CN203214466U - Flow-regeneratable hydraulic locking valve device - Google Patents

Flow-regeneratable hydraulic locking valve device Download PDF

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Publication number
CN203214466U
CN203214466U CN 201320167676 CN201320167676U CN203214466U CN 203214466 U CN203214466 U CN 203214466U CN 201320167676 CN201320167676 CN 201320167676 CN 201320167676 U CN201320167676 U CN 201320167676U CN 203214466 U CN203214466 U CN 203214466U
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CN
China
Prior art keywords
hole
axial central
plug screw
section
rodless cavity
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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.)
Withdrawn - After Issue
Application number
CN 201320167676
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Chinese (zh)
Inventor
韦邦州
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valin Star Horse Car (group) Ltd By Share Ltd
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Valin Star Horse Car (group) Ltd By Share Ltd
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Priority to CN 201320167676 priority Critical patent/CN203214466U/en
Application granted granted Critical
Publication of CN203214466U publication Critical patent/CN203214466U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a flow-regeneratable hydraulic locking valve device and belongs to hydraulic devices. The flow-regeneratable hydraulic locking valve device is characterized by substantially comprising a valve body, a valve core, a rodless cavity side plug screw, a rodless cavity side spring, a rod cavity side plug screw and a rod cavity side spring. The valve body is provided with an axial central through hole, the upper portion and the lower portion of the valve body are correspondingly provided with an upper left oil hole, an upper right oil hole, a lower left oil hole and a lower right oil hole, which are communicated with the axial central through hole and provided with internal threads; the left end and the right end of the axial central through hole are provided with the hexagonal head rodless cavity side plug screw and the hexagonal head rod cavity side plug screw respectively, and the springs are correspondingly inserted inside the central blind holes of the rodless cavity side plug screw and the rod cavity side plug screw respectively; the valve core is slidingly mounted inside the axial central through hole of the valve body, and both ends of the valve core are correspondingly inserted inside the springs respectively; a radial through hole is formed in the middle of the valve core, and an axial central blind hole is formed in the left portion of the valve core and communicated with the radial through hole, so that an oil cylinder can stretch out rapidly and meanwhile the rodless cavity and the rod cavity can be locked.

Description

A kind of flow regeneration hydraulic pressure locking-valve device
Technical field
The utility model belongs to hydraulic pressure installation, especially relates to a kind of hydraulic lock control valve unit.
Background technique
In the oil cylinder work of the oil cylinder that has engineering machinery now and other hydraulic equipments, when requiring the oil cylinder fuel cut-off on the one hand, rod chamber and the rodless cavity of reply oil cylinder lock, and fall certainly to prevent oil cylinder, and employing is installed a hydraulic lock and solved this problem usually; The operator of equipment wish again when oil cylinder is overhanging on the one hand in addition, overhanging speed is fast as much as possible, to improve operating efficiency, this just need carry out differential connection to oil cylinder, but there be limited evidence currently of has this device that has differential regeneration function and band oil cylinder auto-lock function simultaneously.
Summary of the invention
The purpose of this utility model provides a kind of flow regeneration hydraulic pressure locking-valve device, and is not only rational in infrastructure, safe and reliable, and oil cylinder can be stretched out when work fast, improves operating efficiency; To the oil cylinder fuel cut-off time, can be to oil cylinder two chambeies: rod chamber and rodless cavity all lock.
The purpose of this utility model is achieved like this: a kind of flow regeneration hydraulic pressure locking-valve device, it is characterized in that: this a kind of flow regeneration hydraulic pressure locking-valve device is mainly by valve body, spool, rodless cavity side plug screw, rodless cavity side spring and rod chamber side plug screw, rod chamber side spring is formed, this valve body is cylindrical, offer axial central through hole at this valve body, and this axial central through hole is double step shape hole, it is the equal diameters of the left end section of this axial central through hole and right-hand member section and all greater than the diameter in stage casing, left end section and the right-hand member section of this axial central through hole are tapped hole, and the stage casing of this axial central through hole is cylindrical hole, and be taper type transitional pore section respectively between the left end section of this axial central through hole and the stage casing and between the right-hand member section of this axial central through hole and the stage casing, simultaneously, on the top of this valve body corresponding to the left part in the stage casing of axial central through hole, the tapped upper left oilhole that communicates with axial central through hole is offered at the right part position respectively, upper right oilhole, and in the bottom of this valve body corresponding to the transitional pore section position of the axial central through hole corresponding tapped lower-left oilhole that communicates with axial central through hole of offering respectively, the bottom right oilhole;
The rodless cavity side plug screw of spinning band six square toes on the left end section of this valve body axial central through hole, the rod chamber side plug screw of spinning band six square toes on the right-hand member section of this valve body axial central through hole, this rodless cavity side plug screw is identical with the structure of rod chamber side plug screw, be that example is described further with rod chamber side plug screw now: this rod chamber side plug screw is the stepped shape plug screw, the right-hand member section of this rod chamber side plug screw for diameter than the big six square toes left side section of left side section for being with externally threaded cylindrical section, section is offered central blind hole on the left side of this rod chamber side plug screw, and offer annular elastomeric spring abutment groove at the bottom of the hole of heart blind hole hereinto, corresponding plug-in mounting rod chamber side spring and the right-hand member of this rod chamber side spring is installed in the spring seat groove in the heart blind hole hereinto, equally, corresponding plug-in mounting rodless cavity side spring and the left end of this rodless cavity side spring is installed in the spring seat groove in the central blind hole on this rodless cavity side plug screw;
In addition, spool is installed in the stage casing of this valve body axial central through hole with being slidingly matched, it is cylindrical that this spool is double step, the equal diameters of this spool left end section and right-hand member section and all less than the diameter in stage casing, and the equal correspondence of diameter of this spool left end section and right-hand member section is slightly less than rodless cavity side spring, the inner diameter of rod chamber side spring, be this spool left end section and right-hand member section respectively correspondence be inserted into rodless cavity side spring, in the inner diameter of rod chamber side spring, offer the double step radial direction through hole at the middle part of this spool, it is the upper end section of this radial direction through hole, lower end section inner diameter is all greater than the diameter in stage casing, simultaneously, offer the axial centre blind hole that double step radial direction through hole therewith communicates at the left part of this spool.
During use, the rodless cavity that this upper left oilhole is connected oil cylinder by the hydraulic oil pipe of screw thread spinning, and with the rod chamber of this upper right oilhole by the hydraulic oil pipe connection oil cylinder of screw thread spinning, this lower-left oilhole and bottom right oilhole are received on the filler opening and return opening of selector valve of other setting by hydraulic oil pipe respectively, when fluid enters lower-left oilhole in the valve body from the filler opening of selector valve, promote spool by hydraulic coupling and be compressed with bar chamber side spring toward moving right, spool is moved to right and the double step radial direction through hole on the spool is communicated with upper right oilhole on the valve body, the oil return of cylinder rod chamber is guided to rodless cavity by the central blind hole on the spool, merge the common oil cylinder that promotes toward overhanging with the fluid two-way that enters rodless cavity, make oil cylinder stretch out fast; When not having fluid to enter in the valve body, spool is in the neutral position under the acting in conjunction of rod chamber side spring, rodless cavity side spring, and rod chamber oil duct and the rodless cavity oil duct of oil cylinder are all blocked by spool, and then play the lock function of rod chamber and rodless cavity.
The utility model proposes a kind of flow regeneration hydraulic pressure locking-valve device, and is not only rational in infrastructure, safe and reliable, and oil cylinder is stretched out when work fast, improved operating efficiency; To the oil cylinder fuel cut-off time, can be to oil cylinder two chambeies: rod chamber and rodless cavity all lock.
Now a kind of flow regeneration hydraulic pressure locking-valve device that in conjunction with the accompanying drawings and embodiments the utility model is proposed is described further.
Description of drawings
Fig. 1 is the main cross-sectional schematic of a kind of flow regeneration hydraulic pressure locking-valve device that proposes of the utility model.
Among Fig. 1: 1, rodless cavity side plug screw 2, rodless cavity side spring 3, spool 4, valve body 4-1, upper left oilhole 4-2, upper right oilhole 4-3, lower-left oilhole 4-4, bottom right oilhole 5, rod chamber side spring 6, rod chamber side plug screw.
Embodiment
As can be seen from Figure 1: a kind of flow regeneration hydraulic pressure locking-valve device, it is characterized in that: this a kind of flow regeneration hydraulic pressure locking-valve device is mainly by valve body 4, spool 3, rodless cavity side plug screw 1, rodless cavity side spring 2 and rod chamber side plug screw 6, rod chamber side spring 5 is formed, this valve body 4 is cylindrical, offer axial central through hole at this valve body 4, and this axial central through hole is double step shape hole, it is the equal diameters of the left end section of this axial central through hole and right-hand member section and all greater than the diameter in stage casing, left end section and the right-hand member section of this axial central through hole are tapped hole, and the stage casing of this axial central through hole is cylindrical hole, and be taper type transitional pore section respectively between the left end section of this axial central through hole and the stage casing and between the right-hand member section of this axial central through hole and the stage casing, simultaneously, on the top of this valve body 4 corresponding to the left part in the stage casing of axial central through hole, the tapped upper left oilhole 4-1 that communicates with axial central through hole is offered at the right part position respectively, upper right oilhole 4-2, and in the bottom of this valve body 4 corresponding to the transitional pore section position of the axial central through hole corresponding tapped lower-left oilhole 4-3 that communicates with axial central through hole that offers respectively, bottom right oilhole 4-4;
The rodless cavity side plug screw 1 of spinning band six square toes on the left end section of these valve body 4 axial central through hole, the rod chamber side plug screw 6 of spinning band six square toes on the right-hand member section of these valve body 4 axial central through hole, this rodless cavity side plug screw 1 is identical with the structure of rod chamber side plug screw 6, be that example is described further with rod chamber side plug screw 6 now: this rod chamber side plug screw 6 is the stepped shape plug screw, the right-hand member section of this rod chamber side plug screw 6 for diameter than the big six square toes left side section of left side section for being with externally threaded cylindrical section, section is offered central blind hole on the left side of this rod chamber side plug screw 6, and offer annular elastomeric spring abutment groove at the bottom of the hole of heart blind hole hereinto, corresponding plug-in mounting rod chamber side the spring 5 and right-hand member of this rod chamber side spring 5 is installed in the spring seat groove in the heart blind hole hereinto, equally, corresponding plug-in mounting rodless cavity side the spring 2 and left end of this rodless cavity side spring 2 is installed in the spring seat groove in the central blind hole on this rodless cavity side plug screw 1;
In addition, spool 3 is installed in the stage casing of these valve body 4 axial central through hole with being slidingly matched, it is cylindrical that this spool 3 is double step, the left end section of this spool 3 and the equal diameters of right-hand member section and all less than the diameter in stage casing, and the equal correspondence of diameter of the left end section of this spool 3 and right-hand member section is slightly less than rodless cavity side spring 2, the inner diameter of rod chamber side spring 5, be the left end section of this spool 3 and right-hand member section respectively correspondence be inserted into rodless cavity side spring 2, in the inner diameter of rod chamber side spring 5, offer the double step radial direction through hole at the middle part of this spool 3, it is the upper end section of this radial direction through hole, lower end section inner diameter is all greater than the diameter in stage casing, simultaneously, offer the axial centre blind hole that double step radial direction through hole therewith communicates at the left part of this spool 3.
During use, the rodless cavity that this upper left oilhole 4-1 is connected oil cylinder by the hydraulic oil pipe of screw thread spinning, and this upper right oilhole 4-2 is connected the rod chamber of oil cylinder by the hydraulic oil pipe of screw thread spinning, this lower-left oilhole 4-3 and bottom right oilhole 4-4 receive on the filler opening and oil outlet of selector valve of other setting by hydraulic oil pipe respectively, when fluid enters lower-left oilhole 4-1 in the valve body 4 from the filler opening of selector valve, promote spool 3 by hydraulic coupling and be compressed with bar chamber side spring 5 toward moving right, spool 3 is moved to right and the double step radial direction through hole on the spool 3 is communicated with upper right oilhole 4-2 on the valve body 4, the oil return of cylinder rod chamber is guided to rodless cavity by the central blind hole on the spool 3, merge the common oil cylinder that promotes toward overhanging with the fluid two-way that enters rodless cavity, make oil cylinder stretch out fast; When not having fluid to enter in the valve body 4, spool 3 is in the neutral position under the acting in conjunction of rod chamber side spring 5, rodless cavity side spring 2, rod chamber oil duct and the rodless cavity oil duct of oil cylinder are all blocked by spool 3, and then play the lock function of rod chamber and rodless cavity.

Claims (1)

1. flow regeneration hydraulic pressure locking-valve device, it is characterized in that: this a kind of flow regeneration hydraulic pressure locking-valve device is mainly by valve body (4), spool (3), rodless cavity side plug screw (1), rodless cavity side spring (2) and rod chamber side plug screw (6), rod chamber side spring (5) is formed, this valve body (4) is cylindrical, offer axial central through hole at this valve body (4), and this axial central through hole is double step shape hole, it is the equal diameters of the left end section of this axial central through hole and right-hand member section and all greater than the diameter in stage casing, left end section and the right-hand member section of this axial central through hole are tapped hole, and the stage casing of this axial central through hole is cylindrical hole, and be taper type transitional pore section respectively between the left end section of this axial central through hole and the stage casing and between the right-hand member section of this axial central through hole and the stage casing, simultaneously, on the top of this valve body (4) corresponding to the left part in the stage casing of axial central through hole, the tapped upper left oilhole (4-1) that communicates with axial central through hole is offered at the right part position respectively, upper right oilhole (4-2), and in the bottom of this valve body (4) corresponding to the transitional pore section position of the axial central through hole corresponding tapped lower-left oilhole (4-3) that communicates with axial central through hole of offering respectively, bottom right oilhole (4-4);
The rodless cavity side plug screw (1) of spinning band six square toes on the left end section of this valve body (4) axial central through hole, the rod chamber side plug screw (6) of spinning band six square toes on the right-hand member section of this valve body (4) axial central through hole, this rodless cavity side plug screw (1) is identical with the structure of rod chamber side plug screw (6), this rod chamber side plug screw (6) is the stepped shape plug screw, the right-hand member section of this rod chamber side plug screw (6) for diameter than the big six square toes left side section of left side section for being with externally threaded cylindrical section, section is offered central blind hole on the left side of this rod chamber side plug screw (6), and offer annular elastomeric spring abutment groove at the bottom of the hole of heart blind hole hereinto, corresponding plug-in mounting rod chamber side spring (5) and the right-hand member of this rod chamber side spring (5) is installed in the spring seat groove in the heart blind hole hereinto, equally, corresponding plug-in mounting rodless cavity side spring (2) and the left end of this rodless cavity side spring (2) is installed in the spring seat groove in the central blind hole on this rodless cavity side plug screw (1);
In addition, spool (3) is installed in the stage casing of this valve body (4) axial central through hole with being slidingly matched, it is cylindrical that this spool (3) is double step, the left end section of this spool (3) and the equal diameters of right-hand member section and all less than the diameter in stage casing, and the equal correspondence of diameter of the left end section of this spool (3) and right-hand member section is slightly less than rodless cavity side spring (2), the inner diameter of rod chamber side spring (5), be the left end section of this spool (3) and right-hand member section respectively correspondence be inserted into rodless cavity side spring (2), in the inner diameter of rod chamber side spring (5), the double step radial direction through hole is offered at middle part at this spool (3), it is the upper end section of this radial direction through hole, lower end section inner diameter is all greater than the diameter in stage casing, simultaneously, offer the axial centre blind hole that double step radial direction through hole therewith communicates at the left part of this spool (3).
CN 201320167676 2013-04-07 2013-04-07 Flow-regeneratable hydraulic locking valve device Withdrawn - After Issue CN203214466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320167676 CN203214466U (en) 2013-04-07 2013-04-07 Flow-regeneratable hydraulic locking valve device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320167676 CN203214466U (en) 2013-04-07 2013-04-07 Flow-regeneratable hydraulic locking valve device

Publications (1)

Publication Number Publication Date
CN203214466U true CN203214466U (en) 2013-09-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320167676 Withdrawn - After Issue CN203214466U (en) 2013-04-07 2013-04-07 Flow-regeneratable hydraulic locking valve device

Country Status (1)

Country Link
CN (1) CN203214466U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103174693A (en) * 2013-04-07 2013-06-26 华菱星马汽车(集团)股份有限公司 Flow regeneration hydraulic lock valve device
CN106351904A (en) * 2016-10-10 2017-01-25 合肥协力液压科技有限公司 Double-layer hydraulic oil control valve
CN106438541A (en) * 2016-10-10 2017-02-22 合肥协力液压科技有限公司 Double-layer hydraulic valve
CN106593980A (en) * 2016-10-10 2017-04-26 合肥协力液压科技有限公司 Hydraulic oil control valve

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103174693A (en) * 2013-04-07 2013-06-26 华菱星马汽车(集团)股份有限公司 Flow regeneration hydraulic lock valve device
CN103174693B (en) * 2013-04-07 2015-05-27 华菱星马汽车(集团)股份有限公司 Flow regeneration hydraulic lock valve device
CN106351904A (en) * 2016-10-10 2017-01-25 合肥协力液压科技有限公司 Double-layer hydraulic oil control valve
CN106438541A (en) * 2016-10-10 2017-02-22 合肥协力液压科技有限公司 Double-layer hydraulic valve
CN106593980A (en) * 2016-10-10 2017-04-26 合肥协力液压科技有限公司 Hydraulic oil control valve
CN106351904B (en) * 2016-10-10 2018-04-17 合肥协力液压科技有限公司 A kind of double-layer hydraulic oil controlling valve

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130925

Effective date of abandoning: 20150527

RGAV Abandon patent right to avoid regrant