CN220101697U

CN220101697U - Novel buffer structure

Info

Publication number: CN220101697U
Application number: CN202321550205.8U
Authority: CN
Inventors: 李伟兴; 钟达林; 谢政铨; 朱邵闽
Original assignee: Longgong Fujian Hydraulic Co ltd
Current assignee: Longgong Fujian Hydraulic Co ltd
Priority date: 2023-06-18
Filing date: 2023-06-18
Publication date: 2023-11-28
Anticipated expiration: 2033-06-18

Abstract

The utility model relates to a novel buffer structure, and belongs to the technical field of oil cylinders. The technical scheme is that the hydraulic loader mainly aims at the problems occurring when the existing original loader oil cylinder structures are basically not buffered, so that the piston in the oil cylinder is in violent impact with the guide sleeve, and the weld joint is cracked or the guide sleeve is broken by the bolt to directly punch out the fault phenomenon, and the hydraulic loader is provided with the following technical scheme: the utility model provides a novel buffer structure, includes the cylinder body, the one end of cylinder body is through screw fixedly connected with uide bushing, the inside sliding connection of uide bushing has the piston. According to the utility model, through the design of the structures such as the spiral abutting block, the inserting block, the limiting abutting plate, the limiting sliding rod and the like, when the piston slides towards the guide sleeve along the limiting sliding rod in the cylinder body, one end of the piston abuts against the limiting abutting plate, so that the piston cannot strike the guide sleeve, and the bolt at the guide sleeve cannot break. And when the maintenance is needed, the spiral supporting block is directly rotated, and finally, the limiting supporting plate can be detached, so that the maintenance is simple and easy to operate, and the difficulty in maintenance is reduced.

Description

Novel buffer structure

Technical Field

The utility model relates to the technical field of oil cylinders, in particular to a novel buffer structure.

Background

The oil cylinder is the most main component of engineering machinery. The output force is proportional to the effective area of the piston and the pressure difference between two sides of the piston. The original loader oil cylinder structure is basically not buffered, so that the phenomenon that a piston in the oil cylinder collides with a guide sleeve violently and a welding seam cracks or a bolt breaks the guide sleeve to directly punch out occurs, and the novel buffer structure is designed.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a novel buffer structure.

The technical scheme of the utility model is as follows: the utility model provides a novel buffer structure, includes the cylinder body, screw fixedly connected with uide bushing is passed through to the one end of cylinder body, the inside sliding connection of uide bushing has the piston, a pair of sliding hole has been seted up to the piston, the one end of piston and the one end fixed connection of piston rod, the other end activity of piston rod runs through the uide bushing, the other end of cylinder body passes through screw fixedly connected with back lid, back lid fixedly connected with has a pair of spacing slide bar that runs through the sliding hole actively, the equal fixedly connected with threaded rod of one end of spacing slide bar, a pair of threaded rod is connected with spacing butt plate, the jack that can supply threaded rod male jack has been seted up to spacing butt plate, jack swing joint has the spiral to prop the piece, the spiral is supported a fixedly connected with inserted block that can insert the jack, the outer wall fixedly connected with of inserted block can block the fixture block of jack, the spiral is supported the piece and one end screwed connection of threaded rod.

Preferably, the limiting and resisting plate is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with a buffer plate, and the buffer plate and the limiting and resisting plate are provided with movable holes for the piston rod to be inserted.

Preferably, the cylinder body is provided with an oil inlet, the cylinder body is connected with an oil inlet pipe, the oil inlet pipe is fixedly connected with the oil inlet, the cylinder body is provided with an oil return port, the cylinder body is connected with an oil return pipe, and the oil return pipe is fixedly connected with the oil return port.

Preferably, the outer wall of the guide sleeve is fixedly connected with a supporting sleeve for supporting and limiting the piston rod.

Preferably, the other end of the piston rod is fixedly connected with a first connector.

Preferably, the outer wall of the rear cover is fixedly connected with a second connector.

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

(1): according to the utility model, through the design of the structures such as the spiral abutting block, the inserting block, the limiting abutting plate, the limiting sliding rod and the like, when the piston slides towards the guide sleeve along the limiting sliding rod in the cylinder body, one end of the piston abuts against the limiting abutting plate, so that the piston cannot strike the guide sleeve, and the bolt at the guide sleeve cannot break. When maintenance is needed, the spiral abutting block is directly rotated, and finally the limiting abutting plate can be detached, so that the maintenance is simple and easy to operate, and difficulty in maintenance is reduced;

(2): according to the utility model, through the design of the buffer plate and the springs, when the piston impacts the guide sleeve along the limit sliding rod, the piston firstly props against the buffer plate, and the buffer is carried out through the springs, so that the piston is simple and convenient.

Drawings

FIG. 1 is a schematic diagram of a novel buffer structure;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a partial block diagram of FIG. 2;

FIG. 4 is an enlarged schematic view of FIG. 2 at A;

fig. 5 is a schematic structural view of the screw abutment and the insert of fig. 4.

Reference numerals: 1. a cylinder; 2. a piston rod; 3. a guide sleeve; 4. a rear cover; 5. a piston; 6. an oil inlet pipe; 7. an oil return pipe; 8. a limit slide bar; 9. a limiting and resisting plate; 10. a buffer plate; 11. a threaded rod; 12. a spiral abutting block; 13. inserting blocks; 14. a clamping block; 15. a spring; 16. a jack; 17. a sleeve; 18. a movable hole; 19. a sliding hole; 20. a first connector; 21. a second connector; 22. an oil inlet; 23. and an oil return port.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the novel buffering structure provided by the utility model comprises a cylinder body 1, wherein one end of the cylinder body 1 is fixedly connected with a guide sleeve 3 through a screw, the outer wall of the guide sleeve 3 is fixedly connected with a supporting sleeve 17 for supporting and limiting a piston rod 2, and the supporting sleeve 17 is used for supporting and limiting the piston rod 2 during reciprocating horizontal movement. The inside sliding connection of uide bushing 3 has piston 5, a pair of slide hole 19 has been seted up to piston 5, the one end fixedly connected with of piston 5 and the one end of piston rod 2, the other end fixedly connected with first connector 20 of piston rod 2, the other end activity of piston rod 2 runs through uide bushing 3, lid 4 behind the other end of cylinder body 1 passes through screw fixedly connected with, the outer wall fixedly connected with second connector 21 of lid 4 behind, the spacing slide bar 8 of a pair of activity run through slide hole 19 of lid 4 fixedly connected with, the equal fixedly connected with threaded rod 11 of one end of spacing slide bar 8, a pair of threaded rod 11 is connected with spacing butt plate 9, the jack 16 that can supply threaded rod 11 male is seted up to spacing butt plate 9, jack 16 swing joint has spiral butt piece 12, be provided with the line of increase friction when conveniently rotating on the spiral butt piece 12. The spiral supporting block 12 is fixedly connected with a plug block 13 which can be inserted into the jack 16, the outer wall of the plug block 13 is fixedly connected with a clamping block 14 which can clamp the jack 16, and the clamping block 14 has the function of preventing the plug block 13 from falling out of the jack 16. The screw abutment 12 is screw-connected with one end of the threaded rod 11.

The cylinder body 1 is provided with an oil inlet 22, the cylinder body 1 is connected with an oil inlet pipe 6, the oil inlet pipe 6 is fixedly connected with the oil inlet 22, the cylinder body 1 is provided with an oil return port 23, the cylinder body 1 is connected with an oil return pipe 7, and the oil return pipe 7 is fixedly connected with the oil return port 23.

The working principle of the embodiment is as follows: when the oil cylinder needs to use the novel buffer structure, as shown in fig. 2, when the oil cylinder is started, when the piston 5 slides to the guide sleeve 3 along the limit sliding rod 8 in the cylinder body 1, the piston 5 drives the piston rod 2 to slide along the support sleeve 17, one end of the piston 5 can prop against the limit retaining plate 9, and then the piston 5 can not strike the guide sleeve 3, so that the bolt at the guide sleeve 3 can not break. And when the maintenance is needed, the spiral supporting block 12 is directly rotated, and as the spiral supporting block 12 is in spiral connection with the threaded rod 11, the limit supporting plate 9 can be detached from the limit sliding rod 8, so that the maintenance difficulty is reduced.

Example two

As shown in fig. 2 and fig. 4, the present utility model provides a novel buffer structure, which further includes: the limiting and resisting plate 9 is fixedly connected with one end of the spring 15, the other end of the spring 15 is fixedly connected with the buffer plate 10, the buffer plate 10 and the limiting and resisting plate 9 are provided with movable holes 18 for the piston rod 2 to be inserted, and the movable holes 18 are used for rapidly taking out the buffer plate 10 and the limiting and resisting plate 9 from the piston rod 2, so that the piston rod 2 can be rapidly maintained or replaced.

The working principle of the embodiment is as follows: when the piston 5 moves along the limit slide rod 8 toward the guide sleeve 3 to be buffered, as shown in fig. 2, one end of the piston 5 abuts against the buffer plate 10, and further is buffered by a plurality of springs 15.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. Novel buffer structure, including cylinder body (1), its characterized in that: one end of cylinder body (1) is through screw fixedly connected with uide bushing (3), the inside sliding connection of uide bushing (3) has piston (5), a pair of sliding hole (19) have been seted up to piston (5), one end and the one end fixed connection of piston rod (2) of piston (5), the other end activity of piston rod (2) runs through uide bushing (3), the other end of cylinder body (1) is through screw fixedly connected with back lid (4), the spacing slide bar (8) of a pair of activity run through sliding hole (19) of back lid (4) fixedly connected with, the one end of spacing slide bar (8) is all fixedly connected with threaded rod (11), a pair of spacing butt plate (9) have been seted up and can be supplied threaded rod (11) male jack (16), jack (16) swing joint has spiral butt piece (12), spiral butt piece (12) fixedly connected with can insert plug (13) of jack (16), the outer wall fixedly connected with of plug (13) blocks plug (16) can be blocked threaded rod (11) and threaded rod (11) one end of threaded rod (11).

2. The novel buffering structure according to claim 1, wherein the limiting and resisting plate (9) is fixedly connected with one end of a spring (15), the other end of the spring (15) is fixedly connected with a buffering plate (10), and the buffering plate (10) and the limiting and resisting plate (9) are provided with movable holes (18) for the piston rod (2) to be inserted.

3. The novel buffer structure according to claim 1, wherein the cylinder body (1) is provided with an oil inlet (22), the cylinder body (1) is connected with an oil inlet pipe (6), the oil inlet pipe (6) is fixedly connected with the oil inlet (22), the cylinder body (1) is provided with an oil return port (23), the cylinder body (1) is connected with an oil return pipe (7), and the oil return pipe (7) is fixedly connected with the oil return port (23).

4. The novel buffering structure according to claim 1, wherein the outer wall of the guide sleeve (3) is fixedly connected with a supporting sleeve (17) for supporting and limiting the piston rod (2).

5. A new shock absorbing structure according to claim 1, characterized in that the other end of the piston rod (2) is fixedly connected with a first connector (20).

6. A novel buffering structure according to claim 1, characterized in that the outer wall of the rear cover (4) is fixedly connected with a second connector (21).