CN211196046U

CN211196046U - Motor stair for motor home with dewatering function

Info

Publication number: CN211196046U
Application number: CN201922299607.5U
Authority: CN
Inventors: 刘今朝; 史敦国; 董永杰
Original assignee: Luoyang Deye Special Vehicle Co ltd
Current assignee: Henan Deye Special Vehicle Co.,Ltd.
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-07
Anticipated expiration: 2029-12-19

Abstract

An electric stair for a caravan with a dewatering function relates to the field of caravan stair equipment and comprises a stair case, a pedal connecting rod mechanism, an electric pushing cylinder and a control device, wherein the stair case comprises a case body and a case door; the pedal connecting rod mechanism comprises a multi-stage pedal and a first-stage triangular plate directly driven to rotate by an electric pushing cylinder, the pedal mainly comprises a plurality of convex plates and concave plates which are arranged at intervals, a plurality of water leakage holes are formed in the plate surface of each concave plate, a first proximity switch and a second proximity switch which are used for detecting the rotation opening and the rotation closing of the first-stage triangular plate are arranged on the inner wall of the box body respectively, and the first proximity switch and the second proximity switch are in signal connection with the control device respectively; the bottom of the box body is provided with an inner bottom plate and an outer bottom plate which are arranged at intervals, and a water removing device capable of leaking water from the interior of the box body to the outside in a one-way manner is arranged between the inner bottom plate and the outer bottom plate; this escalator can prevent too much rainwater promptly and get into the stair case, can effectually detach the rainwater that gets into the stair incasement again.

Description

Motor stair for motor home with dewatering function

Technical Field

The utility model belongs to the technical field of car as a house stair equipment and specifically relates to an electric stair is used to car as a house with dewatering function is related to.

Background

When the chassis of the motor home is higher, an electric stair is generally arranged below a vehicle door for people to get on and off the vehicle, for example, a Chinese utility model patent with the publication number of CN205502999U discloses an electric folding stair suitable for the motor home, which adopts a pedal connecting rod mechanism, can be carried along with the vehicle, is freely folded and unfolded through electric operation, and is convenient to be accommodated in a box body after being folded; because the accommodating box body of the electric stair is connected with the motor home, after the upper cover plate of the stair cover is folded, the box body is required to be sealed, and the box body can be waterproof and dustproof so as to protect the structure and the control circuit in the box body; but discovery in the use, in case meet sleet weather, no matter when folding stair expand the use, or when the apron of box was packed up along with folding stair, always have sleet to enter into the box, if these rainwater can not in time detach, along with the rocking when the car as a house marchs, very easily cause harm to the structure and the control circuit of box inside.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model discloses an electric stair for car as a house with dewatering function can prevent promptly that too much rainwater from getting into the stair case, can effectually detach the rainwater that gets into the stair incasement again.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an electric stair for a caravan with a water removal function comprises a stair case, a pedal connecting rod mechanism, an electric pushing cylinder and a control device for controlling the electric pushing cylinder to open and close, wherein the stair case comprises a case body and a case door, and the electric pushing cylinder is arranged in the stair case and is used for driving the pedal connecting rod mechanism and the case door to be folded or unfolded; the pedal connecting rod mechanism comprises a multi-stage pedal and a first-stage triangular plate directly driven to rotate by an electric pushing cylinder, the pedal mainly comprises a plurality of convex plates and concave plates which are arranged at intervals, a plurality of water leakage holes are formed in the plate surface of each concave plate, a first proximity switch and a second proximity switch which are used for detecting the rotation opening and the rotation closing of the first-stage triangular plate are arranged on the inner wall of the box body respectively, and the first proximity switch and the second proximity switch are respectively in signal connection with a control device; the water-saving box is characterized in that an inner bottom plate and an outer bottom plate which are arranged at intervals are arranged at the bottom of the box body, and a water removing device capable of leaking water outwards in one direction from the inside of the box body is arranged between the inner bottom plate and the outer bottom plate.

Further, the water removing device comprises a sewer pipe and a plug, the inner bottom plate is provided with a first sewer hole, the outer wall of the top end of the sewer pipe is installed in the first sewer hole in a matched mode, the top end of the plug and the opening at the bottom end of the sewer pipe are correspondingly sealed, a limiting rod fixed on the outer bottom plate is arranged below the plug, a spring is sleeved outside the limiting rod, and two ends of the spring are fixedly connected with the bottom end face of the plug and the outer bottom plate respectively; and a second lower water hole is formed in the surface, close to the first lower water hole, of the outer bottom plate.

Further, the inner bottom plate is provided with an inclination angle, and the first water drainage hole is formed in the low-concave water accumulation part of the inner bottom plate.

Furthermore, the bottom end of the plug extends outwards to form a floating edge.

Furthermore, a dust guard plate is arranged above the second lower water hole.

Further, the limiting rod is set to be a screw in threaded connection with the outer bottom plate.

Further, a dryer is arranged at the top end of the inner wall of the box body.

Further, the box door is of a V-shaped structure, and the middle part of the box door is higher than two sides of the box door when the box door is unfolded.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses an electric stair for a house car with dewatering function, guaranteeing that the electric stair is sturdy and durable, reliable in folding and unfolding action, waterproof and dustproof, and meanwhile, the stair case is provided with a convex plate and a concave plate to play a role in skid resistance in rainy days, and the water leakage holes on the concave plate are utilized to prevent the water accumulation of the pedal; when the electric pushing cylinder rotates the first-stage triangular plate to drive the whole pedal connecting rod mechanism to be folded or unfolded, the first proximity switch and the second proximity switch are used for detecting the position of the first-stage triangular plate, and sending a signal to control the electric pushing cylinder to be powered off and shut down at once, so that the telescopic speed of the electric pushing cylinder can be set within a safety range, the pedal connecting rod mechanism can be folded or unfolded more quickly, the water quantity of rainwater entering a stair case is reduced, and rainwater can be discharged out of the case body through the water removal device after the water enters the stair case; for traditional escalator, the utility model discloses can prevent promptly that too much rainwater from getting into the stair case, can effectually detach the rainwater that gets into the stair incasement again.

Drawings

Fig. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the water removal device;

fig. 3 is a schematic perspective view of the present invention.

In the figure: 1. a dryer; 2. a box body; 201. an inner bottom plate; 202. an outer base plate; 3. a second proximity switch; 4. an electric pushing cylinder; 5. a first proximity switch; 6. a box door; 7. a pedal link mechanism; 701. a pedal; 7011. a convex plate; 7012. a concave plate; 7013. a water leakage hole; 702. a first-level set square; 8. a water removal device; 801. a sewer pipe; 802. a plug; 803. floating the edge; 804. a spring; 805. a limiting rod; 806. a dust guard; 807. a second drain hole.

Detailed Description

The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:

the electric stair with the water removal function for the motor home comprises a stair case, a pedal connecting rod mechanism 7, an electric pushing cylinder 4 and a control device for controlling the electric pushing cylinder 4 to open and close, wherein the stair case comprises a case body 2 and a case door 6, and the electric pushing cylinder 4 is arranged in the stair case and used for driving the pedal connecting rod mechanism 7 and the case door 6 to be folded or unfolded; the pedal link mechanism 7 comprises a multi-stage pedal 701 and a first-stage triangular plate 702 which is directly driven to rotate by the electric pushing cylinder 4 through a rotating shaft, the pedal 701 mainly comprises a plurality of convex blocks 7011 and concave blocks 7012 which are arranged at intervals, a plurality of water leakage holes 7013 are formed in the surface of the concave blocks 7012, the convex blocks 7011 and the concave blocks 7012 are arranged through the pedal 701 to play a role of skid resistance in rainy days, and water accumulation of the pedal 701 is prevented by the aid of the water leakage holes 7013 in the concave blocks 7012; the inner wall of the box body 2 is provided with a first proximity switch 5 and a second proximity switch 3 which are respectively used for detecting that the first-stage triangular plate 702 is opened in place in a rotating mode and closed in place in a rotating mode, the first proximity switch 5 and the second proximity switch 3 are respectively connected with a control device through signals, when the electric pushing cylinder 4 rotates the first-stage triangular plate 702 to drive the whole pedal connecting rod mechanism 7 to be folded or unfolded, the first proximity switch 5 and the second proximity switch 3 are used for detecting the position of the first-stage triangular plate 702 and sending out signals to control the electric pushing cylinder 4 to be immediately powered off and shut down, and therefore the expansion speed of the electric pushing cylinder 4 can be set within a safety range, the pedal connecting rod mechanism 7 can be rapidly folded or unfolded, and the water quantity of rainwater entering the stair box is reduced; according to the requirement, the small dryer 1 is arranged at the top end of the inner wall of the box body 2, so that the water removal in the box body 2 can be accelerated, and the structure and the control circuit in the box body 2 are prevented from being damaged; in addition, the box door 6 is of a V-shaped structure with the middle part higher than the two sides when being unfolded, so that excessive water is prevented from being brought when the box door 6 rotates upwards and is closed;

an inner bottom plate 201 and an outer bottom plate 202 which are arranged at intervals are arranged at the bottom of the box body 2, a water removal device 8 which can leak water from the interior of the box body 2 to the outside in a one-way mode is arranged between the inner bottom plate 201 and the outer bottom plate 202, and after water enters the stair case, rainwater can be discharged out of the box body 2 through the water removal device 8; according to the requirement, the dewatering device 8 comprises a downcomer 801 and a plug 802, the inner base plate 201 is provided with a first lower water hole, the outer wall of the top end of the downcomer 801 is fittingly installed in the first lower water hole, the top end of the plug 802 and the bottom end opening of the downcomer 801 are correspondingly sealed, a limiting rod 805 fixed on the outer base plate 202 is arranged below the plug 802, the limiting rod 805 is used for limiting the descending degree of the plug 802 and preventing the spring 804 from deflecting, the spring 804 is sleeved outside the limiting rod 805, two ends of the spring 804 are respectively and fixedly connected with the bottom end surface of the plug 802 and the outer base plate 202, the plate surface of the outer base plate 202 near the first lower water hole is provided with a second lower water hole 807, when water is accumulated in the box body 2, the rainwater firstly flows into the downcomer 801, the plug 802 is pushed open under the action of gravity, so that the rainwater can flow into the space between the inner, when the caravan runs off water, if water enters from the second water drainage hole 807, the plug 802 can also plug the bottom opening of the water drainage pipe 801 under the action of buoyancy;

according to the requirement, the inner bottom plate 201 is provided with an inclination angle, and the first drainage hole is formed in the low-concave water accumulation part of the inner bottom plate 201, so that drainage is facilitated; in addition, the bottom end of the plug 802 extends outwards to form a floating edge 803, so that when water enters from the second sewer hole 807, the buoyancy borne by the plug 802 can be increased, and the plug 802 and the sewer pipe 801 are tightly sealed; a dust baffle 806 is arranged above the second lower water hole 807 to prevent dust from entering; the stopper 805 is a screw screwed to the outer bottom plate 202, and when weather is clear, the screw can be screwed upward to stop the plug 802.

The part of the utility model not detailed is prior art.

Claims

1. The utility model provides a motor stair for recreational vehicle with dewatering function, contains stair case, footboard link mechanism (7), electric cylinder (4) and the controlling means who controls electric cylinder (4) and open and close, the stair case contains box (2) and chamber door (6), the stair incasement is located in electric cylinder (4) and is used for driving footboard link mechanism (7) and chamber door (6) to close or expand its characterized in that: the pedal connecting rod mechanism (7) comprises a multi-stage pedal (701) and a first-stage triangular plate (702) directly driven to rotate by an electric pushing cylinder (4), the pedal (701) mainly comprises a plurality of convex plate (7011) and concave plate (7012) which are arranged at intervals, a plurality of water leakage holes (7013) are formed in the surface of the concave plate (7012), a first proximity switch (5) and a second proximity switch (3) which are used for detecting that the first-stage triangular plate (702) is rotated to be opened in place and rotated to be closed in place are arranged on the inner wall of the box body (2), and the first proximity switch (5) and the second proximity switch (3) are respectively in signal connection with a control device; the water draining device is characterized in that an inner bottom plate (201) and an outer bottom plate (202) are arranged at the bottom of the box body (2) at intervals, and a water draining device (8) capable of draining water from the inside of the box body (2) to the outside in a one-way mode is arranged between the inner bottom plate (201) and the outer bottom plate (202).

2. The electric stair for caravan with water removal function as claimed in claim 1, wherein: the water removing device (8) comprises a sewer pipe (801) and a plug (802), a first sewer hole is formed in the inner bottom plate (201), the outer wall of the top end of the sewer pipe (801) is installed in the first sewer hole in an adaptive mode, the top end of the plug (802) and the opening of the bottom end of the sewer pipe (801) are correspondingly sealed, a limiting rod (805) fixed on the outer bottom plate (202) is arranged below the plug (802), a spring (804) is sleeved outside the limiting rod (805), and two ends of the spring (804) are fixedly connected with the bottom end surface of the plug (802) and the outer bottom plate (202) respectively; the surface of the outer bottom plate (202) near the first lower water hole is provided with a second lower water hole (807).

3. The electric stair for the caravan with the water removal function as claimed in claim 2, wherein: interior bottom plate (201) are equipped with inclination, the low concave ponding department of interior bottom plate (201) is located to first lower water hole.

4. The electric stair for the caravan with the water removal function as claimed in claim 2, wherein: the bottom end of the plug (802) extends outwards to form a floating edge (803).

5. The electric stair for the caravan with the water removal function as claimed in claim 2, wherein: a dust baffle plate (806) is arranged above the second lower water hole (807).

6. The electric stair for the caravan with the water removal function as claimed in claim 2, wherein: the limiting rod (805) is provided with a screw in threaded connection with the outer bottom plate (202).

7. The electric stair for caravan with water removal function as claimed in claim 1, wherein: and a dryer (1) is arranged at the top end of the inner wall of the box body (2).

8. The electric stair for caravan with water removal function as claimed in claim 1, wherein: the box door (6) is a V-shaped structure with the middle part higher than two sides when unfolded.