CN203644493U - Electromagnet device - Google Patents
Electromagnet device Download PDFInfo
- Publication number
- CN203644493U CN203644493U CN201320870792.9U CN201320870792U CN203644493U CN 203644493 U CN203644493 U CN 203644493U CN 201320870792 U CN201320870792 U CN 201320870792U CN 203644493 U CN203644493 U CN 203644493U
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- China
- Prior art keywords
- iron core
- static iron
- spring support
- contact spring
- spring
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 116
- 230000003068 static effect Effects 0.000 claims abstract description 57
- 230000004308 accommodation Effects 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 description 8
- 230000011664 signaling Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- Electromagnets (AREA)
Abstract
The utility model discloses an electromagnet device, and belongs to the technical field of low-voltage apparatuses. The electromagnet device comprises a coil former, a movable iron core, a coil, a contact pressure spring and two static iron cores, wherein the movable iron core is movably arranged inside the coil former, the coil is wound around the coil former, and the static iron cores are arranged on the two corresponding sides of the coil respectively in a face-to-face mode. The electromagnet device is characterized by further comprising a spring support, one side of the spring support is in guiding fit with the contact pressure spring, and the other side of the spring support is in stationary fit with the two static iron cores so as to keep the preset distance between the two static iron cores unchanged. Due to the facts that the spring support is additional arranged, one side of the spring support is in guiding fit with the contact pressure spring, and the other side of the spring support is in stationary fit with the two static iron cores, the contact pressure spring can be guided, and meanwhile the static iron cores can be positioned and fixed so as to keep the preset distance between the two static iron cores unchanged. According to the electromagnet device, the size of the coil former is obviously reduced, and the whole size of an electrical device provided with the electromagnet device of the structure is reduced.
Description
Technical field
The utility model belongs to low voltage electrical apparatus technology field, is specifically related to a kind of electromagnet apparatus, is applied on the electric equipment such as contactor, controller and protector.
Background technology
Electromagnet apparatus is widely used on the electric equipment of contactor, controller and protector of being not limited to exemplify above and so on, and is no lack of and is seen in disclosed China and foreign countries patent documentation, typically has the electromagnet of contact boss as CN202905358U().
As is known in the industry, electromagnet apparatus comprises coil rack, is movably arranged on moving iron core in coil rack, winding coil, contact spring on coil rack and is arranged on respectively the yoke component of the corresponding both sides of coil with aspectant state, and yoke component comprises static iron core (also claiming C shape or U-shaped yoke), permanent magnet and auxiliary yoke iron (also claiming a point magnetic sheet).The shape of moving iron core is the H shape of English alphabet, one end of contact spring is bearing in moving iron core on the wall body of coil rack one side, and the other end is bearing in coil rack on the wall body of moving iron core one side, that is to say that contact spring is between moving iron core and two of coil rack adjacent wall bodies, structure like this can be confirmed by the CN202905358U exemplifying above.
But said structure still has room for improvement, for above-mentioned prior art, the applicant has done useful design, formed technical scheme described below, and taked the laboratory the applicant under secrecy provision to make analogue test, it is practicable that result proves.
Summary of the invention
It is fixing to static iron core location when task of the present utility model is to provide a kind of can guiding to contact spring, the gap that keeps default between two static iron cores is constant, and the setting position of contact spring is rationally used the electromagnet apparatus that dwindles coil rack volume.
Task of the present utility model completes like this, a kind of electromagnet apparatus, comprise coil rack, be arranged at the moving iron core in coil rack actively, coil, the contact spring of winding on coil rack and be arranged on respectively two static iron cores of the corresponding both sides of coil with aspectant situation, it is characterized in that: also include a spring support, one side of this spring support and contact spring guiding coordinates, opposite side respectively and two static iron cores fix and coordinate and use and make distance default between two static iron cores constant.
In a specific embodiment of the present utility model, described static iron core has a pair of vertical wall corresponding to each other, the top of one of them vertical wall in this pair of vertical wall and form and have a cavity towards a side in the static iron core chamber of described static iron core, in cavity, offer location hole, form and have the surperficial locating shaft that is raised in spring support in a described side of described spring support, there is a surperficial guide that is raised in equally spring support and form in the described opposite side of spring support and the middle position that is positioned at the short transverse of spring support, wherein: described locating shaft matches with location hole, described contact spring is nested with on guide.
In another specific embodiment of the present utility model, described moving iron core is made up of the first wall body, the second wall body and cylinder, the first wall body is positioned at one end of cylinder, and the second wall body is positioned at the other end of cylinder, wherein: the axial central authorities of cylinder form a contact spring accommodation hole, described contact spring is placed in this contact spring accommodation hole, and this contact spring leans out contact spring accommodation hole position, aperture towards one end of described guide is supported on guide.
The technical scheme that the utility model provides is owing to having set up spring support, one side of this spring support coordinates with contact spring guiding, opposite side fixes and coordinates with two static iron cores respectively, fixing to static iron core location when can leading to contact spring, to keep distance default between two static iron cores constant.Contact spring is arranged in moving iron core with hidden state; thereby without the space that reserves the length degree that contact spring is set for coil rack; thereby be conducive to significantly dwindle the volume of coil rack, the overall volume of the electric device such as motor starter, controller, protector, contactor of the electromagnet apparatus of equipping the utility model structure is dwindled.
Accompanying drawing explanation
Fig. 1 is perspective exploded view of the present utility model.
Fig. 2 is the detailed construction schematic diagram of a pair of static iron core shown in Fig. 1.
Fig. 3 is the detailed structure view of the spring support shown in Fig. 1.
Fig. 4 is the detailed structure view of the moving iron core shown in Fig. 1.
Fig. 5 is the cutaway view of Fig. 4.
Fig. 6 is the detailed structure view of the auxiliary yoke iron shown in Fig. 1.
Fig. 7 is the schematic diagram that removes the second skeleton body of coil rack in Fig. 1.
Fig. 8 is application examples schematic diagram of the present utility model.
Fig. 9 is the detailed structure view of the slide block shown in Fig. 8.
Figure 10 is the detailed structure view of the signaling switch actuator shown in Fig. 8.
Embodiment
Refer to Fig. 1 to Fig. 6, the structural system of the electromagnet apparatus that the utility model provides is as follows: comprise coil rack 1, be arranged at movably the moving iron core 3 of activity in coil rack 1, the coil 4 of winding on coil rack 1, contact spring 7 and be arranged on respectively each yoke component of the corresponding both sides of coil 4 with aspectant state with symmetrical state, hence one can see that, because yoke component has a pair of, therefore form the static iron core 2 of a pair of yoke component, permanent magnet 6 and auxiliary yoke iron 5 are also each own a pair of, although description is below only for one, but can't produce puzzlement to understanding.As shown in Figure 1, permanent magnet 6 and auxiliary yoke iron 5 are positioned at the static iron core chamber 24 that shape is U font.
The technical essential of the technical scheme providing as the utility model: aforesaid electromagnet apparatus also includes a spring support of setting up 8, one side of this spring support 8 matches with static iron core 2 towards a side of static iron core 2, aforesaid contact spring 7 is arranged in moving iron core 3 with concealed manner with hidden state, and with the opposite side of spring support 8 with the side contacts of spring support 8 towards moving iron core 3.
By shown in Fig. 1 to Fig. 2, static iron core 2 has a pair of vertical wall corresponding to each other 20, the top of one of them vertical wall (vertical wall of the rear side of location status shown in Fig. 2) in this pair of vertical wall 20 and form and have a cavity 22 towards a side in static iron core chamber 24, one side of aforesaid spring support 8 forms a surperficial locating shaft 82 that is raised in spring support 8, and at the opposite side of spring support 8 and be positioned at the short transverse of spring support 8 or claim the middle position of length direction to form and have a surperficial guide 81 that is raised in equally spring support 8.Contact spring 7 is supported on guide 81.As shown in Figure 2, the quantity of locating shaft 82 is a pair of, and be distributed in the two ends of an aforementioned side of spring support 8, this is because as aforementioned, static iron core 2 has a pair of, one of them locating shaft in hence one can see that a pair of locating shaft 82 matches with one of them static iron core in a pair of static iron core 2, and another locating shaft in a pair of locating shaft 82 matches with another static iron core in a pair of static iron core 2, thereby realized when contact spring is led static iron core location fixing, to keep distance default between two static iron cores constant.
By Fig. 1,3 and Fig. 4 shown in, moving iron core 3 is made up of the first wall body 31, the second wall body 32 and cylinder 33, the first wall body 31 one are formed in one end of cylinder 33, and the second wall body 32 one are formed in the other end of cylinder 33, and the axial central authorities of cylinder 33 form a contact spring accommodation hole 330, aforesaid contact spring 7 is placed in this contact spring accommodation hole 330, and this contact spring 7 leans out contact spring accommodation hole 330 position, aperture towards one end of aforementioned guide 81 is supported on guide 81.Contact spring 7 is so arranged at can confirm being arranged in moving iron core 3 with hidden state that applicant mentions in the above in contact spring accommodation hole 330, and and then the confirmation superincumbent technique effect of applicant hurdle in the technique effect that refers.
Formation have cavity 22 vertical wall 20 on and offering location hole 21 corresponding to the region of cavity 22, aforementioned locating shaft 82(also can claim locating flange, as follows) match and probe in location hole 21 with location hole 21.
Shown in Fig. 1,4 and 5, aforesaid moving iron core 3 is by the first wall body 31, the second wall body 32 and connect cylinder 33 between first, second wall body 31,32 and be configured to the structure of " work " font, between the first wall body 31 of this moving iron core 3 and cylinder 33, the second wall body 32 and cylinder 33, rivet or be welded to connect, this moving iron core 3 also can be made by panel beating, forms " work " character form structure.Be that aforesaid axial central authorities offer contact spring accommodation hole 330 in the centre of cylinder 33, on the first wall body 31 of moving iron core 3, be connected with first, second push rod 331,332 for activation point signaling switch, show at moving the first wall body 31 of iron core 3 and monosymmetric positioning boss 333(Fig. 4 that is provided with of the second wall body 32), on the second wall body 32, offer the spring corresponding with contact spring accommodation hole 330 and lean out hole 330, this spring leans out hole 330 and is the aperture of aforesaid contact spring accommodation hole 330.
The end of aforesaid spring support 8 forms the positioning end 80 being connected with two static iron cores 2 respectively, and aforesaid locating shaft 82 is formed on positioning end 80, and the centre position of a side of spring support 8 is provided with a guide 81.
The shape of aforesaid static iron core 2 takes the shape of the letter U, also can be C font, on the vertical wall 20 of this static iron core 2, be provided with the location hole 21 matching with locating shaft 82, this location hole 21 is positioned at the region of aforementioned cavity 22, is also provided with the boss 23 that keeps certain interval for electromagnet in make position (dynamic and static iron core attracted position) simultaneously.Certainly, spring support 8 of the present utility model is not limited to aforesaid way with coordinating of static iron core 2, also can on positioning end 80, location hole be set and establish locating shaft in static iron core 2 epireliefs, that is to say that locating shaft 82 and the position of location hole 21 can exchange.In addition, the height of cavity 22 might not be greater than the width of spring support 8 and spring support 8 be sunk to completely to the inside of cavity 22, as long as meet when electromagnet is in the time of make position, the boss 23 on static iron core 2 can be fitted with moving iron core 3.
On aforesaid auxiliary yoke iron 5, form have match with the detent 101 on coil rack 1 one group install positioning boss 53, for the boss 51 of fixed permanent magnet 6 and for electromagnet at the upper boss 52 that keeps certain interval of open position (dynamic and static iron core for energising time).
Refer to Fig. 7 to 10 and continue in conjunction with Fig. 1 to Fig. 6, aforesaid permanent magnet 6 shows by one group of boss 51(Fig. 6 on auxiliary yoke iron 5) location.Installing, static iron core 2 is front first by spring fairlead 9, contact spring 7 packs in the aforementioned contact spring accommodation hole 330 on the cylinder 33 that moves iron core 3 successively, guide on spring support 8 81 is passed to the rear compression contact of contact spring 7 spring 7, static iron core 2 can be in place, then discharge contact spring 7, make spring support 8 under the counter-force effect of contact spring 7, locating shaft 82 on spring support 8 can insert in the location hole 21 on static iron core 2, make moving iron core 3 in the cold situation of coil 4, all the time be positioned at one end of coil rack 1, and by the first push rod 331 on the first wall body 31 of moving iron core 3 and the externally open position signal of the moving iron core 3 of output of the second push rod 332, and when coil 4 is in the situation that switching on, static iron core 2 produces a suction to moving iron core 3, thereby overcome the pressure of contact spring 7 and the suction of permanent magnet 6, make iron core 3 move to the other end of coil rack 1, and by first, the second push rod 331, 332 externally export the make position signal of moving iron core 3.The first push rod 331 matches with the notch 241 on signaling switch actuator 25, and when moving iron core 3 is during by driving, the first push rod 331 moves promoting signaling switch actuator 25 after one section of idle stroke.The second push rod 332 is resisted against by torsion spring 25 on the face 261 of slide block 26 of motor starter, and both are linked together.Torsion spring 25 is sleeved on the boss 262 of slide block 26, slide block 26 links together by chute 264, slide rail 272 with signaling switch actuator 27, boss 271 on signaling switch actuator 27 is installed in the stopper slot 263 of slide block 26, and both can slidably reciprocate along a direction.In the time that moving iron core 3 is driven, slide block 26 is followed motion together, due to the spacing between the boss 271 on stopper slot 263 and signaling switch actuator 27 on slide block 26, thereby makes slide block 26 drive signaling switch actuator 27 to move after one section of idle stroke.On a vertical plane 20 of static iron core 2, be provided with boss 23, on an end face of auxiliary yoke iron 5, be also provided with boss 52, make electromagnet open position make moving iron core 3 and auxiliary yoke iron 5 between remain certain gap, play and control permanent magnet 6 to moving the effect of suction of iron core 3 by this gap; And between make position makes moving iron core 3 and static iron core 2, remain certain gap, with control coil 4 to moving the suction of iron core 3.
In sum, the utility model arranges spring support 8, and contact spring 7 one end are resisted against on moving iron core 3, and the other end is resisted against on spring support 8, spring support 8 matches with static iron core 2, and contact spring 7 is arranged in the contact spring accommodation hole 330 of the cylinder 33 of moving iron core 3.Fixing to static iron core location when can leading to contact spring due to arranging of spring support 8, to keep distance default between two static iron cores constant.Further, because moving iron core 3 has adopted the structure of hollow design, make that whole electromagnet apparatus is compacter, volume is little, location, the guiding of contact spring 7 are more correct, reliable.Make whole electromagnet apparatus dismounting convenient.
Claims (3)
1. an electromagnet apparatus, comprise coil rack (1), be arranged at actively the moving iron core (3) in coil rack (1), the coil (4) of winding on coil rack (1), contact spring (7) and be arranged on respectively two static iron cores (2) of the corresponding both sides of coil (4) with aspectant situation, it is characterized in that: also include a spring support (8), one side of this spring support (8) coordinates with contact spring (7) guiding, opposite side respectively and two static iron cores (2) fix to coordinate and use and make distance default between two static iron cores (2) constant.
2. a kind of electromagnet apparatus according to claim 1, it is characterized in that described static iron core (2) has a pair of vertical wall corresponding to each other (20), the top of one of them vertical wall in this pair of vertical wall (20) and form and have a cavity (22) towards a side in the static iron core chamber (24) of described static iron core (2), in cavity (22), offer location hole (21), form and have the surperficial locating shaft (82) that is raised in spring support (8) in a described side of described spring support (8), there is a surperficial guide (81) that is raised in equally spring support (8) and form in the described opposite side of spring support (8) and the middle position that is positioned at the short transverse of spring support (8), wherein: described locating shaft (82) matches with location hole (21), described contact spring (7) is nested with on guide (81).
3. a kind of electromagnet apparatus according to claim 2, it is characterized in that described moving iron core (3) is by the first wall body (31), the second wall body (32) and cylinder (33) form, the first wall body (31) is positioned at one end of cylinder (33), and the second wall body (32) is positioned at the other end of cylinder (33), wherein: the axial central authorities of cylinder (33) form a contact spring accommodation hole (330), described contact spring (7) is placed in this contact spring accommodation hole (330), and this contact spring (7) leans out contact spring accommodation hole (330) position, aperture towards one end of described guide (81) is supported on guide (81).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320870792.9U CN203644493U (en) | 2013-12-27 | 2013-12-27 | Electromagnet device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320870792.9U CN203644493U (en) | 2013-12-27 | 2013-12-27 | Electromagnet device |
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CN203644493U true CN203644493U (en) | 2014-06-11 |
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CN201320870792.9U Expired - Lifetime CN203644493U (en) | 2013-12-27 | 2013-12-27 | Electromagnet device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109817408A (en) * | 2017-11-21 | 2019-05-28 | 三花亚威科电器设备(芜湖)有限公司 | Electromagnet and solenoid valve with the electromagnet |
CN110767407A (en) * | 2019-10-14 | 2020-02-07 | 西南交通大学 | Multistable electromagnetic operating mechanism |
-
2013
- 2013-12-27 CN CN201320870792.9U patent/CN203644493U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109817408A (en) * | 2017-11-21 | 2019-05-28 | 三花亚威科电器设备(芜湖)有限公司 | Electromagnet and solenoid valve with the electromagnet |
CN109817408B (en) * | 2017-11-21 | 2022-05-10 | 三花亚威科电器设备(芜湖)有限公司 | Electromagnet and electromagnetic valve with same |
CN110767407A (en) * | 2019-10-14 | 2020-02-07 | 西南交通大学 | Multistable electromagnetic operating mechanism |
CN110767407B (en) * | 2019-10-14 | 2021-03-05 | 西南交通大学 | Multistable electromagnetic operating mechanism |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140611 |