Relay and terminal leading-out structure thereof

Abstract

The utility model discloses a relay and a terminal leading-out structure thereof, comprising an electric connection assembly, the electric connection assembly comprises an insulating part and a conductive part arranged in the insulating part, one end of the conductive part is used for electrically connecting a leading-out terminal of the relay, and the other end of the conductive part is used for electrically connecting the terminal. The other end of the electric connection assembly protrudes out of the outer surface of the insulating part and forms a first pin terminal used for being electrically connected with an external circuit, so that a leading-out terminal of the relay can be prevented from being bent, a wire harness in the prior art is replaced by the electric connection assembly, the external circuit is electrically connected, and the electrical safety of the relay is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technology field especially relates to a relay and terminal lead-out structure thereof. BACKGROUND

[0002] The relay is an electric control device, can give the prescribed input and keep long enough, makes the controlled quantity in the electrical output circuit to have the predetermined step change, and when the input quantity drops to a certain degree and keeps long enough, restores to the initial state again.

[0003] At present, the relay generally is to the lead-out terminal of coil prebend, extension, to avoid internal mechanism interference, then through the wire harness leads to the shell, therefore, the shape of the lead-out terminal of coil is more complex, leads to the processing difficulty, and in the assembly process or daily use, the wire harness is easy to scratch and causes the electrical safety hidden danger. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a relay and terminal lead-out structure to solve the above problems, can avoid the lead-out terminal of the relay, and replaces the wire harness in the prior art through the electric connection assembly, to realize the electric connection external circuit, and further improves the electrical safety of the relay.

[0005] To achieve the above object, the utility model provides the technical scheme as follows:

[0006] The utility model provides a terminal lead-out structure of relay, including electric connection assembly, the electric connection assembly includes insulating piece and the conducting piece of setting in insulating piece, one end of conducting piece is used for electric connection lead-out terminal of relay, the other end protrudes the outer surface of insulating piece and forms the first electric connection terminal for electric connection external circuit.

[0007] Further, the conducting piece has a pin portion, a plug-in portion, and a connecting portion connected between the pin portion and the plug-in portion, the connecting portion is arranged in the insulating piece, and the pin portion protrudes the outer surface of the insulating piece; the plug-in portion is used for electrically connecting the lead-out terminal of the relay, and the pin portion is the first electric connection terminal.

[0008] Further, the plug-in portion has a plug hole, the insulating piece has a mounting hole for communicating with the plug hole, the lead-out terminal of the relay is inserted into the mounting hole and electrically connected to the corresponding plug-in portion.

[0009] Further, the lead-out terminal of the relay is electrically connected to the corresponding plug-in portion by welding.

[0010] Further, the side of the insulating piece away from the lead-out terminal of the relay is provided with a glue dispensing groove for surrounding the mounting hole.

[0011] Further, the relay further comprises a first coil and a second coil; the first coil is arranged in the first relay unit of the relay, and the second coil is arranged in the second relay unit of the relay; the lead-out terminal of the first coil is the lead-out terminal of the relay.

[0012] Further, the first relay unit and the second relay unit are arranged in a line shape side by side, and the electric connection assembly is arranged between the first relay unit and the second relay unit; the arrangement direction of the first relay unit and the second relay unit is the transverse direction of the relay.

[0013] Further, the insulating member is provided with a clearance hole matched with the lead-out terminal of the second coil, the lead-out terminal of the second coil is arranged through the clearance hole and forms a second electric connection terminal for electrically connecting an external circuit.

[0014] Further, the extension direction of the insulating member is perpendicular to the transverse direction of the relay.

[0015] Further, the lead-out terminals of the first coil and the second coil are respectively located at two ends of the insulating member in the extension direction thereof; the clearance hole and the first electric connection terminal are arranged on the side of the insulating member away from the lead-out terminal of the first coil, and the first electric connection terminal and the second electric connection terminal are located at the same end to form a coil interface of the relay for electrically connecting an external circuit.

[0016] Further, the extension direction of the insulating member is perpendicular to the transverse direction of the relay.

[0017] Further, the first coil and the second coil are respectively provided with a coil mounting frame, one end of the two coil mounting frames is respectively provided with a support part protruding and extending along the axial direction of the first coil and the second coil; the lead-out terminals of the first coil and the second coil are respectively arranged through the corresponding support parts and exposed to the support parts.

[0018] Further, the insulating member is provided with a mounting groove matched with the two support parts, and the two support parts are respectively arranged in the corresponding mounting grooves.

[0019] Further, the conductive member is arranged in the insulating member by integral injection molding.

[0020] Further, the number of the conductive members is two, the two conductive members are arranged at intervals in the insulating member, and the two conductive members correspond to the two lead-out terminals of the first coil.

[0021] The utility model provides a kind of relay, at least comprising the terminal lead-out structure of above-mentioned relay.

[0022] The utility model provides technical schemes have following beneficial effect:

[0023] 1. by with the conductive piece is arranged in the insulating piece to form the electric connection component, and one end of the conductive piece is used to electrically connect the outgoing terminal of relay, and the other end protrudes the outer surface of the insulating piece and forms the first electric connection terminal for electrically connecting external circuit, to realize the replacement of the wiring harness assembly mode in the prior art, so that the adverse phenomena such as wiring harness scratch can be avoided, not only the electrical safety and reliability of relay are improved, but also the outgoing terminal of the relay can be avoided to bend, to reduce the processing difficulty, and improve production efficiency.

[0024] 2. The electric connection component is arranged between the first relay unit and the second relay unit, so that the space formed between the two relay units is fully utilized to realize a compact layout structure, and the space in the relay in the transverse or longitudinal direction can also be avoided, thereby ensuring the miniaturization design of the overall volume.

[0025] 3. The outgoing terminal of the first coil and the second coil also does not need to be bent, that is, it can be directly assembled in the electric connection component, which not only simplifies the structure of the outgoing terminal of the first coil and the second coil, but also avoids the adverse phenomenon that the outgoing terminal of the coil is not assembled in place due to bending, thereby reducing the assembly difficulty.

[0026] 4. The outgoing terminal of the first coil and the second coil respectively vertically passes through the corresponding support part to ensure that the outgoing terminals of the two coils can be stably supported by the two support parts, while avoiding the part exposed by the outgoing terminals of the first coil and the second coil being too long, thereby avoiding deformation under external force. When assembling, only the two ends of the electric connection component are assembled with the two support parts one by one to realize the assembly of the electric connection component on the support parts at the flange of the two coil mounting frames, to raise the mounting position of the electric connection component, so as to facilitate automatic assembly, further ensure assembly accuracy, and also ensure that the outgoing terminals of the two coils do not need to bear the force directly, but are borne by the two support parts, thereby avoiding mechanical damage of the outgoing terminals of the coils of the relay due to excessive impact force.

[0027] 5. After the two first lead terminals of the first coil and the plug-in portions of the two conductive members are welded together one by one, the insulating glue is dripped into the glue dispensing groove until it is filled, and the circumferential groove wall of the glue dispensing groove can prevent the insulating glue from overflowing, so as to effectively reduce the probability of removing residual glue. After the insulating glue flows and solidifies, the insulating glue completely fills the gap between the first lead terminals of the first coil, the inner wall of the plug-in portion, and the end portion of the support portion corresponding to the first coil towards the end portion of the insulating member. In this way, the electrical insulation of the first coil can be increased, and the connection reliability between the first lead terminals of the first coil and the electrical connection assembly can be increased, such as avoiding virtual welding and other welding problems. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 Fig. 1 shows a schematic diagram of a terminal lead-out structure of a relay in Embodiment 1.

[0029] Figure 2 Fig. 2 shows an exploded view of a terminal lead-out structure of a relay in Embodiment 1.

[0030] Figure 3 Fig. 3 shows a schematic diagram of an electrical connection circuit of a terminal lead-out structure of a relay in Embodiment 1.

[0031] Figure 4 Fig. 4 shows an appearance view of a relay in Embodiment 2.

[0032] Figure 5 Fig. 5 shows a top view of a relay in Embodiment 2.

[0033] Figure 6 Fig. 6 shows a schematic diagram of an internal structure of a relay in Embodiment 2. DETAILED DESCRIPTION

[0034] To further illustrate the embodiments, the utility model provides the drawings. These drawings are part of the utility model disclosure, which mainly serves to illustrate the embodiments, and can be combined with the related description of the specification to explain the operating principle of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation manners and advantages of the utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0035] The utility model will be further illustrated in combination with the drawings and specific embodiments.

[0036] Embodiment 1

[0037] Reference Figures 1 to 3 As shown in the drawings, Embodiment 1 provides a terminal lead-out structure of a relay (hereinafter referred to as a terminal lead-out structure) for realizing the electrical connection between the coil of the relay and the external circuit.

[0038] As Figure 1 and Figure 2 shown, the terminal leading structure of the embodiment includes a first coil 1 and a second coil 2, and the first coil 1 is arranged in a first relay unit of the relay, and the second coil 2 is arranged in a second relay unit of the relay, at this time, the relay of the embodiment is a double relay.

[0039] The terminal leading structure of the embodiment further includes an electrical connection assembly 3, and specifically, the electrical connection assembly 3 includes an insulating piece 31 and two conductive pieces 32 arranged in the insulating piece 31.

[0040] One end of each of the two conductive pieces 32 is used to electrically connect two first leading terminals 12 of the first coil 1, and the other end of each of the two conductive pieces 32 protrudes from the outer surface of the insulating piece 31 and forms a first electrical connection terminal used to electrically connect an external circuit, at this time, the leading terminal of the first coil 1 is the leading terminal of the relay.

[0041] In the embodiment, the first relay unit and the second relay unit are arranged in a linear shape side by side, therefore, the first coil 1 and the second coil 2 are also arranged in a linear shape side by side, and the side by side direction of the first coil 1 and the second coil 2 is defined as the transverse direction of the relay, the electrical connection assembly 3 is arranged between the first relay unit and the second relay unit, and the insulating piece 31 is rectangular, at this time, the long direction of the insulating piece 31 is perpendicular to the transverse direction of the relay, in this way, the space formed between the two relay units is fully utilized to realize a compact layout structure, and the space in the relay in the transverse or longitudinal direction can also be avoided, thereby ensuring the miniaturization design of the overall volume. Of course, in other embodiments, the included angle between the long direction of the insulating piece 31 and the transverse direction of the relay can also be adjusted between 0 to 90 degrees.

[0042] As Figure 2 and Figure 3 shown, each of the two conductive pieces 32 has a pin portion 321, a plug portion 323, and a connecting portion 322 connected between the pin portion 321 and the plug portion 323, the connecting portion 322 and the plug portion 323 are arranged in the insulating piece 31, one end of the pin portion 321 away from the connecting portion 322 protrudes from the outer surface of the insulating piece 31, the plug portion 323 is used to electrically connect the first leading terminal 12 of the first coil 1, and the pin portion 321 is the first electrical connection terminal, which is also the first pin terminal.

[0043] As Figure 2As shown, the insulation piece 31 has two mounting holes 311 for respectively connecting two insertion holes of the two plug-in parts 323, and the two first lead-out terminals 12 are respectively inserted into the corresponding mounting holes 311 and electrically connected to the corresponding plug-in parts 323. Of course, the plug-in parts 323 can also adopt a slot structure or a groove structure such as a clamping groove.

[0044] The insulation piece 31 is provided with a clearance hole 313 for accommodating the second lead-out terminals 22 of the second coil 2, and the two second lead-out terminals 22 of the second coil 2 are respectively inserted through the corresponding clearance holes 313 and form second electrical connection terminals, which are also second pin terminals, for electrically connecting external circuits.

[0045] The first lead-out terminals 12 and the second lead-out terminals 22 are respectively located at both ends of the insulation piece 31 in the longitudinal direction, so that the length of the lead-out terminals of the two coils does not need to be additionally extended to realize the connection with the electrical connection assembly 3, that is, the terminal length of the lead-out terminals of the two coils is effectively reduced.

[0046] Moreover, the lead-out terminals of the first coil 1 and the second coil 2 do not need to be bent, but can be directly assembled to the electrical connection assembly 3, which not only simplifies the structure of the lead-out terminals of the first coil 1 and the second coil 2, but also avoids the adverse phenomenon that the assembly is not in place due to the bending of the lead-out terminals of the coils, thereby reducing the assembly difficulty.

[0047] The clearance holes 313 and the pin parts 321 are arranged on the side of the insulation piece 31 away from the first lead-out terminals 12, and the first pin terminals and the second pin terminals are located at the same end and are arranged in a single row to form a coil interface for electrically connecting external circuits. Of course, in other embodiments, the first pin terminals and the second pin terminals can also be arranged in a double row or other arrangement, which can also facilitate the plug-in connection of external circuits.

[0048] In specific implementation, the two first lead-out terminals 12 of the first coil 1 are respectively inserted into the corresponding mounting holes 311, and then welded to fix the two first lead-out terminals 12 of the first coil 1 to the inner walls of the insertion holes of the corresponding plug-in parts 323 and form electrical connection therebetween.

[0049] The two second lead-out terminals 22 of the second coil 2 are respectively vertically inserted through the corresponding clearance holes 313 and arranged in a straight line with the two pin parts 321 to form a coil interface for electrically connecting external circuits.

[0050] The two conductive members 32 are integrally injection molded on the insulating member 31 to ensure the electrical insulation of the connecting portions 322 of the two conductive members 32 located in the insulating member 31, and to avoid the occurrence of wire harness scratching and other undesirable phenomena. Of course, in other embodiments, the conductive members 32 are assembled between the upper and lower portions of the insulating member 31 by assembly, and the electrical insulation of the connecting portions 322 can also be ensured.

[0051] By arranging the conductive members 32 in the insulating member 31 to form the electrical connection assembly 3, and arranging one end of the conductive member 32 to electrically connect the first lead terminal 12 of the first coil 1, and the other end of the conductive member 32 to protrude out of the outer surface of the insulating member 31 and form a first pin terminal for electrically connecting an external circuit, the wire harness assembly mode in the prior art is replaced, which can avoid the occurrence of wire harness scratching and other undesirable phenomena, improve the electrical safety and reliability of the relay, and avoid bending the lead terminal of the coil of the relay, thereby reducing the processing difficulty and improving the production efficiency.

[0052] Of course, in other embodiments, the number of conductive members 32 is not limited to this, and the specific number of conductive members 32 is determined by the specific electrical structure requirements of the relay.

[0053] In addition, the lead terminal of the relay can also be the lead terminal of the auxiliary contact of the relay.

[0054] In another preferred embodiment, as shown in Figure 1 and Figure 2 , the first coil 1 and the second coil 2 are respectively provided with a coil mounting frame, one end of the two coil mounting frames respectively has a support portion protruding and extending along the axial direction of the first coil 1 and the second coil 2, the lead terminals of the first coil 1 and the second coil 2 are respectively arranged through the corresponding support portion and exposed to the support portion, at this time, the upward extension direction of the first lead terminal 12 and the second lead terminal 22 is also parallel to the axial direction of the coil, i.e. vertically upward.

[0055] In this specific embodiment, as shown in Figure 1 , the coil mounting frames of the first coil 1 and the second coil 2 are the first coil mounting frame 11 and the second coil mounting frame 21 in sequence, and the support portions of the first coil mounting frame 11 and the second coil mounting frame 21 are the first support portion 111 and the second support portion 211 respectively.

[0056] The lead terminals of the first coil 1 and the second coil 2 are respectively arranged vertically through the first support portion 111 and the second support portion 211 to ensure that the lead terminals of the two coils can be stably supported by the two support portions, and to avoid the exposed parts of the lead terminals of the first coil 1 and the second coil 2 being too long, thereby avoiding being easily deformed by external force.

[0057] And when assembling, only the two ends of the electrical connection assembly 3 are assembled with the upper ends of the first support part 111 and the second support part 211 respectively, and the first support part 111 and the second support part 211 are respectively located at the upper flanges of the two coil mounting frames, so as to raise the mounting position of the electrical connection assembly 3, thereby facilitating automatic assembly, further ensuring assembly accuracy, and also ensuring that the lead terminals of the two coils do not need to directly bear the force, but are borne by the two support parts, thereby avoiding mechanical damage to the lead terminals of the coils of the relay due to excessive impact force.

[0058] Further preferably, as shown in Figure 2 The insulating piece 31 is provided with a mounting groove 314 matched with the first support part 111 and the second support part 211, and the two support parts are assembled in the corresponding mounting grooves 314. At this time, the mounting groove 314 corresponding to the first lead terminal 12 is communicated with the mounting hole 311, and the mounting groove 314 corresponding to the second lead terminal 22 is communicated with the relief through hole 313.

[0059] Further preferably, as shown in Figure 2 The side of the insulating piece 31 away from the first lead terminal 12 is provided with a dispensing groove 312 for surrounding the mounting hole 311.

[0060] After the two first lead terminals 12 of the first coil 1 and the plug-in parts 323 of the two conductive pieces 32 are welded together, the insulating glue is dripped into the dispensing groove 312 until it is full, and the circumferential groove wall of the dispensing groove 312 can block the overflow of the insulating glue, thereby effectively reducing the probability of removing residual glue.

[0061] After the insulating glue flows and solidifies, the insulating glue completely fills the gap between the first lead terminal 12 of the first coil 1, the plug hole inner wall of the plug-in part 323, and the end of the first support part 111 towards the insulating piece 31, thereby increasing the electrical insulation of the first coil 1 and the connection reliability between the first lead terminal 12 of the first coil 1 and the electrical connection assembly 3, such as avoiding false welding and other welding problems.

[0062] Embodiment Two

[0063] As shown in Figures 4 to 6 Embodiment Two provides a relay, which includes a relay main body 200 and the terminal lead-out structure 100 of Embodiment One, and the terminal lead-out structure 100 is arranged between two groups of insulating covers 201 of the relay main body 200, so as to make full use of the space in the relay main body 200, thereby effectively reducing the occupied volume of the entire relay.

[0064] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, it should be understood by those skilled in the art that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all of them are within the protection scope of the utility model.

Claims

1. A terminal lead-out structure for a relay, characterized in that: Including electrical connection components; The electrical connection assembly includes an insulating element and a conductive element disposed on the insulating element; one end of the conductive element is used to electrically connect to the lead terminal of the relay, and the other end protrudes from the outer surface of the insulating element and forms a first electrical connection terminal for electrically connecting to an external circuit.

2. The terminal lead-out structure of the relay according to claim 1, characterized in that: The conductive component has a pin portion, a plug portion, and a connecting portion connecting the pin portion and the plug portion. The connecting portion is disposed inside the insulating component, and the pin portion protrudes from the outer surface of the insulating component. The plug portion is used to electrically connect to the lead-out terminal of the relay, and the pin portion is the first electrical connection terminal.

3. The terminal lead-out structure of the relay according to claim 2, characterized in that: The plug-in portion has a plug hole, and the insulating member has a mounting hole for communicating with the plug hole. The lead-out terminal of the relay is inserted into the mounting hole and electrically connected to the corresponding plug-in portion.

4. The terminal lead-out structure of the relay according to claim 3, characterized in that: The relay's leads are electrically connected to their corresponding plug-in parts by soldering.

5. The terminal lead-out structure of the relay according to claim 3, characterized in that: The insulating component has a dispensing groove on the side away from the relay lead-out terminal for surrounding the mounting hole.

6. The terminal lead-out structure of the relay according to any one of claims 1-5, characterized in that: The relay includes a first coil; the leads of the first coil are the leads of the relay.

7. The terminal lead-out structure of the relay according to claim 6, characterized in that: The relay also includes a second coil; the first coil is disposed in the first relay unit of the relay, and the second coil is disposed in the second relay unit of the relay.

8. The terminal lead-out structure of the relay according to claim 7, characterized in that: The first relay unit and the second relay unit are arranged side by side in a straight line, and the electrical connection assembly is disposed between the first relay unit and the second relay unit; the arrangement direction of the first relay unit and the second relay unit is the lateral direction of the relay.

9. The terminal lead-out structure of the relay according to claim 7, characterized in that: The insulating component has a clearance through hole that mates with the lead-out terminal of the second coil. The lead-out terminal of the second coil passes through the clearance through hole and forms a second electrical connection terminal for electrically connecting to an external circuit.

10. The terminal lead-out structure of the relay according to claim 9, characterized in that: The extension direction of the insulating element intersects the lateral direction of the relay.

11. The terminal lead-out structure of the relay according to claim 10, characterized in that: The lead-out terminals of the first coil and the second coil are respectively located at both ends of the insulating member in its extension direction; the clearance through hole and the first electrical connection terminal are both disposed on the side of the insulating member away from the lead-out terminal of the first coil, and the first electrical connection terminal and the second electrical connection terminal are located at the same end to form a coil interface for the relay to electrically connect to an external circuit.

12. The terminal lead-out structure of the relay according to claim 11, characterized in that: The insulating element extends in a direction perpendicular to the lateral direction of the relay.

13. The terminal lead-out structure of the relay according to claim 7, characterized in that: The first coil and the second coil are respectively equipped with coil mounting brackets, and one end of each coil mounting bracket has a support portion that protrudes and extends along the axial direction of the first coil and the second coil; the lead terminals of the first coil and the second coil respectively pass through the corresponding support portions and are exposed outside the support portions.

14. The terminal lead-out structure of the relay according to claim 13, characterized in that: The insulating component is provided with mounting grooves for two supporting parts, and the two supporting parts are respectively assembled into the corresponding mounting grooves.

15. The terminal lead-out structure of the relay according to any one of claims 1-5, characterized in that: The conductive component is integrally injection molded onto the insulating component.

16. The terminal lead-out structure of the relay according to claim 6, characterized in that: The number of conductive elements is two, and the two conductive elements are arranged at a distance from the insulating element, with each of the two conductive elements corresponding to one of the two lead terminals of the first coil.

17. A relay, characterized in that: It includes at least the terminal lead-out structure of the relay as described in any one of claims 1-16.

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