CN111293498A - Outer wire connection structure of relay socket and formula relay socket cut straightly - Google Patents

Outer wire connection structure of relay socket and formula relay socket cut straightly Download PDF

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Publication number
CN111293498A
CN111293498A CN202010218344.5A CN202010218344A CN111293498A CN 111293498 A CN111293498 A CN 111293498A CN 202010218344 A CN202010218344 A CN 202010218344A CN 111293498 A CN111293498 A CN 111293498A
Authority
CN
China
Prior art keywords
relay socket
external
spring piece
connecting structure
socket according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010218344.5A
Other languages
Chinese (zh)
Inventor
薛春芳
曹宏江
李志坚
苏源辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Hongyuanda Electric Appliance Co ltd
Original Assignee
Xiamen Hongyuanda Electric Appliance Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Hongyuanda Electric Appliance Co ltd filed Critical Xiamen Hongyuanda Electric Appliance Co ltd
Priority to CN202010218344.5A priority Critical patent/CN111293498A/en
Publication of CN111293498A publication Critical patent/CN111293498A/en
Priority to PCT/CN2021/082110 priority patent/WO2021190454A1/en
Priority to EP21774683.3A priority patent/EP4131666A4/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/047—Details concerning mounting a relays
    • H01H50/048—Plug-in mounting or sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connecting Device With Holders (AREA)

Abstract

The invention discloses an external lead connecting structure of a relay socket and a direct-insert type relay socket, wherein the external lead connecting structure comprises a base, a leading-out end and a spring piece, the leading-out end and the spring piece are arranged in a containing cavity arranged on the base, the leading-out end comprises an internal connection part and an external connection part, and the spring piece is matched with the external connection part so as to tightly press two inserted external leads to the external connection 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 two outer leads can be ensured to have independent installation spaces respectively by arranging the convex strips, the situation that the outer leads can slide to the middle gap of the spring piece when being inserted so as to be prevented from being effectively pressed by the spring piece is avoided, and unsafe connection caused by mutual interference of the outer leads is also avoided. Compared with a relay socket with a partition plate, the relay socket is obviously simpler in structure and installation process and lower in cost.

Description

Outer wire connection structure of relay socket and formula relay socket cut straightly
Technical Field
The invention relates to a relay socket, in particular to an external wire connecting structure of the relay socket and a direct-insert type relay socket.
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.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the external lead connecting structure of the relay socket and the direct-insertion type relay socket, which are simple in structure and low in cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: 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 invention also provides a direct insertion type relay socket which comprises an input clamping spring and an inner lead, and further comprises an outer lead connecting structure of the relay socket, wherein the input clamping spring is arranged in the base and is electrically connected with the inner connecting part of the leading-out terminal through the inner lead.
Compared with the prior art, the invention has the following beneficial effects:
1. the convex strip is integrally formed on the external part, corresponds to the notch formed on the spring piece and separates the two inserted external leads, so that the invention avoids arranging a partition plate, can ensure that the two external leads are respectively provided with independent installation spaces, avoids the situation that the external leads can slide to the middle notch of the spring piece when being inserted, can not be effectively pressed by the spring piece and also avoids unsafe connection caused by mutual interference of the external leads. Compared with a relay socket with a partition plate, the relay socket is obviously simpler in structure and installation process and lower in cost.
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 top end of the side plate is provided with a limiting part which is clamped into a first limiting groove correspondingly arranged on the side wall of the accommodating cavity, so that the leading-out end can be limited transversely, and the leading-out end is prevented from transversely shaking, thereby improving the shock resistance of the leading-out end and improving the working stability of the invention. 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 convex part is arranged to vertically limit the leading-out end, so that the leading-out end is prevented from vertically shaking, the impact resistance of the leading-out end is improved, and the working stability of the invention is improved.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the external lead connection structure of the relay socket and the in-line relay socket according to the present invention are not limited to the embodiments.
Drawings
FIG. 1 is an exploded view of the external lead connection structure of the present invention;
fig. 2 is a 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 perspective view of the spring plate of the present invention;
fig. 5 is a partially enlarged schematic view of an external lead connecting structure of the present invention (including a housing in a cross-sectional state);
fig. 6 is a schematic view of the external lead connecting structure of the present invention at the time of starting the insertion of an external lead;
fig. 7 is a schematic view of the external lead connecting 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 a 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 to 7, the external lead connecting structure of a relay socket according to the present invention includes a base 1, a leading-out terminal 2, and a spring plate 3, wherein the leading-out terminal 2 and the spring plate 3 are installed in a cavity 11 formed in the base 1, the leading-out terminal 2 includes an internal connection portion and an external connection portion, and the spring plate 3 is matched with the external connection portion to press two inserted external leads to the external connection portion. 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. The limiting block 213 and the protrusion 222 cooperate with each other to firmly position the terminal 2 in the cavity 11 of the base 1, so as to improve the shock resistance of the terminal and the working stability of the terminal.
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.
According to the external lead connecting structure of the relay socket, when an external lead 5 (the external lead 5 is a hard lead or a lead with a hard sleeve) is inserted, the end part of the external lead 5 is inserted into the accommodating cavity 11 of the base 1 from the external plug-in hole 41 of the shell 4 and the lead jack 12 of the base 1 in sequence, as shown in fig. 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. Compared with the relay socket with the partition plate in the prior art, the structure and the installation process of the relay socket are simpler, and the cost is lower.
Referring to fig. 8 and 9, the in-line relay socket according to the present invention includes an input clamp spring 6, an inner lead 7, and an outer lead connection structure of the relay socket according to the present invention, wherein the input clamp spring 6 is mounted in the base 1 and electrically connected to an 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 external insertion 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 external lead connecting structure of the relay socket and the direct-insertion type relay socket are the same as or can be realized by adopting the prior art.
The above embodiments are only used to further illustrate the external wire connection structure and the in-line relay socket of the present invention, but the present invention is not limited to the embodiments, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention fall within the scope of the technical solution of the present invention.

Claims (10)

1. 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 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 external lead connecting structure of a 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. The utility model provides an formula relay socket cut straightly, includes 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.
CN202010218344.5A 2020-03-25 2020-03-25 Outer wire connection structure of relay socket and formula relay socket cut straightly Pending CN111293498A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202010218344.5A CN111293498A (en) 2020-03-25 2020-03-25 Outer wire connection structure of relay socket and formula relay socket cut straightly
PCT/CN2021/082110 WO2021190454A1 (en) 2020-03-25 2021-03-22 Direct-plug-in type relay socket
EP21774683.3A EP4131666A4 (en) 2020-03-25 2021-03-22 Direct-plug-in type relay socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010218344.5A CN111293498A (en) 2020-03-25 2020-03-25 Outer wire connection structure of relay socket and formula relay socket cut straightly

Publications (1)

Publication Number Publication Date
CN111293498A true CN111293498A (en) 2020-06-16

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ID=71027168

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010218344.5A Pending CN111293498A (en) 2020-03-25 2020-03-25 Outer wire connection structure of relay socket and formula relay socket cut straightly

Country Status (1)

Country Link
CN (1) CN111293498A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021190454A1 (en) * 2020-03-25 2021-09-30 厦门宏远达电器有限公司 Direct-plug-in type relay socket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021190454A1 (en) * 2020-03-25 2021-09-30 厦门宏远达电器有限公司 Direct-plug-in type relay socket

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