CN205937302U - Oil circuit locking device - Google Patents
Oil circuit locking device Download PDFInfo
- Publication number
- CN205937302U CN205937302U CN201620885587.3U CN201620885587U CN205937302U CN 205937302 U CN205937302 U CN 205937302U CN 201620885587 U CN201620885587 U CN 201620885587U CN 205937302 U CN205937302 U CN 205937302U
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- Prior art keywords
- oil
- locking device
- chamber
- valve
- reversal valve
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- Withdrawn - After Issue
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Abstract
The utility model provides an oil circuit locking device, including the locking device body, be provided with the oil inlet on the locking device body, the oil -out, the oil inlet port, the oil backward flow mouth that the chamber is linked together of retreating with the hydro -cylinder, switching -over valve and check valve, the switching -over valve is connected with control circuit through the wire respectively with the check valve, the oil inlet, the oil -out, the oil inlet port is linked together through pipeline and switching -over valve respectively with oil backward flow mouth, the check valve sets up on the oil backward flow mouthful pipeline that communicates with the switching -over valve, it to control the case that removes to be provided with in the switching -over valve, when the case left / move to right move after, the oil inlet is linked together with oily inlet port, when the case right / move to left move after, the oil inlet is linked together with oil backward flow mouth. Its advantage lies in: realize the purpose of hydro -cylinder switching mould motion, locking effect is good, and the unblock is convenient, and efficiency is higher, the switching -over valve adopts circuit control with the check valve, and the reaction is sensitive, and the toggle speed is fast, the locking device body is solid die body, and communicate each open -ended lumen and set up on solid die body, simple structure, processing is very convenient.
Description
Technical field
The utility model is related to a kind of hydraulic-driven technical field, especially the oil circuit on a kind of machine for hydraulic-driven
Locking device.
Background technology
A kind of existing Patent No. CN200820186385.5 is entitled《The oil circuit locking device of hydraulic push rod oil cylinder》's
Chinese utility model patent discloses a kind of oil circuit locking device of hydraulic push rod oil cylinder.It is related to lock the dress of hydraulic jack oil circuit
Put, more particularly, to the oil circuit locking device of hydraulic push rod.Using by reducing the assembly connection between valve element and valve opening, to improve
The oil circuit locking device of the hydraulic push rod oil cylinder of both quality of fits.Including valve body, the oil being connected with oil cylinder two chambers respectively
Mouthful swivel nut, valve body is provided with four connectors being connected with hydraulic circuit, two oil return openings, valve element, valve opening, hydraulic control push rod,
Also include a valve pocket being provided with mesopore, valve opening located at the lower end of valve pocket, valve element be arranged on being axially reciprocal motion in valve pocket and
It is adapted with valve opening, hydraulic fluid port swivel nut is located at valve pocket upper end.This utility model on the basis of existing technology, increased a transition
Part valve pocket, valve opening is arranged on valve pocket lower end, and valve element is arranged on the middle in the hole of valve pocket with being axially reciprocal motion；Additionally,
By lengthening the length of valve element and the mating surface of valve pocket, guiding accuracy during valve element axially-movable can be greatly improved.However, should
Apparatus structure is complicated, and oil circuit locking effect is undesirable, and the structure of therefore this device also needs to improve further.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of structure simple for above-mentioned state of the art,
High degree of automation, the switching of oil circuit direction are rapid, the good oil circuit locking device of oil circuit locking effect.
The utility model solves the technical scheme that adopted of above-mentioned technical problem：This oil circuit locking device, including locking
Device body it is characterised in that：It is provided with the oil-in being connected with fuel tank, oil-out and oil on described locking device body
The oily inlet port that the advance chamber of cylinder is connected, oily refluxing opening, reversal valve and the check valve being connected with the retrogressing chamber of oil cylinder, institute
State reversal valve to be connected with control circuit by wire respectively with check valve, described oil-in, oil-out, oily inlet port and oil return
Head piece is connected with reversal valve by pipeline respectively, and described check valve is arranged on the pipeline that oily refluxing opening is connected with reversal valve,
Be provided with the valve element that can move left and right in described reversal valve, when valve element to the left/move right after, described oil-in and oily inlet port phase
Connection, when valve element to the right/move left after, described oil-in with oil refluxing opening be connected.
As improvement, described locking device body is preferably solid die body, is provided with oil inlet pipe in described solid die body
Chamber, fuel-displaced tube chamber, oil enter tube chamber and oil return pipe chamber, and described oil-in passes through the first import phase of oil-feed tube chamber and reversal valve
Connection, described oil-out is connected with the first outlet of reversal valve by fuel-displaced tube chamber, and described oil inlet port passes through oil and enters pipe
Chamber is connected with the second outlet of reversal valve, and described oil refluxing opening is connected with the second import of reversal valve by oil return pipe chamber
Logical.
Improve further, described reversal valve is preferably arranged on the top surface of solid die body, the top surface of described solid die body
On be provided with the first opening being connected with the first import, the second opening being connected with first outlet, be connected with second outlet
The 3rd logical opening, the 4th opening being connected with the second import.
Improve further, the bottom of described reversal valve is preferably provided with fixed column, described solid die body top surface and fixation
Post corresponding position is provided with jack, and described fixed column is spirally connected and is fixed in corresponding jack.
Improve further, described fixed column is preferably two groups, and two groups of fixed columns are symmetricly set on the bottom surface of solid die body
On, every group of fixed column is three, and three fixed columns are disposed on the bottom surface side of solid die body.
As improvement, described oil-in, oily inlet port, oily refluxing opening are preferably separately positioned on the different side of solid die body
On face, described oil-out is located on the same side of solid die body with oil-in.
As improvement, described oil return pipe chamber is preferably provided with first point of chamber, described oil-feed tube chamber is provided with
Two points of chambeies, described second point of chamber is provided with the 3rd point of chamber, and described 3rd point of chamber is connected with first point of chamber by check valve.
Improve further, described second point of chamber is preferably connected with flow detector.
As improvement, described locking device body is preferably provided with and adjusts the speed that oil enters locking device body speed
Degree regulating valve.
As improvement, the bottom surface of described locking device body is preferably provided with locking device body is fixed on oil cylinder
Fixing hole on sidepiece.
Compared with prior art, the utility model has the advantage of：Check valve is provided with oil return pipe chamber, on a small quantity oil from
4th opening is passed through reversal valve and returns to fuel tank through the second opening from oil-out, and major part is because oily pressure differential is from check valve
Entering second point of chamber thus being again introduced in oil-feed tube chamber, being circulated flowing, promoting piston to be continuously advanced, thus reaching control
The purpose of closing movement realized by oil cylinder, and locking effect is good, instead of the differential reversal valve in traditional locks moulding oil road and big orifice
Reversal valve, decreases recirculating oil quantity while realizing equal locked mode function, and efficiency is also higher；After change-over valve core displacement, first
Opening and the 4th opening in communication, oil from oil-in enter and from oily refluxing opening and lead to piston retrogressing chamber, realize oil cylinder
Die sinking motion, oil circuit unblock is simple to operate；Reversal valve and check valve adopt circuit to control, and are quick on the draw, toggle speed is fast；Locking
Device body is solid die body, and the tube chamber connecting each opening is arranged on solid die body, and structure is simple, and processing is very convenient.
Brief description
Fig. 1 is the stereogram of the utility model embodiment；
Fig. 2 is the structure decomposition figure of locking device body, reversal valve and check valve integrated structure in Fig. 1；
Fig. 3 is the structure decomposition figure of another angle of Fig. 2；
Fig. 4 is the structural representation of fuel-displaced tube chamber in Fig. 1；
Fig. 5 is the structural representation of oil-feed tube chamber in Fig. 1；
Fig. 6 is the structural representation in oil return pipe chamber in Fig. 1；
Fig. 7 is the structural representation that in Fig. 1, oil enters tube chamber and fuel-displaced tube chamber；
Fig. 8 is that the utility model embodiment is applied to the application effect figure on oil cylinder.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figures 1 to 8, the oil circuit locking device of the present embodiment, including locking device body 1, described locking device
The oily inlet port f that the oil-in p being connected with fuel tank, oil-out t are connected with the advance chamber of oil cylinder 2 is provided with body 1,
With oily refluxing opening c, reversal valve 3 and the check valve 4 that chamber is connected that retreat of oil cylinder 2, described reversal valve 3 is with check valve 4 respectively
It is connected with control circuit by wire, described oil-in p, oil-out t, oily inlet port f and oily refluxing opening c pass through pipeline respectively
It is connected with reversal valve 3, described check valve 4 is arranged on the pipeline that oily refluxing opening c is connected with reversal valve 3, in described reversal valve 3
Be provided with the valve element that can move left and right, after valve element is moved to the left, described oil-in p is connected with oily inlet port f, when valve element to
After moving right, described oil-in p is connected with oily refluxing opening c.
Locking device body 1 is solid die body, is provided with oil-feed tube chamber 11, fuel-displaced tube chamber 12, oil in described solid die body
Enter tube chamber 13 and oil return pipe chamber 14, described oil-in p is connected with the first import a1 of reversal valve 3 by oil-feed tube chamber 11
Logical, described oil-out t is connected with first outlet b1 of reversal valve 3 by fuel-displaced tube chamber 12, and described oil inlet port f is entered by oil
Second outlet e1 entering tube chamber 13 with reversal valve 3 is connected, and described oil refluxing opening c passes through oil return pipe chamber 14 and reversal valve 3
Second import d1 is connected.Described reversal valve 3 is arranged on the top surface of solid die body, and the top surface of described solid die body is provided with
The first opening a being connected with the first import a1, the second opening b being connected with first outlet b1, are connected with second outlet e1
The 3rd logical opening e, the 4th opening d being connected with the second import d1.The bottom of described reversal valve 3 is provided with fixed column 31,
Described solid die body top surface and fixed column 31 corresponding position are provided with jack 15, and described fixed column 31 is spirally connected and is fixed on corresponding inserting
In hole 15.Described fixed column 31 is two groups, and two groups of fixed columns 31 are symmetricly set on the bottom surface of solid die body, every group of fixed column 31
For three, three fixed columns 31 are disposed on the bottom surface side of solid die body.Described oil-in p, oily inlet port f, oil backflow
Mouth c is separately positioned on the different side of solid die body, and described oil-out t and oil-in p is located at the same side of solid die body
On.First point of chamber 16 is provided with described oil return pipe chamber 14, described oil-feed tube chamber 11 is provided with second point of chamber 17, described
3rd point of chamber 18 is provided with two points of chambeies 17, described 3rd point of chamber 18 is connected with first point of chamber 16 by check valve 4.Described
Two points of chambeies 17 are connected with flow detector.Regulation oil is provided with described locking device body 1 and enters locking device body 1
The speed-regulating valve 5 of speed.It is provided with the bottom surface of described locking device body 1 and locking device body 1 is fixed on oil cylinder 2 side
Fixing hole 19 in portion.
Operation principle：Oil enters solid die body, change-over valve core displacement from oil-in, makes the first opening and the 3rd opening phase
Connection, oil, from the advance chamber that oily inlet port enters into oil cylinder, promotes the piston advances forward in oil cylinder, after piston opposite side
The oil moving back in chamber flows back into oily refluxing opening from oil cylinder, is provided with check valve due on oil return pipe chamber, and oil is from the 4th opening on a small quantity
It is passed through reversal valve and returns to fuel tank through the second opening from oil-out, major part enters second due to oily pressure differential from check valve
Point chamber, thus being again introduced in oil-feed tube chamber, is circulated flowing, promotes piston to be continuously advanced.
When counter motion, change-over valve core displacement, the first opening and the 4th opening in communication, oil enters simultaneously from oil-in
From oily refluxing opening and lead to the retrogressing chamber of piston, promote piston reverses direction motion, the oil in the advance chamber of piston opposite side is from oil
Cylinder flows back to oily inlet port, enters reversal valve from the 3rd opening, and is back to fuel tank through the second opening from oil-out, completes oil circuit
Circulation, thus promoting piston persistently to retreat.
Claims (10)
1. a kind of oil circuit locking device, including locking device body (1) it is characterised in that：Set on described locking device body (1)
It is equipped with the oil-in (p) being connected with fuel tank, oil-out (t), the oily inlet port (f) being connected with the advance chamber of oil cylinder (2), with
Oil cylinder (2) retreat the chamber oily refluxing opening (c), reversal valve (3) and the check valve (4) that are connected, described reversal valve (3) with unidirectional
Valve (4) is connected with control circuit by wire respectively, described oil-in (p), oil-out (t), oily inlet port (f) and oil backflow
Mouth (c) is connected with reversal valve (3) by pipeline respectively, and described check valve (4) is arranged on oily refluxing opening (c) and reversal valve (3)
Connection pipeline on, be provided with, in described reversal valve (3), the valve element that can move left and right, when valve element to the left/move right after, described enter
Hydraulic fluid port (p) is connected with oily inlet port (f), when valve element to the right/move left after, described oil-in (p) is connected with oil refluxing opening (c)
Logical.
2. oil circuit locking device according to claim 1 it is characterised in that：Described locking device body (1) is solid mould
Body, is provided with oil-feed tube chamber (11), fuel-displaced tube chamber (12), oil entrance tube chamber (13) and oil return pipe chamber in described solid die body
(14), described oil-in (p) is connected with first import (a1) of reversal valve (3) by oil-feed tube chamber (11), described oil-out
T () is connected with the first outlet (b1) of reversal valve (3) by fuel-displaced tube chamber (12), described oil inlet port (f) is entered by oil
Tube chamber (13) is connected with the second outlet (e1) of reversal valve (3), and described oil refluxing opening (c) is passed through oil return pipe chamber (14) and changed
It is connected to second import (d1) of valve (3).
3. oil circuit locking device according to claim 2 it is characterised in that：Described reversal valve (3) is arranged on solid die body
Top surface on, the top surface of described solid die body is provided with the first opening (a) being connected with the first import (a1), goes out with first
The second opening (b) that mouth (b1) is connected, the 3rd opening (e) being connected with second outlet (e1), with the second import (d1) phase
4th opening (d) of connection.
4. oil circuit locking device according to claim 3 it is characterised in that：The bottom of described reversal valve (3) is provided with solid
Fixed column (31), described solid die body top surface and fixed column (31) corresponding position are provided with jack (15), described fixed column (31)
It is spirally connected and be fixed in corresponding jack (15).
5. oil circuit locking device according to claim 4 it is characterised in that：Described fixed column (31) is two groups, and two groups solid
Fixed column (31) is symmetricly set on the bottom surface of solid die body, and every group of fixed column (31) is three, and three fixed column (31) intervals set
Put the bottom surface side in solid die body.
6. according to described oil circuit locking device arbitrary in claim 2 to 5 it is characterised in that：Described oil-in (p), oil enter
Entrance (f), oily refluxing opening (c) are separately positioned on the different side of solid die body, described oil-out (t) and oil-in (p) position
On the same side of solid die body.
7. according to described oil circuit locking device arbitrary in claim 2 to 5 it is characterised in that：Described oil return pipe chamber (14)
On be provided with first point of chamber (16), described oil-feed tube chamber (11) is provided with second point of chamber (17), on described second point of chamber (17)
It is provided with the 3rd point of chamber (18), described 3rd point of chamber (18) is connected with first point of chamber (16) by check valve (4).
8. oil circuit locking device according to claim 7 it is characterised in that：Described second point of chamber (17) is filled with flow detection
Put and be connected.
9. according to described oil circuit locking device arbitrary in claim 1 to 5 it is characterised in that：Described locking device body (1)
On be provided with adjust oil enter locking device body (1) speed speed-regulating valve (5).
10. according to described oil circuit locking device arbitrary in claim 1 to 5 it is characterised in that：Described locking device body
(1) fixing hole (19) being fixed on locking device body (1) on oil cylinder (2) sidepiece is provided with bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620885587.3U CN205937302U (en) | 2016-08-06 | 2016-08-06 | Oil circuit locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620885587.3U CN205937302U (en) | 2016-08-06 | 2016-08-06 | Oil circuit locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937302U true CN205937302U (en) | 2017-02-08 |
Family
ID=57918577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620885587.3U Withdrawn - After Issue CN205937302U (en) | 2016-08-06 | 2016-08-06 | Oil circuit locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351916A (en) * | 2016-08-06 | 2017-01-25 | 浙江台意德塑机制造有限公司 | Oil way locking device |
-
2016
- 2016-08-06 CN CN201620885587.3U patent/CN205937302U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351916A (en) * | 2016-08-06 | 2017-01-25 | 浙江台意德塑机制造有限公司 | Oil way locking device |
| CN106351916B (en) * | 2016-08-06 | 2018-08-10 | 浙江台意德塑机制造有限公司 | Oil circuit locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20180810 |