CN102927292B - Solenoid valve and weft yarn tension device - Google Patents
Solenoid valve and weft yarn tension device Download PDFInfo
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- CN102927292B CN102927292B CN 201210430765 CN201210430765A CN102927292B CN 102927292 B CN102927292 B CN 102927292B CN 201210430765 CN201210430765 CN 201210430765 CN 201210430765 A CN201210430765 A CN 201210430765A CN 102927292 B CN102927292 B CN 102927292B
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Abstract
The invention discloses a solenoid valve which comprises a valve body, an electromagnetic coil and a throttle assembly. The throttle assembly comprises at least two-stage throttle valve cores sequentially adjacent to each other, a plugging valve core and returning springs, wherein all stages of throttle valve cores are provided with mutually communicated throttle channels with cross sections reduced in sequence, the throttle channel of a first stage of throttle valve core corresponding to an outlet channel, and each stage of throttle valve core is controlled by the electromagnetic coil and moves step by step according to magnetic force of the electromagnetic coil so as to switch the openness degree of the outlet channel; the plugging valve core controlled by the electromagnetic coil is used for closing the throttle channel of a last stage of throttle valve core; and the returning springs respectively act on each stage of throttle valve core and the plugging valve core. The plugging valve core and each stage of throttle valve core are controlled through electromagnetic force, so that the openness degree of the outlet channel is changed, the flow velocity of the outlet channel is controlled, control results are diversified, controlling effects are good, and precision is high. The invention further discloses a weft yarn tension device.
Description
Technical field
The present invention relates to a kind of valve field, especially a kind of solenoid valve, the invention still further relates to a kind of Weft yarn tension device, especially a kind of Weft yarn tension device of provided with electromagnetic valve.
Background technique
Solenoid valve is the industry equipment by Electromagnetic Control, is used in direction, flow, speed and other the parameter of adjusting medium in industrial control system, and solenoid valve can coordinate different circuit to realize the pipeline control of expection, and precision and the flexibility controlled are all higher.
At present, air-jet loom at work, need be controlled main nozzle and pilot jet by solenoid valve, and according to setting, time-oriented sequential control main nozzle and pilot jet are jet successively, by institute's jet stream, completes the wefting insertion action.According to the wefting insertion characteristic of air-jet loom, during electromagnetic valve work, frequency of okperation is adopted as 15-30Hz, and operating air pressure is 0.6～0.8MPa, and action response time is 7～8ms.
In order to improve solenoid valve reaction velocity in air-jet loom, Chinese Patent Application No. is 02240834.7, the applying date is on July 3rd, 2002, patent name is for disclosing a kind of high-frequency electromagnetic valve of used in jet loom in " high-frequency electromagnetic valve for air jet loom ", this solenoid valve comprises valve body, shell, coil, the electrical connector be electrically connected to coil, iron core sleeve pipe in coil, static iron core and moving iron core in the iron core sleeve pipe, moving iron core spring between static iron core and moving iron core, and the valve port cushion of moving iron core lower end, described valve body comprises valve port, suction port and air outlet, the cylindrical body that described moving iron core is two big or small cross sections of difference being connected of concentric, one aperture is arranged on the valve port cushion, aperture runs through the upper and lower end of valve port cushion, between moving iron core and valve port cushion, a spring assembly is arranged.Be covered with one deck high-abrasive material on the periphery of moving iron core, on two end faces that are connected between cylindrical body of moving iron core, a damping device arranged.Due to the spring between the aperture on the valve port cushion and valve port cushion and moving iron core, realized while making work that secondary drives valve, improved the reaction velocity of solenoid valve; In addition, moving iron core is covered with one deck high-abrasive material on cylndrical surface, has increased the wear resistance of moving iron core, has effectively extended the working life of solenoid valve; Damping device on end face between moving iron core cylindrical body is conducive to reduce the operational noise of solenoid valve.
The solenoid valve of used in jet loom is for controlling the keying of main nozzle and pilot jet, and control main nozzle and pilot jet are for controlling the filling insertion rate of weft yarn.In patent " high-frequency electromagnetic valve for air jet loom " although in high-frequency electromagnetic valve solved the problem that improves the solenoid valve reaction velocity, can not realize the control of weft yarn tension force and filling insertion rate.
The tradition air-jet loom in order to realize the control to weft yarn tension force and filling insertion rate, mainly by Weft yarn tension device, realize, the tradition Weft yarn tension device comprises the main nozzle with the weft yarn passage, main nozzle is provided with the insufflation channel with the weft yarn channel connection, this blows afloat passage and is connected with the blower fan blowing mouth, blows afloat between passage and blower fan to be connected with to control the solenoid valve that blows afloat passage switching.Weft yarn is arranged in the weft yarn passage, by giving in the weft yarn passage, blows, and weft yarn is subject to the impact of air-flow and the weft yarn passage that is pulled out, thereby realizes the wefting insertion action of weft yarn.Wherein, the suffered active force of weft yarn is mainly determined by air-flow velocity, and air-flow velocity is directly proportional to flow and cross section.And solenoid valve can only be controlled the switching that blows afloat passage, and can not control the size that insufflation channel opens and closes, if want to control the weft yarn tension force, so in the situation that the pressure of blower fan blowing mouth is constant, only have by changing the power of blower fan, realize the variation of blower fan to air blowing institute blowing gas stream pressure, could be adjusted the weft yarn tension force.But such Weft yarn tension device is complicated operation not only, and control accuracy is not high, can't reach the effective control to the weft yarn tension force.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of solenoid valve that can be used for regulating exit velocity.
Technical solution of the present invention is: a kind of solenoid valve comprises:
Valve body, the inlet passage and the outlet passage that offer valve pocket and be communicated with this valve pocket;
Electromagnetic coil, be positioned on described valve body;
The throttling assembly, be positioned at valve pocket in order to switch the degree of opening of outlet passage;
Described throttling assembly comprises,
A) adjacent at least two-stage throttling valve core successively, offer the throttling passage that mutual conduction and cross section reduce successively on throttling valve core at different levels, wherein the throttling passage of chopped-off head throttling valve core is corresponding with outlet passage;
Throttling valve core at different levels all are controlled by described electromagnetic coil, move step by step to switch the degree of opening of outlet passage according to the magnetic force size of electromagnetic coil;
B) be controlled by the shutoff spool of described electromagnetic coil, for sealing the throttling passage of final stage throttling valve core;
C) act on respectively the Returnning spring of throttling valve core at different levels and shutoff spool.
In the present invention, offer the throttling passage that mutual conduction and cross section reduce successively on throttling valve core at different levels, be also throttling valve core at different levels successively adjacent and mutually against, and the throttling passage mutual conduction on throttling valve core at different levels form a general passage, therefore the cross section of general passage on throttling valve core at different levels is the structure of successively decreasing step by step.When air-flow, from general passage osculum end enters, the cross section of the passage of flowing through will increase and discharge from big opening end step by step.The throttling assembly is controlled by electromagnetic coil, switching step by step by electromagnetic coil to throttling valve core at different levels, make throttle valve at different levels moved step by step by Magnetic Control, therefore mutually against throttling valve core at different levels from the final stage throttling valve core, start to separate step by step, thereby the minimum cross-section that makes general passage changes with the separation of throttling passages at different levels, also realize the degree of opening of switching outlet passage.Simultaneously, pass through Returnning spring, realize chopped-off head throttling valve core and outlet passage periphery mutually against and form the conducting of throttling passage and outlet passage on the chopped-off head throttling valve core, throttling valve core at different levels and higher level's throttling valve core mutually against and form the conducting of adjacent segments circulation road, and the throttling passage of shutoff spool sealing final stage throttling valve core.Because the big opening end of general passage is to be connected with outlet passage, and the air-flow flowed out from outlet passage need to be first through the throttling passage on throttling valve core at different levels, and the flow of Gu Chukoutongdaochu is affected by the minimum cross-section of general passage.When throttling valve core at different levels are separated step by step, thus the degree of opening of switching outlet passage, and this degree of opening refers to the minimum cross-section on general passage.Wherein, because air-flow velocity is directly proportional to flow and cross section, so, in the situation that the stream pressure that inlet passage applies is constant, after the degree of opening that changes outlet passage, the air-flow velocity that changes outlet passage also respective change will be occurred to.
In order to simplify production technology when meeting need of production, reduce production costs, so throttling valve core only has two-stage, be that throttling valve core is comprised of one-level throttling valve core and two-step throttle spool, the throttling passage cross section on the one-level throttling valve core is greater than the throttling passage cross section on the two-step throttle spool; The one-level throttling valve core is controlled by electromagnetic coil, and forms the switching that separates of throttling passage and outlet passage on the one-level throttling valve core; The two-step throttle spool is controlled by electromagnetic coil, and forms the switching that separates of throttling passage and one-level throttling valve core on the two-step throttle spool; Described shutoff spool is controlled by electromagnetic coil, and for the sealing of throttling passage on the two-step throttle spool.Thus, realize the switching of three kinds of degrees of opening of outlet passage, thereby meet the demand of multiple occasion.
In order to meet the actual demand of throttling valve core at different levels and shutoff spool, guarantee the stable operation of each spool, described Returnning spring comprises the first Returnning spring, for driving one-level throttling valve core and two-step throttle spool, lean, and throttling passage and the outlet passage of formation one-level throttling valve core is conducted; The second Returnning spring, for driving two-step throttle spool and one-level throttling valve core inconsistent, and form the throttling passage of two-step throttle spool and the throttling passage of one-level throttling valve core is conducted; The shutoff Returnning spring, for driving the throttling passage of shutoff throttling valve core sealing two-step throttle spool.Thus, by each independently spring realize the stable of throttling valve core at different levels and shutoff spool return and rapidly.
In order to guarantee that one-level throttling valve core and two-step throttle spool are subject under electromagnetic coil and Returnning spring drive, running orbit is unique and stable, thus on described outlet passage, one-level throttling valve core and two-step throttle spool in twos adjacent regions be respectively equipped with guide mechanism.
Further preferably arrange: described guide mechanism be cone tank and with the suitable conically shaped of cone tank, peg graft and coordinate between cone tank and conically shaped.
If the degree of opening of switching outlet passage, the shutoff spool is that all spool power is subject to solenoid controlled at first, and the stability when improving the shutoff valve core movement, so be located at the iron core on the shutoff spool, be controlled by electromagnetic coil and for driving the shutoff spool to open the throttling passage on the two-step throttle spool.
In the time of due to initial start, if when by electromagnetic force, controlling iron core and move, in slot, can produce the negative pressure that hinders the iron core motion in slot, thereby affect the reaction velocity of iron core.In order to improve the reaction time of shutoff spool, offer the slot that slides and plug for this iron core on described valve body, between this iron core and slot, be sealed and matched, offer the relief passage for conducting slot and throttling passage on iron core.
The invention has the beneficial effects as follows: the electromagnetic force by electromagnetic coil is controlled shutoff spool and throttling valve core at different levels respectively, thereby changes the minimum cross-section of outlet passage, also changes the degree of opening of outlet passage, controls thus the flow velocity of outlet passage.The progression of throttling valve core involved in the present invention can be adjusted as required, and minimum be two-stage, i.e. the rarest three kinds of flow controls of the present invention, control diversity as a result therefore have, control effective, the precision advantages of higher.
The invention also discloses a kind of Weft yarn tension device, comprise
Nozzle, nozzle is provided with the weft yarn passage passed through for described weft yarn, and the insufflation channel be connected with this weft yarn passage;
Blower fan, blowing mouth is communicated with insufflation channel, and blows in the weft yarn passage by insufflation channel;
Solenoid valve, be connected with described blowing mouth, and for regulating the air pressure of blowing mouth;
Described solenoid valve is solenoid valve according to claim 1.
The tradition Weft yarn tension device lacks corresponding tension detection device and main control module, thus can't realize automatic control, and need the people for being judged and adjusting, so not only can not increase work efficiency, and can reduce because of personal error degree of regulation.This Weft yarn tension device also is provided with tension detection device, for detection of described weft tension, and produces corresponding tension signal; Main control module, for receiving described tension signal, and produce the control signal of controlling the solenoid valve aperture, can detect in real time by tension detection device like this, then by main control module, realizes controlling in real time.
The invention has the beneficial effects as follows: adopt solenoid valve according to claim 1 can realize the reaction velocity of nozzle flow control, can realize controlling of automation, thereby reduce production costs, increase work efficiency simultaneously.
The accompanying drawing explanation
The sectional view that Fig. 1 is embodiment of the present invention solenoid valve.
The A section enlarged view that Fig. 2 is Fig. 1.
The structural representation that Fig. 3 is the another kind of embodiment's throttling of the present invention assembly.
The structural representation that Fig. 4 is embodiment of the present invention tension detection device.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, 2, the present embodiment comprises valve body 1, the inlet passage 12 and the outlet passage 13 that offer valve pocket 11 on valve body 1 and be communicated with this valve pocket 11, and the axis of inlet passage 12 and outlet passage 13 is 90 ° of right angle settings; Be positioned at the electromagnetic coil 2 on valve body 1 top, electromagnetic coil 2 has two, two symmetrical and distributions that keep at a certain distance away; Throttling assembly 3, be positioned at valve pocket 11 in order to switch the degree of opening of outlet passage 13.
One-level throttling valve core 31 and two-step throttle spool 32 are adjacent and recline successively, all offer the throttling passage that mutual conduction and cross section reduce successively on two throttling valve core, wherein on one-level throttling valve core 31, the throttling passage cross section is greater than the cross section of throttling passage on two-step throttle spool 32, and one-level throttling valve core 31 is gone back and the periphery of outlet passage 13 leans, and the throttling passage on one-level throttling valve core 31 is corresponding with outlet passage 13, thereby realize each throttling passage and outlet passage 13 mutual conduction.This correspondence situation refers to when one-level throttling passage 31 and outlet passage 13 peripheries lean, the throttling passage on one-level throttling valve core 31 and outlet passage 13 mutual conduction.The passage defined after the throttling passage mutual conduction of two throttling valve core is general passage 4, when passing into certain electric weight to electromagnetic coil 2, electromagnetic force will be controlled the motion of one-level throttling valve core 31 and two-step throttle spool 32 successively, thereby realize the change of general passage 4 minimum cross-sections, the minimum cross-section that is also now general passage 4 changes, the change of the air-flow velocity that realization is touched from outlet passage 13.In addition, one-level throttling valve core 31 and two-step throttle valve 32 linearly move while being subject to the electromagnetic force motion, and this straight line is positioned on the axis of outlet passage 13.
Returnning spring 34 comprises shutoff spring 343, the first Returnning spring 341 and the second Returnning spring 342, and they are Compress Spring.Shutoff spring 343 is between valve pocket 11 inwalls and shutoff spool 33, and shutoff spring 343 acts on shutoff spool 33, thereby drives shutoff spool 33 to 32 motions of two-step throttle spool, realizes the sealing to throttling passage on two-step throttle spool 32 simultaneously; The first Returnning spring 341 is between valve pocket 11 inwalls and one-level throttling valve core 31, the first Returnning spring 341 acts on one-level throttling valve core 31, thereby drive one-level throttling valve core 31 to outlet passage 13 motions, and be resisted against hermetically on outlet passage 13 peripheries, realize the relative and mutual conduction in 13 positions of throttling passage and outlet passage on one-level throttling valve core 31 simultaneously; The second Returnning spring 342 is between valve pocket 11 inwalls and two-step throttle spool 32, the second Returnning spring 342 acts on two-step throttle spool 32, thereby drive two-step throttle spool 32 to 31 motions of one-level throttling valve core, and be resisted against hermetically on one-level throttling valve core 31, realize between the upper throttling passage of throttling passage on two-step throttle spool 32 and one-level throttling valve core 31 relative the and mutual conduction in position simultaneously.Under the cooperation of electromagnetic coil 2 and Returnning spring 34, can realize the switching of 13 3 kinds of degrees of opening of outlet passage, thereby meet the demand of multiple occasion.In order to guarantee that shutoff spring 343, the first Returnning spring 341 and the second Returnning spring 342 are installed and stability during work, so be respectively equipped with for locating the mounting groove of corresponding Returnning spring 34 ends on valve pocket 11 inwalls and one-level throttling valve core 31, two-step throttle spool 32, shutoff spool 33, and the two end part of Returnning spring 34 just can be arranged in corresponding mounting groove, to prevent Returnning spring 34, twist at the volley or be shifted.
When one-level throttling valve core 31 and two-step throttle spool 32 are driven by electromagnetic coil 2 and Returnning spring 34, running orbit is unique and stable, so adjacent position is respectively equipped with guide mechanism in twos on outlet passage 13, one-level throttling valve core 31, two-step throttle spool 32 and shutoff spool 33, this guide mechanism be cone tank and with the suitable conically shaped of cone tank, peg graft and coordinate between cone tank and conically shaped.Known in figure, have cone tank at the inducer of outlet passage 13, and have corresponding conically shaped on one-level throttling valve core 31; In like manner, at one-level throttling valve core 31 and two-step throttle spool 32, reach two- step throttle spool 32 and 33 of shutoff spools and be equipped with cone tank and the conically shaped of pegging graft and coordinating.By the leading role of this guide mechanism, the accuracy of energy effective guarantee motion, improve the precision of adjacent segments circulation road connection conducting while opening and closing.Wherein, for cone tank mentioned in guide mechanism and conically shaped structure, be a kind of approximate construction, other any structures close to taper all belong in protection scope of the present invention, as triangular pyramid type, rectangular pyramid etc. all can be approximated to be conically shaped.
In the time of due to initial start, if control iron core 331 when the interior motion of slot 14 by electromagnetic force, can produce the negative pressure that hinders iron core 331 motions slot 14 is interior, thereby affect the reaction velocity of iron core 331.In order to improve the reaction time of shutoff spool 33, so offer the relief passage 332 for conducting slot 14 and throttling passage on iron core 331, when iron core 331 is subject to electromagnetic force fashionable to slot 14 interpolations, the interior space of slot 14 is compressed, the air of compression can enter outlet passage 13 and discharge by relief passage 332, reduce thus the resistance of shutoff spool 33 motions, improve the reaction velocity of shutoff spool 33.
In addition, as shown in Figure 3, can also have a kind of embodiment, except the Returnning spring 34 for driving each valve core movement is different, other structures are all consistent.Returnning spring 34 only has a shutoff spring 341, and 341, this shutoff spring is connected with shutoff spool 33, equally for driving shutoff spool 33 to 32 motions of two-step throttle spool, and for driving the throttling passage on two-step throttle spool 32.Two-step throttle spool 32 and one-level throttling valve core 31 move downward by Action of Gravity Field, and are subject to the reposition force effect of the shutoff spring 341 on put on shutoff spool 33 and tight seal.During unlatching, by being connected by link 5 in 32 of shutoff spool 33 and two-step throttle spools, two-step throttle spool 32 and one-level throttling valve core 31, when shutoff spool 33 climbs exceed the length of link 5, link 5 pulls two-step throttle spool 32 to move upward, the like, by the link on two-step throttle spool 32, pull one-level throttling valve core 31 to move upward.
In the present invention, offer the throttling passage that mutual conduction and cross section reduce successively on throttling valve core at different levels, be also throttling valve core at different levels successively adjacent and mutually against, and the throttling passage mutual conduction on throttling valve core at different levels form a general passage 4, therefore the cross section of general passage 4 on throttling valve core at different levels is the structure of successively decreasing step by step.When air-flow, from general passage 4 osculum ends enter, the cross section of the passage of flowing through will increase and discharge from big opening end step by step.Throttling assembly 3 is controlled by electromagnetic coil 2, switching step by step by 2 pairs of throttling valve core at different levels of electromagnetic coil, make throttle valve at different levels moved step by step by Magnetic Control, therefore mutually against throttling valve core at different levels from the final stage throttling valve core, start to separate step by step, thereby the minimum cross-section that makes general passage 4 changes with the separation of throttling passages at different levels, also realize the degree of opening of switching outlet passage 13.Simultaneously, by Returnning spring 34, realize chopped-off head throttling valve core (being the one-level throttling valve core 31 in the present invention) and outlet passage 13 peripheries mutually against and form the conducting of throttling passage and outlet passage 13 on the chopped-off head throttling valve core, throttling valve core at different levels and higher level's throttling valve core mutually against and form the conducting of adjacent segments circulation road, and the throttling passage of shutoff spool 33 sealing final stage throttling valve core (being the two-step throttle spool 32 in the present invention).Because the big opening end of general passage 4 is to be connected with outlet passage 13, and the air-flow flowed out from outlet passage 13 need to be first through the throttling passage on throttling valve core at different levels, therefore the flow at outlet passage 13 places is affected by the minimum cross-section of general passage 4.When throttling valve core at different levels are separated step by step, thus the degree of opening of switching outlet passage 13, and this degree of opening refers to the minimum cross-section on general passage 4.Wherein, because air-flow velocity is directly proportional to flow and cross section, so, in the situation that the stream pressure that inlet passage 12 applies is constant, after the degree of opening that changes outlet passage 13, the air-flow velocity that changes outlet passage 13 also respective change will be occurred to.The progression of throttling valve core involved in the present invention can be adjusted as required, can enlarge the application area of self like this, even the higher application of ask for something.
The invention also discloses a kind of Weft yarn tension device, comprise nozzle, blower fan, solenoid valve, tension detection device and main control module.Wherein, nozzle is provided with the weft yarn passage passed through for weft yarn 7, and the insufflation channel be connected with this weft yarn passage; And the blowing mouth of blower fan is communicated with insufflation channel, and blow in the weft yarn passage by insufflation channel; Solenoid valve is connected with blowing mouth and for regulating the air pressure of blowing mouth; Tension detection device 6 can be used for detecting weft yarn 7 tension force, and produces corresponding tension signal; Main control module is for receiving tension signal, and the control signal of solenoid valve aperture is controlled in generation.Can detect in real time by tension detection device like this, then realize controlling in real time by main control module.Main control module is single-chip microcomputer.Wherein, solenoid valve is the above-mentioned solenoid valve that can be used for regulating the outlet channel pressure.
As shown in Figure 4, tension detection device 6 comprises pedestal 61, pedestal 61 is provided with the passage passed through for weft yarn 7, be provided with the elastic support 62 leant with the weft yarn 7 passed through below this passage, elastic support 62 be provided with for weft yarn 7 against breach, weft yarn 7 is resisted against the inside bottom of breach and slides through breach, on the elastic support 62 that coexists, is installed with strain gauge 63.On strain gauge 63, the size of resistance is relevant with deformation extent, due to weft yarn be resisted against on elastic support 62, and the distortion of elastic support 62 can directly cause strain gauge 63 to be out of shape thereupon, the corresponding deformation amount will be converted into digital signal and send single-chip microcomputer, single-chip microcomputer calculates corresponding to the power size, is also the Tensity size of weft yarn.
Weft yarn tension device in the present invention is by solenoid valve, can be multistage and effectively control the tensioning degree of weft yarn 7.
Claims (9)
1. a solenoid valve comprises:
Valve body, the inlet passage and the outlet passage that offer valve pocket and be communicated with this valve pocket;
Electromagnetic coil, be positioned on described valve body;
The throttling assembly, be positioned at valve pocket in order to switch the degree of opening of outlet passage;
It is characterized in that: described throttling assembly comprises:
A) adjacent at least two-stage throttling valve core successively, offer the throttling passage that mutual conduction and cross section reduce successively on throttling valve core at different levels, wherein the throttling passage of chopped-off head throttling valve core is corresponding with outlet passage;
Throttling valve core at different levels all are controlled by described electromagnetic coil, move step by step to switch the degree of opening of outlet passage according to the magnetic force size of electromagnetic coil;
B) be controlled by the shutoff spool of described electromagnetic coil, for sealing the throttling passage of final stage throttling valve core;
C) act on respectively the Returnning spring of throttling valve core at different levels and shutoff spool.
2. solenoid valve according to claim 1 is characterized in that:
Throttling valve core is the two-stage throttling valve core be comprised of one-level throttling valve core and two-step throttle spool, the chopped-off head throttling valve core is the one-level throttling valve core, the final stage throttling valve core is the two-step throttle spool, and the throttling passage cross section on described one-level throttling valve core is greater than the throttling passage cross section on described two-step throttle spool;
The one-level throttling valve core is controlled by electromagnetic coil, and forms the switching that separates of throttling passage and outlet passage on the one-level throttling valve core;
The two-step throttle spool is controlled by electromagnetic coil, and forms the switching that separates of throttling passage and one-level throttling valve core on the two-step throttle spool;
Described shutoff spool is controlled by electromagnetic coil, and for the sealing of throttling passage on the two-step throttle spool.
3. solenoid valve according to claim 2, it is characterized in that: described Returnning spring comprises
The first Returnning spring, lean for driving one-level throttling valve core and two-step throttle spool, and throttling passage and the outlet passage of formation one-level throttling valve core are conducted;
The second Returnning spring, for driving two-step throttle spool and one-level throttling valve core inconsistent, and form the throttling passage of two-step throttle spool and the throttling passage of one-level throttling valve core is conducted;
The shutoff Returnning spring, for driving the throttling passage of shutoff throttling valve core sealing two-step throttle spool.
4. solenoid valve according to claim 3 is characterized in that: on described outlet passage, large throttling valve core and little throttling valve core in twos adjacent regions be respectively equipped with guide mechanism.
5. solenoid valve according to claim 4 is characterized in that: described guide mechanism be cone tank and with the suitable conically shaped of cone tank, peg graft and coordinate between cone tank and conically shaped.
6. solenoid valve according to claim 5 is characterized in that: be located at the iron core on the shutoff spool, be controlled by electromagnetic coil and for driving the shutoff spool to open the throttling passage on the two-step throttle spool.
7. solenoid valve according to claim 6, it is characterized in that: offer the slot that slides and plug for this iron core on described valve body, be sealed and matched between this iron core and slot, offer the relief passage for the throttling passage of conducting slot and two-step throttle spool on iron core.
8. a Weft yarn tension device, comprise
Nozzle, nozzle is provided with the weft yarn passage passed through for described weft yarn, and the insufflation channel be connected with this weft yarn passage;
Blower fan, blowing mouth is communicated with insufflation channel, and blows in the weft yarn passage by insufflation channel;
Solenoid valve, be connected with described blowing mouth, and for regulating the air pressure of blowing mouth;
It is characterized in that: described solenoid valve is solenoid valve according to claim 1.
9. Weft yarn tension device according to claim 8, is characterized in that: be provided with
Tension detection device, for detection of described weft tension, and produce corresponding tension signal;
Main control module, for receiving described tension signal, and produce the control signal of controlling the solenoid valve aperture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210430765 CN102927292B (en) | 2012-11-01 | 2012-11-01 | Solenoid valve and weft yarn tension device |
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| CN 201210430765 CN102927292B (en) | 2012-11-01 | 2012-11-01 | Solenoid valve and weft yarn tension device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073959B (en) * | 2013-03-25 | 2015-12-23 | 杨欣圃 | Coaxial electrical magnetic compensation tensioner |
| US9541098B2 (en) | 2013-06-28 | 2017-01-10 | Vyaire Medical Capital Llc | Low-noise blower |
| US9962514B2 (en) | 2013-06-28 | 2018-05-08 | Vyaire Medical Capital Llc | Ventilator flow valve |
| US9795757B2 (en) | 2013-06-28 | 2017-10-24 | Vyaire Medical Capital Llc | Fluid inlet adapter |
| US9707369B2 (en) | 2013-06-28 | 2017-07-18 | Vyaire Medical Capital Llc | Modular flow cassette |
| US9746359B2 (en) | 2013-06-28 | 2017-08-29 | Vyaire Medical Capital Llc | Flow sensor |
| US9433743B2 (en) * | 2013-06-28 | 2016-09-06 | Carefusion 303, Inc. | Ventilator exhalation flow valve |
| CN111677879B (en) * | 2020-06-30 | 2024-04-16 | 中车资阳机车有限公司 | Bidirectional throttle valve and pantograph air supply control system formed by same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU88659A1 (en) * | 1995-09-18 | 1996-02-01 | Luxembourg Patent Co | Electromagnetically actuable valve |
| DE602008003425D1 (en) * | 2008-06-27 | 2010-12-23 | Fiat Ricerche | Fuel injection device with symmetrical measuring servo valve for an internal combustion engine |
| CN201344272Y (en) * | 2009-03-15 | 2009-11-11 | 蒋可贞 | Piston type pilot-operated solenoid valve |
| JP5370302B2 (en) * | 2010-07-26 | 2013-12-18 | マックス株式会社 | Fluid supply control device and gas fuel supply control device in gas combustion type nailer |
| CN201818877U (en) * | 2010-10-18 | 2011-05-04 | 凯迈（洛阳）气源有限公司 | Gas solenoid valve |
| CN201963999U (en) * | 2011-03-18 | 2011-09-07 | 重庆环茂电磁阀有限公司 | Double-layered pilot-operated type hard and soft tapered seal electromagnetic valve |
| CN202301976U (en) * | 2011-10-25 | 2012-07-04 | 应俊 | Bistable state electromagnetic valve with integrated structure |
| CN102758921B (en) * | 2012-07-30 | 2013-10-16 | 泸州天府液压件有限公司 | Pilot type electromagnetic switch gas valve |
| CN202937822U (en) * | 2012-11-01 | 2013-05-15 | 浙江理工大学 | Magnetic valve and weft yarn tensioning device |
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2012
- 2012-11-01 CN CN 201210430765 patent/CN102927292B/en not_active Expired - Fee Related
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| CN102927292A (en) | 2013-02-13 |
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