CN202500850U - Rear-mounted oil cylinder lockup valve device - Google Patents
Rear-mounted oil cylinder lockup valve device Download PDFInfo
- Publication number
- CN202500850U CN202500850U CN2012201082081U CN201220108208U CN202500850U CN 202500850 U CN202500850 U CN 202500850U CN 2012201082081 U CN2012201082081 U CN 2012201082081U CN 201220108208 U CN201220108208 U CN 201220108208U CN 202500850 U CN202500850 U CN 202500850U
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- CN
- China
- Prior art keywords
- hydraulic fluid
- fluid port
- pilot operated
- valve seat
- operated check
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- Expired - Lifetime
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Abstract
The utility model relates to a rear-mounted oil cylinder lockup valve device. A guide frame passes through a cylinder head to connect with a piston. An inner hole of the guide frame is fixed with a valve seat which is provided with an external oil path and an internal oil path along an axial direction. A side face of the valve seat is provided with an external oil port and an internal oil port. An upper bottom surface of the valve seat and an upper bottom surface of the guide frame are provided with a through upper oil port which is communicated with a bracketed cavity and the external oil path. A lower bottom surface of the valve seat and a lower bottom surface of the guide frame are provided with a through lower oil port which is communicated with a non-bracket cavity and the internal oil path. A first liquid control one-way valve faces the upper oil port which forms a pipeline with the external oil path through the first liquid control one-way valve. A control oil path of the first liquid control one-way valve is connected with the internal oil path. A second liquid control one-way valve faces the lower oil port which forms a pipeline with the internal oil path through the second liquid control one-way valve. A control oil path of the second liquid control one-way valve is connected with the external oil path. The device is simple in structure and is installed in the guide frame, space is not occupied, strength is not influenced, a structure is simplified, and reliability is increased.
Description
Technical field
The utility model relates to a kind of rear-mounted oil cylinder lock valve device.
Background technique
Unstable in order to prevent tuning for Controllable Pitch Propeller angle of pitch when working, generally all be provided with steady spacing mechanism, be installed on oil distributing shaft or the distance adjustor, steady spacing mechanism is made up of hydraulic lock or other similar means.If be installed on the axle, then need mill out an attachment face, can reduce the intensity of axle system, also influential to the torsional oscillation of axle system.If be installed in other position, on hydraulic oil container, also need pipeline connection, increase joint and oil pipe, processing, installation inconvenience have increased cost.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that existing technology exists, and a kind of rear-mounted oil cylinder lock valve device is provided.
The purpose of the utility model realizes through following technological scheme:
Rear-mounted oil cylinder lock valve device, cylinder cap connects the cavity that cylinder barrel forms sealing, and piston places the cavity of cylinder barrel; Characteristics are: saddle passes cylinder cap and is connected with piston, is fixed with valve seat in the endoporus of saddle, is provided with outer oil duct and internal oil channel in the valve seat vertically; The side of valve seat is provided with outer hydraulic fluid port that communicates with outer oil duct and the interior hydraulic fluid port that communicates with internal oil channel; The upper bottom surface of valve seat and the upper bottom surface of saddle are provided with the last hydraulic fluid port that connects, and last hydraulic fluid port is connected with frame chamber and outer oil duct are arranged, and the bottom surface of valve seat and the bottom surface of saddle are provided with the following hydraulic fluid port that connects; Following hydraulic fluid port is connected with no frame chamber and internal oil channel; Radially be provided with first Pilot operated check valve and second Pilot operated check valve outside between oil duct and the internal oil channel, first Pilot operated check valve is relative with last hydraulic fluid port, and last hydraulic fluid port forms pipeline through first Pilot operated check valve and outer oil duct; The control oil channel of first Pilot operated check valve links to each other with internal oil channel; Second Pilot operated check valve is relative with following hydraulic fluid port, and following hydraulic fluid port forms pipeline through second Pilot operated check valve and internal oil channel, and the control oil channel of second Pilot operated check valve links to each other with outer oil duct.
Further, above-mentioned rear-mounted oil cylinder lock valve device, wherein, the valve seat periphery that cooperates with saddle is provided with groove, places seal ring in the groove.
Further, above-mentioned rear-mounted oil cylinder lock valve device, wherein, the outer hydraulic fluid port of said valve seat side and interior hydraulic fluid port adopt tubular type Placement and peripheral hardware pipeline connection respectively.
Substantive distinguishing features and obvious improvement that the utility model technological scheme is outstanding are mainly reflected in:
The rear-mounted oil cylinder lock valve of the utility model device adopts and the hydraulic lock principle of similitude, and its structure is simpler, is installed in saddle inside, does not take up room, and does not influence intensity, simplifies the structure, and has increased reliability.The saddle rear end is near cylinder cap, and dismounting is very convenient, is applicable to model tuning for Controllable Pitch Propeller propeller hub assemblies such as 72KS～79KS.
Description of drawings
Below in conjunction with accompanying drawing the utility model technological scheme is described further:
Fig. 1: the structural representation of the utility model;
Fig. 2: the principle schematic of the utility model;
Fig. 3: the schematic representation during interior hydraulic fluid port oil-feed;
Fig. 4: the schematic representation during outer hydraulic fluid port oil-feed.
Embodiment
Like Fig. 1, shown in Figure 2, rear-mounted oil cylinder lock valve device, cylinder cap 3 connects the cavity that cylinder barrel 1 forms sealing; Piston 2 places the cavity of cylinder barrel 1, and saddle 4 passes cylinder cap 3 and is connected with piston 2, is fixed with valve seat 5 in the endoporus of saddle 4; The valve seat periphery that cooperates with saddle is provided with groove, places seal ring in the groove, is provided with outer oil duct and internal oil channel in the valve seat 5 vertically; The left surface of valve seat is provided with outer hydraulic fluid port A that communicates with outer oil duct and the interior hydraulic fluid port B that communicates with internal oil channel; Two hydraulic fluid ports of the right flank of valve seat are used first plug screw 8 and 9 shutoff of second plug screw respectively, and the outer hydraulic fluid port A and the interior hydraulic fluid port B of valve seat side adopt tubular type Placement and peripheral hardware pipeline connection respectively, and the upper bottom surface of the upper bottom surface of valve seat 5 and saddle 4 is provided with the last hydraulic fluid port C that connects; Last hydraulic fluid port C is connected with frame chamber 11 and outer oil duct are arranged; The bottom surface of the bottom surface of valve seat 5 and saddle 4 is provided with the following hydraulic fluid port D that connects, and following hydraulic fluid port D is connected with no frame chamber 10 and internal oil channel, radially is provided with first Pilot operated check valve 6 and second Pilot operated check valve 7 outside between oil duct and the internal oil channel; First Pilot operated check valve 6 is relative with last hydraulic fluid port C; Last hydraulic fluid port C forms pipeline through first Pilot operated check valve 6 and outer oil duct, and the control oil channel of first Pilot operated check valve 6 links to each other with internal oil channel, and second Pilot operated check valve 7 is relative with following hydraulic fluid port D; Following hydraulic fluid port D forms pipeline through second Pilot operated check valve 7 and internal oil channel, and the control oil channel of second Pilot operated check valve 7 links to each other with outer oil duct.
During concrete the application, as shown in Figure 3, pressure oil gets into the internal oil channel from the interior hydraulic fluid port B of valve seat; Get into second Pilot operated check valve 7 through oilhole, open second Pilot operated check valve 7, pressure oil warp hydraulic fluid port D down gets into no frame chamber 10; Promote piston 2 and move right vertically, pressure oil is opened first Pilot operated check valve 6 as control oil channel simultaneously, make pressure oil in the frame chamber 11 through last hydraulic fluid port C and first Pilot operated check valve 6 through outer oil duct oil return; The pressure oil oil return can not cause the piston dieback.
As shown in Figure 4, pressure oil the oil duct, gets into first Pilot operated check valve 6 through oilhole outside the outer hydraulic fluid port A entering of valve seat; Open first Pilot operated check valve 6, pressure oil gets into through last hydraulic fluid port C has frame chamber 11, promotes piston 2 vertically to left movement; Pressure oil is opened second Pilot operated check valve 7 as control oil channel simultaneously; Make the pressure oil in the no frame chamber 10 pass through the internal oil channel oil return through the following hydraulic fluid port D and second Pilot operated check valve 7, the pressure oil oil return can not cause the piston dieback.
The rear-mounted oil cylinder lock valve of the utility model device adopts and the hydraulic lock principle of similitude, and its structure is simpler, is installed in saddle inside, does not take up room, and does not influence intensity, simplifies the structure, and has increased reliability.The saddle rear end is near cylinder cap, and dismounting is very convenient, is applicable to model tuning for Controllable Pitch Propeller propeller hub assemblies such as 72KS～79KS.
What need understand is: the above only is the preferred implementation of the utility model; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (3)
1. rear-mounted oil cylinder lock valve device, cylinder cap connects the cavity that cylinder barrel forms sealing, and piston places the cavity of cylinder barrel; It is characterized in that: saddle passes cylinder cap and is connected with piston, is fixed with valve seat in the endoporus of saddle, is provided with outer oil duct and internal oil channel in the valve seat vertically; The side of valve seat is provided with outer hydraulic fluid port that communicates with outer oil duct and the interior hydraulic fluid port that communicates with internal oil channel; The upper bottom surface of valve seat and the upper bottom surface of saddle are provided with the last hydraulic fluid port that connects, and last hydraulic fluid port is connected with frame chamber and outer oil duct are arranged, and the bottom surface of valve seat and the bottom surface of saddle are provided with the following hydraulic fluid port that connects; Following hydraulic fluid port is connected with no frame chamber and internal oil channel; Radially be provided with first Pilot operated check valve and second Pilot operated check valve outside between oil duct and the internal oil channel, first Pilot operated check valve is relative with last hydraulic fluid port, and last hydraulic fluid port forms pipeline through first Pilot operated check valve and outer oil duct; The control oil channel of first Pilot operated check valve links to each other with internal oil channel; Second Pilot operated check valve is relative with following hydraulic fluid port, and following hydraulic fluid port forms pipeline through second Pilot operated check valve and internal oil channel, and the control oil channel of second Pilot operated check valve links to each other with outer oil duct.
2. rear-mounted oil cylinder lock valve device according to claim 1, it is characterized in that: the valve seat periphery that cooperates with saddle is provided with groove, places seal ring in the groove.
3. rear-mounted oil cylinder lock valve device according to claim 1, it is characterized in that: the outer hydraulic fluid port of said valve seat side and interior hydraulic fluid port adopt tubular type Placement and peripheral hardware pipeline connection respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201082081U CN202500850U (en) | 2012-03-21 | 2012-03-21 | Rear-mounted oil cylinder lockup valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201082081U CN202500850U (en) | 2012-03-21 | 2012-03-21 | Rear-mounted oil cylinder lockup valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202500850U true CN202500850U (en) | 2012-10-24 |
Family
ID=47037465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201082081U Expired - Lifetime CN202500850U (en) | 2012-03-21 | 2012-03-21 | Rear-mounted oil cylinder lockup valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202500850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536960A (en) * | 2012-03-21 | 2012-07-04 | 苏州船用动力系统股份有限公司 | Rear-mounted oil cylinder lockup valve device |
-
2012
- 2012-03-21 CN CN2012201082081U patent/CN202500850U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536960A (en) * | 2012-03-21 | 2012-07-04 | 苏州船用动力系统股份有限公司 | Rear-mounted oil cylinder lockup valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121024 |
|
| CX01 | Expiry of patent term |