CN212509055U - Hydraulic cylinder buffer device - Google Patents
Hydraulic cylinder buffer device Download PDFInfo
- Publication number
- CN212509055U CN212509055U CN202020355407.7U CN202020355407U CN212509055U CN 212509055 U CN212509055 U CN 212509055U CN 202020355407 U CN202020355407 U CN 202020355407U CN 212509055 U CN212509055 U CN 212509055U
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- China
- Prior art keywords
- piston
- buffer
- cylinder
- end cover
- fixedly connected
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a pneumatic cylinder buffer, including the buffering stopper, buffering stopper one end fixedly connected with piston, the three angular groove has all been seted up at both ends about the buffering stopper was kept away from piston one side, and the piston sets up inside the cylinder, piston and cylinder inner wall sliding connection, and the cylinder is close to buffering stopper one end fixedly connected with rear end cap, the utility model discloses the beneficial effect who reaches is: through setting up the triangular groove, the triangular groove on the buffering stopper plays the throttle effect, along with the removal of buffering stopper, the restriction area diminishes along with the triangular groove from shallow to dark structure gradually, when the buffering stopper gets into the buffer slot completely, hydraulic oil is released completely, make the buffering stopper in buffering process, the operation is even, the impact is little, through setting up the choke valve, the choke valve can be adjusted, thereby change the flow of advancing out oil, it is convenient simple, through setting up the check valve, when the setting up of check valve makes the piston return journey remove, hydraulic oil gets into the buffer slot rapidly, can the fuel feeding rapidly, can not produce the resistance.
Description
Technical Field
The utility model relates to a buffer, in particular to pneumatic cylinder buffer belongs to hydraulic pressure buffer technical field.
Background
The hydraulic cylinder is an actuating element in a hydraulic transmission system, an energy conversion device for converting hydraulic energy into mechanical energy can realize reciprocating motion by continuous inlet and outlet of hydraulic oil in a cylinder barrel, the hydraulic cylinder has a simple working principle and a small structure, generally comprises a cylinder cover, a piston rod, a piston, a buffer device and the like, is widely applied to various mechanical hydraulic systems, and is indispensable in use, the buffer device can slow down the speed and avoid direct friction impact between the piston and the cylinder bottom; when the piston returns, the piston is easy to start slowly because of thrust is not enough, leads to the oil feed slow, consequently in order to solve the problem that the above-mentioned exists, the utility model provides a pneumatic cylinder buffer.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a hydraulic cylinder buffer device, by arranging a triangular groove, a throttle valve, a one-way valve, a first sealing ring, a second sealing ring and a dustproof ring, the hydraulic cylinder buffer device effectively solves the problem that an oil discharge cavity is blocked, so that hydraulic oil comes out from an annular gap, but the buffer effect generated by the mode is poor, the throttle area cannot be changed, and the piston buffer device is not uniform in operation; when the piston returns, the piston is easy to start slowly due to insufficient thrust, so that the problem of slow oil inlet is caused.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a pneumatic cylinder buffer, including the buffering stopper, buffering stopper one end fixedly connected with piston, the buffering stopper is kept away from piston one side about both ends and has all been seted up the triangular groove, the piston sets up inside the cylinder, piston and cylinder inner wall sliding connection, the cylinder is close to buffering stopper one end fixedly connected with rear end cap, the inside buffering groove of having seted up near buffering stopper one side of rear end cap, first pore has been seted up on the inside upper portion of rear end cap, install the check valve on the first pore, the second pore has been seted up to the inside lower part of rear end cap, install the choke valve on the second pore.
As a preferred technical scheme of the utility model, the piston is kept away from buffering stopper one end fixedly connected with piston rod, the piston rod sets up inside the cylinder, the piston rod is kept away from piston one end and is run through the front end housing and extend to the front end housing outside, piston one end fixedly connected with rod end is kept away from to the piston rod.
As an optimal technical scheme of the utility model, piston one end fixedly connected with front end housing is kept away from to the cylinder, the piston rod is provided with the dust ring with front end housing caping junction, dust ring and front end housing fixed connection, the piston rod is provided with first sealing washer with the inside lateral wall junction of front end housing, first sealing washer and the inside lateral wall fixed connection of front end housing.
As an optimized technical scheme of the utility model, the piston lateral wall bonding has the second sealing washer, the second sealing washer gomphosis is between inside lateral wall of steel cylinder and piston.
As a preferred technical scheme of the utility model, first pore is linked together with the dashpot, the dashpot one end is kept away from in first pore and is run through the rear end cap upper end, the second pore is linked together with the dashpot, the dashpot one end is kept away from in the second pore and is run through the rear end cap lower extreme.
As the utility model discloses a preferred technical scheme, the diameter of buffering stopper and dashpot is the same, the length of buffering stopper and dashpot is the same.
The utility model discloses the beneficial effect who reaches is: the utility model relates to a hydraulic cylinder buffer device, through setting up the triangular groove, the triangular groove on the cushion plug plays the throttling action, along with the removal of cushion plug, the throttle area diminishes along with the structure of triangular groove from shallow to dark gradually, when the cushion plug completely gets into the cushion groove, hydraulic oil is pushed out completely, make the cushion plug in buffering process, the operation is even, the impact is little, through setting up the choke valve, the choke valve can be adjusted, thereby change the flow of business turn over oil, it is convenient and simple, through setting up the check valve, when the setting up of check valve makes the piston move backward, hydraulic oil gets into the cushion groove rapidly, can supply oil rapidly, can not produce the resistance, through setting up first sealing washer and second sealing washer, play the sealing action, make the piston rod seal with front end cap contact department, avoid hydraulic oil leakage, make the piston move with cylinder contact department more stably, avoid hydraulic oil to flow away from the gap, through setting up the dust ring, dust gets into when avoiding the front end housing to remove, plays dustproof effect, avoids the dust to get into inside the cylinder, and this device has fine practicality and popularization nature, convenient to popularize and use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic structural view of the buffer plug of the present invention;
fig. 3 is a cross-sectional view of the rear end cap of the present invention;
fig. 4 is a cross-sectional view of the front end cover of the present invention.
In the figure: 1. a buffer plug; 2. a piston; 3. a triangular groove; 4. a piston rod; 5. a rod end; 6. a front end cover; 7. a dust ring; 8. a first seal ring; 9. a cylinder barrel; 10. a rear end cap; 11. a buffer tank; 12. a one-way valve; 13. a first duct; 14. a throttle valve; 15. a second duct; 16. and a second seal ring.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-4, the utility model relates to a pneumatic cylinder buffer, including buffer plug 1, 1 one end fixedly connected with piston 2 of buffer plug, three angular groove 3 have all been seted up at both ends about buffer plug 1 keeps away from piston 2 one side, piston 2 sets up inside cylinder 9, piston 2 and 9 inner wall sliding connection of cylinder, cylinder 9 is close to 1 one end fixedly connected with rear end cap 10 of buffer plug, buffer groove 11 has been seted up to the inside buffer plug 1 one side that is close to of rear end cap 10, first pore 13 has been seted up on the inside upper portion of rear end cap 10, install check valve 12 on the first pore 13, second pore 15 has been seted up to the inside lower part of rear end cap 10, install choke valve 14 on the second pore 15.
One end of the piston 2, which is far away from the buffer plug 1, is fixedly connected with a piston rod 4, the piston rod 4 is arranged inside the cylinder 9, one end of the piston rod 4, which is far away from the piston 2, penetrates through the front end cover 6 and extends to the outside of the front end cover 6, one end of the piston rod 4, which is far away from the piston 2, is fixedly connected with a rod end 5, the piston rod 4 moves to drive the piston 2 to reciprocate in the cylinder 9, one end of the cylinder 9, which is far away from the piston 2, is fixedly connected with the front end cover 6, a dust ring 7 is arranged at the joint of the piston rod 4 and the top of the front end cover 6, the dust ring 7 is fixedly connected with the front end cover 6 to prevent dust from entering the inside of the cylinder 9, a first sealing ring 8 is arranged at the joint of the piston rod 4 and the inner side wall of the front, first sealing washer 8 and second sealing washer 16, make piston rod 4 sealed with front end housing 6 contact department, avoid hydraulic oil to leak, make piston 2 more stable with cylinder 9 contact department removal, avoid hydraulic oil to flow away from the gap, first pore 13 is linked together with dashpot 11, buffer pot 11 one end is kept away from in first pore 13 runs through rear end cap 10 upper end, second pore 15 is linked together with dashpot 11, second pore 15 is kept away from dashpot 11 one end and runs through rear end cap 10 lower extreme, hydraulic oil gets into from first pore 13, flow out from second pore 15, the diameter of buffer plug 1 is the same with dashpot 11, the length of buffer plug 1 is the same with dashpot 11, when making buffer plug 1 move to buffer pot 11 inside, dashpot 11 is sealed.
