CN212852764U - Crawler-type suitcase - Google Patents
Crawler-type suitcase Download PDFInfo
- Publication number
- CN212852764U CN212852764U CN202022142610.9U CN202022142610U CN212852764U CN 212852764 U CN212852764 U CN 212852764U CN 202022142610 U CN202022142610 U CN 202022142610U CN 212852764 U CN212852764 U CN 212852764U
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- CN
- China
- Prior art keywords
- crawler belt
- groove
- pull rod
- support plate
- rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a crawler-type luggage case, which comprises a case body, universal wheels and a pull rod, wherein the universal wheels are arranged at the bottom of the case body, the pull rod is arranged at the upper part of the case body, the right side of the case body is provided with a clamping groove, and two connecting rods are vertically arranged in the clamping groove; the upper end of the connecting rod is rotatably connected with an upper support plate, the lower end of the connecting rod is rotatably connected with a lower support plate, and the other ends of the upper support plate and the lower support plate are provided with track shoes; the length of the upper support plate is greater than that of the lower support plate, so that the track shoe is obliquely arranged; the crawler belt comprises a crawler belt plate, a crawler belt wheel, a crawler belt and a crawler belt, wherein the crawler belt plate is provided with a crawler belt groove, a crawler belt shaft is oppositely arranged in the crawler belt groove, the crawler belt wheel is rotatably arranged on the crawler belt shaft, and the crawler belt is connected with the crawler belt wheel in a matching way; the device is convenient to drag on the stairs through the pull rod matched with the crawler belt, so that labor is saved; the pull rod box is used for solving the problem that in the prior art, when the pull rod box goes upstairs or steps, the pull rod box still needs manpower to be lifted, and the labor is wasted.
Description
Technical Field
The utility model relates to a suitcase technical field, concretely relates to crawler-type suitcase.
Background
The draw-bar box is a main object carrying tool for people to go out and travel, and can enable people to easily carry a large number of articles for daily use; the walking wheels are arranged at the bottom of the common draw-bar box, and the draw-bar box is provided with the telescopic draw bar, so that the draw-bar box can conveniently walk on the flat ground, but when the draw-bar box meets a stair or a step, the draw-bar box still needs to be lifted manually, so that the draw-bar box loses the effects of portability and labor saving; the caster is only suitable for walking and rolling on flat ground, and is inconvenient to go upstairs and downstairs, although an elevator with a certain gradient is arranged for passengers to conveniently drag luggage to replace stairs in many airports and stations, the caster is difficult and inconvenient to go upstairs and downstairs by carrying a heavy-load traveling case in hands in vast residential areas and office buildings without the elevator; especially for the girl students in some colleges and universities, the students' dormitories do not have elevators; and every time the study is returned school, the thing of taking is very much, can only be portable going up and down stairs, and it is great to some part lady's classmates' degree of difficulty, under this kind of technical background, inventor design a crawler-type suitcase, this device is dragged on stairs through the pull rod cooperation track convenience, compares in current manpower and moves, comparatively uses manpower sparingly.
Disclosure of Invention
The utility model aims to provide a crawler-type luggage case, which is convenient to drag on stairs through a pull rod matched with a crawler, thereby saving manpower; the pull rod box is used for solving the problem that in the prior art, when the pull rod box goes upstairs or steps, the pull rod box still needs manpower to be lifted, and the labor is wasted.
The utility model adopts the technical scheme as follows: a crawler-type luggage case comprises a case body, universal wheels and a pull rod, wherein the universal wheels are arranged at the bottom of the case body, the pull rod is arranged at the upper part of the case body, a clamping groove is formed in the right side of the case body, and two connecting rods are vertically arranged in the clamping groove; the upper end of the connecting rod is rotatably connected with an upper support plate, the lower end of the connecting rod is rotatably connected with a lower support plate, and the other ends of the upper support plate and the lower support plate are provided with track shoes; the length of the upper support plate is greater than that of the lower support plate, so that the track shoe is obliquely arranged; the crawler belt comprises a crawler belt plate, a crawler belt wheel, a crawler belt and a crawler belt, wherein the crawler belt plate is provided with a crawler belt groove, a crawler belt shaft is oppositely arranged in the crawler belt groove, the crawler belt wheel is rotatably arranged on the crawler belt shaft, and the crawler belt is connected with the crawler belt wheel in a matching way; the track may be driven by a motor.
Furthermore, the left end and the right end of the lower side of the clamping groove are oppositely provided with a top bead groove, and the top beads are slidably arranged in the top bead grooves; the clamping ring is in threaded fit with the upper end of the bead ejecting groove, and the upper end of the bead ejecting groove exceeds the upper surface of the clamping ring; and a compression spring is arranged between the bottom of the top bead groove and the top bead.
Optionally, the pull rod is of a telescopic rod structure; a pull rod necking groove is formed in the upper portion of the box body, the pull rod is in sliding fit with the pull rod necking groove, and an auxiliary rod accommodating groove is formed between the pull rod necking grooves; the end part of the auxiliary rod of the U-shaped structure is provided with a ring sleeve, and the auxiliary rod is rotatably connected with the upper end of the pull rod through the ring sleeve; the ring sleeve is provided with an adjusting groove, and the upper end of the pull rod is provided with a convex column matched with the adjusting groove; the adjusting range of the adjusting groove is 120 degrees; the auxiliary rod is parallel to the pull rod when rotating to the lower limit of the adjusting groove, and the included angle between the auxiliary rod and the pull rod is 120 degrees when the auxiliary rod rotates to the lower limit of the adjusting groove.
The beneficial effects of the utility model reside in that: the device is convenient to drag on the stairs through the pull rod matched with the crawler belt, so that labor is saved; the pull rod box is used for solving the problem that in the prior art, when the pull rod box goes upstairs or steps, the pull rod box still needs manpower to be lifted, and the labor is wasted.
In addition, the invention also has the following characteristics:
1. in this application, both ends are opened relatively about the downside of draw-in groove and are equipped with a pearl groove, and a pearl slidable mounting is in a pearl inslot, with the track along the rotatory back of opening of connecting rod, and a pearl can block down the extension board, reduces the possibility of gyration.
2. The ring sleeve is provided with an adjusting groove, and the upper end of the pull rod is provided with a convex column matched with the adjusting groove; the adjusting range of the adjusting groove is 120 degrees, the included angle between the auxiliary rod and the pull rod when the auxiliary rod rotates to the lower limit of the adjusting groove is 120 degrees, and the auxiliary rod is convenient to pull upstairs.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the structure of the slot of the present invention.
Fig. 3 is a schematic structural view of the track shoe of the present invention.
FIG. 4 is a schematic view of the position of the bead-ejecting groove.
Fig. 5 is a schematic view of the position of the connecting rod.
FIG. 6 is a schematic view showing the positions of the draw bar notch groove and the accommodating groove.
Fig. 7 is a schematic view of the structure of the auxiliary rod.
Fig. 8 is a schematic view of the auxiliary bar bending.
Fig. 9 is a schematic view of the stair climbing effect.
In the figure: the device comprises a box body 1, universal wheels 2, a pull rod 3, a clamping groove 4, a connecting rod 5, an upper supporting plate 6, a lower supporting plate 7, a track shoe 8, a track wheel groove 9, a track wheel shaft 10, a track wheel 11, a track 12, a bead ejecting groove 13, a bead ejecting groove 14, a clamping ring 15, a compression spring 16, a pull rod necking groove 17, an accommodating groove 18, an auxiliary rod 19, a ring sleeve 20, an adjusting groove 21 and a convex column 22.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in further detail with reference to fig. 1 to 9, and a crawler type luggage case has the following principle structure.
A crawler-type luggage case comprises a case body 1, universal wheels 2 and a pull rod 3, wherein the universal wheels 2 are arranged at the bottom 1 of the case body and used for supporting the whole case body; meanwhile, when the device is in a plane, the device is convenient to move; the pull rod 3 is arranged at the upper part of the box body 1; a clamping groove 4 is formed in the right side of the box body 1, and two connecting rods 5 are vertically arranged in the clamping groove 4; the upper end of the connecting rod 5 is rotatably connected with an upper support plate 6, the lower end of the connecting rod 5 is rotatably connected with a lower support plate 7, and the upper support plate 6 and the lower support plate 7 are tightly connected with the pull rod 3 and are not easy to change; the other ends of the upper support plate 6 and the lower support plate 7 are provided with track shoes 8; the length of the upper support plate 6 is greater than that of the lower support plate 7, so that the track shoe 8 keeps a certain inclination angle; a belt wheel groove 9 is formed in the crawler plate 8, a belt wheel shaft 10 is arranged in the belt wheel groove 9, the crawler wheel 11 is rotatably installed on the belt wheel shaft 10, and the crawler 12 is connected with the crawler wheel 11 in a matched mode; the crawler 12 can slide in a self-adaptive manner when the pull rod 3 is pulled by hand, or a motor can be arranged on a certain crawler wheel 11, and the crawler 12 can rotate under the drive of the motor; the device is convenient to drag on stairs through the pull rod 3 and the crawler belt 12, so that labor is saved; the pull rod box is used for solving the problem that in the prior art, when the pull rod box goes upstairs or steps, the pull rod box still needs manpower to be lifted, and the labor is wasted.
Considering that the upper supporting plate 6 and the lower supporting plate 7 may be retracted when the crawler 12 is dragged, the left end and the right end of the lower side of the clamping groove 4 are oppositely provided with a top ball groove 13, and the top ball 14 is slidably mounted in the top ball groove 13; the snap ring 15 is in threaded fit with the upper end of the bead ejecting groove 14, and the upper end of the bead ejecting groove 14 exceeds the upper surface of the snap ring 15; a compression spring 16 is arranged between the bottom of the ball ejecting groove 13 and the ball ejecting groove 14; when the crawler 12 rotates out through the upper support plate 6 and the lower support plate 7, the lower support plate 7 presses the top ball 14 to press the compression spring 16 to move downwards, the upper support plate 6 and the lower support plate 7 rotate to be vertical, the top ball 14 is recovered in a self-adaptive mode, the top ball 14 can clamp the lower support plate 7, and the rotation possibility is reduced.
In the application, the pull rod 3 is a telescopic rod structure, so that the length of the pull rod 3 can be conveniently extended and shortened; a pull rod necking groove 17 is formed in the upper portion of the box body 1, the pull rod 3 is in sliding fit with the pull rod necking groove 17, and an auxiliary rod accommodating groove 18 is formed between the pull rod necking grooves 17; the end part of the auxiliary rod 19 of the U-shaped structure is provided with a ring sleeve 20, and the auxiliary rod 19 is rotatably connected with the upper end of the pull rod 3 through the ring sleeve 20; in consideration of the rotation angle of the auxiliary rod 19, the ring sleeve 20 is provided with an adjusting groove 21, and the upper end of the pull rod 3 is provided with a convex column 22 matched with the adjusting groove 21; the adjusting range of the adjusting groove 21 is 120 degrees; when the auxiliary rod 19 rotates to the lower limit of the adjusting groove 21, the auxiliary rod is parallel to the pull rod 3, when the auxiliary rod 19 rotates to the lower limit of the adjusting groove 21, the included angle between the auxiliary rod 19 and the pull rod 3 is 120 degrees, and when the auxiliary rod 19 rotates to the lower limit of the adjusting groove 21, the auxiliary rod is convenient to pull upstairs.
Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a crawler-type suitcase, includes box, universal wheel, pull rod, and the bottom half is located to the universal wheel, and the pull rod sets up in the upper portion of box, its characterized in that: a clamping groove is formed in the right side of the box body, and two connecting rods are vertically arranged in the clamping groove; the upper end of the connecting rod is rotatably connected with an upper support plate, the lower end of the connecting rod is rotatably connected with a lower support plate, and the other ends of the upper support plate and the lower support plate are provided with track shoes; the length of the upper support plate is greater than that of the lower support plate, so that the track shoe is obliquely arranged; the crawler belt comprises a crawler belt plate, a crawler belt wheel, a crawler belt and a crawler belt, wherein the crawler belt plate is provided with a crawler belt groove, the inside of the crawler belt groove is relatively provided with a crawler belt shaft, the crawler belt wheel is rotatably arranged on the crawler belt shaft, and the crawler belt is connected with the crawler belt wheel in a matched.
2. A tracked luggage case according to claim 1, wherein: the left end and the right end of the lower side of the clamping groove are oppositely provided with a top bead groove, and the top beads are slidably arranged in the top bead grooves; the clamping ring is in threaded fit with the upper end of the bead ejecting groove, and the upper end of the bead ejecting groove exceeds the upper surface of the clamping ring; and a compression spring is arranged between the bottom of the top bead groove and the top bead.
3. A tracked luggage case according to claim 1, wherein: the pull rod is of a telescopic rod structure.
4. A tracked luggage case according to claim 3, wherein: a pull rod necking groove is formed in the upper portion of the box body, the pull rod is in sliding fit with the pull rod necking groove, and an auxiliary rod accommodating groove is formed between the pull rod necking grooves; the end part of the auxiliary rod of the U-shaped structure is provided with a ring sleeve, and the auxiliary rod is rotatably connected with the upper end of the pull rod through the ring sleeve.
5. A tracked luggage case according to claim 4, wherein: the ring sleeve is provided with an adjusting groove, and the upper end of the pull rod is provided with a convex column matched with the adjusting groove.
6. A tracked luggage case according to claim 5, wherein: the adjusting range of the adjusting groove is 120 degrees; the auxiliary rod is parallel to the pull rod when rotating to the lower limit of the adjusting groove, and the included angle between the auxiliary rod and the pull rod is 120 degrees when the auxiliary rod rotates to the lower limit of the adjusting groove.
7. A tracked luggage case according to claim 1, wherein: the track may be driven by a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142610.9U CN212852764U (en) | 2020-09-27 | 2020-09-27 | Crawler-type suitcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142610.9U CN212852764U (en) | 2020-09-27 | 2020-09-27 | Crawler-type suitcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212852764U true CN212852764U (en) | 2021-04-02 |
Family
ID=75198648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022142610.9U Expired - Fee Related CN212852764U (en) | 2020-09-27 | 2020-09-27 | Crawler-type suitcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212852764U (en) |
-
2020
- 2020-09-27 CN CN202022142610.9U patent/CN212852764U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 Termination date: 20210927 |