CN216413347U

CN216413347U - Terminal block with high reliability

Info

Publication number: CN216413347U
Application number: CN202122938571.8U
Authority: CN
Inventors: 李清; 刘亚兵
Original assignee: Hisetec Electronic Co Ltd
Current assignee: Hisetec Electronic Co Ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-04-29
Anticipated expiration: 2031-11-27

Abstract

The utility model discloses a terminal seat with high reliability, which comprises a terminal group, a first plastic part and a second plastic part, wherein the terminal group comprises a plurality of terminals arranged side by side, the terminals are integrally bent and formed and comprise elastic sheet parts, bending parts, connecting parts and inverted U-shaped mounting parts which are sequentially connected, the inverted U-shaped mounting parts are fixedly arranged in the first plastic part, the second plastic part is provided with a containing cavity, the side wall of the containing cavity is provided with a first transverse guide groove, the first plastic part is provided with an upper plate, a middle plate and a lower plate, the upper plate and the lower plate are respectively positioned on the upper side and the lower side of the middle plate and are vertically connected with two ends of the middle plate, the middle plate is provided with a first guide block, the first guide block is clamped in the first transverse guide groove, the first plastic part is arranged in the containing cavity, and the top of the upper plate is abutted against the top of the containing cavity. The connector is stable and reliable, is not easy to loosen and contact badly due to repeated plugging and unplugging in the using process, and ensures the service life of the connector.

Description

Terminal block with high reliability

Technical Field

The utility model relates to the technical field of network port terminal blocks, in particular to a terminal block with high reliability.

Background

The RJ45 interface plays an important role in signal transmission as the most commonly used ethernet interface, and has wide application for RJ45 connectors used to mate with the interface. The reliability is lower after current RJ45 connector assembly, and in the use, after many times plug, the terminal seat appears becoming flexible easily, leads to in the use, easily appears contact failure phenomenon, influences the connector and uses.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a terminal block with high reliability.

According to one aspect of the utility model, a terminal seat with high reliability is provided, which comprises a terminal group, a first plastic part and a second plastic part, wherein the terminal group comprises a plurality of terminals arranged side by side, the terminals are integrally bent and formed and comprise elastic sheet parts, bent parts, connecting parts and inverted U-shaped mounting parts which are sequentially connected, the inverted U-shaped mounting parts are fixedly arranged in the first plastic part, the second plastic part is provided with a containing cavity, the side wall in the containing cavity is provided with a first transverse guide groove, the first plastic part is provided with an upper plate, a middle plate and a lower plate, the upper plate and the lower plate are respectively positioned on the upper side and the lower side of the middle plate and are respectively and vertically connected with two ends of the middle plate, the middle plate is provided with a first guide block, the first guide block is clamped in the first transverse guide groove, the first plastic part is arranged in the containing cavity, and the top of the upper plate is abutted against the top of the containing cavity.

The utility model has the beneficial effects that: according to the terminal seat, the first transverse guide groove is formed in the accommodating cavity, the first guide block is arranged on the first plastic part, the first guide block is matched and clamped with the first transverse guide groove, the first plastic part is embedded in the accommodating cavity and fixed, the stability and reliability of the terminal seat are guaranteed, meanwhile, the top of the accommodating cavity abuts against the top of the first plastic part, no gap exists between the top of the first plastic part and the top of the accommodating cavity, the first plastic part is prevented from moving in the accommodating cavity, the second plastic part fixes and limits the top of the first plastic part, the first plastic part is tightly connected with the second plastic part, and the stability and reliability of the terminal seat are further guaranteed. Simultaneously, the terminal group is convenient to assemble and operate during production, the inverted U-shaped installation part of the terminal group is injected into the first plastic part, and the bent part and the connecting part of the terminal group are accommodated in the second plastic part while the second plastic part fixes the first plastic part. The utility model has novel structure, quick and simple assembly and easy operation, and the first plastic part and the second plastic part are tightly combined after assembly. The connector is stable and reliable, is not easy to loosen after being plugged for a plurality of times in the using process, is not easy to have poor contact, and ensures the service life of the connector.

In some embodiments, the first guide block is provided with a first inclined surface, the middle plate is further provided with a first clamping block, the first clamping block is located in front of the first guide block, the lower plate is provided with a second guide block, and the second guide block is provided with a second inclined surface. First fixture block is used for with vertical draw-in groove looks joint, with medium plate and left side wall and right side wall fixed connection, avoids first plastic part not hard up holding the intracavity.

In some embodiments, the second plastic part includes a base and a rear fixing part, the rear fixing part is perpendicularly connected to the base, the rear fixing part is provided with a top wall, a left side wall, a right side wall and a rear wall, the top wall, the left side wall, the right side wall and the rear wall enclose a containing cavity, the left side wall and the right side wall are both provided with longitudinal clamping grooves, the longitudinal clamping grooves are in one-to-one correspondence with the shapes and positions of the first clamping blocks, the first clamping blocks are clamped in the longitudinal clamping grooves, and the top of the upper plate abuts against the inner side of the top wall. Hold the chamber and be used for holding and fixed first plastic portion, vertical draw-in groove is used for with first fixture block looks joint, with medium plate and left side wall and right side wall fixed connection, avoids first plastic portion not hard up holding the intracavity. The top of upper plate offsets with the roof is inboard, makes not have the gap between upper plate and the roof, with the upper plate spacing with hold the intracavity, avoids first plastic portion to take place to remove holding the intracavity.

In some embodiments, the left side wall and the right side wall are provided with a first transverse guide groove, the shape and the position of the first transverse guide groove are correspondingly matched with those of a first guide block, and the first guide block is clamped in the first transverse guide groove. Two first guide blocks and the corresponding joint of two first horizontal guide slots avoid first plastic portion not hard up holding the intracavity with medium plate and left side wall and right lateral wall fixed connection.

In some embodiments, the left side wall and the right side wall are provided with a second transverse guide groove, the second transverse guide groove is positioned below the first transverse guide groove, the shape and the position of the second transverse guide groove are correspondingly matched with those of a second guide block, and the second guide block is clamped in the second transverse guide groove. The second guide block is clamped with the second transverse guide groove, the lower plate is fixedly connected with the left side wall and the right side wall, the first plastic part is tightly connected with the second plastic part, and reliability and stability are improved.

In some embodiments, the rear wall is provided with a terminal mounting groove, the base is provided with a terminal receiving groove, the terminal mounting groove and the receiving cavity are communicated, the bending portion and the connecting portion are received in the terminal receiving groove, one end of the elastic piece portion is connected with the bending portion, and the other end is connected with the rear wall. The bending part, the connecting part and the elastic sheet part of the terminal penetrate through the accommodating cavity and the terminal installation groove and are accommodated in the terminal accommodating groove.

In some embodiments, the inverted U-shaped mounting portion includes a first vertical portion, a second vertical portion, and a third connecting portion, one end of the third connecting portion is integrally connected with the first vertical portion, the other end is integrally connected with the second vertical portion, the first vertical portion is parallel to the second vertical portion, and the first vertical portion is integrally connected with the connecting portion.

In some embodiments, the terminals include a long terminal and a short terminal, and the length of the third connection portion of the long terminal is longer than the length of the third connection portion of the short terminal.

In some embodiments, the long and short terminals are arranged side by side and spaced apart from each other to be inserted into the terminal accommodating grooves and the terminal accommodating grooves, and the second vertical portions of the long terminals and the second vertical portions of the short terminals are arranged in parallel spaced apart front and rear rows.

Drawings

Fig. 1 is a schematic structural diagram of a terminal block with high reliability according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a terminal block with high reliability according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a first plastic part of a terminal block with high reliability according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a second plastic part of a terminal block with high reliability according to an embodiment of the present invention.

Fig. 5 is a right side view of a second plastic part of a terminal block having high reliability according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a terminal accommodating groove and a terminal installation groove of a terminal block with high reliability according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to examples.

Referring to fig. 1 to 6, the present invention provides a terminal block with high reliability, which includes a terminal group 1, a first plastic part 2, and a second plastic part 3.

The second plastic part 3 comprises a base 32 and a rear fixing part 33, the rear fixing part 33 is provided with a top wall 331, a left side wall 332, a right side wall 333 and a rear wall 334, and the top wall 331, the left side wall 332, the right side wall 333 and the rear wall 334 enclose an accommodating cavity. The left side wall 332 and the right side wall 333 are each provided with a longitudinal slot 34, a first transverse slot 35 and a second transverse slot 36, the second transverse slot 36 being located below the first transverse slot 35. The rear wall 334 is provided with a terminal mounting groove 3341, the base 32 is provided with a terminal receiving groove 321, and the terminal receiving groove 321, the terminal mounting groove 3341 and the receiving cavity are communicated with each other.

The first plastic part 2 is provided with an upper plate 21, a middle plate 22 and a lower plate 23. The upper plate 21 and the lower plate 23 are respectively positioned at the upper and lower sides of the middle plate 22 and are vertically connected with both ends of the middle plate 22. The top of the upper plate 21 is abutted against the lower side surface of the top wall 331, so that the upper plate 21 is tightly connected with the top wall 331, and the top wall 331 plays a role in limiting and fixing the upper plate 21.

The middle plate 22 is provided with a first latch 221 and a first guide 222, the first latch 221 is located in front of the first guide 222, and the first guide 222 is provided with a first inclined surface 2221. The shapes and positions of the first blocks 221 and the longitudinal slots 34 are matched in a one-to-one correspondence manner, two first blocks 221 are provided, the two first blocks 221 are symmetrically distributed on the two sides of the middle plate 22 from left to right, and the two first blocks 221 are correspondingly clamped in the two longitudinal slots 34 respectively. The shape and position of the first guide blocks 222 are correspondingly matched with the first transverse guide grooves 35, the number of the first guide blocks 222 is two, the two first guide blocks 222 are symmetrically distributed on the two sides of the middle plate 22, and the two first guide blocks 222 are correspondingly clamped in the two first transverse guide grooves 35, so that the middle plate 22 is tightly connected with the second plastic part 3.

The lower plate 23 is provided with a second guide block 231, and the second guide block 231 is provided with a second slope 2311. The shape and position of the second guide blocks 231 are matched with the second transverse guide grooves 36 correspondingly, the number of the second guide blocks 231 is two, the two second guide blocks 231 are distributed on the two sides of the lower plate 23 in a bilateral symmetry manner, and the two second guide blocks 231 are correspondingly clamped in the two second transverse guide grooves 36, so that the lower plate 23 is tightly connected with the second plastic part 3.

The terminal group 1 includes a plurality of terminals 11 that set up side by side, and terminal 11 integrative bending takes shape and includes shell fragment portion 111, the portion 112 of bending, connecting portion 113 and the type of falling U installation department 114 that connect gradually, and portion 112 and connecting portion 113 of bending hold in terminal holding tank 321, and the one end of shell fragment portion 111 is connected with the portion 112 of bending, and the other end stretches into in the terminal mounting groove 3341.

The inverted U-shaped mounting portion 114 includes a first vertical portion 1141, a second vertical portion 1142 and a third connecting portion 1143, one end of the third connecting portion 1143 is integrally connected to the first vertical portion 1141, the other end is integrally connected to the second vertical portion 1142, the first vertical portion 1141 is parallel to the second vertical portion 1142, and the first vertical portion 1141 is integrally connected to the connecting portion 113. The inverted U-shaped mounting portion 114 is fixedly disposed in the first plastic portion 2 by injection molding.

The terminal 11 includes a plurality of long terminals 12 and a plurality of short terminals 13, and the length of the third connection portion 1143 of the long terminal 13 is longer than the length of the third connection portion 1143 of the short terminal 12. The plurality of long terminals 12 and the plurality of short terminals 13 are arranged side by side and inserted into the terminal receiving grooves 321 and the terminal mounting grooves 3341 at intervals, and the second vertical portions 1142 of the long terminals 12 and the second vertical portions 1142 of the short terminals are arranged in parallel in two rows in front and rear at intervals.

When the terminal is manufactured, the long terminals 13 and the short terminals 13 are arranged side by side at intervals and are subjected to injection molding to obtain the first plastic part 2, the inverted U-shaped mounting part 114 is wrapped and fixedly mounted by the first plastic part 2, the second plastic part 3 is obtained by injection molding, the first plastic part 2 and the terminal group 1 are correspondingly inserted into the accommodating cavity, the terminal mounting groove 3341 and the terminal accommodating groove 321, the bending part 112 and the connecting part 113 are positioned in the terminal accommodating groove 321, the first clamping block 221, the first guide block 222 and the second guide block 231 are correspondingly connected with the longitudinal clamping groove 34, the first transverse guide groove 35 and the second transverse guide groove 36 in a clamping mode, the first plastic part 2 and the second plastic part 3 are fixedly connected, the connection stability and reliability are guaranteed, and the first plastic part 2 is prevented from loosening. Compared with the prior art, the terminal block with high reliability prepared by the utility model is stable and reliable, is not easy to loosen and contact badly due to repeated plugging and unplugging in the using process, and ensures the service life of the connector.

The above description is only for the embodiments of the present invention, and it is obvious to those skilled in the art that various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A terminal base with high reliability is characterized by comprising a terminal group, a first plastic part and a second plastic part, the terminal group comprises a plurality of terminals arranged side by side, the terminals are integrally bent and formed and comprise elastic sheet parts, bent parts, connecting parts and inverted U-shaped mounting parts which are connected in sequence, the inverted U-shaped mounting part is fixedly arranged in the first plastic part, the second plastic part is provided with an accommodating cavity, the inner side wall of the containing cavity is provided with a first transverse guide groove, the first plastic part is provided with an upper plate, a middle plate and a lower plate, the upper plate and the lower plate are respectively positioned at the upper side and the lower side of the middle plate, and are vertically connected with both ends of the middle plate, the middle plate is provided with a first guide block, the first guide block is clamped in the first transverse guide groove, the first plastic part is arranged in the accommodating cavity, and the top of the upper plate is abutted to the top of the accommodating cavity.

2. The terminal holder according to claim 1, wherein the first guide block is provided with a first inclined surface, the middle plate is further provided with a first engaging piece, the first engaging piece is located in front of the first guide block, the lower plate is provided with a second guide block, and the second guide block is provided with a second inclined surface.

3. The terminal block with high reliability as claimed in claim 2, wherein the second plastic part includes a base and a rear fixing part, the rear fixing part is perpendicularly connected to the base, the rear fixing part has a top wall, a left side wall, a right side wall and a rear wall, the top wall, the left side wall, the right side wall and the rear wall enclose the accommodating cavity, the left side wall and the right side wall are respectively provided with a longitudinal slot, the longitudinal slots are correspondingly matched with the first blocks in shape and position, the first blocks are clamped in the longitudinal slots, and the top of the upper plate abuts against the inner side of the top wall.

4. The terminal block with high reliability as claimed in claim 3, wherein the left and right side walls are each provided with a first transverse guiding groove, the shape and position of the first transverse guiding groove are correspondingly matched with the first guiding block, and the first guiding block is clamped in the first transverse guiding groove.

5. The terminal block with high reliability as claimed in claim 3, wherein the left and right side walls are provided with second lateral guide grooves, the second lateral guide grooves are located below the first lateral guide grooves, the shape and position of the second lateral guide grooves are correspondingly matched with the second guide blocks, and the second guide blocks are clamped in the second lateral guide grooves.

6. The terminal holder with high reliability as claimed in claim 3, wherein the rear wall is provided with a terminal mounting groove, the base is provided with a terminal accommodating groove, the terminal mounting groove and the accommodating groove are communicated, the bending portion and the connecting portion are accommodated in the terminal accommodating groove, one end of the elastic piece portion is connected to the bending portion, and the other end of the elastic piece portion extends into the terminal mounting groove.

7. The terminal block with high reliability as set forth in claim 1, wherein the inverted U-shaped mounting portion includes a first vertical portion, a second vertical portion and a third connecting portion, one end of the third connecting portion is integrally connected to the first vertical portion, the other end is integrally connected to the second vertical portion, the first vertical portion is parallel to the second vertical portion, and the first vertical portion is integrally connected to the connecting portion.

8. The terminal holder with high reliability according to claim 7, wherein the terminal includes a long terminal and a short terminal, and a length of the third connection portion of the long terminal is longer than a length of the third connection portion of the short terminal.

9. The terminal holder according to claim 8, wherein the long and short terminals are arranged side by side and spaced apart from each other to be inserted into the terminal receiving grooves and the terminal mounting grooves, and the second vertical portions of the long terminals and the second vertical portions of the short terminals are arranged in parallel in two rows in front and rear directions.