CN220664582U - Piston for buffer device of elevator - Google Patents
Piston for buffer device of elevator Download PDFInfo
- Publication number
- CN220664582U CN220664582U CN202321847804.6U CN202321847804U CN220664582U CN 220664582 U CN220664582 U CN 220664582U CN 202321847804 U CN202321847804 U CN 202321847804U CN 220664582 U CN220664582 U CN 220664582U
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- mounting
- piston
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- bottom plate
- plate
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- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a piston for a buffer device of a lifting elevator, which belongs to the field of elevator buffer pistons, and comprises a bottom plate and a piston body, wherein the bottom plate is fixed with the ground through a plurality of expansion bolts, a mounting groove is formed in the center position of the bottom plate, a mounting structure is arranged on the inner side of the mounting groove and is used for mounting the piston body, the mounting structure comprises a mounting plate arranged on the inner side of the mounting groove, the piston body is fixed on the top of the mounting plate, the mounting plate is fixedly connected with the bottom plate through a plurality of fixing screws, a sealing structure is arranged on the top of the mounting plate and positioned on the outer side of each fixing screw, and is used for sealing a joint between the fixing screw and the mounting plate; it can be realized without causing excessive damage to the ground, thereby improving the bearing capacity and durability of the ground.
Description
Technical Field
The utility model relates to the field of elevator buffer pistons, in particular to a piston for a buffer device of a lifting elevator.
Background
The elevator is a mechanical device capable of transporting people or articles in the vertical direction, and generally consists of a motor, a brake, a steel wire rope, a guide rail, a car, a door system, a safety device and the like, wherein in order to ensure the safe operation of the elevator, a buffer device is arranged at the bottom of the car and used for slowing down the falling speed of the car in case of emergency so as to avoid casualties or equipment damage caused by the collision of the car with the bottom of a well;
the common buffer device is characterized in that the piston is arranged in the oil cylinder at the bottom of a well by utilizing the principles of the piston and the oil cylinder, when a car falls to a certain height, the piston can be pushed into the oil cylinder, and oil can flow out through a valve, so that resistance is generated, and the car is decelerated and stopped;
the buffer device has the advantages of simple structure and obvious effect, but has some problems, mainly the installation and detection of the piston are difficult, because the piston is directly connected with the ground, when the piston is replaced or inspected at the later stage, the piston needs to be removed from the ground, and when a new piston is installed again, the stability and the firmness of the piston are usually ensured, the bolt holes which are arranged on the ground cannot be reused, and the holes need to be punched again, so that too many bolt notches on the ground are caused, and the stability of the ground is affected.
Disclosure of Invention
1. Technical problem to be solved
The utility model aims to solve the problems in the prior art and provide a piston for a buffer device of a lifting elevator, which can prevent excessive damage to the ground and further improve the bearing capacity and durability of the ground.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a buffer for elevator device piston, includes bottom plate and piston body, the bottom plate is fixed through a plurality of expansion bolts with ground, the central point department of bottom plate is provided with the mounting groove, the inboard of mounting groove is provided with mounting structure, mounting structure is used for the installation the piston body.
Further, the mounting structure comprises a mounting plate arranged on the inner side of the mounting groove, the piston body is fixed on the top of the mounting plate, and the mounting plate is fixedly connected with the bottom plate through a plurality of fixing screws;
and the top of the mounting plate is provided with a sealing structure which is positioned at the outer side of each fixing screw and is used for sealing the joint between the fixing screw and the mounting plate.
Further, each sealing structure comprises a sealing ring fixed at the top of the mounting plate and located at the outer side of the fixing screw, sealing threads are arranged on the inner side and the outer side of the sealing ring, a sealing cover is arranged on the outer side of the sealing ring, and the sealing cover is in threaded connection with two sealing threads.
Furthermore, a connecting pad is laid on the inner side of the mounting groove, and the bottom and the outer side of the mounting plate are surrounded by the connecting pad.
Further, the depth of the mounting groove is not more than one half of the thickness of the bottom plate.
Further, a raw adhesive tape is arranged between the sealing cover and the sealing thread on the sealing ring.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
according to the scheme, the mounting plate and the piston body are removed through the fixing screws, and the bottom plate is arranged, so that the piston body cannot be removed from the ground of the elevator shaft, excessive damage to the ground is avoided, and the bearing capacity and durability of the ground are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the mounting plate, connection pads and mounting slots;
fig. 3 is a schematic structural view of the fixing screw, the sealing ring and the sealing cover.
The reference numerals in the figures illustrate:
1. a bottom plate; 2. an expansion bolt; 3. a mounting groove; 4. a mounting plate; 5. a fixing screw; 6. a piston body; 7. a seal ring; 8. sealing the thread; 9. a sealing cover; 10. and (5) connecting the pads.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-3, a piston for a buffer device of a lifting elevator comprises a bottom plate 1 and a piston body 6, wherein the bottom plate 1 is fixed with the ground through a plurality of expansion bolts 2, a mounting groove 3 is formed in the center position of the bottom plate 1, the depth of the mounting groove 3 does not exceed half of the thickness of the bottom plate 1, by means of the arrangement, the bottom plate 1 can be blocked due to impact caused by bearing the elevator by a mounting plate 4, the bottom plate 1 is transmitted into the bottom surface, and a mounting structure is arranged on the inner side of the mounting groove 3 and used for mounting the piston body 6.
Referring to fig. 2, the installation structure comprises an installation plate 4 arranged on the inner side of an installation groove 3, a piston body 6 is fixed on the top of the installation plate 4, the installation plate 4 and a bottom plate 1 are fixedly connected through a plurality of fixing screws 5, the installation plate 4 and the piston body 6 are fixed on the inner side of the installation groove 3 through the fixing screws 5, a connecting pad 10 is laid on the inner side of the installation groove 3, the bottom and the outer side of the installation plate 4 are surrounded by the connecting pad 10, the installation plate 4 can be protected by the connecting pad 10, the rust resistance of the installation plate 4 is enhanced, the fixing screws 5 on the installation plate 4 are difficult to loosen through friction force provided by the installation plate 4, when the piston body 6 needs to be replaced or overhauled, the installation plate 4 and the piston body 6 can be directly dismounted through the fixing screws 5, and the piston body 6 cannot be dismounted from the ground of an elevator shaft through the arrangement of the bottom plate 1, and the ground is protected;
a sealing structure is mounted on top of the mounting plate 4 and outside each fixing screw 5, the sealing structure being used to seal the junction between the fixing screw 5 and the mounting plate 4.
Referring to fig. 3, each sealing structure includes a sealing ring 7 fixed on the top of a mounting plate 4 and located at the outer side of a fixing screw 5, sealing threads 8 are disposed on the inner side and the outer side of the sealing ring 7, a sealing cover 9 is mounted on the outer side of the sealing ring 7, the sealing cover 9 is in threaded connection with two sealing threads 8, a raw adhesive tape is disposed between the sealing cover 9 and the sealing threads 8 on the sealing ring 7, a sealing effect is achieved between the sealing cover 9 and the sealing ring 7 through the arrangement, after the fixing screw 5 is screwed, the sealing cover 9 can be screwed to the outer side of the sealing ring 7, so that the sealing cover 9 can protect the fixing screw 5 on the inner side of the sealing ring 7, and corrosion and other factors of the fixing screw 5 caused by humidity and the like can be prevented.
Working principle: when the device is used by a user, the bottom plate 1 is fixed on the ground inside the elevator shaft through the expansion bolts 2, the mounting plate 4 and the piston body 6 are fixed on the inner side of the mounting groove 3 through the fixing screws 5, when the piston body 6 needs to be replaced or overhauled, the mounting plate 4 and the piston body 6 can be directly removed through the fixing screws 5, the piston body 6 can not be removed from the ground of the elevator shaft through the arrangement of the bottom plate 1, so that the ground is protected, the damaged effect of the ground is reduced, and the stress of the ground bearing elevator impact can hardly be changed.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a buffer for elevator device piston, includes bottom plate (1) and piston body (6), its characterized in that: the bottom plate (1) is fixed with the ground through a plurality of expansion bolts (2), a mounting groove (3) is formed in the center position of the bottom plate (1), and a mounting structure is arranged on the inner side of the mounting groove (3) and used for mounting the piston body (6).
2. The piston for a buffer device of a lift elevator according to claim 1, characterized in that: the mounting structure comprises a mounting plate (4) arranged on the inner side of the mounting groove (3), the piston body (6) is fixed on the top of the mounting plate (4), and the mounting plate (4) is fixedly connected with the bottom plate (1) through a plurality of fixing screws (5);
and a sealing structure is arranged at the top of the mounting plate (4) and outside each fixing screw (5), and is used for sealing the joint between the fixing screw (5) and the mounting plate (4).
3. The piston for a buffer device of a lift elevator according to claim 2, characterized in that: every seal structure is all including being fixed in mounting panel (4) top and be located sealing washer (7) in the outside of set screw (5), just the inboard and the outside of sealing washer (7) all are provided with sealed screw thread (8), sealed cowling (9) are installed in the outside of sealing washer (7), just sealed cowling (9) and two equal threaded connection of sealed screw thread (8).
4. The piston for a buffer device of a lift elevator according to claim 2, characterized in that: a connecting pad (10) is laid on the inner side of the mounting groove (3), and the bottom and the outer side of the mounting plate (4) are surrounded by the connecting pad (10).
5. The piston for a buffer device of a lift elevator according to claim 1, characterized in that: the depth of the mounting groove (3) is not more than one half of the thickness of the bottom plate (1).
6. A piston for a buffer device of a lift elevator according to claim 3, characterized in that: a raw adhesive tape is arranged between the sealing cover (9) and the sealing thread (8) on the sealing ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847804.6U CN220664582U (en) | 2023-07-14 | 2023-07-14 | Piston for buffer device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847804.6U CN220664582U (en) | 2023-07-14 | 2023-07-14 | Piston for buffer device of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220664582U true CN220664582U (en) | 2024-03-26 |
Family
ID=90333643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847804.6U Active CN220664582U (en) | 2023-07-14 | 2023-07-14 | Piston for buffer device of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220664582U (en) |
-
2023
- 2023-07-14 CN CN202321847804.6U patent/CN220664582U/en active Active
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