CN217976800U - Oil leakage prevention shell for electro-hydraulic servo valve - Google Patents
Oil leakage prevention shell for electro-hydraulic servo valve Download PDFInfo
- Publication number
- CN217976800U CN217976800U CN202221775782.2U CN202221775782U CN217976800U CN 217976800 U CN217976800 U CN 217976800U CN 202221775782 U CN202221775782 U CN 202221775782U CN 217976800 U CN217976800 U CN 217976800U
- Authority
- CN
- China
- Prior art keywords
- fixing
- electro
- servo valve
- hydraulic servo
- ring
- 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
Images
Landscapes
- Servomotors (AREA)
Abstract
The utility model relates to an electro-hydraulic servo valve technical field, in particular to an oil leakage prevention shell for an electro-hydraulic servo valve, wherein a high-pressure oil port is arranged on the electro-hydraulic servo valve shell, a fixing piece is fixedly connected to the electro-hydraulic servo valve shell, the fixing piece is positioned outside the high-pressure oil port, and a first sealing mechanism is fixedly connected to the fixing piece; first sealing mechanism includes solid fixed ring of second, standing groove and first sealing washer, and second fixed ring fixed connection mounting, the standing groove is seted up to the solid fixed ring of second on, first sealing washer sets up on the standing groove. The utility model discloses a first sealing washer sets up on the standing groove, and oil pipe's tip extrudees first sealing washer, first sealing washer closely with oil pipe's tip contact, first sealing washer seals the gap between sealed oil pipe and the high-pressure hydraulic fluid port outer wall for oil can not expose from the gap between oil pipe and the high-pressure hydraulic fluid port outer wall, improves the leak protection performance of electro-hydraulic servo valve case, is difficult for the oil leak.
Description
Technical Field
The utility model relates to an electro-hydraulic servo valve technical field especially relates to an oil leakage prevention casing for electro-hydraulic servo valve.
Background
The electro-hydraulic servo valve is a key element in electro-hydraulic servo control, and is a hydraulic control valve which correspondingly outputs modulated flow and pressure after receiving an analog electric signal. The electro-hydraulic servo valve is provided with a high-pressure oil port and a low-pressure oil port, the high-pressure oil port and the low-pressure oil port are connected through an oil pipe, in the prior art, when the high-pressure oil port is connected through the oil pipe, oil is easily exposed from a gap between the oil pipe and the high-pressure oil port, and the anti-leakage effect of the electro-hydraulic servo valve shell is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the oil that exists among the prior art and exposing from the gap between oil pipe and the high-pressure oil port easily, the relatively poor shortcoming of leak protection effect of electro-hydraulic servo valve casing, and the leak protection oil casing who is used for electro-hydraulic servo valve who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design one kind is used for the oil leakage prevention casing of the electrohydraulic servo valve, including the electrohydraulic servo valve casing, the high pressure oil port, the fixed part and the first sealing mechanism, wherein:
the high-pressure oil port is formed in the electro-hydraulic servo valve shell, the fixing piece is fixedly connected to the electro-hydraulic servo valve shell, the fixing piece is located on the outer side of the high-pressure oil port, and the first sealing mechanism is fixedly connected to the fixing piece;
the first sealing mechanism comprises a second fixing ring, a placing groove and a first sealing ring, the second fixing ring is fixedly connected with the fixing piece, the placing groove is formed in the second fixing ring, and the first sealing ring is arranged on the placing groove.
Preferably, the fixing piece comprises a first fixing ring and a fixing pipe, the first fixing ring is fixedly connected to the electro-hydraulic servo valve shell, the fixing pipe is fixedly connected to the first fixing ring, and the first fixing ring is fixedly connected to the second fixing ring.
Preferably, the first fixing ring and the fixing tube are of an integral structure.
Preferably, still include second sealing mechanism, second sealing mechanism includes mount, fixing bolt and second sealing washer, the mount peg graft extremely on the mounting, fixing bolt sets up on the mount, fixing bolt connects the mounting, second sealing washer fixed connection to on the mount, the second sealing washer with the solid fixed ring of second contacts.
Preferably, the second sealing ring is fixedly connected with a protruding strip, the second fixing ring is provided with a groove, and the groove is matched with the protruding strip.
The utility model provides a leak protection oil casing for electro-hydraulic servo valve, beneficial effect lies in:
through first sealing washer setting on the standing groove, the first sealing washer of tip extrusion of oil pipe, first sealing washer closely with oil pipe's tip contact, first sealing washer seals the gap between sealed oil pipe and the high-pressure hydraulic fluid port outer wall for oil can not expose from the gap between oil pipe and the high-pressure hydraulic fluid port outer wall, improves the leak protection performance of electricity liquid servo valve case, difficult oil leak.
Drawings
Fig. 1 is a schematic structural view of an oil leakage preventing casing for an electro-hydraulic servo valve according to the present invention;
fig. 2 is a schematic cross-sectional view of an oil leakage preventing casing for an electro-hydraulic servo valve according to the present invention;
fig. 3 is a schematic structural diagram of a first sealing mechanism in an oil leakage preventing housing for an electro-hydraulic servo valve according to the present invention.
In the figure: the hydraulic servo valve comprises an electro-hydraulic servo valve shell 1, a high-pressure oil port 2, a fixing piece 3, a first sealing mechanism 4, a second sealing mechanism 5, a first fixing ring 31, a fixing pipe 32, a second fixing ring 41, a placing groove 42, a first sealing ring 43, a fixing frame 51, a fixing bolt 52, a second sealing ring 53 and a protruding strip 54.
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.
Example 1
Referring to fig. 1-3, an oil leakage prevention casing for an electro-hydraulic servo valve comprises an electro-hydraulic servo valve casing 1, a high-pressure oil port 2, a fixing member 3 and a first sealing mechanism 4, wherein:
the high-pressure oil port 2 is formed in the electro-hydraulic servo valve shell 1, the high-pressure oil port 2 is used for being connected with an oil pipe, the fixing piece 3 is fixedly connected to the electro-hydraulic servo valve shell 1, the fixing piece 3 is used for installing the first sealing mechanism 4, the fixing piece 3 is located on the outer side of the high-pressure oil port 2, the first sealing mechanism 4 is fixedly connected to the fixing piece 3, and the first sealing mechanism 4 is used for sealing a gap between the oil pipe and the outer wall of the high-pressure oil port 2;
the first sealing mechanism 4 comprises a second fixing ring 41, a placing groove 42 and a first sealing ring 43, the second fixing ring 41 is fixedly connected with the fixing piece 3, the placing groove 42 is formed in the second fixing ring 41, the placing groove 42 is used for installing the first sealing ring 43, the first sealing ring 43 is arranged on the placing groove 42, and the first sealing ring 43 is used for sealing a gap between the outer wall of the oil pipe and the outer wall of the high-pressure oil port 2.
The working process is as follows: oil pipe threaded connection is on high-pressure oil port 2, and first sealing washer 43 is extruded to oil pipe's tip, and first sealing washer 43 is pressed the back and produces elasticity, and first sealing washer 43 closely contacts with oil pipe's tip, and first sealing washer 43 seals the gap between sealed oil pipe and the 2 outer walls of high-pressure oil port for oil can not expose from the gap between oil pipe and the 2 outer walls of high-pressure oil port, improves the leak protection performance of electro-hydraulic servo valve case 1, difficult oil leak.
Example 2
Referring to fig. 1 to 3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the fixing member 3 includes a first fixing ring 31 and a fixing tube 32, the first fixing ring 31 is fixedly connected to the electro-hydraulic servo valve housing 1, the first fixing ring 31 is used for connecting the fixing tube 32, the fixing tube 32 is fixedly connected to the first fixing ring 31, the first fixing ring 31 is fixedly connected to the second fixing ring 41, and the first fixing ring 31 and the fixing tube 32 are of an integral structure.
Example 3
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in further including a second sealing mechanism 5, the second sealing mechanism 5 includes a fixing frame 51, a fixing bolt 52 and a second sealing ring 53, the fixing frame 51 is inserted into the fixing member 3, the fixing frame 51 is used for fixing the second sealing ring 53, the fixing bolt 52 is disposed on the fixing frame 51, the fixing bolt 52 is used for fixing the fixing frame 51, the fixing bolt 52 is connected to the fixing member 3, the second sealing ring 53 is fixedly connected to the fixing frame 51, the second sealing ring 53 is used for sealing a gap between the fixing frame 51 and the second fixing ring 41, the second sealing ring 53 is in contact with the second fixing ring 41, a protruding strip 54 is fixedly connected to the second sealing ring 53, a groove is formed in the second fixing ring 41, and the groove is matched with the protruding strip 54.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an oil leak protection casing for electro-hydraulic servo valve which characterized in that, includes electro-hydraulic servo valve casing (1), high-pressure oil port (2), mounting (3) and first sealing mechanism (4), wherein:
the high-pressure oil port (2) is formed in the electro-hydraulic servo valve shell (1), the fixing piece (3) is fixedly connected to the electro-hydraulic servo valve shell (1), the fixing piece (3) is located on the outer side of the high-pressure oil port (2), and the first sealing mechanism (4) is fixedly connected to the fixing piece (3);
the first sealing mechanism (4) comprises a second fixing ring (41), a placing groove (42) and a first sealing ring (43), the second fixing ring (41) is fixedly connected with the fixing piece (3), the placing groove (42) is formed in the second fixing ring (41), and the first sealing ring (43) is arranged on the placing groove (42).
2. The oil leakage prevention housing for an electro-hydraulic servo valve according to claim 1, wherein the fixing member (3) comprises a first fixing ring (31) and a fixing tube (32), the first fixing ring (31) is fixedly connected to the electro-hydraulic servo valve housing (1), the fixing tube (32) is fixedly connected to the first fixing ring (31), and the first fixing ring (31) is fixedly connected to the second fixing ring (41).
3. The oil leakage prevention housing for an electro-hydraulic servo valve according to claim 2, wherein the first fixing ring (31) and the fixing tube (32) are an integral structure.
4. The oil leakage prevention housing for the electro-hydraulic servo valve according to claim 1, further comprising a second sealing mechanism (5), wherein the second sealing mechanism (5) comprises a fixing frame (51), a fixing bolt (52) and a second sealing ring (53), the fixing frame (51) is inserted into the fixing member (3), the fixing bolt (52) is disposed on the fixing frame (51), the fixing bolt (52) is connected with the fixing member (3), the second sealing ring (53) is fixedly connected to the fixing frame (51), and the second sealing ring (53) is in contact with the second fixing ring (41).
5. An oil leakage prevention casing for an electro-hydraulic servo valve as claimed in claim 4, wherein a protruding strip (54) is fixedly connected to the second sealing ring (53), and a groove is formed in the second fixing ring (41) and is matched with the protruding strip (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221775782.2U CN217976800U (en) | 2022-07-11 | 2022-07-11 | Oil leakage prevention shell for electro-hydraulic servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221775782.2U CN217976800U (en) | 2022-07-11 | 2022-07-11 | Oil leakage prevention shell for electro-hydraulic servo valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217976800U true CN217976800U (en) | 2022-12-06 |
Family
ID=84278210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221775782.2U Active CN217976800U (en) | 2022-07-11 | 2022-07-11 | Oil leakage prevention shell for electro-hydraulic servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217976800U (en) |
-
2022
- 2022-07-11 CN CN202221775782.2U patent/CN217976800U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215762163U (en) | Leakage alarm structure for breakage of diaphragm of pneumatic diaphragm pump | |
| CN217976800U (en) | Oil leakage prevention shell for electro-hydraulic servo valve | |
| CN110030450A (en) | One kind can monitor Liquid connector | |
| CN201535238U (en) | Pump head of positive displacement pump | |
| CN204140344U (en) | A kind of sealing configuration of diaphragm pump | |
| CN210950304U (en) | Sealing structure of connecting pipe | |
| CN215720810U (en) | Shaft sealing structure capable of detecting leakage | |
| CN212358373U (en) | Municipal administration utility tunnel's waterproof construction | |
| CN210950303U (en) | Sealing structure of connecting pipe | |
| CN201449311U (en) | Steel tube sealing device | |
| CN210015821U (en) | High-sensitivity hydraulic switch connector | |
| CN209990624U (en) | Flange for shale gas exploitation plunger pump | |
| CN210106829U (en) | Can monitor liquid connector | |
| CN210769627U (en) | Single-rod piston type hydraulic cylinder | |
| CN210343569U (en) | Sealing structure for telescopic joint of water turbine | |
| CN217481520U (en) | Novel booster pump for high-pressure liquid cabinet | |
| CN212407548U (en) | One-way valve sealing rubber part | |
| CN218914520U (en) | Oil pump with antiseep effect | |
| CN216618524U (en) | Oil inlet and outlet sealing structure for hydraulic pump | |
| CN212717962U (en) | Water leakage prevention O-shaped ring of air extraction valve operating seat | |
| CN210397225U (en) | Hydraulic shaft seal part | |
| CN220416217U (en) | Spring-free rubber plug sealing ring | |
| CN217539597U (en) | Double-contact-surface pressure-resistant sealing ring | |
| CN216144454U (en) | Micro differential pressure transmitter air inlet structure and micro differential pressure transmitter | |
| CN212959781U (en) | Sealing structure of loader hydraulic pump and gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |