CN206163765U - New board plug connector - Google Patents

Abstract

The utility model discloses a novel board card plug connector, which comprises a plurality of connecting modules, a front cover and a top cover; each connecting module comprises a mounting substrate, a plurality of signal terminals, an insulating side plate and a grounding side cover; the front cover is fixed at the front ends of the connecting modules, the front side surface of the front cover is provided with a plurality of signal jacks and a plurality of grounding jacks, the front cover and the top cover are utilized to fix the connecting modules which are overlapped in parallel, and each connecting module consists of a mounting substrate, a plurality of signal terminals, an insulating side plate and a grounding side cover, the structure is simple, the manufacturing and forming are easy, the production efficiency is improved, the cost is reduced, and the signal terminals adopt two signal contact parts, so that the contact is more stable and reliable, and the shielding effect is good; and the most suitable material is selected, the technical indexes of the product such as contact resistance, differential impedance, crosstalk, insertion loss and the like completely meet the use requirement, and the product has better use performance.

Description

New board plug connector

technical field

The utility model relates to the technology in the field of electrical connectors, in particular to a novel board card plug connector.

Background technique

A connector is a bridge between blocked or isolated circuits in the circuit, so that the current can flow and the circuit can realize the predetermined function. The connector is an indispensable part of electronic equipment. With different application objects, frequencies, functions, application environments, etc., the form and structure of connectors are ever-changing. The board plug connector is one of many connectors, and it is mainly used in communication servers. The current board plug connector mainly has the following defects:

1. Most of them are difficult to ensure the consistency of communication data, the effect is not ideal, the contact is poor, and the cost is high, the structure is complicated, and it is difficult to make and shape.

2. The contact resistance, differential impedance, crosstalk, insertion loss and other technical indicators of some board plug connectors cannot be met, especially the signal connection is not smooth, and the shielding performance is not good, and the conductivity is weak, the metal terminals are oxidized, and the signal connection is poor. .

Therefore, it is necessary to improve the current board plug connector.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide a new board plug connector, which has the characteristics of simple structure and good usability.

In order to achieve the above object, the utility model adopts the following technical solutions:

A new board plug connector, including a plurality of connection modules, a front cover and a top cover;

The multiple connection modules are stacked side by side, and each connection module includes a mounting substrate, a plurality of signal terminals, an insulating side plate and a grounding side cover; the top of the mounting substrate extends with an upper front hook, a rear The hook and the positioning block, the positioning block is located between the upper front hook and the rear hook, the lower front hook extends from the bottom of the installation substrate, and a plurality of embedding grooves are recessed on the first side of the installation substrate. The embedding grooves are arranged at intervals up and down, and the multiple signal terminals are respectively embedded in the corresponding embedding grooves. The front end of each signal terminal has two signal contact parts, and a signal slot is formed between the two signal contact parts. Each signal terminal has a signal welding part, and the signal welding parts of the plurality of signal terminals are arranged at intervals in the front and back and all protrude from the bottom of the mounting substrate; the insulating side plate is fixed on the first side of the mounting substrate, and the insulating side plate is pressed against and cover each signal terminal; the ground side cover is fixed on the second side of the installation substrate, and a plurality of ground shrapnels extend forward from the front side edge of the ground side cover, and the plurality of contact shrapnels are arranged at intervals up and down, each A grounding slot is formed between the inner side of the contact shrapnel and the second side of the mounting substrate, and a plurality of grounding welding parts extend downward from the bottom side edge of the grounding side cover, and the plurality of grounding welding parts are arranged at intervals in front and back;

The front cover is fixed on the front ends of multiple connecting modules, and the front side of the front cover is provided with multiple signal jacks and multiple grounding jacks, the multiple signal jacks and the corresponding signal slots face each other, the multiple The grounding jack and the corresponding grounding slot are facing each other. There are a plurality of upper card holes on the top of the front cover. A plurality of lower clamping holes are provided, and the plurality of lower clamping holes and the lower front hooks of the corresponding connection modules are snapped and fixed to each other;

The top cover is fixed on the top of multiple connection modules, and the top cover is provided with multiple positioning grooves and multiple rear card holes. The rear hooks are snapped together and fixed.

Preferably, a first fixing column extends laterally from a tail end of the embedding groove, a first fixing hole is provided on the signal terminal, and the first fixing column is inserted into the first fixing hole.

Preferably, the bottom edge of the insulating side plate is provided with a plurality of second fixing holes, and the first fixing posts are tightly inserted into the corresponding second fixing holes.

Preferably, a plurality of second fixing posts extend from the first side of the installation substrate, and a plurality of third fixing holes are provided on the insulating side plate, and the plurality of second fixing posts are tightly inserted into the corresponding third fixing holes middle.

Preferably, the upper front hook faces downward, and the rear hook faces upward.

Preferably, a plurality of fixing pieces are bent and extended from the periphery of the grounding side cover, correspondingly, a plurality of fixing grooves are recessed on the second side of the installation substrate, and the plurality of fixing pieces are tightly inserted into the corresponding fixing grooves middle.

Preferably, the positioning block is an inverted T shape, and correspondingly, the positioning groove is an inverted T shape.

Preferably, the signal terminal is made of high-conductivity copper, and the outer surface of the signal terminal is completely covered with an anti-oxidation coating.

Preferably, the grounding jacks are inverted L-shaped, the signal jacks are square, and there are two aforementioned signal jacks on the side of each grounding jack.

Preferably, the installation substrate, insulating side panels, front cover and top cover are all made of low warpage plastic materials.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

This product uses the front cover and the top cover to fix multiple connection modules stacked side by side, and each connection module is composed of a mounting substrate, multiple signal terminals, an insulating side plate and a grounding side cover, with a simple structure , It is easy to make and shape, which is beneficial to improve production efficiency and reduce costs, and the signal terminal adopts two signal contact parts, the contact is more stable and reliable, and the shielding effect is good; and, choose the most suitable material, the product's contact resistance, differential impedance, crosstalk, Insertion loss and other technical indicators fully meet the requirements of use, and the product has better performance.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the assembled three-dimensional schematic diagram of the preferred embodiment of the present utility model;

Fig. 2 is a schematic perspective view of assembly from another angle of a preferred embodiment of the present invention;

Fig. 3 is the exploded view of the preferred embodiment of the present utility model;

Fig. 4 is an exploded view of another angle of a preferred embodiment of the present utility model;

Fig. 5 is a sectional view of a preferred embodiment of the present utility model;

Fig. 6 is a cross-sectional view from another angle of the preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Connection module 11. Installation substrate

111. Upper front hook 112. Rear hook

113. Positioning block 114. Lower front hook

115, embedding groove 116, fixing groove

117, the first fixed column 118, the second fixed column

12. Signal terminal 121. Signal contact part

122. Signal slot 123. Signal welding part

124. First fixing hole 13. Insulation side plate

131, the second fixing hole 132, the third fixing hole

14. Grounding side cover 141. Grounding shrapnel

142. Ground welding part 143. Fixed piece

20. Front cover 21. Signal jack

22. Grounding jack 23. Upper card hole

24. Bottom card hole 30. Top cover

31. Positioning slot 32. Rear card hole

detailed description

Please refer to FIG. 1 to FIG. 6 , which show the specific structure of a preferred embodiment of the present invention, including a plurality of connection modules 10 , a front cover 20 and a top cover 30 .

The plurality of connection modules 10 are stacked side by side, and each connection module 10 includes a mounting substrate 11 , a plurality of signal terminals 12 , an insulating side plate 13 and a grounding side cover 14 .

The top of the installation substrate 11 extends with an upper front hook 111, a rear hook 112 and a positioning block 113, the positioning block 113 is located between the upper front hook 111 and the rear hook 112, and the bottom of the installation substrate 11 extends with The lower front hook 114 and the first side surface of the mounting substrate 11 are recessed with a plurality of embedding grooves 115 , and the embedding grooves 115 are arranged at intervals up and down. In this embodiment, the mounting substrate 11 is made of low warpage plastic material, the upper front hook 111 faces downward, and the rear hook 112 faces upward.

The plurality of signal terminals 12 are respectively embedded in the corresponding embedding grooves 115. The front end of each signal terminal 12 has two signal contact portions 121, and a signal slot 122 is formed between the two signal contact portions 121. Each signal terminal 12 each have a signal soldering portion 123 , and the signal soldering portions 123 of the plurality of signal terminals 12 are arranged at intervals in front and rear and protrude from the bottom of the mounting substrate 11 . In this embodiment, the signal terminal 12 is made of high-conductivity copper material, and the outer surface of the signal terminal 12 is completely covered with an anti-oxidation coating to ensure smooth signal transmission.

The insulating side plate 13 is fixed on the first side of the mounting substrate 11 , and the insulating side plate 13 presses against and covers each signal terminal 12 . In this embodiment, the insulating side plate 13 is made of low warpage plastic material.

The ground side cover 14 is fixed on the second side of the installation substrate. The front side edge of the ground side cover 14 extends forward with a plurality of ground elastic pieces 141, and the plurality of contact elastic pieces 141 are arranged at intervals up and down. Each contact elastic piece 141 A grounding slot (not shown) is formed between the inner side of the cover and the second side of the mounting substrate 11, and a plurality of grounding welding parts 142 extend downward from the bottom edge of the grounding side cover, and the plurality of grounding welding parts 142 The grounding elastic pieces 141 are arranged at intervals. In this embodiment, there are two groups of grounding elastic pieces 141, each group of grounding elastic pieces 141 is composed of two grounding elastic pieces 141 arranged up and down, and three grounding welding parts 142 are arranged at intervals. And, a plurality of fixing pieces 143 are bent and extended from the periphery of the grounding side cover 14, and correspondingly, a plurality of fixing grooves 116 are recessed on the second side surface of the mounting substrate 11, and the plurality of fixing pieces 143 are tightly inserted into Corresponding fixing slots 116 , so that the ground side cover 14 is fixedly connected to the installation substrate 11 .

The front cover 20 is fixed on the front ends of the connection modules 10, and the front side of the front cover 20 is provided with a plurality of signal jacks 21 and a plurality of grounding jacks 22, and the plurality of signal jacks 21 are connected to the corresponding signal slots 122. facing each other, the plurality of grounding jacks 22 and the corresponding grounding slots are facing each other, the top of the front cover 20 is provided with a plurality of upper card holes 23, and the plurality of upper card holes 23 are aligned with the upper front of the corresponding connection module 10. The buckles 111 are buckled and fixed to each other. The bottom of the front cover 20 is provided with a plurality of lower buckling holes 24 . In this embodiment, the front cover 20 is made of low-warp plastic material, and the grounding jack 22 is in an inverted L shape, the signal jack 21 is square, and each grounding jack 22 has two aforementioned Signal jack 21.

The top cover 30 is fixed on the tops of the plurality of connection modules 10, and the top cover 30 is provided with a plurality of positioning grooves 31 and a plurality of rear clamping holes 32. The rear snap holes 32 and the corresponding rear hooks 112 are snap-connected and fixed to each other. In this embodiment, the top cover 30 is made of low-warp plastic material, and the positioning block 113 is an inverted T shape, and correspondingly, the positioning groove 31 is an inverted T shape to prevent the top cover 30 from being disconnected upward. Module 10.

And, a first fixing post 117 extends laterally from the tail end of the embedding groove 115 , and the signal terminal 12 is provided with a first fixing hole 124 , and the first fixing post 117 is inserted into the first fixing hole 124 . The bottom edge of the insulating side plate 13 is provided with a plurality of second fixing holes 131 , and the first fixing posts 117 are tightly inserted into the corresponding second fixing holes 131 . A plurality of second fixing columns 118 extend from the first side of the mounting substrate 11, and a plurality of third fixing holes 132 are provided on the insulating side plate 13, and the plurality of second fixing columns 118 are tightly inserted into corresponding third fixing holes 132. In the fixing hole 132.

When assembling, firstly, each signal terminal 12 is respectively embedded in the corresponding embedding groove 115, then, the insulating side plate 13 is fixed on the first side surface of the mounting substrate 11, and then the grounding side cover 14 is fixed on the mounting substrate On the second side of the second side, thereby forming a connection module 10; then, a plurality of connection modules 10 are stacked together side by side, and then, the front cover 20 is docked with the plurality of connection modules 10 from front to back, so that a plurality of upper cards Holes 23 and the upper front buckles 111 of the corresponding connection module 10 are snapped and fixed to each other, while multiple lower holes 24 and the lower front hooks 114 of the corresponding connection module 10 are snapped and fixed to each other; then, the top cover 30 is fixed by Connect with multiple connection modules 10 from back to front, so that the positioning block 113 and the corresponding positioning groove 31 are inserted and positioned with each other, and the multiple rear clamping holes 32 and the corresponding rear hooks 112 are clamped and fixed with each other, and the assembly is completed.

The key point of the design of the utility model is: this product uses the front cover and the top cover to fix multiple connection modules stacked side by side, and each connection module consists of a mounting base plate, multiple signal terminals, an insulating side plate and It consists of a grounding side cover, which has a simple structure and is easy to make and shape, which is conducive to improving production efficiency and reducing costs, and the signal terminal adopts two signal contact parts, the contact is more stable and reliable, and the shielding effect is good; and, choosing the most suitable material, the product's Technical indicators such as contact resistance, differential impedance, crosstalk, and insertion loss fully meet the requirements for use, and the product has better performance.

The technical principles of the present utility model have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be construed as limiting the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementations of the present utility model without creative work, and these forms will all fall within the protection scope of the present utility model.

Claims (10)

1. A novel board plug connector, characterized in that: it includes a plurality of connection modules, a front cover and a top cover; The multiple connection modules are stacked side by side, and each connection module includes a mounting substrate, a plurality of signal terminals, an insulating side plate and a grounding side cover; the top of the mounting substrate extends with an upper front hook, a rear The hook and the positioning block, the positioning block is located between the upper front hook and the rear hook, the lower front hook extends from the bottom of the installation substrate, and a plurality of embedding grooves are recessed on the first side of the installation substrate. The embedding grooves are arranged at intervals up and down, and the multiple signal terminals are respectively embedded in the corresponding embedding grooves. The front end of each signal terminal has two signal contact parts, and a signal slot is formed between the two signal contact parts. Each signal terminal has a signal welding part, and the signal welding parts of the plurality of signal terminals are arranged at intervals in the front and back and all protrude from the bottom of the mounting substrate; the insulating side plate is fixed on the first side of the mounting substrate, and the insulating side plate is pressed against and cover each signal terminal; the ground side cover is fixed on the second side of the installation substrate, and a plurality of ground shrapnels extend forward from the front side edge of the ground side cover, and the plurality of contact shrapnels are arranged at intervals up and down, each A grounding slot is formed between the inner side of the contact shrapnel and the second side of the mounting substrate, and a plurality of grounding welding parts extend downward from the bottom side edge of the grounding side cover, and the plurality of grounding welding parts are arranged at intervals in front and back; The front cover is fixed on the front ends of multiple connecting modules, and the front side of the front cover is provided with multiple signal jacks and multiple grounding jacks, the multiple signal jacks and the corresponding signal slots face each other, the multiple The grounding jack and the corresponding grounding slot are facing each other. There are a plurality of upper card holes on the top of the front cover. A plurality of lower clamping holes are provided, and the plurality of lower clamping holes and the lower front hooks of the corresponding connection modules are snapped and fixed to each other; The top cover is fixed on the top of multiple connection modules, and the top cover is provided with multiple positioning grooves and multiple rear card holes. The rear hooks are snapped together and fixed. 2. The new board plug connector according to claim 1, characterized in that: a first fixing column extends laterally from the tail end of the embedding groove, the signal terminal is provided with a first fixing hole, the The first fixing post is inserted into the first fixing hole. 3. The new board plug connector as claimed in claim 2, characterized in that: the bottom edge of the insulating side plate is provided with a plurality of second fixing holes, and the first fixing posts are tightly inserted into the corresponding second fixing holes middle. 4. The new board plug connector according to claim 3, characterized in that: a plurality of second fixing columns extend from the first side of the mounting substrate, and a plurality of third fixing columns are arranged on the insulating side plate The plurality of second fixing posts are tightly inserted into corresponding third fixing holes. 5 . The new board card plug connector according to claim 1 , wherein the upper front hook faces downward, and the rear hook faces upward. 6 . 6. The new board plug connector as claimed in claim 1, wherein a plurality of fixing pieces are bent and extended from the periphery of the grounding side cover, and correspondingly, the second side surface of the mounting substrate is recessed There are multiple fixing slots, and the multiple fixing pieces are tightly inserted into the corresponding fixing slots. 7. The new board plug connector according to claim 1, wherein the positioning block is an inverted T shape, and correspondingly, the positioning groove is an inverted T shape. 8 . The new board plug connector according to claim 1 , wherein the signal terminal is made of high-conductivity copper, and the outer surface of the signal terminal is completely covered with an anti-oxidation coating. 9. The new board plug connector as claimed in claim 1, wherein the grounding jack is inverted L-shaped, the signal jack is square, and each grounding jack has two aforementioned signal jacks on its side. jack. 10. The new board plug connector according to claim 1, characterized in that: the mounting base plate, the insulating side plate, the front cover and the top cover are all made of low warpage plastic materials.