CN208252903U - A kind of hydraulic valve with displacement monitoring - Google Patents
A kind of hydraulic valve with displacement monitoring Download PDFInfo
- Publication number
- CN208252903U CN208252903U CN201820503141.9U CN201820503141U CN208252903U CN 208252903 U CN208252903 U CN 208252903U CN 201820503141 U CN201820503141 U CN 201820503141U CN 208252903 U CN208252903 U CN 208252903U
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- CN
- China
- Prior art keywords
- bottom plate
- spring
- valve
- displacement
- control access
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of hydraulic valves with displacement monitoring, valve inner is additionally provided with control access, one end of control access is connected with oil inlet, the other end of control access is connected with the middle part of fluid passage, the junction of control access and fluid passage is arranged in spool, spool includes piston and spring plug, the upper end of spring plug is vertically fixed on valve inner upper end, piston is oppositely arranged on the lower end of spring plug, control access is provided with manually-operated gate, displacement sensor is provided in protective case, displacement sensor is connected with spring plug, valve body surface is provided with multiple displacement indicator lights and alarm lamp, multiple displacement indicator lights and alarm lamp are connected with displacement sensor.Hydraulic valve provided by the utility model, sealing effect is good, and use scope is wide, and it can be further improved the response speed of valve, in addition the utility model is provided with displacement sensor, can detecte the displacement state of valve inner spool, and real time monitoring and in time maintenance are carried out to it.
Description
Technical field
The utility model relates to hydraulic valve technical field, in particular to a kind of hydraulic valve with displacement monitoring.
Background technique
Hydraulic valve is a kind of automation original part operated with pressure oil, by the control of distributing valve pressure oil, usually and electromagnetism
Distributing valve is applied in combination, and can be used for the on-off of far distance control power station oil, gas and water pipe-line system.In traditional hydraulic valve
Spool forced area is small, and valve response speed is slower, needs the pressure until oil inlet sufficiently large, and fluid passage can just lead to,
And valve internal seals, and is unable to monitor the variation of valve internal aperture, can not safeguard in time, affects normally making for valve
With.
Utility model content
To overcome hydraulic valve spool forced area existing in the prior art small, response speed is slower, and can not monitor
The problem of valve internal aperture, the utility model provide a kind of hydraulic valve with displacement monitoring.
Specific technical solution is as follows:
A kind of hydraulic valve with displacement monitoring, including valve body and spool, the spool are arranged in valve inner, the valve body
Side be provided with oil inlet, the other side of the valve body is provided with oil outlet, is provided between the oil inlet and oil outlet
Fluid passage, the valve inner are additionally provided with control access, and one end of the control access is connected with oil inlet, the control
The other end of access is connected with the middle part of fluid passage, and the control access is provided with manually-operated gate, and the spool setting is being controlled
The junction of access and fluid passage processed, the spool include piston and spring plug, and the upper end of the spring plug is vertically fixed on
Valve inner upper end, the piston are oppositely arranged on the lower end of spring plug, and displacement sensor is provided in the protective case, described
Displacement sensor is connected with spring plug, and the valve body surface is provided with multiple displacement indicator lights and alarm lamp, multiple displacements
Indicator light and alarm lamp are connected with displacement sensor.
Preferably, the spring plug includes protective case, spring a and bottom plate, and the protective case is cylinder, and in inside
Sky, one end of the spring a are fixed at the upper end of protective case inner wall, and the other end of the spring a is fixedly connected with bottom plate.
Preferably, the length of the spring a is greater than the length of protective case.
Preferably, the width of the bottom plate is greater than the length of protective case cross section.
Preferably, the bottom plate includes that the first bottom plate, the second bottom plate and spring b, the two sides of first bottom plate are respectively provided with
There is the second bottom plate, second bottom plate and the first bottom plate are hinged, and one end of the spring b is fixed at the upper table of the first bottom plate
Face, the other end are fixed at the upper surface of the second bottom plate.
The utility model has the advantages that compared with prior art
(1) hydraulic valve provided by the utility model, is provided with control access, under the cooperation of control access and piston,
Oil circuit can be controlled, in addition the bottom plate in the utility model includes the first bottom plate, the second bottom plate and spring b, the first bottom
Plate and the second bottom plate activity setting, it is ensured that leakproofness of the spool in channel, in addition the first bottom plate and the expansion of the second bottom plate
Afterwards, it increases spring plug with fluid contact area, improves the response speed of valve.
(2) it is provided with displacement sensor in the utility model, which is connected with spring plug, can pass through instruction
Lamp reflects the displacement state of spring plug, is monitored to valve internal aperture, if not being subjected to displacement for a long time, alarms, side
Just maintenance in time.
Detailed description of the invention
Fig. 1 is structural schematic diagram when a kind of hydraulic valve with displacement monitoring of the utility model works；
Fig. 2 is structural schematic diagram when a kind of hydraulic valve with displacement monitoring of the utility model does not work；
Fig. 3 is the structural schematic diagram of spring plug when a kind of hydraulic valve with displacement monitoring of the utility model works；
Fig. 4 is the structural schematic diagram of spring plug when a kind of hydraulic valve with displacement monitoring of the utility model does not work；
Fig. 5 is a kind of top view of the hydraulic valve with displacement monitoring of the utility model.
In figure, 1- valve body, 2- oil inlet, 3- oil outlet, 4- fluid passage, the control access 5-, 51- manually-operated gate 6- work
Plug, 7- protective case, 8- spring a, 9- bottom plate, the first bottom plate of 91-, the second bottom plate of 92-, 93- spring b, 10- displacement sensor, 11-
It is displaced indicator light, 12- alarm lamp.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
The utility model discloses a kind of hydraulic valves with displacement monitoring, as shown in Figure 1, including valve body 1 and spool, spool
It is arranged inside valve body 1, the side of valve body 1 is provided with oil inlet 2, and the other side of valve body 1 is provided with oil outlet 3,2 He of oil inlet
It is provided with fluid passage 4 between oil outlet 3, control access 5, one end of control access 5 and oil inlet are additionally provided with inside valve body 1
2 are connected, and the other end of control access 5 is connected with the middle part of fluid passage 4, and control access 5 and fluid passage 4 is arranged in spool
Junction, spool include piston 6 and spring plug, and the upper end of spring plug is vertically fixed on 1 inner upper end of valve body, and piston 6 is opposite to be set
It sets in the lower end of spring plug, piston 6 is not contacted with spring plug, and control access 5 is provided with manually-operated gate 51, and manually-operated gate 51 is used for
The on-off of control access 5 is controlled, user can voluntarily select.
As shown in Figures 3 and 4, the spring plug in the utility model includes protective case 7, spring a8 and bottom plate 9, and protective case 7 is
Cylinder, and inner hollow, one end of spring a8 are fixed at the upper end of 7 inner wall of protective case, the other end of spring a8 and bottom
Plate 9 is fixedly connected.The length of spring a8 is greater than the length of protective case 7.The width of bottom plate 9 is greater than the length of 7 cross section of protective case.
Further bottom plate 9 includes that the first bottom plate 91, the second bottom plate 92 and spring b93, the two sides of the first bottom plate 91 are provided with second
Bottom plate 92, the second bottom plate 92 and the first bottom plate 91 are hinged, and one end of spring b93 is fixed at the upper surface of the first bottom plate 91,
The other end is fixed at the upper surface of the second bottom plate 92.
Further, as shown in figure 5, being provided with displacement sensor 10, displacement sensing in protective case in the utility model
Device 10 is connected with spring plug, which can react the displacement state of spring plug, and valve body surface is provided with multiple positions
It moves indicator light 11 and alarm lamp 12, multiple displacement indicator lights 11 and alarm lamp 12 is connected with displacement sensor 10, multiple displacements
Indicator light 11 respectively corresponds the distance of spring plug displacement, when spring stopper variable compression, successively lights displacement indicator light 11, work
Personnel can intuitively observe the state of spring plug, and after oil inlet is opened, but spring plug is not subjected to displacement for a long time, then is reported
Warning lamp 12 carries out alarm flashing, and the specific time can be set by staff according to valve model.
Working principle: as shown in Fig. 2, when manually-operated gate 51 is not switched on, oil body flows into access, oil body pair from oil inlet 2
Spring plug generates pressure, and spring plug is opened upwards, and while opening, 9 two sides of bottom plate are opened, and forced area increases, and accelerates
The rate of climb of spring plug, further improves the response speed of valve；As shown in Figure 1, when manually-operated gate 51 is opened, oil
Body flows into access from oil inlet 2, and is dispersed to control access 5, and the oil body in control access 5 generates piston 6 upward
Pressure efficiently opens valve passage to pushing piston 6 to push up spring plug.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (4)
1. a kind of hydraulic valve with displacement monitoring, including valve body and spool, the spool is arranged in valve inner, and feature exists
In: the side of the valve body is provided with oil inlet, and the other side of the valve body is provided with oil outlet, the oil inlet and oil outlet
Between be provided with fluid passage, the valve inner is additionally provided with control access, one end and the oil inlet phase of the control access
Even, the other end of the control access is connected with the middle part of fluid passage, and the control access is provided with manually-operated gate, the valve
The junction of control access and fluid passage is arranged in core, and the spool includes piston and spring plug, the upper end of the spring plug
It is vertically fixed on valve inner upper end, the piston is oppositely arranged on the lower end of spring plug, and the spring plug includes protective case, bullet
Spring a and bottom plate are provided with displacement sensor in the protective case, and institute's displacement sensors are connected with spring plug, the valve body table
Face is provided with multiple displacement indicator lights and alarm lamp, and multiple displacement indicator lights and alarm lamp are connected with displacement sensor,
The protective case is cylindrical, and inner hollow, and one end of the spring a is fixed at the upper end of protective case inner wall, described
The other end of spring a is fixedly connected with bottom plate.
2. a kind of hydraulic valve with displacement monitoring according to claim 1, it is characterised in that: the length of the spring a is big
In the length of protective case.
3. a kind of hydraulic valve with displacement monitoring according to claim 2, it is characterised in that: the width of the bottom plate is greater than
The length of protective case cross section.
4. a kind of hydraulic valve with displacement monitoring according to claim 1, it is characterised in that: the bottom plate includes the first bottom
Plate, the second bottom plate and spring b, the two sides of first bottom plate are provided with the second bottom plate, second bottom plate and the first bottom plate
Hingedly, one end of the spring b is fixed at the upper surface of the first bottom plate, and the other end is fixed at the upper table of the second bottom plate
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820503141.9U CN208252903U (en) | 2018-04-10 | 2018-04-10 | A kind of hydraulic valve with displacement monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820503141.9U CN208252903U (en) | 2018-04-10 | 2018-04-10 | A kind of hydraulic valve with displacement monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252903U true CN208252903U (en) | 2018-12-18 |
Family
ID=64640038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820503141.9U Expired - Fee Related CN208252903U (en) | 2018-04-10 | 2018-04-10 | A kind of hydraulic valve with displacement monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252903U (en) |
-
2018
- 2018-04-10 CN CN201820503141.9U patent/CN208252903U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20190410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |