CN108461354B - Electromagnetic switch - Google Patents
Electromagnetic switch Download PDFInfo
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- CN108461354B CN108461354B CN201810420797.9A CN201810420797A CN108461354B CN 108461354 B CN108461354 B CN 108461354B CN 201810420797 A CN201810420797 A CN 201810420797A CN 108461354 B CN108461354 B CN 108461354B
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- 230000000670 limiting effect Effects 0.000 claims abstract description 147
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims description 44
- 230000010355 oscillation Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 14
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H50/443—Connections to coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the technical field of switches, in particular to an electromagnetic switch, which comprises a frame body and: an electromagnetic coil mounted on the frame; the conductive structure is connected to the first end of the coil of the electromagnetic coil and comprises a conductive body and a movable end arranged on one end of the conductive body, wherein the movable end can be contacted with the second end of the coil of the electromagnetic coil to electrify the electromagnetic coil and can be separated from the second end of the coil to de-electrify the electromagnetic coil; the first limiting structure is fixedly arranged on the frame body and can limit the separation amplitude of the movable end relative to the second end of the coil. The electromagnetic switch provided by the invention ensures that the electromagnetic coil is more reliably turned on and off through the arrangement of the limiting structure.
Description
Technical Field
The invention relates to the technical field of switches, in particular to an electromagnetic switch.
Background
The electromagnetic switch, as the name implies, is a switch controlled by an electromagnet, that is, a combination of the electromagnet and the switch. When the electromagnet coil is electrified, electromagnetic attraction force is generated, and the movable iron core pushes or pulls the switch contact to be closed, so that a control circuit is connected. Electromagnetic switches have wide application in various industries.
The electromagnetic switch is characterized in that the electromagnetic coil is powered by an electromagnetic coil, a conductive clamp is generally connected in series in a loop of the electromagnetic coil, the conductive clamp can control the on-off state of a contact in the conductive clamp through an operation mechanism by using a mechanical matching method, the contact is fixed on the conductive clamp, a contact plate contacted with the contact is electrically connected with the electromagnetic coil, the contact is contacted with and separated from the contact plate to control the power supply and the power failure of the electromagnetic coil, the conductive clamp is generally fixed on a support, one end of a conductive sheet far away from the contact is generally fixed on the support, and one end provided with the contact is a movable end and is contacted with or separated from the contact plate under the action of the operation mechanism, so that the conductive clamp can not be contacted with the contact plate quickly and well when the operation mechanism is misoperation or inaccurate operation, and the electromagnetic coil is unreliable in on-off state.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the technical problem that the electromagnetic coil in the electromagnetic switch in the prior art is unreliable in on-off, so as to provide the electromagnetic switch with reliable on-off of the electromagnetic coil.
In order to solve the technical problems, the invention adopts the following technical scheme:
an electromagnetic switch, including the support body, and:
an electromagnetic coil mounted on the frame;
the conductive structure is connected to the first end of the coil of the electromagnetic coil and comprises a conductive body and a movable end arranged on one end of the conductive body, wherein the movable end can be contacted with the second end of the coil of the electromagnetic coil to electrify the electromagnetic coil and can be separated from the second end of the coil to de-electrify the electromagnetic coil;
the first limiting structure is fixedly arranged on the frame body and can limit the separation amplitude of the movable end relative to the second end of the coil.
In the electromagnetic switch, the frame body comprises a bracket and a coil framework which is arranged on the bracket and is suitable for being provided with the electromagnetic coil, and the first limiting structure is fixedly arranged on the coil framework.
In the above electromagnetic switch, the first limit structure includes a blocking structure fixedly arranged on the coil former, the blocking structure includes:
the first blocking piece is arranged at one side of the contact part of the second end of the coil and the movable end, which is far away from the movable end, and is arranged at intervals with the contact part of the second end of the coil and the movable end;
the second blocking piece is arranged on one side of the movable end, which is far away from the second end of the coil, at intervals with the movable end.
And the connecting piece is used for connecting the first blocking piece and the second blocking piece.
In the electromagnetic switch, the electromagnetic switch further comprises a second limiting structure, and the first limiting structure is fixedly arranged on the coil framework through the second limiting structure.
In the above electromagnetic switch, the second limit structure includes:
the limiting end structure is fixedly connected with the blocking structure;
and the limiting groove structure is arranged on the coil framework, can be used for inserting the limiting end structure and limiting the movement of the limiting end structure in the groove width direction.
In the electromagnetic switch, the limit groove structure comprises a first limit groove and a second limit groove, wherein the first limit groove and the second limit groove are mutually angled and are respectively formed on the same plane of the coil framework;
the limiting end structure comprises a first limiting end capable of being inserted into the first limiting groove and a second limiting end capable of being inserted into the second limiting groove.
In the electromagnetic switch, the first limit groove and the second limit groove are mutually perpendicular.
In the electromagnetic switch, the first limit groove is communicated with the second limit groove.
In the electromagnetic switch, the first limiting end, the second limiting end and the blocking structure are integrally formed.
The electromagnetic switch further comprises a third limiting structure which is arranged on the support and used for blocking the first limiting structure from moving relative to the coil framework along the groove bottom direction away from the first limiting groove and the second limiting groove.
In the electromagnetic switch, the first limiting structure further comprises a limiting body which is coated outside the conductive body and one end of which is connected with the blocking structure, and one end of the conductive body, which is far away from the movable end, is connected to the limiting body.
The electromagnetic switch further comprises a fourth limiting structure which is arranged on the coil framework and limits the limiting body to swing relative to the blocking structure.
In the electromagnetic switch, the second end of the coil is provided with the conductive contact plate, and the movable end is contacted with and separated from the second end of the coil through the conductive contact plate.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the electromagnetic switch of the invention comprises a frame body and: an electromagnetic coil mounted on the frame; the conductive structure is connected to the first end of the coil of the electromagnetic coil and comprises a conductive body and a movable end arranged on one end of the conductive body, wherein the movable end can be contacted with the second end of the coil of the electromagnetic coil to electrify the electromagnetic coil and can be separated from the second end of the coil to de-electrify the electromagnetic coil; the first limiting structure is fixedly arranged on the frame body and can limit the separation amplitude of the movable end relative to the second end of the coil. The first limiting structure is arranged to limit the separation amplitude of the movable end and the second end of the coil, so that the movable end moves within a limited range, an operating mechanism can be aligned with the limited range limited by the first limiting structure very quickly, and the matching of the movable end and the second end of the coil can be controlled more accurately by referring to the structural design of the first limiting structure, so that the contact time of the movable end and the second end of the coil under the drive of the operating mechanism is reduced, the contact accuracy is improved, the on-off reliability of the electromagnetic coil is higher, and the on-off action time is shorter; when the operating mechanism is in misoperation or inaccurate operation, the first limiting structure can limit the deviation amplitude of the moving end, so that the moving end acts in a reasonable range, the matching position relationship between the moving end and the second end of the coil cannot exceed the control range of the operating mechanism due to overlarge deviation degree, the secondary protection function is realized when the operating mechanism is in misoperation or inaccurate operation, the moving end can still be in good contact and separation with the second end of the coil, and the on-off reliability of the electromagnetic coil is ensured; simultaneously, the first limit structure can also play the effect of preventing the movable end from being damaged due to overlarge deviation degree under the driving of misoperation of the operating mechanism.
2. The electromagnetic switch provided by the invention comprises a bracket and a coil framework which is arranged on the bracket and is suitable for installing the electromagnetic coil, wherein the first limiting structure is fixedly arranged on the coil framework. The first limiting structure is arranged on the coil framework, and the moving end is electrically connected with the electromagnetic coil because the electromagnetic coil is also arranged on the coil framework, the on-off state of the electromagnetic coil is realized through the cooperation of the moving end, the first limiting structure, the electromagnetic coil and the coil framework, and the cooperation links are reduced compared with the mode that the first limiting structure is arranged on the bracket or other bracket bodies, so that tolerance accumulation is reduced, and the on-off state of the electromagnetic coil is more reliable.
3. According to the electromagnetic switch, the first limiting structure comprises a blocking structure fixedly arranged on the coil framework, and the blocking structure comprises: the first blocking piece is arranged at one side of the contact part of the second end of the coil and the movable end, which is far away from the movable end, and is arranged at intervals with the contact part of the second end of the coil and the movable end; the second blocking piece is arranged on one side of the movable end, which is far away from the second end of the coil, at intervals with the movable end. And the connecting piece is used for connecting the first blocking piece and the second blocking piece. The first limiting structure is designed to enable the structure to be more stable, and unstable conditions are not easy to generate; the second gear is used for limiting the deviation amplitude of the moving end, so that the accuracy of contact between the moving end operated by the operating mechanism and the second end of the coil is improved, the contact time is shortened, the moving end and the second end of the coil can be well contacted under the condition of misoperation of the operating mechanism, the on-off reliability of the electromagnetic coil is improved, and the on-off action time of the electromagnetic coil is shortened; when the first baffle is designed to enable the moving end to be in contact with the second end of the coil, even if the operating mechanism has misoperation, the moving end is contacted with the second end of the coil and then drives the second end of the coil to deviate, the deviating moving end and the deviating second end of the coil can be limited through the design of the first baffle, and therefore the on-off reliability of the electromagnetic coil is improved.
4. The electromagnetic switch of the invention further comprises a second limiting structure, wherein the first limiting structure is fixedly arranged on the coil framework through the second limiting structure. The second limit structure includes: the limiting end structure is fixedly connected with the blocking structure; and the limiting groove structure is arranged on the coil framework, can be used for inserting the limiting end structure and limiting the movement of the limiting end structure in the groove width direction. The design of the second limit structure can enable the first limit structure to be firmly fixed on the coil framework, so that the structure of the first limit structure is stable, the secondary reinforcement function is achieved, the contact and separation of the movable end and the second end of the coil are reliable, and the on-off of the electromagnetic coil is reliable.
5. The limit groove structure of the electromagnetic switch comprises a first limit groove and a second limit groove, wherein the first limit groove and the second limit groove are mutually angled and are respectively formed on the same plane of the coil framework; the limiting end structure comprises a first limiting end capable of being inserted into the first limiting groove and a second limiting end capable of being inserted into the second limiting groove. The first limiting groove and the second limiting groove are mutually angled, so that the first limiting structure can be limited in two directions, and the limiting effect is better; and the first limit groove and the second limit groove are positioned on the same plane of the coil framework, so that the limit structure is easier to process during processing, the cost is saved, the cooperation with the first limit end and the second limit end is realized more easily, and the installation time is shortened.
6. According to the electromagnetic switch, the first limit groove and the second limit groove are perpendicular to each other. The setting of first spacing groove, second spacing groove mutually perpendicular makes first spacing groove, second spacing groove and first spacing end and second spacing end better processing when processing, and the angle is more easily confirmed, is difficult for producing the error.
7. According to the electromagnetic switch, the first limit groove is communicated with the second limit groove. The design that first spacing groove, second spacing groove are interconnected can be when processing integrated into one piece processing, has reduced process time, and has reduced the cooperation link, and the precision improves, makes the spacing effect of spacing groove structure reach better.
8. According to the electromagnetic switch, the first limiting end, the second limiting end and the blocking structure are integrally formed. The integrated into one piece's design can make the junction more firm to consolidate through first spacing end and the spacing end of second and block the structure just more reliable, and integrated into one piece has reduced process time and cost.
9. The electromagnetic switch further comprises a third limiting structure which is arranged on the bracket and used for preventing the first limiting structure from moving relative to the coil framework along the groove bottom direction away from the first limiting groove and the second limiting groove. The third limit structure can be matched with the second limit structure to enable the first limit structure to be limited in six directions, namely six directions up and down, left and right, front and back, so that the stability of the first limit structure is enhanced.
10. According to the electromagnetic switch, the first limiting structure further comprises a limiting body which is coated outside the conductive body and one end of which is connected with the blocking structure, and one end of the conductive body, which is far away from the movable end, is connected to the limiting body. The fourth limiting structure is arranged on the coil framework and limits the limiting body to swing relative to the blocking structure. The design of the fourth limit structure can be matched with the second limit structure and the third limit structure, so that the whole first limit structure is more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic partial perspective view of an electromagnetic switch provided by the invention;
FIG. 2 is a partial perspective view of the electromagnetic switch shown in FIG. 1;
FIG. 3 is an enlarged schematic view of region A of the electromagnetic switch shown in FIG. 2;
FIG. 4 is another partial perspective view of the electromagnetic switch shown in FIG. 1;
FIG. 5 is an enlarged schematic view of region B of the electromagnetic switch shown in FIG. 4;
FIG. 6 is another partial perspective view of the electromagnetic switch shown in FIG. 1;
FIG. 7 is an enlarged schematic view of region C of the electromagnetic switch shown in FIG. 6;
FIG. 8 is another partial perspective view of the electromagnetic switch of FIG. 1;
reference numerals illustrate:
1-a bracket; 2-a coil former; 3-a first stop; 4-a second stop; a 5-connector; 6-a first limit groove; 7-a second limit groove; 8-a conductive contact plate; 9-moving end; 10-a third limiting end; 11-a limiting body; 12-fourth limit grooves; 13-an electromagnetic coil; 14-an operating mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 8, an embodiment of the electromagnetic switch according to the present invention includes a frame, an electromagnetic coil 13, a conductive structure, and a first limiting structure.
In this embodiment, the frame body includes a support 1, and a coil frame 2 disposed on the support 1 and adapted to mount the electromagnetic coil 13, and the first limiting structure is fixedly disposed on the coil frame 2. As an alternative embodiment, the first limiting structure may also be provided on the bracket 1.
In this embodiment, the conductive structure is connected to the first end of the coil of the electromagnetic coil 13, and the conductive structure is a conductive clip, and as a convertible embodiment, the conductive structure may also be a conductive structure of a conductive plate, a conductive sheet, or other structures. The conductive structure comprises a conductive body and a movable end 9 arranged on one end of the conductive body, wherein the movable end 9 can be contacted with a coil second end of the electromagnetic coil 13 to electrify the electromagnetic coil 13 and can be separated from the coil second end to cut off the electromagnetic coil 13.
In this embodiment, the first limiting structure may limit the separation amplitude of the moving end 9 with respect to the second end of the coil; the first limiting structure comprises a blocking structure fixedly arranged on the coil framework 2, and the blocking structure comprises a first blocking piece 3, a second blocking piece 4 and a connecting piece 5. The first blocking piece 3 is arranged at one side of the contact position of the second end of the coil and the movable end 9, which is far away from the movable end 9, and is arranged at intervals with the contact position of the second end of the coil and the movable end 9; a second blocking member 4 spaced from the movable end 9 and disposed on a side of the movable end 9 away from the second end of the coil; and a connecting piece 5 for connecting the first baffle 3 and the second baffle 4.
Further, the first limiting structure further comprises a limiting body 11 covering the outside of the conductive body and having one end connected with the blocking structure, and one end of the conductive body away from the movable end 9 is connected to the limiting body 11. Such design can make first limit structure still plays fixed conductive body's effect, second limit structure is right after first limit structure consolidates, make first limit structure is more firm to make limit body 11 also more firm, thereby make with the conductive body that limit body 11 is connected also more firm, thereby move end 9 with the one end that conductive body is connected is more firm, thereby make contact and the separation action of end 9 and coil second end more accurate, and then make solenoid 13's break-make more reliable.
In this embodiment, the device further includes a second limiting structure, and the first limiting structure is fixedly disposed on the coil bobbin 2 through the second limiting structure. As an alternative embodiment, the second limiting structure may also be provided on the bracket 1.
The specific structural form of the second limiting structure may be various, and in this embodiment, the second limiting structure includes: the limiting end structure is fixedly connected with the blocking structure; and the limiting groove structure is arranged on the coil framework 2, can be used for inserting the limiting end structure and limiting the movement of the limiting end structure in the groove width direction.
The specific structural forms of the limiting groove structure are various, the limiting groove structure in the embodiment comprises a first limiting groove 6 and a second limiting groove 7, and the first limiting groove 6 and the second limiting groove 7 are mutually angled and are respectively formed on the same plane of the coil skeleton 2; the limiting end structure comprises a first limiting end capable of being inserted into the first limiting groove 6 and a second limiting end capable of being inserted into the second limiting groove 7. The first limiting end and the second limiting end are plates with angles mutually, and the angle formed by the first limiting end and the second limiting end is consistent with the angle formed by the first limiting groove 6 and the second limiting groove 7.
Further, the first limit groove 6 and the second limit groove 7 are perpendicular to each other. Further, the first limit groove 6 and the second limit groove 7 are communicated with each other. Further, the first limiting end, the second limiting end and the blocking structure are integrally formed.
In this embodiment, the device further includes a third limiting structure disposed on the bracket 1 and blocking the first limiting structure from moving relative to the coil bobbin 2 along a groove bottom direction away from the first limiting groove 6 and the second limiting groove 7. Further, the third limiting structure comprises a third limiting end 10 arranged on the connecting piece 5 and a third limiting groove arranged on the baffle plate of the bracket 1, and the third limiting end 10 is arranged in the third limiting groove.
In this embodiment, the device further includes a fourth limiting structure disposed on the coil bobbin 2 to limit the swing of the limiting body 11 relative to the blocking structure. As an alternative embodiment, the fourth limiting structure may also be provided on the bracket 1. The fourth limiting structure comprises a fourth limiting groove 12 arranged on the coil framework 2 and far away from one end of the blocking structure and a fourth limiting end matched with the fourth limiting groove 12, the fourth limiting groove 12 is a convex groove, and the shape of the fourth limiting end is matched with the fourth limiting groove 12 and fixedly installed in the fourth limiting groove 12.
In this embodiment, a conductive contact plate 8 is disposed on the second end of the coil, the conductive contact plate 8 is fixed on the coil frame 2, and the moving end 9 is contacted with and separated from the second end of the coil by the conductive contact plate 8. Further, the movable end 9 includes a conductive spring and a contact disposed on the conductive spring for contacting the conductive contact plate 8. The operation mechanism 14 for controlling the conductive spring piece is matched with the conductive spring piece to drive the conductive spring piece to move, so that contact and separation of the contact and the conductive contact plate 8 are completed.
In this embodiment, the second limit structure, the third limit structure and the fourth limit structure cooperate to realize limit of six directions of the first limit structure, that is, limit all around, up and down, left and right, so that the first limit structure can be firmly fixed on the coil skeleton 2, so that one end of the conductive structure fixed with the first limit structure can be more stable, and contact and separation of the moving end 9 and the second end of the coil are more stable, and further make on-off of the electromagnetic coil 13 more stable and reliable.
In this embodiment, through the structure design that the conductive structure is fixed with the first limit structure and then is arranged on the coil frame 2, the electromagnetic coil 13 is arranged on the coil frame 2, and the conductive contact plate 8 is arranged on the coil frame 2, the electromagnetic coil 13 is enabled to be in a on-off state through the contact and separation of the movable end 9 of the conductive structure and the conductive contact plate 8, and the number of components for realizing the on-off state of the electromagnetic coil 13 is reduced in such a design manner, namely, the common conductive structure is arranged on the bracket 1, so that the matching links are reduced, the tolerance accumulation is reduced, the on-off reliability of the electromagnetic coil 13 is improved, the technical parameters of the electromagnetic switch are optimized, and the performance of the electromagnetic switch is improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (8)
1. An electromagnetic switch, characterized by including the support body, and:
an electromagnetic coil (13) mounted on the frame body;
a conductive structure connected to a first end of the electromagnetic coil (13) and comprising a conductive body and a movable end (9) provided at one end of the conductive body, the movable end (9) being contactable with a second end of the electromagnetic coil (13) to energize the electromagnetic coil (13) and separable from the second end of the coil to de-energize the electromagnetic coil (13);
the first limiting structure is fixedly arranged on the frame body and can limit the separation amplitude of the movable end (9) relative to the second end of the coil;
the frame body comprises a bracket (1) and a coil framework (2) which is arranged on the bracket (1) and is suitable for mounting the electromagnetic coil (13), and the first limiting structure is fixedly arranged on the coil framework (2);
the first limit structure comprises a blocking structure fixedly arranged on the coil skeleton (2), and the blocking structure comprises:
the first blocking piece (3) is arranged at one side, far away from the moving end (9), of the contact position of the second end of the coil and the moving end (9) and is arranged at intervals with the contact position of the second end of the coil and the moving end (9);
the second blocking piece (4) is arranged at a distance from the movable end (9) and is arranged at one side of the movable end (9) away from the second end of the coil;
a connecting piece (5) connecting the first blocking piece (3) and the second blocking piece (4);
the electromagnetic switch further comprises a second limit structure, and the first limit structure is fixedly arranged on the coil framework (2) through the second limit structure;
the second limit structure includes:
the limiting end structure is fixedly connected with the blocking structure;
the limiting groove structure is arranged on the coil framework (2) and can be used for inserting the limiting end structure and limiting the movement of the limiting end structure in the groove width direction;
the limiting groove structure comprises a first limiting groove (6) and a second limiting groove (7), wherein the first limiting groove (6) and the second limiting groove (7) are mutually angled and are respectively formed on the same plane of the coil skeleton (2);
the limiting end structure comprises a first limiting end capable of being inserted into the first limiting groove (6) and a second limiting end capable of being inserted into the second limiting groove (7).
2. Electromagnetic switch according to claim 1, characterized in that the first limit slot (6) and the second limit slot (7) are mutually perpendicular.
3. Electromagnetic switch according to claim 1, characterized in that the first limit slot (6) and the second limit slot (7) are in communication with each other.
4. The electromagnetic switch of any one of claims 1-3, wherein the first limit end, the second limit end, and the blocking structure are integrally formed therebetween.
5. An electromagnetic switch according to any one of claims 1-3, further comprising a third limit structure provided on the bracket (1) for blocking movement of the first limit structure relative to the coil bobbin (2) in a direction away from the bottoms of the first limit slot (6) and the second limit slot (7).
6. The electromagnetic switch according to claim 5, characterized in that the first limit structure further comprises a limit body (11) covering the outside of the conductive body and having one end connected to the blocking structure, and the end of the conductive body remote from the movable end (9) is connected to the limit body (11).
7. The electromagnetic switch according to claim 6, further comprising a fourth limit structure provided on the bobbin (2) for limiting the oscillation of the limit body (11) with respect to the blocking structure.
8. Electromagnetic switch according to claim 1, characterized in that the coil second end is provided with an electrically conductive contact plate (8), the moving end (9) being in contact with and separated from the coil second end by the electrically conductive contact plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420797.9A CN108461354B (en) | 2018-05-04 | 2018-05-04 | Electromagnetic switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420797.9A CN108461354B (en) | 2018-05-04 | 2018-05-04 | Electromagnetic switch |
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| Publication Number | Publication Date |
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| CN108461354A CN108461354A (en) | 2018-08-28 |
| CN108461354B true CN108461354B (en) | 2024-01-16 |
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| CN201810420797.9A Active CN108461354B (en) | 2018-05-04 | 2018-05-04 | Electromagnetic switch |
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| CN205264608U (en) * | 2015-11-25 | 2016-05-25 | 浙江正泰电器股份有限公司 | Contactor |
| CN106920713A (en) * | 2015-12-24 | 2017-07-04 | 浙江正泰电器股份有限公司 | The coil rack of A.C. contactor |
| CN105551893A (en) * | 2016-01-29 | 2016-05-04 | 浙江奥凯电气有限公司 | Electromagnetic mechanism of direct current contactor |
| CN205335183U (en) * | 2016-01-29 | 2016-06-22 | 浙江奥凯电气有限公司 | Direct current contactor's electromagnetic mechanism |
| CN205789761U (en) * | 2016-06-15 | 2016-12-07 | 欣大电气有限公司 | Microminiature electromagnetic relay |
| CN206574651U (en) * | 2017-03-23 | 2017-10-20 | 东莞市永能电子有限公司 | A kind of normal-open type relay |
| CN206574654U (en) * | 2017-03-23 | 2017-10-20 | 东莞市永能电子有限公司 | A kind of closed type relay |
| CN206849784U (en) * | 2017-05-10 | 2018-01-05 | 申乐股份有限公司 | A kind of electromagnetic relay |
| CN208045421U (en) * | 2018-05-04 | 2018-11-02 | 浙江中凯科技股份有限公司 | A kind of electromagnetic switch |
Also Published As
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|---|---|
| CN108461354A (en) | 2018-08-28 |
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