CN211480376U

CN211480376U - Outer wire connecting structure of relay socket and direct-insertion type relay socket

Info

Publication number: CN211480376U
Application number: CN202020399388.8U
Authority: CN
Inventors: 薛春芳; 曹宏江; 李志坚; 苏源辉
Original assignee: Xiamen Hongyuanda Electric Appliance Co ltd
Current assignee: Xiamen Hongyuanda Electric Appliance Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-09-11
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an outer wire connection structure of relay socket and formula relay socket cut straightly, outer wire connection structure includes base, draws forth end, spring leaf, draws forth end and spring leaf and adorns in the appearance chamber that the base set up, draws forth the end and includes inscription part and external part, and the spring leaf cooperates with external part to compress tightly two outer wires that insert in external part; the external part is integrally formed with a raised line which corresponds to the gap of the spring piece and separates two inserted external leads. The utility model discloses a set up the sand grip can guarantee that two outer conductor have independent installation space respectively, probably slides the middle breach department of spring leaf when avoiding the outer conductor to insert, leads to can not being effectively the crimping by the spring leaf, has also avoided because the connection that outer conductor mutual interference arouses is unsafe. The utility model discloses compare with the relay socket that sets up the baffle, obviously, the utility model discloses a structure, installation procedure are more simple, and the cost is lower.

Description

Outer wire connecting structure of relay socket and direct-insertion type relay socket

Technical Field

The utility model relates to a relay socket especially relates to a relay socket's outer wire connection structure and formula relay socket cut straightly.

Background

The relay socket is an external accessory of the relay, and is provided with an input clamp spring and a lead-out part for connecting an external lead (external lead for short), the input clamp spring and the lead-out part are connected through an internal lead, and when the relay is installed, the connection between the relay and the external lead can be realized only by inserting a lead-out pin of the relay into the input clamp spring. The lead-out part of the relay socket in the prior art generally comprises a lead-out terminal, a spring piece and a partition plate, wherein the partition plate is vertically embedded into the spring piece and the lead-out terminal and separates two inserted external leads. The arrangement of the partition plate enables the two inserted external leads to be provided with an independent installation space respectively, but the arrangement of the partition plate enables the structure and the installation procedure of the relay socket to be more complex and the cost to be higher. In order to save cost, a partition plate is not used in a relay socket, but when two outer leads close to each other are inserted, the two outer leads may slide to a middle gap of the spring piece, so that the two outer leads cannot be effectively pressed by the spring piece, and when each outer lead is inserted, each outer lead is easy to slide to the other outer lead, so that the electrical connection of the other outer lead is interfered.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that prior art exists, provide a simple structure, with low costs relay socket's outer wire connection structure and cut straightly formula relay socket.

The utility model provides a technical scheme that its technical problem adopted is: an external lead connecting structure of a relay socket comprises a base, a leading-out end and a spring piece, wherein the leading-out end and the spring piece are arranged in a containing cavity arranged on the base; the external part is integrally formed with a raised line which corresponds to the gap of the spring piece and separates two inserted external leads.

Furthermore, the external connection part is a side plate, the bottom end of the side plate is integrally connected with the internal connection part, and the inner side face of the side plate is provided with the convex strips.

Further, the convex strip is formed by the side plate through stamping, or the convex strip is formed by the side plate through local tearing and bending.

Furthermore, the curb plate medial surface is equipped with two sloping blocks of downward sloping, and these two sloping blocks are located the both sides that the sand grip is relative, and these two sloping block bottoms press to two male outer wires one by one respectively.

Furthermore, the top end of the side plate is provided with a limiting part, and the limiting part is clamped into a first limiting groove correspondingly arranged on the side wall of the accommodating cavity.

Furthermore, the limiting part comprises a plurality of discrete limiting blocks, and each limiting block is bent towards the outer side of the side plate.

Furthermore, the inner connecting part is a bottom plate, the bottom plate is provided with a clamping opening, one end of the bottom plate is integrally connected with the bottom end of the side plate, a convex part is arranged on the top surface and/or the bottom surface of the other end of the bottom plate, and the other end of the bottom plate and the convex part are arranged in a second limiting groove correspondingly arranged at the bottom of the side wall of the accommodating cavity and are in interference fit with each other.

Furthermore, the top of the base is provided with a jack group which corresponds to the leading-out end and is used for inserting the two external wires, the jack group comprises two wire jacks, and the two wire jacks are separated from each other and lead to the cavity.

Furthermore, the spring leaf is in an inverted V shape, one side of the spring leaf is abutted against the side wall of the accommodating cavity, and the other side of the spring leaf is matched with the external part and provided with the notch.

The utility model provides a cut straightly formula relay socket in addition, including input clamp spring, interior wire, still include above-mentioned relay socket's outer conductor connection structure, input clamp spring adorn in the base to through the interior wire with draw forth the inscription part electricity of end and connect.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. because external part integrated into one piece has the sand grip, and the breach that this sand grip and spring leaf were seted up corresponds to separate two male external conductors, make the utility model discloses avoid setting up the baffle, can guarantee that two external conductors have independent installation space respectively, probably slide the middle breach department of spring leaf when avoiding the external conductor to insert, lead to can not being effectively the crimping by the spring leaf, also avoided because the connection that the external conductor mutual interference arouses is unsafe. The utility model discloses compare with the relay socket that sets up the baffle, obviously, the utility model discloses a structure, installation procedure are more simple, and the cost is lower.

2. The convex strip can be formed by tearing and bending preferably, so that the convex height of the convex strip is easy to regulate and control, the sufficient convex height of the convex strip is ensured, and the isolation is good.

3. The curb plate top is equipped with spacing portion, and this spacing portion card is gone into in the first spacing groove that holds the chamber lateral wall correspondence setting, can transversely provide spacingly to drawing forth the end, avoid drawing forth the end and transversely rock to improve the shock resistance who draws forth the end, improve the utility model discloses job stability. Particularly, the limiting part comprises a plurality of discrete limiting blocks, and each limiting block is bent towards the outer side of the side plate, so that the forming process of the limiting blocks is simpler, the external lead can be avoided, and the interference caused by the insertion of the limiting blocks into the external lead is avoided.

4. The setting of convex part can be spacing to drawing forth the vertical providing of end, avoids drawing forth the end and appears vertical rocking to improve the shock resistance who draws forth the end, improve the utility model discloses job stabilization nature.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the utility model discloses an outer wire connection structure and formula relay socket cut straightly of relay socket is not limited to the embodiment.

Drawings

Fig. 1 is an exploded view of the external lead connection structure of the present invention;

fig. 2 is a schematic perspective view of the terminal of the present invention;

fig. 3 is a cross-sectional view of the terminal of the present invention;

FIG. 4 is a schematic perspective view of the spring plate of the present invention;

fig. 5 is a partially enlarged schematic view (including a housing in a cross-sectional view) of the external lead connection structure of the present invention;

fig. 6 is a schematic structural view of the external lead connection structure of the present invention when an external lead starts to be inserted;

fig. 7 is a schematic structural view of the external lead connection structure of the present invention when the external lead is inserted in place;

fig. 8 is an exploded schematic view of an in-line relay socket of the present invention;

fig. 9 is a front view (without housing) of an in-line relay socket of the present invention;

fig. 10 is a perspective view of another terminal according to the present invention.

Detailed Description

In an embodiment, please refer to fig. 1-7, the external lead connecting structure of a relay socket of the present invention includes a base 1, a leading-out terminal 2, and a spring leaf 3, wherein the leading-out terminal 2 and the spring leaf 3 are installed in a cavity 11 formed in the base 1, the leading-out terminal 2 includes an internal connection part and an external connection part, and the spring leaf 3 is matched with the external connection part to compress two inserted external leads to the external connection part. The inner side surface of the external connection part is integrally formed with a convex strip 211, and the convex strip 211 corresponds to the gap 31 formed in the middle of the spring piece 3 and separates two inserted external leads. The inner side of the outer part is a side of the outer part facing the spring plate 3, and correspondingly, a side of the outer part facing away from the spring plate 3 is an outer side of the outer part.

In this embodiment, as shown in fig. 2 and 3, the external connection portion is a side plate 21, a bottom end of the side plate 21 is integrally connected with the internal connection portion, and the convex strip 211 is disposed on an inner side surface of the side plate 21. The side plate 21 is formed by locally tearing and bending the convex strip 211, so that the convex height h of the convex strip 211 is easy to regulate, the sufficient convex height of the convex strip 211 is ensured, and the isolation performance is good. In other embodiments, the side plate 21 is formed by stamping the protruding strip 211, as shown in fig. 10.

In this embodiment, as shown in fig. 4 and 5, the spring plate 3 is substantially inverted V-shaped, and one side of the spring plate abuts against the side wall of the cavity 11, and the other side of the spring plate is matched with the external part, and the middle of the spring plate is provided with the notch 31. The gap 31 formed in the middle of the spring plate 3 is in a strip shape, so that the other side of the spring plate 3 is divided into two elastic arms. The width C of the protruding strip 211 is slightly smaller than the width D of the notch 31 of the spring plate 3, so that the protruding strip 211 can be inserted into the end of the notch 31 of the spring plate 3. A support shaft 13 is arranged in the accommodating cavity 11, and the bending part of the spring piece 3 is arc-shaped and bypasses the support shaft 13.

In this embodiment, two inclined blocks 212 inclined downward are disposed on the inner side surface of the side plate 21, the two inclined blocks 212 are located on two opposite sides of the protruding strip 211, and the bottom ends of the two inclined blocks 212 respectively press the two inserted external wires one by one, so that the anti-pulling-out capability of the two external wires is improved.

In this embodiment, the top end of the side plate 21 is provided with a limiting portion, and the limiting portion is clamped into a first limiting groove 111 formed in the top of the side wall of the cavity 11. Specifically, the limiting portion includes two separate limiting blocks 213, and each limiting block 213 is bent toward the outer side of the side plate 21.

In this embodiment, the inner portion is a bottom plate 22, the bottom plate 22 is provided with a clamping opening 221, one end of the bottom plate 22 is integrally connected with the bottom end of the side plate 21, the top surface of the other end of the bottom plate 22 is provided with a protrusion 222, and the protrusion 222 is specifically a convex-bud structure, but is not limited thereto. The other end of the bottom plate 22 and the convex portion 222 are disposed in the second limiting groove 112 correspondingly disposed at the bottom of the other side wall of the cavity 11 and are in interference fit. Above-mentioned stopper 213, convex part 222 cooperate jointly, will draw forth end 2 and firmly fix a position in base 1's appearance chamber 11 to improve the utility model discloses a draw forth the shock resistance of end, improve the utility model discloses the stability of work.

In this embodiment, the top of the base 1 is provided with a jack group corresponding to the leading-out terminal 2 and allowing the two external wires to be inserted, the jack group includes two wire jacks 12, and the two wire jacks 12 are separated from each other and lead to the cavity 11. The base 1 is covered with a shell 4, and the shell 4 is provided with an outer plug hole 41 corresponding to the lead jack.

The utility model discloses an outer wire connection structure of relay socket, when pegging graft outer wire 5 (this outer wire 5 is the stereoplasm wire or takes the sheathed tube wire of stereoplasm), insert outer wire 5 tip from outer plug-in hole 41 of shell 4, base 1's wire jack 12 in proper order to it holds the chamber 11 to enter base 1, as shown in figure 6. With the continuous downward movement of the end of the external lead 5, the end of the external lead 5 touches the other side of the spring leaf 3 and pushes the other side of the spring leaf 3 to swing downwards to form abdication, after the end of the external lead 5 is inserted in place, the other side of the spring leaf 3 elastically resets and applies a leftward elastic force F to the external lead 5, so that the external lead 5 is tightly attached to the side plate 21 of the leading-out terminal 2, as shown in fig. 7, thereby realizing the electrical connection between the external lead and the leading-out terminal 2. The two inserted external leads 5 are separated by the raised strips 211 on the inner side surface of the side plate 21, so that the two external leads 5 are ensured to have independent installation spaces respectively, the situation that the external leads 5 possibly slide to the middle notches 31 of the spring pieces 3 when being inserted to cause that the external leads cannot be effectively pressed by the spring pieces 3 is avoided, and unsafe connection caused by mutual interference of the external leads 5 is also avoided. The utility model discloses compare with the relay socket that prior art set up the baffle, obviously, the utility model discloses a structure, installation procedure are more simple, and the cost is lower.

Referring to fig. 8 and 9, the direct plug-in relay socket of the present invention includes an input clamp spring 6, an inner lead 7, and an outer lead connection structure of the relay socket of the present invention, wherein the input clamp spring 6 is installed in the base 1 and electrically connected to the inner connection portion (i.e., the bottom plate 22) of the terminal 2 through the inner lead 7.

In this embodiment, the two ends of the inner wire 7 are respectively clamped into the clamping

openings

221 and 61 formed in the bottom plate 22 and the input clamping spring 6, and are further fixed by a laser fusion welding process, so that welding pollution can be avoided, and the original appearance and properties of the input clamping spring 6 and the lead-out terminal 2 are well protected.

In this embodiment, the present invention further includes a housing 4 (the housing 4 is the same as the housing 4 shown in fig. 5 to 7), the housing 4 covers the base 1, and the housing 4 is provided with an outer plug hole 41 corresponding to the wire insertion hole 12.

In this embodiment, the number of the input clamp spring 6, the number of the inner lead 7, the number of the lead-out terminal 2, and the number of the spring pieces 3 are respectively multiple and are in one-to-one correspondence.

The utility model discloses an outer wire connection structure and formula relay socket cut straightly of relay socket does not relate to the part and all is the same with prior art or can adopt prior art to realize.

The above-mentioned embodiment only is used for further explaining the utility model discloses an outer wire connection structure and formula relay socket cut straightly of relay socket, nevertheless the utility model discloses do not confine the embodiment to, all be according to the utility model discloses a technical entity all falls into the protection scope of the technical scheme of the utility model to any simple modification, the equivalent change and the decoration that the above embodiment was done.

Claims

1. The outer lead connecting structure of the relay socket comprises a base, a leading-out end and a spring piece, wherein the leading-out end and the spring piece are arranged in a containing cavity arranged on the base; the method is characterized in that: the external part is integrally formed with a raised line which corresponds to the gap of the spring piece and separates two inserted external leads.

2. The outer wire connecting structure of the relay socket according to claim 1, wherein: the external connection part is a side plate, the bottom end of the side plate is integrally connected with the internal connection part, and the inner side face of the side plate is provided with the convex strip.

3. The outer wire connecting structure of the relay socket according to claim 2, wherein: the side plates form the convex strips through stamping, or the side plates form the convex strips through local tearing and bending.

4. The outer wire connecting structure of the relay socket according to claim 2, wherein: the lateral plate medial surface is equipped with two sloping blocks of downward sloping, and these two sloping blocks are located the both sides that the sand grip is relative, and these two sloping block bottoms press to two male outer wires one by one respectively.

5. The outer wire connecting structure of the relay socket according to claim 2, wherein: the top end of the side plate is provided with a limiting part, and the limiting part is clamped into a first limiting groove correspondingly arranged on the side wall of the accommodating cavity.

6. The outer wire connecting structure of the relay socket according to claim 5, wherein: the limiting part comprises a plurality of discrete limiting blocks, and each limiting block is bent towards the outer side of the side plate.

7. The outer wire connecting structure of the relay socket according to any one of claims 2 to 6, wherein: the inner connecting part is a bottom plate, the bottom plate is provided with a clamping opening, one end of the bottom plate is integrally connected with the bottom end of the side plate, a convex part is arranged on the top surface and/or the bottom surface of the other end of the bottom plate, and the other end of the bottom plate and the convex part are placed into a second limiting groove correspondingly arranged at the bottom of the side wall of the accommodating cavity and are in interference fit.

8. The outer wire connecting structure of the relay socket according to claim 1, wherein: the top of the base is provided with a jack group which corresponds to the leading-out end and is used for inserting the two outer wires, the jack group comprises two wire jacks, and the two wire jacks are separated from each other and are communicated with the accommodating cavity.

9. The outer wire connecting structure of the relay socket according to claim 1, wherein: the spring piece is in an inverted V shape, one side of the spring piece abuts against the side wall of the accommodating cavity, and the other side of the spring piece is matched with the external part and provided with the notch.

10. Formula relay socket cut straightly, including input clamp spring, interior wire, its characterized in that: further comprising an external lead wire connection structure of the relay socket according to any one of claims 1 to 9, wherein the input clamp spring is mounted in the base and electrically connected to the internal connection portion of the outlet terminal through the internal lead wire.