CN215944434U - Pneumatic foldable getting-on step and opening mechanism - Google Patents
Pneumatic foldable getting-on step and opening mechanism Download PDFInfo
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- CN215944434U CN215944434U CN202121607505.6U CN202121607505U CN215944434U CN 215944434 U CN215944434 U CN 215944434U CN 202121607505 U CN202121607505 U CN 202121607505U CN 215944434 U CN215944434 U CN 215944434U
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Abstract
The utility model discloses a pneumatic foldable getting-on step and opening mechanism which comprises a fixed frame connected to a vehicle body, wherein the fixed frame is connected with a cylinder and a step assembly, a cylinder body of the cylinder is connected to the fixed frame, a piston rod of the cylinder drives the step assembly to act through a transmission piece, the step assembly comprises a first step, a second step and a connecting group, and the connecting group comprises a first connecting frame, a second connecting frame and a third connecting frame. According to the utility model, the cylinder and the stepping assembly are arranged, and the cylinder is utilized to drive the stepping assembly to retract and release, so that a driver can get on or off the vehicle conveniently, and the stepping assembly can be recovered, thereby ensuring that the whole vehicle has a larger approach angle and ensuring the performance of the vehicle.
Description
Technical Field
The utility model belongs to the field of automobile accessories, and particularly relates to a pneumatic foldable boarding stepping and opening mechanism.
Background
At present, special purpose vehicles such as domestic and foreign off-road vehicles, fire trucks and the like have high requirements on the trafficability of the whole vehicle, and a cab has high ground clearance, and all the special purpose vehicles need to be provided with boarding steps. However, the common boarding steps are mostly fixed boarding steps and hanging boarding steps, the fixed boarding steps cannot be folded, the approach angle of the whole vehicle and the boarding convenience of passengers cannot be simultaneously considered, and the hanging boarding steps swing easily in the boarding process, so that certain potential safety hazards exist when the hanging boarding steps are used on off-road roads.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pneumatic foldable boarding and opening mechanism, which ensures the convenience of getting on and off a passenger and the trafficability of the whole vehicle and also ensures the use safety of the passenger.
The technical scheme adopted by the utility model is as follows:
the utility model provides a pneumatic collapsible getting on bus is marked time and opening mechanism, is including connecting in the mount of automobile body, the mount is connected with cylinder and the subassembly of marking time.
The cylinder body of cylinder is connected in the mount, and the piston rod of cylinder passes through the driving medium and drives the subassembly action of marking time.
The stepping assembly comprises a first-stage stepping, a second-stage stepping and a connecting group.
The connecting group comprises a first connecting frame, a second connecting frame and a third connecting frame, and the upper end of the first connecting frame is rotatably connected to the fixed frame through a first fixed shaft; the lower end of the first connecting frame is hinged to two sides of the rear end (the rear end is one end close to the cylinder) of the second-stage step, the upper end of the second connecting frame is rotatably connected to the fixing frame through a second fixing shaft, the middle end of the second connecting shaft is hinged to two sides of the middle part of the second-stage step, and the lower end of the second connecting frame is hinged to two sides of the rear end of the first-stage step; the upper end of the third connecting frame is hinged to two sides of the front end of the second-stage step, and the lower end of the third connecting frame is hinged to two sides of the middle of the first-stage step.
Through setting up the cylinder and marking time the subassembly, utilize the cylinder to drive the subassembly of marking time and receive and release, not only make things convenient for the driver to get on or off the bus, the subassembly of marking time can be retrieved moreover, guarantees that the whole great angle of approach that has of vehicle guarantees the performance of vehicle.
Further, the first connecting frame comprises two first connecting rods, and the two first connecting rods are connected through a first stabilizing frame; the second connecting frame comprises two second connecting rods, and the two second connecting rods are connected through a second stabilizing frame and a third stabilizing frame; the third connecting frame comprises two third connecting rods, and the two third connecting rods are connected through a fourth stabilizing frame; the first stabilizing frame, the second stabilizing frame, the third stabilizing frame and the fourth stabilizing frame are all in an I shape, and the structure maximally reduces the weight on the premise of ensuring the mechanical property. Through setting up a plurality of steady rests for a plurality of link become a whole, for two traditional poles, the holistic mechanical properties of link is better, and stability is high when not only trampling, and is not fragile still, has longer life.
Further, the second stabilizer is arranged on the upper side of the second-stage stepping, the third stabilizer is arranged on the lower side of the second-stage stepping, and the second connecting frame is longer, so that the stress intensity of the second connecting frame can be guaranteed by the two stabilizers.
Further, the driving medium includes connecting axle and pull rod, the mount is equipped with the slot hole, connecting axle sliding connection in slot hole, the one end of pull rod is rotated and is connected in the connecting axle, and the other end of pull rod articulates in the middle part of first steady rest, the slot hole sets up along the flexible direction of piston rod. Make the pull rod connect in the middle part of first steady rest, guarantee the even atress in both sides of link, avoid because one end atress too big leads to marking time and takes place the slope, and then influence the use.
Further, the one end that the subassembly of marking time was kept away from to the mount is connected with the tip mounting panel, through setting up the tip mounting panel, can utilize the tip mounting panel to install the mount.
Further, the top of mount is connected with a plurality of top mounting panels, through setting up the top mounting panel, can utilize the top mounting panel to install the mount.
Further, the cylinder is connected with controlling means, can detect the open mode of door to cylinder piston rod extension when the door is opened, the piston rod withdraws when the door is closed, the one-level is marked time and the second grade is marked time and all is provided with anti-skidding groove, through increasing the second link, can increase tertiary and mark time, makes the getting on the bus mark time can be applicable to different motorcycle types.
The utility model has the following beneficial effects:
1. according to the utility model, the cylinder and the stepping assembly are arranged, and the cylinder is utilized to drive the stepping assembly to retract and release, so that a driver can get on or off the vehicle conveniently, and the stepping assembly can be recovered, thereby ensuring that the whole vehicle has a larger approach angle and ensuring the performance of the vehicle.
2. According to the utility model, the plurality of connecting frames are integrated by arranging the plurality of stabilizing frames, compared with the traditional two rods, the connecting frame has better overall mechanical property, high stability during treading, difficulty in damage and longer service life.
3. The utility model ensures the convenience and safety of passengers getting on the vehicle and the trafficability of the whole vehicle; the pull rod type double acting cylinder and the vehicle door are opened or closed synchronously, and one-key control can be realized; the stepping level can be adjusted according to the requirement, and the stepping mechanism can be applied to vehicles with a larger distance from the cab to the ground.
Drawings
FIG. 1 is a schematic view of the step-open configuration of the present invention;
FIG. 2 is a schematic view of the step folding structure of the present invention;
FIG. 3 is a schematic structural view of the first link frame of FIG. 1;
FIG. 4 is a schematic structural view of the second link frame of FIG. 1;
FIG. 5 is a schematic structural view of the third connecting frame of FIG. 1;
FIG. 6 is a schematic view of the present invention assembled in a cab with the step open;
FIG. 7 is a schematic view of the utility model assembled in a cab step folded stow;
FIG. 8 is a schematic view of the installation and functional extensions of the present invention;
FIG. 9 is a schematic view of the utility model extended to a triple step with the step folded and collapsed.
1-a fixed mount; 2-a cylinder; 3-connecting the shaft; 4-a pull rod; 51-a first fixed shaft; 52-a second fixed axis; 6-a first connecting frame; 61-a first link; 62-a first stabilizer; 7-secondary stepping; 8-a second link; 81-a second link; 82-a second stabilizer; 83-a third stabilizer; 9-a third connecting frame; 91-a third link; 92-a fourth stabilizer; 10-first-stage stepping; 11-end mounting plate; 12-a top mounting plate; 13-long hole.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Functional details disclosed herein are merely illustrative of example embodiments of the utility model. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the utility model. When the terms "comprises," "comprising," "includes," and/or "including" are used herein, they specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
Example 1:
as shown in figure 1, the pneumatic foldable getting-on step and opening mechanism comprises a fixed frame 1 connected to a vehicle body, wherein the fixed frame 1 is connected with a cylinder 2 and a step assembly.
The cylinder body of the cylinder 2 is connected to the fixing frame 1, and the piston rod of the cylinder 2 drives the stepping assembly to act through the transmission piece.
The stepping assembly comprises a first-stage stepping 10, a second-stage stepping 7 and a connecting group.
The connecting group comprises a first connecting frame 6, a second connecting frame 8 and a third connecting frame 9, and the upper end of the first connecting frame 6 is rotatably connected to the fixed frame 1 through a first fixed shaft 51; the lower end of the first connecting frame 6 is hinged to two sides of the rear end (the rear end is one end close to the cylinder 2) of the secondary step 7, the upper end of the second connecting frame 8 is rotatably connected to the fixed frame 1 through a second fixed shaft 52, the middle end of the second connecting shaft 3 is hinged to two sides of the middle part of the secondary step, and the lower end of the second connecting frame 8 is hinged to two sides of the rear end of the primary step 10; the upper end of the third connecting frame 9 is hinged to two sides of the front end of the second-stage step 7, and the lower end of the third connecting frame 9 is hinged to two sides of the middle of the first-stage step 10.
Through setting up cylinder 2 and the subassembly of marking time, utilize cylinder 2 to drive the subassembly of marking time and receive and release, not only make things convenient for the driver to get on or off the bus, the subassembly of marking time can be retrieved moreover, guarantees that the whole great angle of approach that has of vehicle guarantees the performance of vehicle.
Example 2:
as shown in fig. 1-9, a pneumatic foldable boarding step and opening mechanism comprises a fixed frame 1 connected to a vehicle body, wherein the fixed frame 1 is connected with a cylinder 2 and a step component.
The cylinder body of the cylinder 2 is connected to the fixing frame 1, and the piston rod of the cylinder 2 drives the stepping assembly to act through the transmission piece.
The stepping assembly comprises a first-stage stepping 10, a second-stage stepping 7 and a connecting group.
The connecting group comprises a first connecting frame 6, a second connecting frame 8 and a third connecting frame 9, and the upper end of the first connecting frame 6 is rotatably connected to the fixed frame 1 through a first fixed shaft 51; the lower end of the first connecting frame 6 is hinged to two sides of the rear end (the rear end is one end close to the cylinder 2) of the secondary step 7, the upper end of the second connecting frame 8 is rotatably connected to the fixed frame 1 through a second fixed shaft 52, the middle end of the second connecting shaft 3 is hinged to two sides of the middle part of the secondary step 7, and the lower end of the second connecting frame 8 is hinged to two sides of the rear end of the primary step 10; the upper end of the third connecting frame 9 is hinged to two sides of the front end of the second-stage step 7, and the lower end of the third connecting frame 9 is hinged to two sides of the middle of the first-stage step 10.
Through setting up cylinder 2 and the subassembly of marking time, utilize cylinder 2 to drive the subassembly of marking time and receive and release, not only make things convenient for the driver to get on or off the bus, the subassembly of marking time can be retrieved moreover, guarantees that the whole great angle of approach that has of vehicle guarantees the performance of vehicle.
The first connecting frame 6 includes two first connecting rods 61, and the two first connecting rods 61 are connected by a first stabilizer 62.
The second connecting frame 8 includes two second connecting rods 81, and the two second connecting rods 81 are connected by a second stabilizer 82 and a third stabilizer 83.
The third connecting frame 9 includes two third connecting rods 91, and the two third connecting rods 91 are connected by a fourth stabilizer 92.
The first stabilizer 62, the second stabilizer 82, the third stabilizer 83 and the fourth stabilizer 92 are all in an i shape, and the structure maximally reduces the weight on the premise of ensuring the mechanical property.
Through setting up a plurality of steady rests for a plurality of link become a whole, for two traditional poles, the holistic mechanical properties of link is better, and stability is high when not only trampling, and is not fragile still, has longer life.
The second stabilizer 82 is disposed on the upper side of the second-stage step 7, and the third stabilizer 83 is disposed on the lower side of the second-stage step 7.
Because second link 8 is longer, set up two steady rests and can guarantee the stress intensity of second link 8.
The driving medium includes connecting axle 3 and pull rod 4, mount 1 is equipped with slot hole 13, connecting axle 3 sliding connection in slot hole 13, the one end of pull rod 4 rotates to be connected in connecting axle 3, and the other end of pull rod 4 articulates in the middle part of first steady rest 62.
The long hole 13 is provided along the extending and retracting direction of the piston rod.
Make pull rod 4 connect in the middle part of first steady rest 62, guarantee the even atress in both sides of link, avoid because one end atress too big leads to marking time to take place the slope, and then influence the use.
One end of the fixing frame 1, which is far away from the stepping assembly, is connected with an end mounting plate 11.
By providing the end mounting plate 11, the mount 1 can be mounted by using the end mounting plate 11.
The top of the fixing frame 1 is connected with a plurality of top mounting plates 12.
By providing the top mounting plate 12, the mount 1 can be mounted using the top mounting plate 12.
The cylinder 2 is connected with the control device, can detect the opening state of the vehicle door, and the piston rod of the cylinder 2 extends when the vehicle door is opened and retracts when the vehicle door is closed.
The first-stage step 10 and the second-stage step 7 are both provided with anti-skidding grooves.
Through increasing second link 8, can increase tertiary the marking time for get on the bus and mark time and can be applicable to different motorcycle types.
The specific working principle is as follows:
when the vehicle door is opened, a piston rod of the cylinder 2 extends, the piston rod extends out and drives the pull rod 4 to move, the pull rod 4 drives the first connecting rod 61 to be opened, the second connecting rod 81 is driven to be opened through the secondary step 7, the second connecting rod 81 drives the primary step 10 and the third connecting rod 91 to be opened, and the getting-on step is opened.
When the car door is closed, the piston rod of the cylinder 2 is retracted, the piston rod drives the pull rod 4 to move, the pull rod 4 drives the first connecting rod 61 to retract, the second connecting rod 81 is driven to retract through the second-stage step 7, the first-stage step 10 and the third connecting rod 91 are driven by the second connecting rod 81 to retract, and the getting-on step folding is realized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the utility model, which is defined in the claims, and which the description is intended to be interpreted accordingly.
Claims (8)
1. The utility model provides a pneumatic collapsible getting on bus is marked time and opening mechanism which characterized in that: the device comprises a fixed frame (1) connected with a vehicle body, wherein the fixed frame (1) is connected with a cylinder (2) and a stepping assembly;
the cylinder body of the cylinder (2) is connected to the fixed frame (1), and the piston rod of the cylinder (2) drives the stepping assembly to act through the transmission piece;
the step assembly comprises a first-stage step (10), a second-stage step (7) and a connecting group;
the connecting group comprises a first connecting frame (6), a second connecting frame (8) and a third connecting frame (9), the upper end of the first connecting frame (6) is rotatably connected to the fixed frame (1) through a first fixed shaft (51), and the lower end of the first connecting frame (6) is hinged to two sides of the rear end of the second-stage step (7); the upper end of the second connecting frame (8) is rotatably connected to the fixed frame (1) through a second fixed shaft (52), the middle end of the second connecting shaft (3) is hinged to two sides of the middle of the second-stage step, and the lower end of the second connecting frame (8) is hinged to two sides of the rear end of the first-stage step (10); the upper end of the third connecting frame (9) is hinged to the two sides of the front end of the second-level step (7), and the lower end of the third connecting frame (9) is hinged to the two sides of the middle of the first-level step (10).
2. The pneumatic collapsible step and open mechanism of entering a vehicle of claim 1, wherein: the first connecting frame (6) comprises two first connecting rods (61), and the two first connecting rods (61) are connected through a first stabilizing frame (62);
the second connecting frame (8) comprises two second connecting rods (81), and the two second connecting rods (81) are connected through a second stabilizing frame (82) and a third stabilizing frame (83);
the third connecting frame (9) comprises two third connecting rods (91), and the two third connecting rods (91) are connected through a fourth stabilizing frame (92).
3. The pneumatically collapsible step and open mechanism of entering a vehicle of claim 2, wherein: the first stabilizer (62), the second stabilizer (82), the third stabilizer (83) and the fourth stabilizer (92) are all in an I shape.
4. The pneumatically collapsible step and open mechanism of entering a vehicle of claim 2, wherein: the second stabilizing frame (82) is arranged on the upper side of the second-level step (7), and the third stabilizing frame (83) is arranged on the lower side of the second-level step (7).
5. The pneumatic collapsible step and open mechanism of entering a vehicle of claim 1, wherein: the driving medium includes connecting axle (3) and pull rod (4), mount (1) is equipped with slot hole (13), connecting axle (3) sliding connection in slot hole (13), the one end of pull rod (4) is rotated and is connected in connecting axle (3), and the other end of pull rod (4) articulates in the middle part of first steady rest (62).
6. The pneumatic collapsible step and open mechanism of entering a vehicle of claim 1, wherein: one end of the fixing frame (1) far away from the stepping assembly is connected with an end mounting plate (11).
7. The pneumatic collapsible step and open mechanism of entering a vehicle of claim 1, wherein: the top of the fixed frame (1) is connected with a plurality of top mounting plates (12).
8. The pneumatic collapsible step and open mechanism of entering a vehicle of claim 1, wherein: the first-stage step (10) and the second-stage step (7) are both provided with anti-skidding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121607505.6U CN215944434U (en) | 2021-07-15 | 2021-07-15 | Pneumatic foldable getting-on step and opening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121607505.6U CN215944434U (en) | 2021-07-15 | 2021-07-15 | Pneumatic foldable getting-on step and opening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215944434U true CN215944434U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121607505.6U Active CN215944434U (en) | 2021-07-15 | 2021-07-15 | Pneumatic foldable getting-on step and opening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215944434U (en) |
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- 2021-07-15 CN CN202121607505.6U patent/CN215944434U/en active Active
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