TWI742678B - Connector - Google Patents

Abstract

A connector includes an insulating body, a terminal assembly and a metal shell. The front end of the insulating body includes a front end surface and a slope surface. The front end surface and the slope surface are arranged at an angle and connected. The slope surface is connected to the upper surface of the insulating body and is obtuse with the upper surface. The front end surface is connected to the lower surface of the insulating body. The front end of the insulating body is provided with a docking slot. The terminal assembly is arranged in the insulating body. Part of the terminal assembly is exposed in the docking slot. The bottom surface of the docking slot near the opening is set horizontally. A block is inserted horizontally at the bottom of the docking slot. The front end of the terminal assembly is contained in the block. The metal shell covers the side and upper surface of the insulating body. A docking interface matches the docking slot is arranged on the metal shell.

Description

Connector

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

With the gradual increase in the functional integration of electronic products, the transmission reliability of the electrical connector is getting higher and higher. Some solutions need to achieve insulation requirements for the metal sheet to meet the electronic characteristics of the product.

At present, the plug-in end of the widely used connector has a right-angle structure, and it is inconvenient to plug and unplug the connector without a guide structure. Moreover, the insulating body in the connector is also a right-angle structure, which is inconvenient for demolding after injection molding.

Therefore, there is a great need for a connector to solve the above technical problems.

The object of the present invention is to provide a connector which is easy to plug and unplug with a mating connector.

To achieve this goal, the present invention adopts the following technical solutions:

Provide a connector including:

The front end of the insulating body includes a front end surface and a slope surface arranged at an included angle and connected. The slope surface is connected to the upper surface of the insulating body and forms an obtuse angle with the upper surface of the insulating body. The front end surface is connected to the lower surface of the insulating body. The front end of the main body is provided with a docking groove;

The terminal assembly is arranged in the insulating body, and the terminal assembly is partially exposed in the butting groove;

Packing block, the bottom surface of the butting groove is horizontally arranged near the opening, the packing block is horizontally inserted into the bottom of the butting groove, and the front end of the terminal assembly is accommodated in the packing block;

The metal shell is wrapped on the side and upper surface of the insulating body, and the metal shell is provided with a butting interface matching the butting groove.

Preferably, the terminal assembly includes a first insulating block, a second insulating block and a plurality of conductive terminals arranged side by side;

The conductive terminal includes a connecting part, a supporting part and an elastic part connected in sequence, the connecting part and the supporting part are arranged at an angle, and the elastic part is exposed in the mating groove and can abut against the terminal of the mating connector;

The first insulating block is formed on the connecting part of the conductive terminal, and the second insulating block is formed on the supporting part of the conductive terminal.

Preferably, the second insulating block is provided with a plurality of first receiving slots that match the conductive terminals, the insulating body is provided with second receiving slots corresponding to the first receiving slots one-to-one, and the elastic part is located in the first receiving slot or In the second storage slot.

Preferably, the two side walls at the bottom of the butting groove are provided with first insertion grooves, and both sides of the packing block are inserted into the first insertion grooves;

The bottom surface of the stuffing block and the bottom surface of the butting groove, one of which is provided with a first stop block, and the other is provided with a second stop block matched with the first stop block, and the stuffing block is clamped to the bottom of the butting groove .

Preferably, it further includes a circuit board, the rear end of the insulating body is provided with a receiving groove, the circuit board is arranged in the receiving groove, and the connecting portion is connected to the circuit board.

Preferably, it further comprises a supporting block, the circuit board is arranged on the supporting block, the supporting block is arranged in the containing groove, and the first insulating block is clamped to the front end of the supporting block.

Preferably, it further includes a filter module, the support block is provided with a containing cavity, the filter module is arranged in the containing cavity, and the filter module is electrically connected to the circuit board.

Preferably, the metal shell is formed by a stamping process.

Preferably, the metal shell has two first elastic pieces extending inward at the docking interface, and avoiding grooves are provided on both side walls of the butting groove, the first elastic pieces are at least partially located in the avoiding grooves, and the first elastic pieces can Press against the butt connector.

Preferably, the angle between the slope surface and the front end surface is 15°-25°.

Preferably, a limited protrusion is provided on the bottom surface of the insulating body.

The beneficial effects of the present invention:

The slope surface is inclined backward, and the slope surface acts as a guide to facilitate the insertion of the connector into the docking connector; due to the slope surface, the contact area with the docking connector is reduced, and the connector is also convenient to move the connector from the docking connector. Unplug. Moreover, the slope face is inclined backward to facilitate demolding during injection molding.

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments These are a part of the embodiments of the present invention, but not all of the embodiments. The elements of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person with ordinary knowledge in the field without creative work shall fall within the protection scope of the present invention.

It should be noted that similar numbers and letters indicate similar items in the following figures. Therefore, once a certain item is defined in a figure, there is no need to further define and explain it in the following figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or The position relationship is based on the position or position relationship shown in the diagram, or the position or position relationship usually placed when the product of the invention is used. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the pointed device Or the element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing description, and cannot be understood as indicating or implying relative importance. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "set" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or Integrally connected; it can be a mechanical connection or an electrical connection. For those with general knowledge in the field, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless expressly stipulated and defined otherwise, the "on" or "under" of the first feature of the second feature may include direct contact between the first and second features, or may include the first and second features. Not in direct contact but through other features between them. Moreover, "above", "above" and "above" the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than that of the second feature. The “below”, “below” and “below” of the second feature of the first feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present invention, but should not be understood as a limitation to the present invention.

As shown in FIGS. 1 to 4, this embodiment discloses a connector, which includes an insulating body 1, a terminal assembly 2, a metal shell 3 and a plug 5. The front end of the insulating body 1 includes a front end surface 12 and a slope surface 11 that are arranged at an included angle and are connected. The included angle β between the slope surface 11 and the front end surface 12 is 15°<β<25°; preferably, β=18 in this embodiment. °. The slope surface 11 is connected to the upper surface of the insulating body 1 and forms an obtuse angle with the upper surface of the insulating body 1, that is, the slope surface 11 is inclined backward. The front end surface 12 is connected to the lower surface of the insulative housing 1. The front end of the insulative housing 1 is provided with a docking groove 13. The docking groove 13 is arranged perpendicular to the front end surface 12 and can be mated with a common docking connector. The terminal assembly 2 is disposed in the insulating body 1, and a part of the terminal assembly 2 is exposed in the mating groove 13. The bottom surface of the docking groove 13 is horizontally arranged near the opening, and the bottom wall of the front end of the docking groove 13 is horizontally arranged. The packing block 5 blocks the opening of the docking groove 13 on the front end surface 12, and the docking connector is inserted into the docking groove 13 from the opening of the docking groove 13 above the packing block 5. The metal shell 3 covers the side and upper surface of the insulating body 1, and the metal shell 3 is provided with a docking port 31 matching the docking groove 13.

The part of the opening in the docking groove 13 of the connector for the insertion of the docking connector is located on the slope surface 11, the slope surface 11 is set to be inclined backward, and the slope surface 11 plays a guiding role, which is convenient for inserting the connector into the docking connector; 11. The contact area with the docking connector is reduced, and the connector can be easily pulled out from the docking connector. Moreover, the slope surface 11 is inclined backward to facilitate demolding during injection molding.

Specifically, as shown in FIG. 3 and FIG. 4, a limit protrusion 15 is provided on the bottom surface of the insulating body 1. The limiting protrusion 15 is cross-shaped, which is convenient for the limiting and fixing of the connector, and compared with the cylindrical shape, the cross-shaped shape is not easy to deform. Since the front end of the insulating body 1 needs to be inserted into the mating connector, the front end of the insulating body 1 protrudes upward, and the mating groove 13 is mostly located on the protruding part. A card interface 133 is provided on the top wall of the docking slot 13, and the docking connector can be snapped into the connector after being inserted into the connector, and will not fall off by itself. There are also weight-reducing slots on both sides of the card interface 133, and the weight-reducing slots can reduce the quality of the insulating body 1, thereby reducing the overall quality of the connector.

As shown in FIGS. 5 to 8, the terminal assembly 2 includes a first insulating block 22, a second insulating block 23 and a plurality of conductive terminals 21 arranged side by side along the width direction of the insulating body 1. The material of the conductive terminal 21 is copper or copper alloy. The conductive terminal 21 includes a connecting portion 211, a supporting portion 212, and an elastic portion 213 connected in sequence. The connecting portion 211 and the supporting portion 212 are arranged at an angle, and the angle between the two is about 90°. The elastic portion 213 is bent upward relative to the supporting portion 212, and the inside of the inclined mating groove 13 is arranged obliquely. The terminal 21 can abut against the terminal of the mating connector to conduct the connector and the mating connector.

The first insulating block 22 is formed on the connecting portion 211 of the conductive terminal 21, and the second insulating block 23 is formed on the supporting portion 212 of the conductive terminal 21. The first insulating block 22 and the second insulating block 23 serve as a carrier of the conductive terminal 21 and play a role of fixing and supporting the conductive terminal 21. The bottom wall of the rear end of the docking slot 13 is inclined downward, and the second insulating block 23 is attached to the bottom wall of the docking slot 13. The upper surface of the second insulating block 23 is provided with a first receiving protrusion, a plurality of first receiving grooves 232 are provided on the first receiving protrusion, and a second receiving protrusion is provided in the insulating body 1. The receiving protrusion is provided with a second receiving groove 16 corresponding to the first receiving groove 232 in a one-to-one correspondence. The free end of the elastic portion 213 is initially located in the second receiving groove 16. When the elastic portion 213 is pressed by the docking connector and moves toward the second insulating block 23, the elastic portion 213 can fall into the first receiving groove 232.

Optionally, as shown in Figs. 2 to 4 and Figs. 7 to 9, the connector further includes a supporting block 4, a circuit board 6, and a filter module. The rear end of the insulating body 1 is provided with a receiving groove 14 communicating with the docking groove 13, the circuit board 6 is arranged at the bottom of the receiving groove 14, and the connecting portion 211 is connected to the circuit board 6, specifically connected to the circuit board 6 by welding. The circuit board 6 is arranged on the support block 4, the support block 4 is provided with a receiving cavity 41, the filter module is horizontally arranged in the receiving cavity 41, and the filter module is electrically connected to the circuit board 6. The supporting block 4 is horizontally arranged in the containing groove 14, and the supporting block 4 is inserted into the containing groove 14 in a horizontal direction by plugging. Both left and right inner walls of the accommodating groove 14 are provided with slide grooves 141, and the left and right sides of the support block 4 are slidably inserted into the slide grooves 141.

The first insulating block 22 is clamped to the front end of the support block 4. Specifically, the left and right sides of the front end of the support block 4 are provided with connecting blocks protruding forward, and the inner side of the connecting block is provided with an inclined clamping groove 42. The first insulating block Both the left and right ends of 22 are provided with first clamping protrusions 221, the first insulating block 22 is inserted into the clamping groove 42 obliquely, and the first clamping protrusion 221 abuts on the inner wall of the upper end of the clamping groove 42. In order to clamp the first insulating block 22 in the clamping groove 42. A second insertion slot 17 is provided in the insulating body 1, and the second insulating block 23 is inserted into the second insertion slot 17, and the second insertion slot 17 supports and limits the second insulating block 23 . The left and right ends of the second insulating block 23 are provided with second clamping protrusions 231, and the second clamping protrusions 231 are clamped in the second insertion groove 17.

As shown in Figs. 5, 8 and 10, the filling block 5 is provided with a receiving groove 54 corresponding to the conductive terminal 21, and both the left and right inner walls at the bottom of the mating groove 13 are provided with first insertion grooves 132, Inserting protrusions 52 are provided on both sides of the stuffing block 5, and the inserting protrusions 52 are inserted into the first inserting groove 132. The stuffing block 5 is made of silicon rubber. After the plugging block 5 is inserted into the first insertion groove 132, the front end of the conductive terminal 21 is inserted into the receiving groove 54, and the plugging block 5 provides support for the front end of the conductive terminal 21. The bottom surface of the stuffing block 5 and the bottom surface of the butting groove 13, one of which is provided with a first stop block 18, and the other is provided with a second stop block 51 matching the first stop block 18, the stuffing block 5 is clamped Connected to the bottom of the docking slot 13. Preferably, in this embodiment, the first stop block 18 is arranged on the bottom surface of the butting groove 13, the second stop block 51 is arranged on the bottom surface of the caulking block 5, and the first stop block 18 is a wedge-shaped block whose upper surface It is arranged obliquely, and the vertical surface is located on the inner side of the butting groove 13. A through groove 53 is provided below the stuffing block 5, and the second stopping block 51 is arranged in the through slot 53. The second stopping block 51 is a wedge-shaped block whose lower surface is inclined and the vertical surface is located outside the stuffing block 5. When the stuffing block 5 is inserted into the first inserting groove 132, the first inserting slot 132 restricts the stuffing block 5 up and down. After insertion, the second stopper 51 is located behind the inner side of the first stopper 18. The vertical surfaces of the stop block 18 and the second stop block 51 are in contact with each other, and play a role of limiting the position, so as to prevent the packing block 5 from falling out of the first insertion groove 132. After the stuffing block 5 is inserted into the first insertion groove 132, the stuffing block 5 is also restricted by the metal shell 3.

As shown in FIGS. 1 and 11, the metal shell 3 is formed by a stamping process. Specifically, a complete metal sheet is stamped and bent to form an integrally formed metal shell 3. The integral design of the metal shell 3 facilitates the assembly of the metal shell 3 on the outside of the insulating body 1 without various splicing. The metal shell 3 has two first elastic pieces 32 extending inwardly at the mating interface 31. Both side walls of the mating groove 13 are provided with escape grooves 131. The first elastic pieces 32 are at least partially located in the escape groove 131. An elastic piece 32 can be pressed against the butt connector. At the edges where each surface of the metal shell 3 overlaps, the inner side of the overlapped side is provided with a stopper protrusion, and the outer side of the overlapped side is provided with a limit groove, and the two cooperate to limit the position. On the metal shell 3, a second elastic sheet 33 is formed by punching on the front ends of the left and right sides and the rear end of the upper surface.

Obviously, the foregoing embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those with ordinary knowledge in the field, other changes or changes in different forms can be made on the basis of the above description. It is unnecessary and impossible to list all the implementation methods here. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the patent application of the present invention.

1: Insulating body 11: Slope surface 12: Front face 13: Docking slot 131: Avoidance Slot 132: first socket 133: card interface 14: holding tank 141: Chute Groove 15: Limit bump 16: second storage slot 17: The second socket 18: The first stop 2: terminal assembly 21: Conductive terminal 211: Connection 212: Support 213: Elastic part 22: The first insulating block 221: The first card connection protrusion 23: The second insulating block 231: second snap connection protrusion 232: first storage slot 3: Metal shell 31: Pair interface 32: The first elastic sheet 33: second elastic sheet 4: Support block 41: receiving cavity 42: card slot 5: stuffing block 51: second stop 52: Socket protrusion 53: Through slot 54: Containment Slot 6: Circuit board

[Figure 1] is a schematic diagram of the structure of the connector provided by the present invention. [Figure 2] is a side view of the insulating body provided by the present invention. [Figure 3] is the first structural diagram of the connector provided by the present invention (excluding the metal shell). [Figure 4] is the second structural diagram of the connector provided by the present invention (excluding the metal shell). [Figure 5] is a partial structural diagram of the connector provided by the present invention. [Figure 6] is a schematic diagram of the structure of the terminal assembly provided by the present invention. [Figure 7] is the first structural diagram of the insulating body provided by the present invention. [Figure 8] is the second structural diagram of the insulating body provided by the present invention. [Figure 9] is a schematic diagram of the structure of the support block provided by the present invention. [Figure 10] is a cross-sectional view of the connector provided by the present invention. [Figure 11] is a schematic view of the structure of the metal casing provided by the present invention.

1: Insulating body

2: terminal assembly

3: Metal shell

32: The first elastic sheet

33: second elastic sheet

54: Containment Slot

Claims (10)

A connector includes: an insulating body, the front end includes a front end surface and a slope surface arranged at an included angle and connected, the slope surface is connected to the upper surface of the insulating body, and is at an obtuse angle with the upper surface of the insulating body, The front end surface is connected to the lower surface of the insulating body, and the front end of the insulating body is provided with a mating groove; a terminal assembly is arranged in the insulating body, and the terminal assembly is partially exposed in the mating groove, wherein the terminal assembly includes A first insulating block, a second insulating block and a plurality of conductive terminals arranged side by side. The conductive terminal includes a connecting part, a supporting part and an elastic part connected in sequence, and the connecting part and the supporting part are arranged at an angle , The elastic part is exposed in the mating groove and can abut against the terminal of the mating connector, the first insulating block is formed on the connecting part of the conductive terminal, and the second insulating block is formed on the support of the conductive terminal A stuffing block, the docking groove is set horizontally near the bottom surface of the opening, the stuffing block is horizontally inserted into the bottom of the docking slot, the front end of the terminal assembly is accommodated in the stuffing block, wherein the stuffing block is provided with A receiving groove corresponding to the conductive terminal, part of the support part and part of the elastic part are accommodated in the receiving groove; and a metal shell covering the side and upper surface of the insulating body, the metal The shell is provided with a docking interface matching the docking groove. For the connector according to claim 1, a plurality of first receiving slots matching the conductive terminals are provided on the second insulating block, and a one-to-one corresponding to the first receiving slot is provided in the insulating body. The second accommodating groove, the elastic part is located in the first accommodating groove or the second accommodating groove. The connector according to claim 1, wherein two side walls at the bottom of the mating groove are provided with a first insertion groove, and both sides of the plug block are inserted into the first plug groove; and On the bottom surface and the bottom surface of the butting groove, one of them is provided with a first stop block, and the other is provided with a second stop block matched with the first stop block, and the stuffing block is clamped in the butting groove bottom of. The connector according to claim 1, further comprising a circuit board, the rear end of the insulating body is provided with an accommodating groove, the circuit board is arranged in the accommodating groove, and the connecting portion is connected to the circuit board. The connector according to claim 4, further comprising a supporting block, the circuit board is arranged on the supporting block, the supporting block is arranged in the receiving groove, and the first insulating block is clamped to the front end of the supporting block. The connector according to claim 5, further comprising a filter module, the support block is provided with a receiving cavity, the filter module is arranged in the receiving cavity, and the filter module is electrically connected to the circuit board. The connector according to claim 1, wherein the metal shell is formed by a stamping process. The connector according to claim 1, wherein the metal shell has two first elastic pieces extending inwardly at the pair of interfaces, and both side walls of the mating groove are provided with an escape groove, and the first The elastic sheet is at least partially located in the avoiding groove, and the first elastic sheet can be pressed against the butting connector. The connector according to claim 1, wherein the angle between the slope surface and the front end surface is 15°-25°. The connector according to claim 1, wherein a limiting protrusion is provided on the bottom surface of the insulating body.

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