CN219096596U

CN219096596U - Ladder for caravan and caravan

Info

Publication number: CN219096596U
Application number: CN202320233367.2U
Authority: CN
Inventors: 苏彬诚
Original assignee: Huoshu Technology Co ltd
Current assignee: Huoshu Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-05-30
Anticipated expiration: 2033-02-13

Abstract

The utility model belongs to the technical field of motor home, and discloses a ladder for a motor home and the motor home, wherein the ladder comprises a ladder frame, a plurality of pedals and a plurality of supporting blocks, and the ladder frame is pivoted at a door opening of the motor home and can be arranged in an up-down turnover manner; the pedals are pivoted with the ladder frame and are arranged at intervals in parallel along the length direction of the ladder frame; the plurality of supporting blocks are arranged on the ladder frame and used for supporting and limiting the plurality of pedals; when the ladder frame is turned upwards, the pedals are automatically retracted under the action of gravity; when the ladder frame is turned downwards, a plurality of the pedals are unfolded and supported by a plurality of supporting blocks. With this structural design's ladder, can make the footboard receive and release in step along with the upset of ladder frame from top to bottom, provide great convenience and can effectively reduce the car as a house space occupation for the receipts of ladder to release then.

Description

Ladder for caravan and caravan

Technical Field

The utility model relates to the technical field of limousines, in particular to a ladder for a limousine and the limousine.

Background

In order to make full use of car as a house space when the design, the carriage bottom plate will be raised in order to make full use of, the installation space of certain height will be reserved between carriage bottom plate and ground in most cases, therefore all can come in and go out the carriage with the help of the ladder that sets up in the car as a house door, prior art is used for the ladder of car as a house, because structural design is unreasonable enough, the footboard can not be with the synchronous receipts of the upper and lower upset of ladder frame for the ladder upwards overturns and packs up the back and compares occupation space, then brings a great deal of inconvenience for the use of car as a house.

Disclosure of Invention

The utility model aims to provide a ladder for a motor home and the motor home, wherein the ladder can be synchronously folded and unfolded along with the up-down overturning of a ladder frame, so that great convenience is provided for folding and unfolding of the ladder, and the space occupation of the motor home can be effectively reduced.

To achieve the purpose, the utility model adopts the following technical scheme:

a ladder for a caravan, comprising:

the ladder frame is pivoted to a door opening of the caravan and can be arranged in an up-down turnover way;

a plurality of pedals pivoted with the ladder frame and arranged at intervals in parallel along the length direction of the ladder frame;

the plurality of supporting blocks are arranged on the ladder frame and used for supporting and limiting a plurality of pedals;

when the ladder frame is turned upwards, the pedals are automatically retracted under the action of gravity;

when the ladder frame is turned downwards, a plurality of the pedals are unfolded and supported by a plurality of supporting blocks.

The device also comprises a driving mechanism arranged at the bottom of the door opening and used for overturning the ladder frame, and a connecting rod mechanism arranged on the side wall of the ladder frame and used for driving the pedal to overturn downwards along with the ladder frame and automatically flatten.

The driving mechanism comprises an electric driving device and an unlocking mechanism for switching the electric driving device into manual driving.

The ladder frame comprises a frame body for installing a plurality of pedals and two pivoting plates which are arranged at one end of the frame body in an extending mode; the two pivoting plates are respectively matched with a pivoting opening formed in a bottom plate of the door opening, the two pivoting plates are penetrated with a pivoting shaft fastened with the two pivoting plates, and the electric driving device fastened with the two pivoting plates is arranged below the bottom plate; the pivoting plate is provided with a limiting notch which is used for being clamped with the pivoting opening when the pivoting plate is turned up and down.

The electric driving device comprises a pivot shaft, a driven gear arranged on the pivot shaft and a motor arranged at the bottom of the bottom plate, and a driving gear meshed with the driven gear is arranged at the driving end of the motor.

The unlocking mechanism comprises a screw rod arranged below the motor, a bracket for erecting the screw rod, and a separation frame which is in threaded connection with the screw rod and used for driving the driving gear to be separated from the driven gear, wherein the separation frame is fastened with the motor and pivoted with the lower bottom surface of the bottom plate.

The automobile door is characterized in that one end shaft of the screw rod is pivoted with the side wall of the automobile compartment below the automobile door opening, an unlocking hole for conveniently driving one end shaft of the screw rod through an external tool is formed in the side wall of the automobile compartment, and the unlocking hole cover is provided with a waterproof and dustproof cover for preventing the screw rod from rotating.

The connecting rod mechanism comprises a transmission rod which is arranged along the length direction of one side wall of the frame body in a sliding mode, a roller which is pivoted at one end of the transmission rod and is in rolling fit with the side wall of the carriage when the frame body overturns around the pivoting shaft, and a plurality of rotating shafts which extend out of one side wall of the transmission rod vertically.

The pedal comprises a pedal body, a transmission rod, a pedal body, a pedal turning shaft, a transmission plate and a rotating shaft, wherein the two opposite side walls of the pedal body are arranged in a triangular plate shape, the pedal turning shaft is arranged on the two opposite side walls of the pedal body in a penetrating mode, and one end of the pedal turning shaft is arranged on the transmission rod in a penetrating mode and is connected with the rotating shaft through the transmission plate.

The motor home comprises the ladder, wherein the ladder is pivoted to a door opening of the carriage, when the ladder is unfolded, a pedal pivoted on a frame body of the ladder is automatically unfolded, and one end of the frame body is abutted against the side wall of the carriage; when the ladder is retracted, the step pivoted to the frame of the ladder is automatically retracted and the ladder is accommodated behind the door.

The utility model has the beneficial effects that: the utility model provides a ladder for a motor home, which comprises a ladder frame, a plurality of pedals and a plurality of supporting blocks, wherein the ladder frame is pivoted to a door opening of the motor home and can be arranged in an up-down turnover way; the pedals are pivoted with the ladder frame and are arranged at intervals in parallel along the length direction of the ladder frame; the plurality of supporting blocks are arranged on the ladder frame and used for supporting and limiting the plurality of pedals; when the ladder frame is turned upwards, the pedals are automatically retracted under the action of gravity; when the ladder frame is turned downwards, a plurality of the pedals are unfolded and supported by a plurality of supporting blocks. With this structural design's ladder, can make the footboard receive and release in step along with the upset of ladder frame from top to bottom, provide great convenience and can effectively reduce the car as a house space occupation for the receipts of ladder to release then.

Drawings

Figure 1 is an isometric view of the ladder of the present utility model flipped down to a maximum position.

Figure 2 is an isometric view of the ladder of figure 1 inverted to a horizontal position.

Fig. 3 is an isometric view of the ladder of fig. 1 flipped up to a maximum position.

Figure 4 is a front isometric view of the ladder of the present utility model inverted downward during actual use.

Fig. 5 is a reverse isometric view of the ladder of fig. 4 flipped down.

Figure 6 is a front isometric view of the ladder of the present utility model after the ladder has been flipped up during actual use.

Fig. 7 is a reverse isometric view of the ladder of fig. 6 flipped up.

Fig. 8 is an isometric view of a drive mechanism for securing to the underfloor of the present utility model.

Fig. 9 is an isometric view of the two pivot plates and the pivot shaft assembled.

Fig. 10 is a partial enlarged view at a in fig. 8.

Fig. 11 is a partial enlarged view at B in fig. 3.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 to 3, the present embodiment provides a ladder for a motor home, the ladder comprising a ladder frame 1, a step 2 and a support block 3, wherein the ladder frame 1 is pivotally connected to a door opening of the motor home and can be turned up and down, when the ladder is required to be used, the ladder frame 1 is turned down and unfolded, and when the ladder is not used, the ladder is turned up and folded; the pedals 2 are provided with a plurality of pedals which are respectively arranged at intervals in parallel along the length direction of the ladder frame 1 and are pivoted with the two opposite side walls of the ladder frame 1; in order to provide better support and limit for the unfolded pedal 2, people can conveniently enter and exit the carriage by means of the pedal 2, and a plurality of support blocks 3 are further arranged on two opposite inner side walls of the ladder frame 1. In addition, handrails 12 are provided on one side wall of the ladder frame 1 in order to increase the safety of the ladder 1 in use.

Further, in order to increase the bearing capacity of the pedal 2, the pedal 2 is conveniently matched with the corresponding supporting blocks 3, and preferably, two opposite side walls of the pedal 2 are arranged in a triangular plate shape, when the ladder frame 1 is turned downwards, the lower bottom surface of the side wall of the unfolded pedal 2 close to the pivoting end is abutted against the supporting blocks 3, so that the pedal 2 is well supported and limited.

Still further, as the preference, the pedal turnover shaft 21 is still worn to be equipped with by the opposite both sides wall of pedal 2, thereby make pedal 2 can overturn around pedal turnover shaft 21, because pedal turnover shaft 21 sets up in the one end of pedal 2, receive pedal 2 focus's influence, when ladder frame 1 upwards or when down overturn, still can make its automation of folding and unfolding by means of pedal 2 self gravity effect, when the ladder upwards overturns, a plurality of pedals 2 after folding are located the thickness within range of ladder frame 1 respectively, this mode compares with the mode of pedal 2 and ladder frame 1 fastening, thickness that can effectively reduce ladder frame 1, when satisfying ladder overall rigidity, can make the thickness of ladder frame 1 relatively thinner, consequently, when the ladder upwards overturns and packs up, can not occupy too much parking space, then reserve great usable space for the car as a house.

In combination with the actual use scene, the ladder in this embodiment is turned over upwards and the state of use after turning over downwards is as shown in fig. 4 to 7, and after adopting the ladder of above-mentioned structural design to turn over upwards and pack up, the ladder is located the rear of car as a house door, because the overall thickness of ladder is thinner, consequently, can flow enough usage space for seat 4, make things convenient for the seat 4 back to utilize the passageway backward tilt of entering, thereby give the line and bring better riding experience, also make the space utilization of car as a house obtain effectively promoting simultaneously.

More specifically, as shown in fig. 1 to 9, the ladder frame 1 preferably includes a frame 11 for mounting a plurality of pedals 2, and two pivoting plates 22 extending from one end of the frame 11; the two pivoting plates 22 are respectively matched with the pivoting opening 51 arranged on the bottom plate 5 of the door opening, in addition, a pivoting shaft 611 fastened with the two pivoting plates 22 is also arranged between the two pivoting plates 22 in a penetrating way, and when the two pivoting plates 22 are installed, the two pivoting plates 22 are inserted into the corresponding pivoting openings 51 and then are fastened with the two pivoting plates 22 through the pivoting shaft 611 positioned below the carriage bottom plate 5; in order to further limit the turning angle of the two pivoting plates 22, a limit notch 231 is further provided on the pivoting plate 22, so that when the ladder frame 1 is turned upwards to the maximum position, the ladder frame 1 is kept vertical to the carriage bottom plate 5 through the limit notch 231; when the ladder frame 1 is turned upwards to the maximum position, the side wall of the pivoting plate 22 is abutted against the side wall of the carriage, so that stable and reliable support is provided for the ladder frame 1, and the use requirement can be met without touching the ground at the lower end of the ladder frame 1.

More specifically, when the ladder frame 1 is turned upwards to the maximum position, in order to avoid shaking the ladder frame 1 perpendicular to the carriage bottom plate 5, preferably, a magnetic attraction piece 52 is further disposed on the carriage bottom plate 5, and when the ladder frame 1 is turned upwards to be perpendicular to the bottom plate 5, the magnetic attraction piece 52 adsorbs the pivoting plate 22 at the end part of the ladder frame 1, so that the position of the turned-upwards ladder frame 1 is more stable and collision with the door and the side wall of the caravan can be avoided.

In order to further improve the automation degree of the ladder and reduce the trouble caused by manual folding and unfolding of the ladder frame 1, as shown in fig. 3, 9 and 10, the present embodiment further includes a driving mechanism 6 fastened to the two pivoting plates 22 below the floor 5, and the driving mechanism 6 includes an electric driving device 61 and an unlocking mechanism 62 for switching the electric driving device 61 to manual driving.

Preferably, the electric driving device 61 includes a pivot shaft 611, a driven gear 612 disposed on the pivot shaft 611, and a motor 613 disposed at the bottom of the bottom plate 5, wherein a driving gear meshed with the driven gear is disposed at a driving end of the motor 613, so that the motor 613 drives the shaft to rotate, and then the pivoting plates 22 on two sides of the ladder frame 1 drive the ladder frame 1 to turn up and down.

Further, in order to prevent the ladder frame 1 from being locked due to the abnormality of the motor 613 and the like, and the ladder frame 1 and the like cannot be turned over manually, the embodiment may switch the electric driving device 61 to the manual driving mode by the unlocking mechanism 62, preferably, the unlocking mechanism 62 includes a screw rod 621 disposed below the motor 613, a bracket 622 for erecting the screw rod 621, and a separation frame 623 screwed with the screw rod 621 for driving the driving gear and the driven gear 612 to separate, and the separation frame 623 is fastened with the motor 613 and pivoted with the lower bottom surface of the bottom plate 5; the unlocking mechanism 62 after installation can drive the separating frame 623 to move along the length direction of the screw rod 621 when the screw rod 621 rotates, and at the moment, the separating frame 623 is fastened with the motor 613 and pivoted with the lower bottom surface of the bottom plate 5, so that the separating frame 623 can drive the motor 613 to deflect a certain angle, and then the driving gear and the driven gear 612 on the motor 613 are separated, so that the ladder frame 1 is restored to a manual overturning state.

In order to operate the unlocking mechanism 62 during use, preferably, one end shaft of the screw rod 621 is pivoted with a side wall of the carriage below the door opening, the side wall of the carriage is provided with an unlocking hole 9 for conveniently driving one end shaft of the screw rod 621 to rotate through an external tool, and when unlocking is needed, the driving end of the external tool is inserted into the unlocking hole 9 to be connected with one end shaft of the screw rod 621, so that the screw rod 621 is driven to rotate, and preferably, the external tool is a straight-mouth screwdriver. In addition, in order to prevent dust and rainwater from entering the unlocking hole 9 to influence the rotation of the screw rod 621, the unlocking hole 9 is further provided with an unlocking hole cover 624; preferably, in order to prevent the screw rod 621 from loosening after being vibrated in the driving process, the unlocking hole cover 624 is provided with a straight-line-mouth screwdriver which is tightly clamped and accommodated in the unlocking hole cover 624 and cannot rotate, the straight-line-mouth screwdriver is matched with an opening on the end shaft of the screw rod 621, when unlocking is needed, the unlocking hole cover 624 is opened to pull out the straight-line-mouth screwdriver, the unlocking hole cover 624 cannot be clamped on the unlocking hole 9, the screw rod 621 can be driven by manual rotation, and when unlocking is not needed, the straight-line-mouth screwdriver is retracted into the unlocking hole cover 624 to be fixed with the straight-line-mouth screwdriver and the unlocking hole 9, so that the technology is more common and is not repeated; in order to achieve better waterproof and dustproof effects, preferably, the outer edge of the unlocking hole cover 624 can be made of flexible plastic, so that the tightness after being matched with the unlocking hole 9 is improved.

Furthermore, in order to facilitate the downward turning of the ladder frame 1, the pedals 2 can be automatically flattened along with the downward turning of the ladder frame 1, and as shown in fig. 1 to 11, a link mechanism 7 for automatically flattening the pedals 2 is further arranged on one side wall of the ladder frame 1 in the embodiment; specifically, the link mechanism 7 includes a driving rod 71 slidably disposed along a length direction of a side wall of the frame 11, a roller 72 pivotally connected to one end of the driving rod 71 for rolling fit with a side wall of a car when the frame 11 of the ladder frame 1 is turned around a pivot shaft 611, and a plurality of rotating shafts 73 extending vertically out of the side wall of the driving rod 71, wherein one end of the pedal turnover shaft 21 is disposed through the driving rod 71 and connected with the rotating shafts 73 through a driving plate 74, preferably, one end of the driving plate 74 is fastened to the pedal turnover shaft 21, a sliding slot is formed in the driving plate 74 along the length direction, and the rotating shafts 73 are inserted into the sliding slot and slidably connected with the sliding slot.

When the ladder frame 1 is turned downwards, the rollers 72 drive the transmission rod 71 to move towards one end of the ladder frame 1 far away from the side wall of the carriage by being extruded by the side wall of the carriage, and then drive the pedal turning shaft 21 to rotate through the transmission plate 74, so that the pedal 2 is automatically flattened along with the downward turning of the ladder frame 1 under the torque force of the pedal turning shaft 21; conversely, when the ladder frame 1 is turned upwards, the rollers 72 are gradually separated from the side wall of the carriage, so that the pedal 2 is gradually retracted under the action of the gravity of the pedal 2 along with the automatic resetting of the transmission rod 71, the retracted pedal 2 is positioned in the thickness range of the ladder frame 1, the size of the ladder is relatively reduced, and the space occupation of the ladder is effectively reduced.

The embodiment also provides a motor home, which comprises the ladder, wherein the ladder is pivoted at a door opening of a carriage, when the ladder is unfolded, the pedal 2 pivoted on the frame 11 of the ladder is automatically unfolded, and one end of the frame 11 is abutted against the side wall of the carriage; when the ladder is retracted, the step 2 pivoted on the frame 11 of the ladder is automatically retracted and the ladder is accommodated behind the door; the ladder adopting the structural design is thinner after being folded and is close to one side of the car door, so that a relatively wide space can be reserved at the passageway of the doorway as shown in fig. 7, and the ladder further provides great convenience for folding and unfolding of the seat backrest, and simultaneously, the space utilization of the caravan is also effectively promoted.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. A ladder for a recreational vehicle, comprising:

2. The ladder for a motor home according to claim 1, further comprising a driving mechanism provided at a bottom of the door opening for turning over the ladder frame, and a link mechanism provided at a side wall of the ladder frame for driving the step to automatically flatten as the ladder frame turns down.

3. A ladder for a motor home according to claim 2, wherein the drive mechanism comprises an electric drive and an unlocking mechanism for switching the electric drive to manual drive.

4. A ladder for a motor home according to claim 3, wherein the ladder frame includes a frame for mounting a plurality of the pedals, and two pivoting plates extending at one end of the frame; the two pivoting plates are respectively matched with a pivoting opening formed in a bottom plate of the door opening, the two pivoting plates are penetrated with a pivoting shaft fastened with the two pivoting plates, and the electric driving device fastened with the two pivoting plates is arranged below the bottom plate; the pivoting plate is provided with a limiting notch which is used for being clamped with the pivoting opening when the pivoting plate is turned up and down.

5. The ladder for a motor home according to claim 4, wherein the electric driving device includes the pivot shaft, a driven gear provided to the pivot shaft, and a motor provided to a bottom of the bottom plate, and a driving gear engaged with the driven gear is provided to a driving end of the motor.

6. The ladder for a motor home according to claim 5, wherein the unlocking mechanism comprises a screw rod arranged below the motor, a bracket for erecting the screw rod, and a separation frame which is in threaded connection with the screw rod and is used for driving the driving gear to be separated from the driven gear, wherein the separation frame is fastened with the motor and pivoted with the lower bottom surface of the bottom plate.

7. The ladder for a motor home according to claim 6, wherein the one end shaft of the screw is pivotally connected to a side wall of the compartment below the door opening, the side wall of the compartment is provided with an unlocking hole for facilitating rotation of the one end shaft of the screw by an external tool, and the unlocking hole cover is provided with a waterproof and dustproof cover for preventing rotation of the screw.

8. The ladder for a motor home of claim 7, wherein the link mechanism comprises a driving rod slidably disposed along a length direction of a side wall of the frame, a roller pivotally coupled to one end of the driving rod for rolling engagement with the side wall of the car when the frame is turned around the pivot shaft, and a plurality of rotating shafts extending perpendicularly to the side wall of the driving rod.

9. The ladder for a motor home according to claim 8, wherein the opposite side walls of the pedal are provided in a triangular plate shape, and the opposite side walls of the pedal are provided with pedal turning shafts in a penetrating manner, and one end of each pedal turning shaft is provided on the transmission rod in a penetrating manner and is connected with the corresponding shaft through the transmission plate.

10. A motor home comprising the ladder of any one of claims 1 to 9, wherein the ladder is pivotally connected to a door opening of the cabin, when the ladder is unfolded, a pedal pivotally connected to a frame of the ladder is automatically unfolded, and one end of the frame abuts against a side wall of the cabin; when the ladder is retracted, the step pivoted to the frame of the ladder is automatically retracted and the ladder is accommodated behind the door.