CN113193406A

CN113193406A - A kind of interface unit

Info

Publication number: CN113193406A
Application number: CN202110466273.5A
Authority: CN
Inventors: 刘兴平; 王超; 羊衍富; 钟茂苹
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-30
Anticipated expiration: 2041-04-28
Also published as: CN113193406B

Abstract

The invention relates to the technical field of connectors, and discloses a connector which comprises two signal transmission assemblies, wherein the two signal transmission assemblies are arranged side by side in the front and at the back and are connected, and each signal transmission assembly comprises: a first insulating block; the terminal assembly comprises a plurality of conductive terminals arranged at intervals, the conductive terminal part is embedded in the first insulating block, and the conductive terminals respectively extend out of the contact part and the connecting part towards the first side and the second side of the first insulating block; and the signal wire of the conducting wire is connected to the connecting part, and the conducting wire of the front signal transmission assembly is positioned at the second side of the rear signal transmission assembly. The two signal transmission assemblies are arranged in parallel in the front and at the back and are connected, so that the two signal transmission assemblies have the same structure, and the same mould is used for processing, thereby reducing the production cost of the connector; the two signal transmission assemblies are arranged side by side in the front and back direction instead of being arranged in an up-down stacking mode, the height of the connector can be reduced, and the connector can be installed and used under the condition that the space height is limited.

Description

A kind of interface unit

Technical Field

The invention relates to the technical field of connectors, in particular to a connector.

Background

The high-speed connector is a connector product with strong transmission capability in all connector product types at present, and is applied to various industries.

The existing mini high-speed connector comprises two module assemblies, conductive terminals of the two module assemblies are arranged side by side in the front and at the back, and the two module assemblies are stacked up and down and arranged in a staggered mode. Although it can meet the signal transmission requirements of certain conditions. However, under the conditions that the height of the installation space is limited and the requirement on the transmission performance is not changed, the installation and the use cannot be realized due to the fact that the upper layer and the lower layer are arranged in a stacked mode.

Moreover, the two module assemblies are stacked up and down and arranged in a staggered manner, so that at least the conductive terminals have different structures, two sets of dies are needed in the connector processing process, the number of processing dies is large, and the production cost is high.

Therefore, a connector is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a connector which can reduce the height of the connector on the premise of meeting the signal transmission requirement and can be installed and used under the condition of limited space height.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a connector, includes two signal transmission assembly, two set up side by side around the signal transmission assembly, and be connected, signal transmission assembly includes:

a first insulating block;

the terminal assembly comprises a plurality of conductive terminals arranged at intervals, the conductive terminal is embedded in the first insulating block, and the conductive terminals respectively extend out of a contact part and a connecting part towards the first side and the second side of the first insulating block;

and the signal wire of the conducting wire is connected to the connecting part of the conducting terminal, and the conducting wire of the signal transmission assembly in front is positioned at the second side of the signal transmission assembly in back.

As a preferred technical scheme of a connector, the signal transmission subassembly still includes the shielding piece, and it includes shielding shell and certainly a plurality of shielding terminals that shielding shell extends, the shielding shell is located first insulating block, connecting portion with the wire with the outside of the one end that connecting portion link to each other, the shielding terminal with the contact site sets up side by side, adjacent two be provided with one or two between the shielding terminal the contact site.

As a preferred technical solution of the connector, a first connection post is disposed on a front side of the first insulation block, a first connection hole is disposed on the shield, and the first connection post penetrates through the first connection hole.

As a preferable technical solution of the connector, the connector further includes a first base and a second base, the first base connects the two first insulating blocks, and the second base is disposed at a rear side of the first insulating block at the rear.

As a preferred technical scheme of the connector, the rear side of the first insulating block is provided with a second connecting column, the front and rear sides on the first base and at least the front side of the second base are provided with second connecting holes, the front side of the first insulating block is provided with the second connecting column and the rear side of the first insulating block, the first connecting column of the first insulating block is inserted into the second connecting holes on the front and rear sides of the first base, and the second connecting column of the first insulating block is inserted into the second connecting holes of the second base.

As a preferred embodiment of the connector, the connector further includes a housing, the signal transmission assembly is partially disposed in the housing, and the second sides of the contact portion, the shielding terminal, the first base, and the second base are disposed to be exposed to the housing.

As a preferred technical scheme of the connector, the inner walls of the left and right sides of the housing are provided with connecting grooves, the left and right sides of the first insulating block, the first base and the second base are provided with connecting protrusions matched with the connecting grooves, and the connecting protrusions extend into the connecting grooves;

the two sides of the second base are provided with limiting bulges, and the shell is provided with limiting grooves matched with the limiting bulges.

As a preferable technical solution of the connector, the connector further includes a second insulating block, the second insulating block is disposed between the first side of the first base, the second base, and the shield and the housing, and the wire is partially embedded in the second insulating block.

As a preferred technical solution of the connector, the conducting wire is a differential signal wire, and two conductive terminals are arranged between two adjacent shielding terminals;

two conductive terminals between two adjacent shielding terminals correspond to one differential signal line, two signal lines of the differential signal line are respectively connected to the connecting parts of the two conductive terminals, and a ground wire of the differential signal line is connected to the shielding shell.

As a preferred technical solution of the connector, a plurality of supporting blocks are arranged on the first insulating block at intervals, the supporting blocks are arranged corresponding to the shielding terminals and located on the first side of the first insulating block, and the supporting blocks are attached to the inner surface of the shielding shell.

The invention has the beneficial effects that:

the two signal transmission assemblies are arranged in parallel in the front and at the back and are connected, so that the two signal transmission assemblies have the same structure, and the same mould is used for processing, thereby reducing the production cost of the connector; two signal transmission assembly sets up side by side around, rather than range upon range of setting up from top to bottom, can reduce the height of connector, and under the limited condition of space height, this connector can install and use to satisfy the signal transmission demand.

Drawings

FIG. 1 is a first schematic view of a connector according to the present invention;

FIG. 2 is a second schematic structural view of the connector provided by the present invention;

FIG. 3 is a partial schematic view of a connector according to the present invention;

FIG. 4 is a second schematic view of a partial structure of the connector according to the present invention;

FIG. 5 is a schematic structural view of a signal transmission assembly and a first base provided by the present invention;

FIG. 6 is a schematic structural view of a signal transmission assembly and a second base provided by the present invention;

fig. 7 is a partial structural schematic view of a signal transmission assembly and a first base provided by the present invention;

FIG. 8 is a schematic structural view of a shield provided by the present invention;

fig. 9 is a first schematic structural view of a first insulating block and terminal assembly provided by the present invention;

fig. 10 is a second schematic structural view of a first insulating block and terminal assembly provided by the present invention;

fig. 11 is a schematic structural diagram of a first base provided by the present invention.

In the figure:

10. a signal transmission component; 101. a first insulating block; 1011. a first connecting column; 1012. a second connecting column; 1013. a support block;

102. a conductive terminal; 1021. a connecting portion; 1022. a fixed part; 1023. a contact portion;

103. a wire; 1031. a differential signal line; 1032. a ground line;

104. a shield; 1041. a shield case; 10411. a lead-in groove; 10412. accommodating grooves; 10413. anti-drop holes; 10414. a fixing hole; 1042. a shield terminal;

105. an insulating spacer block; 1051. fixing a column;

20. a first base; 201. a limiting bump; 202. a connecting projection; 203. an avoidance groove; 204. a second connection hole;

30. a second base;

40. a housing; 401. a positioning column;

50. a second insulating block;

60. and a stop block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1 to 11, the present embodiment discloses a connector, which includes two signal transmission assemblies 10, wherein the two signal transmission assemblies 10 are disposed side by side in front and back and connected to each other.

The signal transmission assembly 10 includes a first insulating block 101, a terminal assembly, a conductive wire 103 and a shielding member 104, the terminal assembly includes a plurality of conductive terminals 102 arranged at intervals, the conductive terminals 102 are partially embedded in the first insulating block 101, and the conductive terminals 102 respectively extend to a first side and a second side of the first insulating block 101 to form a contact portion 1023 and a connecting portion 1021. The signal line of the wire 103 is connected to the connecting portion 1021 of the conductive terminal 102, and the wire 103 of the front signal transmission assembly 10 is located at the second side of the rear signal transmission assembly 10. The shield 104 includes a shield shell 1041 and a plurality of shield terminals 1042 extending from the shield shell 1041, the shield shell 1041 is located outside one end of the first insulating block 101, the connecting portion 1021 and the conducting wire 103 connected to the connecting portion 1021, the shield terminals 1042 and the contact portions 1023 are arranged side by side, and one or two contact portions 1023 are arranged between two adjacent shield terminals 1042. In this embodiment, two contact portions 1023 are disposed between two adjacent shielding terminals 1042, that is, two conductive terminals 102 are disposed between two adjacent shielding terminals 1042.

Specifically, the conductive terminal 102 includes a connecting portion 1021, a fixing portion 1022 and a contact portion 1023 connected in sequence, wherein the connecting portion 1021 and the fixing portion 1022 are disposed at an included angle, and the fixing portion 1022 and the contact portion 1023 are disposed at an included angle. The conductive line 103 is a differential signal line 1031 that includes two signal lines and one ground line 1032. Two conductive terminals 102 are disposed between two adjacent shielding terminals 1042, the two conductive terminals 102 correspond to one differential signal line 1031, two signal lines of the differential signal line 1031 are respectively connected to the connecting portions 1021 of the two conductive terminals 102, and the ground line 1032 of the differential signal line 1031 is connected to the shielding shell 1041. The signal wire is flattened and then welded with the connecting part 1021, so that the contact area between the signal wire and the connecting part 1021 can be increased, and the welding reliability can be improved.

A plurality of supporting blocks 1013 are disposed at intervals on the first insulating block 101, the supporting blocks 1013 are disposed corresponding to the shielding terminals 1042 and located at a first side of the first insulating block 101, and the supporting blocks 1013 are attached to an inner surface of the shielding shell 1041. The support blocks 1013 serve as supports to prevent the shield 104 from collapsing, and also to ensure a space between the shield 104 and the conductive terminal 102 to prevent the shield 104 and the conductive terminal 102 from short-circuiting.

Preferably, the signal transmission assembly 10 further includes an insulating spacer 105 disposed between the shield case 1041 and the connection portion 1021. In this embodiment, the insulating isolation block 105 is fixed on the inner side of the shielding element 104, specifically, a fixing hole 10414 is provided on the shielding element 104, a fixing column 1051 is provided on the insulating isolation block 105, and the fixing column 1051 is inserted into the fixing hole 10414. The outer diameter of the end of the fixing hole 10414 close to the outer side of the shield 104 is larger than the outer diameter of the end close to the insulating spacer 105, so that the insulating spacer 105 is prevented from falling off from the shield 104. The insulating spacer 105 is formed on the shield 104 by injection molding and assembled with the shield 104. In other embodiments, the insulating spacer 105 may be fixed to the shielding shell 1041 by means of adhesion. The insulating isolation block 105 isolates the connection portion 1021 between the shielding shell 1041 and the conductive terminal 102, so as to prevent the shielding shell 1041 or the connection portion 1021 from collapsing to cause short circuit.

In this embodiment, the rear end of the shielding shell 1041 is provided with a V-shaped lead-in slot 1041, the shielding shell 1041 is provided with an accommodating slot 10412, which is disposed in one-to-one correspondence with the lead-in slot 10411 and is communicated with the lead-in slot 1041, and one end of the accommodating slot 10412 close to the lead-in slot 1041 is provided with an anti-falling hole 10413. The ground wire 1032 is guided into the groove bottom of the V-shaped guide groove 1041, bent and welded to the shielding element 104, and specifically, the ground wire 1032 is guided into the anti-falling hole 10413 through the guide groove 1041, then bent, placed in the accommodating groove 10412, and then fixed to the shielding shell 1041 by welding, so as to achieve mechanical and electrical connection between the ground wire 1032 and the shielding shell 1041.

In other embodiments, the shielding shell 1041 is provided with positioning holes, and the ground wire 1032 is inserted into the positioning holes and then welded to the shielding shell 1041, so as to achieve mechanical and electrical connection between the ground wire 1032 and the shielding shell 1041.

The front side of the first insulating block 101 is provided with a first connecting column 1011, the shielding member 104 is provided with a first connecting hole, and the first connecting column 1011 penetrates through the first connecting hole. The root of the first connecting column 1011 is provided with a containing and cutting groove, so that the influence of hanging plastic accumulation on the matching flatness can be avoided. After the first connecting column 1011 is inserted into the first connecting hole, the fixing of the first connecting column 1011 and the first connecting hole is realized through a hot riveting mode. The first connecting columns 1011 and the first connecting holes are multiple, preferably three in this embodiment, so that the relative position of the first insulating block 101 and the shielding element 104 can be prevented from being dislocated.

Preferably, the connector further includes a first base 20 and a second base 30, the first base 20 connects the two first insulating blocks 101, and the second base 30 is disposed at a rear side of the rear first insulating block 101.

The rear side of the first insulating block 101 is provided with a second connection post 1012, and the front and rear sides of the first base 20 and at least the front side of the second base 30 are provided with second connection holes 204. The second connection column 1012 of the front first insulation block 101 and the first connection column 1011 of the rear first insulation block 101 are respectively inserted into the second connection holes 204 at the front and rear sides of the first base 20, and the second connection column 1012 of the rear first insulation block 101 is inserted into the second connection hole 204 of the second base 30. The first base 20 functions to connect the two signal transmission members 10.

The first sides of the first base 20 and the second base 30 are provided with a plurality of avoiding grooves 203 at intervals, the avoiding grooves 203 are arranged in one-to-one correspondence with the conductive terminals 102, and the avoiding grooves 203 can accommodate one ends of the contact portions 1023 far away from the fixing portions 1022. The opening of the avoiding groove 203 is in a trumpet shape, so that the chamfer angle is increased, and the contact part 1023 can conveniently and smoothly enter the avoiding groove 203.

Preferably, the connector further includes a housing 40 and a stop block 60, wherein a portion of the signal transmission assembly 10, the first base 20 and the second base 30 are disposed in the housing 40, and the contact portion 1023, the shielding terminal 1042, and the second sides of the first base 20 and the second base 30 are disposed exposed from the housing 40. The inner side of the front end of the housing 40 is provided with a plurality of third connection holes, and the first connection posts 1011 on the front side of the first insulation block 101 of the front signal transmission assembly 10 are inserted into the third connection holes of the housing 40. Connecting grooves are formed in the inner walls of the left side and the right side of the shell 40, connecting protrusions 202 matched with the connecting grooves are formed in the left side and the right side of the first insulating block 101, the first base 20 and the second base 30, and the connecting protrusions 202 stretch into the connecting grooves. The two sides of the second base 30 are provided with limit protrusions, and the housing 40 is provided with limit grooves matched with the limit protrusions. After the second base 30 is inserted into the housing 40, the limiting protrusion is matched with the limiting groove for limiting, so as to prevent the signal transmission assembly 10, the first base 20 and the second base 30 from falling off from the housing 40. A stopper 60 is disposed at the rear of the second base 30, and the stopper 60 is fixed to the housing 40 to serve as a stopper.

The housing 40 is provided with two positioning posts 401 at a first side, respectively at the left and right sides, the positioning posts 401 are used for positioning when the connector is mounted.

A plurality of limiting bumps 201 are arranged on the first base 20 and the second base 30 at intervals, the limiting bumps 201 are located on the first sides of the first base 20 and the second base 30, the number and the positions of the limiting bumps 201 and the shielding terminals 1042 are matched, the limiting bumps 201 are attached to the inner surface of the shielding shell 1041, and the wires 103 are located in limiting grooves formed by two adjacent limiting bumps 201.

Preferably, the connector further comprises a second insulating block 50, the second insulating block 50 being arranged between the first side of the first base 20, the second base 30 and the shield 104 and the housing 40, the conductor 103 being partially embedded in the second insulating block 50. The second insulating block 50 is formed by performing potting after the signal transmission assembly 10, the first base 20 and the second base 30 are installed in the housing 40, and then forming the second insulating block 50. Due to the existence of the limiting bump 201, the glue solution can be prevented from entering between the shielding element 104 and the conductive terminal 102 in the glue pouring process, and the signal transmission performance of the conductive terminal 102 is ensured.

The processing and assembling process of the connector is as follows:

1. processing the conductive terminals 102;

2. injection molding the first insulating block 101 to embed the conductive terminals 102 partially in the first insulating block 101;

3. a bonding wire 103 for bonding the differential signal line 1031 to the conductive terminal 102;

4. assembling the shield 104, assembling the shield 104 on the first insulating block 101, and soldering the ground wire 1032 to the shield 104;

5. assembling the first base 20 and the second base 30;

6. assembling the two signal transmission members 10, the first base 20 and the second base 30 into the housing 40;

7. glue is poured to form a second insulating block 50;

8. the stopper 60 is injection molded with glue.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A connector, comprising two signal transmission members (10), wherein the two signal transmission members (10) are arranged side by side in front and behind and connected to each other, and wherein the signal transmission member (10) comprises:

a first insulating block (101);

the terminal assembly comprises a plurality of conductive terminals (102) arranged at intervals, wherein the conductive terminals (102) are partially embedded in the first insulating block (101), and contact parts (1023) and connecting parts (1021) respectively extend out of the conductive terminals (102) to the first side and the second side of the first insulating block (101);

and the signal line of the conducting wire (103) is connected to the connecting part (1021), and the conducting wire (103) of the signal transmission assembly (10) at the front is positioned at the second side of the signal transmission assembly (10) at the rear.

2. The connector according to claim 1, wherein the signal transmission assembly (10) further comprises a shield member (104) including a shield shell (1041) and a plurality of shield terminals (1042) extending from the shield shell (1041), the shield shell (1041) is located outside the first insulating block (101), the connecting portion (1021) and one end of the conductive wire (103) connected to the connecting portion (1021), the shield terminals (1042) and the contact portions (1023) are arranged side by side, and one or two of the contact portions (1023) are arranged between two adjacent shield terminals (1042).

3. The connector of claim 2, wherein the front side of the first insulating block (101) is provided with a first connecting column (1011), the shield (104) is provided with a first connecting hole, and the first connecting column (1011) is arranged through the first connecting hole.

4. The connector according to claim 3, further comprising a first base (20) and a second base (30), the first base (20) connecting two of the first insulating blocks (101), the second base (30) being disposed at a rear side of the first insulating block (101) at a rear.

5. The connector according to claim 4, wherein a rear side of the first insulating block (101) is provided with a second connection post (1012), front and rear sides on the first base (20) and at least a front side of the second base (30) are each provided with a second connection hole (204), the second connection post (1012) of the front first insulating block (101) and the first connection post (1011) of the rear first insulating block (101) are respectively inserted into the second connection holes (204) of the front and rear sides of the first base (20), and the second connection post (1012) of the rear first insulating block (101) is inserted into the second connection hole (204) of the second base (30).

6. The connector according to claim 4, further comprising a housing (40), wherein the signal transmission member (10) is partially disposed within the housing (40), and wherein the contact portion (1023), the shield terminal (1042), and second sides of the first base (20) and the second base (30) are disposed to be exposed to the housing (40).

7. The connector according to claim 6, wherein the inner walls of the left and right sides of the housing (40) are provided with connecting grooves, the left and right sides of the first insulating block (101), the first base (20) and the second base (30) are provided with connecting protrusions (202) matched with the connecting grooves, and the connecting protrusions (202) extend into the connecting grooves;

the two sides of the second base (30) are provided with limiting bulges, and the shell (40) is provided with limiting grooves matched with the limiting bulges.

8. The connector of claim 6, further comprising a second insulating block (50), the second insulating block (50) being disposed between the first side of the first base (20), the second base (30) and the shield (104) and the housing (40), the wires (103) being partially embedded within the second insulating block (50).

9. The connector of claim 2, wherein the conductive wires (103) are differential signal wires (1031), and two conductive terminals (102) are disposed between two adjacent shield terminals (1042);

the two conductive terminals (102) between the two adjacent shielding terminals (1042) correspond to one differential signal line (1031), the two signal lines of the differential signal line (1031) are respectively connected to the connecting parts (1021) of the two conductive terminals (102), and the ground line (1032) of the differential signal line (1031) is connected to the shielding shell (1041).

10. The connector of claim 2, wherein a plurality of supporting blocks (1013) are spaced on the first insulating block (101), the supporting blocks (1013) are disposed corresponding to the shielding terminals (1042) and located on a first side of the first insulating block (101), and the supporting blocks (1013) are attached to an inner surface of the shielding shell (1041).