CN219711934U - Buffer device for hydraulic cylinder - Google Patents
Buffer device for hydraulic cylinder Download PDFInfo
- Publication number
- CN219711934U CN219711934U CN202320755222.9U CN202320755222U CN219711934U CN 219711934 U CN219711934 U CN 219711934U CN 202320755222 U CN202320755222 U CN 202320755222U CN 219711934 U CN219711934 U CN 219711934U
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- left end
- cylinder
- connecting plate
- piston
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- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000003139 buffering effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulic cylinders, and particularly relates to a buffer device for a hydraulic cylinder, which comprises a cylinder barrel and a piston, wherein the piston is connected to the inner side of the cylinder barrel in a sliding manner, the left end of the piston is fixedly connected with an output shaft, the left and right ends of the upper part of the outer side of the cylinder barrel are fixedly connected with oil inlet pipes, the left end of the cylinder barrel is connected with a disassembly and assembly mechanism, the disassembly and assembly mechanism comprises a sealing plate, a connecting plate, a clamping frame, a fixing frame, a spring, a circular ring and a plug rod, the sealing plate is connected to the left end of the cylinder barrel, the connecting plate is fixedly connected to the left end of the outer side of the cylinder barrel, and the clamping frame is connected to the outer side of the connecting plate. When the buffer device for the hydraulic cylinder is used, the inserted link is pulled rightward firstly, so that the inserted link is not positioned in round holes around the sealing plate and the inside of the connecting plate, the clamping frame is taken down from the periphery of the sealing plate and the connecting plate, then the sealing plate is taken down from the left end of the connecting plate, and then the piston is taken out from the inner side of the cylinder barrel, so that the hydraulic cylinder can be maintained.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a buffer device for a hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and performs linear reciprocating motion, the structure is simple, the work is reliable, a speed reducing device can be omitted when the hydraulic actuating element is used for realizing reciprocating motion, a transmission gap is avoided, the hydraulic actuating element moves steadily, and therefore the hydraulic actuating element is widely applied to hydraulic systems of various machines, the hydraulic cylinder is used as the most important power actuating element and key parts in the hydraulic transmission system, the safety of the hydraulic actuating element is required to be high, and in the use process, a buffer device for the hydraulic cylinder is required to be used in order to avoid damage of a piston rod in the reciprocating motion process.
But current hydraulic cylinder is lower to the cushioning effect of piston, and the piston is reciprocating motion in the cylinder body, produces the impact force to the both ends of cylinder body, causes the cylinder body to damage easily to influence the normal use of pneumatic cylinder, and hydraulic cylinder is in long-time use, because piston rod is reciprocating motion in the inside and outside both sides of cylinder body, makes the dust in the cylinder body outside air enter into in the cylinder body easily, makes the piston rod produce wearing and tearing, and causes the pollution to the power oil in the cylinder body.
In the process that the piston reciprocates in the cylinder body, when the piston reaches the position of the cylinder cover, the first buffer pad is used for buffering the piston, so that the power of the piston is reduced, the impact force on the cylinder cover is reduced, when the piston moves to the cylinder bottom, the impact force of the piston is reduced through the telescopic action of the buffer plunger, and when the buffer plunger collides and contacts with the second buffer pad, the impact force transmitted by the buffer plunger is buffered by the second buffer pad, so that the impact force of the piston on the cylinder bottom is greatly reduced, and the cylinder bottom is effectively protected; through being provided with dust ring, piston rod sealing washer and piston sealing washer.
However, the hydraulic cylinder is inconvenient to disassemble and assemble, so that the hydraulic cylinder is difficult to repair after disassembly when damaged.
Therefore, it is needed to provide a buffer device for hydraulic cylinders, which is convenient to disassemble and assemble.
Disclosure of Invention
The utility model aims to provide a buffer device for a hydraulic cylinder, which solves the problems that the hydraulic cylinder is inconvenient to disassemble and assemble and is difficult to repair after being disassembled when damaged.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a buffer that hydraulic cylinder used, includes cylinder and piston, piston sliding connection is in the inboard of cylinder, the left end fixedly connected with output shaft of piston, both ends fixedly connected with advances oil pipe about the outside top of cylinder, the left end of cylinder is connected with dismouting mechanism.
