CN203103049U - Ratio electromagnet - Google Patents
Ratio electromagnet Download PDFInfo
- Publication number
- CN203103049U CN203103049U CN 201320084864 CN201320084864U CN203103049U CN 203103049 U CN203103049 U CN 203103049U CN 201320084864 CN201320084864 CN 201320084864 CN 201320084864 U CN201320084864 U CN 201320084864U CN 203103049 U CN203103049 U CN 203103049U
- Authority
- CN
- China
- Prior art keywords
- spring
- iron core
- spring base
- hole
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Electromagnets (AREA)
Abstract
The utility model discloses a ratio electromagnet which comprises a casing (1), a coil assembly (2), pole shoes (3), a magnet isolation ring (4), a guide sleeve (5), an iron core (6) and a push rod (7). A power connector (8) is connected onto the casing (1), a spring seat (9) is fixedly connected with the right end of the iron core (6), a through hole matched with the spring seat (9) is formed on the right end face of the casing (1), an adjusting screw (10) is arranged at the right end of the through hole, and a spring (11) is arranged between the adjusting screw (10) and the spring seat (9). The ratio electromagnet has the advantages that by addition of the spring seat, the spring and the adjusting screw, prestress exerted on the iron core of the electromagnet through the spring by adjusting the adjusting screw can be conveniently changed, acting force of the magnet under certain current or voltage is changed, the acting force of the ratio magnet under certain current or voltage can be adjusted, and the ratio electromagnet is compact and simple in structure, reasonable in design, convenient to adjust and strong in practicality.
Description
Technical field
The utility model relates to a kind of electromagnet, particularly a kind of proportion electro-magnet.
Background technology
Proportion electro-magnet is the important component part of proportioning valve, proportioning valve is under the effect of proportion electro-magnet, can realize the isoparametric proportional control of pressure, flow to hydraulic system, described proportional control is exactly the displacement of coming the control ratio valve core by the current value that controller change proportion electro-magnet Inside coil feeds, thereby change the opening amount of proportioning valve valve port, realize proportional control.
The proportion electro-magnet structure mainly is made up of iron core, guide pin bushing, magnetism-isolating loop, pole shoe, housing, coil, push rod, configuration communication helix tubular type control coil between guide pin bushing and housing, shell adopts permeability magnetic material, to form magnetic loop, pole shoe, magnetism-isolating loop and guide pin bushing all are located in the inner chamber of coil block, the right-hand member that is arranged in the push rod of pole shoe inner chamber is connected with the iron core of guide pin bushing inner chamber, is connected with power connection on the housing, and power connection is electrically connected with coil block.
The electromagnet in work, under energising or outage or certain electric current (voltage), iron core can arrive assigned address rapidly and accurately, but in fact owing to have inductance and iron core quality, or the reason of load, make the motion process of iron core become complicated, electromagnetically operated valve adhesive motion process can be divided into two stages: adhesive contact transfer time and adhesive run duration, the adhesive contact transfer time is to obtain voltage from coil to play the process that electric current increases to the attract current position exponentially, iron core not motion as yet in this process, be because depend on the structure with electromagnet the lag time that the inertia of electricity and magnetic causes during this period of time, material, coil voltage, the size of inductance; After entering the adhesive run duration stage, suction is greater than pretightning force, the iron core setting in motion, the electrorheological law is with regard to more complicated: because working gas gap reduces in the iron core motion process gradually, coil inductance is increased gradually and produce back-emf, it is with the self-induction of loop electromotive force, the common growth that stops coil current, not only no longer increase after causing coil current to increase to a certain degree, the trend of reducing is arranged on the contrary, and up to the iron core closure, working gas gap no longer changes, back-emf is zero, and electric current rises to steady-state current by new exponential curve.Depend on the various resistances that spool is suffered during this period of time.For the dispose procedure of electromagnetically operated valve, if ignore the influence of eddy current in the magnetic conductor, after the coil signal excision, electric current reduces to zero immediately, and iron core is setting in motion immediately, approaches zero so it discharges contact transfer time, and is short far beyond the adhesive contact transfer time.
Existing proportion electro-magnet active force when certain curtage is constant nonadjustable, when operating mode changes, needs the cost plenty of time to regulate, so that proportion electro-magnet is applicable to corresponding operating mode, realizes proportional control again.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, provide a kind of when certain curtage the adjustable proportion electro-magnet of active force.
The purpose of this utility model is achieved through the following technical solutions: a kind of proportion electro-magnet, it comprises housing, coil block, pole shoe, magnetism-isolating loop, guide pin bushing, be arranged in the iron core of magnetism-isolating loop and guide pin bushing inner chamber and the push rod that is arranged in the pole shoe inner chamber, the right-hand member of push rod is connected with iron core, pole shoe is connected the left end of housing, guide pin bushing is connected with pole shoe by magnetism-isolating loop, pole shoe, magnetism-isolating loop and guide pin bushing all are located in the inner chamber of coil block, coil block is arranged in the housing inner chamber, be connected with power connection on the housing, power connection is electrically connected with coil block, the right-hand member of described iron core is fixedly connected with spring base, the right side of housing is provided with the through hole that cooperates with spring base, spring base is positioned at the left side of the inside of through hole, the right-hand member of through hole is provided with internal thread, and the through hole right-hand member is equipped with the adjustment screw that is connected with through hole by screw thread, is provided with spring between the left end of adjustment screw and the spring base, spring one end presses on the spring base, and the other end of spring presses on the adjustment screw.
Described spring base is a column type, and spring base and through hole are matched in clearance.
Described adjustment screw is positioned on the part of outside and also is set with the dense block jack panel
The utlity model has following advantage:
The utility model is by setting up spring base, spring and adjustment screw, can change the pretightning force of spring action on electromagnet core by regulating adjustment screw easily, thereby change the size of electromagnet active force when a certain curtage, realized the scalable of proportion electro-magnet active force when certain curtage, thereby made electromagnet go for the operating mode of multiple different active force demands.
Adopt the ratio flow or the pressure valve of this proportion electro-magnet, can regulate the flow of proportion magnetic valve output in certain curtage scope or the size of pressure, can make electromagnetically operated valve satisfy the demand of each operating mode by the adjusting adjustment screw.
The utility model is simple and compact for structure, reasonable in design, the convenient adjusting, practical, expand proportion electro-magnet, and adopted the scope of application of the electronically controlled proportional valve of the utility model proportion electro-magnet, simplified the structure of electronically controlled proportional valve joint, reduced the manufacturing cost of electronically controlled proportional valve, the adjusting time when having saved proportion electro-magnet and being applied to different operating mode, be beneficial to and increase work efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Among the figure, 1-housing, 2-coil block, 3-pole shoe, 4-magnetism-isolating loop, 5-guide pin bushing, 6-iron core, 7-push rod, 8-power connection, 9-spring base, 10-adjustment screw, 11-spring, 12-dense block jack panel.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described, protection range of the present utility model is not limited to the following stated:
As shown in Figure 1, a kind of proportion electro-magnet, it comprises housing 1, coil block 2, pole shoe 3, magnetism-isolating loop 4, guide pin bushing 5, be arranged in the iron core 6 of magnetism-isolating loop 4 and guide pin bushing 5 inner chambers and the push rod 7 that is arranged in pole shoe 3 inner chambers, the right-hand member of push rod 7 is connected with iron core 6, pole shoe 3 is connected the left end of housing 1, guide pin bushing 5 is connected with pole shoe 3 by magnetism-isolating loop 4, pole shoe 3, magnetism-isolating loop 4 all is located in the inner chamber of coil block 2 with guide pin bushing 5, coil block 2 is arranged in housing 1 inner chamber, be connected with power connection 8 on the housing 1, power connection 8 is electrically connected with coil block 2, the right-hand member of described iron core 6 is fixedly connected with spring base 9, the right side of housing 1 is provided with the through hole that cooperates with spring base 9, and spring base 9 is positioned at the left side of the inside of through hole, and the right-hand member of through hole is provided with internal thread, the through hole right-hand member is equipped with the adjustment screw 10 that is connected with through hole by screw thread, be provided with spring 11 between the left end of adjustment screw 10 and the spring base 9, spring 11 1 ends press on the spring base 9, and the other end of spring 11 presses on the adjustment screw 10.
Described spring base 9 is a column type, and its right-hand member is provided with cavity volume, and the left end of spring 11 is arranged in the cavity volume, and spring base 9 is a matched in clearance with through hole, and spring 11 acts on the iron core 6 by spring base 9, and spring base 9 can prevent spring 11 unstabilitys.
The course of work of the present utility model is as follows: can regulating spring 11 act on pretightning force on the iron core 6 by spring base 9 by regulating adjustment screw 10, thereby the active force that changes iron core 6 is exported adjustable external active force when guaranteeing the different curtage of electromagnet, satisfy the demand of different operating modes, set up the back and realize being locked adjustment screw 10 by screwing hermetic locking nut 12.
Claims (3)
1. proportion electro-magnet, it comprises housing (1), coil block (2), pole shoe (3), magnetism-isolating loop (4), guide pin bushing (5), be arranged in the iron core (6) of magnetism-isolating loop (4) and guide pin bushing (5) inner chamber and the push rod (7) that is arranged in pole shoe (3) inner chamber, the right-hand member of push rod (7) is connected with iron core (6), pole shoe (3) is connected the left end of housing (1), guide pin bushing (5) is connected with pole shoe (3) by magnetism-isolating loop (4), pole shoe (3), magnetism-isolating loop (4) all is located in the inner chamber of coil block (2) with guide pin bushing (5), coil block (2) is arranged in housing (1) inner chamber, be connected with power connection (8) on the housing (1), power connection (8) is electrically connected with coil block (2), it is characterized in that: the right-hand member of described iron core (6) is fixedly connected with spring base (9), the right side of housing (1) is provided with the through hole that cooperates with spring base (9), spring base (9) is positioned at the left side of the inside of through hole, the right-hand member of through hole is provided with internal thread, the through hole right-hand member is equipped with the adjustment screw (10) that is connected with through hole by screw thread, be provided with spring (11) between the left end of adjustment screw (10) and the spring base (9), spring (11) one ends press on the spring base (9), and the other end of spring (11) presses on the adjustment screw (10).
2. a kind of proportion electro-magnet according to claim 1 is characterized in that: described spring base (9) is a column type, and spring base (9) is a matched in clearance with through hole.
3. a kind of proportion electro-magnet according to claim 1 is characterized in that: described adjustment screw (10) is positioned on the outside part of housing (1) and also is set with dense block jack panel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084864 CN203103049U (en) | 2013-02-25 | 2013-02-25 | Ratio electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084864 CN203103049U (en) | 2013-02-25 | 2013-02-25 | Ratio electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103049U true CN203103049U (en) | 2013-07-31 |
Family
ID=48854435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084864 Expired - Fee Related CN203103049U (en) | 2013-02-25 | 2013-02-25 | Ratio electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117148A (en) * | 2013-02-25 | 2013-05-22 | 四川省宜宾普什驱动有限责任公司 | Proportion electromagnet |
| CN105448460A (en) * | 2015-12-11 | 2016-03-30 | 苏州源硕精密模具有限公司 | Proportional electromagnet device |
-
2013
- 2013-02-25 CN CN 201320084864 patent/CN203103049U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117148A (en) * | 2013-02-25 | 2013-05-22 | 四川省宜宾普什驱动有限责任公司 | Proportion electromagnet |
| CN103117148B (en) * | 2013-02-25 | 2015-07-22 | 四川省宜宾普什驱动有限责任公司 | Proportion electromagnet |
| CN105448460A (en) * | 2015-12-11 | 2016-03-30 | 苏州源硕精密模具有限公司 | Proportional electromagnet device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103117148B (en) | Proportion electromagnet | |
| CN101617156A (en) | Solenoid valve | |
| CN204284055U (en) | Plug-in type three-way type proportional pressure-reducing valve | |
| CN203258106U (en) | Direct-acting proportional reversing valve | |
| CN104315226A (en) | Solenoid valve for fluid control | |
| CN204099146U (en) | Hydraulic variable displacement pump | |
| CN203103049U (en) | Ratio electromagnet | |
| CN106438260B (en) | Hydraulic axial plunger pump electricity proportional power control mechanism and control mode | |
| CN106351902B (en) | Hydraulic axial plunger pump electricity proportional displacement control mechanism | |
| CN101469696A (en) | Electrical controlled valve of variable displacement compressor | |
| CN204141008U (en) | The solenoid valve that a kind of fluid controls | |
| CN101975291B (en) | Electron pressure regulating valve | |
| CN214578002U (en) | Plug-in two-way proportional speed regulating valve | |
| CN201954048U (en) | Integrated valve | |
| CN205478035U (en) | High pressure fuel solenoid valve | |
| CN111306333B (en) | Safety valve | |
| CN103511369A (en) | Multi-gear power control variable piston pump | |
| CN209586646U (en) | A kind of split type flow double-control apparatus for water pump | |
| CN203476868U (en) | Novel control oil passage structure for hydraulic pump | |
| CN102042414A (en) | Direct-acting type electromagnetic regulating valve with locating stud | |
| CN102128297A (en) | Directly operated type electromagnetic regulating valve regulated separately | |
| CN202381336U (en) | Slide valve position feedback device of helical-lobe compressor | |
| CN206129468U (en) | Automatically controlled VE pump | |
| CN201827470U (en) | Electronic pressure adjusting valve | |
| CN206636964U (en) | It is a kind of can it is electrodeless control braking torque electricity loss brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20190225 |