CN214617285U

CN214617285U - Adjustable gap buffering hydraulic cylinder structure

Info

Publication number: CN214617285U
Application number: CN202120515849.8U
Authority: CN
Inventors: 毛多峰; 黄炳志
Original assignee: Nathanwick High Pressure Oil Pump Hunan Co ltd
Current assignee: Nathanwick High Pressure Oil Pump Hunan Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-05
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a pneumatic cylinder structure of clearance buffering with adjustable, including the cylinder body, set up the oil pocket in the cylinder body, connect the oiling pipe through the oiling mouth of gland bottom and carry out the oiling to the oil tank, because set up the spout on the oil tank inner wall, slide mounting is carried out to the cylinder through the slide, connect through cylinder and cylinder axle, install the cushion valve through the backing plate on the cylinder body simultaneously, the ball on the hydraulic fluid port of cushion valve one end is connected with the side of fixed block, install the cylinder head on the other end of cylinder body, and run through the cylinder axle in the cylinder head, the cylinder axle is connected with one end of cylinder, because the volume on one side of the oil pocket is limited, promote the cylinder to slide in the spout after the oiling is accomplished, thereby promote the cylinder axle to stretch out and draw back, when the cylinder removes, the pressure of one side of oil tank is greater than the opposite side when the clearance of cylinder one side increases, the cylinder body inner wall of the one side that the pressure is little obtains alleviating, thereby increasing the service life of the cylinder body under the condition of not influencing the working efficiency of the cylinder body.

Description

Adjustable gap buffering hydraulic cylinder structure

Technical Field

The utility model relates to a pneumatic cylinder equipment technical field specifically is a pneumatic cylinder structure of clearance buffering with adjustable.

Background

When the hydraulic cylinder operates, the piston rod moves in the cylinder body in a reciprocating mode, the piston rod has certain mass and has large momentum under the driving of pressure, and when the piston rod operates to the terminal, the moving piston rod often collides with the cylinder head and the cylinder bottom mechanically, so that large impact pressure and noise are generated. And the impact collision can cause damage to the hydraulic cylinder and related parts such as pipes, valves, instruments and the like in related systems, so that the performance of mechanical equipment is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic cylinder structure of clearance buffering with adjustable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic cylinder structure of clearance buffering with adjustable, includes the cylinder body, the one end fixed mounting gland of cylinder body, and the fixed oiling mouth of seting up in gland below, the one end of the intraoral fixed connection oiling pipe of oiling, and be located the fixed one end that runs through gland and cylinder body of the other end of the intraoral oiling pipe of oiling, the fixed backing plate that is equipped with on the cylinder body, and the backing plate internal fixation runs through and is equipped with the cushion valve, the fixed limiting plate that is equipped with in third department of cushion valve, and the cushion valve internal fixation of limiting plate below sets up oil tank two, the parallel gag lever post of fixed mounting on the inner wall of the both sides of oil tank two, the movable mounting depression bar in the parallel gag lever post, the one end fixed connection of depression bar is at the interior top of oil tank two, the fixed hydraulic fluid port that is equipped with in cushion valve below, the lower extreme activity of depression bar runs through the hydraulic fluid port.

The oil tank I is fixedly arranged in the cylinder body, the clamping plate is fixedly arranged in one end of the oil tank I, one end of the clamping plate is fixedly connected with the fixed block, the cylinder barrel is arranged in the oil tank I in a sliding mode, two ends of the cylinder barrel are fixedly opened, one end of the fixed block is movably inserted into the opening in one end of the cylinder barrel, a sliding rod is fixedly arranged on the outer ring of the cylinder barrel on one side of the fixed block and is connected with the inner wall of the oil tank I in a sliding mode, a sliding plate is fixedly arranged in the middle of the cylinder barrel, two ends of the sliding plate are slidably connected to the inner walls of two sides of the oil tank I, the cylinder head is fixedly arranged at the other end of the cylinder body, a connecting piece is fixedly arranged at the joint of the cylinder head and the cylinder body, a cylinder shaft penetrates through the cylinder head, and the cylinder shaft movably penetrates through one end of the cylinder body.

Preferably, one end of a cylinder shaft positioned inside the cylinder body is rotatably inserted into one end of the cylinder barrel, clamping teeth are fixedly arranged at the joint of the cylinder barrel and the cylinder shaft, a telescopic rod is fixedly arranged on the outer wall of the cylinder head in a penetrating mode, the telescopic end of the telescopic rod is fixedly connected with a fixed rod, and a shovel blade is fixedly arranged in the middle of the fixed rod.

Preferably, the shovel blade is movably connected to an outer ring of a cylinder shaft located inside the cylinder head, the scraper is fixedly installed inside the cylinder head, an inner ring of the scraper is movably connected to one end of the cylinder shaft, and clamping teeth at one end of the cylinder shaft are fixedly meshed with clamping teeth inside the cylinder barrel.

Preferably, the fixed block is the type of protruding, the inside fixed mounting ball of hydraulic fluid port, and ball swing joint is on one side of cardboard, the fixed top that runs through oil tank one of hydraulic fluid port, the fixed lateral wall that runs through oil tank one of one end of notes oil pipe, the fixed annular spacing groove that is equipped with in the junction of backing plate and cushion valve, the rectangular spout is fixed to set up in the junction of slide and oil tank inner wall, the both ends sliding connection of slide is at the inner wall of spout.

Preferably, be located the fixed stopper that is equipped with in the junction of the inside cushion valve of cylinder body and oil tank, gland rear fixed mounting spliced pole, one side of spliced pole is fixed to run through and is equipped with the switching hole, is located the cushion valve top fixed mounting pressure head of cylinder body top, the cylinder body passes through fastening bolt fixed connection with the cylinder head.

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

1. the oil filling device is characterized in that a gland is arranged at one end of a cylinder body, a connecting hole is formed in one side of the gland through a connecting column, the cylinder body is moved or installed, an oil cavity is formed in the cylinder body, an oil filling pipe is connected to an oil filling opening in the bottom of the gland to fill oil into the oil cabin, a sliding groove is formed in the inner wall of the oil cabin, the cylinder barrel is installed in a sliding mode through a sliding plate and is connected with a cylinder shaft through the cylinder barrel, and when the cylinder shaft moves, a gap on the side opposite to the cylinder barrel is enlarged, so that a buffering effect is achieved;

2. simultaneously through backing plate installation cushion valve on the cylinder body, because one side of oil tank is run through to the bottom of cushion valve, and the ball on the hydraulic fluid port of cushion valve one end is connected when the clearance that is located fixed block one side increases with the side of fixed block the pressure of oil tank one side is greater than the opposite side, and the cylinder body inner wall of the little one side of pressure is alleviated to increase the life of cylinder body under the condition that does not influence cylinder body work efficiency.

Drawings

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

fig. 2 is a sectional view of the present invention;

fig. 3 is the internal structure schematic diagram of the middle cushion valve of the present invention.

In the figure: 1. a cylinder body; 2. a gland; 3. a cylinder head; 4. fastening a bolt; 5. connecting sheets; 6. an oil filling port; 7. switching the hole; 8. connecting columns; 9. a limiting groove; 10. a pressure head; 11. a base plate; 12. a cylinder shaft; 13. an oil filling pipe; 14. clamping a plate; 15. a first oil tank; 16. a slide bar; 17. a cylinder barrel; 18. clamping teeth; 19. fixing the rod; 20. a shovel blade; 21. a squeegee; 22. a telescopic rod; 23. a chute; 24. a slide plate; 25. a fixed block; 26. A limiting block; 27. a limiting plate; 28. a cushion valve; 29. a limiting rod; 30. a pressure lever; 31. a ball bearing; 32. An oil port; 33. and a second oil tank.

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. 1-3, the present invention provides a technical solution: an adjustable gap buffering hydraulic cylinder structure comprises a cylinder body 1, a gland 2 is fixedly arranged at one end of the cylinder body 1, an oil filling port 6 is fixedly arranged below the gland 2, one end of an oil filling pipe 13 is fixedly connected in the oil filling port 6, and the other end of the oil filling pipe 13 positioned in the oil filling port 6 is fixedly penetrated through the gland 2 and one end of the cylinder body 1, a backing plate 11 is fixedly arranged on the cylinder body 1, a cushion valve 28 is fixedly arranged in the backing plate 11 in a penetrating way, a limit plate 27 is fixedly arranged at one third position of the cushion valve 28, an oil tank II 33 is fixedly arranged in the cushion valve 28 below the limit plate 27, parallel limit rods 29 are fixedly arranged on the inner walls of two sides of the oil tank II 33, a pressure rod 30 is movably arranged in the parallel limit rods 29, one end of the pressure rod 30 is fixedly connected to the inner top of the oil tank II 33, an oil port 32 is fixedly arranged below the cushion valve 28, and the lower end of the pressure rod 30 movably penetrates through the oil port 32.

An oil tank I15 is fixedly arranged in a cylinder body 1, a clamping plate 14 is fixedly arranged in one end of the oil tank I15, one end of the clamping plate 14 is fixedly connected with a fixing block 25, a cylinder 17 is slidably arranged in the oil tank I15, two ends of the cylinder 17 are fixedly opened, one end of the fixing block 25 is movably inserted in an opening at one end of the cylinder 17, a sliding rod 16 is fixedly arranged on the outer ring of the cylinder 17 on one side of the fixing block 25, the sliding rod 16 is slidably connected with the inner wall of the oil tank I15, a sliding plate 24 is fixedly arranged in the middle of the cylinder 17, two ends of the sliding plate 24 are slidably connected with the inner walls of the two sides of the oil tank I15, a cylinder head 3 is fixedly arranged at the other end of the cylinder body 1, a connecting sheet 5 is fixedly arranged at the joint of the cylinder head 3 and the cylinder body 1, a cylinder shaft 12 is movably arranged in the cylinder head 3, and one end of the cylinder body 1 is movably arranged in the cylinder shaft 12.

Furthermore, the one end of the cylinder shaft 12 that is located inside the cylinder body 1 is rotated and is pegged graft in the one end of cylinder 17, and the fixed joint tooth 18 that is equipped with of the junction of cylinder 17 and cylinder shaft 12, is located the fixed telescopic link 22 that runs through of the outer wall of cylinder head 3, and the flexible end fixed connection dead lever 19 of telescopic link 22, and the middle part fixed mounting shovel piece 20 of dead lever 19.

Further, the shovel blade 20 is movably connected to an outer ring of the cylinder shaft 12 located inside the cylinder head 3, the scraper 21 is fixedly installed inside the cylinder head 3, an inner ring of the scraper 21 is movably connected to one end of the cylinder shaft 12, and the clamping teeth 18 at one end of the cylinder shaft 12 are fixedly meshed with the clamping teeth 18 inside the cylinder barrel 17.

Further, the fixed block 25 is the type of calligraphy of dogging, the inside fixed mounting ball 31 of hydraulic fluid port 32, and ball 31 swing joint is on one side of cardboard 14, the fixed top that runs through oil tank 15 of hydraulic fluid port 32, the fixed lateral wall that runs through oil tank 15 of one end of notes oil pipe 13, the fixed annular spacing groove 9 that is equipped with in backing plate 11 and the junction of cushion valve 28, rectangular spout 23 is seted up to the fixed junction of slide 24 and oil tank 15 inner wall, slide 24's both ends sliding connection is at the inner wall of spout 23.

Further, be located the fixed stopper 26 that is equipped with in the junction of the inside cushion valve 28 of cylinder body 1 and

oil tank

15, 2 rear fixed mounting spliced poles 8 of gland, one side of spliced pole 8 is fixed to run through and is equipped with switching hole 7, is located the cushion valve 28 top fixed mounting pressure head 10 of cylinder body 1 top, and cylinder body 1 passes through fastening bolt 4 fixed connection with cylinder head 3.

The working principle is as follows: when the device is normally used, a gland 5 is arranged at one end of a cylinder body 1, a connecting hole 7 is formed in one side of the gland 5 through a connecting column 8, the cylinder body 1 is moved or installed, an oil cabin I15 is arranged in the cylinder body 1, an oil filling pipe 13 is connected through an oil filling opening 6 in the bottom of the gland 2 to fill oil into the oil cabin I15, a sliding groove 23 is formed in the inner wall of the oil cabin I15, a cylinder barrel 17 is slidably installed through a sliding plate 24 and is connected with a cylinder shaft 12 through the cylinder barrel 17, a buffer valve 28 is arranged on the cylinder body 1 through a backing plate 11, because the bottom of the buffer valve 28 penetrates through one side of the oil cabin 15, a ball 31 on the oil opening at one end of the buffer valve 28 is connected with the side edge of a fixed block 25, a cylinder head 6 is arranged at the other end of the cylinder body 1, a cylinder shaft 12 penetrates through the cylinder head 3, the cylinder shaft 12 is connected with one end of the cylinder barrel 17, and because the volume of one side of the oil cabin I15 is limited, promote cylinder 17 after the oiling is accomplished and slide in spout 23 to promote cylinder shaft 12 flexible, when cylinder 17 removed, the pressure of 15 one sides in the oil tank was greater than the opposite side when the clearance of cylinder 17 one side increased, and the inner wall of 1 of cylinder body of the little one side of pressure was alleviated, thereby increased the life of cylinder body under the condition that does not influence 1 work efficiency of cylinder body.

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 a pneumatic cylinder structure of clearance buffering with adjustable, includes cylinder body (1), its characterized in that: one end fixed mounting gland (2) of cylinder body (1), and gland (2) below is fixed sets up oiling mouth (6), the one end of oiling mouth (6) internal fixation connection oiling pipe (13), and be located the fixed one end that runs through gland (2) and cylinder body (1) of the other end of oiling pipe (13) in oiling mouth (6), the fixed backing plate (11) that is equipped with on cylinder body (1), and backing plate (11) internal fixation run through and are equipped with cushion valve (28), the fixed limiting plate (27) that is equipped with in third department of cushion valve (28), and cushion valve (28) internal fixation below limiting plate (27) sets up oil tank two (33), parallel gag lever post (29) of fixed mounting on the inner wall of the both sides of oil tank two (33), parallel gag lever post (29) internal movable mounting depression bar (30), the one end fixed connection of depression bar (30) is at the top of oil tank two (33), an oil port (32) is fixedly arranged below the buffer valve (28), the lower end of the pressure lever (30) movably penetrates through the oil port (32),

an oil tank I (15) is fixedly arranged in the cylinder body (1), a clamping plate (14) is fixedly arranged in one end of the oil tank I (15), one end of the clamping plate (14) is fixedly connected with a fixed block (25), a cylinder barrel (17) is arranged in the oil tank I (15) in a sliding mode, two ends of the cylinder barrel (17) are fixedly opened, one end of the fixed block (25) is movably inserted into an opening in one end of the cylinder barrel (17), a sliding rod (16) is fixedly arranged on the outer ring of the cylinder barrel (17) on one side of the fixed block (25), the sliding rod (16) is connected with the inner wall of the oil tank I (15) in a sliding mode, a sliding plate (24) is fixedly arranged in the middle of the cylinder barrel (17), two ends of the sliding plate (24) are connected to the inner walls on two sides of the oil tank I (15) in a sliding mode, a cylinder head (3) is fixedly arranged at the other end of the cylinder body (1), and a connecting piece (5) is fixedly arranged at the connecting position of the cylinder head (3) and the cylinder body (1), a cylinder shaft (12) is movably arranged in the cylinder head (3) in a penetrating way, and the cylinder shaft (12) movably penetrates one end of the cylinder body (1).

2. The adjustable gap-cushioned hydraulic cylinder structure of claim 1, wherein: the cylinder head is characterized in that one end of a cylinder shaft (12) inside the cylinder body (1) is rotated and inserted into one end of a cylinder barrel (17), clamping teeth (18) are fixedly arranged at the joint of the cylinder barrel (17) and the cylinder shaft (12), an expansion rod (22) is fixedly arranged on the outer wall of the cylinder head (3) in a penetrating mode, the expansion end of the expansion rod (22) is fixedly connected with a fixing rod (19), and a shovel blade (20) is fixedly arranged in the middle of the fixing rod (19).

3. The adjustable gap-cushioned hydraulic cylinder structure of claim 2, wherein: the shovel blade (20) is movably connected to the outer ring of the cylinder shaft (12) located inside the cylinder head (3), the scraper (21) is fixedly installed in the cylinder head (3), the inner ring of the scraper (21) is movably connected to one end of the cylinder shaft (12), and the clamping teeth (18) at one end of the cylinder shaft (12) are fixedly meshed with the clamping teeth (18) inside the cylinder barrel (17).

4. The adjustable gap-cushioned hydraulic cylinder structure of claim 1, wherein: fixed block (25) are the type of protruding font, inside fixed mounting ball (31) of hydraulic fluid port (32), and ball (31) swing joint is on one side of cardboard (14), the fixed top that runs through oil tank (15) of hydraulic fluid port (32), the fixed lateral wall that runs through oil tank (15) of one end of notes oil pipe (13), backing plate (11) are fixed with annular spacing groove (9) with the junction of cushion valve (28), slide (24) are fixed with the junction of oil tank (15) inner wall and are seted up rectangular spout (23), the both ends sliding connection of slide (24) is at the inner wall of spout (23).

5. The adjustable gap-cushioned hydraulic cylinder structure of claim 1, wherein: be located fixed stopper (26) that is equipped with in junction of inside buffer valve (28) of cylinder body (1) and oil tank (15), gland (2) rear fixed mounting spliced pole (8), one side of spliced pole (8) is fixed to be run through and is equipped with switching hole (7), is located buffer valve (28) top fixed mounting pressure head (10) of cylinder body (1) top, cylinder body (1) passes through fastening bolt (4) fixed connection with jar head (3).