CN212563915U - High platform oil cylinder that rises folds mechanism - Google Patents
High platform oil cylinder that rises folds mechanism Download PDFInfo
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- CN212563915U CN212563915U CN202021173573.1U CN202021173573U CN212563915U CN 212563915 U CN212563915 U CN 212563915U CN 202021173573 U CN202021173573 U CN 202021173573U CN 212563915 U CN212563915 U CN 212563915U
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Abstract
The utility model discloses a high platform cylinder that rises folds mechanism relates to the hydraulic equipment field, including first hydro-cylinder, the inner chamber of first hydro-cylinder is provided with first piston, the up end middle part plug-in connection of first piston has first piston rod, the oil through hole has been seted up to the inner chamber of first piston rod, the upper end of first hydro-cylinder is provided with the cylinder head, the upper end outside of first hydro-cylinder is through screw thread fixedly connected with jar cap, the inside and outside both sides wall of cylinder head all is provided with the sealing washer, the inside and outside both sides wall of cylinder head is connected with the lateral wall of first piston rod and the inside wall laminating of first hydro-cylinder respectively. The utility model discloses an oil through hole has been seted up at the inner chamber of first piston rod, and the upper end outside of first piston rod is provided with the second cylinder bottom, and the upper end fixedly connected with second hydro-cylinder at the bottom of the second cylinder, this device are formed by two sets of hydro-cylinders stack, have effectively reduced the individual stroke of every group hydro-cylinder, have reduced holistic length, the installation of being convenient for more has improved stability simultaneously.
Description
Technical Field
The utility model relates to a hydraulic equipment field, in particular to high platform oil cylinder that rises folds mechanism.
Background
The oil cylinder of the chain type lifting platform mainly comprises a cylinder bottom, a piston, a cylinder barrel, a piston rod, a cylinder head, a cylinder cap and the like, wherein oil is fed into the oil cylinder, the stroke of the piston rod extending out of the piston rod is determined by the lifting height of the lifting platform, the length of the whole oil cylinder is also determined, and the oil cylinder of the platform adopts the structure under the common condition. In practical application, if the lifting platform with a large lifting height is lifted, the universal oil cylinder has great limitation: because the whole length overlength of hydro-cylinder is inconvenient to install in the less place in space, secondly, when the hydro-cylinder stretches out to the maximum height, piston rod stability variation easily produces elastic deformation or permanent bending deformation.
Therefore, it is necessary to develop a cylinder stack mechanism for a lift platform to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high platform oil cylinder that rises folds mechanism to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cylinder stacking mechanism of a high-lift platform comprises a first cylinder, wherein a first piston is arranged in an inner cavity of the first cylinder, a first piston rod is connected to the middle of the upper end face of the first piston in an inserting mode, an oil through hole is formed in the inner cavity of the first piston rod, a cylinder head is arranged at the upper end of the first cylinder, a cylinder cap is fixedly connected to the outer side of the upper end of the first cylinder through threads, sealing rings are arranged on the inner side wall and the outer side wall of the cylinder head, the inner side wall and the outer side wall of the cylinder head are respectively connected with the outer side wall of the first piston rod and the inner side wall of the first cylinder in an attaching mode, a second cylinder bottom is connected to the outer side of the upper end of the first piston rod in a sleeved mode, a second cylinder is fixedly connected to the upper end face of the second cylinder bottom, a through hole is formed in the middle of the upper end face of the second cylinder bottom, the two ends of the through hole are, the lower end face of the second cylinder bottom is fixedly connected with the fixed block through a bolt.
Preferably, the lower end of the first oil cylinder is provided with a first cylinder bottom, and the upper end surface of the first cylinder bottom is fixedly connected with the lower end of the first oil cylinder.
Preferably, an oil inlet is formed in one side of the first cylinder bottom, one end of the oil inlet is communicated with the inner cavity of the first oil cylinder, and the other end of the oil inlet is communicated with the hydraulic pump through an oil pipe.
Preferably, the inner chamber of the second oil cylinder is provided with a second piston, the outer side wall of the first piston and the outer side wall of the second piston are respectively attached to the inner wall of the first oil cylinder and the inner wall of the second oil cylinder, and the outer side wall of the first piston and the outer side wall of the second piston are respectively provided with a sealing ring.
Preferably, the middle part of the upper end surface of the second piston is fixedly connected with a second piston rod, and the upper end of the second oil cylinder is provided with a cylinder head, a cylinder cap and a sealing ring which are the same as the upper end of the first oil cylinder.
The utility model discloses a technological effect and advantage:
the utility model discloses an oil through hole has been seted up at the inner chamber of first piston rod, and the upper end outside of first piston rod is provided with the second cylinder bottom, and the upper end fixedly connected with second hydro-cylinder at the bottom of the second cylinder, this device are formed by two sets of hydro-cylinders stack, have effectively reduced the individual stroke of every group hydro-cylinder, have reduced holistic length, the installation of being convenient for more has improved stability simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure section of the present invention.
In the figure: 1. a first cylinder; 2. a first piston; 3. a first piston rod; 4. an oil through hole; 5. a cylinder head; 6. a cylinder cap; 7. a seal ring; 8. a second cylinder bottom; 9. a second cylinder; 10. a through hole; 11. a fixed block; 12. a bolt; 13. a first cylinder bottom; 14. an oil inlet hole; 15. a second piston; 16. a second piston rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a high-lift platform oil cylinder stacking mechanism as shown in figure 1, which comprises a first oil cylinder 1, wherein the lower end of the first oil cylinder 1 is provided with a first cylinder bottom 13, the upper end surface of the first cylinder bottom 13 is fixedly connected with the lower end of the first oil cylinder 1, one side of the first cylinder bottom 13 is provided with an oil inlet 14, one end of the oil inlet 14 is communicated with the inner cavity of the first oil cylinder 1, the other end of the oil inlet 14 is communicated with a hydraulic pump through an oil pipe, the inner cavity of the first oil cylinder 1 is provided with a first piston 2, the middle part of the upper end surface of the first piston 2 is connected with a first piston rod 3 in an inserting way, the first piston 2 can slide up and down in the inner cavity of the first oil cylinder 1 so as to drive the expansion and contraction of the first piston rod 3, the inner cavity of the first piston rod 3 is provided with an oil through hole 4, the upper end of the first oil cylinder 1 is provided with a cylinder head 5, the inner side wall and the outer side wall of the cylinder head 5 are respectively provided with a sealing ring 7, the arrangement of the sealing rings 7 can improve the whole sealing performance of the device and prevent hydraulic oil from leaking from the inner cavity of the first oil cylinder 1, the inner side wall and the outer side wall of the cylinder head 5 are respectively connected with the outer side wall of the first piston rod 3 and the inner side wall of the first oil cylinder 1 in a laminating manner, the outer side of the upper end of the first piston rod 3 is connected with a second cylinder bottom 8 in a sleeving manner, the upper end surface of the second cylinder bottom 8 is fixedly connected with a second oil cylinder 9, the middle part of the upper end surface of the second cylinder bottom 8 is provided with a through hole 10, two ends of the through hole 10 are respectively communicated with the inner cavity of the second oil cylinder 9 and the oil through hole 4, the inner cavity of the second oil cylinder 9 is provided with a second piston 15, the outer side wall of the first piston 2 and the outer side wall of the second piston 15 are respectively connected with the, the middle part of the upper end face of the second piston 15 is fixedly connected with a second piston rod 16, the upper end of the second oil cylinder 9 is provided with a cylinder head 5, a cylinder cap 6 and a sealing ring 7 which are the same as the upper end of the first oil cylinder 1, when the hydraulic pump is started, hydraulic oil enters the inner cavity of the first oil cylinder 1 through the oil inlet 14 and then enters the inner cavity of the second oil cylinder 9 through the oil passing hole 4 so as to push the second piston 15 to slide upwards in the inner cavity of the second oil cylinder 9, and further the second piston rod 16 extends out of the inner cavity of the second oil cylinder 9, and when the second piston rod 16 extends to the maximum length, the hydraulic oil pushes the first piston 2 to slide upwards in the inner cavity of the first oil cylinder 1 and drives the first piston rod 3 to.
And, the fixed block 11 is fixedly connected with the upper end outside of the first piston rod 3, the lower end face of the second cylinder bottom 8 is fixedly connected with the fixed block 11 through the bolt 12, and the second cylinder bottom 8 can be more conveniently and fixedly connected with the first piston rod 3 through the bolt 12.
