CN220435154U - Single-and-double-direction locking energy storage cylinder without power source - Google Patents
Single-and-double-direction locking energy storage cylinder without power source Download PDFInfo
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- CN220435154U CN220435154U CN202321687168.5U CN202321687168U CN220435154U CN 220435154 U CN220435154 U CN 220435154U CN 202321687168 U CN202321687168 U CN 202321687168U CN 220435154 U CN220435154 U CN 220435154U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 87
- 230000007704 transition Effects 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000011261 inert gas Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 82
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a single-and-double-direction locking energy storage cylinder without a power source, which relates to the technical field of energy storage cylinders, and aims to solve the technical problems that the energy storage cylinder in the prior art cannot realize single-and-double-direction locking in a state without a power source when in use, cannot avoid leakage of inert gas and has insufficient sealing effect; the front end inner wall of the energy storage cylinder body is fixedly provided with an energy storage cylinder piston, the rear end of the energy storage cylinder piston is fixedly provided with a spring, the rear end of the spring is fixedly provided with a transition valve block, the outer wall of the transition valve block is connected with the inner wall of the energy storage cylinder body, a rod cavity and a rodless cavity are fixedly arranged in the oil cylinder body, the energy storage cylinder can be locked in a single-direction and double-direction mode in a state without a power source when in use, the spring in the device can be mixed with oil, the problem is solved, a nitrogen port does not need to be reserved, the leakage problem does not exist, and the sealing effect is good.
Description
Technical Field
The utility model belongs to the field of energy storage oil cylinders, and particularly relates to a single-direction and double-direction locking energy storage oil cylinder without a power source.
Background
The current common method for realizing the unidirectional or bidirectional locking of the oil cylinder comprises the following steps: according to the scheme I, a diaphragm type standard energy accumulator is used as an energy storage mode of the oil cylinder, so that the oil cylinder can automatically extend or retract, and because the energy accumulator needs to be filled with nitrogen as a power medium, double risks of nitrogen leakage and nitrogen leakage can be caused, and the oil cylinder is disabled; according to the scheme II, a piston type standard energy accumulator is adopted as an energy storage mode of the oil cylinder, automatic extension or retraction of the oil cylinder is achieved, because the energy accumulator needs to be filled with nitrogen as a power medium, double risks of leakage and internal leakage of nitrogen are caused, the oil cylinder is disabled, most products in the prior art are that the nitrogen is used for realizing movement of a piston rod, the nitrogen leakage can be in contact with oil, failure is caused, the existing energy storage oil cylinder cannot be locked in a single-direction and two-way mode in a state without a power source, inert gas leakage cannot be avoided, the sealing effect is insufficient, and further improvement is needed.
At present, the utility model patent with the patent number of CN201320319073.8 discloses a spring type shock-absorbing energy-storage oil cylinder, which comprises a cylinder barrel and a plunger rod, wherein the cylinder barrel and the plunger rod can move relatively, an energy-storage spring and a sliding block are arranged in the plunger rod, the sliding block is arranged below the energy-storage spring, and the sliding block can move up and down in the plunger rod under the action of the energy-storage spring and hydraulic oil.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide the energy storage cylinder without a power source, which aims to solve the technical problem that the existing energy storage cylinder cannot be locked in a single and double way in a state without a power source when in use.
(2) Technical proposal
In order to solve the technical problems, the utility model provides the energy storage cylinder which can be locked in a single-direction and a double-direction and has no power source, and the energy storage cylinder comprises an oil cylinder body and an energy storage cylinder body fixedly arranged on the oil cylinder body; the energy storage cylinder is characterized in that an energy storage cylinder piston is fixedly arranged on the inner wall of the front end of the energy storage cylinder body, a spring is fixedly arranged at the rear end of the energy storage cylinder piston, a transition valve block is fixedly arranged at the rear end of the spring, the outer wall of the transition valve block is connected with the inner wall of the energy storage cylinder body, a rod cavity and a rodless cavity are fixedly arranged in the oil cylinder body, a control valve is fixedly arranged on the oil cylinder body, and an oil body in the energy storage cylinder body is connected in series or directly connected with the rod cavity or the rodless cavity in the oil cylinder body through the control valve.
When the energy storage oil cylinder of the technical scheme is used, when a single control valve is adopted to be connected with a rodless cavity or a rod cavity of the oil cylinder in series: when the control valve is connected with the rod cavity of the oil cylinder in series, the rodless cavity is directly connected with the energy storage cylinder body: the control valve is opened, and the piston rod can retract and extend under the action of external force; when the external force is cancelled, the piston rod automatically stretches out under the action of the energy storage cylinder body; the control valve is closed, under the action of external force, the piston rod can only retract, but can not extend, so that one-way locking is realized, and when the control valve is connected with the rodless cavity of the oil cylinder in series, the rod cavity is directly connected with the energy storage cylinder body: the control valve is opened, and the piston rod can freely extend and retract under the action of external force; when the external force is cancelled, the piston rod cannot extend under the action of the energy storage cylinder body, so that unidirectional locking is realized; the control valve is closed, under the action of external force, the piston rod can only retract, but can not extend, so that one-way locking is realized, and when two control valves are adopted to be respectively connected with the rodless cavity and the rod cavity of the oil cylinder in series:
(1) when two control valves are simultaneously opened: the piston rod can retract under the action of external force, and can automatically extend under the action of the energy storage cylinder body after the external force is cancelled;
(2) when the two control valves are closed simultaneously: the piston rod can not extend and retract, so that bidirectional locking is realized;
(3) if one of the control valves is closed: (1) when the control valve connected in series with the rod cavity is closed and the control valve connected in series with the rodless cavity is opened, the piston rod can retract under the action of external force and cannot extend; (2) when the control valve connected in series with the rodless cavity is closed and the control valve connected in series with the rod cavity is opened, the piston rod automatically stretches out and cannot retract under the action of the energy storage cylinder body.
Further, the outer wall of the oil cylinder body is fixedly provided with a front oil port, the front oil port and the rod cavity are mutually communicated, the oil cylinder body of the device adopts an integral structure, and the front oil port and the rear oil port of the oil cylinder are uniformly arranged at the bottom of the oil cylinder body.
Further, the outer wall of the oil cylinder body is fixedly provided with a rear oil port, the rodless cavity and the rear oil port are communicated with each other, and the arrangement of the rear oil port and the rodless cavity is convenient for the oil body to enter and exit.
Further, the rear joint bearing is fixedly arranged on the inner wall of the rear end of the oil cylinder body, symmetrical screws are arranged at the rear end threads of the oil cylinder body, and the arrangement of the screws can improve the installation stability of the oil cylinder body.
Further, the wall thickness of the oil cylinder body is five centimeters, the two control valves are arranged, and the two control valves are convenient to control the oil body.
Further, the inner wall of the output port of the oil cylinder body is fixedly provided with a front guide sleeve, the inner wall of the front guide sleeve is movably provided with a piston rod, the outer wall of the piston rod is fixedly provided with a fixed cylinder, and the arrangement of the front guide sleeve is beneficial to the stable movement of the piston rod.
Further, the outer wall fixed mounting of piston rod has first lock nut and second lock nut, the fixed cylinder is located between first lock nut and the second lock nut, the front end fixed mounting of piston rod has the solid fixed ring, and the setting of fixed cylinder, first lock nut and second lock nut can consolidate the piston rod.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: according to the energy storage oil cylinder, the energy storage cylinder body is arranged, and when a single control valve is adopted to be connected with a rodless cavity or a rod cavity of the oil cylinder in series, the energy storage oil cylinder comprises a cylinder body, a cylinder body and a cylinder body, wherein the cylinder body is provided with a cylinder cavity, and the cylinder cavity is provided with a rod cavity: when the control valve is connected with the rod cavity of the oil cylinder in series, the rodless cavity is directly connected with the energy storage cylinder body: the control valve is opened, and the piston rod can retract and extend under the action of external force; when the external force is cancelled, the piston rod automatically stretches out under the action of the energy storage cylinder body; the control valve is closed, and under the action of external force, the piston rod can only retract, but cannot extend, so that one-way locking is realized. When the control valve is connected with the rodless cavity of the oil cylinder in series, the rod cavity is directly connected with the energy storage cylinder body: the control valve is opened, and the piston rod can freely extend and retract under the action of external force; when the external force is cancelled, the piston rod cannot extend under the action of the energy storage cylinder body, so that unidirectional locking is realized; the control valve is closed, under the action of external force, the piston rod can only retract, but can not extend, so that one-way locking is realized, and when two control valves are adopted to be respectively connected with the rodless cavity and the rod cavity of the oil cylinder in series: (1) when two control valves are simultaneously opened: the piston rod can retract under the action of external force, and can automatically extend under the action of the energy storage cylinder body after the external force is cancelled; (2) when the two control valves are closed simultaneously: the piston rod can not extend and retract, so that bidirectional locking is realized; (3) if one of the control valves is closed: (1) when the control valve connected in series with the rod cavity is closed and the control valve connected in series with the rodless cavity is opened, the piston rod can retract under the action of external force and cannot extend; (2) the control valve in series connection with the rodless cavity is closed, when the control valve in series connection with the rod cavity is opened, the piston rod automatically stretches out under the action of the energy storage cylinder body and cannot retract, the energy storage cylinder body of the device stores and releases mechanical energy and acts on the oil cylinder body by adopting the combination of the spring, the energy storage cylinder piston and the energy storage cylinder body, meanwhile, the unidirectional locking or the bidirectional locking function of the oil cylinder body is realized, most of products in the prior art realize the movement of the piston rod by using nitrogen, the nitrogen leakage can be in contact with oil, and the failure is caused, the spring in the device can be mixed with the oil, the problem is solved, a nitrogen port is not required to be reserved, the leakage problem is avoided, and the sealing effect is good.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an energy storage cylinder according to the present utility model;
FIG. 2 is a schematic cross-sectional view of an energy storage cylinder according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of an oil cylinder body of an embodiment of an energy storage cylinder of the present utility model;
fig. 4 is a schematic perspective view of a fixed cylinder of an embodiment of the energy storage cylinder of the present utility model.
The marks in the drawings are: 1. an oil cylinder; 2. an energy storage cylinder; 3. a piston rod; 4. a control valve; 5. a rear knuckle bearing; 6. an energy storage cylinder piston; 7. a spring; 8. a transition valve block; 9. a screw; 10. a front guide sleeve; 11. a rod cavity is arranged; 12. a rodless cavity; 13. a front oil port; 14. a rear oil port; 15. a first lock nut; 16. a fixed cylinder; 17. a second lock nut; 18. and a fixing ring.
Detailed Description
The specific embodiment is a unidirectional and bidirectional locking energy storage cylinder without a power source, the schematic diagram of the three-dimensional structure is shown in fig. 1, the schematic diagram of the cross-section structure of an energy storage cylinder body 2 is shown in fig. 2, and the energy storage cylinder comprises an oil cylinder body 1 and an energy storage cylinder body 2 fixedly arranged on the oil cylinder body 1; the front end inner wall of the energy storage cylinder body 2 is fixedly provided with an energy storage cylinder piston 6, the rear end of the energy storage cylinder piston 6 is fixedly provided with a spring 7, the rear end of the spring 7 is fixedly provided with a transition valve block 8, the outer wall of the transition valve block 8 is connected with the inner wall of the energy storage cylinder body 2, the interior of the oil cylinder body 1 is fixedly provided with a rod cavity 11 and a rodless cavity 12, the oil cylinder body 1 is fixedly provided with a control valve 4, the oil body in the energy storage cylinder body 2 is communicated with the rod cavity 11 or the rodless cavity 12 in the oil cylinder body 1 in series or is directly communicated with the rod cavity through the control valve 4, the outer wall of the oil cylinder body 1 is fixedly provided with a front oil port 13, the front oil port 13 and the rod cavity 11 are communicated with each other, the outer wall of the oil cylinder body 1 is fixedly provided with a rear oil port 14, and the rodless cavity 12 and the rear oil port 14 are communicated with each other.
In order to improve the stability of the oil cylinder body 1, the rear end inner wall of the oil cylinder body 1 is fixedly provided with a rear joint bearing 5, the rear end of the oil cylinder body 1 is provided with symmetrical screws 9 in a threaded manner, the wall layer thickness of the oil cylinder body 1 is five centimeters, the control valve 4 is divided into two, and the thicker wall layer of the oil cylinder body 1 can improve the stability of the oil cylinder body 1.
In order to improve protection of the piston rod 3, a front guide sleeve 10 is fixedly arranged on the inner wall of an output port of the oil cylinder body 1, the piston rod 3 is movably arranged on the inner wall of the front guide sleeve 10, a fixed cylinder 16 is fixedly arranged on the outer wall of the piston rod 3, a first locking nut 15 and a second locking nut 17 are fixedly arranged on the outer wall of the piston rod 3, the fixed cylinder 16 is positioned between the first locking nut 15 and the second locking nut 17, a fixed ring 18 is fixedly arranged at the front end of the piston rod 3, and the protection of the piston rod 3 can be improved due to the arrangement of the fixed cylinder 16, the first locking nut 15 and the second locking nut 17.
The schematic cross-sectional structure of the cylinder body 1 of the accumulator is shown in fig. 3, and the schematic perspective structure of the fixed cylinder 16 is shown in fig. 4.
When the energy storage oil cylinder of the technical scheme is used, when a single control valve 4 is adopted to be connected with the rodless cavity 12 or the rod cavity 11 of the oil cylinder in series: when the control valve 4 is connected with the rod cavity 11 of the oil cylinder in series, the rodless cavity 12 is directly connected with the energy storage cylinder body 2: the control valve 4 is opened, and the piston rod 3 can retract and extend under the action of external force; when the external force is cancelled, the piston rod 3 can automatically extend under the action of the energy storage cylinder body 2; the control valve 4 is closed, under the action of external force, the piston rod 3 can only retract, but can not extend, so that unidirectional locking is realized, and when the control valve 4 is connected with the rodless cavity 12 of the oil cylinder in series, the rod cavity 11 is directly connected with the energy storage cylinder body 2: the control valve 4 is opened, and the piston rod 3 can freely extend and retract under the action of external force; when the external force is cancelled, the piston rod 3 cannot extend under the action of the energy storage cylinder body 2, so that unidirectional locking is realized; the control valve 4 is closed, under the action of external force, the piston rod 3 can only retract, but can not extend, so that one-way locking is realized, and when two control valves 4 are adopted to be respectively connected with the rodless cavity 12 and the rod cavity 11 of the oil cylinder in series: (1) when two control valves 4 are simultaneously opened: the piston rod 3 can retract under the action of external force, and can automatically extend under the action of the energy storage cylinder body 2 after the external force is cancelled; (2) when the two control valves 4 are closed simultaneously: the piston rod 3 can not extend and retract, so that bidirectional locking is realized; (3) if one of the control valves 4 is closed: (1) the control valve 4 connected in series with the rod cavity 11 is closed, and when the control valve 4 connected in series with the rodless cavity 12 is opened, the piston rod 3 can retract under the action of external force and cannot extend; (2) when the control valve 4 connected in series with the rodless cavity 12 is closed and the control valve 4 connected in series with the rod cavity 11 is opened, the piston rod 3 automatically stretches out under the action of the energy storage cylinder body 2 and cannot retract, and the energy storage cylinder body 2 of the device adopts the combination of the spring 7, the energy storage cylinder piston 6 and the energy storage cylinder body 2 to realize the storage and release of mechanical energy and act on the oil cylinder body 1, and simultaneously realizes the unidirectional locking or bidirectional locking function of the oil cylinder body 1.
Claims (7)
1. The energy storage cylinder comprises an oil cylinder body and an energy storage cylinder body fixedly arranged on the oil cylinder body; the oil cylinder is characterized in that an energy storage cylinder piston is fixedly arranged on the inner wall of the front end of the energy storage cylinder body, a spring is fixedly arranged at the rear end of the energy storage cylinder piston, a transition valve block is fixedly arranged at the rear end of the spring, the outer wall of the transition valve block is connected with the inner wall of the energy storage cylinder body, a rod cavity and a rodless cavity are fixedly arranged in the oil cylinder body, a control valve is fixedly arranged on the oil cylinder body, and an oil body in the energy storage cylinder body is communicated with the rod cavity or the rodless cavity in the oil cylinder body in series or directly communicated with the rod cavity or the rodless cavity through the control valve.
2. The unidirectional and bidirectional locking unpowered energy storage cylinder as set forth in claim 1, wherein a front oil port is fixedly provided on the outer wall of the cylinder body, and the front oil port and the rod cavity are mutually communicated.
3. The unidirectional and bidirectional locking unpowered energy storage cylinder of claim 1, wherein a rear oil port is fixedly formed in the outer wall of the cylinder body, and the rodless cavity and the rear oil port are mutually communicated.
4. The unidirectional and bidirectional locking unpowered energy storage cylinder as set forth in claim 1, wherein a rear knuckle bearing is fixedly mounted on the inner wall of the rear end of the cylinder body, and symmetrical screws are mounted on the rear end threads of the cylinder body.
5. The unidirectional and bidirectional locking unpowered energy storage cylinder as set forth in claim 1, wherein the wall thickness of the cylinder body is five centimeters, and the control valves are divided into two.
6. The unidirectional and bidirectional locking unpowered energy storage cylinder as set forth in claim 1, wherein a front guide sleeve is fixedly installed on the inner wall of the output port of the cylinder body, a piston rod is movably installed on the inner wall of the front guide sleeve, and a fixed cylinder is fixedly installed on the outer wall of the piston rod.
7. The unidirectional and bidirectional locking unpowered energy storage cylinder of claim 6, wherein a first locking nut and a second locking nut are fixedly arranged on the outer wall of the piston rod, the fixed cylinder is located between the first locking nut and the second locking nut, and a fixed ring is fixedly arranged at the front end of the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687168.5U CN220435154U (en) | 2023-06-29 | 2023-06-29 | Single-and-double-direction locking energy storage cylinder without power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687168.5U CN220435154U (en) | 2023-06-29 | 2023-06-29 | Single-and-double-direction locking energy storage cylinder without power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220435154U true CN220435154U (en) | 2024-02-02 |
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ID=89699979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321687168.5U Active CN220435154U (en) | 2023-06-29 | 2023-06-29 | Single-and-double-direction locking energy storage cylinder without power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220435154U (en) |
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2023
- 2023-06-29 CN CN202321687168.5U patent/CN220435154U/en active Active
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