CN217926557U

CN217926557U - Hydraulic cylinder with guiding mechanism

Info

Publication number: CN217926557U
Application number: CN202222372919.6U
Authority: CN
Inventors: 杨开勇; 王菲菲; 付雪亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-11-29
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a hydraulic cylinder with a guide mechanism, which comprises a cylinder barrel, a front cover, a cylinder tail, a rod head, a piston rod and a piston head, wherein the front cover is arranged at the top end of the cylinder barrel, a flange plate is arranged at the top end of the front cover, the piston rod is arranged at the bottom end of the rod head, the piston rod sequentially passes through the flange plate and the front cover and is coaxially connected with the piston head, the surface of the piston rod is provided with the guide mechanism, and the guide mechanism comprises an installation ring, a wear-resisting ring and a wear-resisting steel ball; the utility model discloses a wear ring, wear-resisting steel ball and the oil storage sponge that set up, when piston rod reciprocating motion, the lubricating oil in the oil storage tank can get into through the passageway and lead to the inslot portion and be absorbed by the oil storage sponge, and wear-resisting steel ball can dip in the inside that lubricating oil in the oil storage sponge rolled and paint the cylinder, and wear-resisting steel ball can carry out self-lubricate to the cylinder inner wall when leading to the piston rod.

Description

Hydraulic cylinder with guiding mechanism

Technical Field

The utility model relates to a hydraulic cylinder field, in particular to hydraulic cylinder with guiding mechanism.

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 motor performs a continuous rotary motion, while the hydraulic cylinder performs a reciprocating motion. The hydraulic cylinder has three types, namely a piston cylinder, a plunger cylinder and a swing cylinder, wherein the piston cylinder and the plunger cylinder realize reciprocating linear motion and output speed and thrust, and the swing cylinder realizes reciprocating swing and outputs angular speed and torque. The cylinders may be used in combination of two or more or with other mechanisms to accomplish a particular function, other than individually. The existing hydraulic cylinder is simple in structure and mostly does not have a guide mechanism, so that the whole use of the device is affected by the problems that the piston rod is easy to be eccentric after being used for a period of time and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a hydraulic cylinder with guiding mechanism, possible to lead to the piston rod and to the inside self-lubricate of cylinder, effectively prevent its in-process piston rod eccentric problem from appearing in the use.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a hydraulic cylinder with guiding mechanism, including cylinder, protecgulum, jar tail, pole head, piston rod and piston head, the protecgulum sets up the top of cylinder, the ring flange is installed on the top of protecgulum, the piston rod install in the bottom of pole head, just the piston rod passes in proper order ring flange and protecgulum and with piston head coaxial coupling, the surface mounting of piston rod has guiding mechanism, guiding mechanism includes collar, wear-resisting ring and wear-resisting steel ball, the surface of collar is provided with the oil storage tank, just the inside packing of oil storage tank has lubricating oil, the collar inside with the vertical central axis of collar is provided with a plurality of logical grooves for initial point annular array, leads to the inslot portion and is provided with the oil storage sponge, leads to groove outside roll connection and has wear-resisting steel ball, laminate each other between wear-resisting steel ball's the surface and the cylinder inner wall, be provided with the passageway that is used for conveying lubricating oil between oil storage tank and the logical groove.

As a preferred technical scheme of the utility model, the surface mounting of oil storage tank has the apron, one side that the apron was kept away from on the collar face is provided with the spread groove, the piston rod surface just is close to the position of collar one side and is provided with the cushion ring, cushion ring surface one side fixedly connected with blotter.

As an optimal technical scheme of the utility model, one side that the buffering ring surface is close to the collar is provided with the butt joint groove, use the vertical center of piston rod to be provided with a plurality of reset spring as initial point annular array between spread groove and the butt joint groove.

As a preferred technical solution of the present invention, the wear-resistant ring is mounted on the surface of the piston rod and at a position between the mounting ring and the piston head, and the fixing bolt is mounted at the bottom of the piston head.

As an optimal technical scheme of the utility model, cylinder inner wall bottom fixedly connected with shock mount, the earrings are installed at the top of pole head.

As a preferred technical scheme of the utility model, the top of ring flange is followed the circumference equipartition of piston rod has the fastening bolt of a plurality of levels setting, the inboard of ring flange is provided with the sealing washer.

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

the utility model discloses a wear-resisting ring that sets up, wear-resisting steel ball and oil storage sponge, the logical groove that the cooperation set up, the passageway, the lubricating oil of oil storage tank and oil storage tank intussuseption, when piston rod reciprocating motion, the lubricating oil in the oil storage tank can get into logical inslot portion through the passageway and be absorbed by the oil storage sponge, wear-resisting steel ball can dip in the inside that the lubricating oil roll in getting the oil storage sponge painted the cylinder, wear-resisting steel ball can carry out self-lubricate to the cylinder inner wall when leading the piston rod, wear-resisting ring can cooperate wear-resisting steel ball further to lead to the piston rod, effectively prevent eccentric and the problem of wearing and tearing from appearing in the piston rod.

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 view of the overall front sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;

fig. 3 is a schematic cross-sectional three-dimensional structure diagram of the mounting ring of the present invention;

fig. 4 is a schematic bottom view of the mounting ring of the present invention;

in the figure: 1. a cylinder barrel; 2. a front cover; 3. a cylinder tail; 31. a shock absorbing seat; 4. a piston rod; 41. a piston head; 42. a fixing bolt; 5. a club head; 51. an ear ring; 6. a flange plate; 61. fastening bolts; 62. a seal ring; 7. a wear ring; 8. a mounting ring; 81. an oil storage tank; 82. lubricating oil; 83. a cover plate; 84. a channel; 85. oil storage sponge; 86. wear-resistant steel balls; 87. connecting grooves; 9. a buffer ring; 91. a butt joint groove; 92. a cushion pad; 10. a return spring.

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.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-4, the utility model provides a hydraulic cylinder with guiding mechanism, including cylinder 1, protecgulum 2, the cylinder tail 3, pole head 5, piston rod 4 and piston head 41, protecgulum 2 sets up the top at cylinder 1, ring flange 6 is installed on the top of protecgulum 2, piston rod 4 is installed in the bottom of pole head 5, and piston rod 4 passes ring flange 6 and protecgulum 2 in proper order and with piston head 41 coaxial coupling, the surface mounting of piston rod 4 has guiding mechanism, guiding mechanism includes collar 8, wear-resisting ring 7 and wear-resisting steel ball 86, the surface of collar 8 is provided with oil storage tank 81, and oil storage tank 81 is inside to be filled with lubricating oil 82, collar 8 is inside to be provided with a plurality of logical grooves with the vertical central axis of collar 8 as the initial point for annular array, it is provided with oil storage sponge 85 to lead to the inslot portion, it is connected with wear-resisting steel ball 86 to lead to the inslot side, laminate each other between wear-resisting steel ball 86's surface and the cylinder 1 inner wall, be provided with the passageway 84 that is used for conveying lubricating oil 82 between oil storage tank 81 and the logical groove.

Further, the surface mounting of oil storage tank 81 has apron 83, and the one side that apron 83 was kept away from on the surface of collar 8 is provided with spread groove 87, and the position that the piston rod 4 surface just was close to collar 8 one side is provided with buffering ring 9, and buffering ring 9 surface one side fixedly connected with blotter 92, when piston rod 4 drove collar 8 and removed the top, blotter 92 on the buffering ring 9 contacted with preceding 2 bottoms of protecgulum earlier, slowed down the impact force, prevented that guiding mechanism is impaired.

One side that the cushion ring 9 surface is close to the collar 8 is provided with butt joint groove 91, uses the vertical center of piston rod 4 to be provided with a plurality of reset spring 10 as initial point annular array between spread groove 87 and the butt joint groove 91, and reset spring 10 cooperation cushion ring 9 can further play the cushioning effect, prevents that guiding mechanism is impaired because of the impact force.

The wear-resisting ring 7 is arranged on the surface of the piston rod 4 and is arranged between the mounting ring 8 and the piston head 41, the fixing bolt 42 is arranged at the bottom of the piston head 41, the wear-resisting ring 7 is matched with a wear-resisting ball to guide the piston rod 4, and the piston rod 4 is effectively prevented from being influenced by the eccentric problem.

The damping seat 31 is fixedly connected with the bottom end of the inner wall of the cylinder barrel 1, the earrings 51 are installed at the top of the rod head 5, and the damping seat 31 can play a role in buffering when the piston rod 4 contacts with the inner wall of the cylinder barrel 1.

The top of ring flange 6 has the fastening bolt 61 of a plurality of levels setting along the circumference equipartition of piston rod 4, and the inboard of ring flange 6 is provided with sealing washer 62, and the setting of ring flange 6 can make and be connected more stably between protecgulum 2 and the cylinder 1.

Specifically, firstly, the rod head 5 drives the piston rod 4 to move towards the inside of the cylinder barrel 1, the piston head 41 moves towards the inside of the cylinder barrel 1 along with the piston head, meanwhile, the lubricating oil 82 in the oil storage tank 81 enters the through groove through the channel 84 and is absorbed by the oil storage sponge 85, the wear-resistant steel balls 86 dip the lubricating oil 82 in the oil storage sponge 85 to be brought to the inner wall of the cylinder barrel 1 to lubricate the lubricating oil 82 when rolling, when the rod head 5 moves towards the outside of the cylinder barrel 1, the piston rod 4 drives the mounting ring 8 to move upwards, when the rod head moves to the top, the buffering pad 92 on the buffering ring 9 contacts with the bottom end of the front cover 2 first, the impact force is reduced, the guide mechanism is prevented from being damaged, and the device is used.

To sum up, the utility model discloses a wear-resisting ring 7 that sets up, wear-resisting steel ball 86 and oil storage sponge 85, the logical groove that the cooperation set up, passageway 84, the lubricating oil 82 of intussuseption of oil storage tank 81 and oil storage tank 81 intussuseption, when piston rod 4 reciprocating motion, lubricating oil 82 in the oil storage tank 81 can get into logical inslot portion through passageway 84 and be absorbed by oil storage sponge 85, wear-resisting steel ball 86 can dip in the lubricating oil 82 who gets in the oil storage sponge 85 and roll the inside of painting cylinder 1, wear-resisting steel ball 86 can carry out the self-lubricate to 1 inner wall of cylinder when leading piston rod 4, wear-resisting ring 7 can cooperate wear-resisting steel ball 86 further to lead to piston rod 4, effectively prevent that eccentric and wearing and tearing problem from appearing in piston rod 4.

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

1. A hydraulic oil cylinder with a guide mechanism comprises a cylinder barrel (1), a front cover (2), a cylinder tail (3), a rod head (5), a piston rod (4) and a piston head (41), it is characterized in that the front cover (2) is arranged at the top end of the cylinder barrel (1), the top end of the front cover (2) is provided with a flange plate (6), the piston rod (4) is arranged at the bottom end of the rod head (5), and the piston rod (4) sequentially passes through the flange plate (6) and the front cover (2) and is coaxially connected with the piston head (41), the surface of the piston rod (4) is provided with a guide mechanism, the guide mechanism comprises a mounting ring (8), a wear-resistant ring (7) and a wear-resistant steel ball (86), the surface of the mounting ring (8) is provided with an oil storage groove (81), and the oil storage tank (81) is filled with lubricating oil (82), a plurality of through grooves are arranged in the mounting ring (8) in an annular array by taking the vertical central axis of the mounting ring (8) as an origin, oil storage sponge (85) is arranged in each through groove, wear-resistant steel balls (86) are connected to the outer sides of the through grooves in a rolling manner, the surfaces of the wear-resistant steel balls (86) are mutually attached to the inner wall of the cylinder barrel (1), and a channel (84) for conveying lubricating oil (82) is arranged between the oil storage groove (81) and the through groove.

2. The hydraulic oil cylinder with the guide mechanism is characterized in that a cover plate (83) is installed on the surface of the oil storage groove (81), a connecting groove (87) is formed in one side, far away from the cover plate (83), of the surface of the mounting ring (8), a buffer ring (9) is arranged on the surface of the piston rod (4) and in a position close to one side of the mounting ring (8), and a buffer pad (92) is fixedly connected to one side of the surface of the buffer ring (9).

3. A hydraulic cylinder with guide mechanism according to claim 2, characterized in that the surface of the buffer ring (9) near the side of the mounting ring (8) is provided with a butt-joint groove (91), and a plurality of return springs (10) are arranged between the connecting groove (87) and the butt-joint groove (91) in an annular array with the vertical center of the piston rod (4) as the origin.

4. A hydraulic ram with guide mechanism according to claim 1, characterised in that the wear-resistant ring (7) is mounted on the surface of the piston rod (4) at a position between the mounting ring (8) and the piston head (41), and the bottom of the piston head (41) is mounted with a fixing bolt (42).

5. The hydraulic oil cylinder with the guide mechanism is characterized in that a damping seat (31) is fixedly connected to the bottom end of the inner wall of the cylinder barrel (1), and an earring (51) is installed at the top of the rod head (5).

6. The hydraulic oil cylinder with the guide mechanism according to claim 1, wherein a plurality of horizontally arranged fastening bolts (61) are uniformly distributed at the top end of the flange plate (6) along the circumference of the piston rod (4), and a sealing ring (62) is arranged on the inner side of the flange plate (6).