CN219994048U - Cylinder cover sealing structure of hydraulic cylinder - Google Patents
Cylinder cover sealing structure of hydraulic cylinder Download PDFInfo
- Publication number
- CN219994048U CN219994048U CN202321551145.1U CN202321551145U CN219994048U CN 219994048 U CN219994048 U CN 219994048U CN 202321551145 U CN202321551145 U CN 202321551145U CN 219994048 U CN219994048 U CN 219994048U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder cap
- cap body
- hydraulic cylinder
- hydro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 239000002184 metal Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a cylinder cover sealing structure of a hydraulic cylinder, and relates to the technical field of hydraulic cylinders. This hydraulic cylinder's cylinder cap seal structure through setting up seal cover, the cushion, the snap ring for the snap ring can be in the same place with the laminating of hydro-cylinder body, even follow-up hydro-cylinder body is heated and is expanded, the snap ring still can laminate each other with the inner wall of hydro-cylinder body, thereby it flows from the gap to block fluid, improve the leakproofness between cylinder cap and the hydro-cylinder body, the sealed effect is better, through setting up sealing washer, fixed cover and clean sponge, through sealing washer and clean sponge, can seal the opening part of boss upside, make piston rod and sealing washer, clean sponge laminate each other, improve the sealed effect of cylinder cap mouth, clean sponge can strike off the dust on piston rod surface at the piston rod removal in-process, avoid the dust to get into inside the hydro-cylinder body.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a cylinder cover sealing structure of a hydraulic cylinder.
Background
Nowadays, in the working process of a hydraulic oil cylinder, the part where a cylinder cover and a cylinder body want to be connected easily has the condition of oil leakage, so that a cylinder cover sealing structure is required to be arranged for sealing in the production process of the hydraulic oil cylinder so as to ensure that the hydraulic oil cylinder cannot leak oil in the subsequent use process.
For example, patent publication number CN211082448U discloses a hydraulic cylinder cap of high sealed effect, including hydraulic cylinder cap body, member groove and opening, the member groove has been seted up at the middle part of hydraulic cylinder cap body, and the internally mounted in member groove has sealed the pad, the below of hydraulic cylinder cap body is connected with the cylinder, and the inside of cylinder is provided with the piston rod to the upper end of piston rod runs through the upper end of hydraulic cylinder cap body, the fixed slot has been seted up to the below of hydraulic cylinder cap body, and first elastic pad is installed to the bottom of fixed slot. The hydraulic oil cylinder cover with the high sealing effect is provided with the first elastic pad and the second elastic pad, when the hydraulic oil cylinder cover is rotatably installed, the inner wall of the cylinder barrel is attached to the second elastic pad made of rubber, the second elastic pad is extruded, and meanwhile, the first elastic pad is filled in a gap between the top end of the cylinder barrel and the bottom end of the fixed groove, so that the inside of the cylinder barrel is provided with good tightness, and the stability of the device is improved;
the position that its inside of hydraulic cylinder cap in this patent and cylinder body are connected still can exist certain gap, because the pneumatic cylinder can take place the friction with between cylinder body with piston in the use, can appear certain degree inflation after the inside heat of cylinder increases, leads to there to be the gap production between cylinder cap and the cylinder body, and fluid still can leak out, and the leakproofness is not fine.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a cylinder cover sealing structure of a hydraulic cylinder, which solves the problem that the sealing performance is not very good.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a hydraulic cylinder's cylinder cap seal structure, includes the cylinder cap body, cylinder cap body downside is provided with the elastic metal gasket, cylinder cap body upside is provided with the boss, boss upside fixed mounting has boss upside detachable to install the fixed cover, the fixed cover inboard is provided with clean sponge, cylinder cap body downside is provided with the hydro-cylinder body, hydro-cylinder body upside fixedly connected with flange, flange the elastic metal gasket with evenly distributed's mounting hole has been seted up on cylinder cap body surface, cylinder cap body downside fixed mounting has evenly distributed's locating piece, locating piece downside fixedly connected with mounting panel, the inboard movable mounting of locating piece has the slide, the mounting panel inboard is provided with the seal cover, seal cover fixed mounting is in cylinder cap body downside, the outside seal cover is provided with the cushion, the snap ring of evenly distributed is provided with in the cushion outside, the cylinder cap body is provided with sealing washer.
