CN221083154U - Push rod helping hand elevating gear - Google Patents
Push rod helping hand elevating gear Download PDFInfo
- Publication number
- CN221083154U CN221083154U CN202323286520.7U CN202323286520U CN221083154U CN 221083154 U CN221083154 U CN 221083154U CN 202323286520 U CN202323286520 U CN 202323286520U CN 221083154 U CN221083154 U CN 221083154U
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- rod
- push rod
- bar
- top end
- bottom plate
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- 230000003028 elevating effect Effects 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The application discloses a push rod power-assisted lifting device, which relates to the technical field of mechanical engineering and comprises two racks, wherein an electric push rod is connected to the middle position above the racks, a support rod is rotatably connected to the top end of the electric push rod, a slide rail is slidingly connected to the top end of the support rod, and a bottom plate is connected to the upper part of the slide rail; the plane four-bar mechanism is connected with the support bar hinge, the electric push rod drives the long bar and the short bar which are connected by the hinge to symmetrically rotate around the top end of the inclined long bar, the top end of the short bar slides along the sliding rail on the bottom plate, so that the lifting process of the bottom plate is completed, the upper bent bar and the lower bent bar are placed, a triangular structure is formed, the pressure born by the push rod is reasonably distributed, the push rod moves downwards, the obtuse angle formed by the long bar and the short bar is reduced, and the bottom plate can move upwards relative to the frame or the ground; the push rod moves upwards, the obtuse angle formed by the long rod and the short rod is increased, and the bottom plate can move downwards relative to the frame or the ground.
Description
Technical Field
The utility model belongs to the technical field of mechanical engineering, and particularly relates to a push rod power-assisted lifting device.
Background
The utility model provides an electric putter helping hand elevating gear is a technical solution who is used for lift-type seat, realizes the lift function of seat through electric putter mechanism. The electric push rod assistant lifting device has the characteristics of simplicity, stability and reliability, and can be applied to various seats, such as office chairs, dining chairs, automobile seats and the like.
In existing lift seat technology, hydraulic and electric systems are common lift mechanisms. However, hydraulic systems may be subject to hydraulic oil leakage, leaks, etc., and require maintenance and repair. The electric system requires power supply and complicated circuit control. Therefore, the electric push rod power-assisted lifting device provides a simplified and reliable seat lifting mechanism as a novel technical solution.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a push rod power-assisted lifting device, which solves the problems in the background art.
The technical scheme is as follows:
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
A push rod assisted lift device comprising:
The device comprises two frames, wherein an electric push rod is connected to the middle position above the frames, a supporting rod is rotatably connected to the top end of the electric push rod, a sliding rail is slidably connected to the top end of the supporting rod, and a bottom plate is connected to the upper part of the sliding rail;
the plane four-bar mechanism is connected with the support rod hinge.
In one possible implementation, the bottom plate has an included angle of 2.5 ° with the horizontal plane, and the two sides of the bottom plate are high on the left and low on the right.
In one possible implementation, the support bar includes a long bar and a short bar, and the long bar is 250mm in length and the short bar is 200mm in length.
In one possible implementation, the ends of the long rod and the short rod are connected with the top end of the electric push rod in a hinge mode;
The top end of the long rod is connected with the bottom plate in a hinge mode, and the top end of the short rod is connected with the sliding rail below the bottom plate in a sliding mode.
In one possible implementation, the planar four-bar mechanism includes an upper bent bar, a lower bent bar, and an inclined elongated bar.
In one possible implementation, the upper bent rod end is connected with the top end of the lower bent rod in a hinged manner, and the lower bent rod end is connected with the frame in a hinged manner;
The top end of the inclined long rod is connected with the long rod upwards by 150mm in a hinge mode, the 200mm upwards position of the inclined long rod is connected with the top end of the upper bent rod in a revolute pair mode, and the tail end of the inclined long rod is connected with the tail end of the electric push rod in a revolute pair mode.
In one possible implementation, the upper curved rod is concave downward, and the distance between the two holes, i.e., the centers of the circles, is 75mm, and the lower curved rod is convex upward, and the distance between the two holes, i.e., the centers of the circles, is 150mm.
Compared with the prior art, the utility model has the following beneficial effects: the telescopic operation of the electric push rod is controlled through the control handle, the button or other operation devices, the electric push rod drives the long rod and the short rod which are connected through the hinge to symmetrically rotate around the top end of the inclined long rod, the top end of the short rod slides along the sliding rail on the bottom plate, so that the lifting process of the bottom plate is completed, the upper bent rod and the lower bent rod are placed, a triangular structure is formed, the pressure born by the push rod is reasonably distributed, the push rod moves downwards, the obtuse angle formed by the long rod and the short rod is reduced, and the bottom plate can move upwards relative to the frame or the ground; the push rod moves upwards, the obtuse angle formed by the long rod and the short rod is increased, the bottom plate can move downwards relative to the frame or the ground, and the push rod power-assisted lifting device has the advantages of simple structure and reliable operation and does not need a complex circuit or a hydraulic system. The seat lifting device has lower maintenance cost and fewer wearing parts, and is suitable for seat lifting requirements in different scenes.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Reference numerals: 1. a short bar; 2. a slide rail; 3. bending the rod upwards; 4. a lower bent rod; 5. an electric push rod; 6. a frame; 7. an inclined long rod; 8. a long rod; 9. a bottom plate.
Detailed Description
The embodiment of the application solves the problems in the prior art by providing a push rod power-assisted lifting device.
The technical scheme in the embodiment of the application aims to solve the problems, and the overall thought is as follows:
Example 1:
The specific structure of this embodiment, as shown in fig. 1, is a push rod power-assisted lifting device, including:
The two frames 6, the upper middle position of the frame 6 is connected with the electric push rod 5, the top end of the electric push rod 5 is rotatably connected with a supporting rod, the top end of the supporting rod is slidably connected with the sliding rail 2, and the upper side of the sliding rail 2 is connected with the bottom plate 9;
The plane four-bar mechanism is connected with the support rod hinge.
In some examples, the bottom plate 9 is at an angle of 2.5 ° to the horizontal, and the bottom plate 9 is low on both sides.
In some examples, the support bar includes a long bar 8 and a short bar 1, and the long bar 8 is 250mm in length and the short bar 1 is 200mm in length.
In some examples the ends of the long rod 8 and the short rod 1 are both connected to the top end of the electric push rod 5 in the form of a hinge;
The top end of the long rod 8 is connected with the bottom plate 9 in a hinge mode, and the top end of the short rod 1 is connected with the sliding rail 2 below the bottom plate 9 in a sliding mode.
In some examples, the planar four bar mechanism includes an upper bent bar 3, a lower bent bar 4, and an angled elongated bar 7.
In some examples, the upper curved bar 3 is connected at its end to the top end of the lower curved bar 4 in a hinged manner, and the lower curved bar 4 is connected at its end to the frame 6 in a hinged manner;
The top end of the inclined long rod 7 is connected with the long rod 8 upwards by 150mm in a hinge mode, the upwards 200mm position of the inclined long rod 7 is connected with the top end of the upper bent rod 3 in a revolute pair mode, and the tail end of the inclined long rod 7 is connected with the tail end of the electric push rod 5 in a revolute pair mode.
In some examples, the upper curved bar 3 is concave downward with a distance between the two holes, i.e. the centers of the circles, of 75mm and the lower curved bar 4 is convex upward with a distance between the two holes, i.e. the centers of the circles, of 150mm.
It should be noted that, the present utility model is a push rod power-assisted lifting device, when in use, the extension and retraction of the electric push rod 5 are controlled by a control handle, a button or other operation devices, the electric push rod 5 drives the long rod 8 and the short rod 1 which are connected by a hinge to symmetrically rotate around the top end of the inclined long rod 7, the top end of the short rod 1 slides along the sliding rail 2 on the bottom plate 9, thus completing the lifting process of the bottom plate 9, the placement of the upper bending rod 3 and the lower bending rod 4 forms a triangle structure, the pressure born by the electric push rod 5 is reasonably distributed, the electric push rod 5 moves downwards, the obtuse angle formed by the long rod 8 and the short rod 1 is reduced, and the bottom plate 9 can move upwards relative to the frame 6 or the ground; the electric push rod 5 moves upwards, the obtuse angle formed by the long rod 8 and the short rod 1 is increased, and the bottom plate 9 can move downwards relative to the stand 6 or the ground.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (7)
1. A push rod assisted lift device, comprising:
The device comprises two frames (6), wherein an electric push rod (5) is connected to the middle position above the frames (6), a supporting rod is rotatably connected to the top end of the electric push rod (5), a sliding rail (2) is slidably connected to the top end of the supporting rod, and a bottom plate (9) is connected to the upper side of the sliding rail (2);
the plane four-bar mechanism is connected with the support rod hinge.
2. A push rod assisted lift device as set forth in claim 1 wherein: the included angle between the bottom plate (9) and the horizontal plane is 2.5 degrees, and the two sides of the bottom plate (9) are high and low.
3. A push rod assisted lift device as set forth in claim 1 wherein: the support rod comprises a long rod (8) and a short rod (1), the length of the long rod (8) is 250mm, and the length of the short rod (1) is 200mm.
4. A push rod assisted lift device as set forth in claim 3 wherein: the tail ends of the long rod (8) and the short rod (1) are connected with the top end of the electric push rod (5) in a hinge mode;
The top end of the long rod (8) is connected with the bottom plate (9) in a hinged mode, and the top end of the short rod (1) is connected with the sliding rail (2) below the bottom plate (9) in a sliding mode.
5. A push rod assisted lift device as set forth in claim 1 wherein: the plane four-bar mechanism comprises an upper bent bar (3), a lower bent bar (4) and an inclined long bar (7).
6. A push rod assisted lift device as set forth in claim 5 wherein: the tail end of the upper bending rod (3) is connected with the top end of the lower bending rod (4) in a hinge mode, and the tail end of the lower bending rod (4) is connected with the frame (6) in a hinge mode;
The top end of the inclined long rod (7) is connected with the long rod (8) upwards by 150mm in a hinge mode, the position of the inclined long rod (7) upwards by 200mm is connected with the top end of the upper bent rod (3) in a revolute pair mode, and the tail end of the inclined long rod (7) is connected with the tail end of the electric push rod (5) in a revolute pair mode.
7. A push rod assisted lift device as set forth in claim 5 wherein: the upper bending rod (3) is concave downwards, the distance between two holes, namely the circle centers, is 75mm, the lower bending rod (4) is convex upwards, and the distance between the two holes, namely the circle centers, is 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323286520.7U CN221083154U (en) | 2023-12-04 | 2023-12-04 | Push rod helping hand elevating gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323286520.7U CN221083154U (en) | 2023-12-04 | 2023-12-04 | Push rod helping hand elevating gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221083154U true CN221083154U (en) | 2024-06-07 |
Family
ID=91303650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323286520.7U Active CN221083154U (en) | 2023-12-04 | 2023-12-04 | Push rod helping hand elevating gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221083154U (en) |
-
2023
- 2023-12-04 CN CN202323286520.7U patent/CN221083154U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |