CN214710968U

CN214710968U - Wear-resisting draw-bar box that pull rod is collapsible to be taken out

Info

Publication number: CN214710968U
Application number: CN202120703147.2U
Authority: CN
Inventors: 许道溪
Original assignee: Zhejiang Hongyi Cases Leather Co ltd
Current assignee: Zhejiang Hongyi Cases Leather Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-16
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a wear-resistant draw-bar box with a draw bar capable of being folded and drawn out, which belongs to the field of draw-bar box devices, and comprises a device body, wherein the device body comprises a box body, a draw-bar part and a draw-bar device, the draw-bar part is arranged on the back surface of the box body, the draw-bar device is arranged in the draw-bar part, the draw-bar part comprises a shell and a hole groove, the hole groove is arranged in the shell, the draw-bar device is arranged in the hole groove, the draw-bar device comprises a frame, a square hole, a rotary groove and a handle device, the square hole is arranged at the top end of the frame, the rotary groove is arranged in the middle part of the front end surface of the frame, an extension plate is movably fixed in the rotary groove, the handle device comprises a handle, a lifting bar, a pull rope and a fixing frame, the bottom end of the handle is provided with the lifting bar, the end of the lifting bar is fixedly connected with the top end of the pull rope, the end of the pull rope runs through the fixing frame, the structural stability of the draw-bar is improved, the situation that the unstable structure is avoided after the drawing, and the extension plate can extend the stretching length, thereby being convenient for the operation of a user.

Description

Wear-resisting draw-bar box that pull rod is collapsible to be taken out

Technical Field

The utility model relates to a draw-bar box device field specifically is a wear-resisting draw-bar box that the pull rod is collapsible to be taken out.

Background

The draw-bar box refers to a luggage case with a draw bar and rollers, and is widely used due to the use convenience, meanwhile, the draw-bar box is also provided with a draw bar due to the case, the draw bar is divided into a single-tube draw bar and a double-tube draw bar, the tube of the draw bar is divided into a square tube and a round tube, so that the luggage case can be dragged when being conveniently walked, the burden is greatly reduced, the draw-bar box can be carried by hand and also can be dragged, the wheels of the draw-bar box used by people at ordinary times are basically positioned at the bottom of the case, the draw-bar box can be finely divided according to the actual use requirements, the wear-resistant draw-bar box is one of the draw-bar box, and in order to save space, the draw bar is protected at the same time, and a folding draw-bar structure is provided.

The existing wear-resistant draw-bar box with a plurality of foldable draw bars is unstable in connection of the draw bars, and the draw bars are easy to shake when in use, so that the use safety and the service life of the wear-resistant draw-bar box are influenced. Accordingly, those skilled in the art have provided a wear-resistant draw-bar box in which draw bars are foldably drawn out to solve the problems set forth in the background art as described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting draw-bar box that the pull rod is collapsible to take out to solve the current folding wear-resisting draw-bar box of majority pull rod that proposes in the above-mentioned background art, the pull rod is connected unstably, and the pull rod rocks easily when using, influences wear-resisting draw-bar box's safety in utilization and life's problem.

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

a wear-resistant draw-bar box with a draw bar capable of being folded and pulled out comprises a device body, wherein the device body comprises a box body, a draw bar part and a draw bar device, the draw bar part is arranged on the back of the box body, the draw bar device is arranged inside the draw bar part, the draw bar part comprises a shell and a hole groove, the hole groove is formed inside the shell, the draw bar device is arranged inside the hole groove, the draw bar device comprises a frame, a square hole, a rotary groove and a handle device, the square hole is formed in the top end of the frame, the rotary groove is formed in the middle of the front end surface of the frame, an extension plate is movably fixed in the rotary groove, the handle device comprises a handle, a lifting bar, a pull rope and a fixing frame, the bottom end of the handle is provided with the lifting bar, the tail end of the lifting bar is fixedly connected with the top end of the pull rope, the tail end of the pull rope penetrates through the fixing frame, the fixing frame is arranged on the outer side surface of the frame, the utility model discloses a rack, including the frame, the one end outside of mount is provided with the spring, the other end and the pinion rack welded fastening of spring, the pinion rack is established fixedly with the rack card the rack sets up in the both ends inboard surface of frame, the square hole runs through in the middle part of handle, fix through fixing bolt between pull rod portion and the box.

As a further aspect of the present invention: stay cord bilateral symmetry is provided with two sets ofly, and every group the middle part of stay cord all with the runner contact fixed, every group the one end of runner all with one side fixed connection of frame, the multiunit the stay cord can be used for contracting the pinion rack to inside, extrudeing the spring, later, the user can loosen the stay cord, the pinion rack is blocked with the rack and is established fixedly.

As a further aspect of the present invention: the diameter of the handle is smaller than that of the pull rope at the bottom end, the handle is convenient for a user to pull, and the pull rope is convenient to fix.

As a further aspect of the present invention: the middle part that sets up the spring is run through in the end middle part of stay cord, the stay cord after receiving the traction force of upper end, can with the pinion rack is to inside shrink, and then will the handle device carries out the fixed of appointed height and length.

As a further aspect of the present invention: fixing bolt is provided with the multiunit, just fixing bolt is the equidistance symmetric distribution, the multiunit fixing bolt improves the utility model discloses a structural stability, the dispersion the fixed effect of pull rod portion and box.

As a further aspect of the present invention: the top of extension board is provided with the axle bed structure, and the axle bed structure is fixed with the activity of rotary trough, conveniently deflects.

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

in the utility model, through the arranged draw bar part and the draw bar device, a user firstly draws the handle in the draw bar device upwards, and when drawing, draws the stay cord to move towards the top end, and then the toothed plate can move towards the inner side, and then the draw bar device pulls the stay cord outwards to the appointed length and height, and then loosens the handle, after receiving the rebound effect of the spring, the toothed plate can move outwards firstly, and drives the stay cord to move outwards, the toothed plate and the rack complete the clamping and fixing, and when the user needs to draw out the extension plate, the user can turn the extension plate upwards through the shaft seat structure at the top end, and then the drawing operation can be completed, in the utility model, because of the arranged draw bar device, the structural stability of the draw bar is improved, the unstable structure is avoided after drawing, and the extension plate therein can extend the drawing length, the operation of the user is convenient.

Drawings

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

fig. 2 is a schematic structural view of the middle pull rod device of the present invention when pulled out;

fig. 3 is a schematic structural view of the middle pull rod device of the present invention;

fig. 4 is a schematic cross-sectional view of the middle pull rod device of the present invention;

FIG. 5 is a schematic view of the structure at A of FIG. 4;

fig. 6 is a schematic cross-sectional view of the frame.

In the figure: 1. a device body; 2. a box body; 3. a pull rod part; 31. a housing; 32. a hole groove; 4. fixing the bolt; 5. a pull rod device; 51. a frame; 511. a rack; 52. a square hole; 53. rotating the groove; 54. an extension plate; 55. a handle device; 551. a handle; 552. lifting a rod; 553. pulling a rope; 554. a rotating wheel; 555. a fixed mount; 556. a spring; 56. a toothed plate.

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 to 6, in an embodiment of the present invention, a wear-resistant draw-bar box with a draw bar capable of being folded and extracted includes a device body 1, the device body 1 includes a box body 2, a draw-bar portion 3 and a draw-bar device 5, the draw-bar portion 3 is disposed on the back of the box body 2, the draw-bar device 5 is disposed inside the draw-bar portion 3, the draw-bar portion 3 includes a housing 31 and a hole groove 32, the hole groove 32 is disposed inside the housing 31, the draw-bar device 5 is disposed inside the hole groove 32, the draw-bar device 5 includes a frame 51, a square hole 52, a rotary groove 53 and a handle device 55, the square hole 52 is disposed on the top end of the frame 51, the rotary groove 53 is disposed in the middle of the front end surface of the frame 51, an extension plate 54 is movably fixed in the rotary groove 53, the handle device 55 includes a handle 551, a handle 552, a draw-cord 553 and a fixing frame 555, the bottom end of the handle 551 is provided with a handle 552, the end of the handle 552 is fixedly connected with the top end of the draw-cord 552, the end of stay cord 553 runs through mount 555, and mount 555 sets up in the outside surface of frame 51, and the one end outside of mount 555 is provided with spring 556, and the other end and the pinion rack 56 welded fastening of spring 556, and pinion rack 56 and the rack 511 card are established fixed rack 511 and are set up in the both ends inside surface of frame 51, and square hole 52 is run through at the middle part of handle 551, fixes through fixing bolt 4 between pull rod portion 3 and the box 2.

Two groups of pulling ropes 553 are arranged in bilateral symmetry, the middle part of each group of pulling ropes 553 is fixedly contacted with the rotating wheel 554, one end of each group of rotating wheel 554 is fixedly connected with one side of the frame 51, the groups of pulling ropes 553 can be used for retracting the toothed plate 56 inwards to extrude the spring 556, and then a user can loosen the pulling ropes 553, and the toothed plate 56 and the toothed plate 511 are clamped and fixed; the diameter of the handle 551 is smaller than that of the pull rope 553 at the bottom end, the handle 551 is convenient for a user to pull, and the pull rope 553 is convenient for fixing; the middle part of the tail end of the pulling rope 553 penetrates through the middle part of the spring 556, and after the pulling rope 553 receives the traction force of the upper end, the tooth plate 56 can be retracted inwards, so that the handle device 55 can be fixed with the designated height and length; the fixing bolts 4 are arranged in multiple groups, the fixing bolts 4 are distributed equidistantly and symmetrically, the multiple groups of fixing bolts 4 improve the structural stability of the utility model, and the fixing effect of the pull rod part 3 and the box body 2 is dispersed; the top end of the extension plate 54 is provided with a shaft seat structure, and the shaft seat structure is movably fixed with the rotary groove 53, so that deflection is convenient.

The utility model discloses a theory of operation is: through the pull rod portion 3 and the pull rod device 5 that set up, the user draws the traction with handle 551 to the lift in the pull rod device 5 at first, and when drawing, pulling stay cord 553 moves to the top, and then pinion rack 56 can move to the inboard, and then compression spring 556, with pull rod device 5 outside stay cord 553 to appointed length and height, later loosen handle 551, after receiving the rebound effect of spring 556, pinion rack 56 can the outside earlier move, and drive stay cord 553 to the outside and move, pinion rack 56 accomplishes the card with rack 511 and establishes fixedly, and when the user need take out extension board 54, can pull out pull rod device 5 after completely, upwards overturn extension board 54 through the axle bed structure on top, can accomplish tensile operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wear-resisting draw-bar box that pull rod is collapsible to be taken out, includes device body (1), including box (2), pull rod portion (3) and draw bar device (5) in device body (1), pull rod portion (3) set up in the back of box (2), draw bar device (5) set up in the inside of pull rod portion (3), its characterized in that: the pull rod part (3) comprises a shell (31) and a hole groove (32), the hole groove (32) is arranged in the shell (31), the pull rod device (5) is arranged in the hole groove (32), the pull rod device (5) comprises a frame (51), a square hole (52), a rotary groove (53) and a handle device (55), the square hole (52) is arranged at the top end of the frame (51), the rotary groove (53) is arranged in the middle of the front end surface of the frame (51), an extension plate (54) is movably fixed in the rotary groove (53), the handle device (55) comprises a handle (551), a lifting rod (552), a pull rope (553) and a fixing frame (555), the bottom end of the handle (551) is provided with the lifting rod (552), the tail end of the lifting rod (552) is fixedly connected with the top end of the pull rope (553), and the tail end of the pull rope (553) penetrates through the fixing frame (555), the utility model discloses a rack, including mount (555), rack (511), pinion rack (511), rack (551), square hole (52) are run through in the middle part of handle (551), fix through fixing bolt (4) between pull rod portion (3) and box (2), the one end outside of mount (555) is provided with spring (556), the other end and pinion rack (56) welded fastening of spring (556), pinion rack (56) and rack (511) card are established fixedly rack (511) set up in the both ends inboard surface of frame (51), square hole (52) are run through in the middle part of handle (551), fix through fixing bolt (4) between pull rod portion (3) and box (2).

2. A wear-resistant draw-bar box with a draw-bar that can be folded out according to claim 1, characterized in that: the pull ropes (553) are symmetrically arranged in left and right two groups, the middle of each group of pull ropes (553) is fixedly contacted with the rotating wheel (554), and one end of each group of rotating wheel (554) is fixedly connected with one side of the frame (51).

3. A wear-resistant draw-bar box with a draw-bar that can be folded out according to claim 1, characterized in that: the diameter of the handle (551) is smaller than that of the pull rope (553) at the bottom end.

4. A wear-resistant draw-bar box with a draw-bar that can be folded out according to claim 1, characterized in that: the middle part of the tail end of the pull rope (553) penetrates through the middle part of the spring (556).

5. A wear-resistant draw-bar box with a draw-bar that can be folded out according to claim 1, characterized in that: the fixing bolts (4) are arranged in multiple groups, and the fixing bolts (4) are symmetrically distributed at equal intervals.

6. A wear-resistant draw-bar box with a draw-bar that can be folded out according to claim 1, characterized in that: the top end of the extension plate (54) is provided with a shaft seat structure, and the shaft seat structure is movably fixed with the rotary groove (53).