Preferably, a piston rod is arranged on the inner side of the cylinder body of the oil cylinder, and the piston rod extends upwards to the outer side of the cylinder cover body.
Preferably, five groups of clamping rings are arranged, a first sealing gasket is arranged on the outer side of the clamping rings, and clamping grooves corresponding to the clamping rings are formed in the inner side of the cylinder body of the oil cylinder.
Preferably, the positioning blocks are provided with four groups, and positioning grooves corresponding to the positioning blocks are formed in the surface of the connecting flange.
Preferably, a second sealing gasket is arranged on the inner side of the positioning block, and a groove corresponding to the sliding plate is formed on the inner side of the positioning block.
Preferably, pins are arranged on the upper side and the lower side of the sliding plate, and round grooves corresponding to the pins are formed in the inner sides of the grooves.
Preferably, the fixing plate is fixedly connected to the outer side of the fixing sleeve, and the fixing plate is mounted on the upper side of the boss through a bolt.
Advantageous effects
The utility model provides a cylinder cover sealing structure of a hydraulic cylinder. Compared with the prior art, the device has the following
The beneficial effects are that:
1. this hydraulic cylinder's cylinder cap seal structure through setting up seal cover, cushion, snap ring for the snap ring can be in the same place with the laminating of hydro-cylinder body, even follow-up hydro-cylinder body is heated and is expanded, the snap ring still can laminate each other with the inner wall of hydro-cylinder body, thereby stops fluid from the gap and flows, improves the leakproofness between cylinder cap and the hydro-cylinder body, and sealed effect is better.
2. This hydraulic cylinder's cylinder cap seal structure through setting up sealing washer, fixed cover and clean sponge, through sealing washer and clean sponge, can seal the opening part of boss upside for the piston rod is laminated with sealing washer, clean sponge each other, improves the sealed effect of cylinder cap mouth, and clean sponge can strike off the dust on piston rod surface at the piston rod removal in-process, avoids the dust to get into inside the hydro-cylinder body.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the positioning block according to the present utility model;
figure 4 is a schematic structural view of a sealing sleeve according to the utility model.
In the figure: 1. a cylinder head body; 2. an elastic metal gasket; 3. a boss; 4. a fixed sleeve; 5. an oil cylinder body; 6. a connecting flange; 7. a piston rod; 8. a mounting hole; 9. a positioning block; 10. a mounting plate; 11. a slide plate; 12. sealing sleeve; 13. a clasp; 14. a soft cushion; 15. a first gasket; 16. a second gasket; 17. a groove; 18. cleaning a sponge; 19. a fixing plate; 20. a bolt; 21. and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a hydraulic cylinder's cylinder cap seal structure, including cylinder cap body 1, cylinder cap body 1 downside is provided with elastic metal gasket 2, cylinder cap body 1 upside is provided with boss 3, boss 3 upside fixed mounting has boss 3 upside detachable mounting has fixed cover 4, fixed cover 4 inboard is provided with clean sponge 18, clean sponge 18 can clear up the dust on piston rod 7 surface, cylinder cap body 1 downside is provided with cylinder body 5, cylinder body 5 upside fixedly connected with flange 6, elastic metal gasket 2 and cylinder cap body 1 surface have seted up evenly distributed's mounting hole 8, cylinder cap body 1 downside fixedly mounted has evenly distributed's locating piece 9, through setting up locating piece 9, can conveniently fix a position the installation, locating piece 9 downside fixedly connected with mounting plate 10, locating piece 9 inboard movable mounting has slide 11, the inboard of mounting plate 10 is provided with seal cover 12, seal cover 12 fixed mounting is in cylinder cap body 1 downside, the seal cover 12 outside is provided with cushion 14, the outside fixed mounting has evenly distributed snap ring 13, through the setting of snap ring 13, make cylinder cap body 1 closely laminate together with cylinder cap body 5, cylinder cap body 1 is provided with sealing washer 21;
the cylinder body 5 is provided with the piston rod 7 in the inboard, the piston rod 7 upwards extends to the cylinder cap body 1 outside, snap ring 13 is provided with five groups, the snap ring 13 outside is provided with first sealed pad 15, the draw-in groove corresponding with snap ring 13 has been seted up to the cylinder body 5 inboard, locating piece 9 is provided with four groups, the constant head tank corresponding with locating piece 9 has been seted up on flange 6 surface, the locating piece 9 inboard is provided with the second sealed pad 16, the recess 17 corresponding with slide 11 has been seted up to the locating piece 9 inboard, slide 11 upper and lower both sides are provided with the pin, the circular slot corresponding with the pin has been seted up to the recess 17 inboard, through the setting of pin and circular slot, can firmly fix slide 11 in the inboard fixed cover 4 outside fixedly connected with fixed plate 19 of locating piece 9, the fixed plate 19 passes through bolt 20 and installs in boss 3 upside.
During operation, firstly, the sliding plate 11 is retracted to the inner side of the positioning block 9, then the cylinder cover body 1 is arranged on the cylinder body 5, the positioning block 9 can move to the outer side of the cylinder body 5 through the connecting flange 6, then the sliding plate 11 is rotated, the sliding plate 11 is connected with the positioning block 9 on the other side, the mounting plate 10 is firmly fixed on the outer side of the cylinder body 5, then the fixing sleeve 4 is placed on the boss 3 along the piston rod 7 and is fixed by the bolts 20, the clamping ring 13 can be attached to the cylinder body 5 through the sealing sleeve 12, the soft cushion 14 and the clamping ring 13, even if the subsequent cylinder body 5 is heated and expands, the clamping ring 13 can be attached to the inner wall of the cylinder body 5, so that oil can flow out from the gap, the sealing performance between the cylinder cover and the cylinder body 5 is improved, the sealing effect is better, the opening on the upper side of the boss 3 can be sealed through the sealing washer 21 and the cleaning sponge 18, the piston rod 7 can be attached to the sealing washer 21 and the cleaning sponge 18, the sealing effect of the opening of the cylinder cover is improved, and dust in the cylinder body 5 can be prevented from entering the cylinder body 7 in the process of the piston rod 7.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (7)
1. The utility model provides a hydraulic cylinder's cylinder cap seal structure, includes cylinder cap body (1), its characterized in that: the utility model provides a cylinder cap body (1) downside is provided with elastic metal gasket (2), cylinder cap body (1) upside is provided with boss (3), boss (3) upside fixed mounting has boss (3) upside demountable installation fixed cover (4), fixed cover (4) inboard is provided with clean sponge (18), cylinder cap body (1) downside is provided with hydro-cylinder body (5), hydro-cylinder body (5) upside fixedly connected with flange (6), flange (6) elastic metal gasket (2) with mounting hole (8) of evenly distributed have been seted up on cylinder cap body (1) surface, cylinder cap body (1) downside fixed mounting has evenly distributed's locating piece (9), locating piece (9) downside fixedly connected with mounting panel (10), locating piece (9) inboard movable mounting has slide (11), mounting panel (10) inboard is provided with seal cover (12), seal cover (12) fixed mounting is in cylinder cap body (1) downside, seal cover (12) outside is provided with flange (14), cushion (14) outside evenly distributed has snap ring (21), cushion (13) fixed mounting has seal ring (13).
2. The cylinder head sealing structure of a hydraulic cylinder according to claim 1, wherein: the inside of the oil cylinder body (5) is provided with a piston rod (7), and the piston rod (7) extends upwards to the outside of the cylinder cover body (1).
3. The cylinder head sealing structure of a hydraulic cylinder according to claim 1, wherein: five groups of clamping rings (13) are arranged, a first sealing gasket (15) is arranged on the outer side of the clamping rings (13), and clamping grooves corresponding to the clamping rings (13) are formed in the inner side of the cylinder body (5).
4. The cylinder head sealing structure of a hydraulic cylinder according to claim 1, wherein: the positioning blocks (9) are provided with four groups, and positioning grooves corresponding to the positioning blocks (9) are formed in the surface of the connecting flange (6).
5. The cylinder head sealing structure of a hydraulic cylinder according to claim 1, wherein: the inner side of the positioning block (9) is provided with a second sealing gasket (16), and the inner side of the positioning block (9) is provided with a groove (17) corresponding to the sliding plate (11).
6. The cylinder head sealing structure of a hydraulic cylinder according to claim 5, wherein: pins are arranged on the upper side and the lower side of the sliding plate (11), and round grooves corresponding to the pins are formed in the inner sides of the grooves (17).
7. The cylinder head sealing structure of a hydraulic cylinder according to claim 1, wherein: the fixing sleeve (4) is fixedly connected with a fixing plate (19) on the outer side, and the fixing plate (19) is installed on the upper side of the boss (3) through a bolt (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551145.1U CN219994048U (en) | 2023-06-16 | 2023-06-16 | Cylinder cover sealing structure of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551145.1U CN219994048U (en) | 2023-06-16 | 2023-06-16 | Cylinder cover sealing structure of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219994048U true CN219994048U (en) | 2023-11-10 |
Family
ID=88616365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321551145.1U Active CN219994048U (en) | 2023-06-16 | 2023-06-16 | Cylinder cover sealing structure of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219994048U (en) |
-
2023
- 2023-06-16 CN CN202321551145.1U patent/CN219994048U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103528761A (en) | Internal expansion block sealing device for hole | |
| CN104669472A (en) | Ventless Segmented Tire Mold | |
| CN208420278U (en) | A kind of airtight detection jig | |
| CN219994048U (en) | Cylinder cover sealing structure of hydraulic cylinder | |
| CN212567804U (en) | Sealing test device | |
| CN105092165A (en) | Ball valve test machine | |
| CN106802216B (en) | Elastic plugging of leak tester | |
| CN104550075A (en) | Clamp for cleaning cavity of air brake control valve middle body | |
| CN210465153U (en) | Framework oil seal pressure-resistant test device of reciprocating motion type hydraulic shock absorber | |
| CN112519158A (en) | Injection molding machine clamping cylinder structure | |
| CN211467368U (en) | Injection molding machine clamping cylinder structure | |
| CN209724473U (en) | A kind of vehicle thermoregulator seat | |
| CN216555327U (en) | Gasket that leakproofness is strong for car | |
| CN220497471U (en) | Standardized sealing expansion hydraulic mould | |
| CN219220900U (en) | Leak-proof hydraulic cylinder | |
| CN212509697U (en) | Oil distribution end cover casting structure capable of preventing pipeline from falling off | |
| CN219129687U (en) | Shower type spraying mechanical arm spraying device | |
| CN212899222U (en) | Novel thimble hydro-cylinder protecgulum | |
| CN213899893U (en) | High-sealing-performance combined oil seal | |
| CN210190482U (en) | Oil hydraulic cylinder for injection molding of mold | |
| CN213543897U (en) | Novel plugging mechanism | |
| CN204842411U (en) | Pneumatic braking control valve midbody inner chamber washs anchor clamps | |
| CN208780412U (en) | A kind of electric vehicle water jacket air-tightness detection device | |
| CN207394219U (en) | Internal-expansion type plugging mechanism | |
| CN220421542U (en) | Motor casing cavity internal expansion type sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |