CN204591530U - A kind of injection valve - Google Patents
A kind of injection valve Download PDFInfo
- Publication number
- CN204591530U CN204591530U CN201520303805.3U CN201520303805U CN204591530U CN 204591530 U CN204591530 U CN 204591530U CN 201520303805 U CN201520303805 U CN 201520303805U CN 204591530 U CN204591530 U CN 204591530U
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- valve core
- buffer stopper
- injection valve
- coil rack
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 title claims abstract description 32
- 239000011521 glass Substances 0.000 claims abstract description 20
- 239000004579 marble Substances 0.000 claims abstract description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000001680 brushing effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides a kind of injection valve, belongs to field of mechanical technique.It solve the problem of existing injection valve complex structure, poor reliability.This injection valve comprises outer magnetic pole, lower contact, upper magnetic pole and coil rack, upper magnetic pole is plugged in outer magnetic pole upper end, coil rack is in outer magnetic pole and be provided with coil between coil rack and outer magnetic pole, upper magnetic pole inserts intrinsic internal magnetic pole and internal magnetic pole stretches in coil rack upper end, small valve core is inserted with and the end of exposing at small valve core is provided with rubber pad in coil rack lower end, lower contact is plugged in outer magnetic pole lower end and lower contact one end is resisted against on rubber pad, buffer stopper and cushion block is provided with and described buffer stopper and cushion block are positioned at coil rack between small valve core and internal magnetic pole, small valve core axially offers a through hole, in through hole, spring be installed and be respectively equipped with glass marble at both ends of the spring, two glass marbles are resisted against on rubber pad and buffer stopper respectively.The utility model has the advantage that structure is simple, reliability is high.
Description
Technical field
The utility model belongs to field of mechanical technique, particularly a kind of injection valve.
Background technique
In order to protection of the environment, domestic and international carbon emission regulation increasingly stringent.At present, on gas internal-combustion engine, adopting intake manifold electric-controlled injection control valve unit to replace traditional mixer apparatus becomes trend of the times.When traditional mixer apparatus easily causes valve overlap, a large amount of unburned mixed gas is discharged, and can not meet the requirement of motor discharge.
Existing injection valve also exists the problem of complex structure, poor reliability.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the injection valve that a kind of structure is simple, reliability is high.
The purpose of this utility model realizes by following technical proposal: a kind of injection valve, comprise outer magnetic pole, lower contact, upper magnetic pole and coil rack, upper magnetic pole is plugged in outer magnetic pole upper end, coil rack is in outer magnetic pole and be provided with coil between coil rack and outer magnetic pole, upper magnetic pole inserts intrinsic internal magnetic pole and internal magnetic pole stretches in coil rack upper end, small valve core is inserted with and the end of exposing at small valve core is provided with rubber pad in coil rack lower end, lower contact is plugged in outer magnetic pole lower end and lower contact one end is resisted against on rubber pad, it is characterized in that, buffer stopper and cushion block is provided with and described buffer stopper and cushion block are positioned at coil rack between small valve core and internal magnetic pole, small valve core axially offers a through hole, in through hole, spring be installed and be respectively equipped with glass marble at both ends of the spring, two glass marbles are resisted against on rubber pad and buffer stopper respectively.
In above-mentioned injection valve, rubber pad and buffer stopper all offer the arc groove of indent, two above-mentioned glass marbles are resisted against in corresponding arc groove respectively.
In above-mentioned injection valve, small valve core outer wall offers three annular grooves.
In above-mentioned injection valve, between buffer stopper and cushion block, be installed with cushion pad.
In above-mentioned injection valve, buffer stopper offers the cushion hole that coaxially arranges with through hole and described cushion hole communicates with the arc groove be opened on buffer stopper.
In above-mentioned injection valve, be all coated with hard chrome protective layer in the both ends of the surface up and down of small valve core and buffer stopper.
In above-mentioned injection valve, upper magnetic pole offers annular convex shoulder, outer magnetic pole offers annular gear edge, in coil rack, be equipped with magnetic shield and magnetic shield two ends be resisted against respectively annular gear along and annular convex shoulder on, above-mentioned internal magnetic pole and small valve core are all plugged in magnetic shield.Play every brushing up against the effect of small valve core motion guide.
In above-mentioned injection valve, the end face that small valve core exposes offers the draw-in groove communicated with through hole, and rubber pad is embedded in draw-in groove.
In above-mentioned injection valve, the external diameter of glass marble is identical with through hole external diameter.
In above-mentioned injection valve, small valve core outer side wall is coated with teflon coatings.
Compared with prior art, the utility model is by be hidden in spring in small valve core and to be located by spring with glass marble, thus make spring there will not be shaking phenomenon when compressive strain, good stability, buffer stopper and cushion block are set between small valve core and internal magnetic pole simultaneously, small valve core can not to be collided phenomenon with internal magnetic pole when mobile, thus makes small valve core and internal magnetic pole there will not be breakage, extend the working life of this injection valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, outer magnetic pole; 1a, annular gear edge; 2, lower contact; 3, upper magnetic pole; 3a, annular convex shoulder; 4, coil rack; 5, coil; 6, internal magnetic pole; 7, small valve core; 7a, through hole; 7b, annular groove; 7c, draw-in groove; 8, rubber pad; 9, buffer stopper; 9a, cushion hole; 10, cushion block; 11, cushion pad; 12, arc groove; 13, magnetic shield; 14, spring; 15, glass marble.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this injection valve comprises outer magnetic pole 1, lower contact 2, upper magnetic pole 3 and coil rack 4, upper magnetic pole 3 is plugged in outer magnetic pole 1 upper end, coil rack 4 is in outer magnetic pole 1 and be provided with coil 5 between coil rack 4 and outer magnetic pole 1, upper magnetic pole 3 inserts intrinsic internal magnetic pole 6 and internal magnetic pole 6 stretches in coil rack 4 upper end, be inserted with small valve core 7 in coil rack 4 lower end and be provided with rubber pad 8 in the end that small valve core 7 exposes, lower contact 2 is plugged in outer magnetic pole 1 lower end and lower contact 2 one end is resisted against on rubber pad 8, buffer stopper 9 and cushion block 10 is provided with and described buffer stopper 9 and cushion block 10 are positioned at coil rack 4 between small valve core 7 and internal magnetic pole 6, small valve core 7 axially offers a through hole 7a, spring 14 is installed in through hole 7a and is respectively equipped with glass marble 15 at spring 14 two ends, two glass marbles 15 are resisted against on rubber pad 8 and buffer stopper 9 respectively.
Spring 14 is hidden in small valve core 7 and is also located by spring 14 with glass marble 15, thus make spring 14 there will not be shaking phenomenon when compressive strain, good stability, buffer stopper 9 and cushion block 10 are set between small valve core 7 and internal magnetic pole 6 simultaneously, small valve core 7 can not to be collided phenomenon with internal magnetic pole 6 when moving, thus make small valve core 7 and internal magnetic pole 6 there will not be breakage, extend the working life of this injection valve.
Further, arc groove 12, two glass marble 15 rubber pad 8 and buffer stopper 9 all offering indent is resisted against in corresponding arc groove 12 respectively.This structural design makes two glass marbles 15 be limited to accurately on rubber pad 8 and buffer stopper 9, thus ensures that small valve core 7 there will not be shaking phenomenon when displacement.
Further, small valve core 7 outer wall offers three annular groove 7b.Annular groove 7b can play balance and dust suction effect when small valve core 7 moves up and down, thus strengthens stability and the reliability of small valve core 7.
Further, between buffer stopper 9 and cushion block 10, cushion pad 11 is provided with.Cushion pad 11 adopts rubber material to make, on cushion block 10, cushion pad 11 is formed specifically by rubber direct fluidisation, again buffer stopper 9 is installed on cushion pad 11, buffer stopper 9 and cushion block 10 is made to be merged into an entirety by cushion pad 11, easy for installation, make cushion pad 11 and buffer stopper 9 cushion to keep consistency, effective, reliability is high simultaneously.
Further, buffer stopper 9 offers the cushion hole 9a coaxially arranged with through hole 7a and cushion hole 9a communicates with the arc groove 12 be opened on buffer stopper 9.At small valve core 7 against to buffer stopper 9 and when applying pressure to buffer stopper 9, buffer stopper 9 can produce deformation, provide deformation space to buffer stopper 9 by cushion hole 9a.
Further, small valve core 7 outer side wall is coated with teflon coatings.Wear resistance and the lubricity of small valve core 7 can be strengthened by teflon coatings, improve the working life of small valve core 7.
Further, upper magnetic pole 3 offers annular convex shoulder 3a, outer magnetic pole 1 offers annular gear along 1a, in coil rack 4, be equipped with magnetic shield 13 and magnetic shield 13 two ends be resisted against respectively annular gear along on 1a and annular convex shoulder 3a, internal magnetic pole 6 and small valve core 7 are all plugged in magnetic shield 13.Magnetic shield 13 can be made by annular gear to be positioned in coil rack 4 along 1a and annular convex shoulder 3a, good stability, magnetic shield 13 mainly plays every brushing up against the effect guiding small valve core 7 to move up and down.
Further, the end face that small valve core 7 exposes offers the draw-in groove 7c communicated with through hole 7a, and rubber pad 8 is embedded in draw-in groove 7c.This structural design makes rubber pad 8 can firmly be installed on small valve core 7, and draw-in groove 7c communicates with through hole 7a simultaneously, and glass marble 15 can be directly resisted against on rubber pad 8.
Further, the external diameter of glass marble 15 is identical with through hole 7a external diameter.Make glass marble 15 can move in through hole 7a like this, thus reach the effect of Compress Spring 14.
Further, hard chrome protective layer is all coated with at small valve core 7 and the both ends of the surface up and down of buffer stopper 9.Because small valve core 7 can collide with buffer stopper 9 when moving; therefore the surface hardness of small valve core 7 and buffer stopper 9 end face can be strengthened by hard chrome protective layer; thus prevent small valve core 7 and buffer stopper 9 from occurring damaged situation when colliding; play the effect of protection small valve core 7, extend its working life.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. an injection valve, comprise outer magnetic pole, lower contact, upper magnetic pole and coil rack, upper magnetic pole is plugged in outer magnetic pole upper end, coil rack is in outer magnetic pole and be provided with coil between coil rack and outer magnetic pole, upper magnetic pole inserts intrinsic internal magnetic pole and internal magnetic pole stretches in coil rack upper end, small valve core is inserted with and the end of exposing at small valve core is provided with rubber pad in coil rack lower end, lower contact is plugged in outer magnetic pole lower end and lower contact one end is resisted against on rubber pad, it is characterized in that, buffer stopper and cushion block is provided with and described buffer stopper and cushion block are positioned at coil rack between small valve core and internal magnetic pole, small valve core axially offers a through hole, in through hole, spring be installed and be respectively equipped with glass marble at both ends of the spring, two glass marbles are resisted against on rubber pad and buffer stopper respectively.
2. injection valve according to claim 1, is characterized in that, rubber pad and buffer stopper all offer the arc groove of indent, and two above-mentioned glass marbles are resisted against in corresponding arc groove respectively.
3. injection valve according to claim 1 and 2, is characterized in that, small valve core outer wall offers three annular grooves.
4. injection valve according to claim 1 and 2, is characterized in that, between buffer stopper and cushion block, be installed with cushion pad.
5. injection valve according to claim 2, is characterized in that, buffer stopper offers the cushion hole that coaxially arranges with through hole and described cushion hole communicates with the arc groove be opened on buffer stopper.
6. injection valve according to claim 1 and 2, is characterized in that, is all coated with hard chrome protective layer in the both ends of the surface up and down of small valve core and buffer stopper.
7. injection valve according to claim 1 and 2, it is characterized in that, upper magnetic pole offers annular convex shoulder, outer magnetic pole offers annular gear edge, in coil rack, be equipped with magnetic shield and magnetic shield two ends be resisted against respectively annular gear along and annular convex shoulder on, above-mentioned internal magnetic pole and small valve core are all plugged in magnetic shield.
8. injection valve according to claim 1 and 2, is characterized in that, the end face that small valve core exposes offers the draw-in groove communicated with through hole, and rubber pad is embedded in draw-in groove.
9. injection valve according to claim 1 and 2, is characterized in that, the external diameter of glass marble is identical with through hole external diameter.
10. injection valve according to claim 1 and 2, is characterized in that, small valve core outer side wall is coated with teflon coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303805.3U CN204591530U (en) | 2015-05-11 | 2015-05-11 | A kind of injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303805.3U CN204591530U (en) | 2015-05-11 | 2015-05-11 | A kind of injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591530U true CN204591530U (en) | 2015-08-26 |
Family
ID=53927691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520303805.3U Expired - Fee Related CN204591530U (en) | 2015-05-11 | 2015-05-11 | A kind of injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309639A (en) * | 2021-05-25 | 2021-08-27 | 东风商用车有限公司 | Natural gas injection valve moves iron core structure |
-
2015
- 2015-05-11 CN CN201520303805.3U patent/CN204591530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309639A (en) * | 2021-05-25 | 2021-08-27 | 东风商用车有限公司 | Natural gas injection valve moves iron core structure |
| CN113309639B (en) * | 2021-05-25 | 2022-11-29 | 东风商用车有限公司 | Natural gas injection valve moves iron core structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shen Zhigang Inventor before: Zhou Jianfeng |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160316 Address after: 315470, 1, No. two, No. 2, Village Road, under the tree building of Yuyao City, Zhejiang City, Ningbo Province Patentee after: Shen Zhigang Address before: 315470 Zhejiang Province Zhou Ningbo City Simen Town Shuige Zhoucun Shuige Yuyao 9 team Patentee before: Zhou Jianfeng |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 |