CN209244972U - A kind of guide sleeve of hydraulic cylinder - Google Patents
A kind of guide sleeve of hydraulic cylinder Download PDFInfo
- Publication number
- CN209244972U CN209244972U CN201822016267.6U CN201822016267U CN209244972U CN 209244972 U CN209244972 U CN 209244972U CN 201822016267 U CN201822016267 U CN 201822016267U CN 209244972 U CN209244972 U CN 209244972U
- Authority
- CN
- China
- Prior art keywords
- guide sleeve
- seal
- pilot
- hydraulic cylinder
- oil
- 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.)
- Expired - Fee Related
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- Sealing Devices (AREA)
Abstract
The utility model discloses a kind of guide sleeves of hydraulic cylinder, including guide sleeve ontology, mounting flange, pilot seal body and end cap, guide sleeve ontology one end forms the mounting flange, mounting hole is formed on the mounting flange, the mounting hole side is provided with guide sleeve end face seal slot, guide sleeve outer circle seal groove is provided on the guide sleeve outer body wall, the guide sleeve body interior forms pilot hole, is provided with oil storage tank on the pilot hole.Beneficial effect is: the utility model passes through setting oil absorbent material circle one and oil absorbent material circle two, it can be during piston rod movement, one layer of fine and close oil sealing film is formed between piston rod and inner hole sealing ring, good sealing effect can be played, by the way that oil storage tank is arranged, a certain amount of hydraulic oil can be accumulated inside oil storage tank, lubricating action can be played in piston rod movement, steady guiding is provided for piston rod movement, guarantees the stationarity of piston rod movement.
Description
Technical field
The utility model relates to guide sleeve technical fields, and in particular to a kind of guide sleeve of hydraulic cylinder.
Background technique
Key part of the guide sleeve for hydraulic oil cylinder as hydraulic cylinder, it is mounted on cylinder tube front end, to piston rod into
The cooperation of row guiding and sealing, it and piston rod directly decides the quality of cylinder seal, if sealing is bad, hydraulic oil can be from
Gap location leakage between sealing ring and guide sleeve, makes hydraulic cylinder hydraulic fluid leak phenomenon occur, such case can make hydraulic
The actual pressure of oil cylinder is less than rated pressure, to influence the safe handling of hydraulic cylinder, traditional hydraulic cylinder is in work one
After the section time, the temperature of hydraulic oil can be increased, and cause the sealing effect of sealing ring to reduce, simultaneously because piston rod and hydraulic cylinder
Between gap it is smaller, cause the lubricant effect during piston rod movement poor, to influence the stationarity of piston rod movement.
Utility model content
(1) technical problems to be solved
In order to overcome the shortage of prior art, it is proposed that a kind of guide sleeve of hydraulic cylinder solves traditional hydraulic cylinder
In work since the temperature of hydraulic oil can increase, causes the sealing effect reduction of sealing ring and lubricant effect poor, influence piston
The problem of bar robust motion.
(2) technical solution
The utility model is achieved through the following technical solutions: the utility model proposes a kind of guide sleeve of hydraulic cylinder,
Including guide sleeve ontology, mounting flange, pilot seal body and end cap, guide sleeve ontology one end forms the Method for Installation
Orchid forms mounting hole on the mounting flange, and the mounting hole side is provided with guide sleeve end face seal slot, the guide sleeve
Guide sleeve outer circle seal groove is provided on outer body wall, the guide sleeve body interior forms pilot hole, the pilot hole
On be provided with oil storage tank, the oil storage tank side is provided with the pilot seal body, and pilot seal body side is arranged
End cap is stated, gasket is provided between the end cap and the guide sleeve ontology, forms guiding on wall in the pilot seal body
Inner hole seal groove is sealed, the pilot seal inner hole seal groove is internally provided with inner hole sealing ring, and the pilot seal inner hole is close
Sealing groove side is provided with oil absorbent material circle one, and the pilot seal inner hole seal groove other side is provided with oil absorbent material circle two, described to lead
Pilot seal end face seal slot is formed to one end face of seal, it is close that the pilot seal end face seal slot is internally provided with end face
Seal.
Further, the guide sleeve ontology is bolted with the end cap.
Further, the gasket is connect by card pressure mode with the guide sleeve ontology and the end cap.
Further, the pilot seal body is connected by card pressure mode with the end cap and the guide sleeve ontology
It connects.
Further, the oil absorbent material circle one and the oil absorbent material circle two and the pilot seal body are connected by card slot
It connects.
Further, the end-face seal ring is connect with the pilot seal end face seal slot by card pressure mode.
Further, the pilot seal inner hole seal groove is connect with the inner hole sealing ring by card pressure mode.
(3) beneficial effect
The utility model compared with the existing technology, has the advantages that
1, to solve traditional hydraulic cylinder after a period of operation, the temperature of hydraulic oil can be increased, and lead to sealing ring
Sealing effect the problem of reducing, the utility model can be transported by setting oil absorbent material circle one and oil absorbent material circle two in piston rod
In dynamic process, one layer of fine and close oil sealing film is formed between piston rod and inner hole sealing ring, can play good sealing
Effect；
2, to solve traditional hydraulic cylinder since the gap between piston rod and hydraulic cylinder is smaller, piston rod is caused to be transported
Lubricant effect during dynamic is poor, so that the utility model passes through setting oil storage the problem of influencing the stationarity of piston rod movement
Slot can accumulate a certain amount of hydraulic oil inside oil storage tank, lubricating action can be played in piston rod movement, be piston rod
Movement provides steady guiding, guarantees the stationarity of piston rod movement.
Detailed description of the invention
Fig. 1 is a kind of main view of the guide sleeve of hydraulic cylinder described in the utility model；
Fig. 2 is a kind of left view of the guide sleeve of hydraulic cylinder described in the utility model；
Fig. 3 is a kind of main sectional view of the guide sleeve of hydraulic cylinder described in the utility model.
The reference numerals are as follows:
1, guide sleeve ontology；2, guide sleeve outer circle seal groove；3, mounting flange；4, mounting hole；5, guide sleeve end face seal
Slot；6, pilot hole；7, oil storage tank；8, pilot seal body；9, gasket；10, end cap；11, oil absorbent material circle one；12, oil absorbent material circle two；
13, pilot seal inner hole seal groove；14, inner hole sealing ring；15, pilot seal end face seal slot；16, end-face seal ring.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1-Figure 3, a kind of guide sleeve of hydraulic cylinder, including guide sleeve ontology 1, mounting flange 3, pilot seal
Body 8 and end cap 10,1 one end of guide sleeve ontology form mounting flange 3, and mounting hole 4, mounting flange 3 are formed on mounting flange 3
It is used to install with mounting hole 4 to fix this guide sleeve, 4 side of mounting hole is provided with guide sleeve end face seal slot 5, guide sleeve ontology 1
It is provided with guide sleeve outer circle seal groove 2 on lateral wall, pilot hole 6 is formed inside guide sleeve ontology 1, pilot hole 6 is hydraulic oil
The movement of cylinder interior piston rod provides guiding, is provided with oil storage tank 7 on pilot hole 6, oil storage tank 7 can store a certain amount of hydraulic
Oil plays the effect of lubrication, it is ensured that the stationarity of piston rod movement, 7 side of oil storage tank are provided with pilot seal body 8, are oriented to close
Envelope 8 side of body is provided with end cap 10, is provided with gasket 9 between end cap 10 and guide sleeve ontology 1, on 8 inner wall of pilot seal body at
Type has pilot seal inner hole seal groove 13, and pilot seal inner hole seal groove 13 is internally provided with inner hole sealing ring 14, pilot seal
13 side of inner hole seal groove is provided with oil absorbent material circle 1, and 13 other side of pilot seal inner hole seal groove is provided with oil absorbent material circle two
12, oil absorbent material circle 1 and oil absorbent material circle 2 12 can adsorb a certain amount of hydraulic oil, can be in the course of work of hydraulic cylinder
In, one layer of fine and close oil sealing film is formed inside inner hole sealing ring 14, can not only play the effect of lubrication, while can be with
Play the role of sealing, 8 one end face of pilot seal body forms pilot seal end face seal slot 15, pilot seal end face seal slot
15 are internally provided with end-face seal ring 16, and end-face seal ring 16 and inner hole sealing ring 14 play the role of sealing.
Wherein, guide sleeve ontology 1 is bolted with end cap 10, and gasket 9 and guide sleeve ontology 1 and end cap 10 are logical
It crosses card pressure mode to connect, pilot seal body 8 is connect by card pressure mode with end cap 10 and guide sleeve ontology 1, oil absorbent material circle
1 and oil absorbent material circle 2 12 connect by card slot with pilot seal body 8, end-face seal ring 16 and pilot seal end face are close
Sealing groove 15 is connected by card pressure mode, and pilot seal inner hole seal groove 13 is connect with inner hole sealing ring 14 by card pressure mode.
A kind of working principle of the guide sleeve for hydraulic cylinder that the utility model is mentioned: this hydraulic cylinder guide sleeve is pacified
Dress is fixed on inside hydraulic cylinder, by mounting flange 3 and mounting hole 4 that this guide sleeve is fixed tight, then passes through piston rod
Pilot hole 6 is sequentially completed the installation and debugging work to hydraulic cylinder, the oil absorbent material circle 1 of 14 two sides of inner hole sealing ring and suction
Oily cotton circle 2 12 can adsorb a certain amount of hydraulic oil, can be in the course of work of hydraulic cylinder, in inner hole sealing ring 14
Portion forms one layer of fine and close oil sealing film, can not only play the role of the effect of lubrication, while can play sealing, guide sleeve
Oil storage tank 7 inside ontology 1 can accumulate a certain amount of hydraulic oil, further function as the effect of lubrication, it is ensured that piston rod movement
Stationarity, pass through the sealing effect of the adjustable end-face seal ring 16 of gasket 9.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, it is all described in the claims.
Claims (7)
1. a kind of guide sleeve of hydraulic cylinder, it is characterised in that: including guide sleeve ontology (1), mounting flange (3), pilot seal
Body (8) and end cap (10), described guide sleeve ontology (1) one end forms the mounting flange (3), on the mounting flange (3)
It forms mounting hole (4), mounting hole (4) side is provided with guide sleeve end face seal slot (5), the guide sleeve ontology (1)
It is provided with guide sleeve outer circle seal groove (2) on lateral wall, is formed pilot hole (6) inside the guide sleeve ontology (1), it is described to lead
It is provided on hole (6) oil storage tank (7), oil storage tank (7) side is provided with the pilot seal body (8), and the guiding is close
Envelope body (8) side is provided with the end cap (10), is provided with gasket between the end cap (10) and the guide sleeve ontology (1)
(9), pilot seal inner hole seal groove (13), the pilot seal inner hole sealing are formed on pilot seal body (8) inner wall
Slot (13) is internally provided with inner hole sealing ring (14), and pilot seal inner hole seal groove (13) side is provided with oil absorbent material circle one
(11), pilot seal inner hole seal groove (13) other side is provided with oil absorbent material circle two (12), the pilot seal body (8) one
End face forms pilot seal end face seal slot (15), and the pilot seal end face seal slot (15) is internally provided with end face seal
It encloses (16).
2. a kind of guide sleeve of hydraulic cylinder according to claim 1, it is characterised in that: the guide sleeve ontology (1) with
The end cap (10) is bolted.
3. a kind of guide sleeve of hydraulic cylinder according to claim 1, it is characterised in that: the gasket (9) is led with described
It is connected to set ontology (1) and the end cap (10) by card pressure mode.
4. a kind of guide sleeve of hydraulic cylinder according to claim 1, it is characterised in that: the pilot seal body (8) with
The end cap (10) and the guide sleeve ontology (1) are connected by card pressure mode.
5. a kind of guide sleeve of hydraulic cylinder according to claim 1, it is characterised in that: the oil absorbent material circle one (11) with
And the oil absorbent material circle two (12) is connect by card slot with the pilot seal body (8).
6. a kind of guide sleeve of hydraulic cylinder according to claim 1, it is characterised in that: the end-face seal ring (16) with
The pilot seal end face seal slot (15) is connected by card pressure mode.
7. a kind of guide sleeve of hydraulic cylinder according to claim 1, it is characterised in that: the pilot seal inner hole sealing
Slot (13) is connect with the inner hole sealing ring (14) by card pressure mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016267.6U CN209244972U (en) | 2018-11-21 | 2018-11-21 | A kind of guide sleeve of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016267.6U CN209244972U (en) | 2018-11-21 | 2018-11-21 | A kind of guide sleeve of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209244972U true CN209244972U (en) | 2019-08-13 |
Family
ID=67531224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822016267.6U Expired - Fee Related CN209244972U (en) | 2018-11-21 | 2018-11-21 | A kind of guide sleeve of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209244972U (en) |
-
2018
- 2018-11-21 CN CN201822016267.6U patent/CN209244972U/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: 20190813 Termination date: 20211121 |