Specifically, when the buffering plug 1 moves to the inside of the buffering groove 11, the sealed buffering groove 11 enables hydraulic oil to be squeezed out from a second pore passage 15 on the lower side of the buffering groove 11, the triangular groove 3 on the buffering plug 1 has a throttling effect, the throttling area gradually decreases along with the structure that the triangular groove 3 is from shallow to deep along with the movement of the buffering plug 1, so that the buffering plug 1 is uniform in operation and small in impact in the buffering process, the throttling valve 14 can be adjusted, the flow of inlet oil and outlet oil is changed, when the piston 2 returns, the hydraulic oil enters from the first pore passage 13 to push the piston 2 to move in the cylinder 9, the check valve 12 is arranged to enable the piston 2 to rapidly supply oil without resistance when the piston 2 returns, the first sealing ring 8 and the second sealing ring 16 play a sealing role, so that the contact position of the piston rod 4 and the front end cover 6 is sealed, avoid hydraulic oil to leak for piston 2 removes more stably with cylinder contact department, avoids hydraulic oil to flow away from the gap, and dust ring 7 plays dustproof effect, avoids the dust to get into inside cylinder 9, and this device has fine practicality and popularization nature, convenient to popularize and use.
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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A hydraulic cylinder buffer device is characterized by comprising a buffer plug (1), wherein one end of the buffer plug (1) is fixedly connected with a piston (2), the upper end and the lower end of one side of the buffer plug (1) far away from the piston (2) are both provided with triangular grooves (3), the piston (2) is arranged inside the cylinder barrel (9), the piston (2) is connected with the inner wall of the cylinder barrel (9) in a sliding way, one end of the cylinder barrel (9) close to the buffer plug (1) is fixedly connected with a rear end cover (10), a buffer groove (11) is arranged at one side of the inner part of the rear end cover (10) close to the buffer plug (1), a first pore channel (13) is arranged at the upper part in the rear end cover (10), a one-way valve (12) is arranged on the first pore channel (13), and a second pore passage (15) is formed in the lower part of the interior of the rear end cover (10), and a throttle valve (14) is installed on the second pore passage (15).
2. The hydraulic cylinder buffering device according to claim 1, wherein a piston rod (4) is fixedly connected to one end, away from the buffering plug (1), of the piston (2), the piston rod (4) is arranged inside the cylinder barrel (9), one end, away from the piston (2), of the piston rod (4) penetrates through the front end cover (6) and extends to the outside of the front end cover (6), and a rod end (5) is fixedly connected to one end, away from the piston (2), of the piston rod (4).
3. The hydraulic cylinder buffering device according to claim 2, wherein one end of the cylinder barrel (9) far away from the piston (2) is fixedly connected with a front end cover (6), a dust ring (7) is arranged at the joint of the piston rod (4) and the top of the front end cover (6), the dust ring (7) is fixedly connected with the front end cover (6), a first sealing ring (8) is arranged at the joint of the piston rod (4) and the inner side wall of the front end cover (6), and the first sealing ring (8) is fixedly connected with the inner side wall of the front end cover (6).
4. A cylinder damper arrangement according to claim 1, characterised in that a second sealing ring (16) is bonded to the side wall of the piston (2), the second sealing ring (16) being fitted between the inner side wall of the cylinder tube (9) and the piston (2).
5. A hydraulic cylinder shock absorber according to claim 1, wherein the first hole (13) is communicated with the buffer slot (11), the end of the first hole (13) far from the buffer slot (11) penetrates the upper end of the rear end cover (10), the second hole (15) is communicated with the buffer slot (11), and the end of the second hole (15) far from the buffer slot (11) penetrates the lower end of the rear end cover (10).
6. A cylinder cushioning device according to claim 1, characterized in that the diameter of the cushioning plug (1) is the same as the diameter of the cushioning groove (11), and the length of the cushioning plug (1) is the same as the length of the cushioning groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355407.7U CN212509055U (en) | 2020-03-20 | 2020-03-20 | Hydraulic cylinder buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020355407.7U CN212509055U (en) | 2020-03-20 | 2020-03-20 | Hydraulic cylinder buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509055U true CN212509055U (en) | 2021-02-09 |
Family
ID=74441287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020355407.7U Expired - Fee Related CN212509055U (en) | 2020-03-20 | 2020-03-20 | Hydraulic cylinder buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175459A (en) * | 2021-03-18 | 2021-07-27 | 宣化钢铁集团有限责任公司 | Hydraulic cylinder variable throttling rear buffering device |
| CN114934890A (en) * | 2022-06-17 | 2022-08-23 | 西安交通大学 | Hydraulic drive compressor |
-
2020
- 2020-03-20 CN CN202020355407.7U patent/CN212509055U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175459A (en) * | 2021-03-18 | 2021-07-27 | 宣化钢铁集团有限责任公司 | Hydraulic cylinder variable throttling rear buffering device |
| CN114934890A (en) * | 2022-06-17 | 2022-08-23 | 西安交通大学 | Hydraulic drive compressor |
| CN114934890B (en) * | 2022-06-17 | 2023-09-01 | 西安交通大学 | Hydraulic drive compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |