CN216316086U

CN216316086U - Draw-bar box convenient to change pull rod

Info

Publication number: CN216316086U
Application number: CN202122997680.7U
Authority: CN
Inventors: 何小波
Original assignee: Tibet Zhongxing Beidou Cultural Creativity Co ltd
Current assignee: Tibet Zhongxing Beidou Cultural Creativity Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-19
Anticipated expiration: 2031-12-02

Abstract

The utility model provides a draw-bar box convenient for replacing a draw bar, which relates to the technical field of bags and comprises a main body mechanism, wherein the main body mechanism comprises a box body, the back surface of the box body is provided with a placing groove, a draw bar installation box is arranged in the placing groove, the outer wall of the draw bar installation box is movably connected with a rotating plate, a movable groove is arranged in the draw bar installation box, two sides of the movable groove are provided with limit blocks, the inner wall of the movable groove is rotatably connected with a rotating block, one side of the rotating block is provided with two volute spiral torsion springs, and the number of the volute spiral torsion springs is two. According to the utility model, the rotating plate is twisted to drive the rotating block to rotate, so that the volute spiral torsion spring rotates from the middle part, the limiting block is pulled to be separated from the limiting groove, a user can separate the pull rod installation box from the box body, and the user can conveniently replace the pull rod installed in the pull rod installation box.

Description

Draw-bar box convenient to change pull rod

Technical Field

The utility model relates to the technical field of bags and suitcases, in particular to a draw-bar box with a draw bar convenient to replace.

Background

The draw-bar box is a luggage case with draw bars and rollers, which is widely used because of the convenient use, and meanwhile, the draw-bar box is also provided with a draw bar because the case is provided with a single draw bar and a double draw bar, and the pipe of the draw bar is also divided into a square pipe and a round pipe, so that the luggage case is convenient to drag when walking, and the burden is greatly reduced.

However, in the prior art, when the existing draw-bar box is used, the user can break the draw bar by pulling the draw-bar box through the draw bar, but the draw bar of the draw-bar box is usually fixedly mounted on the back of the draw-bar box, so that the user is not easy to separate the draw-bar mounting box from the box body when the draw bar is replaced by maintaining the draw-bar box, thereby affecting the subsequent use of the user.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the defects in the prior art, the rotating plate is twisted to drive the rotating block to rotate, and then the volute spiral torsion spring is rotated from the middle part, so that the limiting block is pulled to separate the limiting block from the limiting groove, and a user can separate the pull rod installation box from the box body, thereby facilitating the user to replace the pull rod installed in the pull rod installation box.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a draw-bar box convenient to change pull rod, includes main part mechanism, main part mechanism includes the box, the back of box is provided with the standing groove, the inside of standing groove is provided with the pull rod install bin, the outer wall swing joint of pull rod install bin has the rotor plate, the inside of pull rod install bin is provided with the activity groove, activity groove both sides are provided with the stopper, the inner wall rotation of activity groove is connected with the turning block, one side of turning block is provided with the spiral torsional spring, the quantity of spiral torsional spring is provided with two, the one end and the turning block of spiral torsional spring are connected, the other end of spiral torsional spring and one side fixed connection of stopper, the one end and the rotor plate fixed connection of turning block.

As a preferred embodiment, a hinge is connected below the pull rod installation box, the bottom end of the hinge is connected with the box body, limiting grooves are arranged on two sides of the placement groove, and the inner walls of the limiting grooves are movably connected with the outer walls of the limiting blocks.

The technical effect of adopting the further scheme is as follows: the pull rod installation box is rotatably separated from the box body through the hinge, and one end of the pull rod installation box is kept connected with the box body, so that the pull rod installation box is connected with the box body more quickly after the pull rod is replaced.

As a preferred embodiment, the upper portion of the pull rod installation box is provided with a storage groove, the inside of the storage groove is provided with a main rod, a fixed groove is arranged below the main rod, the inside of the fixed groove is movably connected with a fixed block, the inside of the fixed block is connected with a connecting plate, and the top of the connecting plate is connected with the bottom end of the main rod.

The technical effect of adopting the further scheme is as follows: the fixing block is pulled out from the inside of the fixing groove, so that the connecting plate is separated from the fixing block, and a user can conveniently pull the main rod out from the inside of the pull rod installation box and perform subsequent replacement.

As a preferred embodiment, rollers are movably mounted at four corners of the bottom surface of the box body.

The technical effect of adopting the further scheme is as follows: the utility model is convenient to slide better.

As a preferred embodiment, the top of the main rod is movably connected with a retractable rod, and the top of the retractable rod is fixedly connected with a handle.

The technical effect of adopting the further scheme is as follows: the handle can make the user better pull and hold the utility model.

As a preferred embodiment, a compression spring is fixedly connected to one side of the connecting plate.

The technical effect of adopting the further scheme is as follows: the elastic deformation of the compression spring plate is utilized to enable the connecting plate to be tightly connected with the fixing block.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, through the arrangement of the rotating plate and the volute spiral torsion spring, when the pull rod is broken in the use process and needs to be replaced, a user can drive the rotating block to rotate by twisting the rotating plate, so that the volute spiral torsion spring rotates from the middle part, the limiting block is pulled to be separated from the limiting groove, the pull rod installation box can be separated from the box body by the user, and therefore the user can conveniently replace the pull rod installed in the pull rod installation box.

2. According to the pull rod installation box, the fixed block can be pulled out from the inside of the fixed groove when the main rod is replaced through the arrangement of the fixed block and the connecting plate, so that the connecting plate is separated from the fixed block, a user can conveniently pull the main rod out of the inside of the pull rod installation box and perform subsequent replacement, the connecting plate is extruded to be reconnected with the fixed block when replacement and installation are performed, the installation stability of the main rod is guaranteed, the operation is simple, and the user can rapidly replace the pull rod.

Drawings

FIG. 1 is a schematic perspective view of a draw-bar box with a draw-bar easy to replace according to the present invention;

FIG. 2 is a cross-sectional view of the interior of a draw-bar box according to the present invention, with the draw-bar being easily replaced;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 of the draw-bar box of the present invention for facilitating replacement of the draw-bar;

fig. 4 is a schematic rear view of a drawbar installation box of a drawbar box convenient for replacing a drawbar according to the present invention.

Illustration of the drawings:

1. a main body mechanism; 11. a box body; 12. a roller; 13. a placement groove; 14. a pull rod installation box; 141. a rotating plate; 142. a limiting groove; 143. a limiting block; 144. a movable groove; 145. a wrap torsion spring; 146. rotating the block; 15. a hinge; 16. a receiving groove; 161. a main rod; 162. a retracting lever; 163. a handle; 164. a fixed block; 165. compressing the elastic sheet; 166. a connecting plate; 167. and fixing the grooves.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-3, the present invention provides a technical solution: a draw-bar box convenient for replacing a draw bar comprises a main body mechanism 1, the main body mechanism 1 comprises a box body 11, a placing groove 13 is arranged on the back of the box body 11, idler wheels 12 are movably arranged at four corners of the bottom surface of the box body 11, a draw-bar installation box 14 is arranged inside the placing groove 13, a rotating plate 141 is movably connected to the outer wall of the draw-bar installation box 14, a movable groove 144 is arranged inside the draw-bar installation box 14, limit blocks 143 are arranged on two sides of the movable groove 144, a rotating block 146 is rotatably connected to the inner wall of the movable groove 144, a scroll torsion spring 145 is arranged on one side of the rotating block 146, two scroll torsion springs 145 are arranged, one end of the scroll torsion spring 145 is connected with the rotating block 146, the other end of the scroll torsion spring 145 is fixedly connected with one side of the limit block 143, one end of the rotating block 146 is fixedly connected with the rotating plate 141, a hinge 15 is connected below the draw-bar installation box 14, and the bottom end of the hinge 15 is connected with the box body 11, the two sides of the placing groove 13 are provided with a limiting groove 142, and the inner wall of the limiting groove 142 is movably connected with the outer wall of the limiting block 143.

In this embodiment, through the arrangement of the rotating plate 141 and the spiral torsion spring 145, when the pull rod is broken in the use process and needs to be replaced, a user can drive the rotating block 146 to rotate by twisting the rotating plate 141, and further rotate the spiral torsion spring 145 from the middle, so that the limiting block 143 is pulled to separate the limiting block 143 from the limiting groove 142, the user can separate the pull rod installation box 14 from the box body 11, and the user can replace the pull rod installed in the pull rod installation box 14 conveniently.

Example 2

As shown in fig. 1 to 4, the upper portion of the pull rod installation box 14 is provided with an accommodating groove 16, a main rod 161 is installed inside the accommodating groove 16, a fixing groove 167 is arranged below the main rod 161, a fixing block 164 is movably connected inside the fixing groove 167, a connecting plate 166 is connected inside the fixing block 164, the top of the connecting plate 166 is connected with the bottom end of the main rod 161, a contraction rod 162 is movably connected with the top of the main rod 161, a handle 163 is fixedly connected with the top of the contraction rod 162, and a compression spring plate 165 is fixedly connected with one side of the connecting plate 166.

In this embodiment, by the arrangement of the fixing block 164 and the connecting plate 166, when the main rod 161 is replaced, the fixing block 164 can be pulled out from the inside of the fixing groove 167, and the connecting plate 166 is separated from the fixing block 164, so that a user can conveniently pull the main rod 161 out from the inside of the tie rod installation box 14 and perform subsequent replacement, and the connecting plate 166 is pressed to be reconnected with the fixing block 164 during replacement and installation, thereby ensuring the installation stability of the main rod 161, and the operation is simple, so that the user can quickly replace the tie rod.

The working principle is as follows:

as shown in fig. 1-4, when the pull rod is broken and needs to be replaced during the use of the present invention, a user can rotate the rotating plate 141 by twisting, so as to drive the rotating block 146 to rotate, further rotate the spiral torsion spring 145 from the middle, and further pull the limiting block 143 to separate the limiting block 143 from the limiting groove 142, so that the user can separate the pull rod installation box 14 from the box body 11, thereby facilitating the user to replace the pull rod installed in the pull rod installation box 14, in the present invention, when the main rod 161 is replaced, the fixing block 164 can be pulled out from the inside of the fixing groove 167, further the connecting plate 166 is separated from the fixing block 164, so that the user can conveniently pull the main rod 161 out from the inside of the pull rod installation box 14 for subsequent replacement, and when the replacement and installation are performed, the connecting plate 166 is reconnected with the fixing block 164 by squeezing, thereby ensuring the installation stability of the main rod 161, the simple operation makes the user can carry out the pull rod change fast.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a draw-bar box convenient to change pull rod, includes main part mechanism (1), its characterized in that: the main body mechanism (1) comprises a box body (11), a placing groove (13) is arranged on the back surface of the box body (11), a pull rod installation box (14) is arranged in the placing groove (13), the outer wall of the pull rod installation box (14) is movably connected with a rotating plate (141), a movable groove (144) is arranged in the pull rod installation box (14), two sides of the movable groove (144) are provided with limit blocks (143), the inner wall of the movable groove (144) is rotationally connected with a rotating block (146), one side of the rotating block (146) is provided with a scroll torsion spring (145), the number of the scroll torsion springs (145) is two, one end of each scroll torsion spring (145) is connected with the rotating block (146), the other end of the scroll torsion spring (145) is fixedly connected with one side of the limiting block (143), and one end of the rotating block (146) is fixedly connected with the rotating plate (141).

2. The draw-bar box convenient for replacing the draw bar of claim 1, wherein: the pull rod installing box is characterized in that a hinge (15) is connected to the lower portion of the pull rod installing box (14), the bottom end of the hinge (15) is connected with the box body (11), limiting grooves (142) are formed in two sides of the placing groove (13), and the inner walls of the limiting grooves (142) are movably connected with the outer walls of the limiting blocks (143).

3. The draw-bar box convenient for replacing the draw bar of claim 1, wherein: the upper portion of pull rod install bin (14) is provided with accomodates groove (16), the internally mounted of accomodating groove (16) has mobile jib (161), the below of mobile jib (161) is provided with fixed slot (167), the inside swing joint of fixed slot (167) has fixed block (164), the internal connection of fixed block (164) has connecting plate (166), the top of connecting plate (166) is connected with the bottom of mobile jib (161).

4. The draw-bar box convenient for replacing the draw bar of claim 1, wherein: four corners of the bottom surface of the box body (11) are movably provided with rollers (12).

5. The draw-bar box convenient for replacing the draw bar of claim 3, wherein: the top of mobile jib (161) swing joint has shrink pole (162), the top fixedly connected with handle (163) of shrink pole (162).

6. The draw-bar box convenient for replacing the draw bar of claim 3, wherein: one side of the connecting plate (166) is fixedly connected with a compression spring plate (165).