CN102128291A - Damping pressure reducing valve - Google Patents
Damping pressure reducing valve Download PDFInfo
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- CN102128291A CN102128291A CN 201110080925 CN201110080925A CN102128291A CN 102128291 A CN102128291 A CN 102128291A CN 201110080925 CN201110080925 CN 201110080925 CN 201110080925 A CN201110080925 A CN 201110080925A CN 102128291 A CN102128291 A CN 102128291A
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- pressure
- relief
- vibration damping
- reducing valve
- valve seat
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Abstract
The invention discloses a damping pressure reducing valve, comprising a pressure reducing valve body, a pressure plug, a damping pressure reducing valve core, a pressure reducing valve seat, a pressure-reducing sealing ring and a pressuring-reducing spring device, wherein the pressure reducing valve body is provided with a pressure reducing hole, the damping pressure reducing valve core is arranged in the pressure reducing hole and can move along the axial direction of the pressure reducing hole, an annular slot is arranged in the pressure reducing hole and is internally provided with the pressure-reducing sealing ring, one end of the damping pressure reducing valve core is provided with a cylindrical shaft section which is matched with the pressure reducing valve body and the pressure-reducing sealing ring to form dynamic seal, and the cylindrical shaft section is connected with the pressure-reducing spring device for applying pressure to the cylindrical shaft section; the pressure reducing valve seat is arranged between the damping pressure reducing valve core and the pressure reducing valve body and is tightly pressed on the pressure reducing valve body through the pressure plug to form static seal between the pressure reducing valve seat and the pressure reducing valve body; and the other end of the damping pressure reducing core is provided with a cone frustum section with a conical face facing to the direction of the pressure reducing valve seat, a damping cylindrical shaft section is arranged on a part adjacent to one side of the conical face towards the pressure reducing valve seat, and a contact circle between the conical face of the damping pressure reducing valve core and the pressure reducing valve seat as well as the damping cylindrical shaft section adjacent to the conical face and an inner hole of the pressure reducing valve seat form a throttling damping pressure-reducing switch valve port.
Description
Technical field
The invention belongs to the hydraulic system control device technical field, particularly a kind of vibration damping reduction valve that is used for colliery water and emulsifiable solution medium.
Background technique
Prior art is not fit to the vibration damping reduction valve of colliery water and emulsifiable solution medium.Coal mine hydraulic supporting is a working medium with the emulsified liquid, at crossheading emulsion power pack is set, and the working pressure of using 31.5 is to 37.5MPa now.The emulsified liquid preparation needs steady pressure water, and the crossheading belt conveyer needs hydraulic tensioning, working surface flight conveyer chain needs hydraulic tensioning, its hydraulic couplers needs steady pressure water, coal winning machine, flight conveyer, transloader need steady pressure water cooling or the like, the emulsified liquid that provides to them now, the pressure of water all are higher than their needs, and pressure surge is very big, and they need a kind ofly be exported the definite value that reduces pressure, be subjected to it to come the hydraulic pressure installation that the hydraulic coupling variable effect is very little, export steady pressure.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of delivery pressure stable serial vibration damping reduction valve, imported to it by hydraulic support emulsion power pack or water system, by the decompression of its vibration damping, exports to low-voltage customer.Its delivery pressure is adjusted according to the different user needs.According to user's request pressure and flow, type selecting in serial vibration damping reduction valve.
The technological scheme that technical solution problem of the present invention adopts provide a kind of serial vibration damping reduction valve basic structure and with the vibration damping reduction valve basic structure of the band filtrating equipment of this vibration damping reduction valve be combined into.
The basic structure of series vibration damping reduction valve, comprise reducing valve body, press stifled, the vibration damping relief pressure valve cartridge, Pressure relief valve seat, the reduced pressure sealing circle, the relief spring device, described reducing valve body has vent, described vibration damping relief pressure valve cartridge is installed in the described vent and can moving axially along described vent, be provided with circular groove in the described vent, the reduced pressure sealing circle is set in the described circular groove, one end of described vibration damping relief pressure valve cartridge has cylindrical shaft part, described cylindrical shaft part cooperates the formation motive sealing with described reducing valve body and described reduced pressure sealing circle, described cylindrical shaft part is connected with the relief spring device that it is exerted pressure; Be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat forms the static seal between Pressure relief valve seat and the reducing valve body by pressing stifled being pressed on the reducing valve body; The other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the conical surface of described vibration damping relief pressure valve cartridge contacts cylindrical shaft part of vibration damping and Pressure relief valve seat endoporus round and that conical surface adjoins and forms throttling vibration damping relief cock valve port with Pressure relief valve seat, conical surface is all identical with cylindrical shaft part motive sealing diameter with Pressure relief valve seat contact circular diameter, the cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore.
The relief spring device of this vibration damping reduction valve comprises relief spring seat, relief spring, relief spring tube, decompression voltage regulation screw.Relief spring seat, relief spring and decompression voltage regulation screw are successively set in the relief spring tube.The cylindrical shaft part of vibration damping relief pressure valve cartridge connects the relief spring seat, and the vibration damping relief pressure valve cartridge is subjected to the size of relief spring active force and is set up by the decompression voltage regulation screw.
The reducing valve body of this vibration damping reduction valve has liquid entering hole A, the hyperbaric chamber D that liquid entering hole A becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with, this reducing valve body also has liquid outlet B, liquid outlet B and Pressure relief valve seat, presses low-pressure cavity E stifled and that reducing valve body surrounds to be communicated with.
Basic structure with the vibration damping reduction valve of the band filtrating equipment of this serial vibration damping reduction valve be combined into,, vibration damping relief pressure valve cartridge stifled, Pressure relief valve seat, reduced pressure sealing circle, the relief spring device, also contain vibration damping relief valve body, the filtrating equipment of being with filtrating equipment except that the pressure that contains the vibration damping reduction valve.The vibration damping relief valve body that has filtrating equipment, has vent, described vibration damping relief pressure valve cartridge is installed in the described vent and can moving axially along described vent, be provided with circular groove in the described vent, the reduced pressure sealing circle is set in the described circular groove, one end of described vibration damping relief pressure valve cartridge has cylindrical shaft part, and described cylindrical shaft part cooperates the formation motive sealing with described reducing valve body and described reduced pressure sealing circle, and described cylindrical shaft part is connected with the relief spring device that it is exerted pressure; Be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat forms the static seal between Pressure relief valve seat and the reducing valve body by pressing stifled being pressed on the reducing valve body; The other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the conical surface of described vibration damping relief pressure valve cartridge contacts cylindrical shaft part of vibration damping and Pressure relief valve seat endoporus round and that conical surface adjoins and forms throttling vibration damping relief cock valve port with Pressure relief valve seat, conical surface is all identical with cylindrical shaft part motive sealing diameter with Pressure relief valve seat contact circular diameter, the cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore.The filtering pressure reducing valve body also has filtering hole, and filtrating equipment is installed in the hole.
The vibration damping relief valve body of this band filtrating equipment has liquid entering hole C, the device back is to feed pathway F after filtration, the hyperbaric chamber D that feed pathway F becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with, the vibration damping relief valve body of this band filtrating equipment also has liquid outlet B, and liquid outlet B and Pressure relief valve seat, the low-pressure cavity E that presses vibration damping relief valve body stifled and the band filtrating equipment to surround are communicated with.
The vibration damping reduction valve of vibration damping reduction valve and band filtrating equipment is characterised in that, be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat forms the static seal between Pressure relief valve seat and the reducing valve body by pressing stifled being pressed on the reducing valve body; The other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the conical surface of described vibration damping relief pressure valve cartridge contacts cylindrical shaft part of vibration damping and Pressure relief valve seat endoporus round and that conical surface adjoins and forms throttling vibration damping relief cock valve port with Pressure relief valve seat, conical surface is all identical with cylindrical shaft part motive sealing diameter with Pressure relief valve seat contact circular diameter, the cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore.This feature can guarantee the influence that the delivery pressure of the vibration damping reduction valve of vibration damping reduction valve and band filtrating equipment is not changed by incoming pressure, guarantees the steady and stable of delivery pressure.
The working principle of vibration damping reduction valve of vibration damping reduction valve of the present invention and band filtrating equipment is: the power that affacts the vibration damping relief pressure valve cartridge when relief spring is less than the hydraulic pressure of liquid outlet B during to the power of vibration damping relief pressure valve cartridge, vibration damping relief pressure valve cartridge and Pressure relief valve seat contact seal, this reduction valve is in the state of pass.Adjust the power that relief spring affacts the vibration damping relief pressure valve cartridge with the decompression voltage regulation screw, the hydraulic pressure that makes liquid outlet B is this vibration damping reduction valve or the vibration damping reduction valve setting delivery pressure of being with filtrating equipment when certain value no longer raises.This moment, the power of relief spring was to set up the spring force of delivery pressure.When the hydraulic pressure of liquid outlet B reduces, its power that affacts the vibration damping relief pressure valve cartridge when setting up the spring force of delivery pressure, the vibration damping reduction valve output liquid of this vibration damping reduction valve or band filtrating equipment.And the hydraulic pressure of liquid outlet B is big more less than the difference of the spring force of setting up delivery pressure to the power of damping vibration damping relief pressure valve cartridge, and opening is big more between vibration damping relief pressure valve cartridge and Pressure relief valve seat, and output flow is big more.
Realize that concrete technological scheme of the present invention is:
A kind of vibration damping reduction valve, comprise reducing valve body, press stifled, the vibration damping relief pressure valve cartridge, Pressure relief valve seat, the reduced pressure sealing circle, the relief spring device, described reducing valve body has vent, described vibration damping relief pressure valve cartridge is installed in the described vent and can moving axially along described vent, be provided with circular groove in the described vent, the reduced pressure sealing circle is set in the described circular groove, one end of described vibration damping relief pressure valve cartridge has cylindrical shaft part, described cylindrical shaft part cooperates the formation motive sealing with described reducing valve body and described reduced pressure sealing circle, described cylindrical shaft part is connected with the relief spring device that it is exerted pressure; Be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat forms the static seal between Pressure relief valve seat and the reducing valve body by pressing stifled being pressed on the reducing valve body; The other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the conical surface of described vibration damping relief pressure valve cartridge contacts cylindrical shaft part of vibration damping and Pressure relief valve seat endoporus round and that conical surface adjoins and forms throttling vibration damping relief cock valve port with Pressure relief valve seat, conical surface is all identical with cylindrical shaft part motive sealing diameter with Pressure relief valve seat contact circular diameter, the cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore.
Wherein said relief spring device comprises relief spring seat, relief spring, relief spring tube, decompression voltage regulation screw, relief spring seat, relief spring and decompression voltage regulation screw are successively set in the relief spring tube, the cylindrical shaft part of vibration damping relief pressure valve cartridge connects the relief spring seat, and the vibration damping relief pressure valve cartridge is subjected to the size of relief spring active force and is set up by the decompression voltage regulation screw of the relief spring tube that is threaded.
Wherein said valve body has liquid entering hole A, and the hyperbaric chamber D that liquid entering hole A becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with; Described valve body also has liquid outlet B, liquid outlet B and Pressure relief valve seat, presses low-pressure cavity E stifled and that reducing valve body surrounds to be communicated with.
Basic structure with the vibration damping reduction valve of the band filtrating equipment of this serial vibration damping reduction valve be combined into,, vibration damping relief pressure valve cartridge stifled, Pressure relief valve seat, reduced pressure sealing circle, the relief spring device, also contain vibration damping relief valve body, the filtrating equipment of being with filtrating equipment except that the pressure that contains the vibration damping reduction valve.The vibration damping relief valve body that has filtrating equipment, has vent, described vibration damping relief pressure valve cartridge is installed in the described vent and can moving axially along described vent, be provided with circular groove in the described vent, the reduced pressure sealing circle is set in the described circular groove, one end of described vibration damping relief pressure valve cartridge has cylindrical shaft part, and described cylindrical shaft part cooperates the formation motive sealing with described reducing valve body and described reduced pressure sealing circle, and described cylindrical shaft part is connected with the relief spring device that it is exerted pressure; Be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat forms the static seal between Pressure relief valve seat and the reducing valve body by pressing stifled being pressed on the reducing valve body; The other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the conical surface of described vibration damping relief pressure valve cartridge contacts with Pressure relief valve seat and forms the contact circle, this contact garden, cooperating between the cylindrical shaft part of the vibration damping that conical surface adjoins and the Pressure relief valve seat endoporus, both are in conjunction with forming throttling vibration damping relief cock valve port, and conical surface contacts circular diameter with Pressure relief valve seat, cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore are all identical with cylindrical shaft part motive sealing diameter.The vibration damping relief valve body of band filtrating equipment also has filtering hole, and filtrating equipment is installed in the hole.
Wherein said relief spring device comprises relief spring seat, relief spring, relief spring tube, decompression voltage regulation screw, relief spring seat, relief spring and decompression voltage regulation screw are successively set in the relief spring tube, the cylindrical shaft part of vibration damping relief pressure valve cartridge connects the relief spring seat, and the vibration damping relief pressure valve cartridge is subjected to the size of relief spring active force and is set up by the decompression voltage regulation screw of the relief spring tube that is threaded.
Wherein said filtrating equipment comprises skeleton, filter core, filter cylinder, upper cover, and described filter cylinder one end connects valve body, and the other end is compressed by the upper cover sealing, is provided with filter core in the filter cylinder, and filter core inside is provided with skeleton.
The vibration damping relief valve body of this band filtrating equipment has liquid entering hole C, the device back is to feed pathway F after filtration, the hyperbaric chamber D that feed pathway F becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with, the vibration damping relief valve body of this band filtrating equipment also has liquid outlet B, and liquid outlet B and Pressure relief valve seat, the low-pressure cavity E that presses vibration damping relief valve body stifled and the band filtrating equipment to surround are communicated with
Description of drawings
Fig. 1 is the structural drawing of vibration damping reduction valve of the present invention;
Fig. 2 is the structural drawing of the vibration damping reduction valve of band filtrating equipment of the present invention;
Among the figure: 1-reducing valve body, 2-are pressed stifled, 3-vibration damping relief pressure valve cartridge, 4-Pressure relief valve seat, 5-reduced pressure sealing circle, 6-relief spring base device, 6-1-relief spring seat, 6-2-relief spring, 6-3-relief spring tube, 6-4-decompression voltage regulation screw, 7-filtrating equipment.Vibration damping relief valve body, the A of 10-band filtrating equipment, C-liquid entering hole, B-liquid outlet, D-hyperbaric chamber, E-low-pressure cavity, F-feed pathway.
Embodiment
Specific embodiment 1 is as follows:
Referring to accompanying drawing 1, it has described a preferred embodiment according to vibration damping reduction valve of the present invention.Comprise reducing valve body, press stifled, the vibration damping relief pressure valve cartridge, Pressure relief valve seat, the reduced pressure sealing circle, the relief spring device, described reducing valve body has vent, described vibration damping relief pressure valve cartridge is installed in the described vent and can moving axially along described vent, be provided with circular groove in the described vent, the reduced pressure sealing circle is set in the described circular groove, one end of described vibration damping relief pressure valve cartridge has cylindrical shaft part, described cylindrical shaft part cooperates the formation motive sealing with described reducing valve body and described reduced pressure sealing circle, described cylindrical shaft part is connected with the relief spring device that it is exerted pressure; Be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat forms the static seal between Pressure relief valve seat and the reducing valve body by pressing stifled being pressed on the reducing valve body; The other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the conical surface of described vibration damping relief pressure valve cartridge contacts cylindrical shaft part of vibration damping and Pressure relief valve seat endoporus round and that conical surface adjoins and forms throttling vibration damping relief cock valve port with Pressure relief valve seat, conical surface is all identical with cylindrical shaft part motive sealing diameter with Pressure relief valve seat contact circular diameter, the cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore.
The relief spring device of this vibration damping reduction valve comprises relief spring seat, relief spring, relief spring tube, decompression voltage regulation screw.Relief spring seat, relief spring and decompression voltage regulation screw are successively set in the relief spring tube.The cylindrical shaft part of vibration damping relief pressure valve cartridge connects the relief spring seat, and the vibration damping relief pressure valve cartridge is subjected to the size of relief spring active force and is set up by the decompression voltage regulation screw.
The reducing valve body of this vibration damping reduction valve has liquid entering hole A, the hyperbaric chamber D that liquid entering hole A becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with, this reducing valve body also has liquid outlet B, liquid outlet B and Pressure relief valve seat, presses low-pressure cavity E stifled and that reducing valve body surrounds to be communicated with.
Referring to accompanying drawing 2, it has described a preferred embodiment according to the vibration damping reduction valve of band filtrating equipment of the present invention.The basic structure and the vibration damping reduction valve described in the embodiment 1 of its decompression part are basic identical, the pressure that contains the vibration damping reduction valve is stifled, outside the vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing circle, relief spring device, also contain vibration damping relief valve body, the filtrating equipment of being with filtrating equipment.The vibration damping relief valve body that has filtrating equipment, has vent, described vibration damping relief pressure valve cartridge is installed in the described vent and can moving axially along described vent, be provided with circular groove in the described vent, the reduced pressure sealing circle is set in the described circular groove, one end of described vibration damping relief pressure valve cartridge has cylindrical shaft part, and described cylindrical shaft part cooperates the formation motive sealing with described reducing valve body and described reduced pressure sealing circle, and described cylindrical shaft part is connected with the relief spring device that it is exerted pressure; Be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat forms the static seal between Pressure relief valve seat and the reducing valve body by pressing stifled being pressed on the reducing valve body; The other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the conical surface of described vibration damping relief pressure valve cartridge contacts cylindrical shaft part of vibration damping and Pressure relief valve seat endoporus round and that conical surface adjoins and forms throttling vibration damping relief cock valve port with Pressure relief valve seat, conical surface is all identical with cylindrical shaft part motive sealing diameter with Pressure relief valve seat contact circular diameter, the cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore.The vibration damping relief valve body of band filtrating equipment also has filtering hole, and filtrating equipment is installed in the hole.
The vibration damping relief valve body of band filtrating equipment has filtering hole, and filtrating equipment is installed in the filtering hole, and filtrating equipment preferably includes skeleton, filter core, filter cylinder, upper cover, filter cylinder one end connects valve body, the other end is compressed by the upper cover sealing, is provided with filter core in the filter cylinder, and filter core inside is provided with skeleton.
The filtering pressure reducing valve body of vibration damping filtering pressure reducing valve has liquid entering hole C, liquid installs after filtration by liquid entering hole C and filters the back to feed pathway F, the hyperbaric chamber D that feed pathway F becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with, this reducing valve body also has liquid outlet B, liquid outlet B and Pressure relief valve seat, presses low-pressure cavity E stifled and that reducing valve body surrounds to be communicated with.This filtering pressure reducing valve body also has liquid outlet B, liquid outlet B and Pressure relief valve seat, presses low-pressure cavity E stifled and that reducing valve body surrounds to be communicated with.
The above; only be the preferable embodiment of patent of the present invention; but the protection domain of patent of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that patent of the present invention discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of patent of the present invention.
Claims (5)
1. vibration damping reduction valve, comprise reducing valve body, press stifled, the vibration damping relief pressure valve cartridge, Pressure relief valve seat, the reduced pressure sealing circle, the relief spring device, described reducing valve body has vent, described vibration damping relief pressure valve cartridge is installed in the described vent and can moving axially along described vent, be provided with circular groove in the described vent, the reduced pressure sealing circle is set in the described circular groove, one end of described vibration damping relief pressure valve cartridge has cylindrical shaft part, described cylindrical shaft part cooperates the formation motive sealing with described reducing valve body and described reduced pressure sealing circle, described cylindrical shaft part is connected with the relief spring device that it is exerted pressure; Be provided with Pressure relief valve seat between described vibration damping relief pressure valve cartridge and the described reducing valve body, described Pressure relief valve seat is by pressing stifled being pressed on the reducing valve body, form the static seal between Pressure relief valve seat and the reducing valve body, the other end of described vibration damping relief pressure valve cartridge has the circular cone section, the conical surface of described circular cone section is towards the Pressure relief valve seat direction, described conical surface is provided with the cylindrical shaft part of vibration damping towards the adjacent place of Pressure relief valve seat one side, the described conical surface of described vibration damping relief pressure valve cartridge and Pressure relief valve seat contact the cylindrical shaft part of vibration damping and Pressure relief valve seat endoporus formation throttling vibration damping relief cock valve port that circle and described conical surface adjoin, the circular diameter that contacts of described conical surface and Pressure relief valve seat, cylindrical shaft part diameter of vibration damping and Pressure relief valve seat diameter of bore are all identical with cylindrical shaft part motive sealing diameter.
2. vibration damping reduction valve as claimed in claim 1, wherein said relief spring device comprises relief spring seat, relief spring, relief spring tube, decompression voltage regulation screw, it is characterized in that relief spring seat, relief spring and decompression voltage regulation screw are successively set in the relief spring tube, the cylindrical shaft part of vibration damping relief pressure valve cartridge connects the relief spring seat, and the vibration damping relief pressure valve cartridge is subjected to the size of relief spring active force and is set up by the decompression voltage regulation screw of the relief spring tube that is threaded.
3. vibration damping reduction valve as claimed in claim 1 is characterized in that described reducing valve body has liquid entering hole A, and the hyperbaric chamber D that liquid entering hole A becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with; Described valve body also has liquid outlet B, liquid outlet B and Pressure relief valve seat, presses low-pressure cavity E stifled and that reducing valve body surrounds to be communicated with.
4. vibration damping reduction valve as claimed in claim 1, it combines the vibration damping reduction valve that constitutes the band filtrating equipment with filtrating equipment, it is characterized in that described filtrating equipment comprises skeleton, filter core, filter cylinder, upper cover, the vibration damping relief valve body of described filter cylinder one end connecting band filtrating equipment, the other end is compressed by the upper cover sealing, be provided with filter core in the filter cylinder, filter core inside is provided with skeleton.
5. vibration damping reduction valve as claimed in claim 4, the vibration damping relief valve body that it is characterized in that described band filtrating equipment has liquid entering hole C, described liquid entering hole C installs after filtration and is communicated with feed pathway F, and the hyperbaric chamber D that described feed pathway F becomes with vibration damping relief pressure valve cartridge, Pressure relief valve seat, reduced pressure sealing corral is communicated with; Described valve body also has liquid outlet B, described liquid outlet B and Pressure relief valve seat, presses low-pressure cavity E stifled and that reducing valve body surrounds to be communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110080925 CN102128291B (en) | 2011-04-01 | 2011-04-01 | Damping pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110080925 CN102128291B (en) | 2011-04-01 | 2011-04-01 | Damping pressure reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102128291A true CN102128291A (en) | 2011-07-20 |
| CN102128291B CN102128291B (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110080925 Active CN102128291B (en) | 2011-04-01 | 2011-04-01 | Damping pressure reducing valve |
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| CN (1) | CN102128291B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090362A (en) * | 2016-08-11 | 2016-11-09 | 中国海洋大学 | A kind of direct-acting overflow valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003185040A (en) * | 2001-12-18 | 2003-07-03 | Maruyama Mfg Co Ltd | Pressure regulating valve |
| EP1059476B1 (en) * | 1999-06-09 | 2005-06-01 | Usines Claas France | Agricultural balling press with an hydraulic system |
| CN101749465A (en) * | 2008-12-02 | 2010-06-23 | 上海宇航系统工程研究所 | Double-valve seat pressure-reducing valve |
| CN201715057U (en) * | 2010-06-18 | 2011-01-19 | 同济大学 | Balance piston induction type pneumatic pressure relief valve |
| CN201982754U (en) * | 2011-04-01 | 2011-09-21 | 北京天地玛珂电液控制系统有限公司 | Vibration and pressure relief valve |
-
2011
- 2011-04-01 CN CN 201110080925 patent/CN102128291B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1059476B1 (en) * | 1999-06-09 | 2005-06-01 | Usines Claas France | Agricultural balling press with an hydraulic system |
| JP2003185040A (en) * | 2001-12-18 | 2003-07-03 | Maruyama Mfg Co Ltd | Pressure regulating valve |
| CN101749465A (en) * | 2008-12-02 | 2010-06-23 | 上海宇航系统工程研究所 | Double-valve seat pressure-reducing valve |
| CN201715057U (en) * | 2010-06-18 | 2011-01-19 | 同济大学 | Balance piston induction type pneumatic pressure relief valve |
| CN201982754U (en) * | 2011-04-01 | 2011-09-21 | 北京天地玛珂电液控制系统有限公司 | Vibration and pressure relief valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090362A (en) * | 2016-08-11 | 2016-11-09 | 中国海洋大学 | A kind of direct-acting overflow valve |
| CN106090362B (en) * | 2016-08-11 | 2018-03-23 | 中国海洋大学 | A kind of direct-acting overflow valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102128291B (en) | 2012-09-26 |
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Address after: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Address before: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |