CN220777631U - Single pull rod structure for case - Google Patents
Single pull rod structure for case Download PDFInfo
- Publication number
- CN220777631U CN220777631U CN202322759058.1U CN202322759058U CN220777631U CN 220777631 U CN220777631 U CN 220777631U CN 202322759058 U CN202322759058 U CN 202322759058U CN 220777631 U CN220777631 U CN 220777631U
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- China
- Prior art keywords
- pull rod
- rod pipe
- positioning pin
- movable core
- pipe
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a single pull rod structure for a case, which comprises a pull rod handle, wherein the pull rod handle is connected with a first pull rod pipe, a second pull rod pipe is sleeved outside the first pull rod pipe, a pull ring is arranged at the upper end of the first pull rod pipe, the pull ring is connected with a movable rod arranged in the first pull rod pipe, a return spring is arranged between the movable rod and the first pull rod pipe, the end part of the movable rod is connected with a connecting rod, the end part of the connecting rod is connected with a first locking mechanism fixed at the end part of the first pull rod pipe, and the first locking mechanism controls the opening and closing state of the first locking mechanism by the connecting rod to lock the relative position between the first pull rod pipe and the second pull rod pipe. In the single pull rod structure for the case, the pull ring is connected with the locking mechanism through the movable rod and the connecting rod, and the pull ring can be pulled to control the locking mechanism to release or lock the relative position between the first pull rod pipe and the second pull rod pipe, so that the pull rod can be rapidly controlled to stretch and retract, and the use is more convenient.
Description
Technical Field
The utility model relates to a luggage accessory structure, in particular to a single pull rod structure for a luggage.
Background
The single-pull rod suitcase is attractive in appearance, so that the internal space of the suitcase is saved, and the single-pull rod suitcase is popular among people. In the prior art, in the single pull rod structure of the luggage, a push button is adopted to operate a telescopic switch of a pull rod pipe, in the actual use process, the luggage is pulled by one hand and the telescopic push button is pressed by fingers, the operation is difficult, the other hand is usually needed for assistance, and the use is inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a single pull rod structure for bags, which can rapidly control the pull rod to stretch and retract and is more convenient to use.
In order to solve the technical problems, the single pull rod structure for the luggage comprises a pull rod handle, wherein the pull rod handle is connected with a first pull rod pipe, a second pull rod pipe is sleeved outside the first pull rod pipe, a pull ring is arranged at the upper end of the first pull rod pipe, the pull ring is connected with a movable rod arranged in the first pull rod pipe, a reset spring is arranged between the movable rod and the first pull rod pipe, the end part of the movable rod is connected with a connecting rod, the end part of the connecting rod is connected with a first locking mechanism fixed at the end part of the first pull rod pipe, and the first locking mechanism controls the switching state of the first locking mechanism by the connecting rod to lock the relative position between the first pull rod pipe and the second pull rod pipe.
The first locking mechanism comprises a first base fixed at the end part of the first pull rod pipe, a first movable core capable of longitudinally moving and a first positioning pin capable of transversely moving are arranged in the first base, the first movable core is connected with the connecting rod, passes through the first positioning pin, the first movable core and the first positioning pin drive the first positioning pin to transversely move when the first movable core longitudinally moves through the mutual matching of inclined planes, and a first positioning hole matched with the first positioning pin is formed in the second pull rod pipe. The first movable core and the first positioning pin are arranged in a crossed mode and matched through an inclined plane, so that the movement structure is more stable, and faults are not easy to occur.
The second pull rod pipe is sleeved with a third pull rod pipe, the end part of the second pull rod pipe is provided with a second locking mechanism, the second locking mechanism comprises a second base fixed on the end part of the second pull rod pipe, a second movable core capable of longitudinally moving and a second positioning pin capable of transversely moving are arranged in the second base, the second movable core penetrates through the second positioning pin, a trapezoid concave cavity is formed in the side face of the second movable core, a conical bump corresponding to the trapezoid concave cavity is arranged in the second positioning pin, the second positioning pin is driven to transversely move when the second movable core longitudinally moves through the cooperation of the trapezoid concave cavity and the conical bump, and a second positioning hole matched with the second positioning pin is formed in the third pull rod pipe. The second movable core is correspondingly matched with the conical protruding blocks in the second positioning pin through the trapezoidal concave cavities, so that the second positioning pin can be controlled to extend or retract by the longitudinal movement of the second movable core, and the function of the second locking mechanism is simply realized.
The locating plate is arranged above the second base, the upper portion of the second movable core penetrates through the locating plate, the top end of the second movable core is provided with a limiting end plate located above the locating plate, and the side face of the second movable core is provided with a limiting protruding block located below the locating plate. When the pull rod is condensed, the first base pushes the limiting end plate of the second movable core downwards to enable the limiting end plate to contact the positioning plate, and the trapezoid concave cavity of the second movable core pushes the second positioning pin to retract, so that unlocking of the second locking mechanism is achieved.
And a third positioning pin column which can transversely move is further arranged in the second base, and a conical projection which is correspondingly matched with the trapezoid concave cavity is arranged in the third positioning pin column, so that the locking capacity of the second locking mechanism can be further improved.
The top of the third pull rod pipe is connected with an upper mounting frame, and the bottom of the third pull rod pipe is provided with a lower mounting frame, so that the pull rod can be conveniently positioned and mounted on the luggage.
The beneficial effects of the utility model are as follows: in the single pull rod structure for the case, the pull ring is connected with the locking mechanism through the movable rod and the connecting rod, and the pull ring can be pulled to control the locking mechanism to release or lock the relative position between the first pull rod pipe and the second pull rod pipe, so that the pull rod can be rapidly controlled to stretch and retract, and the use is more convenient.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A;
fig. 4 is an enlarged view of the structure at B in fig. 2.
Detailed Description
Referring to fig. 1 and 2, the single pull rod structure for a case of the present utility model includes a pull rod handle 1, the pull rod handle 1 is connected with a first pull rod tube 2, a second pull rod tube 3 is sleeved outside the first pull rod tube 2, a pull ring 4 is installed at the upper end of the first pull rod tube 1, the pull ring 4 is connected with a movable rod 5 disposed in the first pull rod tube 2, a return spring 6 is disposed between the movable rod 5 and the first pull rod tube 2, the end of the movable rod 5 is connected with a connecting rod 7, the end of the connecting rod 7 is connected with a first locking mechanism 8 fixed at the end of the first pull rod tube 2, and the first locking mechanism 8 is controlled by the connecting rod 7 to lock the relative position between the first pull rod tube 2 and the second pull rod tube 3.
Referring to fig. 3, in the present embodiment, the first locking mechanism 8 includes a first base 81 fixed to an end portion of the first pull rod tube 2, a first movable core 82 capable of moving longitudinally and a first positioning pin 83 capable of moving transversely are disposed in the first base 81, the first movable core 82 is connected with the connecting rod 7, the first movable core 82 passes through the first positioning pin 83, and when the first movable core 82 moves longitudinally through the cooperation of inclined surfaces, the first positioning pin 83 is driven to move transversely, and the second pull rod tube 3 is provided with a first positioning hole 31 cooperating with the first positioning pin 83.
Referring to fig. 4, a third pull rod pipe 9 is sleeved outside the second pull rod pipe 3, a second locking mechanism 10 is installed at the end of the second pull rod pipe 3, the second locking mechanism 10 comprises a second base 101 fixed at the end of the second pull rod pipe 3, a second movable core 102 capable of moving longitudinally and a second positioning pin 103 capable of moving transversely are arranged in the second base 101, the second movable core 102 penetrates through the second positioning pin 103, a trapezoid cavity 1021 is arranged on the side surface of the second movable core 102, a conical bump 1031 corresponding to the trapezoid cavity 1021 is arranged in the second positioning pin 103, the second movable core 102 is driven to move transversely when being matched with the conical bump 1031 through the trapezoid cavity 1021, and a second positioning hole 91 matched with the second positioning pin 103 is formed in the third pull rod pipe 9. The positioning plate 11 is arranged above the second base 101, the upper portion of the second moving core 102 penetrates through the positioning plate 11, a limiting end plate 1021 positioned above the positioning plate 11 is arranged at the top end of the second moving core 102, and limiting protruding blocks 1022 positioned below the positioning plate 11 are arranged on the side face of the second moving core 102.
A third positioning pin 104 capable of moving transversely is further arranged in the second base 101, and a conical projection correspondingly matched with the trapezoidal concave cavity is arranged in the third positioning pin 104. The top of the third pull rod pipe 9 is connected with an upper mounting frame 12, and the bottom of the third pull rod pipe 9 is provided with a lower mounting frame 13.
The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are within the scope of the present utility model.
Claims (6)
1. The utility model provides a case and bag is with single pull rod structure, includes the pull rod handle, and the pull rod handle is connected with first pull rod pipe, and first pull rod pipe overcoat is equipped with second pull rod pipe, its characterized in that: the pull ring is installed to first pull rod pipe upper end, and this pull ring is connected with the movable rod that sets up in first pull rod intraductal, is provided with reset spring between this movable rod and the first pull rod pipe, and movable rod end connection has the connecting rod, and this connecting rod end connection has the first locking mechanical system of fixing at first pull rod pipe end, and this first locking mechanical system makes the relative position locking between first pull rod pipe and the second pull rod pipe by its on-off state of connecting rod control.
2. The single draw bar structure for bags according to claim 1, wherein: the first locking mechanism comprises a first base fixed at the end part of the first pull rod pipe, a first movable core capable of longitudinally moving and a first positioning pin capable of transversely moving are arranged in the first base, the first movable core is connected with the connecting rod, passes through the first positioning pin, the first movable core and the first positioning pin drive the first positioning pin to transversely move when the first movable core longitudinally moves through the mutual matching of inclined planes, and a first positioning hole matched with the first positioning pin is formed in the second pull rod pipe.
3. The single draw bar structure for bags according to claim 2, wherein: the second pull rod pipe is sleeved with a third pull rod pipe, the end part of the second pull rod pipe is provided with a second locking mechanism, the second locking mechanism comprises a second base fixed on the end part of the second pull rod pipe, a second movable core capable of longitudinally moving and a second positioning pin capable of transversely moving are arranged in the second base, the second movable core penetrates through the second positioning pin, a trapezoid concave cavity is formed in the side face of the second movable core, a conical bump corresponding to the trapezoid concave cavity is arranged in the second positioning pin, the second positioning pin is driven to transversely move when the second movable core longitudinally moves through the cooperation of the trapezoid concave cavity and the conical bump, and a second positioning hole matched with the second positioning pin is formed in the third pull rod pipe.
4. A single draw bar structure for luggage according to claim 3, wherein: the locating plate is arranged above the second base, the upper portion of the second movable core penetrates through the locating plate, the top end of the second movable core is provided with a limiting end plate located above the locating plate, and the side face of the second movable core is provided with a limiting protruding block located below the locating plate.
5. The single draw bar structure for bags according to claim 4, wherein: and a third positioning pin column which can transversely move is arranged in the second base, and a conical projection which is correspondingly matched with the trapezoidal concave cavity is arranged in the third positioning pin column.
6. The single draw bar structure for bags according to claim 5, wherein: the top of the third pull rod pipe is connected with an upper mounting frame, and the bottom of the third pull rod pipe is provided with a lower mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322759058.1U CN220777631U (en) | 2023-10-16 | 2023-10-16 | Single pull rod structure for case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322759058.1U CN220777631U (en) | 2023-10-16 | 2023-10-16 | Single pull rod structure for case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220777631U true CN220777631U (en) | 2024-04-16 |
Family
ID=90657105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322759058.1U Active CN220777631U (en) | 2023-10-16 | 2023-10-16 | Single pull rod structure for case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220777631U (en) |
-
2023
- 2023-10-16 CN CN202322759058.1U patent/CN220777631U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |