CN205532974U - High -speed long -life solenoid valve formula pulsation fluid measurement sprayer and worker's shape case thereof - Google Patents
High -speed long -life solenoid valve formula pulsation fluid measurement sprayer and worker's shape case thereof Download PDFInfo
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- CN205532974U CN205532974U CN201620079529.1U CN201620079529U CN205532974U CN 205532974 U CN205532974 U CN 205532974U CN 201620079529 U CN201620079529 U CN 201620079529U CN 205532974 U CN205532974 U CN 205532974U
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- 239000012530 fluid Substances 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 title abstract 2
- 230000010349 pulsation Effects 0.000 title abstract 2
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 150000001721 carbon Chemical class 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a high -speed long -life solenoid valve formula pulsation fluid measurement sprayer and worker's shape case thereof, relates to a sprayer and case, and the case wholly comprises the main aspects case body, the tip case body, and the external shape of main aspects case is I -shaped structure, and this 1 surface of main aspects case body divide into first cylindrical section, annular groove section, second cylindrical section in proper order, the length A of first cylindrical section and the length C of second cylindrical section are about equally, annular groove segment length B is greater than first cylindrical section length A or second cylindrical section length C, the wall thickness of first cylindrical section, second cylindrical section is wall thickness D, and this wall thickness D is greater than the thick E of annular recess wall of twice, the surface of case be equipped with carbon from lubricant coating. The sprayer includes electrode, casing, disk seat, sealed steel ball, magnetic conduction axle, case, return spring, solenoid, connecting rod etc, the case be above -mentioned worker's shape case. The utility model discloses a response speed is high, long service life, and product stability is high, easily uses widely.
Description
Technical field
The utility model relates to a kind of injector and spool thereof, especially a kind of high speed long-life electromagnetic valve type pulsating fluid metering injector and work shape spool thereof.
Background technology
High speed long-life electromagnetic valve type pulsating fluid metering injector be widely used in engine fuel metered injection and viscosity relatively low other fluid metering injection, at present engineer applied product is because of structure and the limitation of technology, shows that its response speed is low, service life is short.Being in particular in the reasonability of the structure of product valve core movement parts, magnetic circuit and surface quality etc., due to advanced simulation software and the development of surface-coating technology, this type of infrastructure product awaits comprehensively improving its properties of product characteristic and life-span.Therefore, existing product is not already adapted to the technology growth requirement of Modern Engine.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of response speed height, the high speed long-life electromagnetic valve type pulsating fluid metering injector of length in service life and work shape spool thereof, to adapt to the technology growth requirement of Modern Engine.
The technical scheme solving above-mentioned technical problem is: a kind of work shape spool, it is monolithically fabricated by big end valve core body, small end valve core, the endoporus of big end valve core body is provided with return spring, and the end of small end valve core connects sealing steel ball, and described big end valve core-shape is I-shaped structure.
Further technical scheme of the present utility model is: described big end valve core outer surface is divided into the first cylindrical section, annular groove section, the second cylindrical section vertically.
Further technical scheme of the present utility model is: length A of the first described cylindrical section and length C of the second cylindrical section are roughly equal；Described annular groove segment length B is more than the first cylindrical section length A or the second cylindrical section length C.
Further technical scheme of the present utility model is: described the first cylindrical section, the wall thickness of the second cylindrical section are wall thickness D, and this wall thickness D is more than the annular groove wall thickness E of twice.
Further technical scheme of the present utility model is: described the first cylindrical section, the outer surface of the second cylindrical section are provided with carbon self-lubricating coat in use.
Of the present utility model another solution is that a kind of high speed long-life electromagnetic valve type pulsating fluid metering injector, including electrode, housing, valve seat, sealing steel ball, magnetic conductive axis, spool, return spring, solenoid, connecting rod, described spool is above-mentioned work shape spool.
Owing to using said structure, the high speed long-life electromagnetic valve type pulsating fluid metering injector of the utility model and work shape spool thereof compared with prior art, have the advantages that
1. response speed is high:
Owing to work shape spool of the present utility model is monolithically fabricated by big end valve core body, small end valve core, the biggest end valve core-shape is I-shaped structure.The structure design of this I shape does not affect the magnetic flux of magnetic circuit while of not only alleviating the quality of spool, according to Newtonian mechanics second law, under identical active force, the least acceleration of quality is the biggest, and the response time under move distance same case is the shortest.Therefore, spool of the present utility model is compared with existing cylindrical valve spool, and under identical electromagnetic force, acceleration is more than existing cylindrical valve spool, thus shortens the response time, is greatly improved the response speed of magnetic valve.
In addition, further, owing to the outer surface of work shape spool of the present utility model is provided with carbon self-lubricating coat in use, this carbon self-lubricating coat in use has at a relatively high hardness, make spool during long-term work, there is high response speed and the repeatable accuracy of high response time.
2. the life-span is long:
Owing to big end valve core body, the small end valve core outer surface of work shape spool of the present utility model are provided with carbon self-lubricating coat in use, this carbon self-lubricating coat in use has and drops to extremely low by the coefficient of friction of body surface, thus greatly reduce the frictional force of spool and its component, effectively extend the service life of product.
3. stability is high:
The big end valve core body of work shape spool of the present utility model, small end valve core outer surface are provided with carbon self-lubricating coat in use, and this carbon self-lubricating coat in use can reduce the frictional force of spool and its component, thus improves the stability of valve core movement.
The most rational in infrastructure reliably:
Big end valve core outer surface is divided into the first cylindrical section, annular groove section, the second cylindrical section by work shape spool of the present utility model vertically, and wherein length A of the first cylindrical section and length C of the second cylindrical section are roughly equal；Annular groove segment length B is more than the first cylindrical section length A or the second cylindrical section length C；Additionally, the wall thickness of the first cylindrical section, the second cylindrical section is wall thickness D, this wall thickness D is more than the annular groove wall thickness E of twice.The utility model passes through above-mentioned optimizing structure design, can fully ensure that the structural reliability of spool, it is easy to promote the use of.
In sum, technology of the present utility model change is proved during actual product uses, and the utility model improves properties of product characteristic and life-span thereof all sidedly.
Below, in conjunction with the accompanying drawings and embodiments the high speed long-life electromagnetic valve type pulsating fluid metering injector of the utility model and the technical characteristic of work shape spool thereof are further described.
Accompanying drawing explanation
The structural representation (connection has the state sealing steel ball) of the work shape spool of the utility model described in Fig. 1: embodiment one；
The magnetic flux schematic diagram (connection has the state sealing steel ball) of the work shape spool of the utility model described in Fig. 2: embodiment one；
The magnetic flux schematic diagram of Fig. 3: existing cylindrical valve spool.
The structural representation of the high speed long-life electromagnetic valve type pulsating fluid metering injector of the utility model described in Fig. 4: embodiment two.
In above-mentioned accompanying drawing, being described as follows of each label:
1-electrode；2-housing；3-electrode suppor, 4-flux sleeve；5-sealing ring；
6-valve seat；7-flow deflector；8-seals steel ball；9-electromagnetic axis；
10-work shape spool, 101-big end valve core body,
1011-the first cylindrical section, 1012-annular groove section, 1013-the second cylindrical section,
102-small end valve core, 103-carbon self-lubricating coat in use；
11-return spring；12-solenoid；13-electromagnetic loop bracket；14-return spring position-limiting tube；
15-connecting rod；16-filter screen；17-sealing ring；18-plug,
The existing cylindrical valve spool of 19-, the K-magnetic line of force.
Detailed description of the invention
Embodiment one:
A kind of work shape spool 10, it is monolithically fabricated by big end valve core body 101, small end valve core 102, the endoporus of big end valve core body 101 is provided with return spring 11, the end of small end valve core 102 connects sealing steel ball 8, described big end valve core body 101 profile is I-shaped structure, and its outer surface is divided into the first cylindrical section 1011, annular groove section the 1012, second cylindrical section 1013 vertically.
Length A of the first described cylindrical section 1011 and length C of the second cylindrical section 1013 are equal；Annular groove section 1012 length B is more than the first cylindrical section 1011 length A or the second cylindrical section 1013 length C, and this annular groove section 1012 length B is the first cylindrical section 1011 length A or 1.8 times of the second cylindrical section 1013 length C.The wall thickness of first cylindrical section the 1011, second cylindrical section 1013 is wall thickness D, and this wall thickness D is 2.3 times of annular groove wall thickness E, and the external diameter φ 1 of the first cylindrical section 1011 or the second cylindrical section 1013 is 1.6 times of endoporus aperture φ 2.
The outer surface of above-mentioned spool 10 is provided with carbon self-lubricating coat in use 103, and the outer surface of i.e. first cylindrical section the 1011, second cylindrical section 1013 is provided with carbon self-lubricating coat in use 103.
A kind of conversion as the present embodiment one, the structural parameters of described big end valve core body 101 can also change, it is i.e. that annular groove section 1012 length B is more than 2 times of annular groove wall thickness E more than the first cylindrical section 1011 length A or the second cylindrical section 1013 length C, wall thickness D.
Embodiment two:
A kind of high speed long-life electromagnetic valve type pulsating fluid metering injector, including electrode 1, housing 2, electrode suppor 3, flux sleeve 4, sealing ring 5, valve seat 6, flow deflector 7, seals steel ball 8, electromagnetic axis 9, spool, return spring 11, solenoid 12, electromagnetic loop bracket 13, return spring position-limiting tube 14, connecting rod 15, filter screen 16, sealing ring 17, plug 18；Wherein, described spool is the work shape spool 10 described in embodiment one.
The operation principle of this high speed long-life electromagnetic valve type pulsating fluid metering injector is as follows:
In this injector, connecting rod 15 and magnetic conductive axis 9 have been interconnected to form fluid passage；Fluid is cleaned filtering by filter screen 16；Sealing ring 17, sealing ring 5 are for sealing with external connection；Seal steel ball 8, valve seat 6 composition seals structure；Flow deflector 7 is used for measuring fluid.
Pulsating control signal is input to solenoid 12 by electrode 1, in the electromagnetic circuit that flux sleeve 4 and magnetic conductive axis 9 are formed, when fluctuating signal is high level input, electromagnetic circuit produces electromagnetic field, work shape spool 10 produces electromagnetic force under the effect of electromagnetic field and overcomes the elastic force of return spring 11, then injector is in the state opened；When fluctuating signal is low level, electromagnetic circuit does not produce magnetic force, and work shape spool 10 injector under the effect of return spring 11 is closed.The response speed of this injector is determined by the acceleration of motion of work shape spool, and the metering precision of injector and life-span are determined by the run duration repeatable accuracy of work shape spool 10.
Claims (6)
1. work shape spool (10), it is monolithically fabricated by big end valve core body (101), small end valve core (102), the endoporus of big end valve core body (101) is provided with return spring (11), the end of small end valve core (102) connects sealing steel ball (8), it is characterised in that: described big end valve core body (101) profile is I-shaped structure.
Work shape spool the most according to claim 1, it is characterised in that: described big end valve core body (101) outer surface is divided into the first cylindrical section (1011), annular groove section (1012), the second cylindrical section (1013) vertically.
Work shape spool the most according to claim 2, it is characterised in that: length A of described the first cylindrical section (1011) and length C of the second cylindrical section (1013) are roughly equal；Described annular groove section (1012) length B is more than the first cylindrical section (1011) length A or the second cylindrical section (1013) length C.
Work shape spool the most according to claim 2, it is characterised in that: described the first cylindrical section (1011), the wall thickness of the second cylindrical section (1013) are wall thickness D, and this wall thickness D is more than the annular groove wall thickness E of twice.
Work shape spool the most according to claim 2, it is characterised in that: described the first cylindrical section (1011), the outer surface of the second cylindrical section (1013) are provided with carbon self-lubricating coat in use (103).
6. a high speed long-life electromagnetic valve type pulsating fluid metering injector, including electrode (1), housing (2), valve seat (6), seal steel ball (8), magnetic conductive axis (9), spool, return spring (11), solenoid (12), connecting rod (15), it is characterised in that: described spool is that claim 1 is to work shape spool (10) described in claim 5 any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620079529.1U CN205532974U (en) | 2016-01-27 | 2016-01-27 | High -speed long -life solenoid valve formula pulsation fluid measurement sprayer and worker's shape case thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620079529.1U CN205532974U (en) | 2016-01-27 | 2016-01-27 | High -speed long -life solenoid valve formula pulsation fluid measurement sprayer and worker's shape case thereof |
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| CN205532974U true CN205532974U (en) | 2016-08-31 |
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| CN201620079529.1U Active CN205532974U (en) | 2016-01-27 | 2016-01-27 | High -speed long -life solenoid valve formula pulsation fluid measurement sprayer and worker's shape case thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508112A (en) * | 2016-01-27 | 2016-04-20 | 柳州源创电喷技术有限公司 | High-speed electromagnetic valve type ejector with pulsation fluid metering function and long service life and H-shaped valve spool of high-speed electromagnetic valve type ejector |
-
2016
- 2016-01-27 CN CN201620079529.1U patent/CN205532974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508112A (en) * | 2016-01-27 | 2016-04-20 | 柳州源创电喷技术有限公司 | High-speed electromagnetic valve type ejector with pulsation fluid metering function and long service life and H-shaped valve spool of high-speed electromagnetic valve type ejector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-speed electromagnetic valve type ejector with pulsation fluid metering function and long service life and H-shaped valve spool of high-speed electromagnetic valve type ejector Effective date of registration: 20170904 Granted publication date: 20160831 Pledgee: Liuzhou small and micro enterprises financing Company limited by guarantee Pledgor: Liuzhou Yuanchuang EFI Technology Co., Ltd. Registration number: 2017450000006 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180830 Granted publication date: 20160831 Pledgee: Liuzhou small and micro enterprises financing Company limited by guarantee Pledgor: Liuzhou Yuanchuang EFI Technology Co., Ltd. Registration number: 2017450000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-speed electromagnetic valve type ejector with pulsation fluid metering function and long service life and H-shaped valve spool of high-speed electromagnetic valve type ejector Effective date of registration: 20180903 Granted publication date: 20160831 Pledgee: Liuzhou small and micro enterprises financing Company limited by guarantee Pledgor: Liuzhou Yuanchuang EFI Technology Co., Ltd. Registration number: 2018450000025 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190902 Granted publication date: 20160831 Pledgee: Liuzhou small and micro enterprises financing Company limited by guarantee Pledgor: Liuzhou Yuanchuang EFI Technology Co., Ltd. Registration number: 2018450000025 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-speed electromagnetic valve type ejector with pulsation fluid metering function and long service life and H-shaped valve spool of high-speed electromagnetic valve type ejector Effective date of registration: 20190904 Granted publication date: 20160831 Pledgee: Guangxi Liuzhou SME Financing Guarantee Co., Ltd. Pledgor: Liuzhou Yuanchuang EFI Technology Co., Ltd. Registration number: Y2019450000011 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210305 Granted publication date: 20160831 Pledgee: Guangxi Liuzhou SME Financing Guarantee Co.,Ltd. Pledgor: LIUZHOU YUANCHUANG EFI TECHNOLOGY Co.,Ltd. Registration number: Y2019450000011 |