CN219939927U

CN219939927U - Stair climbing device and case

Info

Publication number: CN219939927U
Application number: CN202320443969.0U
Authority: CN
Inventors: 程欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-09
Filing date: 2023-03-10
Publication date: 2023-11-03
Anticipated expiration: 2033-03-10

Abstract

The utility model provides a stair climbing device and a case, wherein the stair climbing device comprises a connecting component, a bottom plate and a sliding support, the sliding support is hinged with the bottom plate through the connecting component, the bottom plate is assembled on the outer surface of the case, the case comprises a case main body, and the bottom plate is assembled on the outer surface of the case main body. When the suitcase is required to go up and down stairs, the suitcase can be dragged to slide on the stairs by the device in the unfolded state, so that labor is saved, and the suitcase is protected from abrasion; in the carriage or on the slope of removal, the smooth lower limb that props of expansion is less than case and bag wheel, can replace case and bag wheel to prop ground, avoids the case and bag to slide or slide on-vehicle, simple structure, with low costs, and the security is high, and when drawing in the state, the smooth laminating of propping in the bottom plate place the surface of case and bag, occupation space is little.

Description

Stair climbing device and case

Technical Field

The utility model relates to the technical field of bags, in particular to a stair climbing device and a bag.

Background

When the current general pull rod luggage is used in travel, two main defects exist:

one of the defects is that when the case is heavy, people are required to lift the case vertically up and down to consume physical power, the surface of the case is easy to wear or break the wheels, and the case is too heavy to be out of hand, so that the case slides down the stairs to injure others. The luggage using the multi-wheel set can partially solve the problem, but the multi-wheel set has complex structure, and the wheels are large, heavy, easy to damage and difficult to clean, so the multi-wheel luggage is generally used for buying vegetables and is not used for traveling;

another drawback is the instability of the station, when the bag encounters a start-stop on a running vehicle or a stop on a slope, the bag can translate due to inertia or slide down the slope under the action of gravity, since the rolling of the wheels is not limited.

Disclosure of Invention

In view of the drawbacks of the prior art, an object of the present utility model is to provide a stair climbing device.

The utility model provides a stair climbing device, which comprises a connecting component, a bottom plate and a sliding support, wherein,

the sliding support is hinged with the bottom plate through a connecting component, and the bottom plate is assembled on the outer surface of the luggage;

in the furled state of the connecting component, the sliding support is attached to the outer surface of the case where the bottom plate is positioned and locked in the state;

in the unfolded state of the connecting component, the sliding support leaves the outer surface of the case, forms a preset included angle with the bottom plate, and is locked in the state after forming the preset included angle;

with the connection assembly maintained in the deployed state,

when the stair climbing operation is carried out, the sliding support is in sliding contact with the stair, and the connecting component enables the case to be far away from the stair;

when the anti-slip or anti-slip slope operation is carried out, the bottom end of the sliding support is abutted against the ground, so that the case and bag approach the roller of the connecting assembly to leave the ground.

Optionally, the coupling assembling includes connecting piece, lower connecting piece and retaining member, the smooth end of propping of connecting piece with the upper portion of propping of sliding rotates to be connected, the bottom plate end of last connecting piece with the bottom plate rotates to be connected, the smooth end of propping of connecting piece with the lower part of propping of sliding rotates to be connected, the bottom plate end of connecting piece with the bottom plate rotates to be connected down, the retaining member is in go up connecting piece and lower connecting piece and lock when being in under the state of drawing in or under the state of expanding, make last connecting piece and lower connecting piece keep in this state.

Alternatively, the strut appearance may be double ski, O-shaped, U-shaped or triangular.

Optionally, go up the connecting piece and include at least one last connection structure, go up connection structure and include head rod and second connecting rod, the bottom plate end of head rod and second connecting rod rotates respectively and connects the different positions of bottom plate, the head rod is provided with the guide way along its length direction on, the smooth support end of head rod with smooth support upper portion rotates to be connected, the upper portion of second connecting rod is provided with the guide post, the guide post is followed the guide way slides.

Optionally, the lower connecting piece includes at least a lower connection structure, the lower connection structure includes the third connecting rod, the smooth support end and the smooth support rotation of third connecting rod are connected, the bottom plate end of third connecting rod with the bottom plate rotates to be connected.

Optionally, the retaining member includes the horizontal pole handle, draws in fixed part and expansion fixed part in, the both ends of horizontal pole handle with the smooth end medial surface fixed connection that props of head rod, expansion fixed part sets up head rod with on the hole of the smooth end that props of second connecting rod, draw in the fixed part setting in on the protruding hole of bottom plate when coupling assembling draws in the state, the flexible end of horizontal pole handle with draw in the fixed part contact cooperation and realize the locking to drawing in the state in coupling assembling's expansion state, the flexible end of horizontal pole handle with the expansion fixed part contact cooperation realizes the locking to the expansion state.

Optionally, the horizontal pole handle includes sleeve pipe, button, pull rod core, short connecting rod, elastic component, first spacing boss and second spacing boss, the both ends fixed connection of sleeve pipe is in the position department that the head rod is close to the smooth support end, the pull rod core slides and sets up in the cavity of sleeve pipe inside, the button is articulated with the first end of short connecting rod, under the normal condition by the elasticity of elastic component pull short connecting rod to the both ends of horizontal pole handle, the button keeps in the intermediate position of horizontal pole handle under the axial pulling of the short connecting rod in both sides, the second end of short connecting rod is connected with the first end of pull rod core, first spacing boss fixed assembly is in on the pull rod core, second spacing boss fixed assembly is in on the cavity inner wall of sleeve pipe, set up the through-hole that is used for the pull rod core to slide out on the second spacing boss, the elastic component cup joints on the pull rod core, just the elastic component both ends are located between first spacing boss and two second spacing bosses;

when the locking state is required to be unlocked, the button is pressed along the radial direction of the sleeve, and the button drives the pull rod core to perform shrinkage movement in the cavity of the sleeve along the axial direction of the sleeve by overcoming the elastic force of the elastic piece through the short connecting rod, so that the pull rod core is separated from the unfolding fixing part or the folding fixing part;

when the locking state is needed, the button is loosened, the pull rod core stretches out and moves in the cavity of the sleeve along the axial direction of the sleeve under the action of the elastic force of the elastic piece, and the button is driven to return through the short connecting rod, so that the pull rod core is in contact fit with the unfolding fixing part or the folding fixing part.

The utility model also provides a case, which comprises the connecting component and the sliding support, and further comprises a case main body, wherein the sliding support is hinged with the outer surface of the case main body through the connecting component.

Compared with the prior art, the utility model has the following beneficial effects:

according to the stair climbing device and the suitcase, when the suitcase is required to climb up and down stairs, the suitcase can be dragged to slide on the stairs by being in the unfolded state, so that labor is saved, and the suitcase is protected from being worn; in the carriage or on the slope of removal, the smooth lower limb that props of expansion is less than case and bag wheel, can replace case and bag wheel to prop ground, avoids the case and bag to slide or slide on-vehicle, simple structure, with low costs, and the security is high, and when drawing in the state, the smooth laminating of propping in the bottom plate place the surface of case and bag, occupation space is little.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a stair climbing device according to a first embodiment of the present utility model;

FIG. 2 is a schematic view of a cross bar handle according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a luggage according to a second embodiment of the present utility model;

fig. 4 is a schematic diagram of a case climbing stairs according to a second embodiment of the present utility model;

fig. 5 is a schematic diagram illustrating a case for performing anti-slip or anti-landslide operation according to the third embodiment of the present utility model

Fig. 6 is a schematic structural diagram of a luggage according to a fourth embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a cross bar handle according to a fifth embodiment of the present utility model.

In the figure: 1. a bottom plate; 2. a folding fixing part; 3. a guide hole or a guide groove; 4. a second connecting rod; 5. a sliding support; 6. a third connecting rod; 7. a locking member; 701. a button; 702. a short connecting rod; 703. a sleeve; 704. the second limiting boss; 705. the first limiting boss; 706. a pull rod core; 707. an elastic member; 8. a first connecting rod; 9. a case body.

