Relay socket

Abstract

The utility model particularly relates to a relay socket, which comprises at least two bases, a plurality of inserting pieces arranged in the bases, a plurality of wiring assemblies arranged in the bases, and an upper cover covered on the bases, the inserting pieces are respectively and electrically connected with the corresponding wiring assemblies, and the at least two bases are sequentially stacked. The base is provided with a wiring installation groove, the insertion piece and the wiring assembly are both installed in the wiring installation groove, and the upper end face of the upper cover is provided with a second pin insertion hole corresponding to the insertion piece. According to the utility model, at least two bases which are stacked in sequence are arranged, and each base can be provided with one row or two rows of inserting pieces and wiring structures, so that at least two bases can realize three rows or more than three rows of inserting pieces and wiring structures, and the connection requirements of high-power relays with three rows or more than three rows of inserting pieces and wiring structures can be met.

Description

Technical Field

[0001] The utility model specifically relates to a relay socket. Background Art

[0002] A relay socket is an external accessory for a relay, serving as an electrical component that connects external wires to the relay. Power and load wires are pre-connected to the relay socket, and the relay is plugged into the socket, making assembly and disassembly of the relay very convenient. Existing relay sockets consist of a base, a cover, a blade assembly, and a wiring assembly electrically connected to the blade assembly. The applicant's prior patent CN201720644441.4 discloses a relay socket, comprising a base, a plurality of plug-ins, a plurality of wiring assemblies, and an upper cover, wherein each of the plug-ins is electrically connected to a corresponding wiring assembly, and the wiring assembly comprises a fixed plate, a conductive connecting piece that is clamped on the fixed plate and electrically connected to the plug-in piece, a spring piece that is arranged on the fixed plate and electrically connected to the conductive connecting piece, and a button, a movable part is provided on one end of the spring piece, a clamping part that is clamped with the movable part is provided on the conductive connecting piece, and the movable part can press the external wire against the clamping part, and the movable part cooperates with the button, the lower end of the button passes through the button hole on the base and abuts on the movable part of the spring piece, the upper end of the button passes through the through hole on the upper cover and is exposed outside the upper cover, and the movable parts of the corresponding spring pieces on the base and the upper cover are provided with wiring holes for the external wire to pass through. The above structure still has a problem: only two rows of wiring structures can be installed on the base, and it cannot be applied to high-power relays with three or more rows of plugs, such as 11-pin relays, 14-pin relays, etc. Utility Model Content

[0003] The purpose of the utility model is to provide a relay socket in order to overcome the shortcomings and deficiencies of the prior art.

[0004] The technical solution adopted by the present utility model is as follows: a relay socket, including a base, a plurality of plug-ins arranged in the base, a plurality of wiring assemblies arranged in the base, and an upper cover covering the base, wherein each plug-in is electrically connected to a corresponding wiring assembly, the base is provided with at least two and at least two bases are stacked in sequence, the base is provided with a wiring installation groove, the plug-in and the wiring assembly are both installed in the wiring installation groove, and the upper end surface of the upper cover is provided with a second pin jack corresponding to the plug-in.

[0005] A wiring installation groove is provided on one side or both sides of the base, and the installation opening of the wiring installation groove is located on the side of the base. The plug-in piece and the wiring assembly are both installed in the wiring installation groove through the installation opening. A first pin jack is provided at the upper end of the base corresponding to the plug-in piece.

[0006] A limiting block is fixed in the wiring installation groove, and the wiring assembly includes a conductive sheet and a spring sheet. The conductive sheet is electrically connected to the plug and has a wiring portion. The spring sheet is limited between the inner wall of the base and the limiting block. The spring sheet elastically abuts against the wiring portion and can leave the wiring portion to form a wire connection cavity. The upper end of the base is provided with a first wiring hole corresponding to the wire connection cavity, and the upper end surface of the upper cover is provided with a second wiring hole corresponding to the wire connection cavity.

[0007] The limiting block and the base are integrally formed.

[0008] The spring piece has a bending portion and a fixed portion and a movable portion respectively located on both sides of the bending portion, the fixed portion is fixed relative to the base, and the movable portion elastically abuts against the wiring portion;

[0009] The upper end of the limit block is in contact with the bent portion, and a limit inclined wall is provided on the side close to the connection portion. The movable portion can swing between the limit inclined wall and the connection portion.

[0010] The upper end of the movable part is matched with a button part, the upper end of the base is provided with a first through hole for the button part to pass through, and the upper end of the upper cover is provided with a second through hole for the button part to pass through.

[0011] The conductive sheet is punched and bent to form an abutment block, and the fixing portion abuts against the abutment block.

[0012] The inserting piece and the conductive piece are integrally formed; a positioning angle is formed at the upper end of the wiring portion, and a positioning slot with a shape matching the positioning angle is provided in the wiring installation groove.

[0013] Both sides of the base are provided with wiring installation grooves.

[0014] An insulating partition disposed between adjacent bases is integrally provided in the upper cover.

[0015] Adjacent bases are provided with mutually pluggable positioning columns and positioning holes, and are fixed with a raised boss, through which a gap greater than the thickness of the insulating partition is formed between adjacent bases;

[0016] A snap-fitting structure is provided between the outer side surfaces of the base and the upper cover on both sides.

[0017] The beneficial effects of the present invention are as follows: by setting at least two bases stacked in sequence, one or two rows of plugs and wiring structures can be set on each base, so at least two bases can realize three or more rows of plugs and wiring structures, thereby adapting to the connection requirements of high-power relays with three or more rows of plugs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still fall within the scope of the present invention.

[0019] Figure 1 This is a structural diagram of an embodiment of the utility model;

[0020] Figure 2 This is an exploded view of an embodiment of the present invention;

[0021] Figure 3 This is a cross-sectional view of an embodiment of the present utility model;

[0022] Figure 4 for Figure 3 The enlarged schematic diagram of part I in the middle;

[0023] Figure 5 This is a schematic diagram of the structure of a group of inserts, conductive sheets and springs in one embodiment of the present utility model;

[0024] Figure 6 This is a structural diagram of an upper cover in an embodiment of the present utility model;

[0025] Figure 7 This is an exploded view of the matching structure of two bases in one embodiment of the utility model;

[0026] In the figure, base 1, wiring installation slot 101, first pin jack 102, first wiring hole 103, first through-hole 105, positioning slot 106, positioning column 107, pad boss 108, insert 2, upper cover 3, second pin jack 301, second wiring hole 302, second through-hole 303, insulating partition 304, snap groove 305, limit block 4, limit inclined retaining wall 401, conductive sheet 5, wiring portion 501, abutting block 502, positioning angle 503, spring piece 6, bending portion 601, fixing portion 602, movable portion 603, button 7. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail below with reference to the accompanying drawings.

[0028] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for the purpose of distinguishing two non-identical entities or non-identical parameters with the same name. It can be seen that "first" and "second" are only for the convenience of expression and should not be understood as limitations on the embodiments of the present invention. Subsequent embodiments will not explain this one by one.

[0029] The directional and positional terms used in this invention, such as up, down, front, back, left, right, inside, outside, top, bottom, and side, are merely references to the directions or positions in the accompanying drawings. Therefore, the directional and positional terms used are intended to illustrate and facilitate understanding of this invention and are not intended to limit the scope of protection of this invention.

[0030] A relay socket includes a base 1, multiple inserts 2 disposed within the base 1, multiple wiring assemblies disposed within the base 1, and an upper cover 3 covering the base. Each insert 2 is electrically connected to a corresponding wiring assembly. The base 1 is provided with at least two bases 1 stacked in sequence. The base 1 is provided with a wiring mounting slot 101, within which the inserts 2 and wiring assemblies are mounted. The upper end surface of the upper cover 3 is provided with a second pin socket 301 corresponding to the inserts 2. Each base can be provided with one or two rows of inserts 2 and wiring structures, and can accommodate three or more rows of inserts 2 and wiring structures, thereby meeting the connection requirements of high-power relays with three or more rows of plugs.

[0031] like Figure 1 、 Figure 2 The structure of one embodiment of the present invention is a relay socket adapted for 14-pin relays. Its surface is provided with four rows of second pin jacks 301 for inserting relay pins. Each row of second pin jacks 301 consists of three second pin jacks 301 spaced apart along direction A for inserting the relay's contact pins, and two additional second pin jacks 301 for inserting the relay's coil pins. Specifically, the socket comprises two bases 1, each with two rows of inserts 2, ultimately resulting in four rows of inserts 2. A relay socket adapted for 14-pin relays can also employ a structure with four bases 1, each with a row of inserts 2. An 11-pin relay typically includes three rows of contact pins and two coil pins. A relay socket adapted for 11-pin relays can employ a combination of three bases 1 each with a row of inserts 2, or a combination of one base 1 with a row of inserts 2 and one base 1 with two rows of inserts 2.

[0032] Furthermore, one or both sides of the base 1 are provided with a wiring installation slot 101, and the installation opening of the wiring installation slot 101 is located on the side of the base 1. The plug 2 and the wiring assembly are both installed in the wiring installation slot 101 through the installation opening. The upper end of the base 1 is provided with a first pin socket 102 corresponding to the plug 2. Installing the plug 2 and the wiring assembly from the side of the base 1 facilitates automated assembly. When assembling the various parts on the base 1 in automated production, if only one row of plugs 2 and wiring structure is required on a base 1, each part can be directly inserted into the installation opening one by one on one side of the base 1. If two rows of plugs 2 and wiring structure are required on a base 1, each part can be directly inserted into the installation opening one by one on both sides of the base 1. It is preferred to provide wiring installation slots 101 on both sides of the base 1, so that the overall structure is more compact and the thickness can be reduced to adapt to the demand for thinner relays.

[0033] like Figure 3 、 Figure 4 As shown, a limiting block 4 is fixed in the wiring installation groove 101, and the wiring assembly includes a conductive sheet 5 and a spring sheet 6. The conductive sheet 5 is electrically connected to the plug-in sheet 2 and has a wiring portion 501. The spring sheet 6 is limited between the inner wall of the base 1 and the limiting block 4. The spring sheet 6 elastically abuts against the wiring portion 501 and the spring sheet 6 can leave the wiring portion 501 and form a wire connection cavity between the wiring portion 501. The upper end of the base 1 is provided with a first wiring hole 103 corresponding to the wire connection cavity, and the upper end surface of the upper cover 3 is provided with a second wiring hole 302 corresponding to the wire connection cavity.

[0034] The limit block 4 is integrally formed with the base 1. Alternatively, as disclosed in the prior patent CN201720644441.4, the limit block 4 and the base 1 can be separated and then assembled and fixed, but this method requires more parts and adds one assembly process, which is more costly.

[0035] The matching structure of the spring 6 and the conductive sheet 5 is as follows: Figure 5 As shown, the spring piece 6 has a bending portion 601 and a fixed portion 602 and a movable portion 603 respectively located on both sides of the bending portion 601. The fixed portion 602 is fixed relative to the base 1, and the movable portion 603 elastically abuts against the wiring portion 501; the upper end of the limit block 4 abuts against the bending portion 601, and a limiting inclined surface retaining wall 401 is provided on the side close to the wiring portion 501, and the movable portion 603 can swing between the limiting inclined surface retaining wall 401 and the wiring portion 501; the upper end of the movable portion 603 is matched with the button member 7, the upper end of the base 1 is provided with a first through-hole 105 for the button member 7 to pass through, and the upper end of the upper cover 3 is provided with a second through-hole 303 for the button member 7 to pass through. Figure 4As shown, the base 1 and the upper cover 3 are respectively provided with a lower limit step and an upper limit step corresponding to the button member 7. The button member 7 can be slidably limited between the lower limit step and the upper limit step, so as to be maintained between the base 1 and the upper cover 3.

[0036] Furthermore, the conductive sheet 5 is stamped and bent to form an abutment block 502, and the fixed portion 602 abuts against the abutment block 502. The movable portion 603 abuts against the abutment block 502 through the fixed portion 602, thereby forming an electrical connection with the plug 2. When the wire is connected between the movable portion 603 and the wiring portion 501, the movable portion 603 elastically acts on the wire to form a tighter connection between the wire and the wiring portion 501, ensuring a reliable electrical connection. At the same time, the wire is also reliably connected to the plug 2 through the movable portion 603. In addition, the fixed portion 602 and the movable portion 603 at both ends of the spring sheet 6 form an elastic abutment with the abutment block 502 and the wiring portion 501 respectively, and the elastic forces at both ends of the spring sheet 6 on the conductive sheet 5 are opposite. The two cooperate with each other to directly form a relatively stable connection relationship. Then, through the limit of the base 1, the two can form a relatively stable installation limit in the base 1.

[0037] Furthermore, the plug 2 and the conductive sheet 5 are integrally formed, which can reduce the number of parts, improve production efficiency, and ensure the reliability of the electrical connection between the plug 2 and the conductive sheet 5; a positioning angle 503 is formed at the upper end of the wiring portion 501, and a positioning slot 106 with a shape that matches the positioning angle 503 is provided in the wiring installation groove 101 to facilitate installation and positioning in the base 1.

[0038] The upper cover 3 is integrally provided with an insulating partition 304 disposed between adjacent bases 1. The insulating partition 304 can separate the conductive structures installed in adjacent wiring installation slots 101 of adjacent bases 1, thereby improving safety.

[0039] Adjacent bases 1 are equipped with interlocking positioning posts 107 and positioning holes, and are fixedly provided with raised bosses 108. These raised bosses 108 create a gap between adjacent bases 1 that is greater than the thickness of the insulating barrier 304. A snap-fit structure is provided between the outer side surfaces of the bases 1 on either side and the upper cover 3. In this embodiment, the snap-fit structure comprises snap blocks 109 on the bases 1 and snap grooves 305 on the upper cover 3. After the conductive components are installed on the bases 1, the bases 1 are stacked and assembled together by interlocking the positioning posts 107 and the positioning holes. The upper cover 3 is then placed over the stacked bases 1, securing the bases 1 via the snap-fit structure.

[0040] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A relay socket, comprising a base (1), a plurality of inserts (2) disposed in the base (1), a plurality of wiring assemblies disposed in the base (1), and an upper cover (3) covering the base, wherein each insert (2) is electrically connected to a corresponding wiring assembly, and is characterized in that: The base (1) is provided with at least two bases (1) which are stacked in sequence. The base (1) is provided with a wiring installation groove (101). The plug-in piece (2) and the wiring assembly are both installed in the wiring installation groove (101). The upper end surface of the upper cover (3) is provided with a second pin jack (301) corresponding to the plug-in piece (2).

2. The relay socket according to claim 1, characterized in that: A wiring installation groove (101) is provided on one or both sides of the base (1), and the installation opening of the wiring installation groove (101) is located on the side of the base (1); the plug (2) and the wiring assembly are both installed in the wiring installation groove (101) through the installation opening; and a first pin jack (102) is provided at the upper end of the base (1) corresponding to the plug (2).

3. The relay socket according to claim 2, wherein: A limiting block (4) is fixed in the wiring installation groove (101), and the wiring assembly includes a conductive sheet (5) and a spring sheet (6). The conductive sheet (5) is electrically connected to the plug sheet (2) and has a wiring portion (501). The spring sheet (6) is limited between the inner wall of the base (1) and the limiting block (4). The spring sheet (6) elastically abuts against the wiring portion (501) and can leave the wiring portion (501). A wire connection cavity is formed between the wiring portion (501). The upper end of the base (1) is provided with a first wiring hole (103) corresponding to the wire connection cavity, and the upper end surface of the upper cover (3) is provided with a second wiring hole (302) corresponding to the wire connection cavity.

4. The relay socket according to claim 3, wherein: The limiting block (4) and the base (1) are integrally formed.

5. The relay socket according to claim 3, characterized in that: The spring piece (6) has a bending portion (601) and a fixed portion (602) and a movable portion (603) respectively located on both sides of the bending portion (601); the fixed portion (602) is fixed relative to the base (1); and the movable portion (603) elastically abuts against the wiring portion (501); The upper end of the limit block (4) is in contact with the bent portion (601), and a limit inclined surface retaining wall (401) is provided on a side close to the connection portion (501), and the movable portion (603) can be movably swung between the limit inclined surface retaining wall (401) and the connection portion (501); The upper end of the movable portion (603) is equipped with a button member (7), the upper end of the base (1) is provided with a first through-hole (105) for the button member (7) to pass through, and the upper end of the upper cover (3) is provided with a second through-hole (303) for the button member (7) to pass through.

6. The relay socket according to claim 5, characterized in that: The conductive sheet (5) is punched and bent to form an abutment block (502), and the fixing portion (602) abuts against the abutment block (502).

7. The relay socket according to any one of claims 3 to 6, characterized in that: The insert (2) and the conductive sheet (5) are integrally formed; a positioning angle (503) is formed at the upper end of the wiring portion (501); and a positioning slot (106) having a shape matching the positioning angle (503) is provided in the wiring installation groove (101).

8. The relay socket according to any one of claims 2 to 6, characterized in that: Both sides of the base (1) are provided with wiring installation grooves (101).

9. The relay socket according to claim 8, characterized in that: An insulating partition (304) disposed between adjacent bases (1) is integrally provided in the upper cover (3).

10. The relay socket according to claim 9, characterized in that: Adjacent bases (1) are provided with mutually pluggable positioning columns (107) and positioning holes, and are fixedly provided with a raised boss (108), through which a gap greater than the thickness of the insulating partition (304) is formed between the adjacent bases (1); A snap-fitting structure is provided between the outer side surfaces of the base (1) and the upper cover (3) on both sides.

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