CN210265330U

CN210265330U - Adjustable oil cylinder with buffer structure for mechanical equipment

Info

Publication number: CN210265330U
Application number: CN201920777213.3U
Authority: CN
Inventors: 何建华; 何亚; 吴鹏
Original assignee: Changzhou Xuanhao Machinery Co ltd
Current assignee: Changzhou Xuanhao Machinery Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-04-07
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses an adjustable oil cylinder for mechanical equipment with buffer structure, including cylinder body, piston main part, main seal pad, oil pocket, through-hole, violently pipe, disc, recess, oil pipe, oil seal pad, sleeve pipe, piston movable plate, siphunculus, spring, screw thread, spacing post, bearing, straight-bar, arc springboard, piston bracing piece, this oil cylinder is when carrying out buffering work, and the buffering oil body in the oil pocket can get into the sleeve pipe, and with the interaction of piston movable plate, the spring can be corresponding compress or reset work, thereby realize buffering work, improve the life-span of oil cylinder, and the installation of arc springboard in the piston main part, make the cushioning effect of this oil cylinder obtain further improvement; still with the position relation between horizontal pipe of regulation and the sleeve pipe, change the compression of spring or the process distance that resets, and then can realize adjusting buffer pressure's effect for holistic buffering effect becomes better and accurate.

Description

Adjustable oil cylinder with buffer structure for mechanical equipment

Technical Field

The utility model relates to a hydro-cylinder technical field specifically is a hydro-cylinder for mechanical equipment with adjustable buffer structure.

Background

During the rapid movement of the hydraulic cylinder, strong impact, noise and even mechanical collision can be generated at the stroke end, especially under the condition of high pressure, the influence is more obvious, the service life of the hydraulic cylinder is seriously influenced, therefore, proper braking and buffering must be carried out before the movement is finished to ensure the service life of the system and the hydraulic cylinder, and the commonly used buffering method comprises internal buffering of the hydraulic cylinder and external buffering of the hydraulic cylinder, however, the external buffering of the hydraulic cylinder can increase the complexity of the whole hydraulic system and increase the cost of the whole system.

Buffer structure is simple in current cushion cylinder, generally add a cylindrical cushion collar on the piston rod, through clearance fit between cushion collar and the cushion chamber, the biggest problem that this kind of structure exists is that the cushion process is because the error between cushion collar and the processing of cushion chamber, there is off-centre between cushion collar and the cushion chamber, this not only causes to have wearing and tearing between cushion collar and the cushion intracavity wall, and can influence the buffering effect, can lose the buffering effect even, produce very big vibration and noise, the hydro-cylinder strikes too greatly and greatly reduces hydro-cylinder life in the twinkling of an eye.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's unadjustable buffering degree and the relatively poor scheduling defect of buffering effect, provide an adjustable hydro-cylinder for mechanical equipment with buffer structure. The adjustable oil cylinder for the mechanical equipment with the buffer structure has the characteristics of adjustable buffer degree, good buffer effect and the like.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable oil cylinder with a buffering structure for mechanical equipment comprises a cylinder body and a piston main body, wherein the piston main body is arranged in an inner cavity of the cylinder body, a piston supporting rod is fixedly arranged at the center of the outer wall of the left side of the piston main body, an oil cavity is arranged between the right side of the piston main body and the inner cavity of the cylinder body, the oil cavity is filled with buffering oil bodies, a through hole is formed in the outer wall of the left side of the piston main body inwards, a transverse pipe is arranged in the through hole, a disc is arranged on the outer wall of the left end of the transverse pipe, the right end of the transverse pipe is movably connected with the piston main body, the disc is arranged outside the piston main body, a sleeve is arranged in the inner cavity of the transverse pipe, a piston moving plate is arranged in the inner cavity of the sleeve, the outer wall of the right side of the piston moving plate, the outer wall of spacing post and siphunculus all overlaps and is equipped with the spring, the left end fixed connection piston movable plate of spring, and the right-hand member fixed connection of spring violently manages the right side inner wall, oil pipe is installed to sheathed tube left side trompil, oil pipe's the right-hand oil inlet end extends to in the oil pocket, and the end that produces oil of oil pipe left side extends to the left side of piston movable plate.

Preferably, the outer wall of the piston main body is sleeved with the two main sealing gaskets, the piston main body is connected with the inner wall of the cylinder body in a sealing mode through the main sealing gaskets, and the piston main body is provided with the two main sealing gaskets, so that the oil cylinder is more sealed and more stable in structure.

Preferably, the bearing has been cup jointed to the right-hand member outer wall of violently managing, the mounting groove that matches with the bearing is seted up to the inner chamber lateral wall of piston main part, the outer lane of bearing is installed on the inner chamber lateral wall of piston main part, violently the pipe can correspond rotate to this can adjust and the sleeve pipe between the position relation, change the compression of spring or the process distance that resets, and then can realize adjusting buffer pressure's effect, make holistic buffering effect become better and accurate.

Preferably, the inner cavity wall of the transverse pipe is provided with threads, and the sleeve is connected with the transverse pipe through the threads, so that the requirement that the position relation between the transverse pipe and the sleeve is changed can be met.

Preferably, the joint of the left end of the oil pipe and the sleeve is sleeved with an oil seal pad, the oil seal pad enables the oil pipe to have better sealing performance, and oil leakage is not easy to occur during shaking.

Preferably, the right side wall of the inner cavity of the oil cavity is provided with a groove matched with the oil inlet end of the oil pipe, the depth of the groove is consistent with the extension length of the oil pipe in the oil cavity, and the oil pipe can be in clearance fit with the groove of the oil cavity, so that the buffering effect is further improved.

Preferably, violently pipe, sleeve pipe, piston movable plate, spring and oil pipe all are upper and lower symmetry in the inner chamber of piston main part and set up two, two be provided with the straight-bar between the violently pipe, the equal fixed mounting in both ends has arc elastic plate, every about the straight-bar the equal fixed connection of outer wall of arc elastic plate corresponds the inner chamber lateral wall of piston main part, the installation of arc elastic plate in the piston main part for the buffering effect of this hydro-cylinder obtains further improvement.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the oil cylinder performs buffering work, a buffering oil body in an oil cavity can enter the sleeve to interact with the piston moving plate, and the spring can perform corresponding compression or reset work, so that the buffering work is realized;

2. the sleeve pipe in this hydro-cylinder passes through the screw thread and violently is connected, can adjust violently the pipe and the position relation between the sleeve pipe, changes the compression of spring or the process distance that resets, and then can realize adjusting buffer pressure's effect for holistic buffering effect becomes better and accurate.

Drawings

FIG. 1 is an internal structural view of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Reference numbers in the figures: 1. a cylinder body; 2. a piston body; 3. a primary seal gasket; 4. an oil chamber; 5. a through hole; 6. a transverse tube; 7. a disc; 8. a groove; 9. an oil pipe; 10. an oil seal pad; 11. a sleeve; 12. a piston moving plate; 13. Pipe passing; 14. a spring; 15. a thread; 16. a limiting column; 17. a bearing; 18. a straight rod; 19. an arc-shaped elastic plate; 20. the piston supports the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an adjustable oil cylinder for mechanical equipment with a buffering structure comprises a cylinder body 1 and a piston main body 2, wherein the piston main body 2 is arranged in an inner cavity of the cylinder body 1, two main sealing gaskets 3 are sleeved on the outer wall of the piston main body 2, the piston main body 2 is connected with the inner wall of the cylinder body 1 in a sealing manner through the main sealing gaskets 3, and the piston main body 2 is provided with two main sealing gaskets 3 through installation of the two main sealing gaskets 3, so that the oil cylinder has better sealing performance and more stable structure, a piston supporting rod 20 is fixedly installed at the center of the outer wall at the left side of the piston main body 2, an oil cavity 4 is arranged between the right side of the piston main body 2 and the inner cavity of the cylinder body 1, the oil cavity 4 is filled with buffering oil bodies, a through hole 5 is inwards formed in the outer wall at the left side of the piston main body 2, a transverse pipe 6 is arranged in the through hole 5, the side wall of the inner cavity of the piston main body 2 is provided with a mounting groove matched with the bearing 17, the outer ring of the bearing 17 is mounted on the side wall of the inner cavity of the piston main body 2, the transverse pipe 6 can correspondingly rotate, so that the position relation between the transverse pipe 6 and the sleeve pipe 11 can be adjusted, the compression or reset progress distance of the spring 14 can be changed, and further the effect of adjusting the buffer pressure can be realized, so that the whole buffer effect becomes better and accurate, the inner cavity wall of the transverse pipe 6 is provided with threads 15, the sleeve pipe 11 is connected with the transverse pipe 6 through the threads 15, the change of the position relation between the transverse pipe 6 and the sleeve pipe 11 can be met, the disc 7 is arranged outside the piston main body 2, the sleeve pipe 11 is mounted in the inner cavity of the transverse pipe 6, the inner cavity of the sleeve pipe 11 is internally provided with the piston 12, the outer wall of the, the limiting column 16 is installed on the right inner wall of the transverse pipe 6, the springs 14 are sleeved on the outer walls of the limiting column 16 and the through pipe 13, the piston moving plate 12 is fixedly connected with the left end of the spring 14, the right end of the spring 14 is fixedly connected with the right inner wall of the transverse pipe 6, the oil pipe 9 is installed on a left hole of the sleeve 11, an oil seal pad 10 is sleeved at the joint of the left end of the oil pipe 9 and the sleeve 11, the oil seal pad 10 enables the oil pipe 9 to be better in sealing performance and not prone to oil leakage during shaking, the right oil inlet end of the oil pipe 9 extends into the oil cavity 4, a groove 8 matched with the oil inlet end of the oil pipe 9 is formed in the right side wall of the inner cavity of the oil cavity 4, the depth of the groove 8 is consistent with the extending length of the oil pipe 9 in the oil cavity 4, the oil pipe 9 can be in clearance fit with the groove 8 of, Sleeve pipe 11, piston moving plate 12, spring 14 and oil pipe 9 all are the symmetry about in the inner chamber of piston main part 2 and set up two, are provided with straight-bar 18 between two violently pipes 6, and the equal fixed mounting in both ends has arc elastic plate 19 about straight-bar 18, and the equal fixed connection of outer wall of every arc elastic plate 19 corresponds the inner chamber lateral wall of piston main part 2, and the installation of arc elastic plate 19 in the piston main part 2 for the cushioning effect of this hydro-cylinder obtains further improvement.

The working principle, the utility model provides a cylinder body 1 is when carrying out buffering work, be provided with oil pocket 4 between the right side of piston main part 2 and the cylinder body 1 inner chamber, oil pocket 4 intussuseption is full of the buffering oil body, pressure passes through piston support rod 20, drive piston main part 2 and move to the right side in the inner chamber of cylinder body 1, at this moment, the buffering oil body in oil pocket 4 can get into in the sleeve pipe 11 through oil pipe 9, interact with piston moving plate 12, buffering has the body extrusion piston moving plate 12, make the spring 14 on piston moving plate 12 right side can the corresponding compression or reset work that carries on, thereby realize buffering work, in the buffering process, oil pipe 9 can with oil pocket 4 between the recess 8, make the pressure in the buffering process transition steadily; can also adjust work to the mechanical buffer structure in this cylinder body 1, and the disc 7 of the upper and lower side of piston bracing piece 20 rotates, drive violently pipe 6 and rotate, violently pipe 6's right-hand member swing joint piston main part 2, sleeve pipe 11 passes through screw 15 and is connected with violently pipe 6, can adjust violently pipe 6 and sleeve pipe 11 between the position relation, change the compression of spring 14 or the distance that resets, and then can realize adjusting the effect of buffer pressure for holistic buffering effect becomes better and accurate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an hydro-cylinder for mechanical equipment with adjustable buffer structure, includes cylinder body (1) and piston main part (2), its characterized in that: the piston main body (2) is arranged in an inner cavity of the cylinder body (1), a piston supporting rod (20) is fixedly arranged at the center of the outer wall of the left side of the piston main body (2), an oil cavity (4) is arranged between the right side of the piston main body (2) and the inner cavity of the cylinder body (1), a buffering oil body is filled in the oil cavity (4), a through hole (5) is formed in the outer wall of the left side of the piston main body (2) inwards, a transverse pipe (6) is arranged in the through hole (5), a disc (7) is arranged on the outer wall of the left end of the transverse pipe (6), the right end of the transverse pipe (6) is movably connected with the piston main body (2), the disc (7) is arranged outside the piston main body (2), a sleeve pipe (11) is arranged in the inner cavity of the transverse pipe (6), a piston moving plate (12) is arranged in the inner cavity of the sleeve pipe (11), be provided with spacing post (16) in the right-hand member inner chamber of siphunculus (13), the right side inner wall at violently pipe (6) is installed in spacing post (16), the outer wall of spacing post (16) and siphunculus (13) all overlaps and is equipped with spring (14), the left end fixed connection piston movable plate (12) of spring (14), and the right-hand member fixed connection of spring (14) violently manages the right side inner wall of (6), oil pipe (9) are installed to the left side trompil of sleeve pipe (11), the right-hand oil inlet end of oil pipe (9) extends to in oil pocket (4), and the left side of piston movable plate (12) is extended to the end of producing oil of oil pipe (9) left side.

2. The adjustable oil cylinder with the buffer structure for the mechanical equipment as claimed in claim 1, wherein: the outer wall of the piston main body (2) is sleeved with two main sealing gaskets (3), and the piston main body (2) is connected with the inner wall of the cylinder body (1) in a sealing mode through the main sealing gaskets (3).

3. The adjustable oil cylinder with the buffer structure for the mechanical equipment as claimed in claim 1, wherein: the outer wall of the right end of the transverse pipe (6) is sleeved with a bearing (17), the side wall of the inner cavity of the piston main body (2) is provided with a mounting groove matched with the bearing (17), and the outer ring of the bearing (17) is mounted on the side wall of the inner cavity of the piston main body (2).

4. The adjustable oil cylinder with the buffer structure for the mechanical equipment as claimed in claim 1, wherein: the inner cavity wall of the transverse pipe (6) is provided with threads (15), and the sleeve (11) is connected with the transverse pipe (6) through the threads (15).

5. The adjustable oil cylinder with the buffer structure for the mechanical equipment as claimed in claim 1, wherein: and an oil seal pad (10) is sleeved at the joint of the left end of the oil pipe (9) and the sleeve (11).

6. The adjustable oil cylinder with the buffer structure for the mechanical equipment as claimed in claim 1, wherein: the oil cavity is characterized in that a groove (8) matched with the oil inlet end of the oil pipe (9) is formed in the right side wall of the inner cavity of the oil cavity (4), and the depth of the groove (8) is consistent with the extending length of the oil pipe (9) in the oil cavity (4).

7. The adjustable oil cylinder with the buffer structure for the mechanical equipment as claimed in claim 1, wherein: violently manage (6), sleeve pipe (11), piston moving plate (12), spring (14) and oil pipe (9) and all be upper and lower symmetry in the inner chamber of piston main part (2) and set up two, two violently be provided with straight-bar (18) between pipe (6), the equal fixed mounting in both ends has arc diving board (19), every about straight-bar (18 the equal fixed connection of outer wall of arc diving board (19) corresponds the inner chamber lateral wall of piston main part (2).