Electromagnetic relay with anti-seismic structure

Abstract

The utility model relates to the technical field of electromagnetic relays, in particular to an electromagnetic relay with an anti-seismic structure. The electromagnetic relay with the anti-seismic structure comprises an electromagnetic relay base and an electromagnetic relay body connected with the electromagnetic relay base, the electromagnetic relay body comprises a connecting base and a relay assembly, the connecting base is provided with a plurality of jacks, pins are clamped in the jacks, and limiting plates are arranged on the pins. According to the utility model, the limiting plate is arranged on the pin of the electromagnetic relay body, and the limiting plate abuts against the connecting base, so that the situation that a connecting wire in an element is separated from the pin or even the pin falls off from the electromagnetic relay due to repeated swing and vibration in the plugging and unplugging process is avoided; the top of the pin is also provided with an L-shaped wiring groove, through the design of turning, the groove body plays a role in limiting the connecting line, and the separation of the connecting line in the vibration process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic relay, especially is electromagnetic relay with anti -shock structure. BACKGROUND

[0002] Electromagnetic relay is a kind of electric control device, is widely used in household appliances, remote control, communication and the control circuit of automation, the substantial effect is through the small current of control circuit to control the large current of output loop a kind of automatic switch.The electromagnetic relay of prior art is first wound on the wire frame in the assembling process, then the enameled wire is hung in the lug at the both ends of wire frame, the enameled wire head is cut to a certain length, and the wire head is dipped in tin, then the dipped-in-tin wire is wound on the pin, the excess wire head is cut off, finally soldering tin is carried out, and the dipped-in-tin wire and the pin are welded together.

[0003] Because the conventional metal pin is sheet structure, when the dipped-in-tin wire is connected with the pin, it is only pasted on the side of the pin by soldering tin, when the user plugs in and plugs out the electromagnetic relay, the dipped-in-tin wire and the pin are very easy to separate, thereby causing the circuit of electromagnetic relay to be damaged and unable to use, and even the pin can be pulled out from the electromagnetic relay. SUMMARY

[0004] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and in part will become apparent from the description, or be learned by practice of the present utility model. The purpose and other advantages of the present utility model can be realized and obtained by the structure specially pointed out in the description and other drawings of the description.

[0005] The utility model aims at overcoming the above-mentioned insufficient, provides electromagnetic relay with anti -shock structure, through being provided with the limiting board on the pin of electromagnetic relay body, makes the limiting board and the connecting base resist, to avoid the situation that the connecting wire in the element and the pin are separated, even the pin is separated from the electromagnetic relay, due to repeated swing, vibration in the process of plugging in and plugging out, the top of pin is also provided with the L type wiring slot, through the design of elbow, makes the groove body to the connecting wire play the limiting effect, avoids the separation of connecting wire in the vibration process, the wiring terminal on the base of electromagnetic relay is also provided with fixed nut, and after being matched with fixed screw, can play the fixed effect to the base, improves stability, prevents the vibration generated in the process of plugging in and plugging out and makes the internal circuit of base disconnected.

[0006] The utility model provides an electromagnetic relay with anti -shock structure, including electromagnetic relay base and with the electromagnetic relay base connection's electromagnetic relay body, the electromagnetic relay body includes connecting base and relay assembly, a plurality of jack holes are set up on the connecting base, the jack hole is equipped with the pin, the pin includes insertion end and wiring end, the wiring end is provided with stop plate and terminal board, the stop plate is in surface with the connecting base and touches, the terminal board is located the top of stop plate.

[0007] Connecting base and relay assembly constitute the basic structure of the electromagnetic relay body, considering that the conventional sheet pin is fixed in the jack hole and is easy to be shaken, vibrated and influenced by falling, leading to unstable connection line, even being pulled out from the jack hole, the stop plate is added on the pin, and the surface of the connecting base is in contact state, which can effectively improve the stability of the pin connection.

[0008] In some embodiments, the pin side extends outwardly provided with the stop plate and the terminal board, and the stop plate and the terminal board are located on the same side. The terminal board located above the stop plate is used for fixing the connecting wire.

[0009] In some embodiments, the terminal board is provided with a wiring slot, and the wiring slot is L-shaped. The L-shaped wiring slot is provided, so that the connecting wire can be smoothly clamped in the slot body. With the aid of soldering tin, the stability during fixing is improved, and vibration and falling are prevented.

[0010] In some embodiments, the pin side is further provided with a circular contact, and the circular contact is arranged on the side opposite to the terminal board. The electromagnetic relay is provided with a moving contact and a stationary contact. When the electromagnet is attracted by the current to move the iron core, the moving contact and the stationary contact are in contact, thereby turning on and off the circuit. The contact provided on the pin is a stationary contact. The circular contact can be added according to the actual position of the pin. The conventional pin does not need to be added. However, if it is added, the circular contact is arranged on the side opposite to the stop plate and the wiring slot, so as to avoid affecting the circuit functions of the wiring slot and the circular contact.

[0011] In some embodiments, a limiting tooth is arranged in the jack hole, and the limiting tooth is downwardly inclined and the inclination angle is greater than 135 degrees. The limiting tooth is arranged to limit the movement direction of the pin. When the pin is installed, the pin is inserted from above the jack hole. Since the pin is inserted along the direction of the limiting tooth, the installation process is smooth. In addition, the aid of the adhesive agent can stabilize the connection between the jack hole and the pin. When the pin is inserted into the base, the pin tends to move upward. However, due to the limitation of the limiting tooth, the position of the pin is fixed, and the amplitude of shaking and vibration can be reduced.

[0012] In some embodiments, the electromagnetic relay base is provided with a terminal, the terminal comprising a bottom plate, side plates and a partition plate, the bottom plate being integrally connected with the electromagnetic relay base body, the side plates being provided on both sides of the bottom plate and extending inwardly to be provided with a plurality of fixing claws, and the partition plate being clamped in the fixing claws. The bottom plate and the side plates constitute the outer contour of the terminal, and the fixing claws are arranged to fix the position of the partition plate, provide support force for the fixing screw and limit the position of the fixing screw.

[0013] In some embodiments, the partition plate is provided with a threaded hole, and a fixing screw is screwed in the threaded hole. The fixing screw fixed by the threaded hole is a common structure of the terminal, and in the process of conventional line connection, the worker connects the wire end with the fixing screw and tightens it, and realizes conduction after power on.

[0014] In some embodiments, the terminal further comprises a fixing nut located between the bottom plate and the partition plate. The fixing nut clamped between the bottom plate and the partition plate fixes its own position, and is screwed with the fixing screw to limit the position of the fixing screw and prevent it from shaking. If the electromagnetic relay base falls, the displacement of the components can be avoided.

[0015] In some embodiments, the axis of the fixing screw, the threaded hole and the fixing nut is located on the same vertical line. The axes of the fixing screw, the threaded hole and the fixing nut are on the same line, so that the fixing screw can accurately pass through the threaded hole and the fixing nut, and the stability of the terminal is ensured by screwing. When the electromagnetic relay is pulled out of the base and shakes or vibrates, the connection wire can be prevented from falling off the terminal.

[0016] In some embodiments, the circular contact is made of gold-silver alloy, and the pin is made of copper-silver plated material. Gold and silver have good conductivity, and gold is stable in nature, which has excellent performance in circuit connection. However, considering the cost, the circular contact made of gold-silver alloy is arranged to make the conduction faster and effectively avoid heating. Similarly, since the pins are arranged in a large number, the copper-silver plated material is selected to improve the conduction performance while reducing the cost.

[0017] By adopting the above technical scheme, the electromagnetic relay base has the following advantages:

[0018] The utility model discloses a limit stopper is set up on the pin of electromagnetic relay body, makes limit stopper and the abutment of connecting base, thereby avoids the disengagement of connecting line in element interior and the pin from electromagnetic relay due to repeated swing, vibration in the process of plugging, even the pin falls off from electromagnetic relay, and the top of pin still is provided with the wiring groove of L type, through the design of elbow, makes the groove body to connecting line play the limiting function, avoids the disengagement of connecting line in the vibration process, and the wiring terminal on the base of electromagnetic relay still is provided with fixed nut, and after matching with fixed screw, can play the fixed effect to base, promotes stability, prevents the vibration of producing in the process of plugging and makes the internal circuit of base disconnected.

[0019] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure.

[0020] It is undoubtedly that the above purposes and other purposes of the utility model and other purposes will become more obvious after the description of the preferred embodiments of the utility model described in the following various drawings and drawings.

[0021] In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, one or more preferred embodiments are described below, and the drawings are shown, and the detailed description is as follows. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model.

[0023] In the drawings, the same parts use the same reference signs, and the drawings are schematic, and are not necessarily drawn according to the actual proportion.

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description can obtain other drawings according to the drawings for the ordinary skilled in the art without creating creative labor.

[0025] Figure 1 It is an internal structure schematic view of the electromagnetic relay body in some embodiments of the utility model;

[0026] Figure 2 It is a pin specific structure schematic view in some embodiments of the utility model;

[0027] Figure 3 It is a pin and socket connection schematic view in some embodiments of the utility model;

[0028] Figure 4 It is the schematic view of electromagnetic relay base structure in some embodiments of the utility model;

[0029] Figure 5 It is the schematic view of wiring terminal specific structure in some embodiments of the utility model.

[0030] Main figure mark explanation:

[0031] 1, electromagnetic relay body;

[0032] 2, connecting base;

[0033] 3, relay assembly;

[0034] 4, pin;

[0035] 41, limit plate; 42, wiring board; 43, wiring slot; 44, round contact;

[0036] 5, limit tooth;

[0037] 6, electromagnetic relay base;

[0038] 7, wiring terminal;

[0039] 71, bottom plate; 72, side plate; 73, partition plate; 74, fixed claw; 75, screw hole; 76, fixed screw; 77, fixed nut. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below with specific implementation ways.It should be understood that the specific implementation ways described here are only used to explain the utility model, but not used to limit the utility model.

[0041] In addition, in the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0042] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be direct connection, also can pass through the intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relation.But note direct connection then explain the connection two main bodies between not pass through transition structure construction connection relation, only through the connecting structure is connected to form an integral whole.For the ordinary skill of the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be direct connection, also can pass through the intermediate medium indirectly connect, can be two element inside's intercommunication or two element's mutual action relation.But note direct connection then explain the connection two main bodies between not pass through transition structure construction connection relation, only through the connecting structure is connected to form an integral whole.For the ordinary skill of the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0044] Refer to Figures 1-2 , Figure 1 It is the internal structure schematic drawing of electromagnetic relay body in some embodiments of the utility model; Figure 2 It is the specific structure schematic drawing of pin in some embodiments of the utility model.

[0045] According to some embodiments of the utility model, the utility model provides electromagnetic relay with anti-seismic structure, including electromagnetic relay base 6 and the electromagnetic relay base 6 is connected with electromagnetic relay body 1, the electromagnetic relay body 1 includes connecting base 2 and relay assembly 3, a plurality of jack holes are set up on the connecting base 2, the jack hole is clamped with pin 4, the pin 4 includes insertion end and wiring end, the wiring end is provided with limiting plate 41 and wiring plate 42, the limiting plate 41 is in contact with the surface of the connecting base 2, and the wiring plate 42 is located above the limiting plate 41.

[0046] Connecting base 2 and relay assembly 3 constitute the basic structure of the electromagnetic relay body 1, considering that the conventional sheet-shaped pin 4 is fixed in the jack hole and is easy to be shaken, vibrated and influenced by falling, leading to unstable connection line, even being pulled out from the jack hole, the limiting plate 41 is added on the pin 4, and the surface of the connecting base 2 is in contact, which can effectively improve the stability of the pin 4 during connection.

[0047] The pin 4 side edge outwardly extends to be provided with the limiting plate 41 and the wiring plate 42, and the limiting plate 41 and the wiring plate 42 are located on the same side. The wiring plate 42 located above the limiting plate 41 is used for fixing the connecting wire.

[0048] The wiring plate 42 is provided with a wiring groove 43 in an L shape. The L-shaped wiring groove 43 is arranged to enable the connecting wire to be smoothly clamped in the groove, and the soldering tin is used to assist the stability during fixing and prevent the vibration from falling off.

[0049] The pin 4 side edge is further provided with a circular contact 44 arranged on the side opposite to the wiring plate 42. The electromagnetic relay is provided with a moving contact and a static contact. When the electromagnet is attracted by the current to move the iron core, the moving contact is in contact with the static contact, thereby turning on and off the circuit. The contact arranged on the pin 4 is the static contact. The circular contact 44 can be added according to the actual position of the pin 4, and the conventional pin 4 does not need to be added. However, if the circular contact 44 is added, the circular contact 44 is arranged on the side opposite to the limiting plate 41 and the wiring groove 43, so as to avoid affecting the circuit functions of the wiring groove 43 and the circular contact 44.

[0050] The circular contact 44 is made of gold-silver alloy, and the pin 4 is made of copper-silver plating. Gold and silver have good conductivity, and gold is stable in nature. Gold has excellent performance in the circuit connection process. However, considering the cost problem, the gold-silver alloy circular contact is arranged to make the conduction faster and effectively avoid the heating condition. Similarly, since the pins 4 are arranged in a large number, the copper-silver plating material is selected to improve the conduction performance while reducing the cost.

[0051] Referring to Figure 3 , Figure 3 It is a pin and socket connection diagram in some embodiments of the utility model.

[0052] According to some embodiments of the utility model, the limiting tooth 5 is arranged in the socket, the limiting tooth 5 is downwardly inclined and the inclination angle is greater than 135 degrees. The limiting tooth 5 is arranged to limit the moving direction of the pin 4. When the pin 4 is installed, the pin 4 is inserted from above the socket. Since the pin 4 is inserted along the direction of the limiting tooth 5, the installation process is smooth. In addition, the adhesive is used to assist the connection between the socket and the pin 4 to be stable. When the pin 4 is inserted into the base, the pin 4 has a tendency to move upward. However, due to the limitation of the limiting tooth 5, the position of the pin 4 is fixed, and the amplitude of shaking and vibration can be reduced.

[0053] Referring to Figures 4-5 , Figure 4 It is a base structure diagram of an electromagnetic relay in some embodiments of the utility model. Figure 5 It is a specific structure diagram of a wiring terminal in some embodiments of the utility model.

[0054] According to some embodiments of the present application, the electromagnetic relay base 6 is provided with a wiring terminal 7, the wiring terminal 7 comprises a bottom plate 71, a side plate 72 and a partition plate 73, the bottom plate 71 is integrally connected with the electromagnetic relay base 6 body, the bottom plate 71 is provided with the side plate 72 on both sides, the side plate 72 is provided with a plurality of fixing claws 74 extending inward, and the fixing claws 74 are provided with the partition plate 73 clamped therein. The structure of the bottom plate 71 and the side plate 72 constitutes the outer contour of the wiring terminal 7, and the fixing claws 74 are arranged to fix the position of the partition plate 73, provide support force for the fixing screw 76 and limit the position of the fixing screw 76.

[0055] The partition plate 73 is provided with a threaded hole 75, and the fixing screw 76 is screwed in the threaded hole 75. The fixing screw 76 fixed by the threaded hole 75 is a common structure of the wiring terminal 7, and in the process of conventional line connection, the worker connects the wire end with the fixing screw 76 and tightens it, and realizes conduction after power on.

[0056] The wiring terminal 7 further comprises a fixing nut 77, which is located between the bottom plate 71 and the partition plate 73. The fixing nut 77 clamped between the bottom plate 71 and the partition plate 73 fixes its own position, and is screwed with the fixing screw 76 to limit the position of the fixing screw 76 and prevent it from shaking. If the electromagnetic relay base 6 falls, the displacement of each component can be avoided.

[0057] The axis of the fixing screw 76, the threaded hole 75 and the fixing nut 77 is located on the same vertical line. The axes of the fixing screw 76, the threaded hole 75 and the fixing nut 77 are on the same line, so that the fixing screw 76 can accurately pass through the threaded hole 75 and the fixing nut 77, and the stability of the wiring terminal 7 is ensured by screwing. When the electromagnetic relay is pulled out of the base and shakes or vibrates, the situation that the connecting wire falls off from the wiring terminal 7 can be avoided.

[0058] It should be understood that the embodiments disclosed by the present application are not limited to the specific processing steps or materials disclosed herein, but should extend to the equivalent alternatives of such features understood by those skilled in the related art. It should also be understood that the terms used herein are for the purpose of describing specific embodiments only and do not mean limitation.

[0059] The "embodiments" mentioned in the specification mean that the specific features or characteristics described in connection with the embodiments are included in at least one embodiment of the present application. Therefore, the phrases or "embodiments" appearing throughout the specification do not necessarily mean the same embodiment.

[0060] Moreover, the described features or characteristics can be combined in any other suitable manner in one or more embodiments. In the above description, some specific details are provided for the purpose of providing a thorough understanding of embodiments of the application. However, persons of ordinary skill in the relevant art will appreciate that the application can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims

1. An electromagnetic relay having a shock-resistant structure, characterized by comprising: The electromagnetic relay base and the electromagnetic relay body connected with the electromagnetic relay base, the electromagnetic relay body includes a connecting base and a relay assembly, a plurality of insertion holes are formed on the connecting base, and a pin is clamped in the insertion hole, the pin includes an insertion end and a wiring end, a limiting plate and a wiring plate are arranged on the wiring end, the limiting plate is in contact with the surface of the connecting base, and the wiring plate is above the limiting plate; The limiting plate and the wiring plate are arranged on the same side of the pin side edge, the wiring plate is provided with a wiring groove, the wiring groove is in an L shape, the pin side edge is further provided with a circular contact, and the circular contact is arranged on the side opposite to the wiring plate; a limiting tooth is arranged in the insertion hole, the limiting tooth is inclined downward, and the inclination angle is greater than 135 degrees; The electromagnetic relay base is provided with a wiring terminal, the wiring terminal includes a bottom plate, a side plate and a partition plate, the bottom plate is integrally connected with the electromagnetic relay base body, the side plates are arranged on both sides of the bottom plate, the side plates are inwardly extended to be provided with a plurality of fixing claws, and the fixing claws are clamped with the partition plate; a screw hole is formed on the partition plate, and a fixing screw is screwed in the screw hole; the wiring terminal further includes a fixing nut, and the fixing nut is between the bottom plate and the partition plate; the shaft centers of the fixing screw, the screw hole and the fixing nut are located on the same vertical line.

2. The electromagnetic relay having an anti-shock structure according to claim 1, characterized by, The circular contact is made of gold-silver material, and the pin is made of copper-silver material.

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