The utility model discloses the theory of operation:
when the device is used, a hydraulic pump (not shown in the figure) is started, hydraulic oil enters the inner cavity of the first oil cylinder 1 through the oil inlet 14 and then enters the inner cavity of the second oil cylinder 9 through the oil hole 4 so as to push the second piston 15 to slide upwards in the inner cavity of the second oil cylinder 9, and further the second piston rod 16 extends out of the inner cavity of the second oil cylinder 9, and when the second piston rod 16 extends to the maximum length, the hydraulic oil pushes the first piston 2 to slide upwards in the inner cavity of the first oil cylinder 1 and drives the first piston rod 3 to extend out until the maximum stroke is reached;
this device is formed by two sets of hydro-cylinders stack, has effectively reduced the independent stroke of every group hydro-cylinder, has reduced holistic length, and the installation of being convenient for more has improved stability simultaneously.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a high platform hydro-cylinder that rises folds mechanism, includes first hydro-cylinder (1), its characterized in that: the inner cavity of the first oil cylinder (1) is provided with a first piston (2), the middle part of the upper end face of the first piston (2) is connected with a first piston rod (3) in an inserting manner, the inner cavity of the first piston rod (3) is provided with an oil through hole (4), the upper end of the first oil cylinder (1) is provided with a cylinder head (5), the outer side of the upper end of the first oil cylinder (1) is fixedly connected with a cylinder cap (6) through threads, the inner side wall and the outer side wall of the cylinder head (5) are respectively provided with a sealing ring (7), the inner side wall and the outer side wall of the cylinder head (5) are respectively connected with the outer side wall of the first piston rod (3) and the inner side wall of the first oil cylinder (1) in an attaching manner, the outer side of the upper end of the first piston rod (3) is connected with a second cylinder bottom (8) in a sleeving manner, the upper end face of the second cylinder bottom (8) is fixedly connected, the two ends of the through hole (10) are respectively communicated with the inner cavity of the second oil cylinder (9) and the oil through hole (4), the outer side of the upper end of the first piston rod (3) is fixedly connected with a fixing block (11), and the lower end face of the second cylinder bottom (8) is fixedly connected with the fixing block (11) through a bolt (12).
2. The high lift platform cylinder stack mechanism of claim 1, wherein: the lower end of the first oil cylinder (1) is provided with a first cylinder bottom (13), and the upper end face of the first cylinder bottom (13) is fixedly connected with the lower end of the first oil cylinder (1).
3. The high lift platform cylinder stack mechanism of claim 2, wherein: an oil inlet hole (14) is formed in one side of the first cylinder bottom (13), one end of the oil inlet hole (14) is communicated with an inner cavity of the first oil cylinder (1), and the other end of the oil inlet hole (14) is communicated with a hydraulic pump through an oil pipe.
4. A high lift platform cylinder stack mechanism as claimed in claim 3 wherein: the inner chamber of second hydro-cylinder (9) is provided with second piston (15), the lateral wall of first piston (2) and the lateral wall of second piston (15) are connected with the inner wall laminating of the inner wall of first hydro-cylinder (1) and second hydro-cylinder (9) respectively, the lateral wall of first piston (2) and the lateral wall of second piston (15) all are provided with sealing washer (7).
5. The high lift platform cylinder stack mechanism of claim 4, wherein: the middle part of the upper end face of the second piston (15) is fixedly connected with a second piston rod (16), and the upper end of the second oil cylinder (9) is provided with a cylinder head (5), a cylinder cap (6) and a sealing ring (7) which are the same as the upper end of the first oil cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021173573.1U CN212563915U (en) | 2020-06-22 | 2020-06-22 | High platform oil cylinder that rises folds mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021173573.1U CN212563915U (en) | 2020-06-22 | 2020-06-22 | High platform oil cylinder that rises folds mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563915U true CN212563915U (en) | 2021-02-19 |
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ID=74612691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021173573.1U Active CN212563915U (en) | 2020-06-22 | 2020-06-22 | High platform oil cylinder that rises folds mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212563915U (en) |
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2020
- 2020-06-22 CN CN202021173573.1U patent/CN212563915U/en active Active
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