The disassembly and assembly mechanism comprises a sealing plate, a connecting plate, a clamping frame, a fixed frame, a spring, a circular ring and an inserted link, wherein the sealing plate is connected to the left end of the cylinder barrel, the connecting plate is fixedly connected to the left end of the outside of the cylinder barrel, the clamping frame is connected to the outside of the connecting plate, the fixed frame is fixedly connected to the right side of the clamping frame, the spring is fixedly connected to the right end of the inner side of the fixed frame, the circular ring is fixedly connected to the left end of the spring, and the inserted link is fixedly connected to the inner side of the circular ring.
The sealing plate is characterized in that a sliding hole is formed in the sealing plate, the outer side of the output shaft is in sliding connection with the inner side of the sliding hole, and a rubber pad is fixedly connected with the inner side of the sliding hole, so that the outer side of the output shaft is in contact with the rubber pad, and the sealing performance of the contact part of the sliding hole and the output shaft is ensured.
The further improvement lies in, the right-hand member butt of shrouding and the left end butt of connecting plate, shrouding and connecting plate outside four corners department and card frame inboard butt to in the outside four corners department with card frame joint to continuous shrouding and connecting plate, can make the shrouding be fixed to the left end of connecting plate.
The improvement is that the round holes are formed in the left end and the right end of the inside of the clamping frame, and the outer side of the inserted link is in sliding connection with the inner side of the round hole, so that the movement of the inserted link is limited.
The improvement lies in that the jack has been seted up to shrouding and the inside four corners department of connecting plate, the left side of ring and the right side butt of card frame, the left end outside of inserted bar is pegged graft with the inboard of jack.
The cylinder barrel is characterized in that a buffer mechanism is connected to the inside of the cylinder barrel and comprises a first buffer cushion and a second buffer cushion, the first buffer cushion is fixedly connected to the right end of the inner side of the cylinder barrel, and the second buffer cushion is fixedly connected to the right side of the sealing plate.
The further improvement lies in, the through-hole has been seted up to the inside of second blotter, the outside of output shaft and the inboard sliding connection of through-hole, the right-hand member of piston and the left end butt of first blotter, the left end butt of piston and the right-hand member butt of second blotter to advance when piston motion to cylinder left end and right end, contact first blotter or second blotter, play the effect of buffering.
In summary, the utility model discloses a buffer device for a hydraulic cylinder.
According to the technical scheme, after the piston slides to the inner side of the cylinder barrel, the sealing plate is placed at the left end of the connecting plate, then the inserting rod is pulled rightwards to enable the inserting rod not to be located in the clamping frame any more, the clamping frame is placed at four corners of the outer sides of the connecting plate and the sealing plate, then the inserting rod spring is loosened to rebound to push the circular ring leftwards to drive the left end of the inserting rod to be inserted into the sealing plate and the jacks around the connecting plate, the sealing plate can be fixed to the left end of the connecting plate, and then the hydraulic cylinder can be installed; after the inserted bar is pulled to the right so that the inserted bar is no longer positioned in the round hole, the clamping frame can be taken down from the periphery of the sealing plate and the connecting plate, the sealing plate can be taken down from the left end of the connecting plate, and the hydraulic cylinder can be disassembled, so that the hydraulic cylinder can be disassembled and assembled quickly through the disassembling and assembling mechanism, and the hydraulic cylinder is convenient to maintain when damaged.
Further, oil entering the cylinder barrel reciprocates when pushing the piston to the leftmost end and the rightmost end of the inner side of the cylinder barrel, and the piston contacts the first buffer cushion or the second buffer cushion to buffer, so that the inner side of the cylinder barrel is protected.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a cross-sectional view of the body structure of the present utility model;
FIG. 3 is a schematic view of the left end of the cylinder barrel according to the present utility model;
fig. 4 is a schematic diagram of a card frame according to the present utility model.
In the figure: 1. a cylinder; 2. a piston; 3. an output shaft; 4. an oil inlet pipe; 501. a sealing plate; 502. a connecting plate; 503. a clamping frame; 504. a fixed frame; 505. a spring; 506. a circular ring; 507. a rod; 601. a first cushion pad; 602. and a second cushion pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution:
embodiment one:
the utility model provides a buffer that hydraulic cylinder used, includes cylinder 1 and piston 2, and piston 2 sliding connection is in the inboard of cylinder 1, and the left end fixedly connected with output shaft 3 of piston 2, the both ends fixedly connected with advances oil pipe 4 about the outside top of cylinder 1, and the left end of cylinder 1 is connected with dismouting mechanism.
The disassembly and assembly mechanism comprises a sealing plate 501, a connecting plate 502, a clamping frame 503, a fixing frame 504, a spring 505, a circular ring 506 and an inserting rod 507, wherein the sealing plate 501 is connected to the left end of the cylinder barrel 1, a sliding hole is formed in the sealing plate 501, the outer side of the output shaft 3 is in sliding connection with the inner side of the sliding hole, and a rubber pad is fixedly connected to the inner side of the sliding hole. Therefore, oil is input into the cylinder barrel 1 from the oil inlet pipe 4, and when the piston 2 is pushed to drive the output shaft 3 to move and slide in the sliding hole, the outer side of the output shaft 3 is in contact with the rubber pad, so that the tightness of the contact part of the sliding hole and the output shaft 3 is ensured, and oil leakage in the cylinder barrel 1 is prevented.
The connecting plate 502 is fixedly connected to the left end of the outer side of the cylinder barrel 1, the clamping frame 503 is connected to the outer side of the connecting plate 502, the right end of the sealing plate 501 is abutted to the left end of the connecting plate 502, and the sealing plate 501 and four corners of the outer side of the connecting plate 502 are abutted to the inner side of the clamping frame 503. Thus, after the sealing plate 501 is placed at the left end of the connecting plate 502, the clamping frames 503 are clamped to the outer four corners of the connecting sealing plate 501 and the connecting plate 502, so that the sealing plate 501 is fixed to the left end of the connecting plate 502.
The fixed frame 504 is fixedly connected to the right side of the clamping frame 503, the spring 505 is fixedly connected to the right end of the inner side of the fixed frame 504, the circular ring 506 is fixedly connected to the left end of the spring 505, and the inserting rod 507 is fixedly connected to the inner side of the circular ring 506. Round holes are formed in the left end and the right end of the inside of the clamping frame 503, and the outer side of the inserting rod 507 is in sliding connection with the inner side of the round hole. Therefore, when the inserted link 507 is pulled, the inserted link 507 can only slide along the inner side of the round hole, thereby playing a limiting role on the movement of the inserted link 507.
The jacks are formed in four corners of the inside of the sealing plate 501 and the connecting plate 502, the left side of the circular ring 506 is abutted to the right side of the clamping frame 503, the outer side of the left end of the inserting rod 507 is spliced with the inner side of the jacks, therefore, after the piston 2 slides to the inner side of the cylinder barrel 1, the sealing plate 501 is placed at the left end of the connecting plate 502, then the inserting rod 507 is pulled rightwards, so that the inserting rod 507 is not positioned in the clamping frame 503 any more, the clamping frame 503 is placed at the four corners of the outer sides of the connecting plate 502, the spring 505 of the inserting rod 507 is loosened to rebound to push the circular ring 506 leftwards, the left end of the inserting rod 507 is driven to be inserted into the jacks around the sealing plate 501 and the connecting plate 502, the sealing plate 501 can be fixed to the left end of the connecting plate 502, and the installation of the hydraulic cylinder can be completed.
Embodiment two:
based on the first embodiment: the inside of cylinder 1 is connected with buffer gear, and buffer gear includes first blotter 601 and second blotter 602, and first blotter 601 fixed connection is in the inboard right-hand member of cylinder 1, and second blotter 602 fixed connection is in the right side of shrouding 501. The through hole is formed in the second cushion 602, the outer side of the output shaft 3 is slidably connected with the inner side of the through hole, the right end of the piston 2 is abutted to the left end of the first cushion 601, and the left end of the piston 2 is abutted to the right end of the second cushion 602. Therefore, when the piston 2 is pushed to reciprocate inside the cylinder 1, the oil entering the cylinder 1 contacts the first cushion pad 601 or the second cushion pad 602 when the piston 2 moves to the leftmost end and the rightmost end of the cylinder 1, thereby playing a role in buffering and protecting the inside of the cylinder 1.
When the hydraulic cylinder is used, the inserting rod 507 is pulled rightward, so that the inserting rod 507 is not positioned in round holes around the inside of the sealing plate 501 and the connecting plate 502 any more, the clamping frame 503 is taken down around the sealing plate 501 and the connecting plate 502, then the sealing plate 501 is taken down from the left end of the connecting plate 502, and the piston 2 is taken out from the inner side of the cylinder barrel 1, so that the hydraulic cylinder can be maintained.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The utility model provides a buffer that hydraulic cylinder used, includes cylinder (1) and piston (2), piston (2) sliding connection is in the inboard of cylinder (1), its characterized in that: the left end of the piston (2) is fixedly connected with an output shaft (3), the left end and the right end above the outer side of the cylinder barrel (1) are fixedly connected with oil inlet pipes (4), and the left end of the cylinder barrel (1) is connected with a disassembly and assembly mechanism;
the disassembly and assembly mechanism comprises a sealing plate (501), a connecting plate (502), a clamping frame (503), a fixing frame (504), a spring (505), a circular ring (506) and an inserting rod (507), wherein the sealing plate (501) is connected to the left end of the cylinder barrel (1), the connecting plate (502) is fixedly connected to the left end of the outer side of the cylinder barrel (1), the clamping frame (503) is connected to the outer side of the connecting plate (502), the fixing frame (504) is fixedly connected to the right side of the clamping frame (503), the spring (505) is fixedly connected to the right end of the inner side of the fixing frame (504), the circular ring (506) is fixedly connected to the left end of the spring (505), and the inserting rod (507) is fixedly connected to the inner side of the circular ring (506).
2. The buffering mechanism for a hydraulic cylinder as set forth in claim 1, wherein: the inside of shrouding (501) has seted up the slide opening, the outside of output shaft (3) and the inboard sliding connection of slide opening, and the inboard fixedly connected with rubber pad of slide opening.
3. The buffering mechanism for a hydraulic cylinder as set forth in claim 1, wherein: the right end of shrouding (501) and the left end butt of connecting plate (502), shrouding (501) and connecting plate (502) outside four corners department with card frame (503) inboard butt.
4. The buffering mechanism for a hydraulic cylinder as set forth in claim 1, wherein: round holes are formed in the left end and the right end of the inside of the clamping frame (503), and the outer side of the inserted link (507) is in sliding connection with the inner side of the round hole.
5. The buffering mechanism for a hydraulic cylinder as set forth in claim 1, wherein: the sealing plate (501) and the four corners of the inside of the connecting plate (502) are provided with jacks, the left side of the circular ring (506) is abutted to the right side of the clamping frame (503), and the outer side of the left end of the inserting rod (507) is spliced with the inner side of each jack.
6. The buffering mechanism for a hydraulic cylinder as set forth in claim 1, wherein: the inside of cylinder (1) is connected with buffer gear, buffer gear includes first blotter (601) and second blotter (602), first blotter (601) fixed connection is in the inboard right-hand member of cylinder (1), second blotter (602) fixed connection is in the right side of shrouding (501).
7. The buffering mechanism for a hydraulic cylinder as recited in claim 6, wherein: the inside of second blotter (602) has seted up the through-hole, the outside of output shaft (3) and the inboard sliding connection of through-hole, the right-hand member of piston (2) and the left end butt of first blotter (601), the left end of piston (2) and the right-hand member butt of second blotter (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320755222.9U CN219711934U (en) | 2023-04-07 | 2023-04-07 | Buffer device for hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320755222.9U CN219711934U (en) | 2023-04-07 | 2023-04-07 | Buffer device for hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711934U true CN219711934U (en) | 2023-09-19 |
Family
ID=88004938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320755222.9U Active CN219711934U (en) | 2023-04-07 | 2023-04-07 | Buffer device for hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711934U (en) |
-
2023
- 2023-04-07 CN CN202320755222.9U patent/CN219711934U/en active Active
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