CN217823371U

CN217823371U - Needle withdrawal prevention plate end connector

Info

Publication number: CN217823371U
Application number: CN202222067229.XU
Authority: CN
Inventors: 黄兵
Original assignee: Dongguan Mingbang Electronics Co ltd
Current assignee: Dongguan Mingbang Electronics Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-15
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to the technical field of connectors, in particular to a plate end connector capable of preventing needles from moving back, which comprises a connector shell and a terminal, wherein the connector shell is provided with an inserting groove used for being connected with an accessory, the terminal is provided with a vertically extending barb part, and a terminal groove matched with the barb part is arranged in the connector shell in a penetrating way; the terminal is transversely extended with a non-return part at the position of the barb part, and the connector shell is provided with a non-return groove corresponding to the non-return part in the terminal groove; the terminal is inserted from the slot front end, and barb portion is connected with the terminal groove is spacing, non return portion and non return groove joint. The utility model discloses a terminal passes through barb portion and blocks with the connector housing, makes it unable to withdraw from, can not appear moving back the problem of needle, and the reliability and the stability that improve the product are high.

Description

Needle withdrawal prevention plate end connector

Technical Field

The utility model relates to a connector technical field indicates a prevent moving back board end connector of needle especially.

Background

The current connectors can be divided into board-end connectors for mounting on a circuit board and wire-end connectors for connecting to wires according to the mounting differences. The line end connector can be inserted into the board end connector to achieve signal transmission. The direction that current plate end connector's terminal inserted the plastic casing is the same with the direction of withdrawing from the connector to the accessory, and the holding power of terminal this moment is the biggest stiction between terminal and the plastic, and this power is very little usually, and this has just led to when withdrawing from to the accessory because terminal holding power and stability are not enough, causes the emergence of withdrawing the needle for the reliability and the stability of connector are extremely low, and then cause product or off-the-shelf loss.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a prevent moving back board end connector of needle improves the reliability and the stability height of product.

In order to achieve the above object, the technical solution adopted by the present invention is to provide a needle-withdrawal-preventing plate-end connector, which comprises a connector housing and a terminal, wherein the connector housing has a slot for connecting with an accessory, the terminal is provided with a vertically extending barb portion, and the connector housing is provided with a terminal slot matching with the barb portion; the terminal is transversely extended with a non-return part at the position of the barb part, and the connector shell is provided with a non-return groove corresponding to the non-return part in the terminal groove; the terminal is inserted from the slot front end, and barb portion is connected with the terminal groove is spacing, non return portion and non return groove joint.

Preferably, the size of the cross section of the barb part is gradually reduced along the inserting direction of the slot.

Preferably, the barb portion is provided on an upper surface or a lower surface or both of the upper and lower surfaces of the terminal.

Preferably, the connector housing disposed on the upper and lower surfaces of the terminal is provided with the barb portions symmetrically or asymmetrically.

Preferably, the barb portion is formed of six protrusions, three of which are provided on an upper surface of the terminal and the other three of which are provided on a lower surface of the terminal.

Preferably, a groove is formed between two adjacent protrusions.

Preferably, the non-return part is arranged on the left side surface or the right side surface or both the left side surface and the right side surface of the terminal.

Preferably, the plate-end connector is a 36pin connector, and the 36 terminals are symmetrically arranged in two rows.

Preferably, the plate end connector is a 24pin connector, and the 24 terminals are arranged in two rows in a staggered mode.

The beneficial effects of the utility model reside in that:

the connector shell of the utility model is additionally provided with the terminal groove matched with the terminal, so that the stress between the terminal and the connector shell can be at least reduced to prevent the connector from being damaged; and with terminal inslot be provided with the non return groove, correspond to with the terminal position of barb portion transversely extend have the non return portion, make the non return portion can follow and imbed terminal groove in the non return groove, this structure can prevent that back processing procedure operation process from causing the withdraw of needle. When the terminal is installed, only small insertion force is needed to insert from the slot, and when the terminal is pulled out, large pulling force is needed, so that the problems of pin withdrawal and pin falling are avoided.

Drawings

Fig. 1 is a schematic structural diagram of a 36pin connector of the present invention.

Fig. 2 is an exploded view of the 36pin connector of the present invention.

Fig. 3 is a schematic cross-sectional view of the 36pin connector of the present invention taken along the vertical direction of the terminal.

Fig. 4 is a schematic cross-sectional view of the 36pin connector of the present invention, taken along the transverse direction of the terminal.

Fig. 5 is a schematic structural view of the terminal of the present invention.

Fig. 6 is a schematic back view of the 24pin connector of the present invention.

The reference numbers illustrate: 10. 10 a-a connector housing; 11-a slot; 12-terminal slot; 13-a check groove; 20. 20 a-terminal; 21-a barb portion; 22-non-return; 23-a bump; 24-grooves.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, for a first embodiment of a needle withdrawal prevention plate end connector of the present invention, the plate end connector is a 36pin connector, and includes a connector housing 10 and 36 terminals 20, and the 36 terminals 20 are symmetrically inserted into the connector housing 10 in two rows; the connector shell 10 is provided with a slot 11 used for being connected with a fitting, the terminal 20 is provided with a barb part 21 extending vertically, and the connector shell 10 is provided with a terminal 20 slot 12 matched with the barb part 21 in a penetrating mode; the terminal 20 is transversely extended with a check part 22 at the position of the barb part 21, and the connector housing 10 is provided with a check groove 13 corresponding to the check part 22 in the groove 12 of the terminal 20; the terminal 20 is inserted from the front end of the slot 11, the barb part 21 is in limit connection with the slot 12 of the terminal 20, and the check part 22 is clamped with the check slot 13; when the terminal 20 is installed, only a small insertion force is needed to insert from the slot 11, and when the terminal 20 is pulled out, a large pulling force is needed, so that the structure can prevent the pin from being withdrawn in the post-processing operation process. When the terminal 20 is installed, only a small insertion force is needed to insert from the slot 11, and when the terminal 20 is pulled out, a large pulling force is needed, so that the problems of pin withdrawing and pin falling are avoided.

The size of the cross section of the barb part 21 is gradually reduced along the insertion direction of the slot 11, the design makes the terminal 20 be inserted into the slot 12 of the terminal 20 more easily, and a limit is formed between the slot 12 of the terminal 20 and the barb part 21, so that the terminal 20 is connected with the connector shell 10.

Further, the barb portions 21 are provided on the upper surface or the lower surface or both of the upper and lower surfaces of the terminal 20; and the barb parts 21 provided on the upper and lower surfaces of the terminal 20 are symmetrical or asymmetrical; and the check portions 22 are provided on the left or right side surface or both the left and right side surfaces of the terminal 20.

As shown in fig. 5, in the present embodiment, the barb portions 21 are disposed on both upper and lower surfaces of the terminal 20, and are asymmetric; specifically, the method comprises the following steps: the barb portion 21 is constituted by six protrusions 23, three of the protrusions 23 being provided on the upper surface of the terminal 20, and the other three protrusions 23 being provided on the lower surface of the terminal 20; a groove 24 is formed between two adjacent protrusions 23. The design is such that when the barb part 21 is inserted into the groove 12 of the terminal 20, the wave design between the protrusion 23 and the groove 24 causes the terminal 20 and the connector housing 10 to form an up-and-down backstop.

The backstop 22 is disposed at the side of the terminal 20, and has a triangular block structure, and the size of the cross section of the backstop 22 is gradually reduced along the insertion direction of the slot 11, so that the front and back backstop is formed between the terminal 20 and the connector housing 10.

As shown in fig. 5, a second embodiment of the anti-pin-withdrawal plate-end connector is a 24pin connector, and includes a

connector housing

10a and 24

terminals

20a, and 24 terminals 20a inserted in two rows in a staggered manner in the connector housing 10a. By adopting the staggered enlarged distance between the terminals 20a, the requirements of conventional electrical performance and safety distance can be met, and low-voltage large-current output can be realized.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides a prevent board end connector that moves back needle, includes connector housing and terminal, connector housing be provided with be used for with to the accessory slot of being connected, its characterized in that: the terminal is provided with a vertically extending barb part, and a terminal groove matched with the barb part is arranged in the connector shell in a penetrating way; the terminal is transversely extended with a non-return part at the position of the barb part, and the connector shell is provided with a non-return groove corresponding to the non-return part in the terminal groove; the terminal is inserted from the slot front end, and barb portion is connected with the terminal groove is spacing, non return portion and non return groove joint.

2. The plate end connector of claim 1, wherein: the size of the cross section of the barb part is gradually reduced along the inserting direction of the slot.

3. The plate end connector of claim 2, wherein: the barb portion is provided on the upper surface or the lower surface or both the upper and lower surfaces of the terminal.

4. The plate end connector of claim 3, wherein: the barb parts arranged on the upper surface and the lower surface of the terminal are symmetrical or asymmetrical.

5. The plate end connector of claim 4, wherein: the barb portion is formed by six protrusions, three of which are provided on the upper surface of the terminal, and the other three protrusions are provided on the lower surface of the terminal.

6. The plate end connector of claim 5, wherein: a groove is formed between two adjacent bulges.

7. The plate end connector of claim 1, wherein: the non-return part is arranged on the left side surface or the right side surface or the left side surface and the right side surface of the terminal.

8. The plate end connector of any one of claims 1-7, wherein: the plate end connector is a 36pin connector, and the 36 terminals are symmetrically arranged in two rows.

9. The plate end connector of any one of claims 1-7, wherein: the plate end connector is a 24pin connector, and the 24 terminals are arranged in two rows in a staggered mode.