CN102927292A - Solenoid valve and weft yarn tension device - Google Patents
Solenoid valve and weft yarn tension device Download PDFInfo
- Publication number
- CN102927292A CN102927292A CN201210430765XA CN201210430765A CN102927292A CN 102927292 A CN102927292 A CN 102927292A CN 201210430765X A CN201210430765X A CN 201210430765XA CN 201210430765 A CN201210430765 A CN 201210430765A CN 102927292 A CN102927292 A CN 102927292A
- Authority
- CN
- China
- Prior art keywords
- throttling
- passage
- valve core
- spool
- electromagnetic coil
- 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.)
- Granted
Links
Images
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 with Electromagnetic Control, is used in direction, flow, speed and other the parameter of adjusting medium in the industrial control system, and solenoid valve can cooperate different circuit to realize the pipeline control of expecting, and precision and the flexibility of control are all higher.
At present, air-jet loom needs to control main nozzle and pilot jet by solenoid valve at work, and time-oriented sequential control main nozzle and pilot jet are jet successively according to setting, and finish the wefting insertion action by institute's jet stream.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 the air-jet loom, Chinese patent application number 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 that is electrically connected with 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 the 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, described moving iron core is the cylindrical body of two big or small cross sections of difference being connected of concentric, at the valve port cushion one aperture is arranged, 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 the cylindrical body of moving iron core a damping device arranged.Because the aperture on the valve port cushion and the spring between valve port cushion and the moving iron core, realized when making work that secondary drives valve, improved the reaction velocity of solenoid valve; In addition, be covered with one deck high-abrasive material on the moving iron core cylndrical surface, increased the wear resistance of moving iron core, effectively prolonged the working life of solenoid valve; Damping device on the end face between the moving iron core cylindrical body is conducive to reduce the operational noise of solenoid valve.
The solenoid valve of used in jet loom is the keying of controlling main nozzle and pilot jet, and control main nozzle and pilot jet are the filling insertion rates of controlling 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 realize by Weft yarn tension device, 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 and is connected with the solenoid valve that control blows afloat passage switching between passage and blower fan.Weft yarn is arranged in the weft yarn passage, blows by giving in the weft yarn passage, and weft yarn is subjected 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 with 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 constant situation of the pressure of blower fan blowing mouth, only have by changing the power of blower fan, the realization blower fan could be adjusted the weft yarn tension force to the variation of air blowing institute blowing gas stream pressure.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 is positioned on the described valve body;
The throttling assembly is 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 offers the throttling passage that mutual conduction and cross section reduce successively on the 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, be used for the throttling passage of sealing final stage throttling valve core;
C) act on respectively the Returnning spring of throttling valve core at different levels and shutoff spool.
Among the present invention, offer the throttling passage that mutual conduction and cross section reduce successively on the throttling valve core at different levels, also be throttling valve core at different levels successively adjacent and mutually against, and the throttling passage mutual conduction on the throttling valve core at different levels and form a general passage, so the cross section of general passage on throttling valve core at different levels is the structure of successively decreasing step by step.After air-flow entered from general passage osculum end, 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, by the step by step switching of electromagnetic coil to throttling valve core at different levels, so that throttle valve at different levels are moved by Magnetic Control step by step, therefore mutually against throttling valve core at different levels begin to separate step by step from the final stage throttling valve core, thereby so that the minimum cross-section of general passage changes with the separation of throttling passages at different levels, also namely realize switching the degree of opening of outlet passage.Simultaneously, pass through Returnning spring, realize chopped-off head throttling valve core and outlet passage periphery mutually against and consist of 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 consist of 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 need to pass through first throttling passage on the throttling valve core at different levels from the air-flow that outlet passage flows out, 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, thereby switch the degree of opening of outlet passage, this degree of opening refers to the minimum cross-section on the general passage.Wherein, because air-flow velocity is directly proportional with flow and cross section, so in the constant situation of stream pressure that inlet passage applies, after the degree of opening that changes outlet passage, the air-flow velocity of change outlet passage also respective change will be occured.
In order when satisfying need of production, to simplify production technology, 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 consists of 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 consists of 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 is used 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 satisfy the demand of multiple occasion.
In order to satisfy 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, be used for driving one-level throttling valve core and two-step throttle spool and lean, and throttling passage and the outlet passage of formation one-level throttling valve core is conducted; The second Returnning spring, it is inconsistent with the one-level throttling valve core be used for to drive the two-step throttle spool, and the throttling passage of formation two-step throttle spool and the throttling passage of one-level throttling valve core are conducted; The shutoff Returnning spring is used for driving the throttling passage that the shutoff throttling valve core is sealed the 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.
Lower in order to guarantee that one-level throttling valve core and two-step throttle spool are driven by electromagnetic coil and Returnning spring, running orbit is unique and stable, thus on described outlet passage, one-level throttling valve core and the two-step throttle spool in twos adjacent regions be respectively equipped with guide mechanism.
Further preferred the setting: described guide mechanism be cone tank and with the suitable conically shaped of cone tank, pegging graft between cone tank and conically shaped cooperates.
If switch the degree of opening of outlet passage, then the shutoff spool is that all spool power are subjected 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 be used for drive the shutoff spool and open throttling passage on the two-step throttle spool.
Because when initial start, if when moving in slot by electromagnetic force control iron core, then in slot, can produce the negative pressure that hinders the iron core motion, 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 the described valve body, be sealed and matched between this iron core and slot, offer the relief passage for conducting slot and throttling passage on the 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 namely 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, thus have control diversity as a result, control effective, the precision advantages of higher.
The invention also discloses a kind of Weft yarn tension device, comprise
Nozzle, nozzle are provided with the weft yarn passage that passes through for described weft yarn, and the insufflation channel that is 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 is connected with described blowing mouth, and is used 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 judging 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 is used for receiving described tension signal, and produces the control signal of control solenoid valve aperture, can detect in real time by tension detection device like this, then realizes in real time control by main control module.
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 simultaneously, thereby reduce production costs, increase work efficiency.
Description of drawings
Fig. 1 is the sectional view of embodiment of the invention solenoid valve.
Fig. 2 is the A section enlarged view of Fig. 1.
Fig. 3 is the structural representation of the another kind of embodiment's throttling of the present invention assembly.
Fig. 4 is the structural representation of embodiment of the invention tension detection device.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
As shown in Figure 1, 2, present embodiment comprises valve body 1, the inlet passage 12 and the outlet passage 13 that offer valve pocket 11 on the 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 is 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 the one-level throttling valve core 31 the throttling passage cross section greater than the cross section of throttling passage on the 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 the one-level throttling valve core 31 is corresponding with outlet passage 13, thereby realizes 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 the one-level throttling valve core 31 and outlet passage 13 mutual conduction.The passage that defines after the throttling passage mutual conduction of two throttling valve core is general passage 4, when passing into certain electric weight for 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, also be that the minimum cross-section of general passage 4 changes this moment, realizes the change of the air-flow velocity that touches from outlet passage 13.In addition, one-level throttling valve core 31 and two-step throttle valve 32 linearly move when being subjected 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 simultaneously the sealing to throttling passage on the two-step throttle spool 32; 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 the 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 simultaneously 13 the relative and mutual conduction in position of throttling passage and outlet passage on the one-level throttling valve core 31; The second Returnning spring 342 is between valve pocket 11 inwalls and two-step throttle spool 32, the second Returnning spring 342 acts on the 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 the one-level throttling valve core 31, realize simultaneously the relative and mutual conduction in position between the upper throttling passage of throttling passage on the two-step throttle spool 32 and one-level throttling valve core 31.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 satisfy 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 be used to the mounting groove of locating corresponding Returnning spring 34 ends at 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 the corresponding mounting groove, twist at the volley or are shifted to prevent Returnning spring 34.
Running orbit is unique and stable when one-level throttling valve core 31 and two-step throttle spool 32 are driven by electromagnetic coil 2 and Returnning spring 34, so the 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, pegging graft between cone tank and conically shaped cooperates.As can be known, have cone tank at the inducer of outlet passage 13 among the figure, and have corresponding conically shaped in 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 cooperating.By the leading role of this guide mechanism, the accuracy of energy effective guarantee motion improves the precision of adjacent segments circulation road connection conducting when opening and closing.Wherein, be a kind of approximate construction for cone tank mentioned in the guide mechanism and conically shaped structure, other any structures close to taper all belong in protection scope of the present invention, all can be approximated to be conically shaped such as triangular pyramid type, rectangular pyramid etc.
Because when initial start, if by electromagnetic force control iron core 331 when the slot 14 interior motion, then hinder the negative pressure that iron cores 331 move slot 14 interior can generations, thereby affect the reaction velocity of iron core 331.In order to improve the reaction time of shutoff spool 33, so offer relief passage 332 for conducting slot 14 and throttling passage at iron core 331, when iron core 331 is subjected to electromagnetic force fashionable to slot 14 interpolations, slot 14 interior spaces are compressed, then 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 that be used for to drive each valve core movement was different, other structures were all consistent.Returnning spring 34 only has a shutoff spring 341, and 341 on this shutoff spring is connected connection with the shutoff spool, is used for driving shutoff spool 33 to 32 motions of two-step throttle spool equally, and is used for driving the throttling passage on the 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 subjected to the reposition force effect of the shutoff spring 341 on the shutoff spool 33 that puts on and tight seal.During unlatching, then be by are connected with the two-step throttle spool at shutoff spool 33, two-step throttle spool 32 is connected with the one-level throttling valve core and connects by link 5, when shutoff spool 33 climbs exceed the length of link 5, then link 5 pulling two-step throttle spools 32 move upward, the like, move upward by the pulling of the link on the two-step throttle spool 32 one-level throttling valve core 31.
Among the present invention, offer the throttling passage that mutual conduction and cross section reduce successively on the throttling valve core at different levels, also be throttling valve core at different levels successively adjacent and mutually against, and the throttling passage mutual conduction on the throttling valve core at different levels and form a general passage 4, so the cross section of general passage 4 on throttling valve core at different levels is the structure of successively decreasing step by step.After air-flow entered from general passage 4 osculum ends, 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, step by step switching by 2 pairs of throttling valve core at different levels of electromagnetic coil, so that throttle valve at different levels are moved by Magnetic Control step by step, therefore mutually against throttling valve core at different levels begin to separate step by step from the final stage throttling valve core, thereby so that the minimum cross-section of general passage 4 changes with the separation of throttling passages at different levels, also namely realize switching the degree of opening of outlet passage 13.Simultaneously, by Returnning spring 34, realize chopped-off head throttling valve core (being the one-level throttling valve core 31 among the present invention) and outlet passage 13 peripheries mutually against and consist of 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 consist of 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 among the present invention).Because the big opening end of general passage 4 is to be connected with outlet passage 13, and need to pass through first throttling passage on the throttling valve core at different levels from the air-flow that outlet passage 13 flows out, so 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, thereby switch the degree of opening of outlet passage 13, this degree of opening refers to the minimum cross-section on the general passage 4.Wherein, because air-flow velocity is directly proportional with flow and cross section, so in the constant situation of stream pressure that inlet passage 12 applies, after the degree of opening that changes outlet passage 13, the air-flow velocity of change outlet passage 13 also respective change will be occured.The progression of throttling valve core involved in the present invention can be adjusted as required, can enlarge like this application area of self, 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 that passes through for weft yarn 7, and the insufflation channel that is connected with this weft yarn passage; And the blowing mouth of blower fan is communicated with insufflation channel, and blows in the weft yarn passage by insufflation channel; Solenoid valve is connected and is used for regulating the air pressure of blowing mouth with 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 used for receiving tension signal, and produces the control signal of control solenoid valve aperture.Can detect in real time by tension detection device like this, then realize in real time control 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 that passes through for weft yarn 7, below this passage, be provided with the elastic support 62 that leans with the weft yarn 7 that is passed through, 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, is installed with strain gauge 63 on the elastic support 62 that coexists.The size of resistance is relevant with deformation extent on the strain gauge 63, owing to be resisted against on the elastic support 62 weft yarn, and the distortion of elastic support 62 can directly cause strain gauge 63 to be out of shape thereupon, then the corresponding deformation amount will be converted into digital signal and send single-chip microcomputer, single-chip microcomputer then calculates corresponding to the power size, also is the Tensity size of weft yarn.
Weft yarn tension device among the present invention is by solenoid valve, can be multistage and effectively control the tensioning degree of weft yarn 7.
Claims (9)
1. 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 is positioned on the described valve body;
The throttling assembly is 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 offers the throttling passage that mutual conduction and cross section reduce successively on the 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, be used for the throttling passage of sealing 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: described
Throttling valve core is comprised of one-level throttling valve core and two-step throttle spool, and 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 consists of 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 consists of 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 is used 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 is used for driving the one-level throttling valve core and the two-step throttle spool leans, and throttling passage and the outlet passage of formation one-level throttling valve core are conducted;
The second Returnning spring, it is inconsistent with the one-level throttling valve core be used for to drive the two-step throttle spool, and the throttling passage of formation two-step throttle spool and the throttling passage of one-level throttling valve core are conducted;
The shutoff Returnning spring is used for driving the throttling passage that the shutoff throttling valve core is sealed the two-step throttle spool.
4. solenoid valve according to claim 3 is characterized in that: on described outlet passage, one-level throttling valve core and the two-step throttle spool 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, pegging graft between cone tank and conically shaped cooperates.
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 be used for driving the shutoff spool and open throttling passage on the two-step throttle spool.
7. solenoid valve according to claim 6 is characterized in that: offer the slot that slides and plug for this iron core on the described valve body, be sealed and matched between this iron core and slot, offer the relief passage for conducting slot and throttling passage on the iron core.
8. a Weft yarn tension device comprises
Nozzle, nozzle are provided with the weft yarn passage that passes through for described weft yarn, and the insufflation channel that is 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 is connected with described blowing mouth, and is used 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 produces corresponding tension signal;
Main control module is used for receiving described tension signal, and produces the control signal of control solenoid valve aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210430765 CN102927292B (en) | 2012-11-01 | 2012-11-01 | Solenoid valve and weft yarn tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210430765 CN102927292B (en) | 2012-11-01 | 2012-11-01 | Solenoid valve and weft yarn tension device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927292A true CN102927292A (en) | 2013-02-13 |
| CN102927292B CN102927292B (en) | 2013-12-25 |
Family
ID=47642165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210430765 Expired - Fee Related CN102927292B (en) | 2012-11-01 | 2012-11-01 | Solenoid valve and weft yarn tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102927292B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073959A (en) * | 2013-03-25 | 2014-10-01 | 杨欣圃 | Coaxial electromagnetic compensating tensioner |
| CN105451797A (en) * | 2013-06-28 | 2016-03-30 | 康尔福盛303公司 | Ventilator flow valve |
| 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 |
| US9795757B2 (en) | 2013-06-28 | 2017-10-24 | Vyaire Medical Capital Llc | Fluid inlet adapter |
| US9962514B2 (en) | 2013-06-28 | 2018-05-08 | Vyaire Medical Capital Llc | Ventilator flow valve |
| US10495112B2 (en) | 2013-06-28 | 2019-12-03 | Vyaire Medical Capital Llc | Low-noise blower |
| CN111677879A (en) * | 2020-06-30 | 2020-09-18 | 中车资阳机车有限公司 | Bidirectional throttle valve and pantograph air supply control system formed by same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971356A (en) * | 1995-09-18 | 1999-10-26 | Luxembourg Patent Company, S.A. | Electromagnetically actuable valve |
| CN201344272Y (en) * | 2009-03-15 | 2009-11-11 | 蒋可贞 | Piston type pilot-operated solenoid valve |
| EP2138705A1 (en) * | 2008-06-27 | 2009-12-30 | C.R.F. Società Consortile per Azioni | Fuel injector with high stability of operation for an internal-combustion engine |
| 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 |
| JP2012026530A (en) * | 2010-07-26 | 2012-02-09 | Max Co Ltd | Fluid supply control device and gas fuel supply control device in gas combustion type nailer |
| CN202301976U (en) * | 2011-10-25 | 2012-07-04 | 应俊 | Bistable state electromagnetic valve with integrated structure |
| CN102758921A (en) * | 2012-07-30 | 2012-10-31 | 四川海川消防设备有限公司 | 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 |
-
2012
- 2012-11-01 CN CN 201210430765 patent/CN102927292B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5971356A (en) * | 1995-09-18 | 1999-10-26 | Luxembourg Patent Company, S.A. | Electromagnetically actuable valve |
| EP2138705A1 (en) * | 2008-06-27 | 2009-12-30 | C.R.F. Società Consortile per Azioni | Fuel injector with high stability of operation for an internal-combustion engine |
| CN201344272Y (en) * | 2009-03-15 | 2009-11-11 | 蒋可贞 | Piston type pilot-operated solenoid valve |
| JP2012026530A (en) * | 2010-07-26 | 2012-02-09 | Max Co Ltd | 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 |
| CN102758921A (en) * | 2012-07-30 | 2012-10-31 | 四川海川消防设备有限公司 | 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 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073959A (en) * | 2013-03-25 | 2014-10-01 | 杨欣圃 | Coaxial electromagnetic compensating tensioner |
| CN104073959B (en) * | 2013-03-25 | 2015-12-23 | 杨欣圃 | Coaxial electrical magnetic compensation tensioner |
| CN105451797A (en) * | 2013-06-28 | 2016-03-30 | 康尔福盛303公司 | Ventilator flow valve |
| US9707369B2 (en) | 2013-06-28 | 2017-07-18 | Vyaire Medical Capital Llc | Modular flow cassette |
| CN105451797B (en) * | 2013-06-28 | 2017-08-04 | 康尔福盛303公司 | ventilator flow valve |
| US9746359B2 (en) | 2013-06-28 | 2017-08-29 | Vyaire Medical Capital Llc | Flow sensor |
| US9795757B2 (en) | 2013-06-28 | 2017-10-24 | Vyaire Medical Capital Llc | Fluid inlet adapter |
| US9962514B2 (en) | 2013-06-28 | 2018-05-08 | Vyaire Medical Capital Llc | Ventilator flow valve |
| US10495112B2 (en) | 2013-06-28 | 2019-12-03 | Vyaire Medical Capital Llc | Low-noise blower |
| US10539444B2 (en) | 2013-06-28 | 2020-01-21 | Vyaire Medical Capital Llc | Flow sensor |
| US10549063B2 (en) | 2013-06-28 | 2020-02-04 | Vyaire Medical Capital Llc | Modular flow cassette |
| CN111677879A (en) * | 2020-06-30 | 2020-09-18 | 中车资阳机车有限公司 | Bidirectional throttle valve and pantograph air supply control system formed by same |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102927292B (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102927292B (en) | Solenoid valve and weft yarn tension device | |
| CN202937822U (en) | Magnetic valve and weft yarn tensioning device | |
| CN105387218B (en) | A kind of gas control guide electromagnetic valve | |
| CN106481847B (en) | A kind of control method using integrated control valve | |
| CN204345034U (en) | A kind of compressed natural gas guide electromagnetic valve | |
| CN208397376U (en) | A kind of dual just power formula high pressure gas cylinder safety guard | |
| CN201344279Y (en) | Diaphragm type solenoid valve with large flow capacity | |
| CN106195398A (en) | Electromagnetic valve and there is electromagnetic valve group and the electromagnetic valve array of this electromagnetic valve | |
| CN202182222U (en) | Piston type balanced self-reliance pressure-regulating valve | |
| CN206175732U (en) | Position high frequency electric magnetic drive pneumatic valves that lead to more | |
| CN2495869Y (en) | Self-cleaning electromagnetic valve having flow-rate control and filtering net | |
| CN208935521U (en) | A kind of slow-start solenoid valve | |
| CN2551820Y (en) | High-frequency electromagnetic valve for air jet loom | |
| CN2244031Y (en) | High temperature type air cannon | |
| CN202001140U (en) | Novel electronic control carburetor solenoid valve | |
| CN209470232U (en) | A kind of boiler 80T shock wave soot blower | |
| CN101418870A (en) | High power high-temperature solenoid valve | |
| CN110454596A (en) | A kind of piston type dynamic differential pressure balancing valve | |
| CN109838563A (en) | A kind of gas proportion combination valve | |
| CN203560207U (en) | Self-adaptive multistage pressure relief controlled press liquid filling device | |
| CN213839566U (en) | Magnetic energy high-purity pressure regulating control valve | |
| CN219734258U (en) | Pneumatic flow control valve | |
| CN109373043B (en) | Anti-blocking multifunctional electromagnetic valves | |
| CN110966451A (en) | Electromagnetic locking pressure reducing valve | |
| CN218494315U (en) | Electric two-way regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jin Yuzhen Inventor after: Deng Ruoyu Inventor after: Li Jun Inventor after: Hu Xudong Inventor before: Deng Ruoyu Inventor before: Jin Yuzhen Inventor before: Li Jun Inventor before: Hu Xudong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DENG RUOYU JIN YUZHEN LI JUN HU XUDONG TO: JIN YUZHEN DENG RUOYU LI JUN HU XUDONG |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20161101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |