CN211693050U - Floating type buffer hydraulic oil cylinder - Google Patents
Floating type buffer hydraulic oil cylinder Download PDFInfo
- Publication number
- CN211693050U CN211693050U CN202020270774.7U CN202020270774U CN211693050U CN 211693050 U CN211693050 U CN 211693050U CN 202020270774 U CN202020270774 U CN 202020270774U CN 211693050 U CN211693050 U CN 211693050U
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- Prior art keywords
- cylinder
- piston rod
- sleeve
- fixedly connected
- cylinder liner
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- 239000010720 hydraulic oil Substances 0.000 title description 4
- 230000003139 buffering effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 32
- 238000009434 installation Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a floating buffer hydraulic cylinder belongs to hydraulic cylinder technical field, the hydraulic cylinder comprises a cylinder barrel, the equal fixedly connected with cylinder liner in the left and right sides of cylinder, the inner wall swing joint of cylinder has the piston rod, and the piston rod runs through the left side the cylinder liner extends to the outside of cylinder liner. The utility model discloses a set up the buffering subassembly, make the impact force that the piston rod received when reciprocating motion diminish, the effectual impact force that reduces between piston rod and the cylinder liner, the life of the inside spare part of extension hydro-cylinder, play the guard action to the cylinder liner, through setting up adjusting part, set up adjusting part at the top of cylinder liner, can effectual reduction production cylinder liner's the cost and the degree of difficulty, with low in production cost, thereby reach the effect that the throttle is with low costs, through setting up the cushion collar, increase the area of contact of piston rod when with the left side cylinder liner contact, play the effect of buffering, thereby reach the effect of protection piston rod extension fixture life.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field, more specifically say, relate to a floating buffering hydraulic cylinder.
Background
The hydraulic cylinder is an actuating element in a hydraulic transmission system, and is an energy conversion device for converting hydraulic energy into mechanical energy, a hydraulic motor realizes continuous rotary motion, the hydraulic cylinder realizes reciprocating motion, the structural types of the hydraulic cylinder comprise three types of piston cylinders, plunger cylinders and swing cylinders, the piston cylinders and the plunger cylinders realize reciprocating linear motion, output speed and thrust, the swing cylinders realize reciprocating swing and output angular speed (rotating speed) and torque, and the hydraulic cylinder can be used singly or in combination of two or more of the hydraulic cylinders or other mechanisms to complete special functions. The hydraulic cylinder has simple structure and reliable work and is widely applied to a hydraulic system of a machine tool.
At present, hydraulic cylinder's buffer is mostly to open the oilhole on the cylinder bottom, be equipped with the buffering plunger on the piston rod, when the piston rod moves to the cylinder bottom soon to the stroke end, the buffering plunger gets into in the oilhole of cylinder bottom, fluid can only flow out through the buffering clearance that buffering plunger and cylinder bottom oilhole formed, thereby reach buffering effect, however, buffering clearance often because the welding of cylinder bottom or the condition of neglecting little appears in the assembly, lead to buffering effect poor, if additionally increase the flow controller on the cylinder bottom and carry out the throttle adjustment, must bring the increase of manufacturing cost and processing degree of difficulty, current piston rod is when reciprocating motion, can strike the cylinder liner bottom, current buffering subassembly buffering effect is poor, there are the problem that cylinder liner life is short and throttle is with high costs.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a floating buffer hydraulic cylinder possesses cylinder liner long service life and the advantage that the throttle cost is low, has solved the problem that cylinder liner life is short and the throttle cost is high.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A floating type buffer hydraulic cylinder comprises a cylinder barrel, wherein cylinder sleeves are fixedly connected to the left side and the right side of the cylinder barrel, a piston rod is movably connected to the inner wall of the cylinder barrel and penetrates through the left side of the cylinder sleeve and extends to the outside of the cylinder sleeve, a piston sleeve is fixedly connected to the surface of the piston rod, a buffer sleeve positioned on the left side of the piston sleeve is fixedly connected to the surface of the piston rod, a buffer assembly is fixedly connected to the right side of the piston rod, a first oil groove is formed in the bottom of the cylinder sleeve on the right side, the bottom of the first oil groove is communicated with a first oil pipe, a buffer groove is formed in the left side of the cylinder sleeve, a second oil groove is formed in the bottom of the cylinder sleeve on the left side, a second oil pipe is communicated with the bottom of the second oil groove, auxiliary oil grooves are formed in the two cylinder, the top of two the equal threaded connection of cylinder liner has adjusting part, the fixed surface of cylinder barrel is connected with the mounting bracket.
Preferably, the buffering subassembly includes square piece, square groove has been seted up to square piece's inside, the inner wall fixed connection spring in square groove, the left side fixedly connected with connecting rod of spring, and the connecting rod runs through square piece and extends to square piece's outside.
Preferably, the top of the cylinder sleeve is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with an adjusting screw rod, and the top of the adjusting screw rod is fixedly connected with an inner hexagonal seat.
Preferably, the surface of the mounting rack is provided with uniformly distributed mounting holes.
Preferably, the left side of the cylinder sleeve is fixedly connected with a fixed sleeve, a sealing ring is arranged on the inner wall of the fixed sleeve, and the sealing ring is in close contact with the surface of the piston rod.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the floating type buffering hydraulic oil cylinder is provided with the buffering component, so that the impact force applied to the piston rod during reciprocating motion is reduced, the impact force between the piston rod and the cylinder sleeve is effectively reduced, the service life of parts in the oil cylinder is prolonged, the cylinder sleeve is protected, the adjusting component is arranged at the top of the cylinder sleeve, the cost and the difficulty of producing the cylinder sleeve can be effectively reduced, the production cost is low, thereby achieving the effect of low throttling cost, increasing the contact area of the piston rod when the piston rod is contacted with the left cylinder sleeve by arranging the buffer sleeve, playing the role of buffering, thereby achieving the effect of protecting the piston rod and prolonging the service life of the device, when the device is fixedly installed, the installation can be directly through the mounting hole, easy operation reduces the installation degree of difficulty, also makes the device more firm when the installation.
(2) This floating buffering hydraulic cylinder, through setting up the sealing washer, strengthen the leakproofness of device, avoid the phenomenon that the oil leak appears inadequately in the device leakproofness.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front sectional view of the present invention;
FIG. 3 is an enlarged view of the present invention at B in FIG. 2;
fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.
The reference numbers in the figures illustrate:
1. a cylinder barrel; 2. a piston rod; 3. a piston sleeve; 4. a buffer sleeve; 5. a buffer assembly; 501. a square block; 502. a spring; 503. a connecting rod; 6. a cylinder liner; 601. fixing the sleeve; 602. a seal ring; 7. an auxiliary oil groove; 8. a first oil groove; 9. a buffer tank; 10. a first oil pipe; 11. a second oil groove; 12. a second oil pipe; 13. an adjustment assembly; 1301. a threaded hole; 1302. adjusting the screw rod; 1303. an inner hexagonal base; 14. a mounting frame; 1401. and (7) installing holes.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a floating type buffer hydraulic cylinder comprises a cylinder barrel 1, wherein cylinder sleeves 6 are fixedly connected to the left and right sides of the cylinder barrel 1, a piston rod 2 is movably connected to the inner wall of the cylinder barrel 1, the piston rod 2 penetrates through the left cylinder sleeve 6 and extends to the outside of the cylinder sleeve 6, a piston sleeve 3 is fixedly connected to the surface of the piston rod 2, a buffer sleeve 4 positioned on the left side of the piston sleeve 3 is fixedly connected to the surface of the piston rod 2, a buffer assembly 5 is fixedly connected to the right side of the piston rod 2, a first oil groove 8 is formed in the bottom of the right cylinder sleeve 6, a first oil pipe 10 is communicated with the bottom of the first oil groove 8, a buffer groove 9 is formed in the left side of the cylinder sleeve 6, a second oil groove 11 is formed in the bottom of the left cylinder sleeve 6, a second oil pipe 12 is communicated with the bottom of the second oil, the left auxiliary oil groove 7 is communicated with the first oil groove 8, the top parts of the two cylinder sleeves 6 are in threaded connection with an adjusting assembly 13, and the outer surface of the cylinder barrel 1 is fixedly connected with an installation frame 14.
Further, buffering subassembly 5 includes square piece 501, square groove has been seted up to square piece 501's inside, the inner wall fixed connection spring 502 in square groove, spring 502's left side fixedly connected with connecting rod 503, and connecting rod 503 runs through square piece 501 and extends to square piece 501's outside, through setting up buffering subassembly 5, the impact force that makes piston rod 2 receive when reciprocating motion diminishes, the effectual impact force that reduces between piston rod 2 and the cylinder liner 6, the life of the inside spare part of extension hydro-cylinder, play the guard action to cylinder liner 6.
Further, threaded hole 1301 is seted up at the top of cylinder liner 6, and the inner wall threaded connection of threaded hole 1301 has accommodate the lead screw 1302, and the hexagonal seat 1303 in top fixedly connected with of accommodate the lead screw 1302 sets up adjusting part 13 through setting up adjusting part 13 at the top of cylinder liner 6, can effectual reduction production cylinder liner 6's cost and the degree of difficulty, will low in production cost to reach the effect that the throttle cost is low.
Further, the surface of the mounting frame 14 is provided with uniformly distributed mounting holes 1401, and by means of the mounting frame 14, the device can be directly mounted through the mounting holes 1401 when being fixedly mounted, so that the operation is simple, the mounting difficulty is reduced, and the device is more stable when being mounted.
Further, the left side fixedly connected with fixed sleeve 601 of left side cylinder liner 6, the inner wall of fixed sleeve 601 is provided with sealing washer 602, and sealing washer 602 and piston rod 2's surface in close contact with, through setting up sealing washer 602, strengthen the leakproofness of device, avoid the phenomenon that the oil leak appears in the device leakproofness inadequately.
The working principle is as follows: the device is well installed through the installation hole 1401 in the surface of the installation frame 14, the installation frame 14 is arranged, when the device is fixedly installed, the device can be directly installed through the installation hole 1401, the operation is simple, the installation difficulty is reduced, the device is more stable when being installed, when the device is operated, the oil of the first oil pipe 10 enters the oil and reaches the inside of the cylinder barrel 1 through the first oil groove 8, the hydraulic oil pushes the piston sleeve 3 and the piston rod 2 to move to the left side through the hydraulic effect, when the piston sleeve moves to a certain position, the buffer sleeve 4 is contacted with the inner wall of the left cylinder sleeve 6, the contact area of the piston rod 2 when the piston rod is contacted with the left cylinder sleeve 6 is increased through the arrangement of the buffer sleeve 4, the buffer effect is achieved, the effect of protecting the piston rod 2 and prolonging the service life of the device is achieved, the working effect is achieved, the, thereby moving to the right through the piston rod 2 and the piston sleeve 3, the first oil pipe 10 and the auxiliary oil pipe flow back, the buffer assembly 5 is directly contacted with the buffer groove 9, the square block 501 is directly contacted with the buffer groove 9, the spring 502 is stressed and bent, the effect of buffering the piston rod 2 is achieved through the connecting rod 503, the impact force applied to the piston rod 2 during reciprocating motion is reduced through the arrangement of the buffer assembly 5, the impact force between the piston rod 2 and the cylinder sleeve 6 is effectively reduced, the service life of parts in the oil cylinder is prolonged, the cylinder sleeve 6 is protected, a reaction force of backflow can be generated at the same time, the frequency of reciprocating motion is accelerated, the efficiency is improved, when the flow of the oil pipe needs to be adjusted, the inner hexagonal seat 1303 is rotated through a tool, the adjusting screw rod 1302 moves in a threaded hole, the adjusting effect is achieved, through the arrangement of the adjusting assembly 13, set up adjusting part 13 at the top of cylinder liner 6, can effectual reduction production cylinder liner 6's cost and degree of difficulty, with low in production cost to reach the effect that the throttle is with low costs, sealing washer 602 plays sealed effect to the device, through setting up sealing washer 602, strengthens the seal of device, avoids the phenomenon that the oil leak appears inadequately in the device leakproofness.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a floating buffering hydraulic cylinder, includes cylinder (1), its characterized in that: the cylinder sleeve is characterized in that cylinder sleeves (6) are fixedly connected to the left side and the right side of the cylinder barrel (1), a piston rod (2) is movably connected to the inner wall of the cylinder barrel (1), the piston rod (2) penetrates through the left side of the cylinder sleeve (6) and extends to the outside of the cylinder sleeve (6), a piston sleeve (3) is fixedly connected to the surface of the piston rod (2), a buffer sleeve (4) positioned on the left side of the piston sleeve (3) is fixedly connected to the surface of the piston rod (2), a buffer component (5) is fixedly connected to the right side of the piston rod (2), a first oil groove (8) is formed in the bottom of the cylinder sleeve (6) on the right side, a first oil pipe (10) is communicated with the bottom of the first oil groove (8), a buffer groove (9) is formed in the left side of the cylinder sleeve (6), a second oil groove (11) is formed in the bottom of the, two supplementary oil groove (7) have all been seted up to the inside of cylinder liner (6), left supplementary oil groove (7) and second oil groove (11) intercommunication, left side supplementary oil groove (7) and first oil groove (8) intercommunication, two the equal threaded connection in top of cylinder liner (6) has adjusting part (13), the fixed surface of cylinder (1) is connected with mounting bracket (14).
2. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: buffer unit (5) are including square piece (501), square groove has been seted up to the inside of square piece (501), the inner wall fixed connection spring (502) in square groove, the left side fixedly connected with connecting rod (503) of spring (502), and connecting rod (503) run through square piece (501) and extend to the outside of square piece (501).
3. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: the top of the cylinder sleeve (6) is provided with a threaded hole (1301), the inner wall of the threaded hole (1301) is in threaded connection with an adjusting screw rod (1302), and the top of the adjusting screw rod (1302) is fixedly connected with an inner hexagonal seat (1303).
4. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: the surface of the mounting rack (14) is provided with uniformly distributed mounting holes (1401).
5. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: the left side fixedly connected with fixed sleeve (601) of cylinder liner (6), the inner wall of fixed sleeve (601) is provided with sealing washer (602), the surface in close contact with of sealing washer (602) and piston rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270774.7U CN211693050U (en) | 2020-03-08 | 2020-03-08 | Floating type buffer hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020270774.7U CN211693050U (en) | 2020-03-08 | 2020-03-08 | Floating type buffer hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211693050U true CN211693050U (en) | 2020-10-16 |
Family
ID=72779278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020270774.7U Expired - Fee Related CN211693050U (en) | 2020-03-08 | 2020-03-08 | Floating type buffer hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211693050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943738A (en) * | 2021-02-04 | 2021-06-11 | 张嘉乐 | Constant throttling type buffer structure |
| CN114215817A (en) * | 2021-12-17 | 2022-03-22 | 建湖县八达液压机械有限公司 | Hydraulic cylinder protection device and hydraulic cylinder with same |
-
2020
- 2020-03-08 CN CN202020270774.7U patent/CN211693050U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943738A (en) * | 2021-02-04 | 2021-06-11 | 张嘉乐 | Constant throttling type buffer structure |
| CN114215817A (en) * | 2021-12-17 | 2022-03-22 | 建湖县八达液压机械有限公司 | Hydraulic cylinder protection device and hydraulic cylinder with same |
| CN114215817B (en) * | 2021-12-17 | 2024-03-01 | 建湖县八达液压机械有限公司 | Hydraulic cylinder with protection device |
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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: 20201016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |