CN216311686U

CN216311686U - Electromagnetic switch

Info

Publication number: CN216311686U
Application number: CN202122108922.2U
Authority: CN
Inventors: 丁绍华; 丁善之
Original assignee: Liaocheng Ward Electric Appliance Co ltd
Current assignee: Liaocheng Ward Electric Appliance Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-04-15
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to the technical field of switches and discloses an electromagnetic switch which comprises a mounting shell, wherein a magnetic mechanism and a power-on mechanism are fixedly connected inside the mounting shell, a battery cover is movably connected to the bottom of the front side of the mounting shell, the magnetic mechanism comprises a fixing frame, and the right side of the fixing frame is fixedly connected with the right side of the inner wall of the mounting shell. The utility model designs a magnetic mechanism, the magnetic mechanism converts the electric power of the dry battery into a driving force according to the principle that the same level of electromagnetism and magnetic field repel each other physically, thereby realizing the opening and closing of the switch.

Description

Electromagnetic switch

Technical Field

The utility model relates to the technical field of switches, in particular to an electromagnetic switch.

Background

An electromagnetic switch, as the name implies, is a switch controlled by an electromagnet, i.e. a combination of an electromagnet and a switch. When the electromagnet coil is electrified, electromagnetic attraction is generated, the movable iron core pushes or pulls the switch contact to be closed, and therefore the controlled circuit is switched on. Electromagnetic switches are widely used in various industries, and most commonly are contactors in the industrial field. The electromagnetic switch is a control switch on the starter, is one of three main components of the starter (a direct current motor, a transmission meshing mechanism and the electromagnetic switch), and has the working principle that electromagnetic attraction is generated after a coil is electrified to move a movable iron core, so that the transmission meshing mechanism is pulled to enable a pinion of the starter to move forwards to be meshed with a flywheel gear ring of the engine, and a switch contact is pushed to be connected.

Under the prior art, most electromagnetic switches are always kept in a power-on state, so that the problems of energy waste and service life are caused.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an electromagnetic switch that solves the problems set forth above in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the electromagnetic switch comprises an installation shell, wherein a magnetic mechanism and a power-on mechanism are fixedly connected inside the installation shell, and a battery cover is movably connected to the bottom of the front side of the installation shell.

Magnetic force mechanism includes the mount, mount right side and installation shell inner wall right side fixed connection, mount left side fixedly connected with solenoid, solenoid surface cover is equipped with the coil, installation shell inner chamber bottom fixedly connected with battery jar, the battery jar left side is provided with the chute, chute bottom and installation shell inner chamber bottom sliding connection.

Preferably, one end of the coil is fixedly connected with the right side of the battery jar, the other end of the coil extends into the chute, the right side of the chute is fixedly connected with the second conductive block, the other end of the coil is fixedly connected with the surface of the second conductive block, the left side of the battery jar is fixedly connected with the first conductive block, the first conductive block is matched with the second conductive block, and the first conductive block and the second conductive block both have good conductivity, so that the coil and the battery can form a closed loop.

Preferably, a first rack is fixedly connected to the left side of the cabling rack, a positioning rod is arranged on the front side of the first rack, the bottom of the positioning rod is fixedly connected with the bottom of an inner cavity of the installation shell, a gear is fixedly and movably connected to the surface of the positioning rod, the gear is meshed with the first rack, a second rack is arranged on the front side of the positioning rod, the second rack is meshed with the gear, and the first rack, the second rack and the gear are mutually matched to realize the transmission of external force to the cabling rack.

Preferably, the second rack deviates from locating lever one side fixedly connected with sliding block, and the sliding tray has been seted up along the horizontal direction to the installation shell front side, sliding block surface and sliding tray cell wall sliding connection, the sliding block deviates from the second rack one side and extends to the sliding tray outside, the sliding block deviates from second rack one side fixedly connected with switch, the sliding block constitutes the sliding guide cooperation along the horizontal direction with the sliding tray.

Preferably, the circular telegram mechanism includes the bracing piece, bracing piece bottom and installation shell inner chamber top fixed connection, the spacing section of thick bamboo of bracing piece top fixedly connected with, the inside motion pole that is provided with of spacing section of thick bamboo, the spacing step of motion pole one end fixedly connected with, spacing step surface and spacing section of thick bamboo inner wall sliding connection, the motion pole other end passes spacing section of thick bamboo and extends to spacing section of thick bamboo right side, motion pole surface and spacing section of thick bamboo right side sliding connection, motion pole other end fixedly connected with magnet, the produced magnetic pole after the magnetic pole of magnet is close to magnet one end circular telegram with the solenoid is the same.

Preferably, spacing step left side fixedly connected with catch bar, the catch bar deviates from spacing step one end and passes spacing section of thick bamboo and extend to spacing section of thick bamboo left side, catch bar surface and spacing section of thick bamboo left side sliding connection, the catch bar deviates from the first circular telegram piece of spacing step one end fixedly connected with, the inside reset spring that is provided with of spacing section of thick bamboo, reset spring one end and spacing step left side fixed connection, the other end and spacing section of thick bamboo left side fixed connection, reset spring plays the reset action.

Preferably, a supporting frame is arranged on the left side of the limiting cylinder, the supporting frame is fixedly connected to the top of an inner cavity of the installation shell and the bottom of the inner cavity, the supporting frame is close to a second electrified piece fixedly connected to one side, the second electrified piece is matched with the first electrified piece, an input cable is arranged inside the supporting frame arranged on the bottom of the installation shell, one end of the input cable is fixedly connected with the second electrified piece, the other end of the input cable penetrates through the bottom of the installation shell and extends outwards, an output cable is arranged inside the supporting frame arranged on the top of the installation shell, one end of the output cable is fixedly connected with the second electrified piece, the other end of the output cable penetrates through the top of the installation shell and extends outwards, the first electrified piece can be connected with the second electrified piece under the driving of magnetic force, and the connection with the second electrified piece can be disconnected under the driving of a reset spring.

Compared with the prior art, the utility model provides an electromagnetic switch, which has the following beneficial effects:

1. the utility model is designed with a magnetic mechanism, the magnetic mechanism converts the electric power of the dry battery into a driving force according to the principle that the electricity and the magnetism are physically generated and repel each other at the same level, thereby realizing the opening and closing of the switch.

2. The electromagnetic switch is provided with the electrifying mechanism which adopts a telescopic structure, the electrifying mechanism is exquisite in structure and simple in principle, and can be switched to an extension state under the pushing of the magnetic mechanism, when the magnetic force disappears, the elastic force of the return spring can drive the magnetic mechanism to be switched to a contraction state, and the problems of energy waste and service life caused by the fact that the conventional electromagnetic switch is always kept in the electrifying state are solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of a portion of a magnetic force mechanism according to the present invention;

FIG. 4 is an enlarged view of the structure at A of the present invention;

FIG. 5 is an enlarged view of the structure at B of the present invention.

In the figure: 1. mounting a shell; 11. an input cable; 12. an output cable; 13. a battery cover; 14. a sliding groove; 2. a magnetic force mechanism; 21. a fixed mount; 22. a solenoid; 221. a coil; 23. a battery case; 231. a first conductive block; 24. a cabling rack; 241. a second conductive block; 25. positioning a rod; 251. a gear; 26. a first rack; 27. a second rack; 28. a slider; 29. a switch; 3. a power-on mechanism; 31. a support bar; 32. a limiting cylinder; 33. a motion bar; 34. a magnet; 35. a return spring; 36. a push rod; 37. a first energizing piece; 38. a receiving frame; 39. and a second electrifying piece.

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: an electromagnetic switch comprises a mounting shell 1, wherein a magnetic mechanism 2 and an electrifying mechanism 3 are fixedly connected inside the mounting shell 1, and a battery cover 13 is movably connected to the bottom of the front side of the mounting shell 1.

The magnetic mechanism 2 comprises a fixed frame 21, the right side of the fixed frame 21 is fixedly connected with the right side of the inner wall of the installation shell 1, the left side of the fixed frame 21 is fixedly connected with a solenoid 22, the surface of the solenoid 22 is sleeved with a coil 221, the bottom of the inner cavity of the installation shell 1 is fixedly connected with a battery jar 23, the left side of the battery jar 23 is provided with a chute 24, the bottom of the chute 24 is slidably connected with the bottom of the inner cavity of the installation shell 1, one end of the coil 221 is fixedly connected with the right side of the battery jar 23, the other end of the coil 221 extends into the chute 24, the right side of the chute 24 is fixedly connected with a second conductive block 241, the other end of the coil 221 is fixedly connected with the surface of the second conductive block 241, the left side of the battery jar 23 is fixedly connected with a first conductive block 231, the first conductive block 231 is matched with the second conductive block 241, the first conductive block 231 and the second conductive block 241 both have good conductivity, thereby ensuring that the coil 221 and the battery form a closed loop, and the left side of the chute 24 is fixedly connected with a first rack 26, first rack 26 front side is provided with locating lever 25, locating lever 25 bottom and 1 inner chamber bottom fixed connection of installation shell, locating lever 25 fixed movable connection has gear 251 in the surface, gear 251 and the meshing of first rack 26, locating lever 25 front side is provided with second rack 27, second rack 27 meshes with gear 251, first rack 26, second rack 27 and gear 251 mutually support and realize the transmission of external force to chute 24, second rack 27 deviates from locating lever 25 one side fixedly connected with sliding block 28, sliding tray 14 has been seted up along the horizontal direction to the installation shell 1 front side, sliding block 28 surface and 14 cell wall sliding connection of sliding tray, sliding block 28 deviates from second rack 27 one side and extends to the sliding tray 14 outside, sliding block 28 deviates from second rack 27 one side fixedly connected with switch 29, sliding block 28 and sliding tray 14 constitute the cooperation of slide guide along the horizontal direction.

The electrifying mechanism 3 comprises a supporting rod 31, the bottom of the supporting rod 31 is fixedly connected with the top of the inner cavity of the installation shell 1, the top of the supporting rod 31 is fixedly connected with a limiting cylinder 32, a moving rod 33 is arranged inside the limiting cylinder 32, one end of the moving rod 33 is fixedly connected with a limiting step, the surface of the limiting step is in sliding connection with the inner wall of the limiting cylinder 32, the other end of the moving rod 33 penetrates through the limiting cylinder 32 and extends towards the right side of the limiting cylinder 32, the surface of the moving rod 33 is in sliding connection with a magnet 34, the magnetic pole of the magnet 34 is the same as the magnetic pole generated after the solenoid 22 is electrified close to one end of the magnet 34, the left side of the limiting step is fixedly connected with a pushing rod 36, one end of the pushing rod 36, which deviates from the limiting step, penetrates through the limiting cylinder 32 and extends towards the left side of the limiting cylinder 32, the surface of the pushing rod 36 is in sliding connection with the left side of the limiting cylinder 32, one end of the pushing rod 36, which deviates from the limiting step, is fixedly connected with a first electrifying piece 37, a reset spring 35 is arranged in the limiting cylinder 32, one end of the reset spring 35 is fixedly connected with the left side of the limiting step, the other end of the reset spring 35 is fixedly connected with the left side of the limiting cylinder 32, the reset spring 35 plays a role of resetting, a bearing frame 38 is arranged on the left side of the limiting cylinder 32, one bearing frame 38 is respectively fixedly connected with the top of the inner cavity and the bottom of the inner cavity of the mounting shell 1, a second electrifying piece 39 is fixedly connected with one side of each of the two bearing frames 38 close to each other, the second electrifying piece 39 is matched with the first electrifying piece 37, an input cable 11 is arranged in the bearing frame 38 at the bottom of the mounting shell 1, one end of the input cable 11 is fixedly connected with the second electrifying piece 39, the other end of the input cable passes through the bottom of the mounting shell 1 and extends outwards, an output cable 12 is arranged in the bearing frame 38 at the top of the mounting shell 1, one end of the output cable 12 is fixedly connected with the second electrifying piece 39, and the other end of the output cable passes through the top of the mounting shell 1 and extends outwards, the first current-carrying piece 37 is connectable to the second current-carrying piece 39 by being driven by magnetic force, and disconnectable from the second current-carrying piece 39 by being driven by the return spring 35.

In practical operation, when the device is used, the user opens the battery cover 13, installs the battery in the battery slot 23, closes the battery cover 13, pushes the switch 29 horizontally to the left, the switch 29 moves and drives the slide block 28 to slide horizontally to the left along the slide slot 14, the slide block 28 moves and drives the second rack 27 to move horizontally to the left synchronously, the second rack 27 moves and drives the gear 251 to rotate synchronously around the axis of the positioning rod 25, the gear 251 rotates and drives the first rack 26 to move horizontally to the right synchronously, the first rack 26 moves and drives the rack 24 to move horizontally to the right synchronously, when the second conductive block 241 contacts with the first conductive block 231, the user stops pushing the switch 29, the coil 221 forms a closed loop with the battery, according to the electromagnetic principle, a magnetic field is generated on the left side of the solenoid 22, the magnetic field on the left side of the solenoid 22 repels the magnetic field of the magnet 34, the magnet 34 moves horizontally to the left under the pushing of the magnetic field of the solenoid 22, the magnet 34 moves and drives the moving rod 33 to move horizontally and synchronously to the left, the moving rod 33 moves and drives the pushing rod 36 to move horizontally and synchronously to the left, the return spring 35 contracts under the squeezing of the moving rod 33 and the limiting cylinder 32, when the first electrifying piece 37 moves to between the two second electrifying pieces 39, the first electrifying piece 37 is connected with the second electrifying pieces 39, and the input cable 11 is communicated with the output cable 12.

The user pushes the switch 29 horizontally and rightwards, and similarly, the chute 24 moves horizontally and leftwards to the initial position, the second conductive block 241 is disconnected from the first conductive block 231, the solenoid 22 does not generate a magnetic field any more, the moving rod 33 moves horizontally and rightwards under the action of the elastic force of the return spring 35, the moving rod 33 moves and drives the pushing rod 36 to move synchronously, the pushing rod 36 moves and drives the second conducting piece 39 to move synchronously, the first conducting piece 37 is disconnected from the second conducting piece 39, and the input cable 11 is disconnected from the output cable 12.

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. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. An electromagnetic switch comprising a mounting housing (1), characterized in that: the magnetic mechanism (2) and the electrifying mechanism (3) are fixedly connected inside the mounting shell (1), and the bottom of the front side of the mounting shell (1) is movably connected with a battery cover (13);

magnetic force mechanism (2) are including mount (21), mount (21) right side and installation shell (1) inner wall right side fixed connection, mount (21) left side fixedly connected with solenoid (22), solenoid (22) surface cover is equipped with coil (221), installation shell (1) inner chamber bottom fixedly connected with battery jar (23), battery jar (23) left side is provided with chute (24), chute (24) bottom and installation shell (1) inner chamber bottom sliding connection.

2. An electromagnetic switch according to claim 1, characterized in that: coil (221) one end and battery jar (23) right side fixed connection, the other end extend to inside chute (24), chute (24) right side fixedly connected with second conducting block (241), coil (221) other end and second conducting block (241) fixed surface are connected, battery jar (23) left side fixedly connected with first conducting block (231), first conducting block (231) and second conducting block (241) phase-match.

3. An electromagnetic switch according to claim 2, characterized in that: the rack is characterized in that a first rack (26) is fixedly connected to the left side of the cabling rack (24), a positioning rod (25) is arranged on the front side of the first rack (26), the bottom of the positioning rod (25) is fixedly connected with the bottom of an inner cavity of the mounting shell (1), a gear (251) is fixedly and movably connected to the surface of the positioning rod (25), the gear (251) is meshed with the first rack (26), a second rack (27) is arranged on the front side of the positioning rod (25), and the second rack (27) is meshed with the gear (251).

4. An electromagnetic switch according to claim 3, characterized in that: second rack (27) deviate from locating lever (25) one side fixedly connected with sliding block (28), and sliding tray (14) have been seted up along the horizontal direction to installation shell (1) front side, sliding block (28) surface and sliding tray (14) cell wall sliding connection, sliding block (28) deviate from second rack (27) one side and extend to sliding tray (14) outside, sliding block (28) deviate from second rack (27) one side fixedly connected with switch (29).

5. An electromagnetic switch according to claim 1, characterized in that: circular telegram mechanism (3) are including bracing piece (31), bracing piece (31) bottom and installation shell (1) inner chamber top fixed connection, bracing piece (31) top fixedly connected with spacing section of thick bamboo (32), spacing section of thick bamboo (32) inside is provided with motion pole (33), the spacing step of motion pole (33) one end fixedly connected with, spacing step surface and spacing section of thick bamboo (32) inner wall sliding connection, motion pole (33) other end passes spacing section of thick bamboo (32) and extends to spacing section of thick bamboo (32) right side, motion pole (33) surface and spacing section of thick bamboo (32) right side sliding connection, motion pole (33) other end fixedly connected with magnet (34).

6. An electromagnetic switch according to claim 5, characterized in that: spacing step left side fixedly connected with catch bar (36), catch bar (36) deviate from spacing step one end and pass spacing section of thick bamboo (32) and extend to spacing section of thick bamboo (32) left side, catch bar (36) surface and spacing section of thick bamboo (32) left side sliding connection, catch bar (36) deviate from the first circular telegram piece of spacing step one end fixedly connected with (37), spacing section of thick bamboo (32) inside is provided with reset spring (35), reset spring (35) one end and spacing step left side fixed connection, the other end and spacing section of thick bamboo (32) left side fixed connection.

7. An electromagnetic switch according to claim 6, characterized in that: spacing section of thick bamboo (32) left side is provided with accepts frame (38), and each fixedly connected with of installation shell (1) inner chamber top and inner chamber bottom accepts frame (38), two accept frame (38) and be close to equal fixedly connected with second circular telegram piece (39) in one side each other, second circular telegram piece (39) and first circular telegram piece (37) phase-match, are located accepting frame (38) inside input cable (11) that is provided with of installation shell (1) bottom, input cable (11) one end and second circular telegram piece (39) fixed connection, the other end pass installation shell (1) bottom and outwards extend, are located accepting frame (38) inside output cable (12) that is provided with at installation shell (1) top, output cable (12) one end and second circular telegram piece (39) fixed connection, the other end pass installation shell (1) top and outwards extend.