Drawing type draw-bar box
By introducing a flip-flopable seat plate and support arm structure into the pull-out trolley box, the problem of inconvenience is solved and convenient riding rest and automatic storage functions are achieved.
Patent Information
- Application Number
- CN202422495886.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The existing pull-out trolley case lacks a ride-rest design when waiting for a car and other application scenarios, resulting in high pressure on the box and inconvenient ride.
A pull-out trolley box is designed, including a reversible seat plate and a support arm structure, which can achieve stable support and automatic storage of the seat plate through guide bar through holes and guide channels, and automatically recover the seat plate by using a reset coil spring.
It provides a convenient ride and rest function, avoiding the pressure caused by resting directly on the box, and automatically storing the seat plate when standing up, keeping the surface of the box flat and preventing bumps.
Smart Images

Figure CN223081252U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of draw-bar suitcases, in particular to a pull-out draw-bar suitcase. Background Art
[0002] Draw-bar suitcases, also known as travel suitcases and luggage cases, are boxes used to place items when going out. They are one type of luggage. Usually, suitcases are used to place clothes, personal care products and souvenirs needed during the journey. With the development of the economy, draw-bar suitcases have also developed greatly, thus meeting more usage needs of people.
[0003] Currently, most pull-out draw-bar suitcases are composed of universal wheels and draw bars. However, the current pull-out draw-bar suitcases have relatively single functions and lack a design for sitting and resting. When waiting for a bus or in other application scenarios, people often directly sit on the suitcase body to rest, resulting in a relatively large pressure on the draw-bar suitcase, and the sitting point is relatively high, making it inconvenient to sit on. Content of the Utility Model
[0004] The purpose of the utility model aims to solve at least one of the above-mentioned technical defects.
[0005] For this reason, one object of the utility model is to provide a pull-out draw-bar suitcase to solve the problems mentioned in the background art and overcome the deficiencies existing in the prior art.
[0006] To achieve the above object, an embodiment of one aspect of the utility model provides a pull-out draw-bar suitcase, which includes a first box body and a second box body. One side of the first box body and the second box body is fixedly connected with a box body hinge in common. The first box body and the second box body are rotationally connected through the box body hinge. The middle part of one side surface of the outer wall of the first box body is fixedly connected with a draw-bar sleeve. Two draw-bar sleeves are slidably connected with a draw bar in common inside the inner walls. The center of the bottom of one side surface of the outer wall of the second box body is provided with a storage groove. The middle part of the inner wall of the storage groove is rotationally connected with a seat plate. Both sides of the seat plate close to one side of the storage groove are provided with guiding strip-shaped through holes. The guiding strip-shaped through holes penetrate through the edge of the seat plate close to one side of the storage groove. The middle parts of both sides of the inner wall of the guiding strip-shaped through holes are provided with guiding strip-shaped channels. The center of the bottom of the inner wall of the storage groove is rotationally connected with a rotating shaft. Both sides of the rotating shaft are fixedly connected with support arms. Both sides of the top of the two support arms are fixedly connected with guiding columns. The guiding columns are slidably connected with the inner walls of the guiding strip-shaped channels. Both sides of the rotating shaft are sleeved with reset coil springs. Both ends of the two reset coil springs are fixedly connected with the support arms and the inner wall of the storage groove respectively. The support arms are flipped towards the inside of the storage groove under the winding of the reset coil springs. Universal wheels are fixedly connected to both sides of the bottom surfaces of the first box body and the second box body.
[0007] Preferably, according to any of the above solutions, the thickness of the seat board is adapted to the depth of the inner wall of the storage groove, and the length of the seat board is adapted to the distance from the connection between the seat board and the storage groove to the top of the inner wall of the storage groove.
[0008] The technical effect achieved by adopting the above solution is that the seat board can be stably stored in the inner wall of the storage groove.
[0009] Preferably, according to any of the above solutions, the guiding strip-shaped through hole penetrates through the top surface and the bottom surface of the seat board. The left-right distance between the inner walls of the guiding strip-shaped through hole is adapted to the thickness of the support arm. When the seat board is laid flat, the top end of the support arm abuts against one end of the guiding strip-shaped through hole far from the storage groove.
[0010] The technical effect achieved by adopting the above solution is that one end of the bottom surface of the seat board is stably supported by the support arm when the seat board is laid flat, so that the seat board is laid flat to facilitate sitting.
[0011] Preferably, according to any of the above solutions, the two support arms are rotationally connected to the storage groove through a rotating shaft, and the lengths of the two support arms are greater than the distance from the rotating shaft to the connection between the seat board and the storage groove.
[0012] The technical effect achieved by adopting the above solution is that when the support arms are fully retracted, they can press the seat board tightly, so that the seat board is retracted and fixed inside the storage groove.
[0013] Preferably, according to any of the above solutions, an arc structure is provided on the side of the seat board away from the storage groove, and the left-right width of the seat board is adapted to the width of the inner wall of the storage groove.
[0014] The technical effect achieved by adopting the above solution is that the seat board can be fully stored and embedded in the inner wall of the storage groove, improving the surface flatness. Moreover, the arc structure can prevent the legs from being bruised when sitting.
[0015] By flipping the seat board downward, the guiding column at the top end of the support arm can slide to one end of the inner wall of the guiding strip-shaped groove away from the storage groove, so as to press against the edge of one side of the bottom of the seat board, thus forming a triangular stable support. In this way, the user can rest on the seat board instead of on the box body, and at the same time can rely on the box body, making the sitting and resting more comfortable; through the reset winding force of the reset coil spring, when the user stands up, the support arm can be driven to rotate inward by the winding force, so as to drive the seat board to flip inward into the storage groove, making the seat board retracted into the storage groove. At the same time, the support arm coincides with the guiding strip-shaped through hole, so that the whole is received into the storage groove, making the outer surface of the second box body flat, preventing it from bumping against external objects when pushed, and at the same time realizing automatic storage, achieving the purpose of being convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic structural diagram of the present utility model;
[0017] Figure 2 is the front view structural schematic diagram of the present utility model;
[0018] Figure 3 of the present utility model Figure 2 is the sectional structural schematic diagram at A-A in it. Specific embodiments
[0019] The following further describes the present utility model in conjunction with the accompanying drawings, but the protection scope of the present utility model is not limited to the following.
[0020] Embodiment 1: As Figures 1 to 3 shown, a pull-out trolley case includes a first box body 1 and a second box body 2. A box body hinge 3 is fixedly connected to one side of the first box body 1 and the second box body 2 together. The first box body 1 and the second box body 2 are rotatably connected through the box body hinge 3. A pull rod sleeve 4 is fixedly connected to the middle of one side surface of the outer wall of the first box body 1. A pull rod 5 is slidably connected to the inner walls of the two pull rod sleeves 4 together. A storage groove 7 is opened at the center of the bottom of one side surface of the outer wall of the second box body 2. A seat plate 8 is rotatably connected to the middle of the inner wall of the storage groove 7. Guide strip-shaped through holes 9 are opened on both sides of the side of the seat plate 8 close to the storage groove 7. The guide strip-shaped through holes 9 penetrate through the edge of the side of the seat plate 8 close to the storage groove 7. Guide strip-shaped channels 13 are opened in the middle of both sides of the inner wall of the guide strip-shaped through holes 9. A rotating shaft 10 is rotatably connected to the center of the bottom of the inner wall of the storage groove 7. Support arms 11 are fixedly connected to both sides of the rotating shaft 10. Guide columns 14 are fixedly connected to both sides of the tops of the two support arms 11. The guide columns 14 are slidably connected to the inner walls of the guide strip-shaped channels 13. Return coil springs 12 are sleeved on both sides of the rotating shaft 10. Both ends of the two return coil springs 12 are fixedly connected to the support arms 11 and the inner wall of the storage groove 7 respectively. The support arms 11 are flipped towards the inside of the storage groove 7 under the winding of the return coil springs 12. Universal wheels 6 are fixedly connected to both sides of the bottoms of the first box body 1 and the second box body 2.
[0021] As an optional technical solution of the present utility model, the thickness of the seat plate 8 is adapted to the depth of the inner wall of the storage groove 7, and the length of the seat plate 8 is adapted to the distance from the connection between the seat plate 8 and the storage groove 7 to the top of the inner wall of the storage groove 7, so that the seat plate 8 can be stably stored in the inner wall of the storage groove 7.
[0022] As an optional technical solution of the present utility model, the guide strip-shaped through holes 9 penetrate through the top and bottom surfaces of the seat plate 8. The left and right spacing of the inner wall of the guide strip-shaped through holes 9 is adapted to the thickness of the support arms 11. When the seat plate 8 is laid flat, the top ends of the support arms 11 reach one end of the guide strip-shaped through holes 9 away from the storage groove 7, so that one end of the bottom surface of the seat plate 8 is stably supported by the support arms 11 when the seat plate 8 is laid flat, so that the seat plate 8 is laid flat to facilitate sitting.
[0023] As an alternative technical solution of the present utility model, the two support arms 11 are rotatably connected to the storage groove 7 through a rotating shaft 10. The lengths of the two support arms 11 are greater than the distance from the rotating shaft 10 to the connection of the seat plate 8 and the storage groove 7, so that when the support arms 11 are fully retracted, the seat plate 8 can be pressed, and the seat plate 8 is retracted and fixed inside the storage groove 7.
[0024] As an alternative technical solution of the present utility model, an arc structure is provided on the side of the seat plate 8 away from the storage groove 7. The left and right widths of the seat plate 8 are adapted to the width of the inner wall of the storage groove 7, so that the seat plate 8 can be fully received and embedded in the inner wall of the storage groove 7, improving the surface flatness, and the arc structure can prevent the legs from being uncomfortable when sitting.
[0025] A pull-out trolley case has the following working principle:
[0026] 1) By flipping the seat plate 8 downward, the guiding column 14 at the top of the support arm 11 can slide to one end of the inner wall of the guiding strip-shaped groove 13 away from the storage groove 7, so as to press against the edge of one side of the bottom of the seat plate 8, thus forming a triangular stable support, so that the user can rest on the seat plate 8.
[0027] 2) By the reset winding force of the reset coil spring 12, when the user stands up, the support arm 11 can be driven to rotate inward through the winding force, so as to drive the seat plate 8 to flip inward into the storage groove 7, so that the seat plate 8 is recovered into the storage groove 7.
[0028] 3) At the same time, the support arm 11 coincides with the guiding strip-shaped through hole 9, so that the whole is received into the storage groove 7, making the outer surface of the second box body 2 flat, preventing collision with external objects when pushing, and realizing automatic storage, achieving the purpose of convenient use.
[0029] In summary, for the pull-out trolley case, by flipping the seat plate 8 downward, the guiding column 14 at the top of the support arm 11 can slide to one end of the inner wall of the guiding strip-shaped groove 13 away from the storage groove 7, so as to press against the edge of one side of the bottom of the seat plate 8, thus forming a triangular stable support, so that the user can rest on the seat plate 8 instead of on the box body, and at the same time can rely on the box body to make sitting and resting more comfortable. By the reset winding force of the reset coil spring 12, when the user stands up, the support arm 11 can be driven to rotate inward through the winding force, so as to drive the seat plate 8 to flip inward into the storage groove 7, so that the seat plate 8 is recovered into the storage groove 7. At the same time, the support arm 11 coincides with the guiding strip-shaped through hole 9, so that the whole is received into the storage groove 7, making the outer surface of the second box body 2 flat, preventing collision with external objects when pushing, and realizing automatic storage, achieving the purpose of convenient use.
[0030] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A pull-out trolley case, characterized in that: It includes a first box body and a second box body. One side of the first box body and the second box body is fixedly connected with a box hinge together. The first box body and the second box body are rotationally connected through the box hinge. A pull rod sleeve is fixedly connected to the middle of one side surface of the outer wall of the first box body. A pull rod is slidably connected to the inner walls of the two pull rod sleeves together. A storage groove is opened at the center of the bottom of one side surface of the outer wall of the second box body. A seat plate is rotationally connected to the middle of the inner wall of the storage groove. Guide strip-shaped through holes are opened on both sides of the side of the seat plate close to the storage groove. The guide strip-shaped through holes penetrate through the edge of the side of the seat plate close to the storage groove. Guide strip-shaped channels are opened in the middle of both sides of the inner wall of the guide strip-shaped through holes. A rotating shaft is rotationally connected to the center of the bottom of the inner wall of the storage groove. Support arms are fixedly connected to both sides of the rotating shaft. Guide columns are fixedly connected to both sides of the tops of the two support arms. The guide columns are slidably connected to the inner walls of the guide strip-shaped channels. Return coil springs are sleeved on both sides of the rotating shaft. The two ends of the two return coil springs are fixedly connected to the support arms and the inner wall of the storage groove respectively. The support arms are flipped towards the inside of the storage groove under the winding of the return coil springs. Universal wheels are fixedly connected to both sides of the bottoms of the first box body and the second box body.
2. The pull-out trolley case according to claim 1, wherein: The thickness of the seat plate is adapted to the depth of the inner wall of the storage groove, and the length of the seat plate is adapted to the distance from the connection of the seat plate and the storage groove to the top of the inner wall of the storage groove.
3. The pull-out trolley case according to claim 2, wherein: The guide strip-shaped through holes penetrate through the top surface and the bottom surface of the seat plate. The left-right spacing of the inner wall of the guide strip-shaped through holes is adapted to the thickness of the support arm. When the seat plate is flat, the top end of the support arm touches the end of the guide strip-shaped through hole away from the storage groove.
4. The pull-out type trolley case according to claim 3, wherein: The two support arms are rotationally connected to the storage groove through the rotating shaft, and the lengths of the two support arms are greater than the distance from the rotating shaft to the connection of the seat plate and the storage groove.
5. The pull-out trolley case according to claim 4, wherein: An arc structure is opened on the side of the seat plate away from the storage groove, and the left-right width of the seat plate is adapted to the width of the inner wall of the storage groove.