CN-224232978-U - Relay socket's clamp spring stop device and relay socket

Abstract

A clamping spring limiting device of a relay socket and the relay socket comprise a shell and a clamping spring, wherein the shell is provided with a mounting groove, one side of the mounting groove in the height direction is provided with an inserting opening, the other side of the mounting groove in the height direction is provided with a through groove, the clamping spring is located in the mounting groove and is provided with two clamping plates, one ends of the two clamping plates are relatively close to or in contact with each other to serve as inserting ends, the inserting ends are located at the inserting opening, one end, far away from the inserting ends, of one clamping plate is provided with a leading-out pin, the leading-out pin penetrates through the through groove, the clamping spring is further provided with a connecting plate connected between the two clamping plates, the connecting plate is provided with a first fixing portion, and the side wall, opposite to the connecting plate, of the mounting groove is provided with a second fixing portion, and the connecting plate and the mounting groove are fixedly connected through the first fixing portion and the second fixing portion. The utility model can ensure no offset during the assembly and welding of the clamp spring, and simultaneously avoid poor welding or poor contact caused by uneven stress of welding spots during the plug-in relay.

Inventors

• SU YUANHUI

Assignees

• 厦门宏远达电器有限公司

Dates

Publication Date

20260512

Application Date

20250417

Claims (8)

1. 1. The clamping spring limiting device of the relay socket comprises a shell and a clamping spring, wherein the shell is provided with a mounting groove, one side in the height direction of the mounting groove is provided with an inserting opening, the other side in the height direction of the mounting groove is provided with a through groove, the clamping spring is positioned in the mounting groove and is provided with two clamping plates, one ends of the two clamping plates are relatively close to or contact with each other to serve as an inserting end, the inserting end is positioned at the inserting opening, one end, far away from the inserting end, of one clamping plate is provided with a leading-out pin, the leading-out pin penetrates through the through groove, and the relay socket is characterized in that the clamping spring is further provided with a connecting plate connected between the two clamping plates, the connecting plate is provided with a first fixing portion, and the side wall, opposite to the connecting plate, of the mounting groove is provided with a second fixing portion, and the connecting plate and the mounting groove are fixedly connected through the first fixing portion and the second fixing portion.
2. 2. The spring clip limiting apparatus of claim 1, wherein the first fixing portion is a protrusion, the second fixing portion is a mounting hole, or the first fixing portion is a mounting hole, and the second fixing portion is a protrusion.
3. 3. The spring retainer for a relay socket according to claim 1, wherein the two clamping plates are arranged along the length direction of the mounting groove and are opposite to the side wall of the mounting groove in the length direction, the connecting plate is positioned at one side of the mounting groove in the width direction, and one end of the clamping plate, which is not provided with the lead-out pin and is far away from the insertion end, and/or the connecting plate abuts against the side wall of the mounting groove opposite to the insertion port.
4. 4. The spring clamping limiting device of the relay socket, as set forth in claim 1, wherein the through groove penetrates through the mounting groove and is located on the side of the leading-out pin in the length direction of the mounting groove, the through groove extends along the width direction of the mounting groove, protrusions are respectively arranged on two opposite side walls of the through groove, and the leading-out pin of the clamping plate penetrates between the two protrusions.
5. 5. The spring retainer for a relay socket according to claim 4, wherein the through groove has an opening at one side in a width direction of the mounting groove for insertion of the clamping plate, the projection extends in the width direction of the mounting groove, and a thickness of the projection near the opening side of the through groove is smaller than a thickness of the projection far from the opening side.
6. 6. A relay socket comprises a first lead-out pin clamping spring set and a second lead-out pin clamping spring set, and is characterized by further comprising a clamping spring limiting device of the relay socket, wherein a plurality of clamping springs are respectively arranged on the first lead-out pin clamping spring set and the second lead-out pin clamping spring set, and a first mounting groove set and a second mounting groove set are arranged in a shell to respectively mount the plurality of clamping springs of the first lead-out pin clamping spring set and the plurality of clamping springs of the second lead-out pin clamping spring set.
7. 7. The relay socket according to claim 6, further comprising a first circuit board group, a second circuit board group, an input group and an output group, wherein the first lead-out pin clamping spring group and the input group are respectively electrically connected with the first circuit board group, the second lead-out pin clamping spring group and the output group are respectively electrically connected with the second circuit board group, and the shell is further provided with a third mounting groove group and a fourth mounting groove group for respectively mounting the input group and the output group.
8. 8. A relay socket according to claim 7, wherein the housing comprises a plate body and a shell, the first circuit board group and the second circuit board group are fixed on the plate body, the shell is detachably and fixedly covered on the periphery of the plate body and is provided with the first mounting groove group, the second mounting groove group, the third mounting groove group and the fourth mounting groove group, the third mounting groove group and the first mounting groove group are located on the periphery of the first circuit board group, and the second mounting groove group and the fourth mounting groove group are located on the periphery of the second circuit board group.

Description

Relay socket's clamp spring stop device and relay socket Technical Field The utility model relates to the field of relay sockets, in particular to a clamping spring limiting device of a relay socket and the relay socket. Background The relay is an automatic switch which uses small current to control large current to operate, and plays roles of automatic regulation, safety protection, switching circuit and the like in the circuit. Relays are commonly used with relay sockets. The relay socket is generally composed of a housing 1, a circuit board 2, a plurality of clips 3 for inserting the lead pins of the relay, and the like. Referring to fig. 1 and 2, in the conventional relay socket, a housing 1 is provided with a mounting groove 4, a clip 3 is disposed in the mounting groove 4 and is in clearance fit with the mounting groove, and a lead pin 5 of the clip 3 is welded and fixed with a circuit board 2. In addition, during the plug-in operation of the relay, the mechanical stress acting on the clamp spring 3 is directly conducted to the welding point, so that uneven stress of the welding point is easily caused, and the problem of poor contact reliability caused by falling of the welding point, peeling of copper foil of the circuit board and the like is easily caused after long-term use. Disclosure of utility model The utility model mainly aims to overcome the problems of welding displacement easily caused by clearance fit of a clamping spring and a mounting groove and poor contact caused by uneven stress distribution of welding points during relay insertion and extraction in the prior art, and provides a clamping spring limiting device of a relay socket and the relay socket, which ensure no offset during clamping spring assembly and welding and simultaneously avoid poor welding or poor contact caused by uneven stress of welding points during relay insertion and extraction. The utility model adopts the following technical scheme: A clamp spring limiting device of a relay socket comprises a shell and a clamp spring, wherein the shell is provided with a mounting groove, one side in the height direction of the mounting groove is provided with an inserting opening, the other side in the height direction of the mounting groove is provided with a through groove, the clamp spring is located in the mounting groove and is provided with two clamping plates, one ends of the two clamping plates are relatively close to or contact with each other to serve as an inserting end, the inserting end is located at the inserting opening, one end, far away from the inserting end, of one clamping plate is provided with a leading-out pin, the leading-out pin penetrates through the through groove, the clamp spring is further provided with a connecting plate connected between the two clamping plates, the connecting plate is provided with a first fixing portion, and the side wall, opposite to the connecting plate, of the mounting groove is provided with a second fixing portion, and the connecting plate and the mounting groove are fixedly connected through the first fixing portion and the second fixing portion. The first fixing part is a convex part, the second fixing part is a mounting hole, or the first fixing part is a mounting hole, and the second fixing part is a convex part. The two clamping plates are distributed along the length direction of the mounting groove, the clamping plates are opposite to the side wall of the mounting groove in the length direction, the connecting plate is located at one side of the mounting groove in the width direction, and one end, away from the insertion end, of the clamping plate without the lead-out pins and/or the connecting plate abuts against the side wall of the mounting groove opposite to the insertion port. The through groove penetrates through the mounting groove and is positioned on the side where the leading-out feet are positioned in the length direction of the mounting groove, the through groove extends along the width direction of the mounting groove, the two opposite side walls of the through groove are respectively provided with a bulge, and the leading-out feet of the clamping plate penetrate between the two bulges. The through groove is provided with an opening at one side of the width direction of the mounting groove for inserting the clamping plate, the bulge extends along the width direction of the mounting groove, and the thickness of the bulge close to the opening side of the through groove is smaller than the thickness of the bulge far away from the opening side. The relay socket comprises a first lead-out pin clamping spring set and a second lead-out pin clamping spring set, and further comprises a clamping spring limiting device of the relay socket, wherein a plurality of clamping springs are respectively arranged on the first lead-out pin clamping spring set and the second lead-out pin clamping spring set, and a first mounting groove set and a second mounting groove set are a