CN111755283A - Electromagnetic energy-saving anti-shaking alternating current contactor - Google Patents

Electromagnetic energy-saving anti-shaking alternating current contactor Download PDF

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Publication number
CN111755283A
CN111755283A CN202010491931.1A CN202010491931A CN111755283A CN 111755283 A CN111755283 A CN 111755283A CN 202010491931 A CN202010491931 A CN 202010491931A CN 111755283 A CN111755283 A CN 111755283A
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CN
China
Prior art keywords
iron core
wall
fixedly connected
movable
shell
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Withdrawn
Application number
CN202010491931.1A
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Chinese (zh)
Inventor
余成鹏
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Wenzhou Lucheng Yuanlong Electrical Technology Co ltd
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Wenzhou Lucheng Yuanlong Electrical Technology Co ltd
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Priority to CN202010491931.1A priority Critical patent/CN111755283A/en
Publication of CN111755283A publication Critical patent/CN111755283A/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/12—Ventilating; Cooling; Heating

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

The invention discloses an electromagnetic energy-saving anti-shaking alternating current contactor which comprises a shell, wherein a first through hole is formed in the top of the shell, a movable rod is movably connected to the inner wall of the first through hole, a movable iron core is fixedly connected to one end, corresponding to the position of the shell, of the movable rod, a static iron core is embedded into the inner wall, corresponding to the position of the movable iron core, of the shell in a penetrating mode, a coil is fixedly wound on the inner wall of the static iron core, a rubber pad is fixedly connected to the top of the static iron core, and a first spring fixing plate is fixedly connected to the bottom of the. The positioning rod is driven to be drawn back and forth on the inner wall of the positioning tube by matching the movable iron core with the first spring fixing plate, the positioning rod can be guided and positioned by the rubber air bag, the movable iron core is in a full state, the swinging of the positioning rod can be buffered, the movable iron core is prevented from continuously swinging corresponding to the static iron core when the movable iron core moves, and the purpose of preventing the swinging can be realized.

Description

Electromagnetic energy-saving anti-shaking alternating current contactor
Technical Field
The invention relates to the technical field of alternating current contactors, in particular to an electromagnetic energy-saving anti-shaking alternating current contactor.
Background
In electrical engineering, since a device capable of rapidly switching off main circuits of alternating current and direct current and frequently switching on and controlling a large current (up to 800A) is often used as a control object for a motor, the device can also be used for controlling electric loads such as plant equipment, electric heaters, machine tools, and various electric power units, and a contactor not only can switch on and off a circuit, but also has a low-voltage discharge protection function. The contactor has large control capacity, is suitable for frequent operation and remote control, and is one of important elements in an automatic control system.
However, in actual use of the prior art, the attraction of the traditional alternating current contactor is realized by electrifying a coil, the attraction force is related to current and magnetic gap, and when voltage fluctuates in a critical state of closing and opening, the contactor is in a state similar to closing and opening, and can continuously shake, so that a contact is welded or burnt, and a motor is burnt out.
Disclosure of Invention
The invention aims to provide an electromagnetic energy-saving anti-shaking alternating current contactor to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the spring iron core positioning device comprises a shell, wherein a first through hole is formed in the top of the shell, a movable rod is movably connected to the inner wall of the first through hole, a movable iron core is fixedly connected to one end, corresponding to the position of the shell, of the movable rod, a static iron core penetrates through and is embedded in the inner wall, corresponding to the position of the movable iron core, of the shell, a coil is fixedly wound on the inner wall of the static iron core, a rubber pad is fixedly connected to the top of the static iron core, a first spring fixing plate is fixedly connected to the bottom of the inner wall of the movable iron core, a second spring fixing plate is fixedly connected to the top of the inner wall of the static iron core, a positioning rod is fixedly connected to one end, corresponding to the position of the static iron core, of the first spring fixing plate movably penetrates through and extends to two ends of the second, and the positioning rod is movably inserted in the inner walls of the positioning tube and the rubber air bag.
Preferably, the first through hole penetrates through and is communicated to the inside of the shell, and the inner diameter of the first through hole is matched with the diameter of the movable rod.
Preferably, one end of the first spring fixing plate corresponding to the position of the static iron core is fixedly connected with a damping spring, and the damping spring is fixedly connected to the top of the second spring fixing plate.
Preferably, a second through hole is formed in the second spring fixing plate corresponding to the positioning rod, and the inner wall of the second through hole is movably connected with the surface of the positioning rod.
Preferably, the movable iron core is of an annular structure and is in a full state, and the inner diameter of the movable iron core is matched with the diameter of the positioning rod.
Preferably, the inner wall fixedly connected with fixing base of the corresponding movable iron core position of shell, first holding tank has been seted up to the corresponding one end that moves the iron core position of fixing base, the inner wall of first holding tank rotates and is connected with first ball, the surface of first ball rotates with the surface that moves the iron core and is connected.
Preferably, the top of the housing is fixedly connected with a fixed cover, the inner wall of the fixed cover is movably connected with a moving contact loading frame, and the moving contact loading frame is fixedly connected to the top of the movable rod.
Preferably, one end of the moving contact loading frame, which is far away from the movable rod, is fixedly connected with a driving block, a third through hole is formed in the fixed cover, which corresponds to the driving block, and the inner wall of the third through hole is movably connected with the surface of the driving block.
Preferably, the inner wall of the fixed cover is fixedly connected with a rubber bump, one end of the moving contact loading frame corresponding to the position of the movable rod is fixedly connected with a moving contact, the top of the shell corresponding to the position of the moving contact is fixedly connected with a static contact, and the top of the shell is fixedly connected with a wiring terminal which is electrically connected with the static contact through a wire.
Preferably, a second accommodating groove is formed in the inner portion of the corresponding first through hole of the shell, the inner portion of the second accommodating groove is communicated with the inner portion of the first through hole, a second ball is connected to the inner wall of the second accommodating groove in a rotating mode, and the surface of the second ball is connected with the surface of the movable rod in a rotating mode.
Compared with the prior art, the invention has the beneficial effects that:
1. the positioning rod is driven to pull back and forth on the inner wall of the positioning tube by matching the movable iron core with the first spring fixing plate, the positioning rod can be guided and positioned by the rubber air bag, and the movable iron core is in a full state, so that the swinging of the positioning rod can be buffered, the movable iron core is prevented from continuously swinging corresponding to the static iron core when moving, and the aim of preventing the swinging can be fulfilled;
2. the movable iron core is provided with a first accommodating groove, the first accommodating groove is matched with the first ball, so that the movable iron core can be guided to move, the surface of the first ball is tightly attached to the surface of the movable iron core, friction between the movable iron core and the inner wall of the shell is reduced, and heat is less generated when the movable iron core moves in the inner wall of the shell, so that heat dissipation is facilitated.
3. The moving contact loading frame is provided with a first accommodating groove and a first ball, the first accommodating groove is arranged on the inner wall of the first through hole, the first ball is arranged on the inner wall of the first through hole, the second accommodating groove is arranged on the inner wall of the second through hole, the first ball is arranged on the inner wall of the second through hole, the second ball is arranged on the inner wall of the second through hole, and the second ball is arranged on the inner wall of the second through hole.
Drawings
FIG. 1 is a front view of the overall structure of an electromagnetic energy-saving anti-shaking AC contactor according to the present invention;
FIG. 2 is a front sectional view of the overall structure of an electromagnetic energy-saving anti-shaking AC contactor according to the present invention;
FIG. 3 is a partial front sectional view of the overall structure of the electromagnetic energy-saving anti-shaking AC contactor according to the present invention;
FIG. 4 is an enlarged view of the structure at the position A in FIG. 3 of the electromagnetic energy-saving shaking-proof AC contactor of the present invention;
fig. 5 is a sectional view of the fixing cover structure of the electromagnetic energy-saving anti-shaking ac contactor of the present invention.
In the figure: 100. a housing; 101. a first through hole; 102. a movable rod; 103. a movable iron core; 104. a stationary iron core; 105. a coil; 106. a rubber pad; 107. a first spring fixing plate; 108. a damping spring; 109. a second spring fixing plate; 110. positioning a rod; 111. a second through hole; 112. a positioning tube; 113. a rubber air bag; 114. a fixed seat; 115. a first accommodating groove; 116. a first ball bearing; 117. a fixed cover; 118. a moving contact loading frame; 119. a drive block; 120. a third through hole; 121. a rubber bump; 122. a moving contact; 123. static contact; 124. a terminal; 125. a second accommodating groove; 126. a second ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: comprises a shell 100, a first through hole 101 is arranged at the top of the shell 100, a movable rod 102 is movably connected with the inner wall of the first through hole 101, a movable iron core 103 is fixedly arranged at one end of the movable rod 102 corresponding to the position of the shell 100, a static iron core 104 is embedded in the inner wall of the shell 100 corresponding to the position of the movable iron core 103 in a penetrating manner, a coil 105 is fixedly wound on the inner wall of the static iron core 104, a rubber pad 106 is fixedly arranged at the top of the static iron core 104, a first spring fixing plate 107 is fixedly arranged at the bottom of the inner wall of the movable iron core 103, a second spring fixing plate 109 is fixedly arranged at the top of the inner wall of the static iron core 104, a positioning rod 110 is fixedly arranged at one end of the first spring fixing plate 107 corresponding to the position of the static iron core 104, the positioning rod 110 movably penetrates and extends to two ends of the second spring fixing plate 109, and the positioning rod 110 is movably inserted in the inner walls of the positioning tube 112 and the rubber air bag 113.
The first through hole 101 penetrates and communicates with the inside of the housing 100, and the inner diameter of the first through hole 101 is adapted to the diameter of the movable rod 102.
A damping spring 108 is fixedly mounted at one end of the first spring fixing plate 107 corresponding to the position of the stationary core 104, and the damping spring 108 is fixedly mounted at the top of the second spring fixing plate 109.
The second spring fixing plate 109 is provided with a second through hole 111 corresponding to the inside of the positioning rod 110, and the inner wall of the second through hole 111 is movably connected with the surface of the positioning rod 110.
The movable iron core 103 is of an annular structure, the movable iron core 103 is in a full state, and the inner diameter of the movable iron core 103 is matched with the diameter of the positioning rod 110.
The corresponding inner wall fixed mounting who moves the iron core 103 position of shell 100 has fixing base 114, first holding tank 115 has been seted up to the corresponding one end that moves the iron core 103 position of fixing base 114, the inner wall of first holding tank 115 rotates and is connected with first ball 116, the surface of first ball 116 rotates with the surface that moves iron core 103 and is connected, can play the guide effect to moving iron core 103's removal through setting up first holding tank 115 cooperation first ball 116, the surface through first ball 116 and the surface that moves iron core 103 closely laminate, thereby reduce the friction between moving iron core 103 and the shell 100 inner wall, thereby make when moving iron core 103 removes at shell 100 inner wall, the heat production is less, be convenient for dispel the heat.
A fixed cover 117 is fixedly installed on the top of the housing 100, a movable contact loading frame 118 is movably connected to the inner wall of the fixed cover 117, and the movable contact loading frame 118 is fixedly installed on the top of the movable rod 102.
A driving block 119 is fixedly mounted at one end of the movable contact loading frame 118 away from the movable rod 102, a third through hole 120 is formed in the fixed cover 117 corresponding to the driving block 119, and the inner wall of the third through hole 120 is movably connected with the surface of the driving block 119.
The inner wall of the fixed cover 117 is fixedly provided with a rubber bump 121, one end of the movable contact loading frame 118 corresponding to the position of the movable rod 102 is fixedly provided with a movable contact 122, the top of the shell 100 corresponding to the position of the movable contact 122 is fixedly provided with a fixed contact 123, the top of the shell 100 is fixedly provided with a terminal 124, and the terminal 124 is electrically connected with the fixed contact 123 through a wire.
The second receiving groove 125 has been seted up to the inside of the corresponding first through-hole 101 position of shell 100, the inside of second receiving groove 125 is linked together with the inside of first through-hole 101, the inner wall of second receiving groove 125 rotates and is connected with second ball 126, and the surface of second ball 126 rotates with the surface of movable rod 102 and is connected, can play the guide effect to the removal of movable rod 102 through setting up second receiving groove 125 and second ball 126, and the friction between reducible movable rod 102 surface and the first through-hole 101 inner wall, thereby make the removal of movable rod 102 more stable, and can play the buffering to the removal of moving contact loading frame 118 through setting up rubber bump 121, avoid moving contact loading frame 118 and the inner wall of fixed cover 117 to take place the rigid collision.
The working principle is as follows: when in use, the invention can lead the movable iron core 103 to move back and forth to one end of the static iron core 104 by switching on and off the movable iron core 103 and the static iron core 104, when the movable iron core 103 moves oppositely relative to the stationary iron core 104, the movable iron core 103 drives the positioning rod 110 to draw back and forth on the inner wall of the positioning tube 112 through the first spring fixing plate 107, the rubber air bag 113 on the inner wall of the positioning tube 112 can play a role in guiding and positioning the positioning rod 110, and the movable iron core 103 is in a full state, so that the device can buffer the shaking of the positioning rod 110, avoid the situation that the movable iron core 103 continuously shakes corresponding to the static iron core 104 during the movement to cause the fusion welding or burning of the contact, and the motor is burnt out, therefore, the purpose of shaking prevention can be achieved, and the rubber pad 106 is arranged, so that the purpose of buffering can be achieved when the movable iron core 103 is in contact with the static iron core 104.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an energy-conserving anti-rock ac contactor of electromagnetic type, includes shell (100), its characterized in that: the top of the shell (100) is provided with a first through hole (101), the inner wall of the first through hole (101) is movably connected with a movable rod (102), one end of the movable rod (102) corresponding to the position of the shell (100) is fixedly connected with a movable iron core (103), the inner wall of the shell (100) corresponding to the position of the movable iron core (103) is penetrated and embedded with a static iron core (104), the inner wall of the static iron core (104) is fixedly wound with a coil (105), the top of the static iron core (104) is fixedly connected with a rubber pad (106), the bottom of the inner wall of the movable iron core (103) is fixedly connected with a first spring fixing plate (107), the top of the inner wall of the static iron core (104) is fixedly connected with a second spring fixing plate (109), one end of the first spring fixing plate (107) corresponding to the position of the static iron core (104) is fixedly connected with a positioning rod (110), and the positioning rod (, the bottom of the second spring fixing plate (109) corresponding to the position of the positioning rod (110) is fixedly connected with a positioning tube (112), the inner wall of the positioning tube (112) penetrates through and is embedded with a rubber air bag (113), and the positioning rod (110) is movably inserted into the inner walls of the positioning tube (112) and the rubber air bag (113).
2. The electromagnetic energy-saving shaking-proof AC contactor as claimed in claim 1, wherein: the first through hole (101) penetrates through and is communicated to the interior of the shell (100), and the inner diameter of the first through hole (101) is matched with the diameter of the movable rod (102).
3. The electromagnetic energy-saving shaking-proof AC contactor as claimed in claim 1, wherein: one end of the first spring fixing plate (107) corresponding to the position of the static iron core (104) is fixedly connected with a damping spring (108), and the damping spring (108) is fixedly connected to the top of the second spring fixing plate (109).
4. The electromagnetic energy-saving shaking-proof AC contactor as claimed in claim 1, wherein: the second spring fixing plate (109) is provided with a second through hole (111) corresponding to the inner part of the positioning rod (110), and the inner wall of the second through hole (111) is movably connected with the surface of the positioning rod (110).
5. The electromagnetic energy-saving shaking-proof AC contactor as claimed in claim 1, wherein: the movable iron core (103) is of an annular structure, the movable iron core (103) is in a full state, and the inner diameter of the movable iron core (103) is matched with the diameter of the positioning rod (110).
6. The electromagnetic energy-saving shaking-proof AC contactor as claimed in claim 1, wherein: the inner wall fixedly connected with fixing base (114) of the corresponding movable iron core (103) position of shell (100), first holding tank (115) has been seted up to the corresponding one end that moves iron core (103) position in fixing base (114), the inner wall of first holding tank (115) rotates and is connected with first ball (116), the surface of first ball (116) rotates with the surface that moves iron core (103) and is connected.
7. The electromagnetic energy-saving shaking-proof AC contactor as claimed in claim 1, wherein: the top of the shell (100) is fixedly connected with a fixed cover (117), the inner wall of the fixed cover (117) is movably connected with a moving contact loading frame (118), and the moving contact loading frame (118) is fixedly connected to the top of the movable rod (102).
8. The electromagnetic energy-saving shaking-proof ac contactor according to claim 7, wherein: one end, far away from the movable rod (102), of the movable contact loading frame (118) is fixedly connected with a driving block (119), a third through hole (120) is formed in the fixing cover (117) corresponding to the driving block (119), and the inner wall of the third through hole (120) is movably connected with the surface of the driving block (119).
9. The electromagnetic energy-saving shaking-proof ac contactor according to claim 8, wherein: the inner wall of the fixed cover (117) is fixedly connected with a rubber bump (121), one end of the movable contact loading frame (118) corresponding to the position of the movable rod (102) is fixedly connected with a movable contact (122), the top of the shell (100) corresponding to the position of the movable contact (122) is fixedly connected with a fixed contact (123), the top of the shell (100) is fixedly connected with a wiring terminal (124), and the wiring terminal (124) is electrically connected with the fixed contact (123) through a wire.
10. The electromagnetic energy-saving shaking-proof AC contactor as claimed in claim 1, wherein: the inner part of the shell (100) corresponding to the position of the first through hole (101) is provided with a second accommodating groove (125), the inner part of the second accommodating groove (125) is communicated with the inner part of the first through hole (101), the inner wall of the second accommodating groove (125) is rotatably connected with a second ball (126), and the surface of the second ball (126) is rotatably connected with the surface of the movable rod (102).
CN202010491931.1A 2020-06-03 2020-06-03 Electromagnetic energy-saving anti-shaking alternating current contactor Withdrawn CN111755283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010491931.1A CN111755283A (en) 2020-06-03 2020-06-03 Electromagnetic energy-saving anti-shaking alternating current contactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010491931.1A CN111755283A (en) 2020-06-03 2020-06-03 Electromagnetic energy-saving anti-shaking alternating current contactor

Publications (1)

Publication Number Publication Date
CN111755283A true CN111755283A (en) 2020-10-09

Family

ID=72674388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010491931.1A Withdrawn CN111755283A (en) 2020-06-03 2020-06-03 Electromagnetic energy-saving anti-shaking alternating current contactor

Country Status (1)

Country Link
CN (1) CN111755283A (en)

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Application publication date: 20201009

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