CN220101022U - Hydraulic damping rod capable of bidirectionally buffering - Google Patents
Hydraulic damping rod capable of bidirectionally buffering Download PDFInfo
- Publication number
- CN220101022U CN220101022U CN202320131211.3U CN202320131211U CN220101022U CN 220101022 U CN220101022 U CN 220101022U CN 202320131211 U CN202320131211 U CN 202320131211U CN 220101022 U CN220101022 U CN 220101022U
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- piston
- cylinder body
- connecting piece
- spring
- damping
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- 238000013016 damping Methods 0.000 title claims abstract description 34
- 230000003139 buffering effect Effects 0.000 title claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a hydraulic damping rod capable of bidirectionally buffering, which comprises a hydraulic damper, wherein one end of the hydraulic damper is provided with a spring, and the spring is connected with the hydraulic damper in series through a connecting piece; the hydraulic damper comprises a cylinder body, a piston assembly arranged on the cylinder body and an end cover arranged at the end part of the cylinder body; the piston assembly comprises a piston and a piston rod, the piston is slidably arranged in the inner cavity of the cylinder body, one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the end cover and is positioned at the outer side of the cylinder body; an oil return hole is formed in the piston, and the hydraulic damper is in a damping state when the piston rod is retracted inwards; one end of the connecting piece is fixedly arranged on the outer side of the cylinder body, the other end of the connecting piece is provided with a baffle body, and the spring is installed between the end part of the cylinder body and the baffle body in an extrusion mode. The damping rod is simple and compact in structure, has bidirectional buffering capacity, can enable a piston rod with damping to be slowly retracted through internal force, prevents impact phenomenon, and is wide in application prospect.
Description
Technical Field
The utility model relates to the technical field of buffer mechanisms, in particular to a hydraulic damping rod capable of bidirectionally buffering.
Background
The hydraulic damper can provide better buffering effect, is widely applied to door body hinges of certain equipment or needed buffering connection, can realize unidirectional buffering on relative movement between two objects connected with each other by using the hydraulic damper, prevents impact generated during relative movement due to external force effect between the two objects, can not meet actual requirements by only using the damper with unidirectional buffering in the actual use process, can be matched with some elastic pieces to assist damping recovery of the damper, and the elastic pieces used can increase structural complexity and increase the size of the connecting piece with buffering effect.
Disclosure of Invention
The utility model aims to provide a hydraulic damping rod capable of bidirectionally buffering, which has a simple and compact structure and bidirectional buffering capacity, and can enable a damped piston rod to slowly retract through internal force, so that the hydraulic damping rod can prevent impact phenomena and has wide application prospect.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the hydraulic damping rod capable of bidirectionally buffering comprises a hydraulic damper, wherein one end of the hydraulic damper is provided with a spring, and the spring and the hydraulic damper are connected in series through a connecting piece;
the hydraulic damper comprises a cylinder body, a piston assembly movably arranged on the cylinder body and an end cover hermetically arranged at the end part of the cylinder body, wherein the piston assembly comprises a piston and a piston rod, the piston is slidably arranged in the inner cavity of the cylinder body, one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the end cover and is positioned at the outer side of the cylinder body;
an oil return hole is formed in the piston, and the hydraulic damper is in a damping state when the piston rod is retracted inwards;
one end of the connecting piece is fixedly arranged on the outer side of the cylinder body, the other end of the connecting piece is provided with a baffle body, and the spring is installed between the end part of the cylinder body and the baffle body in an extrusion mode.
Preferably, a first sealing element is arranged between the end cover and the cylinder body; and a second sealing piece is arranged between the piston rod and the end cover.
Preferably, the cylinder body is of a columnar structure.
Preferably, the oil return hole comprises a damping hole arranged on the piston and a one-way valve arranged on the piston, and the one-way valve is in an open state when the piston rod extends outwards.
Preferably, one or more damping holes are arranged, and one or more one-way valves are arranged.
Preferably, the connecting piece is in a shaft shape, the spring is sleeved on the connecting piece, and a connecting part is arranged at one end of the connecting piece, which is exposed out of the spring.
Preferably, a notch is formed in the blocking body, one end of the connecting piece penetrates through the notch and is located on the other side of the blocking body, and the initial compression amount of the spring is adjusted by adjusting the distance between the blocking body and the cylinder body.
According to the utility model, the spring and the hydraulic damper are connected in series through the connecting piece, the piston rod in a damping state in the hydraulic damper is pushed to move through the elastic restoring force of the spring, meanwhile, when the piston rod moves reversely, the spring is gradually compressed, a certain buffering effect is achieved, the bidirectional buffering effect of the damping rod is achieved, and the piston rod with damping can be slowly retracted through the internal force, so that impact is prevented. After the spring and the hydraulic damper are connected in series, the whole structure is simple and compact, the installation is convenient, and the whole size of a connecting piece using the damping rod is reduced. The connecting part is convenient for connecting and installing with an external structure.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
in the figure: 1. a hydraulic damper; 2. a spring; 3. a connecting piece; 4. a damping hole; 5. a one-way valve; 6. a baffle; 7. a connection part; 10. a cylinder; 11. a piston assembly; 12. an end cap; 110. a piston; 111. a piston rod.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings:
the hydraulic damping rod capable of bidirectionally buffering as shown in fig. 1 and 2 comprises a hydraulic damper 1, a spring 2 is arranged at the tail end of the hydraulic damper 1, and the spring 2 and the hydraulic damper 1 are connected in series through a connecting piece 3.
The hydraulic damper 1 comprises a cylinder body 10, a piston assembly 11 movably arranged on the cylinder body 10 and an end cover 12 hermetically arranged at the front end part of the cylinder body 10, wherein the piston assembly 11 comprises a piston 110 and a piston rod 111, the piston 110 is slidably arranged in an inner cavity of the cylinder body 10, one end of the piston rod 111 is fixedly connected with the piston 110 through welding, and the other end of the piston rod 111 penetrates through the end cover 12 and is positioned at the outer side of the cylinder body 10. In one embodiment, the cylinder 10 is a cylindrical structure. A first sealing element is arranged between the end cover 12 and the cylinder body 10, the end cover 12 is fixedly connected with the cylinder body 10 through a fastener, a second sealing element is arranged between the piston rod 111 and the end cover 12, and specifically, the first sealing element and the second sealing element are O-shaped sealing rings. In a preferred embodiment, a ball head is provided at the end of the piston rod 111 at the exposed end, and a connection hole is provided at the ball head, through which a mounting connection with an external structure, which may be a hinge, can be performed in practice.
An oil return hole is provided in the piston 110, and the hydraulic damper 1 is in a damped state when the piston rod 111 is retracted inward. In one embodiment, the oil return hole comprises a damping hole 4 arranged on the piston 110 and a one-way valve 5 fixedly arranged on the piston 110, when the piston rod 111 extends outwards, the one-way valve 5 is in an open state, and at the moment, the oil returns rapidly, and the piston rod 111 is in an undamped rapid extending state; when the piston rod 111 is retracted inwards, the check valve 5 is in a closed state, the oil return in the cavity is slow, and the piston rod 111 is in a damping slow retraction state. In one embodiment, one or more damping holes 4 are provided, one or more check valves 5 are provided, one specific damping hole 4 is provided, and two check valves 5 are provided.
One end fixed mounting of connecting piece 3 is in the outside of cylinder body 10, and baffle 6 is installed to the other end of connecting piece 3, and spring 2 extrusion mounting is between cylinder body 10 terminal end and baffle 6, and with baffle 6 fixed mounting on the hinge when using, the initial compression volume of adjusting spring 2 through adjusting the distance between baffle 6 and cylinder body 10, the tension of adjusting spring 2. In one embodiment, the connecting piece 3 is in a shaft shape, the spring 2 is sleeved on the connecting piece 3, and one end of the connecting piece 3 exposed out of the spring 2 is provided with a connecting part 7. A notch is formed in the baffle body 6, one end of the connecting piece 3 passes through the notch and is positioned on the other side of the baffle body 6, and the initial compression amount of the spring 2 is adjusted by adjusting the distance between the end of the baffle body 6 and the end of the cylinder body 10.
In a specific implementation, the exposed end of the piston rod 111 is connected with a fixed end of an external structure (can be fixedly connected through a connecting hole or can be connected through extrusion force extrusion), the connecting part 7 is connected with a movable end of the external structure, the baffle body 6 is fixedly connected to the external structure, the spring 2 is installed between the baffle body 6 and the cylinder body 10 in an extrusion mode, when the connecting piece 3 is pulled through the movable end of the external structure, the spring 2 is extruded, and the piston rod 111 extends outwards; when the movable end of the outer structure is reversed, the piston rod 111 in the damped state is retracted inwardly by elastic recovery deformation of the spring 2.
The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.
Claims (7)
1. The utility model provides a hydraulic damping pole that can two-way buffering, includes hydraulic damper, its characterized in that: a spring is arranged at one end of the hydraulic damper, and the spring and the hydraulic damper are connected in series through a connecting piece;
the hydraulic damper comprises a cylinder body, a piston assembly movably arranged on the cylinder body and an end cover hermetically arranged at the end part of the cylinder body, wherein the piston assembly comprises a piston and a piston rod, the piston is slidably arranged in the inner cavity of the cylinder body, one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod penetrates through the end cover and is positioned at the outer side of the cylinder body;
an oil return hole is formed in the piston, and the hydraulic damper is in a damping state when the piston rod is retracted inwards;
one end of the connecting piece is fixedly arranged on the outer side of the cylinder body, the other end of the connecting piece is provided with a baffle body, and the spring is installed between the end part of the cylinder body and the baffle body in an extrusion mode.
2. The bi-directionally cushionable hydraulic damping rod of claim 1, wherein: a first sealing element is arranged between the end cover and the cylinder body; and a second sealing piece is arranged between the piston rod and the end cover.
3. The bidirectionally cushionable hydraulic damping lever according to claim 1 or 2, wherein: the cylinder body is of a columnar structure.
4. The bi-directionally cushionable hydraulic damping rod of claim 1, wherein: the oil return hole comprises a damping hole arranged on the piston and a one-way valve arranged on the piston, and the one-way valve is in an open state when the piston rod extends outwards.
5. The bi-directionally cushionable hydraulic damping rod of claim 4, wherein: one or more damping holes are formed, and one or more one-way valves are formed.
6. The bi-directionally cushionable hydraulic damping rod of claim 1, wherein: the connecting piece is in a shaft shape, the spring is sleeved on the connecting piece, and one end of the connecting piece, which is exposed out of the spring, is provided with a connecting part.
7. The bi-directionally cushionable hydraulic damping rod of claim 1 or 6, wherein: the baffle body is provided with a notch, one end of the connecting piece penetrates through the notch and is positioned on the other side of the baffle body, and the initial compression amount of the spring is adjusted by adjusting the distance between the baffle body and the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320131211.3U CN220101022U (en) | 2023-01-15 | 2023-01-15 | Hydraulic damping rod capable of bidirectionally buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320131211.3U CN220101022U (en) | 2023-01-15 | 2023-01-15 | Hydraulic damping rod capable of bidirectionally buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101022U true CN220101022U (en) | 2023-11-28 |
Family
ID=88841423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320131211.3U Active CN220101022U (en) | 2023-01-15 | 2023-01-15 | Hydraulic damping rod capable of bidirectionally buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101022U (en) |
-
2023
- 2023-01-15 CN CN202320131211.3U patent/CN220101022U/en active Active
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| GR01 | Patent grant |