Search

CN-224217434-U - Sealed relay

CN224217434UCN 224217434 UCN224217434 UCN 224217434UCN-224217434-U

Abstract

The utility model discloses a sealed relay which comprises a shell, a base, a first terminal and a second terminal, wherein one end of the shell is an open end, a second terminal groove penetrating through the inside and the outside is formed in the side wall of the shell, the second terminal groove penetrates through the end face of the open end, the base is provided with the first terminal and the second terminal, the shell is covered outside the base, the second terminal is embedded in the second terminal groove and is led out from the side wall of the shell, the first terminal penetrates through the base and is led out from the direction of the open end of the shell, a glue injection groove is formed between the open end of the shell and the outer side face of the base, and the first terminal is located at the glue injection groove and is communicated with the second terminal groove. In the structure, only one-time glue injection is needed, so that the glue sealing efficiency and sealing performance can be improved, and the production cost can be reduced.

Inventors

  • CHEN RENFU
  • DU XINYANG

Assignees

  • 宁波甬友电子有限公司

Dates

Publication Date
20260508
Application Date
20250520

Claims (10)

  1. 1. A sealed relay, comprising: The shell (4), one end of the shell (4) is an open end, a second terminal groove (41) penetrating through the inside and the outside is arranged on the side wall of the shell (4), and the second terminal groove (41) penetrates through to the end face of the open end; The base (3), the shell (4) is covered outside the base (3), a glue injection groove (5) is formed between the opening end of the shell (4) and the outer side surface of the base (3), a first terminal groove (31) is further formed on the outer side surface of the base (3), the first terminal groove (31) is located in the coverage area of the glue injection groove (5), and the glue injection groove (5) is communicated with a second terminal groove (41); the first terminal (1) is penetrated through the base (3) through the first terminal groove (31) and led out from the direction of the opening end of the shell (4); the second terminal (2) is arranged on the base (3), and the second terminal (2) is embedded in the second terminal groove (41) and led out from the side wall of the shell (4).
  2. 2. The sealing relay according to claim 1, wherein a boss (32) is provided in the middle of the outer side surface of the base (3), the first terminal groove (31) is located on the peripheral side of the boss (32), and the glue injection groove (5) is formed by the inner side of the open end of the housing (4) and Zhou Cewei of the boss (32).
  3. 3. The sealing relay according to claim 2, characterized in that the peripheral side of the boss (32) is inclined.
  4. 4. A sealed relay according to any one of claims 1 to 3, wherein a groove seat (42) is integrally formed on a side wall of the housing (4), and the second terminal groove (41) is provided through the groove seat (42).
  5. 5. The sealing relay according to claim 4, wherein the slot base (42) has opposite inner and outer side walls and opposite left and right side walls, the second terminal slot (41) penetrates the inner and outer side walls of the slot base (42), when the second terminal (2) is embedded in the second terminal slot (41) and penetrates the inner and outer side walls of the slot base (42), a joint gap (411) is formed between the second terminal (2) and the notches of the inner and outer side walls of the slot base (42), and a glue injection gap (412) is formed between the second terminal slot (41) and the left and right side walls of the slot base (42), the glue injection gap (412) is larger than the joint gap (411), and the glue injection gap (412) communicates the glue injection slot (5) and the joint gap (411).
  6. 6. The sealing relay according to claim 5, wherein the glue injection gap (412) comprises a first glue injection section (4121) and a second glue injection section (4122), one end of the first glue injection section (4121) penetrates through to the end face of the open end, a notch (43) for conducting the glue injection groove (5) and one end of the first glue injection section (4121) is arranged on the inner side wall of the groove seat (42), the other end of the first glue injection section (4121) is communicated with the second glue injection section (4122), and the thickness of the first glue injection section (4121) is larger than the thickness of the second glue injection section (4122) along the thickness direction of the second terminal (2).
  7. 7. The sealing relay according to claim 6, wherein the first glue injection section (4121) is connected to a first diversion ramp (4123) on a vertical surface of the notch (43).
  8. 8. The sealing relay of claim 6, wherein a second flow guiding ramp (4124) is formed at the junction of the first and second glue injection sections (4121, 4122).
  9. 9. The sealing relay according to claim 5, wherein the second terminal (2) is provided with a terminal inclined surface (21) at a portion which is embedded in the second terminal groove (41) during assembly, and one side of the terminal inclined surface (21) close to the glue injection groove (5) is lower than the bottom surface of the glue injection groove (5), and one side away from the glue injection groove (5) is flush with the open end of the housing (4).
  10. 10. A sealed relay according to any of claims 1 to 3, characterized in that the first terminal (1) is a PCB terminal and the second terminal (2) is a quick connect terminal.

Description

Sealed relay Technical Field The utility model relates to the technical field of relay manufacture, in particular to a sealed relay and a relay. Background In the existing relay with the quick-connect terminal, the quick-connect terminal and the PCB terminal are usually led out from the side face and the bottom face respectively, and different terminals are led out from different faces respectively, so that the current common glue sealing scheme adopts the side face and the bottom face to carry out glue injection respectively, and the glue sealing is required to be carried out twice, namely, glue sealing is carried out on the joint of the quick-connect terminal from the side face firstly, and then secondary glue sealing is carried out on the joint of the PCB terminal and the joint between the shell and the base from the bottom face after solidification. The process has the following problems: (1) The production efficiency is low, the production period is prolonged due to two glue injection, and the efficiency is reduced; (2) The risk of tightness is that the split sealing glue is easy to generate micro cracks due to colloid shrinkage or poor interface combination, and the integral sealing effect is influenced; (3) The cost is increased, and the labor cost is increased due to the one-time glue sealing process. Disclosure of utility model The utility model discloses a sealing relay which only needs to be injected once, can improve the sealing efficiency and sealing performance and can reduce the production cost. In order to achieve the above object, the present utility model discloses a sealed relay comprising: The shell is provided with an opening end at one end, a second terminal groove penetrating through the inside and the outside is arranged on the side wall of the shell, and the second terminal groove penetrates to the end face of the opening end; The base is covered outside the base, a glue injection groove is formed between the open end of the shell and the outer side surface of the base, a first terminal groove is further formed on the outer side surface of the base, the first terminal groove is located in the coverage area of the glue injection groove, and the glue injection groove is communicated with the second terminal groove; The first terminal is penetrated through the base through the first terminal groove and led out from the direction of the opening end of the shell; The second terminal is arranged on the base, embedded in the second terminal groove and led out from the side wall of the shell. As an alternative implementation mode, a boss is arranged in the middle of the outer side face of the base, the first terminal groove is arranged on the periphery side of the boss, and the inner side of the opening end of the shell and Zhou Cewei of the boss form an adhesive injection groove. As an alternative embodiment, the peripheral side of the boss is inclined. As an alternative embodiment, the side wall of the housing is integrally formed with a slot seat, and the second terminal slot is disposed at the slot seat in a penetrating manner. As an alternative implementation mode, the groove seat is provided with an opposite inner side wall, an opposite outer side wall and an opposite left side wall and an opposite right side wall, the second terminal groove penetrates through the inner side wall and the outer side wall of the groove seat, when the second terminal is embedded in the second terminal groove and penetrates through the inner side wall and the outer side wall of the groove seat, a joint gap is formed between the second terminal and the notch of the inner side wall and the notch of the outer side wall of the groove seat, and a glue injection gap is formed between the second terminal and the left side wall and the right side wall of the groove seat, and is larger than the joint gap, and the glue injection gap is communicated with the glue injection groove and the joint gap. As an optional implementation mode, the glue injection gap comprises a first glue injection section and a second glue injection section, one end of the first glue injection section penetrates through the end face of the opening end, a notch for conducting a glue injection groove and one end of the first glue injection section is formed in the inner side wall of the groove seat, the other end of the first glue injection section is communicated with the second glue injection section, and the thickness of the first glue injection section is larger than that of the second glue injection section along the thickness direction of the second terminal. As an optional implementation manner, the vertical surface of the first glue injection section connection notch is a first diversion inclined surface. As an alternative embodiment, a second diversion slope is formed at the joint of the first glue injection section and the second glue injection section. When injecting glue, the two guide inclined planes can smoothly guide the glue in