CN204082734U - Digital valve - Google Patents
Digital valve Download PDFInfo
- Publication number
- CN204082734U CN204082734U CN201420394320.5U CN201420394320U CN204082734U CN 204082734 U CN204082734 U CN 204082734U CN 201420394320 U CN201420394320 U CN 201420394320U CN 204082734 U CN204082734 U CN 204082734U
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- China
- Prior art keywords
- valve body
- armature
- valve
- level
- iron core
- 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 - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 73
- 230000003068 static effect Effects 0.000 claims abstract description 45
- 239000000945 filler Substances 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a kind of digital valve being used as hydraulic High-speed switch.For solving the large and problem that working life is shorter of low-response when selector valve is used as hydraulic switch, noise, the utility model proposes a kind of digital valve, comprising valve body, armature, two rubber seals, static iron core, spring, buting iron and two binding screws.Valve body is three grades of hollow type structures, and filler opening is offered in first order valve body bottom surface, and two symmetric side set out hydraulic fluid port; Static iron core is column structure, and middle part arranges through hole and places spring, and buting iron is arranged in the valve body of the second level, and buting iron and third level valve body offer two through holes to arrange binding screw; Armature is cascade column structure, and one end to be arranged in first order valve body and by oil outlet shutoff, is arranged between armature bottom surface in the valve body of the second level and static iron core and arranges rubber seal, arrange rubber seal between end face and second level valve interior wall.Use the utility model digital valve, the frequency response speed of digital valve can be accelerated, can abate the noise, increase the service life.
Description
Technical field
The utility model relates to a kind of digital valve, particularly relates to a kind of for speed-sensitive switch bi-bit bi-pass digital valve.
Background technique
Digital valve has application in industries such as automobile, water power speed governing, various engineering machinery, rectification machine, lathe, space flight and military projects.Meanwhile, digital valve also has a lot of engineer applied in hydraulic element field.Such as, employing high-speed switch valve is the hydraulic proportional throttling two-way plug-in valve of pilot valve, and using digital valve as the pilot valve of cone logic valve, being operated in dutycycle by allowing digital valve is Linear control range, can realize controlling the linear scale compared with large discharge of cone valve.And if bi-bit bi-pass digital valve is applied in hydraulic system as hydraulic High-speed switch, because the frequency response of this bi-bit bi-pass digital valve is fast, therefore the speed of response of system can speed, and the proportional control of system can be more accurate.
Digital valve as hydraulic High-speed switch makes the output mean flowrate of valve different by dutycycle (ratio of the time that this digital valve opens and closes) difference, thus realize the function of Flow-rate adjustment, and its essence also can be regarded as a kind of throttle valve.Digital valve as hydraulic High-speed switch is made up of hydraulic switching valve, electromagnetic actuator and driving amplifier three parts, driving amplifier amplifies electromagnetic signal, then unlatching or the closedown of hydraulic control switch valve (i.e. bi-bit bi-pass selector valve) is come by electromagnetic actuator, thus control the break-make of fluid, realize its flow regulating function.
As the digital valve of speed-sensitive switch and the fundamental difference of general selector valve be: as the frequency response time requirement of the digital valve of speed-sensitive switch at several milliseconds, or even one millisecond, and the frequency response time of general selector valve is hundreds of millisecond, therefore common selector valve is used as hydraulic switch and can cannot realizes fast break-make continuously due to low-response.Simultaneously, the frequency response of valve is faster, the cycle that in valve, armature moves reciprocatingly is less, but the motion path of armature and displacement size constant, therefore frequency response is faster, the cycle that armature moves reciprocatingly is shorter, the movement velocity of armature is faster, and the inertial force of generation is larger, and the collision frequency between armature and valve body is larger, reduce the working life of armature, and larger noise can be produced.
Model utility content
For solving the comparatively large and problem that working life is shorter of low-response when selector valve is used as hydraulic switch, noise, the utility model proposes a kind of digital valve, this digital valve comprises valve body, armature, two rubber seals, static iron core, spring, buting iron and two binding screws.
Described valve body is three grades of hollow type structures, wherein, first order valve body width is minimum, second level valve body width is maximum, and first order valve body and second level valve body are integral type structure, the bottom surface of first order valve body offers filler opening, two symmetric side all offer oil outlet on the position of described filler opening;
Described static iron core is column structure, it is wound with wire and forms coil, and described static iron core is arranged on middle part in the valve body of the second level, through hole is provided with to place described spring in the middle part of described static iron core, described buting iron is arranged in the valve body of a second level and side end face and contacts with third level valve body, and on the corresponding position of described buting iron and third level valve body, symmetry offers two through holes to arrange two described binding screws;
Described armature is cascade column structure, and be arranged in first order valve body and second level valve body, one end diameter of described armature is identical with first order valve block internal diameter, to be arranged in first order valve body and will to be arranged on the oil outlet shutoff of first order valve body both sides; The diameter of the described armature the other end is identical with second level valve block internal diameter, is arranged in the valve body of the second level; A described rubber seal is set between the contact segment of described armature and described static iron core, also be provided with a described rubber seal between the top of described armature in the valve body of the second level and the contact segment of described second level valve interior wall, described in be positioned at the bottom of the armature of second level valve body and described static iron core spring interface touch.
During use, described wire is connected on another binding screw after a binding screw extraction is wound in coil, when after described binding screw energising, described static iron core and the coil be wrapped on described static iron core form electromagnet, attraction force is produced to described armature, described armature is made to overcome described spring force, and compress described spring, to the motion of described static iron core direction, thus described filler opening is communicated with described oil outlet, open this digital valve, working medium (as hydraulic oil or gas etc.) can from as described in filler opening enter and from as described in oil outlet discharge.After described digital valve is opened completely, when described armature motion is to the extreme position of opening state, described armature contacts with the rubber seal be arranged between static iron core and armature, avoid described armature directly to contact and situation about colliding with described static iron core, eliminate the noise that collision produces, extend the working life of armature simultaneously.When after described binding screw power-off, not generation current in described coil, magnetic field cannot be formed, attraction force can not be produced to described armature, then described armature is under the elastic force effect of described spring, gets back to initial position, blocks being communicated with between described filler opening with described oil outlet, close this digital valve, working medium cannot circulate.After described digital valve is closed completely, described armature motion is to the extreme position of closed state, now described armature contacts with the rubber seal be arranged between second level valve interior wall and armature, avoid described armature directly to contact and situation about colliding with described valve interior wall, eliminate the noise that collision produces, extend the working life of described armature simultaneously.And this digital valve is when continuous break-make, described armature does high speed to-and-fro motion, can produce comparatively Great inertia power, and when described armature and described rubber seal collide, described rubber seal can produce certain spring-back force, accelerates the frequency response speed of this digital valve.
Use the utility model digital valve, can not only eliminate described armature when high speed to-and-fro motion and described valve body to collide the noise produced, extend the working life of described armature, thus extend the working life of this digital valve, the speed of response of described digital valve can also be accelerated simultaneously, this digital valve is applied in more occasion and goes.
Preferably, described static iron core is provided with groove, described wire is wrapped in described groove.Described groove can limit the position of described wire, and described wire is more stably worked.
Further, be provided with lead frame in the groove on described static iron core, described wire is wrapped on described lead frame.Described wire is wrapped on described lead frame, and wire is fixed in described lead frame, and the vibrations avoided because of armature to-and-fro motion generation cause wire to misplace, and cause magnetic field unstable, affect the attraction to armature.Protect wire largely simultaneously, increase the working life of wire.
Further, described static iron core is provided with two connection path, described wire is connected to another binding screw from passing in another connection path after the binding screw connection path of drawing through corresponding position is wound in coil.Protect described wire largely, ensure that the normal work of this digital valve.
Preferably, described armature is hollow structure, alleviates armature quality, and the suction that electromagnet is produced can more effectively act in the course of action of described armature, accelerate the speed of response of described armature, thus make the speed of response of this digital valve more quick.
Preferably, on two described rubber seals inwall of being secured at described second level valve body respectively and described static iron core.Described rubber seal is secured on described valve interior wall, avoids described rubber seal and is driven by described armature in the process contacted with described armature, thus rub with described armature, thus extend the working life of described rubber seal.
Preferably, the material of described static iron core is Fe-based amorphous material.Fe-based amorphous material has higher saturation induction density and lower coercivity, can improve the efficiency of device, reduces the wastage and have good temperature stability and aging stability etc.Therefore with this material as after static iron core, the utility model digital valve can shorten greatly to the response time of Computer signal, be used as proportional control time, control fluid can be more accurate.
The utility model digital valve not only solves the problem that noise is large, the life-span is short that traditional bi-bit bi-pass digital valve being used as hydraulic High-speed field of switches is in use brought, also accelerate the response time of digital valve simultaneously to a certain extent, increase the application area of this digital valve.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model digital valve.
Embodiment
As shown in Figure 1, digital valve of the present utility model comprises valve body 1, armature 2, two rubber seals 3, static iron core 4, spring 5, buting iron 6 and two binding screws 7.
Valve body 1 is three grades of hollow type structures, wherein, first order valve body 101 width is minimum, second level valve body 102 width is maximum, and first order valve body 101 and second level valve body 102 are integral type structure, the bottom surface of first order valve body 101 offers filler opening 111, two symmetric side all offer oil outlet 112 on the position of filler opening 111;
The static iron core 4 that Fe-based amorphous material makes is column structure, be provided with groove 401 and two connection path 402, lead frame 411 is provided with in groove 401, wire 403 is wrapped on lead frame 411 and forms coil, static iron core 4 is arranged on middle part in second level valve body 102, the middle part of static iron core 4 is provided with through hole 404 to place spring 5, buting iron 6 is arranged in a second level valve body 102 and side end face and contacts with third level valve body 103, and on the corresponding position of buting iron 6 and third level valve body 103, symmetry offers two through holes to arrange two binding screws 7;
Armature 2 is the cascade column structure of inner hollow, be arranged in first order valve body 101 and second level valve body 102, one end diameter of armature 2 is identical with the internal diameter of first order valve body 101, and to be arranged in first order valve body 101 and by oil outlet 112 shutoff of first order valve body 101 both sides; The diameter of armature 2 the other end is identical with the internal diameter of second level valve body 102, and is arranged in second level valve body 102; A rubber seal 3 is provided with between the contact segment of armature 2 and static iron core 4, also be provided with on inwall and static iron core 4 that a rubber seal 3, two rubber seals 3 are secured at second level valve body 102 respectively between the contact segment of the top of the armature 2 in second level valve body 102 and the inwall of second level valve body 102; The spring 5 of the bottom and static iron core 4 that are positioned at the armature 2 of second level valve body 102 contacts.Spring 5 is arranged between armature 2 and static iron core 4, and when spring 5 is in free state, the armature 2 being positioned at first order valve body 101, by oil outlet 112 shutoff, closes described digital valve; After spring 5 is compressed, armature 2 moves to the direction of static iron core 4, is opened by oil outlet 112 gradually, opens described digital valve.
During use, wire 403 is drawn from a binding screw 7, pass in another connection path 402 after being wound in coil through the connection path 402 of corresponding position on lead frame 411, be connected on another binding screw 7, after binding screw 7 is energized, static iron core 4 and the coil be wrapped on static iron core 4 form electromagnet, attraction force is produced to armature 2, armature 2 is made to overcome the elastic force of spring 5, and spring 5 is compressed, move to static iron core 4 direction, thus filler opening 111 is communicated with oil outlet 112, open this digital valve, working medium (as hydraulic oil or gas etc.) can enter from filler opening 111 and discharge from oil outlet 112.After digital valve is opened completely, when armature 2 moves to the extreme position of opening state, armature 2 contacts with the rubber seal 3 be arranged on static iron core 4, avoid armature 2 directly to contact and situation about colliding with static iron core 4, eliminate the noise that collision produces, extend the working life of armature 2 simultaneously.When after binding screw 7 power-off, not generation current in coil, cannot form magnetic field, can not produce attraction force to armature 2, then armature 2 is under the elastic force effect of spring 5, gets back to initial position, block filler opening 111 and being communicated with between oil outlet 112, close this digital valve, working medium cannot circulate.After this digital valve is closed completely, armature 2 moves to the extreme position of closed state, now armature 2 contacts with another rubber seal 3 on the inwall being arranged on second level valve body 102, avoid armature 2 directly to contact and situation about colliding with the inwall of second level valve body 102, eliminate the noise that collision produces, extend the working life of armature 2 simultaneously.And this digital valve is when continuous break-make, armature 2 does high speed to-and-fro motion, can produce comparatively Great inertia power, and when armature 2 collides with rubber seal 3, rubber seal 3 can produce certain spring-back force, accelerates the frequency response speed of this digital valve.
Claims (7)
1. a digital valve, is characterized in that, this digital valve comprises valve body, armature, two rubber seals, static iron core, spring, buting iron and two binding screws;
Described valve body is three grades of hollow type structures, wherein, first order valve body width is minimum, second level valve body width is maximum, and first order valve body and second level valve body are integral type structure, the bottom surface of first order valve body offers filler opening, two symmetric side all offer oil outlet on the position of described filler opening;
Described static iron core is column structure, it is wound with wire and forms coil, and described static iron core is arranged on middle part in the valve body of the second level, through hole is provided with to place described spring in the middle part of described static iron core, described buting iron is arranged in the valve body of a second level and side end face and contacts with third level valve body, and on the corresponding position of described buting iron and third level valve body, symmetry offers two through holes to arrange two described binding screws;
Described armature is cascade column structure, and be arranged in first order valve body and second level valve body, one end diameter of described armature is identical with first order valve block internal diameter, to be arranged in first order valve body and will to be arranged on the oil outlet shutoff of first order valve body both sides; The diameter of the described armature the other end is identical with second level valve block internal diameter, is arranged in the valve body of the second level; A described rubber seal is set between the contact segment of described armature and described static iron core, also be provided with a described rubber seal between the top of described armature in the valve body of the second level and the contact segment of described second level valve interior wall, described in be positioned at the bottom of the armature of second level valve body and described static iron core spring interface touch.
2. digital valve according to claim 1, is characterized in that, described static iron core is provided with groove, and described wire is wrapped in described groove.
3. digital valve according to claim 2, is characterized in that, is provided with lead frame in the groove of described static iron core, and described wire is wrapped on described lead frame.
4. according to the digital valve in claim 1-3 described in any one, it is characterized in that, described static iron core is provided with two connection path, described wire is connected to another binding screw from passing in another connection path after the binding screw connection path of drawing through corresponding position is wound in coil.
5. digital valve according to claim 1, is characterized in that, described armature is hollow structure.
6. digital valve according to claim 1, is characterized in that, on the inwall that two described rubber seals are secured at described second level valve body respectively and described static iron core.
7. digital valve according to claim 1, is characterized in that, the material of described static iron core is Fe-based amorphous material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394320.5U CN204082734U (en) | 2014-07-16 | 2014-07-16 | Digital valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394320.5U CN204082734U (en) | 2014-07-16 | 2014-07-16 | Digital valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082734U true CN204082734U (en) | 2015-01-07 |
Family
ID=52175457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420394320.5U Expired - Lifetime CN204082734U (en) | 2014-07-16 | 2014-07-16 | Digital valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235320A (en) * | 2021-12-21 | 2022-03-25 | 中国科学技术大学 | Alternating current electromagnet type vibration loading device and method |
| CN114279663A (en) * | 2021-12-21 | 2022-04-05 | 中国科学技术大学 | Direct-current electromagnet type vibration loading device and method |
-
2014
- 2014-07-16 CN CN201420394320.5U patent/CN204082734U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235320A (en) * | 2021-12-21 | 2022-03-25 | 中国科学技术大学 | Alternating current electromagnet type vibration loading device and method |
| CN114279663A (en) * | 2021-12-21 | 2022-04-05 | 中国科学技术大学 | Direct-current electromagnet type vibration loading device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |