CN113284765A

CN113284765A - Electromagnetic relay

Info

Publication number: CN113284765A
Application number: CN202110508417.9A
Authority: CN
Inventors: 张雪梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-08-20

Abstract

The invention provides an electromagnetic relay, which comprises a wiring base; the top parts of the wiring bayonets at the left end and the right end of the wiring base are clamped with waterproof cover plates, and wire clamps are connected in the wiring bayonets in a sliding manner; the top of the wiring base is inserted with a connecting seat, and the top of the connecting seat is clamped with a protective shell; an electromagnet is arranged in the middle of the top of the connecting seat, an armature is rotatably connected to a supporting column of the connecting seat, and the right end of the armature is connected with the top of the power-out contact; the middle of the bottom of the left side of the armature is connected with the right end of the supporting spring; according to the invention, the limiting pressing block of the waterproof cover plate slides downwards along the limiting clamping groove until the magnetic suction block is magnetically sucked into the magnetic suction base, so that the waterproof cover plate is pressed outside the wiring bayonet, the air tightness of the wiring bayonet is favorably improved, the cable and the wire clamp in the wiring bayonet are prevented from being rusted by moist gas, the service life of the wire clamp is prolonged, and the safety of power utilization is ensured.

Description

Electromagnetic relay

Technical Field

The invention belongs to the technical field of relays, and particularly relates to an electromagnetic relay.

Background

An electromagnetic relay is an electronic control device, which has a control system (also called input loop) and a controlled system (also called output loop), and is usually applied in an automatic control circuit, and it is an 'automatic switch' that uses a smaller current and a lower voltage to control a larger current and a higher voltage, so that it plays the role of automatic regulation, safety protection, switching circuit, etc. in the circuit.

The electromagnetic relay may refer to CN104795281B patent, which mainly includes a substrate on which an electromagnet unit, a plug board, a movable terminal and a fixed terminal are arranged in parallel; the electromagnet unit includes a yoke and a coil fixed to the yoke; the armature is internally provided with a rotating shaft and is rotatably fixed on the magnetic yoke through the rotating shaft; the plug board is fixed on the substrate in a swinging mode and comprises a first end and a second end, the first end is in contact with the armature, and the second end is in contact with the movable terminal; the movable terminal is in contact with the fixed terminal.

The installation of cable when current similar electromagnetic relay uses usually needs the screw to connect, because needs rotatory screw, consequently will be in disorder with the copper wire line in the cable, and the installation is complicated difficult, still very easily makes the copper wire line produce the oxidation phenomenon, makes the junction disconnection of cable and relay, causes and can't use the reconnection of needs, and reconnection again consumes a large amount of time.

Disclosure of Invention

In order to solve the technical problems, the invention provides an electromagnetic relay, which aims to solve the problems that when the existing similar electromagnetic relay is used, a cable is usually installed by screws for connection, the copper wires in the cable are disordered due to the need of rotating the screws, the installation process is complex and difficult, the copper wires are easily oxidized, the connection part of the cable and the relay is disconnected, the cable cannot be used and needs to be reconnected, and a large amount of time is consumed for reconnection.

The purpose and the effect of the electromagnetic relay are achieved by the following specific technical means:

an electromagnetic relay includes a wiring base; the top parts of the wiring bayonets at the left end and the right end of the wiring base are clamped with waterproof cover plates, and wire clamps are connected in the wiring bayonets in a sliding manner; the top of the wiring base is inserted with a connecting seat, and the top of the connecting seat is clamped with a protective shell; an electromagnet is arranged in the middle of the top of the connecting seat, an armature is rotatably connected to a supporting column of the connecting seat, and the right end of the armature is connected with the top of the power-out contact; the middle of the left bottom of the armature is connected with the right end of the supporting spring.

Furthermore, two ends of the wiring base are provided with two wiring bayonets, the middle of two side walls of each wiring bayonet is provided with a limiting clamping groove, a wire clamp is connected in the limiting clamping groove in a sliding mode, and the wire clamp is formed by closing two parts.

Further, the structure setting of waterproof apron agrees with the wiring bayonet socket mutually, and department is provided with spacing briquetting in the middle of the top bottom surface of waterproof apron, and spacing briquetting sliding connection is in spacing draw-in groove, is provided with magnetism between the spacing briquetting of waterproof apron and inhales the piece, and magnetism that magnetism piece and wiring bayonet socket interval wall top was seted up inhales the base and agrees with mutually.

Further, the middle of the front and back both sides wall of connecting seat is located to rotate and is connected with the elasticity buckle, and the torsional spring has been cup jointed to the middle department of elasticity buckle bottom, and the top joint of elasticity buckle is in the connecting groove that both sides were seted up around the protective housing bottom, and the top of elasticity buckle supports the bottom that presses at the buckle roof of protective housing.

Furthermore, armature is the setting of L type, and the L type corner of armature rotates the top of connecting in the support column of connecting seat, and the left end bottom left side of armature is provided with two circular telegram contacts, and circular telegram contact contacts with the electric contact that advances that the connecting seat top left side set up and contacts, and the centre between the circular telegram contact is connected with supporting spring, and the top centre department of armature sets up at the top of electro-magnet.

Furthermore, a current contact is arranged at the bottom of the right end of the armature, the current contact is in intermittent contact with an elastic contact sliding in an electric contact on the right side of the top of the connecting seat, the bottom of the elastic contact is connected with the top of a contact spring, and the contact spring is sleeved outside a connecting battery cell inside the electric contact.

Furthermore, both ends all are connected with the bottom of upset mount in the left and right sides of both sides wall around the wiring base.

Compared with the prior art, the invention has the following beneficial effects:

the setting of fastener places the cable head that will connect in the centre department of fastener, then will clip the fastener of cable and place in the spacing draw-in groove of wiring bayonet socket both sides, is favorable to making the fastener press from both sides the cable tight, avoids the cable to deviate from the fastener, increases the convenience of cable installation simultaneously.

The setting of waterproof cover plate, with the spacing briquetting of waterproof cover plate along spacing draw-in groove lapse, inhale the magnetism to the piece magnetism and inhale the base in, make waterproof cover plate press the outside of wiring bayonet socket, be convenient for improve the gas tightness of wiring bayonet socket, prevent that wiring bayonet socket intraoral cable and fastener from receiving humid gas and taking place the corrosion, improve the life of fastener, guarantee the safety of power consumption simultaneously.

Drawings

Fig. 1 is a side view of the present invention.

FIG. 2 is a schematic illustration of the split structure of the present invention.

Fig. 3 is a schematic view of the structure of the wiring base and the waterproof cover plate of the invention.

Fig. 4 is a schematic sectional structure of the protective shell of the present invention.

Fig. 5 is a schematic view of the internal structure of the protective case of the present invention.

Fig. 6 is an enlarged schematic view of fig. 5 a according to the present invention.

Fig. 7 is a schematic cross-sectional view of the connection socket and armature of the present invention.

Fig. 8 is a schematic cross-sectional view of the connecting seat of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a wiring base; 101. turning over the fixing frame; 102. a wiring bayonet; 103. a limiting clamping groove; 104. a magnetic base; 2. a waterproof cover plate; 201. a limiting pressing block; 202. a magnetic block; 3. wire clamps; 4. a connecting seat; 401. elastic buckle; 402. a torsion spring; 403. a support pillar; 404. an incoming contact; 405. an outgoing contact; 40501. connecting the battery cell; 5. an electromagnet; 6. an armature; 601. a power-on contact; 602. a current contact; 7. a support spring; 8. a protective shell; 801. buckling a top plate; 802. a connecting clamping groove; 9. an elastic contact; 10. a contact spring.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides an electromagnetic relay, comprising a wiring base 1; the top of each wiring bayonet 102 at the left end and the right end of the wiring base 1 is clamped with a waterproof cover plate 2, each wiring bayonet 102 is internally and slidably connected with a wire clamp 3, two ends of the wiring base 1 are provided with two wiring bayonets 102, the middle of each two side walls of each wiring bayonet 102 is provided with a limiting clamping groove 103, each limiting clamping groove 103 is internally and slidably connected with a wire clamp 3, each wire clamp 3 is formed by closing two parts, when the cable clamp is used, a cable head to be connected is placed in the middle of each wire clamp 3, then the wire clamps 3 clamping the cable are placed in the limiting clamping grooves 103 at the two sides of each wiring bayonet 102, the cable is conveniently clamped by the wire clamps 3, the cable is prevented from falling out of the wire clamps 3, and the convenience degree of cable installation is increased; the top of the wiring base 1 is inserted with a connecting seat 4, and the top of the connecting seat 4 is clamped with a protective shell 8; the middle of the top of the connecting seat 4 is provided with an electromagnet 5, the supporting column 403 of the connecting seat 4 is rotatably connected with an armature 6, the right end of the armature 6 is connected with the top of an electric outlet contact 405, the armature 6 is arranged in an L shape, the L-shaped corner of the armature 6 is rotatably connected with the top of the supporting column 403 of the connecting seat 4, the left side of the bottom of the left end of the armature 6 is provided with two electrified contacts 601, the electrified contacts 601 are contacted with an electric inlet contact 404 arranged on the left side of the top of the connecting seat 4, the middle between the electrified contacts 601 is connected with a supporting spring 7, the middle of the top of the armature 6 is arranged on the top of the electromagnet 5, when the electromagnet 5 is electrified, the armature 6 is separated from the top of the electromagnet 5 under the action of the supporting spring 7 when the electromagnet is not electrified, the electromagnet 5 downwards sucks down the middle of the top of the armature 6, the electrifying contact 601 at the bottom left side of the left end of the armature 6 is connected with the electricity inlet contact 404 at the top left side of the connecting seat 4, so that the armature 6 is electrified, and meanwhile, the support spring 7 can improve the insulation of the armature 6 and prevent the leakage from hurting people; the left bottom middle of the armature 6 is connected with the right end of the supporting spring 7.

Wherein, the structure setting of waterproof cover plate 2 agrees with wiring bayonet 102 mutually, department is provided with spacing briquetting 201 in the middle of waterproof cover plate's 2 top bottom surface, spacing briquetting 201 sliding connection is in spacing draw-in groove 103, be provided with magnetism between waterproof cover plate's 2 spacing briquetting 201 and inhale piece 202, magnetism inhale the piece 202 and inhale base 104 agrees with mutually with the magnetism that wiring bayonet 102 partition wall top was seted up, when using, spacing briquetting 201 with waterproof cover plate 2 slides down along spacing draw-in groove 103, inhale to magnetism in the base 104 until magnetism inhales piece 202, make waterproof cover plate 2 press the outside of wiring bayonet 102, be convenient for improve wiring bayonet 102's gas tightness, prevent that cable and fastener 3 in the wiring bayonet 102 from receiving humid gas and taking place the corrosion, improve fastener 3's life, guarantee the safety of power consumption simultaneously.

Wherein, the centre department of the front and back both sides wall of connecting seat 4 rotates and is connected with elasticity buckle 401, torsion spring 402 has been cup jointed to the centre department of elasticity buckle 401 bottom, elasticity buckle 401's top joint is in the connecting groove 802 that both sides were seted up around protective housing 8 bottom, elasticity buckle 401's top is supported and is pressed in the bottom of protective housing 8's buckle roof 801, when using, place protective housing 8 at connecting seat 4's top, make elasticity buckle 401 press in the bottom of buckle roof 801, and elasticity buckle 401 card is in protective housing 8's connecting groove 802, the realization is fixed to protective housing 8, it is more convenient to make protective housing 8's installation, then press the top of buckle roof 801, the bottom of buckle roof 801 will be ejecting with elasticity buckle 401's top from connecting groove 802, it is more convenient to make protective housing 8's dismantlement.

Wherein, the bottom of the right end of the armature 6 is provided with a current contact 602, the current contact 602 is in intermittent contact with an elastic contact 9 sliding in the right side electric outlet contact 405 on the top of the connecting seat 4, the bottom of the elastic contact 9 is connected with the top of a contact spring 10, the contact spring 10 is sleeved outside a connecting electric core 40501 in the electric outlet contact 405, when in use, when the right current contact 602 of the armature 6 moves downwards under the action of the electromagnet 5, the current contact 602 is connected with the elastic contact 9, and the elastic contact 9 is pressed downwards, so that the elastic contact 9 presses the contact spring 10 and contacts with the connecting electric core 40501, the current passes through the armature 6 to play the role of a switch, because the elastic contact 9 is suspended on the top of the connection battery cell 40501 of the electric outlet contact 405 under the action of the contact spring 10, the situation of mistaken electrification is avoided, and the electrification safety can be better improved.

Wherein, both ends all are rotated with the bottom of upset mount 101 about wiring base 1 front and back both sides wall and are connected, when using, when needing to fix wiring base 1 on the wall, break off with the fingers and thumb the wall in wiring base 1 with upset mount 101, then fix on the wall through the bolt, conveniently install wiring base 1 to improve the degree of accuracy of installation, avoid wiring base 1 to rock on the wall.

The specific use mode and function of the embodiment are as follows:

when the invention is used, when the wiring base 1 needs to be fixed on a wall, the overturning fixing frame 101 is broken off from the wiring base 1 and is tightly attached to the wall, then the cable head needing to be connected is placed in the middle of the cable clamp 3, then the cable clamp 3 clamping the cable is placed in the limiting clamping grooves 103 at two sides of the wiring bayonet 102, the cable clamp 3 is convenient to clamp the cable, the cable is prevented from being separated from the cable clamp 3, the limiting pressing block 201 of the waterproof cover plate 2 slides downwards along the limiting clamping grooves 103 until the magnetic suction block 202 is magnetically sucked into the magnetic suction base 104, the waterproof cover plate 2 is pressed outside the wiring bayonet 102, the protective shell 8 is placed at the top of the connecting seat 4, the elastic buckle 401 is pressed at the bottom of the buckle top plate 801, and the elastic buckle 401 is clamped in the connecting clamping groove 802 of the protective shell 8, so as to fix the protective shell 8 and make the installation of the protective shell 8 more convenient, then, the top of the buckle top plate 801 is pressed, and the bottom of the buckle top plate 801 pushes out the top of the elastic buckle 401 from the connecting clamping groove 802, so that the protective shell 8 is more convenient to detach.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An electromagnetic relay characterized in that: comprises a wiring base (1); the top of each wiring bayonet (102) at the left end and the right end of the wiring base (1) is clamped with a waterproof cover plate (2), and each wiring bayonet (102) is internally and slidably connected with a wire clamp (3); the top of the wiring base (1) is inserted with a connecting seat (4), and the top of the connecting seat (4) is clamped with a protective shell (8); an electromagnet (5) is arranged in the middle of the top of the connecting seat (4), an armature (6) is rotatably connected to a supporting column (403) of the connecting seat (4), and the right end of the armature (6) is connected with the top of the power-out contact (405); the middle of the bottom of the left side of the armature iron (6) is connected with the right end of the supporting spring (7).

2. An electromagnetic relay according to claim 1, characterized in that: two ends of the wiring base (1) are provided with two wiring bayonets (102), the middle of two side walls of each wiring bayonet (102) is provided with a limiting clamping groove (103), a wire clamp (3) is connected in the limiting clamping groove (103) in a sliding mode, and the wire clamp (3) is formed by closing two parts.

3. An electromagnetic relay according to claim 1, characterized in that: the structure setting of waterproof apron (2) agrees with mutually with wiring bayonet socket (102), and department is provided with spacing briquetting (201) in the middle of the top bottom surface of waterproof apron (2), and spacing briquetting (201) sliding connection is in spacing draw-in groove (103), is provided with magnetism between spacing briquetting (201) of waterproof apron (2) and inhales piece (202), and magnetism that magnetism piece (202) and wiring bayonet socket (102) interval wall top was seted up is inhaled base (104) and is agreed with mutually.

4. An electromagnetic relay according to claim 1, characterized in that: the middle of the front side wall and the back side wall of the connecting seat (4) is rotatably connected with an elastic buckle (401), the middle of the bottom of the elastic buckle (401) is sleeved with a torsion spring (402), the top of the elastic buckle (401) is clamped in connecting clamping grooves (802) formed in the front side and the back side of the bottom of the protective shell (8), and the top of the elastic buckle (401) is abutted against the bottom of a buckle top plate (801) of the protective shell (8).

5. An electromagnetic relay according to claim 1, characterized in that: armature (6) are the setting of L type, and the L type corner of armature (6) rotates the top of connecting in support column (403) of connecting seat (4), and the left end bottom left side of armature (6) is provided with two circular telegram contacts (601), and circular telegram contact (601) contact with advancing electric contact (404) that connecting seat (4) top left side set up, and the centre department between circular telegram contact (601) is connected with supporting spring (7), and the top centre department setting of armature (6) is at the top of electro-magnet (5).

6. An electromagnetic relay according to claim 1, characterized in that: the electric connector is characterized in that a current contact (602) is arranged at the bottom of the right end of the armature (6), the current contact (602) is in intermittent contact with an elastic contact (9) which slides in an electric contact (405) on the right side of the top of the connecting seat (4), the bottom of the elastic contact (9) is connected with the top of a contact spring (10), and the contact spring (10) is sleeved outside a connecting battery cell (40501) inside the electric contact (405).

7. An electromagnetic relay according to claim 1, characterized in that: the left end and the right end of the front side wall and the right end of the rear side wall of the wiring base (1) are rotatably connected with the bottom of the turnover fixing frame (101).