Detailed Description

The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.

Example 1

As shown in fig. 1, the stair climbing device of the present utility model comprises a connection assembly, a base plate 1 and a slide stay 5, wherein,

the sliding support 5 is hinged with the bottom plate 1 through a connecting component, the bottom plate 1 is assembled on the outer surface of the case, and the connecting mode of the bottom plate 1 and the outer surface of the case can be in the forms of bonding or bolting;

in the folded state of the connecting assembly, the sliding support 5 is attached to the outer surface of the case where the bottom plate 1 is positioned and locked in the state;

in the unfolded state of the connecting assembly, the sliding support 5 leaves the outer surface of the luggage, a preset included angle is formed between the sliding support 5 and the bottom plate 1, and the sliding support is locked in the state after the preset included angle is formed, so that the size of the luggage is different, the height of a human body is also different, the gradient of stairs is also different, the formed preset included angle can adapt to the gradient and the height of most of stairs, and the corresponding sliding support 5 with the preset included angle can be manufactured according to different requirements.

With the connection assembly maintained in the deployed state,

when climbing stairs, the sliding support 5 is in sliding contact with the stairs, and the connecting assembly enables the luggage to be far away from the stairs.

It will be appreciated that for better stability, the connection assembly may be designed to include an upper connection member, a lower connection member, and a locking member 7, where the sliding support end of the upper connection member is connected to the upper portion of the sliding support 5, the bottom plate end of the upper connection member is rotatably connected to the bottom plate 1, the sliding support end of the lower connection member is rotatably connected to the lower portion of the sliding support 5, and the bottom plate end of the lower connection member is rotatably connected to the bottom plate 1, and the locking member 7 locks the upper connection member and the lower connection member in a folded state or an unfolded state, so that the upper connection member and the lower connection member are maintained in that state.

In particular, the strut 5 may be double ski-shaped, O-shaped, U-shaped, triangular or other shape that is well adapted to slide on stairs.

In other embodiments, the sliding support 5 can also be a crawler-type structure, and the crawler-type structure is adopted, so that sliding friction is changed into rolling friction when the user goes up and down stairs, and the suitcase is pulled more effort.

On the basis of the sliding support structure, the upper connecting piece can comprise at least one upper connecting structure, in the embodiment, the number of the upper connecting structures is two, the upper connecting structure comprises a first connecting rod 8 and a second connecting rod 4, the bottom plate ends of the first connecting rod 8 and the second connecting rod 4 are respectively and rotatably connected at different positions of the bottom plate 1, the connecting mode is generally that the first connecting rod 8 is rotatably connected through a rotating pin shaft, a guide groove 3 is formed in the length direction of the first connecting rod 8, the sliding support end of the first connecting rod 8 is rotatably connected with the upper part of the sliding support 5, the rotating connecting mode is realized through the rotating pin shaft, a guide column is arranged on the upper part of the second connecting rod 4, the guide column slides along the guide hole or the guide groove 3, and the structure can be conveniently locked and has good stability after locking.

The adaptability, lower connecting piece include at least connection structure down, in this embodiment, connection structure is also two down, and connection structure down includes third connecting rod 6, and the smooth end of propping of third connecting rod 6 is rotated with smooth 5 and is connected, and the bottom plate end of third connecting rod 6 is rotated with bottom plate 1 and is connected, and the rotation connected mode also can be realized through rotating the round pin axle.

On the basis of the structure of the connecting component, in order to facilitate locking the connecting component at the corresponding state position, the locking piece 7 can be designed to comprise a cross rod handle, a folding fixing part 2 and a unfolding fixing part, two ends of the cross rod handle are fixedly connected with the first connecting rod 8, the unfolding fixing part is arranged on the holes of the first connecting rod 8 and the second connecting rod 4, the folding fixing part 2 is arranged on the bottom plate 1, when the connecting component is in the folding state, the telescopic end of the cross rod handle is in contact fit with the folding fixing part 2 to lock the folding state, and when the connecting component is in the unfolding state, the telescopic end of the cross rod handle is in contact fit with the unfolding fixing part to lock the unfolding state.

Referring to fig. 2, in order to facilitate the operation of the crossbar handle, the crossbar handle may include a sleeve 703, a button 701, a pull rod core 706, a short connecting rod 702, an elastic member 707, a first limiting boss 705 and a second limiting boss 704, where the elastic member 707 may be a spring, two ends of the sleeve 703 are fixedly connected to the inner sides of the two first connecting rods 8 near the sliding support ends, the pull rod core 706 is slidably disposed in a cavity of the sleeve 703, the button 701 is hinged to the first end of the short connecting rod 702, in a normal state, the elastic force of the elastic member 707 pulls the short connecting rod 702 toward two ends of the crossbar handle, the button is held in a middle position of the crossbar handle under axial pulling of the short connecting rods 702 on two sides of the button 701, the second end of the short connecting rod 702 is connected to the first end of the pull rod core 706, the first limiting boss 705 is assembled on the pull rod core 706, the second limiting boss 704 is fixedly assembled on the inner wall of the cavity of the sleeve 703, a through hole for sliding the pull rod core is disposed on the second limiting boss 704, the elastic member 707 is sleeved on the pull rod core 706, and two ends of the elastic member 707 are located between the first limiting boss 705 and the second limiting boss 704;

when the unlocking and locking state is needed, the button 701 is pressed along the radial direction of the sleeve 703, the button 701 drives the pull rod core 706 to perform shrinkage motion in the cavity of the sleeve 703 along the axial direction of the sleeve 703 by overcoming the elastic force of the elastic member 707 through the short connecting rod 702, so that the pull rod core 706 leaves the unfolding fixing part or the folding fixing part 2, the corresponding unfolding fixing part can be a through hole formed by sliding supporting ends of the first connecting rod and the second connecting rod on the basis of the structure of the cross rod handle, the folding fixing part 2 can be a half hole or a full hole protruding on a bottom plate, and the folding fixing part 2 can be directly machined on the bottom plate;

when the locking state is required to be entered, the button 701 is released, the pull rod 706 stretches out in the cavity of the sleeve 703 along the axial direction of the sleeve 703 under the action of the elastic force of the elastic member 707, and the button is driven to return through the short connecting rod 702, so that the pull rod 706 is in contact fit with the unfolding fixing portion or the folding fixing portion 2.

Example two

Referring to fig. 3 and 4, a luggage includes the above-mentioned connection assembly and the slide support 5, and further includes a luggage body 9, and the slide support 5 is hinged to an outer surface of the luggage body 9 through the connection assembly, where the outer surface is generally a surface where a luggage handle is located, and the surface is made into a form of a bottom plate during manufacturing.

Example III

Referring to fig. 5, a luggage includes the above-mentioned connection assembly and the sliding support 5, when performing anti-slip or anti-slip operation, the sliding support 5 is unfolded, the bottom end of the sliding support 5 replaces the roller of the luggage body 9 to be abutted against the ground, so that the roller at one end of the luggage leaves the ground, and the luggage body 9 is prevented from rolling along with the roller. It is known that anti-slip means that the slide stay is spread out on a running vehicle to prevent the luggage from slipping in a moving carriage, and anti-slip means that the slide stay is spread out to prevent the luggage body 9 from slipping when the luggage is on a slope.

Example IV

Referring to fig. 6, the difference between the present embodiment and the second embodiment is that: the second connecting rod 4 is made into a form with an inner guide rail and a positioning hole, the connecting point of the bottom plate end of the second connecting rod 4 and the bottom plate 1 is moved to the upper part of the bottom plate, the cross rod handle is moved to the middle part of the first connecting rod 3, when the sliding support 5 is opened, the first connecting rod 3 makes tangential movement with the inner guide rail of the second connecting rod 4 through a pin in the middle, and when the sliding support reaches a proper position, the whole sliding plate structure is fixed by extending the positioning hole inserted into the second connecting rod 4 through the pull rod core 706 of the cross rod handle. This form makes it possible to uniformly stress the base plate 1 so as not to deform under the weight of the luggage body 9.

Example five

Referring to fig. 7, the difference between the present embodiment and the second embodiment is that: the push button 701 of the cross bar handle can be made into a diagonal guide rail mode, one inward end of the pull rod core 706 is embedded into the diagonal guide rail through a pin, when the push button 701 is pressed, the push button 701 moves radially, and the diagonal guide rail drives the pull rod core 706 to do axial telescopic movement.

The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the utility model and the features of the embodiments may be combined with each other arbitrarily without conflict.

Claims

1. A stair climbing device is characterized by comprising a connecting component, a bottom plate and a sliding support, wherein,

with the connection assembly maintained in the deployed state,

2. The stair climbing device according to claim 1, wherein: the connecting assembly comprises an upper connecting piece, a lower connecting piece and a locking piece, wherein the sliding support end of the upper connecting piece is rotationally connected with the upper part of the sliding support, the bottom plate end of the upper connecting piece is rotationally connected with the bottom plate, the sliding support end of the lower connecting piece is rotationally connected with the lower part of the sliding support, the bottom plate end of the lower connecting piece is rotationally connected with the bottom plate, and the locking piece is locked when the upper connecting piece and the lower connecting piece are in a folded state or an unfolded state, and the upper connecting piece and the lower connecting piece are kept in the folded state or the unfolded state.

3. The stair climbing device according to claim 1, wherein: the sliding support is double-sled-shaped, O-shaped, U-shaped or triangular in appearance.

4. The stair climbing device according to claim 2, wherein: the upper connecting piece comprises at least one upper connecting structure, the upper connecting structure comprises a first connecting rod and a second connecting rod, the bottom plate ends of the first connecting rod and the second connecting rod are respectively connected to different positions of the bottom plate in a rotating mode, a guide groove is formed in the first connecting rod along the length direction of the first connecting rod, the sliding support end of the first connecting rod is connected with the upper portion of the sliding support in a rotating mode, and a guide column is arranged on the upper portion of the second connecting rod and slides along the guide groove of the first connecting rod.

5. The stair climbing device according to claim 2, wherein: the lower connecting piece comprises at least one lower connecting structure, the lower connecting structure comprises a third connecting rod, the sliding support end of the third connecting rod is rotationally connected with the sliding support, and the bottom plate end of the third connecting rod is rotationally connected with the bottom plate.

6. The stair climbing device according to claim 4, wherein the locking member comprises a cross bar handle, a folding fixing portion and an unfolding fixing portion, the cross bar handle is fixedly connected with the inner side face of the sliding support end of the first connecting rod, the unfolding fixing portion is arranged on the holes of the sliding support ends of the first connecting rod and the second connecting rod, the folding fixing portion is arranged on the protruding hole of the bottom plate, when the connecting assembly is in a folded state, the telescopic end of the cross bar handle is in contact fit with the folding fixing portion to lock the folded state, and when the connecting assembly is in an unfolded state, the telescopic end of the cross bar handle is in contact fit with the unfolding fixing portion to lock the unfolded state.

7. The stair climbing device according to claim 6, wherein the cross rod handle comprises a sleeve, a button, a pull rod core, a short connecting rod, an elastic piece, a first limiting boss and a second limiting boss, wherein two ends of the sleeve are fixedly connected to the position, close to a sliding support end, of the first connecting rod, the pull rod core is arranged in a cavity of the sleeve in a sliding mode, the button is hinged to the first end of the short connecting rod, the short connecting rod is pulled to two ends of the cross rod handle by the elastic force of the elastic piece in a normal state, the button is kept in the middle position of the cross rod handle under the axial pulling of the short connecting rods at two sides, the second end of the short connecting rod is connected with the first end of the pull rod core, the first limiting boss is fixedly assembled on the pull rod core, the second limiting boss is fixedly assembled on the inner wall of the cavity of the sleeve, a through hole for the pull rod core to slide out is formed in the second limiting boss, the elastic piece is sleeved on the pull rod core, and two ends of the elastic piece are positioned between the first limiting boss and the second limiting boss;

8. A luggage comprising a connecting assembly as claimed in any one of claims 1 to 7 and a slip stay, and further comprising a luggage body, the slip stay being hinged to an outer surface of the luggage body by the connecting assembly.