CN213354262U - Folding slope plate device - Google Patents

Abstract

A folding slope plate device comprises a box body, wherein the front end of the box body is provided with a port, a mounting seat capable of sliding back and forth is mounted in the box body, and the front part of the mounting seat is connected with a slope plate assembly capable of being contained in the box body; the slope plate assembly comprises a first slope plate and a second slope plate which are arranged in a stacked mode, the rear end of the first slope plate is hinged with the rear end of the second slope plate, and the rear end of the second slope plate is hinged to the mounting seat; the port is provided with a cover plate which is hinged with the box body and used for opening and closing the cover plate; when the mounting seat moves to the front end of the box body, the slope plate component extends out of the box body. The utility model discloses folding ramp device when needs carry out accessible riding, can take out the ramp subassembly from the box body, then expand two ramps, and a ramp falls to the ground, and on another ramp took the carriage interior floor, form the ramp and supply the wheelchair to get on or off the bus, simple structure, low cost, convenient to use, the ramp that stretches out the back and expand is difficult to the withdrawal, remain stable, safe and reliable.

Description

Folding slope plate device

Technical Field

The utility model belongs to the auto-parts field especially relates to a folding ramp device.

Background

The bus is an important part of urban public transport, the floor of a carriage in the bus is at a higher position compared with the ground, and in order to enable passengers to get on or off the bus conveniently, the bus is provided with a step plate at a bus door, so that two layers of steps are formed. The wheelchair is usually required to be taken by people with inconvenient actions for going out, and when the people take the bus, the wheelchair cannot enter the carriage through the two steps, so that the people with inconvenient actions take the bus very inconveniently.

For solving the inconvenient problem of taking a bus of wheelchair, the platform that can go up and down in door department has appeared and has been installed, and as the accessible device of taking a bus, through pushing down the wheelchair on the platform, rise to the interior floor height of carriage to in pushing into the car with the wheelchair, the device structure is comparatively complicated, and is with high costs, and electrical equipment is more in the device moreover, and operational reliability is relatively poor, the accident that the platform falls probably takes place, and the security is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the current accessible device structure complicacy with high costs and the equal relatively poor problem of reliability and security by bus, provide a simple structure and use reliable folding ramp device.

In order to achieve the above object, the utility model discloses a technical scheme be:

a folding slope plate device comprises a box body, wherein the front end of the box body is provided with a port, a mounting seat capable of sliding back and forth is mounted in the box body, and the front part of the mounting seat is connected with a slope plate assembly capable of being contained in the box body;

the slope plate assembly comprises a first slope plate and a second slope plate which are arranged in a stacked mode, the rear end of the first slope plate is hinged with the rear end of the second slope plate, and the rear end of the second slope plate is hinged to the mounting seat;

the port is provided with a cover plate, and the cover plate is hinged with the box body and used for opening and closing the cover plate;

when the mounting seat moves to the front end of the box body, the slope plate component extends out of the box body.

Preferably, the mounting seat comprises a seat body and a swing frame hinged to the front end of the seat body and capable of extending out of the box body, and the second slope plate is hinged to the front end of the swing frame.

Preferably, a supporting rod is arranged on one side of the seat body, extends to one side of the swing frame, and is hinged with a swing rod;

the swing rod is provided with a sliding groove, and one side of the swing frame is provided with a sliding block which is arranged in the sliding groove in a sliding mode.

Preferably, the rear end of the swing frame is provided with a driving plate, the front end of the inner wall of the box body is provided with a guide block, and the guide block is aligned with the driving plate in the horizontal direction so that the guide block contacts and pushes the driving plate backwards when the seat body moves to the front end of the box body, and the front end of the swing frame is tilted.

Preferably, the bottom end of the cover plate is hinged at the bottom of the port, and a reset torsion spring is arranged at the hinged position to enable the cover plate to be pressed on the port.

Preferably, one side of the box body is provided with a locking assembly, the locking assembly comprises a fixed plate and a movable plate which is hinged on the fixed plate and can swing up and down,

the cover plate is provided with a fixing pin, and the movable plate is provided with a fixing groove for the fixing pin to enter and is used for being hooked on the fixing pin;

the hinge joint of the fixed plate and the movable plate is provided with a locking torsion spring, and when the movable plate is hooked on the fixed pin, the locking torsion spring is in an elastic deformation state and is used for generating torsion to press and hold the movable plate on the fixed pin.

Preferably, a clamping groove capable of clamping the top end of the cover plate is formed in the bottom surface of the support rod arranged on one side of the seat body.

Preferably, the two sides of the mounting seat are provided with rollers, the rollers comprise a first roller and a second roller, the first roller is in rolling contact with the bottom surface of the inner wall of the box body, and the second roller is in rolling contact with the side surface of the inner wall of the box body.

Preferably, a support is arranged at the rear part in the box body, and a mandril capable of sliding back and forth is arranged in a mounting hole formed in the support;

the front end of the ejector rod is provided with a head, the rear end of the ejector rod is provided with a nut after penetrating through the mounting hole, the ejector rod is sleeved with a compression spring, one end of the compression spring abuts against the head, and the other end of the compression spring abuts against the manufacturing part;

when the slope plate component is positioned in the box body, the head part is propped against the mounting seat, and the compression spring is in a compression state.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model discloses folding ramp device when needs carry out accessible riding, can take out the ramp subassembly from the box body, then expand two ramps, and a ramp falls to the ground, and on another ramp took the carriage interior floor, form the ramp and supply the wheelchair to get on or off the bus, simple structure, low cost, convenient to use, the ramp that stretches out the back and expand is difficult to the withdrawal, remain stable, safe and reliable.

The port is provided with the cover plate which can be opened, so that the slope plate assembly can be locked in the box body, and the slope plate assembly is prevented from being separated from the box body by self to influence the running of a vehicle.

The slope board assembly is installed on the swing frame, and after the slope board assembly extends out of the box body, the height position of the slope board assembly can be increased along with upward swing of the swing frame, so that after the two slope boards of the slope board assembly are unfolded, the slope of the slope board is formed to be more gentle, and when the wheelchair gets on or off the wheelchair along the slope board, the wheelchair is easier to push and is safer.

After the slope plate assembly extends out of the box body, the swing rod can be pulled to drive the swing frame to tilt and fall, and the operation convenience is improved when the device is unfolded and folded.

The guide block can block the horizontal movement of the driving plate when the slope plate component extends out, so that the driving plate is pushed, the swing frame is tilted, the device is easier to unfold, and the use convenience of the device is improved.

The cover plate is turned downwards to open the port, so that after the slope plate assembly extends out, the cover plate is located below the slope plate, and the cover plate is prevented from blocking the slope plate assembly. The torsion spring is arranged between the cover plate and the port, so that the cover plate can be tightly pressed on the port by generating torsion under the condition that the cover plate is not subjected to external force, the box body is kept closed, and the cover plate is prevented from being pushed open by the slope plate component and automatically separated. The bottom surface of the supporting rod is provided with a clamping groove, the torsion of the spring can clamp the cover plate into the clamping groove, and therefore the mounting seat is limited in moving, after the slope plate component extends out, the mounting seat can provide stable support for the slope plate component, and stability of the slope way is improved.

The fly leaf of locking Assembly inserts on the fixed pin of apron, can hinder the apron and overturn forward, fixes the apron, locks the port, improves apron confined fastness.

The mount pad passes through gyro wheel and box body inner wall contact, improves the smoothness nature that the mount pad removed, when making the mount pad remove in the box body simultaneously, and the moving direction is more accurate.

The ejector pin of installation on the support in the box body can open the back at the apron, releases compression spring's elasticity, promotes the mount pad to the port for the stretching out speed of ramp subassembly makes the device can expand fast, so that put into accessible use fast.

Drawings

Fig. 1 is a schematic structural view of the folding ramp device of the present invention in an unfolded state;

FIG. 2 is a side view structural diagram of the folding ramp device of the present invention in the unfolded state;

FIG. 3 is a side sectional view of the foldable ramp device of the present invention in the unfolded state;

FIG. 4 is a schematic structural view of the foldable ramp device according to the present invention in the retracted state;

FIG. 5 is a first side cross-sectional view of the foldable ramp device of the present invention in the retracted state;

FIG. 6 is a second side sectional view of the foldable ramp device of the present invention in the retracted state;

fig. 7 is a schematic structural view of the mounting seat when the folding ramp device of the present invention is in the retracted state;

fig. 8 is a schematic structural view of the mounting seat when the folding ramp device of the present invention is in the unfolded state;

in the above figures: 1. a box body; 11. a port; 12. a cover plate; 13. a guide block; 14. a fixing pin; 15. a support; 16. mounting holes; 17. a top rod; 18. a head portion; 19. a nut; 2. a mounting seat; 21. a base body; 22. a swing frame; 23. a strut; 24. a swing rod; 25. a chute; 26. a slider; 27. a drive plate; 28. a card slot; 3. a ramp plate assembly; 31. a first ramp plate; 32. a second ramp plate; 41. a return torsion spring; 42. locking the torsion spring; 44. a compression spring; 5. a locking assembly; 51. a fixing plate; 52. a movable plate; 53. fixing grooves; 6. a roller; 61. a first roller; 62. a second roller.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 8, the utility model provides a folding ramp device, including box body 1, box body 1 installs on the chassis of door below.

The front end of the box body 1 is provided with a port 11, the mounting seat 2 is installed in the box body 1, and the mounting seat 2 can slide back and forth in the box body so as to be close to or far away from the port 11.

2 front connections of mount pad have ramp plate subassembly 3, and ramp plate subassembly 3 can be when mount pad 2 backward movement is terminal to the stroke, all take in box body 1, when mount pad 2 forward movement is terminal to the stroke, can all stretch out outside box body 1.

The ramp assembly 3 comprises a first ramp plate 31 and a second ramp plate 32, and the rear end of the first ramp plate 31 is hinged with the rear end of the second ramp plate 32, so that the first ramp plate 31 and the second ramp plate 32 can be unfolded and also can be stacked.

When the slope plate component 3 enters the box body 1, the first slope plate 31 and the second slope plate 32 are arranged in a stacked mode.

The rear end of the second ramp 32 is hinged to the mounting block 2 so that the ramp assembly 3 is connected to the mounting block 2 while being able to swing relative to the mounting block 2.

A cover plate 12 is mounted on the port 11 for closing the port 11. To open and close the port 11, a cover 12 is hinged to the case 1.

As shown in fig. 4 to 6, when the folding ramp device is in the retracted state, the mounting seat 2 is located at the rear end of the travel thereof, i.e., at the rear of the box 1, the ramp assembly 3 is fully received in the box 1, and the cover plate 12 covers the port 11 to close the box 1.

When a barrier-free car is required to be driven, the cover plate 12 is turned over, the port 11 is opened, the slope plate assembly 3 is pulled out of the box body 1 manually, and the mounting seat 2 moves forwards to the tail end of the front stroke of the mounting seat, namely to the front end of the box body 1.

When the seat 2 is arranged at the front end of the box body 1, the slope plate assembly 3 extends out of the box body 1, the first slope plate 31 and the second slope plate 32 which are stacked are unfolded, the first slope plate 31 is in lap joint with the floor of a carriage, the second slope plate 32 falls on the ground, the unfolded state is shown in figures 1 to 3, the unfolded first slope plate 31 and the unfolded second slope plate 32 form a slope for connecting the floor of the carriage with the ground, and a wheelchair can get on and off along the slope to realize barrier-free riding.

The ramp is formed by unfolding a mechanical structure, and has simple structure and low cost. The slope plate component 3 can be pulled out from the box body 1 and unfolded for use, and the slope plate component is convenient to use and easy to operate.

When the folding ramp device is in the unfolding state, because the port 11 is provided with the limiting plate for blocking the mounting seat 2 from being separated from the box body 1, the unfolded first ramp 31 abuts against the port 11 to block the mounting seat 2 from moving backwards, so that the mounting seat 2 is kept stable in position, and when the vehicle gets on or off the ramp, the two unfolded ramps can be stably supported by the mounting seat 2, and the safety of the vehicle getting on or off the ramp is ensured.

In order to make the slope formed after unfolding more gentle, the mounting seat 2 comprises a seat body 21 and a swing frame 22.

The swing frame 22 is hinged at its rear end to the front end of the seat 21 and the second ramp 32 is hinged to the front end of the swing frame 22. The first ramp 31, the second ramp 32 and the swing frame 22 may be hinged on the same shaft.

When mount pad 2 removed to the front side stroke end, pedestal 21 removed to box body 1 front end, and outside the swing span 22 stretched out box body 1 completely, upwards swung to the state that inclines backward to improve the high position of two ramp connecting portions in the ramp subassembly 3, ramp subassembly 3 expandes the back, and the ramp of formation is gentler, and the wheelchair can be more light push into in the carriage, and the speed of gliding also can not be too fast when the wheelchair removed from the carriage.

In order to manually drive the swing frame 22 to swing, a support rod 23 is arranged on one side of the seat body 21, and the support rod 23 is horizontally arranged and extends to one side of the swing frame 22, so as to extend out of the box body 1 or be retracted into the box body 1.

The support rod 23 is hinged with a swing rod 24, the swing rod 24 is provided with a sliding groove 25, and one side of the swing frame 22 is provided with a sliding block 26 which is slidably arranged in the sliding groove 25.

When the supporting rod 23 extends out of the box body 1, the swing rod 24 is positioned outside the box body 1, and the swing frame 22 can be driven to swing through the sliding block 26 by manually pushing and pulling the swing rod 24.

When the slope plate component 3 needs to be retracted into the box body 1, the swing rod 24 is laid flat, so that the swing frame 22 can be laid flat and can be sent into the box body 1.

In order to quickly swing the swing frame 22 upward when the ramp block assembly 3 is extracted, the ramp block assembly 3 is raised, and a driving plate 27 is provided at the rear end of the swing frame 22.

When the folding ramp device is in the stowed state, the drive plate 27 is in the erected state. The front end of the inner wall of the box body 1 is provided with a guide block 13, and the guide block 13 is aligned with the driving plate 27 in the horizontal direction, so that during the process that the mounting seat 2 moves to the front stroke end, the guide block 13 contacts the driving plate 27, blocks the driving plate 27 from moving forward along with the mounting seat 2, pushes the driving plate 27 backwards, and puts down the driving plate 27, thereby enabling the swing frame 22 to swing upwards and rise.

When the swing frame 22 swings to a backward tilting state, the driving plate 27 horizontally falls on the base body 1 to support the swing frame 22, so as to prevent the swing frame 22 from tilting further backward, and to keep the swing frame 22 stable.

To prevent the cover 12 from obstructing the deployment of the ramp assembly 3 when the cover 12 is opened, the bottom end of the cover 12 is hinged to the bottom of the port 11 so that the cover 12 opens the port 11 by flipping down.

After the ramp component 3 is pulled out of the box body 1, the cover plate 12 is positioned below the ramp component 3, and the unfolding of the ramp component 3 is not hindered.

The hinge joint of the cover plate 12 and the port 11 is provided with a return torsion spring 41, when the cover plate 12 covers the port 11, the return spring 41 is in an elastic deformation state, and generates torsion to press the cover plate 12 on the port 11, so as to keep the box body 1 closed. When the cover 12 is turned down to open the port 11, the elastic deformation of the return spring 41 increases, and a larger torque is generated to push the cover 12 to the port 11, so that the opened cover 12 can be returned to the port 11 under the action of the return spring 41 to close the box 1.

In order to further keep the mounting base 2 stable after the slope board assembly 3 is pulled out of the box body 1, a clamping groove 28 capable of clamping the top end of the cover plate 12 is arranged on the bottom surface of the supporting rod 23 arranged on the side of the base body 21 of the mounting base 2.

When the mounting base 2 moves to the end of the front side stroke, the cover plate 12 is turned upwards under the action of the return spring 41 and clamped into the clamping groove 28, so that the cover plate 12 blocks the support rod 23 to move in the front-rear direction, the mounting base 2 keeps stable in position, the unfolded slope plate assembly keeps stable, and barrier-free getting on and off of the vehicle are smooth and safe.

In order to further improve the firmness of the cover plate 12 in the folded state, the locking assembly 5 is arranged on one side of the box body 1.

The locking assembly 5 includes a fixed plate 51 and a movable plate 52. The fixed plate 51 is fixedly installed on the box body 1, and the movable plate 52 is hinged on the fixed plate 51 so as to be capable of swinging up and down.

The cover plate 12 is provided with a fixing pin 14, and the movable plate 52 is provided with a fixing groove 53 into which the fixing pin 14 can be inserted.

When the opening of the fixing groove 53 is downward, the movable plate 52 falls, and the fixing pin 14 enters the fixing groove 53, the movable plate 52 hooks the fixing pin 14, so that the fixing pin 14 cannot move forward and backward, thereby preventing the cover plate 12 from swinging, keeping the cover plate on the port 11, and closing the box body 1.

The hinge joint of the fixed plate 51 and the movable plate 52 is provided with the locking torsion spring 42, when the movable plate 52 is hooked on the fixed pin 14, the locking torsion spring 42 is in an elastic deformation state, and generates torsion force to press the movable plate 52 on the fixed pin 14, so that the fixed pin 14 is difficult to be separated from the fixed slot 53, and the locking state of the cover plate 12 is maintained.

The movable plate 52 is lifted upward by an external force against the torsion force of the locking torsion spring 42, so that the fixing pin 14 is separated from the fixing groove 53, thereby unlocking the cover 12 and allowing the cover 12 to be turned over to open the port 11.

In order to make the mounting base 2 slide smoothly in the box body 1, rollers 6 are arranged on both sides of the mounting base 2.

The roller 6 includes a first roller 61 and a second roller 62.

The first roller 61 is in rolling contact with the bottom surface of the inner wall of the case 1, and the second roller 62 is in rolling contact with the side surface of the inner wall of the case 1.

The first roller 61 and the second roller 62 on each side of the mounting seat 2 are arranged at intervals.

The first rollers 61 on the two sides support the mounting base 2, so that the mounting base 2 keeps stable up and down, and cannot swing up and down in the moving process.

The second rollers 62 on the two sides respectively support the left side and the right side of the mounting base 2, so that the mounting base 2 keeps stable left and right, and does not swing left and right in the moving process.

In order to enable the ramp plate assembly 3 to be quickly separated from the box body 1 after the port 11 is opened by the cover body 12, a support 15 is arranged at the rear part in the box body 1, and a push rod 17 capable of sliding back and forth is installed in an installation hole 16 formed in the support 15.

The ejector rod 17 is of a bolt structure, the front end of the ejector rod is provided with a head 18, and the rear end of the ejector rod penetrates through the mounting hole 16 and is provided with a nut 19.

The top rod 17 is sleeved with a compression spring 44, one end of the compression spring 44 is propped against the head part 18, and the other end of the compression spring 44 is propped against the support 15.

When the folding ramp device is in a retracted state, and the ramp component 3 is positioned in the box body 1, the head 18 is pushed against the mounting seat 2, the compression spring 44 is in a compressed state, and generates elastic force to push the mounting seat 2 forward, so that the front end of the ramp component 3 is pushed against the cover body 12, the port 11 is sealed by the cover body 12, and the ramp component 3 is prevented from being pulled out of the box body 1 forward.

After the cover body 12 is opened, the slope plate component 3 stops being blocked, the elastic force of the compression spring 44 is released, the mounting seat 2 is pushed forwards, the mounting seat 2 moves forwards, the front part of the slope plate component 3 is sent out from the box body 1, a user can more easily hold the slope plate component 3, and the slope plate component 3 is quickly pulled out so as to be quickly put into the barrier-free use.

Claims (9)

1. The folding slope plate device is characterized by comprising a box body (1) with a port (11) arranged at the front end, wherein a mounting seat (2) capable of sliding back and forth is mounted in the box body (1), and the front part of the mounting seat (2) is connected with a slope plate component (3) capable of being contained in the box body (1);

the slope plate assembly (3) comprises a first slope plate (31) and a second slope plate (32) which are arranged in a stacked mode, the rear end of the first slope plate (31) is hinged with the rear end of the second slope plate (32), and the rear end of the second slope plate (32) is hinged to the mounting seat (2);

a cover plate (12) is arranged on the port (11), and the cover plate (12) is hinged with the box body (1) and used for opening and closing the cover plate (12);

when the mounting seat (2) moves to the front end of the box body (1), the slope plate component (3) extends out of the box body (1).

2. A folding ramp device according to claim 1, characterised in that the mounting seat (2) comprises a seat body (21) and a swing frame (22) hinged to the front end of the seat body (21) and able to extend outside the box body (1), the second ramp (32) being hinged to the front end of the swing frame (22).

3. A folding ramp device according to claim 2, characterised in that the seat body (21) is provided with a strut (23) on one side, the strut (23) extending to one side of the swing frame (22) and being hinged with a swing link (24);

a sliding groove (25) is formed in the swing rod (24), and a sliding block (26) is arranged on one side of the swing frame (22) and is slidably mounted in the sliding groove (25).

4. The folding ramp device according to claim 2, characterized in that the swing frame (22) is provided with a driving plate (27) at the rear end, the box body (1) is provided with a guide block (13) at the front end of the inner wall, and the guide block (13) is horizontally aligned with the driving plate (27) so that the guide block (13) contacts and pushes the driving plate (27) backwards when the seat body (21) moves to the front end of the box body (1) to tilt the front end of the swing frame (22).

5. A folding ramp device according to claim 1, characterised in that the cover plate (12) is hinged at its bottom end to the port (11) and that a return torsion spring (41) is mounted at the hinge to press the cover plate (12) against the port (11).

6. A folding ramp device according to claim 2, characterised in that the bottom surface of the support rod (23) arranged on one side of the seat body (21) is provided with a clamping groove (28) which can clamp the top end of the cover plate (12) therein.

7. The folding ramp device according to claim 1, characterized in that a locking component (5) is installed on one side of the box body (1), the locking component (5) comprises a fixed plate (51) and a movable plate (52) which is hinged on the fixed plate (51) and can swing up and down,

the cover plate (12) is provided with a fixing pin (14), the movable plate (52) is provided with a fixing groove (53) which can enable the fixing pin (14) to enter, and the fixing pin (14) is hooked on the fixing pin (14);

the hinge joint of the fixed plate (51) and the movable plate (52) is provided with a locking torsion spring (42), and when the movable plate (52) is hooked on the fixing pin (14), the locking torsion spring (42) is in an elastic deformation state and is used for generating torsion to press and hold the movable plate (52) on the fixing pin (14).

8. A folding ramp device according to claim 1, characterised in that rollers (6) are provided on both sides of the mounting seat (2), the rollers (6) comprising a first roller (61) and a second roller (62), the first roller (61) being in rolling contact with the bottom surface of the inner wall of the box (1) and the second roller (62) being in rolling contact with the side surface of the inner wall of the box (1).

9. The folding ramp device according to claim 1, characterized in that a support (15) is arranged at the rear part in the box body (1), and a push rod (17) capable of sliding back and forth is arranged in a mounting hole (16) formed in the support (15);

the front end of the ejector rod (17) is provided with a head part (18), the rear end of the ejector rod (17) penetrates through the mounting hole (16) and then is provided with a nut (19), the ejector rod (17) is sleeved with a compression spring (44), one end of the compression spring (44) abuts against the head part (18), and the other end of the compression spring (44) abuts against the support (15);

when the slope plate component (3) is positioned in the box body (1), the head (18) is propped against the mounting seat (2), and the compression spring (44) is in a compression state.

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