CN201779432U - Assembled electromagnetic jet valve - Google Patents
Assembled electromagnetic jet valve Download PDFInfo
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- CN201779432U CN201779432U CN2010202945987U CN201020294598U CN201779432U CN 201779432 U CN201779432 U CN 201779432U CN 2010202945987 U CN2010202945987 U CN 2010202945987U CN 201020294598 U CN201020294598 U CN 201020294598U CN 201779432 U CN201779432 U CN 201779432U
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- main valve
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Abstract
The utility model relates to an assembled electromagnetic jet valve which comprises a main valve, a pilot valve and an aviation plug, wherein the main valve comprises a jet valve seat block, a main valve cylinder body, a piston seat, a main valve spring, a sealing body, a screw plug, a piston and a sealing ring; the pilot valve is installed in the jet valve seat block; and the pilot valve comprises a pilot valve spring, a sealing cover, a drain plug, a pilot head, a soft seal, a dynamic magnetic core, a nut, an electromagnet, a main valve cylinder body screw and a sealing cover screw. The piston in the main valve moves in the main valve cylinder body to realize the purpose of opening or closing a main valve oil port, and the pilot valve which is installed in the jet valve seat block controls the position of the dynamic magnetic core in the pilot valve according to the electrification conditions of the electromagnet to realize the purpose of controlling the oil port to be opened or closed by the pilot valve, thereby controlling the motion of the piston in the corresponding main valve. The utility model has the advantages that the main valve is opened or closed by switching on or switching off the electromagnet of the pilot valve, air does not need to be compressed, the problems caused by using the compressed air for driving are avoided, the response speed is increased, the assembled integration degree is high, and the installation efficiency is effectively enhanced.
Description
Technical field
The utility model relates to a kind of injection valve, relates in particular on a kind of non-ferrous metal processing strip foil rolling mill injection valve as the technological lubrication cooling system.
Background technique
Usually injection valve is installed in the spray beam casing, and according to use condition, the driving element of valve can move opening or closing between the position.
On non-ferrous metal processing strip foil rolling mill, what generally adopt is diaphragm type jet valve or air cylinder type injection valve at present.On structure, the diaphragm type jet valve relies on motion of membrane to realize switch and sealing, and air cylinder type injection valve relies on piston motion to realize switch and sealing, and these two kinds of forms all need compressed air-driven when using.Because the transmission and the drain time of compressed air pressure are longer, cause the injection valve speed of response slower, and well sealing of compressed air line, if gas leakage directly causes injection valve malfunctioning.For the diaphragm type jet valve, if diaphragm seal is tight or damage, more has ROLLING OIL and scurry into pressurized air and enter electromagnetic gas valve with pressurized air, cause the electromagnetic gas valve cisco unity malfunction.
The model utility content
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of combined installation electromagnetic jet valve is provided.
The purpose of this utility model is achieved through the following technical solutions:
Combined installation electromagnetic jet valve, characteristics are: comprise main valve, pilot valve and air plug, described main valve comprises injection valve saddle, main valve cylinder body, piston seat, main spool spring, seal, plug screw and piston, seal is embedded in the piston seat, piston seat is fixed in an end of main valve cylinder body, plug screw is fixed in the other end of main valve cylinder body, and the piston that moves with respect to piston seat places the main valve cylinder body, and main spool spring is arranged in the piston and is resisted against on the plug screw; Described pilot valve is installed in the injection valve saddle, pilot valve comprises the pilot valve spring, capping, drain plug, pilot head, soft seal, sealing, moving magnetic core, nut, electromagnet, sealing resin, main valve cylinder body screw, capping screw and wire groove, soft seal is pressed in the moving magnetic core, moving magnetic core places pilot head, the pilot valve spring is arranged on the step that moves magnetic core and is resisted against on the step of pilot head, pilot head and drain plug are fixed on the injection valve saddle, electromagnet is fixed on the pilot head by nut, capping by the capping screw on the injection valve saddle, the position that is positioned at the installation electromagnet in the injection valve saddle is provided with and is used for the wire groove that electric wire passes, and sealing resin is cast in the wire groove; On the injection valve saddle, the air plug that is used for the injection valve back panel wiring is fixed in the injection valve saddle to the main valve cylinder body by main valve cylinder body screw.
Further, above-mentioned combined installation electromagnetic jet valve wherein, is equipped with two and is used for fastening counterbore on described plug screw, piston seat, the drain plug.Have on the described nut and be used for fastening groove.Described pilot head is made of plunger tube and magnetostatic core, and plunger tube and magnetostatic core are by being welded to connect, and moving magnetic core moves in the plunger tube tube chamber of pilot head.The outer end of the magnetostatic core of described pilot head is useful on the axial seal groove that sealing is installed.The magnetostatic in-core end of described pilot head, drain plug inner end all have a seal convexity that is used for soft seal sealing.There are two steps described main valve cylinder body outside, and following place, stepped screw hole ream is flat, by screw main valve cylinder body and injection valve saddle is fixed.The position that is positioned at the installation electromagnet in the described injection valve saddle is provided with and is used for the wire groove that electric wire passes.
The characteristics of technical solutions of the utility model and being mainly reflected in:
The utility model modern design, the motion of piston in the main valve cylinder body realizes the switch of main valve hydraulic fluid port in the main valve, be installed in the position of moving magnetic core in the charged state control pilot valve of pilot valve in the injection valve saddle by electromagnet, realize the break-make of pilot valve control port, and then control the motion of piston in the corresponding main valve.The utility model is realized the main valve switch by pilot valve magnet switching electricity, does not need pressurized air, has stopped the problem that in the past occurred owing to the use compressed air-driven, and has improved speed of response; The integrated degree height of its stack mounting has effectively promoted installation efficiency.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1 is the cross-sectional view of the utility model injection valve main valve;
Fig. 2 for Fig. 1 at A-A place profile, that is to say the pilot valve cross-sectional view of amplification;
Fig. 3 is the plan view at main valve cylinder body place among Fig. 1;
Fig. 4 includes the worm's eye view of B-B sectional drawing for capping place among Fig. 2.
The implication of each reference character sees the following form among the figure:
Embodiment
A kind of combined installation electromagnetic jet valve, comprise by main valve, pilot valve and air plug 10, as shown in Figure 1, main valve includes injection valve saddle 2, main valve cylinder body 3, piston seat 4, main spool spring 5, seal 6, plug screw 7, piston 8, seal ring 9, seal 6 is embedded in the piston seat 4, piston seat 4 is fixed in an end of main valve cylinder body 3, plug screw 7 is fixed in the other end of main valve cylinder body 3, piston 8 with respect to piston seat 4 motions places main valve cylinder body 3, piston 8 can be with respect to piston seat 4 motions, and main spool spring 5 is arranged in the piston 8 and is resisted against on the plug screw 7; As shown in Figure 2, pilot valve includes pilot valve spring 11, capping 12, drain plug 13, pilot head 14, soft seal 15, sealing 16, moving magnetic core 17, nut 18, electromagnet 19, sealing resin 20, main valve cylinder body screw 21, capping screw 22, wire groove 23, soft seal 15 is pressed in the moving magnetic core 17, moving magnetic core 17 can move in pilot head 14, pilot valve spring 11 is arranged on the step that moves magnetic core 17 and is resisted against on the step of pilot head 14, pilot head 14 and drain plug 13 are fixed on the injection valve saddle 2, electromagnet 19 is fixed on the pilot head 14 by nut 18, and capping 12 is fixed on the injection valve saddle 2 by capping screw 22; The position that is positioned at the installation electromagnet in the injection valve saddle 2 is provided with and is used for the wire groove 23 that electric wire passes, and sealing resin 20 is cast in the wire groove 23; Main valve cylinder body 3 is fixed on the injection valve saddle 2 by main valve cylinder body screw 21, and air plug 10 is used for the back panel wiring of injection valve, and is fixed in injection valve saddle 2; Pilot valve is installed in the injection valve saddle 2, and seal ring 9 is fixed on the inward flange on the top of main valve cylinder body 3.
Wherein, capping 12 axially outer, middle part has a breach that is used to link up duct A21, shown in B-B among Fig. 2 and Fig. 4, and is useful on the tapped hole that splits out capping on the duct.All there are two to be used for fastening counterbore on plug screw 7, piston seat 4, the drain plug 13.Have on the nut 18 and be used for fastening groove.Pilot head 14 is made of plunger tube and magnetostatic core, and plunger tube and magnetostatic core be by welding, and moving magnetic core 17 can move in the plunger tube tube chamber of pilot head 14.There is the axial seal groove the magnetostatic core outer end of pilot head 14, is used for installing sealing 16; There are the fastening groove that is used for less than the seal groove diameter, the preferred yi word pattern of this groove in its top.Magnetostatic in-core end, drain plug 13 inner ends of pilot head 14 all have a projection, are beneficial to the sealing with soft seal 15.There are two steps main valve cylinder body 3 outsides, and following place, stepped screw hole ream is flat, and is as shown in Figure 3, with screw 21 that main valve cylinder body 3 is fixing with injection valve saddle 2.In the injection valve saddle 2, the wire groove 23 that supply lines passes is positioned at the electromagnet mounting point, and wire groove 23 is perpendicular with pilot head 14.All be provided with seal ring between interconnective two parts.
When using, every group of injection valve also can have several injection valve main valves and corresponding pilot valve and guarantee that the air plug of pilot valve wiring is installed on the injection valve saddle, and integral body depends on the spray beam casing and installs.The motion of piston in the main valve cylinder body realizes the switch of main valve hydraulic fluid port in the main valve, be installed in the position of moving magnetic core in the charged state control pilot valve of pilot valve in the injection valve saddle by electromagnet, realize the break-make of guide's control port, and then control the motion of piston in the corresponding main valve.
A21 is No. 1 control channel of No. 2 injection valves, and purpose is that the pressure oil in the spray beam casing 1 is introduced pilot valve, realizes by the auxiliary hole in injection valve saddle 2; A22 is No. 2 control channels of No. 2 injection valves, and purpose is that the piston cavity of pilot valve and main valve is linked up, and realizes by the auxiliary hole in injection valve saddle 2; D2 is the injection channel of No. 2 injection valves, is arranged on the injection valve saddle 2 to be communicated with main valve; E2 is the oil inlet passage of No. 2 injection valves, is arranged on the main valve cylinder body; F2 is the discharge passage of the pilot valve of No. 2 injection valves, is arranged at the center of drain plug 13.
During concrete the application, above-mentioned injection valve is depended on spray beam casing 1 install, the B mouth on the spray beam casing 1 is used to connect the pressured fluid conveyance conduit, and the C mouth is used to connect trunking; Be full of the liquid that pressure is arranged in the spray beam casing 1, according to the requirement of rolling mill practice process, whether decision sprays to roll and rolled piece by injection valve.When 19 outages of pilot valve electromagnet, moving magnetic core 17 moves to drain plug 13 under the effect of pilot valve spring 11, the passage of A22 towards F2 sealed in the soft seal 15 that is contained in moving magnetic core 17 inside, opened the passage of A21 simultaneously towards A22, there is this moment the liquid of pressure just to enter the epicoele of piston 8 in the spray beam casing 1 by A21, A22, piston 8 is pressed against under the effect of the spring force of main spool spring 5 and this pressure on the seal 6 in the piston seat 4, blocked the passage of main valve E2 to D2, the realization injection valve cuts out.When pilot valve electromagnet 19 is charged, moving magnetic core 17 is in the magnetostatic core motion of the spring force that overcomes pilot valve spring 11 under the effect of electromagnetic force in pilot head 14, the passage of A21 towards A22 sealed in the soft seal 15 that is contained in moving magnetic core 17 inside, opened the passage of A22 simultaneously towards F2, this moment, piston 8 epicoeles had the liquid of pressure just to pass through A22, F2 is discharged into milling train and loses pressure, and the liquid that pressure arranged in the spray beam casing 1 acts on the annulus area of piston 8 lower ends after by passage E2, the power that is produced is enough to overcome the spring force of main spool spring 5 and minimum frictional force promotion piston 8 motions, open the passage of main valve E2 to D2, the realization injection valve is opened.
Combinations thereof is installed electromagnetic jet valve, does not need pressurized air, stops because the injection valve that air pipe line gas leakage causes is malfunctioning, and improves the speed of response of injection valve.
It below only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1. combined installation electromagnetic jet valve, it is characterized in that: comprise main valve, pilot valve and air plug (10), described main valve comprises injection valve saddle (2), main valve cylinder body (3), piston seat (4), main spool spring (5), seal (6), plug screw (7) and piston (8), seal (6) is embedded in the piston seat (4), piston seat (4) is fixed in an end of main valve cylinder body (3), plug screw (7) is fixed in the other end of main valve cylinder body (3), piston (8) with respect to piston seat (4) motion places main valve cylinder body (3), and main spool spring (5) is arranged in the piston (8) and is resisted against on the plug screw (7); Described pilot valve is installed in the injection valve saddle (2), pilot valve comprises pilot valve spring (11), capping (12), drain plug (13), pilot head (14), soft seal (15), sealing (16), moving magnetic core (17), nut (18), electromagnet (19), sealing resin (20), main valve cylinder body screw (21), capping screw (22) and wire groove (23), soft seal (15) is pressed in the moving magnetic core (17), moving magnetic core (17) places pilot head (14), pilot valve spring (11) is arranged on the step of moving magnetic core (17) and is resisted against on the step of pilot head (14), pilot head (14) and drain plug (13) are fixed on the injection valve saddle (2), electromagnet (19) is fixed on the pilot head (14) by nut (18), capping (12) is fixed on the injection valve saddle (2) by capping screw (22), be positioned at the position that electromagnet is installed in the injection valve saddle (2) and be provided with the wire groove (23) that is used for electric wire and passes, sealing resin (20) is cast in the wire groove (23); Main valve cylinder body (3) is fixed on the injection valve saddle (2) by main valve cylinder body screw (21), and the air plug (10) that is used for the injection valve back panel wiring is fixed in injection valve saddle (2).
2. combined installation electromagnetic jet valve according to claim 1 is characterized in that: be equipped with two on described plug screw (7), piston seat (4), the drain plug (13) and be used for fastening counterbore.
3. combined installation electromagnetic jet valve according to claim 1 is characterized in that: have on the described nut (18) and be used for fastening groove.
4. combined installation electromagnetic jet valve according to claim 1 is characterized in that: described pilot head (14) is made of plunger tube and magnetostatic core, and plunger tube and magnetostatic core are by being welded to connect, and moving magnetic core (17) places the plunger tube tube chamber of pilot head (14).
5. combined installation electromagnetic jet valve according to claim 4 is characterized in that: the outer end of the magnetostatic core of described pilot head (14) is useful on the axial seal groove that sealing (16) is installed.
6. combined installation electromagnetic jet valve according to claim 4 is characterized in that: the magnetostatic in-core end of described pilot head (14) is provided with one and is used for and the seal convexity of soft seal (15) sealing.
7. combined installation electromagnetic jet valve according to claim 1 is characterized in that: described drain plug (13) inner end all has one to be used for and the seal convexity of soft seal (15) sealing.
8. combined installation electromagnetic jet valve according to claim 1 is characterized in that: there are two steps described main valve cylinder body (3) outside, and following place, stepped screw hole ream is flat, and is by screw (21) that main valve cylinder body (3) and injection valve saddle (2) is fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202945987U CN201779432U (en) | 2010-08-17 | 2010-08-17 | Assembled electromagnetic jet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202945987U CN201779432U (en) | 2010-08-17 | 2010-08-17 | Assembled electromagnetic jet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779432U true CN201779432U (en) | 2011-03-30 |
Family
ID=43792643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202945987U Expired - Lifetime CN201779432U (en) | 2010-08-17 | 2010-08-17 | Assembled electromagnetic jet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915314A (en) * | 2010-08-17 | 2010-12-15 | 苏州有色金属研究院有限公司 | Combined installation electromagnetic jet valve |
-
2010
- 2010-08-17 CN CN2010202945987U patent/CN201779432U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915314A (en) * | 2010-08-17 | 2010-12-15 | 苏州有色金属研究院有限公司 | Combined installation electromagnetic jet valve |
| CN101915314B (en) * | 2010-08-17 | 2012-05-30 | 苏州有色金属研究院有限公司 | Combined installation electromagnetic jet valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20120530 |