阅读说明：本技术 一种电路基板用电连接器 (Electric connector for circuit substrate ) 是由 禤志华 张勇 李国辉 谢汝辉 许杰 吴海生 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种电路基板用电连接器,包括转接结构和联接结构；所述联接结构的一端固定在电路基板预留的外接电路上,所述转接结构与所述联接结构配合固定；所述联接结构设有联接壳体和与外接电路连通的联接组件；所述联接壳体的一端固定在电路基板上,所述联接组件的一端放置在所述联接壳体内,所述联接组件的另一端固定在所述联接壳体的另一端、且向外延伸；所述联接组件设有插头壳体、插针结构和链接片；所述插针结构安装在所述插头壳体内,所述链接片的连接端与所述插针结构连通,所述链接片的贴合端与外接电路连通；所述链接片的贴合端的尾部设有固定予电路基板的加固件,所述链接片与联接壳体相对的表面设有锁紧件。(The invention discloses an electric connector for a circuit substrate, which comprises a switching structure and a connecting structure, wherein the switching structure is provided with a plurality of connecting holes; one end of the connecting structure is fixed on an external circuit reserved on the circuit substrate, and the switching structure is matched and fixed with the connecting structure; the connecting structure is provided with a connecting shell and a connecting component communicated with an external circuit; one end of the coupling shell is fixed on the circuit substrate, one end of the coupling component is placed in the coupling shell, and the other end of the coupling component is fixed at the other end of the coupling shell and extends outwards; the connecting component is provided with a plug shell, a contact pin structure and a linking piece; the pin structure is arranged in the plug shell, the connecting end of the linking piece is communicated with the pin structure, and the attaching end of the linking piece is communicated with an external circuit; the tail of the joint end of the linking piece is provided with a reinforcing piece fixed to the circuit substrate, and the surface of the linking piece opposite to the connecting shell is provided with a locking piece.)

1. An electrical connector for a circuit board, comprising: the device is provided with a switching structure and a connecting structure; one end of the connecting structure is fixed on an external circuit reserved on the circuit substrate, and the switching structure is matched and fixed with the connecting structure; the connecting structure is provided with a connecting shell and a connecting component communicated with an external circuit; one end of the coupling shell is fixed on the circuit substrate, one end of the coupling component is placed in the coupling shell, and the other end of the coupling component is fixed at the other end of the coupling shell and extends outwards; the connecting component is provided with a plug shell, a contact pin structure and a linking piece; the pin structure is arranged in the plug shell, the connecting end of the linking piece is communicated with the pin structure, and the attaching end of the linking piece is communicated with an external circuit; the tail of the joint end of the linking piece is provided with a reinforcing piece fixed to the circuit substrate, and the surface of the linking piece opposite to the connecting shell is provided with a locking piece.

2. The electrical connector for a circuit substrate according to claim 1, wherein: the bottom of the coupling shell is provided with a clamping block, a clamping gap of the clamping block is sleeved on the circuit substrate, and the coupling shell is fixed with the circuit substrate by a fixing piece penetrating through a fixing hole on the clamping block.

3. The electrical connector for a circuit substrate according to claim 1, wherein: the bottom of the connecting shell is provided with an inserting and pasting gap; the inserting and pasting gap is convenient for an external circuit to be inserted into the connecting shell and connected with the pasting end of the linking piece.

4. The electrical connector for a circuit substrate according to claim 3, wherein: a lock hole is arranged on the side surface of the connecting shell, and the lock hole is horizontally parallel to the lock hole in the range of the inserting gap; the top plate part of the coupling shell is provided with a placing groove for placing the linking pieces, and the bottom of the placing groove is communicated with the inserting and pasting gap.

5. The electrical connector for a circuit substrate according to claim 1, wherein: the surface of the plug shell is provided with a plurality of plug-in units; the plug-in component is convenient for the plug shell to be matched and inserted with the adapter structure; the plug-in is provided with a plug-in head and a plug-in rod which are connected end to end; the tip of the plug-in head and the outer edge of the plug shell are in the same vertical plane, and the tail end of the plug-in rod and the tail part of the protruding end of the contact pin in the contact pin structure are in the same vertical plane.

6. The electrical connector for a circuit substrate according to claim 1, wherein: the plug comprises a plug shell and is characterized in that a pin groove for placing a pin structure is formed in the plug shell, and a stepped pin convex part is arranged on the side surface of the pin groove.

7. The electrical connector for a circuit substrate according to claim 1, wherein: the switching structure is provided with a switching shell and a jack structure; the jack structure is installed inside the adapter shell, and the input end of the jack structure penetrates through the adapter shell to be connected with corresponding equipment.

8. The electrical connector for a circuit substrate as set forth in claim 7, wherein: the inner surface of the top plate of the adapter shell is provided with a plurality of grooves, and the grooves are matched with the plug-in units of the plug shell.

9. The electrical connector for a circuit substrate as set forth in claim 7, wherein: the plug comprises a plug shell, a plug pin and a plug shell, wherein the plug pin is arranged in the plug shell, and the plug pin is inserted into the plug shell.

Technical Field

The invention relates to the field of connectors, in particular to an electric connector for a circuit substrate.

Background

At present, a connector is one of the main parts of electronic products, and the connector not only provides data transmission but also provides current carrying, so that the connector can not be separated from miniature electronic equipment or bulky electronic assemblies; the connector used by the circuit substrate is assembled in corresponding equipment in advance in the process of packaging or assembling, so that steps for re-following are reduced for ordinary users, but if the connector is subjected to desoldering and poor welding in the packaging or using process, professional workers are required to disassemble and re-weld the equipment for assembling, and the conventional mode has the problems of complex process, high labor time consumption, high technical threshold, unstable factors, difficulty in control and the like.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides an electric connector for a circuit substrate.

The technical scheme of the invention is as follows: an electrical connector for a circuit board is provided with a switching structure and a connecting structure; one end of the connecting structure is fixed on an external circuit reserved on the circuit substrate, and the switching structure is matched and fixed with the connecting structure; the connecting structure is provided with a connecting shell 1 and a connecting component 2 communicated with an external circuit; one end of the coupling housing 1 is fixed on a circuit substrate, one end of the coupling assembly 2 is placed in the coupling housing 1, and the other end of the coupling assembly 2 is fixed at the other end of the coupling housing 1 and extends outwards; the coupling component 2 is provided with a plug shell, a pin structure 21 and a link plate 31; the pin structure 21 is installed in the plug housing, the connecting end of the linking piece 31 is communicated with the pin structure 21, and the attaching end of the linking piece 31 is communicated with an external circuit; the tail of the joint end of the linking piece 31 is provided with a reinforcing member 33 fixed to the circuit substrate, and the surface of the linking piece 31 opposite to the connecting shell 1 is provided with a locking member 32.

The preferable technical scheme is as follows: the bottom of the coupling shell 1 is provided with a clamping block 12, a clamping gap 15 of the clamping block 12 is sleeved on the circuit substrate, and the coupling shell 1 is fixed with the circuit substrate by a fixing piece penetrating through a fixing hole 13 on the clamping block 12.

The preferable technical scheme is as follows: the bottom of the connecting shell 1 is provided with an inserting gap 11; the insertion gap 11 facilitates the insertion of an external circuit into the coupling housing 1 and the connection with the attachment end of the link plate 31.

The preferable technical scheme is as follows: a lock hole 14 is arranged on the side surface of the connecting shell 1, and the lock hole 14 is horizontally parallel to the insertion gap 11; the top plate 41 of the coupling housing 1 is provided with a placing groove for placing the link plate 31, and the bottom of the placing groove is communicated with the insertion gap 11.

The preferable technical scheme is as follows: the surface of the plug shell is provided with a plurality of plug-in units 23; the plug 23 facilitates the plug housing to be inserted in a matching way with an adapter structure; the plug-in 23 is provided with a plug-in 23 head and a plug-in 23 rod which are connected end to end; the tip of the head of the plug-in 23 and the outer edge of the plug housing are in the same vertical plane, and the tail of the rod of the plug-in 23 and the tail of the protruding end of the pin in the pin structure 21 are in the same vertical plane.

The preferable technical scheme is as follows: the plug comprises a plug shell and is characterized in that a pin groove for placing a pin structure 21 is formed in the plug shell, and a stepped pin convex part 22 is formed on the side surface of the pin groove.

The preferable technical scheme is as follows: the switching structure is provided with a switching shell and a jack structure; the jack structure is installed inside the adapter shell, and the input end of the jack structure penetrates through the adapter shell to be connected with corresponding equipment.

The preferable technical scheme is as follows: the inner surface of the top plate 41 of the adaptor housing is provided with a plurality of grooves 42, and the grooves 42 are matched with the plug-in components 23 of the plug housing.

The preferable technical scheme is as follows: the inside of the adaptor housing is placed with the jack protrusions of the jack structure, which mate with the pin protrusions 22 of the plug housing.

The invention provides an electric connector for a circuit substrate, which has the following beneficial effects: firstly, the matching of the switching structure and the connecting structure realizes the rapid installation and disassembly of the relationship between the connector and the circuit substrate; therefore, a series of problems of high technical threshold, complex process, more consumed working hours and the like are solved; firstly, the connecting piece is attached to an external circuit of a circuit substrate, the attaching end of the connecting piece is attached and communicated with the external circuit by the aid of the fact that related fixing pieces such as screws penetrate through locking holes to be matched with locking pieces, then the fixing pieces penetrate through fixing holes in the connecting shell to fix the connecting shell and the circuit substrate, and finally, through the matching of the switching structure and the connecting structure, the purpose that professional workers do not need to detach the equipment and weld and assemble the equipment again is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the coupling structure of the present invention;

FIG. 2 is a schematic view of the insert construction of the present invention;

FIG. 3 is a schematic view of the coupling housing construction of the present invention;

FIG. 4 is a schematic view of a link plate structure according to the present invention;

FIG. 5 is a second schematic view of the structure of the link plate of the present invention;

fig. 6 is a schematic diagram of a groove structure of the adaptor housing of the present invention.

In the figure, 1, a coupling housing; 2. a coupling assembly; 3. (ii) a 11. Inserting and pasting gaps; 12. a bit block; 13. a fixing hole; 14. a lock hole; 15. a clamping gap; 21. a pin structure; 22. inserting a pin convex part; 23. a plug-in; 31. a linking piece; 32. a locking member; 33. a reinforcement; 34. a bump; 41. a top plate; 42. and (4) a groove.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "fixed," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 to 6, the present invention provides an electrical connector for a circuit substrate, which is connected to an external circuit of the circuit substrate through a connection structure; firstly, the circuit board is clamped on a reserved fixing position of the circuit board through a clamping gap 15 on a clamping block 12 on a connecting shell 1, and the circuit board and the connecting shell 1 are fixed through a fixing piece penetrating through a fixing hole 13 on the clamping block 12 and a reserved hole of the circuit board; when the two are fixed, the joint end of the linking piece 31 is jointed with the external circuit of the circuit substrate, so that the connection of the connecting shell 1 and the circuit substrate is realized, and then the switching structure is matched and fixed with the connecting structure, so that the electric connector for the circuit substrate, which can be conveniently detached and installed, is realized.

Example 1: in order to fix the clamping block 12 of the connecting shell 1 on a reserved fixed position of the circuit substrate and prevent electromagnetic interference on the circuit substrate, a shielding material for shielding the electromagnetic interference is coated on the clamping block 12 of the connecting shell 1; for example: coating conductive paint on three surfaces of the clamping gaps 15 of the clamping blocks 12; and spraying silver-copper conductive paint on one, two or three surfaces of the clamping gap 15, and then coating conductive paint with nickel metal particles on the surfaces of the conductive paint.

Preferably, a layer of cushion pad made of rubber is adhered to the surfaces of the conductive paint on the three surfaces of the clamping gap 15; a plurality of convex strips are arranged on the lower surface of the buffer cushion, which is in contact with the circuit substrate, a certain convex strip gap is formed between every two adjacent convex strips, a plurality of bosses are also arranged on the upper surface of the buffer cushion, which is in contact with the clamping block 12, and boss gaps are formed between every two adjacent bosses; the convex strips and the bosses are arranged in a vertically staggered manner.

Furthermore, a plurality of adsorption grooves in the shape of grooves 42 are distributed on the lower surface of the raised line, a plurality of special-shaped grooves are uniformly distributed on the outer edge of each adsorption groove, and the groove depth of each special-shaped groove is smaller than that of each adsorption groove; preferably, the profiled grooves are strip-shaped or multi-deformed or cross-shaped, preferably cross-shaped.

Example 2: in order to reinforce the bonding of the link plate 31 and the external circuit in the circuit substrate and ensure the close bonding of the transverse state of the link plate and the external circuit, a reinforcing member 33 is fixed at the tail part of the bonding end of the link plate 31, and the reinforcing member 33 is matched with a reinforcing hole reserved in the circuit substrate; the reinforcing member 33 may be provided at a left position of the attaching end tail portion of the link sheet 31 or at an intermediate position of the tail portion or at a right position of the tail portion, and preferably, the reinforcing member 33 is provided at the left position and the right position;

in order to reduce the interference of the stiffener 33 to the circuit board, the material of the stiffener 33 is made of rubber, plastic, epoxy resin, or the like; one end of the reinforcing member 33 is fixed to the attaching end of the link piece 31, and the other end of the reinforcing member 33 is placed in the reinforcing hole of the circuit substrate.

Further, one end of the reinforcing member 33 has a stretching portion made of Polydimethylsiloxane (PDMS) polymer material, and the other end of the reinforcing member 33 has a clamping column structure; such as the clamp post KSSB-156 model.

Example 3: in order to strengthen the bonding of the link plate 31 and the external circuit in the circuit substrate and ensure the close bonding of the longitudinal state of the link plate and the external circuit; a locker 32 installed on the upper surface of the link plate 31, fixed on the locker 32 through the locking hole 14 of the coupling housing 1 by a fixing member; by rotating the fixing piece downwards, the linking pieces 31 are attached to the inner lower surface of the connecting shell 1, so that the attaching ends of the linking pieces 31 are closely attached to the external circuit;

furthermore, a plurality of bumps 34 are arranged on the lower surface of the attaching end, a conductive layer is arranged on the lower surface of each bump 34, one end of the conductive wire is in contact with the conductive layer, and the other end of the conductive wire penetrates through the attaching end to be connected with the contact pin.

Further, the locking member 32 is hollow cylindrical; the lower layer inside the locking piece 32 is provided with a polygonal screw hole, and the upper layer and the middle layer of the inner wall of the locking piece 32 are provided with threads; the apertures of the upper and middle layers of the locking member 32 are larger than the apertures of the lower layer inside the locking member 32;

the structure of the fixing piece in the embodiment is a screw cap, a screw rod and an inner hexagonal structure (matched with the polygonal screw hole) from top to bottom.

Example 4: in order to facilitate the insertion of the plug housing into the adapting structure, a plurality of plug-in components 23 are arranged on the outer surface of the plug housing, and a plurality of plug-in components 23 can be arranged on the outer upper surface or the outer lower surface of the plug housing; a gap of the plug-in 23 is formed between two adjacent plug-in 23, and the plug-in 23 is matched with a groove 42 on the inner surface of the adapter shell in the adapter structure; so that the insert 23 is inserted into the recess 42 to achieve the correct insertion of the plug housing into the adapter housing, and thus the insertion of the pins into the receptacles to complete the assembly.

Furthermore, in order to enable the plug shell to be rapidly inserted into the adapter shell, the plug shell is in a trapezoid shape with a small upper part and a big lower part; one side surface of the plug shell can also be in a trapezoidal shape, and preferably, both side surfaces of the plug shell are in a trapezoidal shape;

further, in order to prevent the phenomenon that the plug shell is inserted into the adapter shell violently and the pin is inserted wrongly or folded, a transitional pin convex part 22 is arranged between the front end inside the plug shell and the pin structure 21, and the pin convex part 22 can be provided with a plurality of step-shaped bosses; correspondingly, transitional jack convex parts are also arranged between the front end in the switching shell and the jack structure, and the pin convex parts 22 are matched with the jack convex parts, so that damage to the pins and the jacks is limited during violent plugging and unplugging; for example, the pin bosses 22 are "z" shaped in configuration and the corresponding receptacle bosses are horizontal mirror images of the pin bosses 22.

Further, the pin projection 22 may be provided on one side surface of the pin groove, or may be provided on three surfaces of the pin groove.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.