CN216812359U - Piston type lifting oil cylinder structure - Google Patents
Piston type lifting oil cylinder structure Download PDFInfo
- Publication number
- CN216812359U CN216812359U CN202220616930.XU CN202220616930U CN216812359U CN 216812359 U CN216812359 U CN 216812359U CN 202220616930 U CN202220616930 U CN 202220616930U CN 216812359 U CN216812359 U CN 216812359U
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- Prior art keywords
- cylinder body
- piston
- cover plate
- sliding
- clamping block
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 55
- 238000009413 insulation Methods 0.000 claims description 12
- 239000003921 oil Substances 0.000 description 34
- 239000010720 hydraulic oil Substances 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a piston type lifting oil cylinder structure, which relates to the technical field of piston type lifting oil cylinders and comprises a cylinder body and a fixing unit; the buffer unit is arranged in the cylinder body, the connecting valve and the cover plate are arranged on the cylinder body, the piston is connected in the cylinder body in a sliding mode, the piston is provided with a sliding column, and the sliding column is connected with the cover plate in a sliding mode; the fixed unit comprises two sealing grooves, sealing rings, two U-shaped frames, a movable block, a screw, a rotary table, a movable fixture block, a fixed fixture block and guide columns, wherein the sealing grooves are formed in the upper surface of the cylinder body; the utility model can effectively offset the impact when the oil cylinder is lifted, thereby protecting the oil cylinder, being convenient for disassembling the oil cylinder and maintaining the oil cylinder.
Description
Technical Field
The utility model relates to the technical field of piston type lifting oil cylinders, in particular to a piston type lifting oil cylinder structure.
Background
The oil cylinder is a linear motion type executing element with output force being in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston, the function of the oil cylinder is to convert hydraulic energy into mechanical energy, the input quantity of the oil cylinder is the flow and the pressure of fluid, the output is linear motion speed and force, the piston of the oil cylinder can complete linear reciprocating motion, and the output linear displacement is limited;
the piston type lifting oil cylinder structure disclosed in the patent with the publication number of CN215798161U in the prior art relates to the field of oil cylinders and comprises a cylinder body, wherein circular grooves are symmetrically formed in the bottoms of two connecting rods, springs are symmetrically and fixedly connected to the centers of the bottoms of two limiting blocks, a piston chamber is arranged on the left side of an oil inlet valve, a first connecting rod is fixedly connected to the center of the top of a piston, guide chambers are arranged at the tops of two guide blocks, an adaptive groove is formed in the top of a sliding block, and a second connecting rod is arranged at the top of the adaptive groove;
when it was using, impact when can't going up and down offsets to very easily make the hydro-cylinder receive the damage, reduced life, and when using, be not convenient for dismantle the maintenance to the hydro-cylinder, for this reason, we provide a piston lift cylinder structure.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a piston type lifting oil cylinder structure which can effectively offset the impact during lifting, so that the oil cylinder is protected, the oil cylinder is convenient to disassemble and maintain, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a piston type lifting oil cylinder structure comprises a cylinder body and a fixing unit;
a cylinder body: the piston is connected with the piston in a sliding manner, a sliding column is arranged on the piston, and the sliding column is connected with the cover plate in a sliding manner;
a fixing unit: include seal groove, sealing washer, sealing ring, U type frame, movable block, screw rod, carousel, activity fixture block, fixed fixture block and guide post, the seal groove sets up the upper surface at the cylinder body, is provided with the sealing washer in the seal groove, the sealing ring sets up on the apron, sealing ring sliding connection seal groove, U type frame is totally two and sets up respectively in the both sides of apron, and swing joint has the movable block on the U type frame, threaded connection screw rod on the movable block, the upper end of screw rod is provided with the carousel, and the lower extreme of screw rod rotates connects movable fixture block, activity fixture block sliding connection joint is on fixed fixture block, fixed fixture block sets up on the cylinder body, the guide post sets up in the upper surface four corners of cylinder body, guide post sliding connection apron, the lower surface of apron is provided with the slide opening corresponding with the guide post.
The guide post is aligned with the sliding hole on the cover plate, so that the guide post slides into the sliding hole on the cover plate, the cover plate is installed on the cylinder body, the sealing ring slides into the sealing groove, the sealing ring is extruded on the sealing ring, the sealing ring is hermetically connected with the sealing groove and the sealing ring, the screw is driven by the rotary disc to rotate, the movable clamping block is driven by the screw to move, the movable clamping block is clamped with the fixed clamping block, the rotary disc is reversely rotated, the rotary disc pulls the movable clamping block through the screw, so that the movable clamping block is locked with the fixed clamping block, the cover plate is fixed on the cylinder body, when the cover plate is used, the connecting valve is connected with an external oil supply device, hydraulic oil is conveyed into the cylinder body through the connecting valve, the hydraulic oil pushes the piston to move, the piston drives the sliding post to move, so that the lifting action is completed, when the hydraulic oil in the cylinder body flows out through the connecting valve, the piston drives the sliding post to descend, impact force generated when the piston and the sliding column are lifted is offset through the buffer unit, so that the cylinder body is protected, and the service life of the oil cylinder is prolonged.
Further, the buffer unit comprises a first spring, a connecting column, a push plate, a pressing plate, a second spring, a mounting plate and a bolt, wherein the first spring is arranged on the upper surface of the piston, the first spring is sleeved on the sliding column, the connecting column is arranged on the lower surface of the piston, the push plate is arranged at the lower end of the connecting column, the mounting plate is arranged on the inner bottom surface of the cylinder body, the second spring is arranged on the mounting plate, the pressing plate is arranged on the second spring, the bolt is arranged on the lower surface of the cylinder body, the cylinder body and the mounting plate are in threaded connection through the bolt, the mounting plate is fixed through the bolt, the mounting plate is convenient to mount and dismount, when the piston rises, the piston drives the first spring and the sliding column to move, so that the cover plate is protected in a buffer mode, when the piston drives the push plate to move through the connecting column, the push plate compresses the second spring through the pressing plate, so that the impact force generated when the piston falls is offset, thereby effectively protecting the cylinder body and prolonging the service life of the oil cylinder.
Further, still include the sound insulation cover, the sound insulation cover cup joints the surface at the cylinder body, and sound insulation cover fixed connection cylinder body absorbs the noise of hydro-cylinder during operation through the sound insulation cover, noise pollution abatement.
Further, still include wear-resisting cover, wear-resisting cover sets up on the apron, and wear-resisting cover sliding connection traveller improves the leakproofness between traveller and the apron through wear-resisting cover, and can reduce the wearing and tearing of traveller and apron.
Further, still include branch and spacing ring, branch totally two and all set up the upper surface at the apron, are provided with the spacing ring between two branches, spacing ring sliding connection traveller supports the spacing ring through two branches, carries on spacingly when moving the traveller through the spacing ring, avoids the traveller to take place the skew influence and use.
Further, still include fixed plate and connecting bolt, the fixed plate is totally two and all sets up the lower surface at the cylinder body, is provided with connecting bolt on the fixed plate, fixes the fixed plate through connecting bolt, fixes the cylinder body through the fixed plate.
Compared with the prior art, the utility model has the beneficial effects that: has the following advantages:
1. the sealing performance between the cover plate and the cylinder body is improved through the sealing groove, the sealing ring and the sealing ring, the cover plate is convenient to position and mount through the guide column, the rotary disc drives the screw rod to rotate, the screw rod drives the movable clamping block to move, the movable clamping block and the fixed clamping block are clamped with each other, the rotary disc is rotated reversely, the rotary disc pulls the movable clamping block through the screw rod, the movable clamping block and the fixed clamping block are locked, the cover plate is fixed on the cylinder body, the convenience of mounting and dismounting the oil cylinder is improved, and the oil cylinder is convenient to dismount and maintain;
2. when the piston rises, the cover plate is protected in a buffering mode through the first spring, when the piston descends, the piston drives the push plate to move through the connecting column, the push plate compresses the second spring through the pressing plate, and therefore impact force generated when the piston descends is offset, the cylinder body is effectively protected, and the service life of the oil cylinder is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention.
In the figure: the device comprises a cylinder body 1, a buffer unit 2, a first spring 21, a connecting column 22, a push plate 23, a pressure plate 24, a second spring 25, a mounting plate 26, a bolt 27, a fixing unit 3, a sealing groove 31, a sealing ring 32, a sealing ring 33, a 34U-shaped frame, a movable block 35, a screw 36, a rotary disc 37, a movable clamping block 38, a fixed clamping block 39, a guide column 310, a piston 4, a sliding column 5, a sound insulation sleeve 6, a connecting valve 7, a cover plate 8, a wear-resistant sleeve 9, a supporting rod 10, a limiting ring 11, a fixing plate 12 and a connecting bolt 13.
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.
Referring to fig. 1-2, the present embodiment provides a technical solution: a piston type lifting oil cylinder structure comprises a cylinder body 1 and a fixing unit 3;
the cylinder body 1: the inner part of the cylinder body is provided with a buffer unit 2, a connecting valve 7 and a cover plate 8 are arranged on the cylinder body 1, a piston 4 is connected in the cylinder body 1 in a sliding way, a sliding column 5 is arranged on the piston 4, and the sliding column 5 is connected with the cover plate 8 in a sliding way;
the fixing unit 3: comprises a sealing groove 31, a sealing ring 32, a sealing ring 33, a U-shaped frame 34, a movable block 35, a screw 36, a rotating disc 37, a movable clamping block 38, a fixed clamping block 39 and a guide column 310, the sealing groove 31 is arranged on the upper surface of the cylinder body 1, a sealing ring 32 is arranged in the sealing groove 31, the sealing ring 33 is arranged on the cover plate 8, the sealing ring 33 is connected with the sealing groove 31 in a sliding mode, two U-shaped frames 34 are respectively arranged on two sides of the cover plate 8, movable blocks 35 are movably connected on the U-shaped frames 34, screw rods 36 are connected on the movable blocks 35 in a threaded mode, a rotary disc 37 is arranged at the upper ends of the screw rods 36, the lower ends of the screw rods 36 are rotatably connected with movable clamping blocks 38, the movable clamping blocks 38 are connected on fixed clamping blocks 39 in a sliding mode, the fixed clamping blocks 39 are arranged on the cylinder body 1, guide columns 310 are arranged at four corners of the upper surface of the cylinder body 1, the guide columns 310 are connected with the cover plate 8 in a sliding mode, and sliding holes corresponding to the guide columns 310 are formed in the lower surface of the cover plate 8.
The guide post 310 is aligned with the sliding hole on the cover plate 8, so that the guide post 310 slides into the sliding hole on the cover plate 8, thereby the cover plate 8 is installed on the cylinder body 1, the sealing ring 33 slides into the sealing groove 31, the sealing ring 33 is extruded on the sealing ring 32, the sealing ring 32 is hermetically connected with the sealing groove 31 and the sealing ring 33, the turnplate 37 drives the screw rod 36 to rotate, the screw rod 36 drives the movable clamping block 38 to move, so that the movable clamping block 38 and the fixed clamping block 39 are clamped with each other, the turnplate 37 is rotated reversely, the turnplate 37 pulls the movable clamping block 38 through the screw rod 36, so that the movable clamping block 38 and the fixed clamping block 39 are locked, thereby the cover plate 8 is fixed on the cylinder body 1, when in use, the connecting valve 7 is connected with an external oil supply device, hydraulic oil is conveyed into the cylinder body 1 through the connecting valve 7, the hydraulic oil pushes the piston 4 to move, the piston 4 drives the sliding post 5 to move, thereby the ascending action is completed, when the oil cylinder needs to descend, hydraulic oil in the cylinder body 1 flows out through the connecting valve 7, the piston 4 drives the sliding column 5 to descend, and impact force generated when the piston 4 and the sliding column 5 ascend and descend is counteracted through the buffer unit 2, so that the cylinder body 1 is protected, and the service life of the oil cylinder is prolonged.
The buffer unit 2 comprises a first spring 21, a connecting column 22, a push plate 23, a pressing plate 24, a second spring 25, a mounting plate 26 and a bolt 27, the first spring 21 is arranged on the upper surface of the piston 4, the first spring 21 is sleeved on the sliding column 5, the connecting column 22 is arranged on the lower surface of the piston 4, the push plate 23 is arranged at the lower end of the connecting column 22, the mounting plate 26 is arranged on the inner bottom surface of the cylinder body 1, the second spring 25 is arranged on the mounting plate 26, the pressing plate 24 is arranged on the second spring 25, the bolt 27 is arranged on the lower surface of the cylinder body 1, the bolt 27 is in threaded connection with the cylinder body 1 and the mounting plate 26, the mounting plate 26 is fixed through the bolt 27, the mounting plate 26 is convenient to mount and dismount, when the piston 4 rises, the piston 4 drives the first spring 21 and the sliding column 5 to move, thereby performing buffer protection on the cover plate 8, when the piston 4 descends, the connecting column 22 drives the push plate 23 to move, the push plate 23 compresses the second spring 25 through the press plate 24, so that the impact force generated when the piston 4 descends is offset, the cylinder body 1 is effectively protected, and the service life of the oil cylinder is prolonged.
Still including sound insulation sleeve 6, sound insulation sleeve 6 cup joints at the surface of cylinder body 1, and 6 fixed connection cylinder bodies 1 of sound insulation sleeve absorb the noise of hydro-cylinder during operation through sound insulation sleeve 6, noise abatement pollution.
Still include wear-resisting cover 9, wear-resisting cover 9 sets up on apron 8, and wear-resisting cover 9 sliding connection traveller 5 improves the leakproofness between traveller 5 and the apron 8 through wear-resisting cover 9, and can reduce the wearing and tearing of traveller 5 and apron 8.
Still include branch 10 and spacing ring 11, branch 10 is totally two and all sets up at the upper surface of apron 8, is provided with spacing ring 11 between two branches 10, and 11 sliding connection travelers 5 of spacing ring support spacing ring 11 through two branches 10, and it is spacing when moving travelers 5 through spacing ring 11, avoid travelers 5 to take place the skew influence and use.
Still include fixed plate 12 and connecting bolt 13, fixed plate 12 is totally two and all sets up the lower surface at cylinder body 1, is provided with connecting bolt 13 on the fixed plate 12, fixes fixed plate 12 through connecting bolt 13, fixes cylinder body 1 through fixed plate 12.
The working principle of the piston type lifting oil cylinder structure provided by the utility model is as follows: when the oil cylinder is used, the fixing plate 12 is fixed through the connecting bolt 13, the cylinder body 1 is fixed through the fixing plate 12, the connecting valve 7 is connected with an external oil supply device, hydraulic oil is conveyed into the cylinder body 1 through the connecting valve 7 and pushes the piston 4 to move, the piston 4 drives the first spring 21 and the sliding column 5 to move, the sealing property between the sliding column 5 and the cover plate 8 is improved through the wear-resisting sleeve 9, the abrasion between the sliding column 5 and the cover plate 8 can be reduced, the sliding column 5 is limited when moving through the limiting ring 11, the sliding column 5 is prevented from deflecting, the sliding column 5 moves to a certain distance, the upper end of the first spring 21 contacts the cover plate 8, the piston 4 compresses the first spring 21 to reduce the impact of the piston 4 on the cover plate 8, when the oil cylinder body 1 descends, the hydraulic oil in the cylinder body 1 flows out through the connecting valve 7, the piston 4 drives the sliding column 5 to descend, the piston 4 drives the push plate 23 to move through the connecting column 22, the push plate 23 compresses the second spring 25 through the press plate 24, so as to counteract the impact force when the piston 4 descends, thereby protecting the cylinder body 1, and prolong the service life of the oil cylinder, when the oil cylinder is overhauled, the cover plate 8 is loosened, the cover plate 8 is taken down, thereby overhauling the oil cylinder, when the oil cylinder is assembled, the guide post 310 aligns with the slide hole on the cover plate 8, so that the guide post 310 slides into the slide hole on the cover plate 8, thereby installing the cover plate 8 on the cylinder body 1, the sealing ring 33 slides into the sealing groove 31, the sealing ring 33 is extruded on the sealing ring 32, so that the sealing ring 32 is hermetically connected with the sealing groove 31 and the sealing ring 33, the turnplate 37 drives the screw rod 36 to rotate, the screw rod 36 drives the movable clamping block 38 to move, so that the movable clamping block 38 is clamped with the fixed clamping block 39, the turnplate 37 is rotated reversely, the turnplate 37 pulls the movable clamping block 38 through the screw rod 36, the movable clamping block 38 and the fixed clamping block 39 are locked, so that the cover plate 8 is fixed on the cylinder body 1, and the oil cylinder is assembled.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a piston lift cylinder structure which characterized in that: comprises a cylinder body (1) and a fixed unit (3);
cylinder (1): a buffer unit (2) is arranged in the cylinder body (1), a connecting valve (7) and a cover plate (8) are arranged on the cylinder body (1), a piston (4) is connected in the cylinder body (1) in a sliding mode, a sliding column (5) is arranged on the piston (4), and the sliding column (5) is connected with the cover plate (8) in a sliding mode;
fixing unit (3): comprises a sealing groove (31), a sealing ring (32), a sealing ring (33), a U-shaped frame (34), a movable block (35), a screw rod (36), a turntable (37), a movable clamping block (38), a fixed clamping block (39) and a guide post (310), wherein the sealing groove (31) is arranged on the upper surface of a cylinder body (1), the sealing ring (32) is arranged in the sealing groove (31), the sealing ring (33) is arranged on a cover plate (8), the sealing ring (33) is in sliding connection with the sealing groove (31), the U-shaped frames (34) are totally arranged on two sides of the cover plate (8) respectively, the movable block (35) is movably connected on the U-shaped frame (34), the screw rod (36) is in threaded connection on the movable block (35), the turntable (37) is arranged at the upper end of the screw rod (36), the movable clamping block (38) is rotatably connected at the lower end of the screw rod (36), and the movable clamping block (38) is in sliding connection with the fixed clamping block (39), the fixed clamping block (39) is arranged on the cylinder body (1), the guide columns (310) are arranged at four corners of the upper surface of the cylinder body (1), the guide columns (310) are connected with the cover plate (8) in a sliding mode, and sliding holes corresponding to the guide columns (310) are formed in the lower surface of the cover plate (8).
2. A piston lift cylinder arrangement as in claim 1, wherein: buffer unit (2) include first spring (21), spliced pole (22), push pedal (23), clamp plate (24), second spring (25), mounting panel (26) and bolt (27), first spring (21) sets up the upper surface in piston (4), and first spring (21) cup joint on traveller (5), spliced pole (22) set up the lower surface in piston (4), and the lower extreme of spliced pole (22) is provided with push pedal (23), mounting panel (26) set up the inside bottom surface in cylinder body (1), are provided with second spring (25) on mounting panel (26), be provided with clamp plate (24) on second spring (25), bolt (27) set up the lower surface in cylinder body (1), bolt (27) threaded connection cylinder body (1) and mounting panel (26).
3. A piston lift cylinder arrangement as in claim 1, wherein: still include sound insulation cover (6), sound insulation cover (6) cup joint at the surface of cylinder body (1), sound insulation cover (6) fixed connection cylinder body (1).
4. A piston lift cylinder arrangement as in claim 1, wherein: still include wear-resisting cover (9), wear-resisting cover (9) set up on apron (8), wear-resisting cover (9) sliding connection traveller (5).
5. A piston lift cylinder arrangement as in claim 1, wherein: still include branch (10) and spacing ring (11), branch (10) are totally two and all set up the upper surface at apron (8), are provided with spacing ring (11) between two branch (10), spacing ring (11) sliding connection traveller (5).
6. A piston lift cylinder arrangement as in claim 1, wherein: still include fixed plate (12) and connecting bolt (13), fixed plate (12) are totally two and all set up the lower surface at cylinder body (1), are provided with connecting bolt (13) on fixed plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220616930.XU CN216812359U (en) | 2022-03-17 | 2022-03-17 | Piston type lifting oil cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220616930.XU CN216812359U (en) | 2022-03-17 | 2022-03-17 | Piston type lifting oil cylinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812359U true CN216812359U (en) | 2022-06-24 |
Family
ID=82046468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220616930.XU Expired - Fee Related CN216812359U (en) | 2022-03-17 | 2022-03-17 | Piston type lifting oil cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812359U (en) |
-
2022
- 2022-03-17 CN CN202220616930.XU patent/CN216812359U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |