CN216951089U

CN216951089U - Overheating-prevention hydraulic oil cylinder with buffer structure

Info

Publication number: CN216951089U
Application number: CN202220090158.2U
Authority: CN
Inventors: 朱雪春
Original assignee: Hengli Guangzhou Precision Manufacturing Co ltd
Current assignee: Hengli Guangzhou Precision Manufacturing Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-12
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses an overheating-proof hydraulic oil cylinder with a buffer structure, which relates to the technical field of hydraulic oil cylinders and comprises a base, a cylinder barrel and a bottom plate which are fixedly connected to the base, a piston which is sleeved in the cylinder barrel in a sliding manner, and a piston rod which is fixedly connected to one side of the piston, wherein a first buffer mechanism is arranged on the bottom plate and used for reducing decibels of noise generated during collision; the first buffer mechanism comprises a buffer cylinder fixedly connected to the bottom plate. The hydraulic cylinder has the advantages that under the action of the rubber columns, the damping effect is achieved, noise decibels are reduced, the using effect is good, the first buffer spring and the second buffer spring are matched to buffer the space between the piston and the base plate, and the upper magnetic block and the lower magnetic block have the same magnetic poles, so that a certain buffering effect is achieved, the rigid impact force is reduced, and the service life of the hydraulic cylinder is prolonged.

Description

Overheating-prevention hydraulic oil cylinder with buffer structure

Technical Field

The utility model relates to the technical field of hydraulic oil cylinders, in particular to an overheating-proof hydraulic oil cylinder with a buffer structure.

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, the hydraulic cylinder realizes reciprocating motion, the hydraulic cylinder can be used singly, and can be combined by two or more hydraulic cylinders or other mechanisms to complete special functions.

The one end of piston can take place mechanical collision with hydraulic cylinder in the use for current prevent overheated formula hydraulic cylinder, because the rigidity impact force is too big, hydraulic cylinder's life has been reduced to the hydraulic cylinder that leads to the quick renewal of needs carries out work, work efficiency has been reduced, and can the noise production when bumping, influence the result of use, consequently, this application provides one kind and has buffer structure prevent overheated formula hydraulic cylinder and satisfy the demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an overheating-prevention hydraulic oil cylinder with a buffer structure.

In order to achieve the above purpose, the present application provides the following technical solutions: an overheating-prevention hydraulic oil cylinder with a buffer structure comprises a base, a cylinder barrel and a bottom plate which are fixedly connected to the base, a piston which is sleeved in the cylinder barrel in a sliding mode, and a piston rod which is fixedly connected to one side of the piston, wherein a first buffer mechanism is arranged on the bottom plate and used for reducing decibels of noise generated during collision, and a second buffer mechanism is arranged on the piston and used for reducing rigid impact force;

the first buffer mechanism comprises a buffer cylinder fixedly connected to the bottom plate, a plurality of first buffer springs are fixedly connected to the inside of the bottom of the buffer cylinder, a movable plate is fixedly connected to the other end of each first buffer spring, a plurality of rubber columns are fixedly connected to the top of the movable plate, grooves are formed in the pistons, a plurality of second buffer springs are fixedly connected to the grooves, and movable rings are fixedly connected to the other ends of the second buffer springs.

Preferably, the second buffer mechanism comprises a buffer block fixedly mounted on the piston, a cavity is formed in the buffer block, an upper magnetic block is fixedly connected in the cavity, a fixed sleeve is fixedly connected to the inner wall of the bottom of the buffer cylinder, a lower magnetic block is fixedly connected in the fixed sleeve, and the magnetic poles of the upper magnetic block and the lower magnetic block are the same.

Preferably, the bottom of the piston is provided with a limiting groove, and the buffer block is fixedly connected with the limiting groove through a screw.

Preferably, an annular groove is formed in the outer ring of the piston, and a sealing ring is fixedly sleeved in the annular groove.

Preferably, the movable plate is connected with the inner wall of the buffer cylinder in a sliding mode.

Preferably, the bottom plate and the cylinder barrel are integrally formed.

In conclusion, the technical effects and advantages of the utility model are as follows:

1. the hydraulic cylinder is reasonable in structure, and the piston rod, the piston, the lower magnet, the upper magnet and the like are adopted, so that when the piston is driven by the piston rod to move downwards, the upper magnet and the lower magnet have the same magnetic poles, a certain buffering effect is achieved, the rigid impact force is reduced, and the service life of the hydraulic cylinder is prolonged;

2. according to the utility model, through the structures of the first buffer spring, the second buffer spring, the movable plate, the movable ring and the like, when the piston moves downwards to drive the buffer block to move downwards, the movable ring is abutted against the rubber column, and has a damping effect under the action of the rubber column, so that the impact force of the movable ring on the movable plate is reduced, the noise decibel is reduced, the using effect is better, meanwhile, the second buffer spring is compressed, and when the movable ring continues to move downwards, the rubber column is extruded to enable the movable plate to move downwards, and the first buffer spring is compressed, so that the piston and the bottom plate are buffered under the matching of the first buffer spring and the second buffer spring.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the piston structure of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the buffer block according to the present invention;

FIG. 5 is a schematic view of the internal structure of the buffer cylinder according to the present invention.

In the figure: 1. a cylinder barrel; 2. a piston rod; 3. a base; 4. a piston; 5. a seal ring; 6. a buffer cylinder; 7. a base plate; 8. a first buffer spring; 9. a movable plate; 10. a buffer block; 11. an upper magnetic block; 12. a groove; 13. a second buffer spring; 14. a movable ring; 15. a rubber column; 16. a lower magnetic block; 17. and (4) fixing sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-5, an overheating prevention hydraulic cylinder with a buffering structure comprises a base 3, a cylinder barrel 1 and a bottom plate 7 which are fixedly connected to the base 3, a piston 4 which is slidably sleeved in the cylinder barrel 1, and a piston rod 2 which is fixedly connected to one side of the piston 4, wherein a first buffering mechanism is arranged on the bottom plate 7 and used for reducing decibels of noise generated during collision, so that the using effect of an operator is improved, a second buffering mechanism is arranged on the piston 4 and used for reducing rigid impact force, and the service life of the hydraulic cylinder is further prolonged;

the first buffer mechanism comprises a buffer cylinder 6 fixedly connected on a bottom plate 7, a plurality of first buffer springs 8 are fixedly connected inside the bottom of the buffer cylinder 6, the other end of each first buffer spring 8 is fixedly connected with a movable plate 9, the top of each movable plate 9 is fixedly connected with a plurality of rubber columns 15, when a piston 4 moves downwards to drive a buffer block 10 to move downwards, a movable ring 14 is abutted against the rubber columns 15, under the action of the rubber columns 15, the shock absorption effect is achieved, the decibel of noise is reduced, the use effect is good, a groove 12 is formed in the piston 4, when the movable ring 14 continues to move downwards, the rubber columns 15 are extruded to enable the movable plate 9 to move downwards to compress the first buffer springs 8, at the moment, the second buffer springs 13 are also in a compression state, a plurality of second buffer springs 13 are fixedly connected on the groove 12, and under the matching of the first buffer springs 8 and the second buffer springs 13, the other end of the second buffer spring 13 is fixedly connected with a movable ring 14 for buffering between the piston 4 and the bottom plate 7.

In this embodiment, second buffer gear includes buffer block 10 of fixed mounting on piston 4, the cavity has been seted up in buffer block 10, upper magnetic block 11 is connected to the cavity internal fixation, the fixed cover 17 of bottom inner wall fixedly connected with of buffer cylinder 6, fixed cover 17 internal fixation is connected with lower magnetic block 16, upper magnetic block 11 is the same with lower magnetic block 16 magnetic pole, when piston rod 2 drove piston 4 downstream, this moment because upper magnetic block 11 is the same with lower magnetic block 16 magnetic pole, play certain cushioning effect, reduce the rigidity impact force, hydraulic cylinder's life is prolonged.

In this embodiment, the spacing groove has been seted up to the bottom of piston 4, and buffer block 10 passes through screw and spacing groove fixed connection, conveniently dismantles buffer block 10.

In the embodiment, an annular groove is formed in the outer ring of the piston 4, and a sealing ring 5 is fixedly sleeved in the annular sleeve, so that the sealing performance of the hydraulic oil cylinder is improved.

In this embodiment, the outer ring of the movable plate 9 is slidably connected to the inner wall of the buffer cylinder 6, and the inner ring of the movable plate 9 is slidably connected to the outer ring of the fixed sleeve 17

In this embodiment, the bottom plate 7 is integrally formed with the cylinder 1.

This practical theory of operation: when the piston rod 2 drives the piston 4 to move downwards, at this moment, because the magnetic poles of the upper magnetic block 11 and the lower magnetic block 16 are the same, a certain buffering effect is achieved, the rigid impact force is reduced, the service life of the hydraulic oil cylinder is prolonged, meanwhile, when the piston 4 moves downwards to drive the buffer block 10 to move downwards, the movable ring 14 is abutted against the rubber column 15, under the effect of the rubber column 15, the damping effect is achieved, the decibel of noise is reduced, the using effect is good, the impact force of the movable ring 14 to the movable plate 9 is reduced, meanwhile, the second buffer spring 13 is compressed, when the movable ring 14 continues to move downwards, the rubber column 15 is extruded to enable the movable plate 9 to move downwards, the first buffer spring 8 is compressed, and therefore, under the cooperation of the first buffer spring 8 and the second buffer spring 13, buffering is achieved between the piston 4 and the bottom plate 7.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an prevent overheated formula hydraulic cylinder with buffer structure, includes base (3), cylinder (1) and bottom plate (7) of fixed connection on base (3), one side fixedly connected with piston rod (2) of sliding cup joint piston (4), piston (4) in cylinder (1), its characterized in that: a first buffer mechanism is arranged on the bottom plate (7) and used for reducing decibels of noise generated during collision, and a second buffer mechanism is arranged on the piston (4) and used for reducing rigid impact force;

first buffer gear includes buffer cylinder (6) of fixed connection on bottom plate (7), the first buffer spring (8) of the inside fixedly connected with a plurality of in bottom of buffer cylinder (6), the other end fixedly connected with fly leaf (9) of first buffer spring (8), a plurality of rubber column (15) of top fixedly connected with of fly leaf (9), set up fluted (12) on piston (4), a plurality of second buffer spring (13) of fixedly connected with on recess (12), other end fixedly connected with movable ring (14) of second buffer spring (13).

2. The anti-overheating hydraulic oil cylinder with the buffering structure as claimed in claim 1, wherein: the second buffer gear includes buffer block (10) of fixed mounting on piston (4), the cavity has been seted up in buffer block (10), fixed connection goes up magnetic path (11) in the cavity, the fixed cover (17) of bottom inner wall fixedly connected with of buffer cylinder (6), fixed cover (17) internal fixed connection has lower magnetic path (16), it is the same with lower magnetic path (16) magnetic pole to go up magnetic path (11).

3. The overheating prevention hydraulic oil cylinder with the buffering structure as set forth in claim 2, wherein: the bottom of the piston (4) is provided with a limiting groove, and the buffer block (10) is fixedly connected with the limiting groove through a screw.

4. The anti-overheating hydraulic oil cylinder with the buffering structure as claimed in claim 1, wherein: an annular groove is formed in the outer ring of the piston (4), and a sealing ring (5) is fixedly sleeved in the annular groove.

5. The anti-overheating hydraulic oil cylinder with the buffering structure as claimed in claim 1, wherein: the movable plate (9) is connected with the inner wall of the buffer cylinder (6) in a sliding mode.

6. The anti-overheating hydraulic oil cylinder with the buffering structure as claimed in claim 1, wherein: the bottom plate (7) and the cylinder barrel (1) are integrally formed.