CN208651699U - Solenoid directional control valve with sealing structure - Google Patents
Solenoid directional control valve with sealing structure Download PDFInfo
- Publication number
- CN208651699U CN208651699U CN201821105441.8U CN201821105441U CN208651699U CN 208651699 U CN208651699 U CN 208651699U CN 201821105441 U CN201821105441 U CN 201821105441U CN 208651699 U CN208651699 U CN 208651699U
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- Prior art keywords
- seal
- closure part
- directional control
- solenoid directional
- groove
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- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a kind of solenoid directional control valve with sealing structure, it is related to solenoid directional control valve technical field, the solenoid directional control valve with sealing structure includes hydraulic fluid port, first seal, second seal, valve-rod cavity, valve rod, elastic component and the first electromagnetic coil and the second electromagnetic coil, along the axis direction of valve rod, the first block piece is successively arranged on valve rod, first closure part, second closure part and the second block piece, and first forms the first oil circuit mouth channel between blocking portion and the first closure part, the second oil circuit mouth channel is formed between second blocking portion and the second closure part, wherein, first seal is fitted closely by the first fastener on the first closure part, second seal is fitted closely by the second fastener on the second closure part.The solenoid directional control valve for having the characteristics that sealing structure of the utility model has sealing element fixation and sealing effect is good.
Description
Technical field
The utility model relates to solenoid directional control valve technical field more particularly to a kind of electromagnetic switch with sealing structure
Valve.
Background technique
Solenoid directional control valve is electromagnetically controlled commercial plant, is the automation foundation component for controlling fluid, often
The direction of fluid media (medium) is adjusted in industrial control system.Solenoid directional control valve is very important hydraulic control component, effect
It is to make each hydraulic fluid port connection of valve body in the intracorporal opposite operating position of valve by transformation valve core or disconnect, to control hydraulic execution
The commutation or start and stop of element (such as hydraulic stem, hydraulic motor).Spool is pushed directly on using the switching electricity of electromagnet to control
The connected state of hydraulic fluid port, that is, the control valve using electromagnetic attraction manipulation spool transposition direction.Wherein, solenoid directional control valve is
It prevents the fluid media (medium) in valve-rod cavity from leaking, influences the working performance of entire solenoid directional control valve, generally require to be equipped on valve rod
Sealing element, to achieve the purpose that prevent fluid media (medium) from leaking.
Although the sealing element of existing solenoid directional control valve have the function of it is above-mentioned prevent fluid media (medium) in valve-rod cavity from leaking,
It is that the sealing element of existing solenoid directional control valve is only wrapped around on valve rod, in solenoid directional control valve use process, be easy to cause close
Sealing displacement even falls off, and there are the technical problems of sealing element fixed effect difference.
Utility model content
The purpose of this utility model is to provide a kind of solenoid directional control valves with sealing structure, to alleviate in the prior art
The sealing element of solenoid directional control valve be only wrapped around on valve rod, there are the technical problems of sealing element fixed effect difference.
A kind of solenoid directional control valve with sealing structure provided by the utility model, including hydraulic fluid port, first seal, second
Sealing element, valve-rod cavity, the valve rod being slidably connected in the valve-rod cavity, the elastic component for being sleeved on the valve rod both ends and driving institute
State valve rod mobile the first electromagnetic coil and the second electromagnetic coil；
Along the axis direction of the valve rod, the first block piece, the first closure part, the second closure are successively arranged on the valve rod
Portion and the second block piece, and the first oil circuit mouth channel is formed between first blocking portion and first closure part, described
The second oil circuit mouth channel is formed between two blocking portions and second closure part；
Wherein, the first seal is fitted closely by the first fastener on first closure part, and described second
Sealing element is fitted closely by the second fastener on second closure part, and is thrown along the direction of the vertical valve rod axis
The projected size of shadow, the first seal and the second seal is not less than the projected size of the oil circuit mouth.
Further, along the direction projection of the vertical valve rod axis, the first seal and the second seal
Projected size be greater than the oil circuit mouth projected size.
Further, first closure part is equipped with the first groove, and the first seal is located in first groove；
Second closure part is equipped with the second groove, and the second seal is located in first groove.
Further, the first seal is equipped with third groove, and first fastener is located in the third groove；
The second seal is equipped with the 4th groove, and second fastener is located in the 4th groove.
Further, the valve rod is equipped with boss, and the valve rod cavity wall is equipped with protrusion, and the elastic component is located at institute
It states between boss and the protrusion.
Further, the elastic component is spring.
The utility model has the following beneficial effects:
The utility model provides a kind of solenoid directional control valve with sealing structure, this has the solenoid directional control valve of sealing structure
Including hydraulic fluid port, first seal, second seal, valve-rod cavity, the valve rod being slidably connected in valve-rod cavity, it is sleeved on valve rod both ends
Elastic component and mobile the first electromagnetic coil and the second electromagnetic coil of driving stem, along the axis direction of valve rod, valve rod according to
It is secondary to be equipped with the first block piece, the first closure part, the second closure part and the second block piece, wherein first seal is tight by first
Firmware is fitted closely on the first closure part, and second seal is fitted closely by the second fastener on the second closure part, and
One sealing element is firmly fitted in the surface of the first closure part under the action of the first fastener, and second seal is in the second fastening
Firmly be fitted in the surface of the second closure part under the action of part, this design method, when valve rod in valve-rod cavity motion process
In, the first fastener can prevent first seal from shifting or falling off, and the second fastener can prevent second seal from shifting
Or it falls off, and then improve sealing effect.
In addition to this, along the direction projection of vertical valve rod axis, since the projection of first seal and second seal is big
The small projected size not less than oil circuit mouth, therefore, first seal and second seal can be preferably close by the progress of oil circuit mouth
The case where sealing, preventing the fluid media (medium) in valve-rod cavity from leaking.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the solenoid directional control valve with sealing structure that the utility model embodiment one provides；
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Icon: 1- hydraulic fluid port；2- first seal；3- second seal；4- valve rod；5- elastic component；The first electromagnetic coil of 6-；
The second electromagnetic coil of 7-；The first block piece of 8-；The first closure part 9-；The second closure part 10-；The second block piece of 11-；12- first
Fastener；The second fastener of 13-；14- boss；15- protrusion.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As depicted in figs. 1 and 2, shown, a kind of solenoid directional control valve with sealing structure provided in this embodiment, including oil
Mouth 1, second seal 3, valve-rod cavity, the valve rod 4 being slidably connected in valve-rod cavity, is sleeved on 4 both ends of valve rod at first seal 2
Elastic component 5 and mobile the first electromagnetic coil 6 and the second electromagnetic coil 7 of driving stem 4.
Along the axis direction of valve rod 4, the first block piece 8, the first closure part 9, the second closure part 10 are successively arranged on valve rod 4
With the second block piece 11, and the first oil circuit mouth channel is formed between the first blocking portion and the first closure part 9, the second blocking portion and
The second oil circuit mouth channel is formed between two closure parts 10.
Wherein, first seal 2 is fitted closely by the first fastener 12 on the first closure part 9, and second seal 3 is logical
The second fastener 13 is crossed to fit closely on the second closure part 10, and along the direction projection of vertical 4 axis of valve rod, first seal
2 and second seal 3 projected size be not less than oil circuit mouth projected size.
The present embodiment provides a kind of solenoid directional control valve with sealing structure, hereinafter referred to as solenoid directional control valve, which is changed
Include hydraulic fluid port 1, first seal 2, second seal 3, valve-rod cavity, the valve rod 4 being slidably connected in valve-rod cavity, be sleeved on to valve
The elastic component 5 and driving stem 4 at 4 both ends of valve rod mobile the first electromagnetic coil 6 and the second electromagnetic coil 7, along the axis of valve rod 4
Direction is successively arranged the first block piece 8, the first closure part 9, the second closure part 10 and the second block piece 11 on valve rod 4, wherein
First seal 2 is fitted closely by the first fastener 12 on the first closure part 9, and second seal 3 passes through the second fastener
13 fit closely on the second closure part 10, and first seal 2 is firmly fitted in first under the action of the first fastener 12
The surface of closure part 9, second seal 3 are firmly fitted in the table of the second closure part 10 under the action of the second fastener 13
Face, this design method, when valve rod 4 is in valve-rod cavity in motion process, the first fastener 12 can prevent first seal 2 from moving
Position perhaps fall off the second fastener 13 can prevent second seal 3 shift or fall off, and then improve sealing effect.
In addition to this, along the direction projection of vertical 4 axis of valve rod, due to the projection of first seal 2 and second seal 3
Size is not less than the projected size of oil circuit mouth, therefore, first seal 2 and second seal 3 can preferably by oil circuit mouth into
The case where row seals, and prevents the fluid media (medium) in valve-rod cavity from leaking.
Wherein, the first fastener 12 and the second fastener 13 can be a variety of fasteners such as screw, pin rod, in the present embodiment
In, for the fastness that can be improved first seal 2 and second seal 3, it is preferable that first seal 2 and second seal 3
It can be circlip.
Wherein, along the direction projection of vertical 4 axis of valve rod, the projected size of first seal 2 and second seal 3 is greater than
The projected size of oil circuit mouth.
In the present embodiment, first seal 2 is at least partly bonded with 9 surface of the first closure part, and second seal 3 is at least
Part is bonded with 10 surface of the second closure part, for that can further prevent blocking when the first closure part 9 or the second closure part 10
When oil circuit mouth, the case where fluid media (medium) leaks in valve-rod cavity, it is preferable that along the direction projection of vertical 4 axis of valve rod, first
The projected size of sealing element 2 and second seal 3 is greater than the projected size of oil circuit mouth.
As shown in Figure 1, wherein the first closure part 9 is equipped with the first groove, and first seal 2 is located in the first groove, and second
Closure part 10 is equipped with the second groove, and second seal 3 is located in the first groove.
Specifically, first seal 2 can be fitted in 9 surface of the first closure part by the modes such as being bonded, being heat-treated, second
Sealing element 3 can be fitted in 10 surface of the second closure part by the modes such as being bonded, being heat-treated, in the present embodiment, for can be into
One step improve the fastness connected between first seal 2 and the first closure part 9 and second seal 3 and the second closure part 10 it
Between the fastness that connects, it is preferable that the first closure part 9 is equipped with the first groove, and first seal 2 is located in the first groove, second
Closure part 10 is equipped with the second groove, and second seal 3 is located in the first groove；The first groove also plays first seal 2 simultaneously
To position-limiting action, the second groove also plays position-limiting action to second seal 3, and then improves first seal 2 and the second sealing
The accuracy that part 3 connects.
As shown in Figure 1, wherein first seal 2 is equipped with third groove, and the first fastener 12 is located in third groove, the
Two sealing elements 3 are equipped with the 4th groove, and the second fastener 13 is located in the 4th groove.
First seal 2 is firmly bonded specifically, the first fastener 12 such as can be bolted, be bonded at the modes
On 9 surface of the first closure part, the modes such as the second fastener 13 can be bolted, be bonded are firm by second seal 3
Be fitted in 10 surface of the second closure part, in the present embodiment, for convenient between the first fastener 12 and first seal 2 assembly and
It is assembled between second fastener 13 and second seal 3, it is preferable that first seal 2 is equipped with third groove, the first fastener 12
In third groove, second seal 3 is equipped with the 4th groove, and the second fastener 13 is located in the 4th groove；Meanwhile third is recessed
Slot also plays the role of limit to the first fastener 12, and the 4th groove also plays limit to the second fastener 13, in turn
Improve the accuracy of the first fastener 12 and the assembly of the second fastener 13.
Please continue to refer to Fig. 1, wherein the first fastener 12 and first seal 2 are flushed with the surface of the first closure, the
The surface that two fasteners 13 and second seal 3 are blocked with second flushes, so that the first fastener 12, first seal
2 and first closure part 9 just like whole and the second fastener 13, second seal 3 and the second closure part 10 just like whole, mention
High sealing effect, meanwhile, it will not any obstruction situation of mobile generation to valve rod 4.
Please continue to refer to Fig. 1, wherein in the present embodiment, valve rod 4 is equipped with boss 14, and valve rod cavity wall is equipped with convex
15 are played, elastic component 5 is located between boss 14 and protrusion 15, when 6 driving stem 4 of the first electromagnetic coil is to close to the first electromagnetic coil
When 6 directions move, at this point, since elastic component 5 is located between boss 14 and protrusion 15, close to the bullet of the first electromagnetic coil 6
Property part 5 be in compressive state, when the first electromagnetic coil 6 power-off after, valve rod 4 can close to the first electromagnetic coil 6 elastic component 5
Restore under the action of elastic force to initial position, and then realizes after the power-off of the first electromagnetic coil 6, the operation that valve rod 4 resets；It leans on
The effect of the elastic component 5 of nearly second electromagnetic coil 7 is identical as close to the effect of the first electromagnetic coil 6, and details are not described herein.
Specifically, in the present embodiment, elastic component 5 is spring.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of solenoid directional control valve with sealing structure, which is characterized in that including hydraulic fluid port, first seal, second seal,
Valve-rod cavity, the valve rod being slidably connected in the valve-rod cavity, the elastic component for being sleeved on the valve rod both ends and the driving valve rod
Mobile the first electromagnetic coil and the second electromagnetic coil；
Along the axis direction of the valve rod, be successively arranged on the valve rod the first block piece, the first closure part, the second closure part and
Second block piece, and the first oil circuit mouth channel is formed between first blocking portion and first closure part, second resistance
The second oil circuit mouth channel is formed between stopper and second closure part；
Wherein, the first seal is fitted closely by the first fastener on first closure part, and described second seals
Part is fitted closely by the second fastener on second closure part, and along the direction projection of the vertical valve rod axis, institute
The projected size for stating first seal and the second seal is not less than the projected size of the oil circuit mouth.
2. the solenoid directional control valve according to claim 1 with sealing structure, which is characterized in that along the vertical stem shaft
The projection that the projected size of the direction projection of line, the first seal and the second seal is greater than the oil circuit mouth is big
It is small.
3. the solenoid directional control valve according to claim 1 with sealing structure, which is characterized in that first closure part is set
There is the first groove, the first seal is located in first groove；
Second closure part is equipped with the second groove, and the second seal is located in first groove.
4. the solenoid directional control valve according to claim 1 with sealing structure, which is characterized in that the first seal is set
There is third groove, first fastener is located in the third groove；
The second seal is equipped with the 4th groove, and second fastener is located in the 4th groove.
5. the solenoid directional control valve according to claim 1-4 with sealing structure, which is characterized in that the valve rod
It is equipped with boss, the valve rod cavity wall is equipped with protrusion, and the elastic component is located between the boss and the protrusion.
6. the solenoid directional control valve according to claim 5 with sealing structure, which is characterized in that the elastic component is bullet
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821105441.8U CN208651699U (en) | 2018-07-12 | 2018-07-12 | Solenoid directional control valve with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821105441.8U CN208651699U (en) | 2018-07-12 | 2018-07-12 | Solenoid directional control valve with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651699U true CN208651699U (en) | 2019-03-26 |
Family
ID=65784080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821105441.8U Expired - Fee Related CN208651699U (en) | 2018-07-12 | 2018-07-12 | Solenoid directional control valve with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939755A (en) * | 2019-12-09 | 2020-03-31 | 徐州阿马凯液压技术有限公司 | Electromagnetic direct-drive reversing multi-way valve |
| CN114183561A (en) * | 2021-11-30 | 2022-03-15 | 北京卫星制造厂有限公司 | Valve core of reversing valve and electromagnetic reversing valve comprising same |
-
2018
- 2018-07-12 CN CN201821105441.8U patent/CN208651699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939755A (en) * | 2019-12-09 | 2020-03-31 | 徐州阿马凯液压技术有限公司 | Electromagnetic direct-drive reversing multi-way valve |
| CN114183561A (en) * | 2021-11-30 | 2022-03-15 | 北京卫星制造厂有限公司 | Valve core of reversing valve and electromagnetic reversing valve comprising same |
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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: 20190326 Termination date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |