CN218642371U - Lifting structure and lifting frame with same - Google Patents
Lifting structure and lifting frame with same Download PDFInfo
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- CN218642371U CN218642371U CN202223075643.1U CN202223075643U CN218642371U CN 218642371 U CN218642371 U CN 218642371U CN 202223075643 U CN202223075643 U CN 202223075643U CN 218642371 U CN218642371 U CN 218642371U
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Abstract
A lifting structure and a lifting frame comprising the same are disclosed, wherein a screw rod, two connecting seats, an upper supporting structure and a lower supporting structure are arranged on the screw rod; the upper ends of the two upper supporting rods share the upper end seat, an isosceles triangle is formed between the upper supporting rods and the screw rod, the upper end seat is fixed on one side of the top frame, and due to the stability characteristic of the triangle, the structure can powerfully support the top frame, and meanwhile, the side of the top frame is only provided with the fulcrum, so that the side is only stressed, and the phenomenon that the two sides are uneven is avoided; the lower ends of the two lower support rods share the lower end seat, the lower end seat is fixed on one side of the bottom frame, the structure can powerfully support the middle frame, and the lower support rods are equal in length, so that the middle frame cannot have uneven two sides, and further the balance of the top frame can be ensured; the end parts of the two upper supporting rods and the lower supporting rods, which are connected with the end seat, are provided with the meshing parts, so that the upper supporting rods can be ensured to be synchronous through the meshing parts when the lifting is carried out, the lower supporting rods are synchronous, the supporting rods and the lead screws are ensured to be uniformly stressed, and the service life is prolonged.
Description
The technical field is as follows:
the utility model belongs to the technical field of the frame goes up and down, what mainly related to is a lift structure and contain the lifting frame of this structure.
The background art comprises the following steps:
the patent number is ZL.202011334940.6, the name is a jacking frame construction and patent document who uses discloses a jacking structure, as shown in fig. 1 and 2, this structure passes through the screw and cooperates with the nut on the connecting seat, the connecting seat is connected with last frame and underframe through vaulting pole and end seat respectively, it rotates to drive the screw through the motor, the screw drives the connecting seat and removes, and then accomplishes the frame and go up and down, but this elevation structure has following defect in production and use:
firstly, the screw rod used in the above application has a positive thread and a negative thread, so that the screw rod is troublesome to machine, and the critical points of the positive and negative threads are difficult to control;
second, this jacking structure adopts two connecting seats, and the upper end and the lower extreme of connecting seat all are connected with the both sides of last frame and the both sides of underframe through vaulting pole and end seat, because have two strong points on the homonymy of last frame and underframe respectively, if these two strong points can not go up and down in step, just go out the problem that the left and right sides frame is uneven easily.
The utility model has the following contents:
in order to overcome the defects, the utility model provides a lifting structure and a lifting frame with the same.
The utility model provides a technical scheme that its technical problem adopted:
a lifting structure comprising:
a lead screw driven by a motor;
the middle parts of the two connecting seats are respectively provided with a nut, the internal thread threading of the two nuts is opposite, and the two nuts are in threaded connection with the lead screw;
an upper support structure, the upper support structure comprising:
an upper end seat;
one end of the first upper supporting rod is hinged with the upper end of the connecting seat, and the other end of the first upper supporting rod is rotatably connected with the upper end seat;
one end of the second upper supporting rod is hinged with the upper end of the other connecting seat, and the other end of the second upper supporting rod is rotatably connected with the upper end seat;
a lower support structure, the lower support structure comprising:
a lower end seat;
one end of the first lower support rod is hinged with the lower end of the connecting seat, and the other end of the first lower support rod is rotatably connected with the lower end seat;
one end of the second lower stay bar is hinged with the lower end of the other connecting seat, and the other end of the second lower stay bar is rotatably connected with the lower end seat;
the first upper supporting rod and the second upper supporting rod are equal in length, and an engaging part is arranged at one end of the upper end seat where the two upper supporting rods are arranged; the first lower supporting rod and the second lower supporting rod are equal in length, and one end of the lower end seat where the two lower supporting rods are located is provided with an engaging part.
The upper ends of the first upper supporting rod and the second upper supporting rod are respectively provided with a hole, a bearing is arranged in each hole, the bearing is sleeved on a connecting shaft, and the connecting shaft is arranged on the upper end seat.
The lower ends of the first lower supporting rod and the second lower supporting rod are respectively provided with a hole, a bearing is arranged in each hole, the bearing is sleeved on a connecting shaft, and the connecting shaft is arranged on the lower end base.
A lifting frame comprises
Three sets of lifting structures are respectively arranged on three side surfaces of the frame;
the top frame is rectangular and horizontally arranged, and an upper end seat of the lifting structure is arranged in the top frame;
the middle frame is rectangular and horizontally arranged, the screw rods of the lifting structure are arranged in the middle frame, and the end parts of the two screw rods are connected through a bevel gear;
the underframe is a rectangle and is horizontally placed, the lower end seat of the lifting structure is installed in the underframe, and the upper end seat and the lower end seat are corresponding in position.
One end of the screw rod extends out of the middle frame, and a handle is arranged at the end part of the screw rod.
Due to the adoption of the technical scheme, the utility model has the advantages that:
the utility model provides a lifting structure and contain lifting frame of this structure, the upper end of two upper stay bars shares the upper end seat, form isosceles triangle between upper stay bar and the lead screw, the upper end seat is fixed on one side of the top frame, because of the characteristic of triangle stability, this structure can support the top frame powerfully, at the same time, this side of the top frame has this fulcrum only, so this side is forced only, the phenomenon that both sides are uneven can not appear;
similarly, the lower ends of the two lower supporting rods share the lower end seat, an isosceles triangle is formed between the lower supporting rods and the screw rod, the lower end seat is fixed on one side of the bottom frame, the structure can powerfully support the middle frame due to the stability characteristic of the triangle, and the middle frame cannot have uneven two sides due to the equal length of the lower supporting rods, so that the balance of the top frame can be ensured;
in addition, the end parts of the two upper supporting rods and the lower supporting rods, which are connected with the end seat, are provided with the meshing parts, so that the two upper supporting rods can be ensured to be synchronous through the meshing parts, the two lower supporting rods are synchronous, the supporting rods and the lead screw are ensured to be uniformly stressed, and the service life is prolonged.
Description of the drawings:
FIG. 1 is a schematic structural view of a prior art lifting frame;
FIG. 2 is a schematic view of a prior art lifting structure;
fig. 3 is a schematic structural diagram of the present invention;
FIG. 4 is a schematic diagram of a framework incorporating the present invention;
FIG. 5 is a schematic diagram of a frame containing another perspective of the present invention;
in the figure: 1. a lifting structure; 2. a frame; 21. a bottom frame; 22. a middle frame; 23. a top frame; 23. a handle; 11. a lead screw; 121. an upper end seat; 122. a lower end seat; 13. a first upper stay; 14. a second upper stay; 15. a connecting seat; 16. a second lower stay; 17. a first lower stay; 18. a bearing; 19. an engaging portion.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
A lifting structure as described in connection with fig. 3, comprising: the device comprises a screw rod 11, two connecting seats 15, an upper supporting structure and a lower supporting structure;
the screw rod 11 is driven by a motor, the motor can be a servo motor, and the output end of the motor is meshed with a gear on the screw rod 11 through a gear;
nuts are arranged in the middle of the two connecting seats 15, the internal thread properties of the two nuts are opposite, the two nuts are connected with the lead screw in a threaded manner, and the opposite thread properties of the nuts can ensure that the moving directions of the two nuts are opposite when the lead screw 11 rotates, which is much easier than turning positive threads and negative threads on the lead screw;
an upper support structure, the upper support structure comprising: an upper end seat 121, a first upper stay 13 and a second upper stay 14;
the lower end of the first upper stay bar 13 is hinged with the upper end of the connecting seat 15 on the left of the screw rod 11, and the upper end of the first upper stay bar 13 is rotatably connected with the upper end seat 121;
the lower end of the second upper stay bar 14 is hinged with the upper end of the connecting seat 15 on the right side of the screw rod 11, and the upper end of the second upper stay bar 14 is rotatably connected with the upper end seat 121;
a lower support structure, the lower support structure comprising: a lower end seat 122, a first lower stay 17 and a second lower stay 16;
the upper end of the first lower support rod 17 is hinged with the lower end of the connecting seat 15 on the left of the screw rod 11, and the lower end of the first lower support rod 17 is rotatably connected with the lower end seat 122;
the upper end of the second lower stay bar 16 is hinged with the lower end of the connecting seat 15 on the right side of the screw rod 11, and the lower end of the second lower stay bar 16 is rotatably connected with the lower end seat 122;
the first upper stay 13 and the second upper stay 14 have equal length, and an engaging portion 19 is provided at one end of the upper seat 121 where the two upper stays are located; the first lower stay 17 and the second lower stay 16 are equal in length, and an engagement portion 19 is provided at one end of the lower seat 122 where the two lower stays are located.
Because the upper ends of the two upper supporting rods share the upper end seat, and the first upper supporting rod 13 and the second upper supporting rod 14 are equal in length, an isosceles triangle is formed between the upper supporting rods and the screw rod 11, the upper end seat 121 is fixed on one side of the top frame 23, and due to the stability of the triangle, the structure can powerfully support the top frame 23, and meanwhile, the side of the top frame is only provided with the fulcrum, so that the side is only stressed, and the phenomenon that the two sides are uneven is avoided;
similarly, the lower ends of the two lower support rods share the lower end seat 122, and the first lower support rod 17 and the second lower support rod 16 are equal in length, so that an isosceles triangle is also formed between the lower support rods and the screw rod 11, the lower end seat 122 is fixed on one side of the bottom frame 21, due to the stability characteristic of the triangle, the structure can powerfully support the middle frame 22, and due to the fact that the lower support rods are equal in length, the middle frame 22 cannot be uneven on two sides, and therefore the balance of the top frame 23 can be ensured;
in addition, the end parts of the two upper supporting rods and the lower supporting rods, which are connected with the end seat, are provided with the meshing parts 19, so that the two upper supporting rods can be ensured to be synchronous through the meshing parts 19 in the lifting process, the two lower supporting rods are synchronous, the supporting rods and the screw rod 11 are ensured to be uniformly stressed, and the service life is prolonged.
As shown in fig. 3, preferably, the upper ends of the first upper supporting rod 13 and the second upper supporting rod 14 are provided with holes, the holes are provided with bearings 18, the bearings are sleeved on a connecting shaft, and the connecting shaft is arranged on the upper end seat 121.
As shown in fig. 3, preferably, the lower ends of the first lower brace 17 and the second lower brace 16 are provided with holes, the holes are provided with bearings 18, the bearings 18 are sleeved on a connecting shaft, and the connecting shaft is arranged on the lower end seat 122.
A lifting frame 2 as shown in fig. 4, comprising three sets of lifting structures 1 and horizontally arranged top frame 23, middle frame 22 and bottom frame 21;
the lifting structures 1 are respectively arranged on three side surfaces of the frame 2;
the top frame 23 is rectangular, and the upper end seat 121 of the lifting structure 1 is installed in the top frame 23;
the middle frame 22 is rectangular, the three lead screws 11 of the lifting structure 1 are arranged in the middle frame 22, and the three lifting structures 1 are arranged on three side surfaces of the frame 1, so that the number of the lead screws in the middle frame 22 is three, and the joints of the adjacent lead screws 11 are connected through a conical gear;
the bottom frame 21 is rectangular, the bottom frame 21 is provided with the lower end seat 122 of the lifting structure 1, and the upper end seat 121 and the lower end seat 122 are vertically corresponding to each other. So that the stress of the screw rod 11 and the support rods is more uniform.
As shown in fig. 5, one end of the screw rod 11 extends out of the middle frame 22, and a handle 23 is disposed at an end of the screw rod 11.
An isosceles triangle is formed between the upper support rod and the lead screw 11, the upper end seat 121 is fixed on one side of the top frame 23, the structure can powerfully support the top frame 23 due to the stability characteristic of the triangle, and meanwhile, the side of the top frame is only provided with the fulcrum, so that the side is only stressed, and the phenomenon that two sides are uneven is avoided; an isosceles triangle is also formed between the lower support rod and the screw rod 11, the lower end seat 122 is fixed on one side of the bottom frame 21, the structure can powerfully support the middle frame 22 due to the stability characteristic of the triangle, and the middle frame 22 cannot have uneven two sides due to the equal length of the lower support rod, so that the balance of the top frame 23 can be ensured; because the lead screw 11 rotates synchronously, the three sets of lifting structures 11 can finish lifting synchronously, moreover, the whole top frame 23 is supported by the lifting structures 1 with 3 sides, the upper end seats 121 on the top frame 23 are triangular, the structure is stable, the lifting heights of the sides are consistent, and the whole top frame 23 can be ensured to be stable. In addition, the end parts of the two upper supporting rods and the lower supporting rods, which are connected with the end seat, are provided with the meshing parts 19, so that the two upper supporting rods can be ensured to be synchronous through the meshing parts 19 in the lifting process, the two lower supporting rods are synchronous, the supporting rods and the screw rod 11 are ensured to be uniformly stressed, and the service life is prolonged.
The details of the above are not described in detail since they are prior art.
Claims (5)
1. A kind of lifting structure, its characterized in that: the method comprises the following steps:
a lead screw driven by a motor;
the middle parts of the two connecting seats are respectively provided with a nut, the internal thread threading of the two nuts is opposite, and the two nuts are in threaded connection with the lead screw;
an upper support structure, the upper support structure comprising:
an upper end seat;
one end of the first upper supporting rod is hinged with the upper end of one connecting seat, and the other end of the first upper supporting rod is rotatably connected with the upper end seat;
one end of the second upper supporting rod is hinged with the upper end of the other connecting seat, and the other end of the second upper supporting rod is rotatably connected with the upper end seat;
a lower support structure, the lower support structure comprising:
a lower end seat;
one end of the first lower support rod is hinged with the lower end of one connecting seat, and the other end of the first lower support rod is rotatably connected with the lower end seat;
one end of the second lower supporting rod is hinged with the lower end of the other connecting seat, and the other end of the second lower supporting rod is rotatably connected with the lower end seat;
the first upper supporting rod and the second upper supporting rod are equal in length, and an engaging part is arranged at one end of the upper end seat where the two upper supporting rods are arranged; the first lower supporting rod and the second lower supporting rod are equal in length, and one end of the lower end seat where the two lower supporting rods are located is provided with an engaging part.
2. A hoisting structure according to claim 1, characterized in that: the upper ends of the first upper supporting rod and the second upper supporting rod are respectively provided with a hole, a bearing is arranged in each hole, the bearing is sleeved on a connecting shaft, and the connecting shaft is arranged on the upper end base.
3. A hoisting structure according to claim 1, characterized in that: the lower ends of the first lower supporting rod and the second lower supporting rod are provided with holes, bearings are arranged in the holes, the bearings are sleeved on the connecting shafts, and the connecting shafts are arranged on the lower end base.
4. A lifting frame comprising a lifting structure according to any of claims 1-3, characterized in that: comprises that
Three sets of lifting structures are respectively arranged on three side surfaces of the frame;
the top frame is rectangular and horizontally arranged, and an upper end seat of the lifting structure is arranged in the top frame;
the middle frame is rectangular and horizontally arranged, the screw rods of the lifting structure are mounted in the middle frame, and the connecting parts of the adjacent screw rods are connected through a bevel gear;
the underframe is the rectangle, and the level is placed, install in the underframe elevation structure's lower extreme seat, just, upper end seat and lower extreme seat upper and lower position are corresponding.
5. The lifting frame according to claim 4, characterized in that: one end of the screw rod extends out of the middle frame, and a handle is arranged at the end part of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223075643.1U CN218642371U (en) | 2022-11-21 | 2022-11-21 | Lifting structure and lifting frame with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223075643.1U CN218642371U (en) | 2022-11-21 | 2022-11-21 | Lifting structure and lifting frame with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218642371U true CN218642371U (en) | 2023-03-17 |
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ID=85498582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223075643.1U Active CN218642371U (en) | 2022-11-21 | 2022-11-21 | Lifting structure and lifting frame with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218642371U (en) |
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2022
- 2022-11-21 CN CN202223075643.1U patent/CN218642371U/en active Active
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