CN101886702B - Solenoid valve device and automatic paper feeder using same - Google Patents

Solenoid valve device and automatic paper feeder using same Download PDF

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Publication number
CN101886702B
CN101886702B CN2009101375687A CN200910137568A CN101886702B CN 101886702 B CN101886702 B CN 101886702B CN 2009101375687 A CN2009101375687 A CN 2009101375687A CN 200910137568 A CN200910137568 A CN 200910137568A CN 101886702 B CN101886702 B CN 101886702B
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CN
China
Prior art keywords
solenoid valve
groove
valve shaft
paper feeder
automatic paper
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Expired - Fee Related
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CN2009101375687A
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Chinese (zh)
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CN101886702A (en
Inventor
王钟凯
黄文安
杨照民
徐维熏
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Primax Electronics Ltd
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Primax Electronics Ltd
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Priority to CN2009101375687A priority Critical patent/CN101886702B/en
Publication of CN101886702A publication Critical patent/CN101886702A/en
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Publication of CN101886702B publication Critical patent/CN101886702B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a solenoid valve device and an automatic paper feeder using the same. The solenoid valve device comprises a solenoid valve body, a solenoid valve shaft center, a spring, an annular groove and a muffling ring, wherein the annular groove surrounds the solenoid valve shaft center and is provided with the muffling ring. When the solenoid valve body is excited to adsorb the solenoid valve shaft center, the solenoid valve shaft center moves in the solenoid valve body and enables the muffling ring to collide with the solenoid valve body to reduce the colliding sound.

Description

Electromagnetic valve device and the automatic paper feeder that utilizes electromagnetic valve device
Technical field
The present invention relates to engine installation, relate in particular to a kind of automatic paper feeder that converts electrical energy into the electromagnetic valve device of magnetic energy and utilize electromagnetic valve device.
Background technology
Electromagnetic valve device is a kind of in order to convert electrical energy into the device of magnetic energy, is widely used in various fields.In order to cooperate the demand of different device, the manufacturer that produces electromagnetic valve device makes the electromagnetic valve device of various sizes size according to various demands.
Structure about electromagnetic valve device sees also Fig. 1, and it is the structural representation of existing electromagnetic valve device.Electromagnetic valve structure 1 comprises solenoid valve body 10, solenoid valve shaft 11 and spring 12; Solenoid valve body 10 comprises magnet coil 101 and groove 102; Magnet coil 101 is surrounded on solenoid valve body 10; And groove 102 comprises recess sidewall 1021 and bottom portion of groove 1022, and wherein recess sidewall 1021 is perpendicular to bottom portion of groove 1022.Solenoid valve shaft 11 stretches in the groove 102 of solenoid valve body 10 and along recess sidewall 1021 toward bottom portion of groove 1022 and moves, and solenoid valve shaft 11 has a top 111 and a flange 112, lays respectively at the two ends of solenoid valve shaft 11.And spring 12 is surrounded on solenoid valve shaft 11 and contact with flange 112 and solenoid valve body 10, and its medi-spring 12 is a coil spring.
Among Fig. 1; When electric current passed through magnet coil 101, magnet coil 101 converted electrical energy into magnetic energy and makes solenoid valve body 10 by excitatory, so solenoid valve body 10 produces magnetic force and adsorbs solenoid valve shaft 11; It is moved toward bottom portion of groove 1022 along recess sidewall 1021; And when solenoid valve shaft 11 moved, flange 112 was replaced spring 12 and is made spring 12 be in compressive state, and wherein the top 111 of solenoid valve shaft 11 can be collided with bottom portion of groove 1022.When electric current stops through magnet coil 101; Solenoid valve body 10 is not by excitatory and lose magnetic force; At this moment, the power of replacing spring 12 disappears, and makes spring 12 obtain an elastic force by the compressive state recovery; This elastic force returns back to the not position when excitatory of solenoid valve body 10 with solenoid valve shaft 11, promptly toward moving with bottom portion of groove 1022 opposite directions.
Electromagnetic valve device 1 converts electrical energy into magnetic energy through above-mentioned reciprocating action.Yet, in operation,, and produce collision sound because the top 111 of solenoid valve shaft 11 can strike bottom portion of groove 1022.This collision sound can be exaggerated through the structure of electromagnetic valve device 1 and change the low frequency sound into; Human very responsive for this low-frequency sound; Therefore as long as the small low frequency sound will make mankind's ear that is displeased, this lets most users feel suitable puzzlement.
Summary of the invention
The technical matters that the present invention mainly solves is that the above-mentioned deficiency to prior art exists provides a kind of electromagnetic valve device that reduces collision sound.
Another technical matters that the present invention will solve is that the above-mentioned deficiency to prior art exists provides a kind of automatic paper feeder that reduces collision sound.
The technical solution adopted for the present invention to solve the technical problems provides a kind of electromagnetic valve device, and in order to reduce collision sound, this electromagnetic valve device comprises:
One solenoid valve body has a magnet coil and groove, and this magnet coil is surrounded on this solenoid valve body; This groove comprises a recess sidewall, a groove inwall and a bottom portion of groove; Wherein, This groove inwall and has an angle between this groove inwall and this recess sidewall between this recess sidewall and this bottom portion of groove, and has another angle between this groove inwall and this bottom portion of groove;
One solenoid valve shaft in this groove that stretches into this solenoid valve body, and move toward this bottom portion of groove along this recess sidewall, and this solenoid valve shaft comprises a top that is positioned at the one of which end and a flange that is positioned at its other end;
One spring is surrounded on this solenoid valve shaft and contacts with this flange and this solenoid valve body;
One annular ditch groove is around this solenoid valve shaft and be positioned at the bottom at this top; And
One noise reduction ring is arranged in this annular ditch groove;
Wherein, When this solenoid valve body by excitatory and when adsorbing this solenoid valve shaft; This solenoid valve shaft direction toward this bottom portion of groove in this groove moves, and makes this spring replaced and be compressed by this flange, and this noise reduction ring and the collision of this groove inwall are to cushion the collision between this top and this bottom portion of groove.
The height at this top is less than the vertical dimension of this groove inwall.
This top of this solenoid valve shaft is a frustoconical bevel, and this groove is positioned at the bottom of this frustoconical bevel.
This angle between this groove inwall and this recess sidewall equals the angle of inclination of this frustoconical bevel.
When this spring is compressed and this solenoid valve shaft stops when excitatory, this spring provides an elastic force and replaces this flange this solenoid valve shaft is moved toward the direction in contrast to this bottom portion of groove.
This spring is a coil spring.
This solenoid valve shaft also comprises a fastener, is positioned at a side of this flange.
This solenoid valve shaft and this top, this flange and this fastener are formed in one.
This solenoid valve shaft is cylindric, and this noise reduction ring is a C type ring.
This noise reduction ring is that graphite nylon (Polyslider) is made.
The present invention also provides a kind of automatic paper feeder, comprising:
One file feeding box is in order to place file to be scanned;
One file pickup roller is in order to present this document of being positioned on this document feeding box to this automatic paper feeder;
One business card feeding box is in order to place business card to be scanned;
One business card pickup roller group is positioned on this business card feeding box, in order to present this business card that is positioned on this business card feeding box;
One paper output box is in order to place this document or this business card of being accomplished by scanning;
One paper-feeding channel is in order to present this document;
A plurality of conveying rollers are in order to present this document or this business card;
One paper delivery roller set is in order to present this document or this business card to this paper output box; And
One switchover apparatus, in order to drive this document pickup roller or this business card pickup roller group, this switchover apparatus comprises electromagnetic valve device, switchover element and engaging arm, wherein:
Said electromagnetic valve device comprises:
One solenoid valve body has magnet coil and groove, and this magnet coil is surrounded on this solenoid valve body; This groove comprises a recess sidewall, a groove inwall and a bottom portion of groove; Wherein, this groove inwall and has an angle between this groove inwall and this recess sidewall between this recess sidewall and this bottom portion of groove, and has another angle between this groove inwall and this bottom portion of groove;
One solenoid valve shaft in this groove that stretches into this solenoid valve body, and move along this recess sidewall, and this solenoid valve shaft comprises a top that is positioned at the one of which end and a flange that is positioned at its other end;
One spring is surrounded on this solenoid valve shaft and contacts with this flange and this solenoid valve body;
One annular ditch groove is around this solenoid valve shaft and be positioned at the bottom at this top; And
One noise reduction ring is arranged in this annular ditch groove; Wherein, When this solenoid valve body by excitatory and when adsorbing this solenoid valve shaft; This solenoid valve shaft direction toward this bottom portion of groove in this groove moves, and makes this spring replaced and be compressed by this flange, and this noise reduction ring and the collision of this groove inwall are to cushion the collision between this top and this bottom portion of groove;
Said switchover element is positioned at a side of this electromagnetic valve device, and has one first breach and one second breach; And
Said engaging arm is connected in this solenoid valve shaft, and this engaging arm is swung in order to the start according to this electromagnetic valve device, and is sticked in this first breach or this second breach.
The height at this top is less than the vertical dimension of this groove inwall.
This top of this solenoid valve shaft is a frustoconical bevel, and this groove is positioned at the bottom of this frustoconical bevel.
This angle between this groove inwall and this recess sidewall equals the angle of inclination of this frustoconical bevel.
When this spring is compressed and this solenoid valve shaft stops when excitatory, this spring provides an elastic force and replaces this flange this solenoid valve shaft is moved toward the direction in contrast to this bottom portion of groove.
This spring is a coil spring.
This solenoid valve shaft also comprises a fastener, is positioned at a side of this flange, in order to be connected in this engaging arm.
This solenoid valve shaft and this top, this flange and this fastener are formed in one.
This solenoid valve shaft is cylindric, and this noise reduction ring is a C type ring.
This noise reduction ring is that graphite nylon is made.
This switchover element also comprises a driven wheel, in order to drive this document pickup roller or this business card pickup roller group.
The length that electromagnetic valve device of the present invention becomes a frustoconical bevel through the top design with solenoid valve shaft and shortens this top shifts the rum point of solenoid valve shaft and solenoid valve body; Also annular ditch groove is set in solenoid valve shaft; And the noise reduction ring is arranged at wherein with the collision between buffering solenoid valve shaft and solenoid valve body, and then reduce collision sound.In addition; When the electromagnetic valve device that reduces collision sound as the present invention is applied in the automatic paper feeder, automatic paper feeder will produce less collision sound when carrying out mode switch, compared with prior art; Its erasure effect is more remarkable, has solved the puzzlement of user for noise.
Description of drawings
Fig. 1 is the structural representation of existing electromagnetic valve device;
The structural representation of Fig. 2 electromagnetic valve device preferred embodiment of the present invention;
The structural representation of Fig. 3 automatic paper feeder preferred embodiment of the present invention;
Fig. 4 automatic paper feeder preferred embodiment of the present invention is at the structural representation that carries out powershift;
Fig. 5 automatic paper feeder preferred embodiment of the present invention is in the structural representation of business card feed pattern.
The specific embodiment
In order to reduce collision sound, electromagnetic valve device 2 of the present invention is provided with sound arrester especially, sees also Fig. 2, and it is the structural representation of electromagnetic valve device preferred embodiment of the present invention.Electromagnetic valve device 2 comprises solenoid valve body 20, solenoid valve shaft 21, spring 22, annular ditch groove 213 and noise reduction ring 23.Solenoid valve body 20 has magnet coil 201 and groove 202; Magnet coil 201 is surrounded on solenoid valve body 20 to produce magnetic force; And groove 202 comprises recess sidewall 2021, bottom portion of groove 2022 and groove inwall 2023; Its further groove inwall 2023 is between recess sidewall 2021 and bottom portion of groove 2022, and groove inwall 2023 and 2021 of recess sidewall have an angle a1, and 2022 of groove inwall 2023 and bottom portion of groove have another angle a2.
The flange 212 that solenoid valve shaft 21 has the top 211 of an end that is positioned at solenoid valve shaft 21 and is positioned at the other end of solenoid valve shaft 21, and solenoid valve shaft 21 is in order in the groove 202 that stretches into solenoid valve body 20, and move along recess sidewall 2021.And annular ditch groove 213 is around solenoid valve shaft 21 and be positioned at the bottom at its top 211, and wherein top 211 is a frustoconical bevel, and promptly annular ditch groove 213 is positioned at the bottom of frustoconical bevel 211.Noise reduction ring 23 then is arranged in the annular ditch groove 213 to be fixed.In this preferred embodiment, solenoid valve shaft 21 is cylindric, and noise reduction ring 23 is a C type ring, so that be sheathed in the annular ditch groove 213.Spring 22 is surrounded on solenoid valve shaft 21 and contacts with flange 212 and solenoid valve body 20 on its other end, and its medi-spring 22 is a coil spring.In addition, solenoid valve shaft 21 also comprises a fastener 214, is positioned at a side of flange 212, and solenoid valve shaft 21 is formed in one with top 211, flange 212 and fastener 214.
What need special version is; The angle a1 that groove inwall 2023 and recess sidewall are 2021 equals the angle of inclination of frustoconical bevel 211; So that solenoid valve shaft 21 is when recess sidewall 2021 moves and contacts with bottom portion of groove 2022; The frustoconical bevel 211 of solenoid valve shaft 21 is incorporated in bottom portion of groove 2022 and groove inwall 2023, that is to say the shape complementarity of the shape of frustoconical bevel 211 and bottom portion of groove 2022 and groove inwall 2023.
When user's desire operation electromagnetic valve device 2; Making magnet coil 201 convert electrical energy into magnetic energy through electric current makes solenoid valve body 20 by excitatory; So that solenoid valve body 20 produces magnetic force and adsorb solenoid valve shaft 21,21 of solenoid valve shaft that is adsorbed move toward bottom portion of groove 2022 along recess sidewall 2021, simultaneously; Flange 212 is replaced spring 22, makes spring 22 be in compressive state.And when electric current stops through magnet coil 201; Solenoid valve body 20 is not by excitatory and lose the magnetic force supply; The power of replacing spring 22 is disappeared; And spring 22 is recovered by compressive state and obtain an elastic force, solenoid valve shaft 21 returns back to the not position when excitatory of solenoid valve body 20 through this elastic force, even it moves toward the direction in contrast to bottom portion of groove 2022.
When solenoid valve shaft 21 is adsorbed by solenoid valve body 20; Solenoid valve shaft 21 moves toward bottom portion of groove 2022 in groove 202; And the noise reduction ring 23 and the groove inwall 2023 that are arranged in the annular ditch groove 213 collide to cushion the collision of 2022 of frustoconical bevel 211 and bottom portion of groove, and the collision sound of 20 of solenoid valve shaft 21 and solenoid valve body is reduced.In order further to cushion the collision of 202 of solenoid valve shaft 21 and grooves, electromagnetic valve device 2 of the present invention reduces the height at the top 211 of solenoid valve shaft 21, makes the vertical dimension H2 of the height H 1 at top 211 less than groove inwall 2023, and is as shown in Figure 2.Through this design, its top 211 does not promote the effect of noise reduction in the time of can making solenoid valve shaft 21 near bottom portion of groove 2022 with bottom portion of groove 2022 collisions.In this preferred embodiment; Noise reduction ring 23 is that graphite nylon (Polyslider) is made; Graphite nylon has concurrently flexible and rigidity; Have flexible advantage and make noise reduction ring 23 can be made as the C type, the advantage of tool rigidity then makes its collision that can bear 2023 of solenoid valve shaft 21 and groove inwalls, and can bear solenoid valve body 20 temperature inside and be not melted.
The present invention also proposes electromagnetic valve device is applied to the embodiment of automatic paper feeder.See also Fig. 3, it is the structural representation of the preferred embodiment of the automatic paper feeder of use electromagnetic valve device of the present invention.The automatic paper feeder 3 of Fig. 3 comprises file feeding box 30, file pickup roller 31, paper output box 32, paper-feeding channel 33, a plurality of conveying roller 34, paper delivery roller set 37, business card feeding box 35, business card pickup roller group 36 and switchover apparatus 38 (seeing also Fig. 4).File feeding box 30 is in order to place the file (not indicating in the drawings) that is not scanned, and business card feeding box 35 is then in order to place the business card (not being shown among the figure) that is not scanned.The file pickup roller 31 that is arranged at file feeding box 30 adjacent to is used to present in file to the automatic paper feeder 3 that is positioned on the file feeding box 30.And paper output box 37 is arranged at the below of file feeding box 30 and scanned file or the business card of accomplishing in order to place, and goes out paper roller 37 in order to feed documents or business card to paper output box 32.And paper-feeding channel 33 is in order to feed documents, and a plurality of conveying rollers 34 are arranged on the paper-feeding channel 33, in order to present the file in paper-feeding channel 33, advancing.Switchover apparatus 38 is then in order to drive file pickup roller 31 or business card pickup roller group 36.
The situation of automatic paper feeder 3 feed documents below is described.The user is positioned over file on the file feeding box 30; When automatic paper feeder 3 begins to carry out file feed; The file feed that file pickup roller 31 will be placed on the file feeding box 30 gets into paper-feeding channel 33, and file moves in paper-feeding channel 33 and gone out paper roller 37 and is fed on the paper output box 32.
The situation of presenting business card as for automatic paper feeder 3 is following: business card pickup roller group 36 will be placed on business card on the business card feeding box 35 and present and business card is fed and get into paper-feeding channel 33.Next, the business card that is arranged in paper-feeding channel 33 is sent to automatic paper feeder 3 inside by the conveying roller on the paper-feeding channel 33 34, is fed on the paper output box 32 by going out paper roller 37 again.
Switchover apparatus 38 of the present invention is used to let automatic paper feeder 3 between business card feed pattern and file feed pattern, switch.
See also Fig. 4, it carries out the structural representation of powershift for automatic paper feeder preferred embodiment of the present invention.The switchover apparatus 38 of automatic paper feeder 3 comprises electromagnetic valve device 2, switchover element 381 and engaging arm 382; The fastener 214 of electromagnetic valve device 2 is in order to being connected in engaging arm 382, and identical and repeat no more about the structure of electromagnetic valve device 2 and function situation and the present invention's first preferred embodiment.
Switchover element 381 is positioned at a side of electromagnetic valve device 2, and switchover element 381 has first breach 3811, second breach 3812 and driven wheel 3813, and driven wheel 3813 is in order to drive file pickup roller 31 or business card pickup roller group 36.And engaging arm 382 is connected in the fastener 214 of solenoid valve shaft 21, and engaging arm 382 can swing according to the start of electromagnetic valve device 2, and is sticked in first breach 3811 or second breach 3812.
When automatic paper feeder 3 is in the file feed pattern; The solenoid valve shaft 21 of electromagnetic valve device 2 is not by solenoid valve body 20 absorption; And spring 22 is not compressed; Make the engaging arm 382 that is connected in solenoid valve shaft 21 be sticked in first breach 3811, wherein driven wheel 3813 meshes with the gear (indicating in the drawings) of file pickup roller 31, to drive file pickup roller 31.And when automatic paper feeder 3 need switch to the business card feed pattern; The solenoid valve shaft 21 of electromagnetic valve device 2 is moved by solenoid valve body 20 absorption; So that spring 22 is compressed and engages arm 382 and rotates with moving of solenoid valve shaft 21; Therefore engage arm 382 and separate with first breach 3811, as shown in Figure 4.
After engaging arm 382 and first breach 3811 separate; Switchover element 381 is toward anticlockwise motion, and the power resources that switchover element 381 rotates are a motor (not indicating in the drawings), at this moment; Electromagnetic valve device 2 stops to provide electric power to make solenoid valve shaft 21 not by solenoid valve body 20 absorption; Therefore spring 22 is recovered by compressive state and obtains elastic force and solenoid valve shaft 21 is returned back to electromagnetic valve device 2 not by excitatory position, and on the other hand, engaging arm 382 is swung with moving of solenoid valve shaft 21; And engaging arm 382 engages with second breach 3812; Wherein driven wheel 3813 meshes with the gear (indicating in the drawings) of business card pickup roller group 36, and is to drive business card pickup roller group 36, as shown in Figure 5.
Can know according to above description; The length that electromagnetic valve device of the present invention becomes a frustoconical bevel through the top design with solenoid valve shaft and shortens this top shifts the rum point of solenoid valve shaft and solenoid valve body; Also annular ditch groove is set in solenoid valve shaft; And the noise reduction ring is arranged at wherein with the collision between buffering solenoid valve shaft and solenoid valve body, and then reduce collision sound.In addition, when the electromagnetic valve device that reduces collision sound as the present invention is applied in the automatic paper feeder, automatic paper feeder will produce less collision sound when carrying out mode switch.Under the prior art comparison, its erasure effect is more remarkable, and solves the puzzlement of user for noise.
The above is merely preferred embodiment of the present invention, is not in order to limiting practical range of the present invention, and therefore all other do not break away from the equivalence of being accomplished under the disclosed spirit and change or modify, and all should be included in protection scope of the present invention.

Claims (11)

1. an automatic paper feeder is characterized in that, comprising:
One file feeding box is in order to place file to be scanned;
One file pickup roller is in order to present this document of being positioned on this document feeding box to this automatic paper feeder;
One business card feeding box is in order to place business card to be scanned;
One business card pickup roller group is positioned on this business card feeding box, in order to present this business card that is positioned on this business card feeding box;
One paper output box is in order to place this document or this business card of being accomplished by scanning;
One paper-feeding channel is in order to present this document;
A plurality of conveying rollers are in order to present this document or this business card;
One paper delivery roller set is in order to present this document or this business card to this paper output box; And
One switchover apparatus, in order to drive this document pickup roller or this business card pickup roller group, this switchover apparatus comprises electromagnetic valve device, switchover element and engaging arm, wherein:
Said electromagnetic valve device comprises:
One solenoid valve body has a magnet coil and groove, and this magnet coil is surrounded on this solenoid valve body; This groove comprises a recess sidewall, a groove inwall and a bottom portion of groove; Wherein, This groove inwall and has an angle between this groove inwall and this recess sidewall between this recess sidewall and this bottom portion of groove, and has another angle between this groove inwall and this bottom portion of groove;
One solenoid valve shaft in this groove that stretches into this solenoid valve body, and move along this recess sidewall, and this solenoid valve shaft comprises a top that is positioned at the one of which end and a flange that is positioned at its other end;
One spring is surrounded on this solenoid valve shaft and contacts with this flange and this solenoid valve body;
One annular ditch groove is around this solenoid valve shaft and be positioned at the bottom at this top; And
One noise reduction ring is arranged in this annular ditch groove; Wherein, When this solenoid valve body by excitatory and when adsorbing this solenoid valve shaft; This solenoid valve shaft direction toward this bottom portion of groove in this groove moves, and makes this spring replaced and be compressed by this flange, and this noise reduction ring and the collision of this groove inwall are to cushion the collision between this top and this bottom portion of groove;
Said switchover element is positioned at a side of this electromagnetic valve device, and has one first breach and one second breach; And
Said engaging arm is connected in this solenoid valve shaft, and this engaging arm is swung in order to the start according to this electromagnetic valve device, and is sticked in this first breach or this second breach.
2. automatic paper feeder as claimed in claim 1 is characterized in that: the height at this top is less than the vertical dimension of this groove inwall.
3. automatic paper feeder as claimed in claim 1 is characterized in that: this top of this solenoid valve shaft is a frustoconical bevel, and this groove is positioned at the bottom of this frustoconical bevel.
4. automatic paper feeder as claimed in claim 3 is characterized in that: this angle between this groove inwall and this recess sidewall equals the angle of inclination of this frustoconical bevel.
5. automatic paper feeder as claimed in claim 1 is characterized in that: when this spring is compressed and this solenoid valve shaft stops when excitatory, this spring provides an elastic force and replaces this flange this solenoid valve shaft is moved toward the direction in contrast to this bottom portion of groove.
6. automatic paper feeder as claimed in claim 1 is characterized in that: this spring is a coil spring.
7. automatic paper feeder as claimed in claim 1 is characterized in that: this solenoid valve shaft also comprises a fastener, is positioned at a side of this flange, in order to be connected in this engaging arm.
8. automatic paper feeder as claimed in claim 7 is characterized in that: this solenoid valve shaft and this top, this flange and this fastener are formed in one.
9. automatic paper feeder as claimed in claim 1 is characterized in that: this solenoid valve shaft is cylindric, and this noise reduction ring is a C type ring.
10. automatic paper feeder as claimed in claim 1 is characterized in that: this noise reduction ring is that graphite nylon is made.
11. automatic paper feeder as claimed in claim 1 is characterized in that: this switchover element also comprises a driven wheel, in order to drive this document pickup roller or this business card pickup roller group.
CN2009101375687A 2009-05-14 2009-05-14 Solenoid valve device and automatic paper feeder using same Expired - Fee Related CN101886702B (en)

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Application Number Priority Date Filing Date Title
CN2009101375687A CN101886702B (en) 2009-05-14 2009-05-14 Solenoid valve device and automatic paper feeder using same

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Application Number Priority Date Filing Date Title
CN2009101375687A CN101886702B (en) 2009-05-14 2009-05-14 Solenoid valve device and automatic paper feeder using same

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CN101886702B true CN101886702B (en) 2012-08-08

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107300037A (en) * 2017-06-09 2017-10-27 杭州强邦精密机械电器有限公司 Double steady-state gas electromagnet valve
CN111409367B (en) * 2020-04-17 2021-11-09 临沂市蓝晶光电科技有限公司 Electromagnetic diameter-variable paper jam-preventing office printer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400351A (en) * 1966-10-11 1968-09-03 Albert F Dormeyer Solenoid plunger stop
US5704587A (en) * 1994-08-05 1998-01-06 Aisin Seiki Kabushiki Kaisha Electromagnetic valve device
CN2398484Y (en) * 1999-09-29 2000-09-27 天津市三星技术开发有限责任公司 Low-pressure-loss gas electromagnetic valve
CN2556436Y (en) * 2002-07-03 2003-06-18 慈溪市天行电器有限公司 Gas magnetic valve
CN101038042A (en) * 2006-03-13 2007-09-19 江西杰派科技发展有限公司 Noise reduction and Wear-resistance magnetic valve
CN101126404A (en) * 2006-08-16 2008-02-20 沃尔沃建造设备控股(瑞典)有限公司 Pressure control valve
CN101247460A (en) * 2007-02-15 2008-08-20 致伸科技股份有限公司 Automatic paper feeder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400351A (en) * 1966-10-11 1968-09-03 Albert F Dormeyer Solenoid plunger stop
US5704587A (en) * 1994-08-05 1998-01-06 Aisin Seiki Kabushiki Kaisha Electromagnetic valve device
CN2398484Y (en) * 1999-09-29 2000-09-27 天津市三星技术开发有限责任公司 Low-pressure-loss gas electromagnetic valve
CN2556436Y (en) * 2002-07-03 2003-06-18 慈溪市天行电器有限公司 Gas magnetic valve
CN101038042A (en) * 2006-03-13 2007-09-19 江西杰派科技发展有限公司 Noise reduction and Wear-resistance magnetic valve
CN101126404A (en) * 2006-08-16 2008-02-20 沃尔沃建造设备控股(瑞典)有限公司 Pressure control valve
CN101247460A (en) * 2007-02-15 2008-08-20 致伸科技股份有限公司 Automatic paper feeder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2001-182638A 2001.07.06

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