left end extends to the outside is arranged in the telescopic groove in a sliding manner, the upper end of the telescopic plate in the telescopic groove is fixedly provided with a limiting block, a groove is arranged on the telescopic plate, and a bag frame is arranged in the groove. Is convenient for carrying.

Description

Draw-bar bag

Technical Field

The invention relates to the technical field of bags and bags, in particular to a draw-bar bag.

Background

Present pull rod package is mostly the design of pupil, solves too much books and makes the student be difficult to receive with the both shoulders packing, and problem that weight is big, but the unable dismantlement of pull rod package of current, and pull rod package prototype is bulky, and the quality is big, when only needing a little books in the package, empty package increases pupil's burden undoubtedly, secondly, does not set up braces device, no matter how many books in the package, only can use the push-and-pull mode to carry.

Therefore, there is a need for further improvements to prior art pole bags to increase their portability and flexibility.

Disclosure of Invention

The object of the present invention is to provide a trolley bag that overcomes the above-mentioned drawbacks of the prior art.

The pull rod bag comprises a back plate of the pull rod bag, wherein back straps which are symmetrical front and back are fixedly arranged on the right end face of the back plate, a pull groove is formed in the back plate, a telescopic pull rod with the upper end extending to the outside is fixedly arranged on the lower end wall of the pull groove, locking blocks are fixedly arranged at four corners of the left end face of the back plate, a locking hook is fixedly arranged on the left end face of each locking block, locking holes are formed in the locking blocks, a cavity is formed in the left side of the pull groove, a telescopic groove is formed in the lower side of the cavity, a telescopic plate with the left end extending to the outside is slidably arranged in the telescopic groove, a limiting block is fixedly arranged at the upper end of the telescopic plate in the telescopic groove, a bag frame is arranged in the groove, a through cavity is formed in the bag frame, connecting devices are arranged in the upper end wall and the lower end wall of the through cavity and comprise connecting members which are, the back plate can be locked and connected with the bag frame, the left side of the bag frame is provided with a front plate, the right end of the front plate is fixedly connected with the expansion plate, an open cavity is arranged in the front plate, a bag cover for sealing the open cavity is fixedly arranged on the lower end wall of the open cavity, the bag cover is connected with the left end face of the front plate through a zipper, a locking device which is symmetrical in the front and the back is arranged in the front plate, the locking device is matched with the connecting component in an inserting way and can be inserted into the lock hole, the front plate, the bag frame and the back plate are connected, so that the open cavity, the through cavity and the cavity are communicated to contain books or books, in addition, the bag frame can be disassembled, the telescopic plate is contracted in the telescopic groove, so that the front plate is connected with the back plate, the size and the weight of the draw-bar bag are reduced, and the front plate and the back plate are provided with front and back symmetrical rollers in a rotating mode.

The connecting component comprises a through groove which penetrates through the bag frame from left to right, a connecting rod is arranged in the through groove in a sliding manner, a reset component used for resetting the connecting rod is fixedly arranged on the lower end face of the connecting rod, a slot is arranged in the connecting rod, the slot is connected with the locking device in an inserting manner, the bag frame is connected with the front plate in a locking manner, a pressure groove is communicated and arranged on the right side of the slot, a pressure rod is arranged in the pressure groove in a sliding manner, a pressure spring is fixedly arranged between the right end of the pressure rod and the pressure groove, a push groove is arranged on one side of the pressure groove, which is far away from the through cavity, a push rod is arranged in the push groove in a sliding manner, the push rod is connected with the pressure rod in a meshing manner through a transmission gear, a groove is communicated and arranged on the right side of the push groove, the right end of the push rod extends into the groove, the back plate can be connected with the wrapping frame in a locking mode, and a torsion spring is fixedly arranged between the rotating hook and the groove.

A further technical scheme is that the locking device comprises a connecting cavity arranged in the front plate, a rotating gear is rotatably arranged in the connecting cavity, one end of each of the front rotating gear and the rear rotating gear, which is far away from each other, is engaged with a lock rod, the upper side of the connecting cavity is provided with a lock cavity, the upper end of the lock rod extends into the lock cavity and can be inserted into the slot of the upper side, the upper end of the front plate can be locked and connected with the wrapping frame, the rotating gear is close to one end of each of the front rotating gear and the rear rotating gear, which is engaged with a clamp rod, the lower side of the connecting cavity is provided with a lifting cavity, the lower end of the clamp rod extends into the lifting cavity, a clamp cavity is arranged in the clamp rod in the lifting cavity, the clamp cavity is inserted into the slot of the lower side, the lower end of the front plate can be locked and connected with the wrapping frame, the front end and the rear end of the fixed rod are fixedly connected with the clamping rods on the front side and the rear side respectively, the locking devices on the front side and the rear side synchronously lift to connect the front plate and the bag frame, and the operating device is arranged on the lower side of the lifting cavity on the rear side and used for disassembling and assembling the bag frame.

Further technical scheme, controlling means including set up in the dead slot in the front bezel, rotate through the bull stick in the dead slot and be equipped with first bevel gear, the bull stick rear end stretches into to the external world and has set firmly the commentaries on classics piece, the meshing of first bevel gear upper end has second bevel gear, second bevel gear upper end has set firmly the pivot, the dead slot upside communicates with each other and is equipped with the commentaries on classics groove, the pivot upper end with the end wall rotates to be connected and has set firmly the worm on it on, the meshing of worm front end has the worm wheel, worm wheel right-hand member face has set firmly the straight-teeth gear, the straight-teeth gear front end with the kelly meshing rotates the commentaries on classics piece is steerable the lift of kelly, it is right promptly the locking and the unblock of.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, the draw-bar bag can be disassembled, and the draw-bar bag can be used in a draw-bar box mode and a knapsack mode.

Drawings

FIG. 1 is a schematic view of the internal structure of a device for a trolley bag according to the present invention;

FIG. 2 is an enlarged view of "A" in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of "B" in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the structure in the direction "D-D" in FIG. 1 according to the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up-down, front-back, left-right directions described below correspond to the up-down, front-back, left-right directions in the projection relation of fig. 1 itself.

Referring to fig. 1 to 5, a pull rod bag according to an embodiment of the present invention includes a back plate 10 of the pull rod bag, back straps 11 are fixed on a right end face of the back plate 10, the back plate 10 is provided with a pull groove 12, a telescopic pull rod 13 is fixed on a lower end wall of the pull groove 12, an upper end of the telescopic pull rod extends to the outside, four corners of a left end face of the back plate 10 are provided with locking blocks 24, a locking hook 26 is fixed on a left end face of the locking block 24, the locking block 24 is provided with a locking hole 25, a cavity 15 is arranged on a left side of the pull groove 12, a telescopic groove 16 is arranged on a lower side of the cavity 15, a telescopic plate 17 is slidably arranged in the telescopic groove 16, a limiting block 18 is fixed on an upper end of the telescopic plate 17 in the telescopic groove 16, a groove 20 is arranged on the telescopic plate 17, a bag frame 21 is arranged in the groove 20, a through cavity 22 is arranged in the bag frame, the connecting device 100 comprises connecting members 200 which are symmetrical front and back, the four connecting members 200 are respectively matched with the four lock holes 25 in an inserting manner to lock and connect the back plate 10 with the bag frame 21, the left side of the bag frame 21 is provided with a front plate 38, the right end of the front plate 38 is fixedly connected with the expansion plate 17, an open cavity 39 is arranged in the front plate 38, the lower end wall of the open cavity 39 is fixedly provided with a bag cover 40 for sealing the open cavity 39, the bag cover 40 is connected with the left end surface of the front plate 38 through a zipper 41, a locking device 300 which is symmetrical front and back is arranged in the front plate 38, the locking device 300 is matched with the connecting members 200 in an inserting manner, the locking device 300 can be inserted with the lock holes 25, the front plate 38, the bag frame 21 and the back plate 10 are connected, so that the open cavity 39, the through cavity 22 and the cavity 15 are communicated to contain books or readings, in addition, the bag frame 21 can be detached, the telescopic plate 17 is contracted in the telescopic groove 16, so that the front plate 38 is connected with the back plate 10, and the volume and the weight of the draw-bar bag are reduced, wherein the front plate 38 and the back plate 10 are respectively provided with the front and back symmetrical rollers 71 in a rotating mode at the lower end faces.

Beneficially, the connecting member 200 includes a through groove 23 penetrating through the bag frame 21 from left to right, a connecting rod 27 is slidably disposed in the through groove 23, a reset component 37 for resetting the connecting rod 27 is fixedly disposed on a lower end surface of the connecting rod 27, a slot 44 is disposed in the connecting rod 27, the slot 44 is inserted into the locking device 300 to lock and connect the bag frame 21 with the front plate 38, a pressing groove 34 is disposed on a right side of the slot 44 in a communicating manner, a pressing rod 35 is slidably disposed in the pressing groove 34, a pressing spring 36 is fixedly disposed between a right end of the pressing rod 35 and the pressing groove 34, a pushing groove 31 is disposed on a side of the pressing groove 34 away from the through cavity 22, a pushing rod 32 is slidably disposed in the pushing groove 31, the pushing rod 32 is engaged and connected with the pressing rod 35 through a transmission gear 33, a slot 28 is disposed on a right side of the pushing groove 31 in a communicating manner, a right end of the, a rotating hook 29 which is abutted to the fixed block 30 is rotatably arranged in the slot 28, the rotating hook 29 is used for being hooked with the locking hook 26 to lock and connect the back plate 10 with the covering frame 21, and a torsion spring 70 is fixedly arranged between the rotating hook 29 and the slot 28.

Beneficially, the locking device 300 includes a connecting cavity 46 arranged in the front board 38, a rotating gear 47 is rotatably arranged in the connecting cavity 46, one end of each of the front and rear rotating gears 47, which is far away from each other, is engaged with a lock rod 45, the upper side of the connecting cavity 46 is provided with a lock cavity 42, the upper end of the lock rod 45 extends into the lock cavity 42 and can be inserted into the slot 44 on the upper side, the upper end of the front board 38 is locked and connected with the bag frame 21, one end of each of the rotating gears 47, which is close to each other, is engaged with a clamp rod 48, the lower side of the connecting cavity 46 is provided with a lifting cavity 50, the lower end of the clamp rod 48 extends into the lifting cavity 50, a clamp cavity 51 is arranged in the clamp rod 48 in the lifting cavity 50, the clamp cavity 51 is inserted into the slot 44 on the lower side, the lower end of the front board 38 is locked and connected with the bag frame 21, and a connecting groove 62 is communicated between, a fixing rod 63 is slidably arranged in the connecting groove 62, the front end and the rear end of the fixing rod 63 are fixedly connected with the clamping rods 48 on the front side and the rear side respectively, the locking devices 300 on the front side and the rear side are lifted synchronously to connect the front plate 38 with the wrapping frame 21, the lower side of the lifting cavity 50 on the rear side is provided with an operating device 400, and the operating device 400 is used for dismounting and mounting the wrapping frame 21.

Beneficially, the operating device 400 includes an empty slot 57 disposed in the front plate 38, a first bevel gear 59 is rotatably disposed in the empty slot 57 through a rotating rod 60, a rotating block 61 is fixedly disposed at the rear end of the rotating rod 60 and extends into the outside, a second bevel gear 58 is engaged with the upper end of the first bevel gear 59, a rotating shaft 56 is fixedly disposed at the upper end of the second bevel gear 58, the rotating slot 52 is communicated with the upper side of the empty slot 57, the upper end of the rotating shaft 56 is rotatably connected with the upper end wall of the rotating slot 52 and is fixedly provided with a worm 55, the front end of the worm 55 is engaged with a worm wheel 54, a straight gear 53 is fixedly provided at the right end face of the worm wheel 54, the front end of the straight gear 53 is engaged with the clamping rod 48, and the rotating block 61 is rotated to control the lifting of the clamping rod 48, that is, to lock and.

In the initial state, the front plate 38, the covering frame 21 and the back plate 10 are locked and connected as a whole, the rotating hook 29 is fastened with the locking hook 26, and the compression spring 36 and the torsion spring 70 are in the stretching state.

When the trolley bag is used, the pull-up groove 12 is pulled up to make the lower end of the roller 71 contact with the ground, the back plate 10, the bag frame 21 and the front plate 38 move forwards integrally through the roller 71, when less things are placed in the trolley bag, the rotating block 61 is rotated to make the second bevel gear 58 drive the worm 55 to rotate, the worm gear 54 drives the spur gear 53 to rotate, the clamping rod 48 moves upwards, the clamping rod 48 is separated from the slot 44 to unlock the connecting rod 27 at the lower side, the clamping rod 48 rises to make the locking rod 45 fall off from the slot 44 at the upper side, the connecting rod 27 at the upper side is unlocked, the locking between the front plate 38 and the bag frame 21 is unlocked, the locking rod 45 falls, the pressure rod 35 moves leftwards, the push rod 32 moves rightwards, the rotating hook 29 rotates under the action of the torsion spring 70, the rotating hook 29 is separated from the locking hook 26, the bag frame 21 is unlocked, then the bag frame 21 is taken out, the telescopic plate 17, make front bezel 38 right-hand member and backplate 10 butt, then in locking piece 24 left end stretched into lock chamber 42, reverse rotation commentaries on classics piece 61 makes kelly 48 descend the locking piece 24 joint with the downside through the transmission, makes locking lever 45 rise through rotating gear 47, with the locking piece 24 joint of upside to front bezel 38 is connected with backplate 10 locking, and accessible braces 11 back of the body is on the back, conveniently carries and uses.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. A pull rod bag comprises a back plate of the pull rod bag, wherein back straps which are symmetrical front and back are fixedly arranged on the right end face of the back plate, a pull groove is formed in the back plate, telescopic pull rods with the upper ends extending to the outside are fixedly arranged on the end wall of the lower end of the pull groove, locking blocks are fixedly arranged at four corners of the left end face of the back plate, locking hooks are fixedly arranged on the left end face of each locking block, locking holes are formed in the locking blocks, a cavity is formed in the left side of the pull groove, a telescopic groove is formed in the lower side of the cavity, a telescopic plate with the left end extending to the outside is slidably arranged in the telescopic groove, a limiting block is fixedly arranged at the upper end of the telescopic plate in the telescopic groove, a bag frame is arranged in the groove, a through cavity is formed in the bag frame, connecting devices are arranged in the upper end wall and the lower end wall of the through cavity and, the left side of the bag frame is provided with a front plate, the right end of the front plate is fixedly connected with the telescopic plate, an open cavity is arranged in the front plate, a bag cover used for sealing the open cavity is fixedly arranged on the lower end wall of the open cavity, the bag cover is connected with the left end face of the front plate through a zipper, front and back symmetrical locking devices are arranged in the front plate, the locking devices are in splicing fit with the connecting members and can be spliced with the lock holes, and front and back symmetrical rollers are rotationally arranged on the front plate and the lower end face of the back plate; the connecting component comprises a through groove which penetrates through the bag frame from left to right, a connecting rod is arranged in the through groove in a sliding manner, a reset component used for resetting the connecting rod is fixedly arranged on the lower end face of the connecting rod, a slot is arranged in the connecting rod, the slot is connected with the locking device in an inserting manner so as to lock the bag frame and the front plate, a pressure groove is communicated and arranged on the right side of the slot, a pressure rod is arranged in the pressure groove in a sliding manner, a pressure spring is fixedly arranged between the right end of the pressure rod and the pressure groove, a push groove is arranged on one side of the pressure groove, which is far away from the through cavity, a push rod is arranged in the push groove in a sliding manner, the push rod is connected with the pressure rod in a meshing manner through a transmission gear, a groove is communicated and arranged on the right side of the push groove, the right end of the push rod extends, a torsion spring is fixedly arranged between the rotating hook and the groove; the locking device comprises a connecting cavity arranged in the front plate, rotating gears are rotatably arranged in the connecting cavity, one ends of the front rotating gear and the rear rotating gear, which are far away from each other, are connected with a lock rod in a meshing manner, the upper side of the connecting cavity is communicated with a lock cavity, the upper end of the lock rod extends into the lock cavity and can be inserted into the slot at the upper side, one ends of the rotating gears, which are close to each other, are engaged and connected with clamping rods, the lower sides of the connecting cavities are communicated with each other and provided with lifting cavities, the lower ends of the clamping rods extend into the lifting cavities, a clamping cavity is arranged in the clamping rod in the lifting cavity, the clamping cavity is inserted into the slot on the lower side, a connecting slot is communicated between the front lifting cavity and the rear lifting cavity, a fixed rod is arranged in the connecting groove in a sliding mode, the front end and the rear end of the fixed rod are fixedly connected with the clamping rods on the front side and the rear side respectively, and an operating device is arranged on the lower side of the lifting cavity on the rear side and used for disassembling and assembling the wrapping frame; the controlling device including set up in the dead slot in the front bezel, it is equipped with first bevel gear to rotate through the bull stick in the dead slot, the bull stick rear end stretches into to the external world and has set firmly the commentaries on classics piece, the meshing of first bevel gear upper end has second bevel gear, the second bevel gear upper end has set firmly the pivot, the dead slot upside communicates with each other and is equipped with the dead slot, the pivot upper end with the end wall rotates to be connected and has set firmly the worm on it on the commentaries on classics slot, the meshing of worm front end has the worm wheel, worm wheel right-hand member face has set firmly the straight-teeth gear, the straight-teeth gear front end with the kelly meshing rotates the commentaries on classics piece is steerable the lift of kelly, it is right.