CN207634433U - A kind of hydraulic cylinder sealing device - Google Patents
A kind of hydraulic cylinder sealing device Download PDFInfo
- Publication number
- CN207634433U CN207634433U CN201721495439.1U CN201721495439U CN207634433U CN 207634433 U CN207634433 U CN 207634433U CN 201721495439 U CN201721495439 U CN 201721495439U CN 207634433 U CN207634433 U CN 207634433U
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- CN
- China
- Prior art keywords
- fixed
- link block
- block
- piston rod
- socketed
- Prior art date
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Abstract
The utility model discloses a kind of hydraulic cylinder sealing devices, including cylinder body, the cylinder body is equipped with piston rod, and one end of cylinder body is fixed with the first link block being socketed on the outside of piston rod, the side of first link block far from cylinder body is equipped with the second link block being socketed on the outside of piston rod, the side of second link block far from the first link block, which is fixed with, deposits dust hood, and deposit the one end of dust hood far from the second link block and be fixed with the first conical ring, the inside for depositing dust hood is equipped with and fixed second conical ring of the first link block.First conical ring of the utility model setting can in advance will be under the dust and dirt scraping that are adsorbed on the outside of piston rod, and second conical ring can further strike off the dirt on piston rod, the dirt of hanging fascia is flowed out by the inclined-plane of the second conical ring from discharge hole, enter cylinder body so as to avoid piston rod from carrying dirt, avoid influencing the stability in use of oil cylinder, using flexible.
Description
Technical field
The utility model is related to technical field of hydraulic oil cylinder more particularly to a kind of hydraulic cylinder sealing devices.
Background technology
Hydraulic cylinder is the hydraulic actuator that hydraulic energy is changed into mechanical energy, does straight reciprocating motion.The letter of its structure
Single, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap, stable movement, because
This is used widely in the hydraulic system of various machineries.Hydraulic cylinder power output and piston effective area and its pressure difference on both sides
It is directly proportional；Hydraulic cylinder is substantially made of cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit and exhaust apparatus.
Currently, when using hydraulic cylinder under factory process environment, the piston rod of hydraulic cylinder holds on its surface after stretching out oil cylinder
Easily absorption dirt, after use, dirt is easy to be entrained into oil cylinder, influences stability in use, needs to solve a line thus
Problem.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of hydraulic cylinder proposed is used
Sealing device.
To achieve the goals above, the utility model uses following technical solution：
A kind of hydraulic cylinder sealing device, including cylinder body, the cylinder body is equipped with piston rod, and one end of cylinder body is fixed with
The first link block being socketed on the outside of piston rod, the side of first link block far from cylinder body, which is equipped with, to be socketed on the outside of piston rod
The second link block, the side of second link block far from the first link block, which is fixed with, deposits dust hood, and deposits dust hood far from second
One end of link block is fixed with the first conical ring, and the inside for depositing dust hood is equipped with and fixed second taper of the first link block
Ring, and the second conical ring and the first conical ring are socketed in the outside of piston rod, second link block is close to deposit the one of dust hood
Side is fixed with mounting blocks, and mounting blocks are equipped with T shape mounting grooves, and sliding sleeve is connected to sliding block and fixture block, the fixture block in T installation shape slots
One end fixed with sliding block, and side of the sliding block far from fixture block is fixed with spring and pull rod.
Preferably, the spring is located at the both sides of pull rod, and the one end of spring far from sliding block is fixed and T shape mounting groove inner walls
It is fixed, and mounting blocks are equipped with the first through hole being adapted to pull rod size, and pull rod is slidably socketed in first through hole, and pull rod is remote
One end from sliding block is fixed with draw ring.
Preferably, first link block is fixed with fixed block close to the side of the second link block, and fixed block be equipped with
The clamping hole of fixture block size adaptation, and one end of fixture block is socketed in clamping hole, and mounting blocks and the second link block be equipped with
The card slot of fixed block size adaptation, and fixed block is socketed in card slot.
Preferably, the inside of second conical ring is equipped with first annular slot and the second annular groove, and in first annular slot
Equipped with the first sealing ring being socketed on the outside of piston rod, and the second sealing being socketed on the outside of piston rod is equipped in the second annular groove
Ring.
Preferably, first link block and the second link block are equipped with third annular groove, and set is equipped in third annular groove
The third sealing ring being connected on the outside of piston rod.
Preferably, the outside for depositing dust hood is equipped with and deposits the discharge hole being connected to inside dust hood.
In the utility model, dust and dirt scraping that the first conical ring of setting will can adsorb on the outside of piston rod in advance
Under, and the second conical ring can further strike off the dirt on piston rod, the dirt of hanging fascia by the inclined-plane of the second conical ring from
Discharge hole flows out, and enters cylinder body so as to avoid piston rod from carrying dirt, avoids the stability in use for influencing oil cylinder, meanwhile,
The first sealing ring, the second sealing ring and the third sealing ring being arranged can play sealing function, and sealing effect is good, using flexible；
By the draw ring of pull tie rod end, fixture block can be pulled out out of fixed block clamping hole so that the first link block and
Second link block can be dismantled, and dust hood, using flexible are deposited to easy to clean.
Description of the drawings
Fig. 1 be the utility model proposes a kind of hydraulic cylinder sealing device structural schematic diagram；
Fig. 2 be the utility model proposes a kind of hydraulic cylinder sealing device A at enlarged drawing.
In figure：Dust hood, 6 first conical rings, 7 second are deposited in 1 cylinder body, 2 piston rods, 3 first link blocks, 4 second link blocks, 5
Conical ring, 8 first sealing rings, 9 second sealing rings, 10 third sealing rings, 11 fixed blocks, 12 mounting blocks, 13 sliding blocks, 14 springs,
15 fixture blocks, 16 pull rods.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of hydraulic cylinder sealing device, including cylinder body 1, cylinder body 1 are equipped with piston rod 2, and cylinder body 1
One end is fixed with the first link block 3 for being socketed in 2 outside of piston rod, and the first side of the link block 3 far from cylinder body 1 is equipped with and is socketed in
Second link block 4 in 2 outside of piston rod, side of second link block 4 far from the first link block 3, which is fixed with, deposits dust hood 5, and deposits dirt
5 one end far from the second link block 4 of cover are fixed with the first conical ring 6, and the inside for depositing dust hood 5 is equipped with and the fixation of the first link block 3
The second conical ring 7, and the second conical ring 7 and the first conical ring 6 are socketed in the outside of piston rod 2, and the second link block 4 is close
The side for depositing dust hood 5 is fixed with mounting blocks 12, and mounting blocks 12 are equipped with T shape mounting grooves, and sliding sleeve is connected to sliding block in T installation shape slots
13 and fixture block 15, one end and the sliding block 13 of fixture block 15 are fixed, and side of the sliding block 13 far from fixture block 15 is fixed with spring 14 and draws
Bar 16, spring 14 is located at the both sides of pull rod 16, and the one end of spring 14 far from sliding block 13 is fixed and fixed with T shape mounting groove inner walls,
And mounting blocks 12 are equipped with the first through hole being adapted to 16 size of pull rod, and pull rod 16 is slidably socketed in first through hole, and pull rod
16 one end far from sliding block 13 are fixed with draw ring, and the first link block 3 is fixed with fixed block 11 close to the side of the second link block 4,
And fixed block 11 is equipped with the clamping hole being adapted to 15 size of fixture block, and one end of fixture block 15 is socketed in clamping hole, and mounting blocks
12 and second link block 4 be equipped with the card slot being adapted to 11 size of fixed block, and fixed block 11 is socketed in card slot, the second taper
The inside of ring 7 is equipped with first annular slot and the second annular groove, and is equipped in first annular slot and is socketed in the first of 2 outside of piston rod
Sealing ring 8, and the second sealing ring 9 for being socketed in 2 outside of piston rod is equipped in the second annular groove, the first link block 3 is connect with second
Block 4 is equipped with third annular groove, and the third sealing ring 10 for being socketed in 2 outside of piston rod is equipped in third annular groove, deposits dust hood 5
Outside is equipped with and deposits the discharge hole being connected to inside dust hood 5.
Operation principle：In the utility model, dust and dirt that the first conical ring 6 of setting adsorbs 2 outside of piston rod
It scrapes, and the second conical ring 7 can carry out a step and strike off, the dirt of hanging fascia is by the inclined-plane of second conical ring 7 from going out
Expect hole outflow, avoids influencing stability in use so as to avoid the carrying dirt of piston rod 2 from entering cylinder body 1, the first of setting is close
Seal ring 8, the second sealing ring 9 and third sealing ring 10 can play sealing function, and sealing effect is good, using flexible；Pass through pull
The draw ring of 16 end of pull rod can pull out fixture block 15 out of fixed block 11 clamping hole, so that the first link block 3 and
Two link blocks 4 can be dismantled, to easy to clean or replacement, using flexible.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of hydraulic cylinder sealing device, including cylinder body (1), which is characterized in that the cylinder body (1) is equipped with piston rod (2),
And one end of cylinder body (1) is fixed with the first link block (3) being socketed on the outside of piston rod (2), first link block (3) is separate
The side of cylinder body (1) is equipped with the second link block (4) being socketed on the outside of piston rod (2), and second link block (4) is far from first
The side of link block (3), which is fixed with, deposits dust hood (5), and deposits the one end of dust hood (5) far from the second link block (4) and be fixed with the first cone
Shape ring (6), the inside for depositing dust hood (5) are equipped with and fixed second conical ring (7) of the first link block (3), and the second taper
Ring (7) and the first conical ring (6) are socketed in the outside of piston rod (2), and second link block (4) is close to deposit dust hood (5)
Side is fixed with mounting blocks (12), and mounting blocks (12) are equipped with T shape mounting grooves, and sliding sleeve is connected to sliding block (13) in T installation shape slots
With fixture block (15), one end of the fixture block (15) and sliding block (13) are fixed, and side of the sliding block (13) far from fixture block (15) is fixed
There are spring (14) and pull rod (16).
2. a kind of hydraulic cylinder sealing device according to claim 1, which is characterized in that the spring (14), which is located at, draws
The both sides of bar (16), and the one end of spring (14) far from sliding block (13) is fixed and is fixed with T shape mounting groove inner walls, and mounting blocks (12)
Equipped with the first through hole being adapted to pull rod (16) size, and pull rod (16) is slidably socketed in first through hole, and pull rod (16) is remote
One end from sliding block (13) is fixed with draw ring.
3. a kind of hydraulic cylinder sealing device according to claim 1, which is characterized in that first link block (3)
It is fixed with fixed block (11) close to the side of the second link block (4), and fixed block (11) is equipped with and is adapted to fixture block (15) size
Clamping hole, and one end of fixture block (15) is socketed in clamping hole, and mounting blocks (12) and the second link block (4) are equipped with and fix
The card slot of block (11) size adaptation, and fixed block (11) is socketed in card slot.
4. a kind of hydraulic cylinder sealing device according to claim 1, which is characterized in that second conical ring (7)
Inside be equipped with first annular slot and the second annular groove, and first annular slot in be equipped be socketed on the outside of piston rod (2) first
Sealing ring (8), and the second sealing ring (9) being socketed on the outside of piston rod (2) is equipped in the second annular groove.
5. a kind of hydraulic cylinder sealing device according to claim 1, which is characterized in that first link block (3)
It is equipped with third annular groove with the second link block (4), and is equipped with the third sealing being socketed on the outside of piston rod (2) in third annular groove
Ring (10).
6. a kind of hydraulic cylinder sealing device according to claim 1, which is characterized in that described to deposit the outer of dust hood (5)
Side is equipped with and deposits the discharge hole being connected to inside dust hood (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495439.1U CN207634433U (en) | 2017-11-10 | 2017-11-10 | A kind of hydraulic cylinder sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495439.1U CN207634433U (en) | 2017-11-10 | 2017-11-10 | A kind of hydraulic cylinder sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634433U true CN207634433U (en) | 2018-07-20 |
Family
ID=62856476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721495439.1U Expired - Fee Related CN207634433U (en) | 2017-11-10 | 2017-11-10 | A kind of hydraulic cylinder sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088053A (en) * | 2021-11-11 | 2022-02-25 | 扬州市城市规划设计研究院有限责任公司 | Urban bridge health monitoring system |
-
2017
- 2017-11-10 CN CN201721495439.1U patent/CN207634433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088053A (en) * | 2021-11-11 | 2022-02-25 | 扬州市城市规划设计研究院有限责任公司 | Urban bridge health monitoring system |
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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: 20180720 Termination date: 20181110 |