CN215266740U

CN215266740U - Novel welding-free connector for ceramic circuit board

Info

Publication number: CN215266740U
Application number: CN202121341775.7U
Authority: CN
Inventors: 王智勇; 王冰; 王盼云
Original assignee: Shenzhen Saituo Technology Co ltd
Current assignee: Shenzhen Saituo Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-21
Anticipated expiration: 2031-06-16

Abstract

The utility model relates to a novel ceramic circuit board is with exempting from welding connector, locate a plurality of terminals on the plastic seat including the plastic seat with being the inline, the plastic seat has the inserting groove that runs through both sides around it, the below spacing groove of inserting groove, the terminal has the arm lock, the fixed arm and with PCB board electric connection's elastic connection foot, be formed with the double-layered groove that is used for centre gripping ceramic circuit board between the lower surface of arm lock and inserting groove, it has prorsad inserted hole to press from both sides the groove, arm lock lower surface shaping has downward convex first arch, the lower surface shaping of fixed arm has downward convex second arch, the inserting groove is inserted to the equipment arm lock, the fixed arm inserts the spacing groove that corresponds, first arch is contradicted with the lower surface of inserting groove, the protruding lower surface with the spacing groove of second is contradicted. The utility model discloses a vertical protrusion structure's arch under the prerequisite that does not increase the connector volume, can improve two adjacent terminal intervals, and then improves insulating nature, avoids producing the short circuit.

Description

Novel welding-free connector for ceramic circuit board

Technical Field

The utility model relates to a connector technical field, concretely relates to novel ceramic circuit board is with exempting from welding connector.

Background

Connectors are generally used to transmit electric current and electric signals, and are widely used in computers and electronic devices around computers. The welding-free connector is one of connectors, generally includes a plastic seat and a plurality of terminals arranged in rows on the plastic seat, the plastic seat is provided with a mounting groove for mounting the terminals, and the electrical connection between the terminals and the circuit board can be realized by fixing the connector on the circuit board and making the connecting pins on the terminals contact with the conductive parts on the circuit board. Traditional terminal is in the left and right sides shaping of terminal goes out horizontal convex arch, and in the terminal inserts the mounting groove when the equipment, the fixed of terminal is realized with the both sides lateral wall conflict of mounting groove to the arch, nevertheless because protruding adoption transversely protrudes the structure, leads to the interval of two adjacent terminals to diminish, and insulating nature variation easily produces the short circuit problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a novel welding-free connector for ceramic circuit board, its arch that adopts vertical protrusion structure under the prerequisite that does not increase the connector volume, can improve two adjacent terminal intervals, and then improve insulating nature, avoid producing the short circuit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel welding-free connector for a ceramic circuit board comprises a plastic seat and a plurality of terminals which are arranged on the plastic seat in a linear mode, wherein the plastic seat is provided with insertion grooves which penetrate through the front side and the back side of the plastic seat, a plurality of limiting grooves which correspond to the terminals one by one are arranged below the insertion grooves, the terminals are formed with clamping arms which correspond to the insertion grooves, fixing arms which correspond to the limiting grooves and elastic connecting pins which are electrically connected with a PCB, the elastic connecting pins penetrate through the lower surface of the plastic seat and extend downwards, clamping grooves used for clamping the ceramic circuit board are formed between the clamping arms and the lower surface of the insertion grooves, the clamping grooves are provided with forward insertion holes, first bulges which protrude downwards are formed on the lower surface of the clamping arms, second bulges which protrude downwards are formed on the lower surface of the fixing arms, the clamping arms are inserted into the insertion grooves from back to front when being assembled, and the corresponding limiting grooves are inserted into the fixing arms from back to front, the first protrusion abuts against the lower surface of the insertion groove, and the second protrusion abuts against the lower surface of the limiting groove.

As a preferable scheme, a pressing block protruding downwards is formed at the rear end of the clamping arm, and the first protrusion is located on the lower surface of the pressing block.

As a preferred scheme, the limiting groove is internally provided with a partition board, the partition board divides the limiting groove to form an upper limiting groove and a lower limiting groove, the terminal is further formed with an extension arm corresponding to the lower limiting groove, the extension arm is located below the fixing arm and has the same extension direction with the fixing arm, during assembly, the fixing arm is inserted into the upper limiting groove, and the front end of the extension arm is inserted into the lower limiting groove.

Preferably, the elastic connection foot is located below the extension arm, and the upper end of the elastic connection foot is integrally connected with the extension arm.

Preferably, the lower end of the elastic connecting leg is bent to form a hook part with an upward opening.

Preferably, the elastic connecting pins penetrate through the lower surface of the plastic seat and extend downwards.

As a preferred scheme, mounting blocks for mounting the connector on the PCB are formed on the left and right sides of the plastic seat, and mounting holes penetrating through the upper and lower sides of the mounting blocks are formed on the mounting blocks.

Preferably, the mounting hole is a waist-shaped hole, and the waist-shaped hole extends along the front-back direction.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, through forming the first arch that protrudes downwards at the arm lock lower surface, the second arch that protrudes downwards is gone out at the lower surface type of fixed arm, first arch is contradicted with the lower surface of inserting groove during the equipment, the second arch is contradicted with the lower surface of spacing groove, adopt vertical arch to realize the fixed of terminal, under the prerequisite that does not increase the connector volume, can improve two adjacent terminal intervals, and then improve insulating nature, avoid producing the short circuit, improve product reliability; and vertical protruding accessible punching press's mode shaping, production and processing is convenient, and is efficient, non-deformable.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic view of an assembly structure according to an embodiment of the present invention;

fig. 2 is a schematic view of another structure of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of an embodiment of the invention;

fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

The attached drawings indicate the following:

10-plastic seat; 11-a mounting block; 111-mounting holes;

12-a plug groove; 121-a clamping groove; 13-a limiting groove;

14-upper limiting groove; 15-lower limiting groove; 16-a separator;

20-a terminal; 21-a clamp arm; 22-a pressing block;

221-a first projection; 23-a fixed arm; 231-a second projection;

24-an extension arm; 25-elastic connecting feet; 251-hook portion.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "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, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-5, a novel soldering-free connector for a ceramic circuit board comprises a plastic seat 10 and a plurality of terminals 20 arranged on the plastic seat 10 in a linear manner, wherein mounting blocks 11 for mounting a connector on a PCB are formed on the left and right sides of the plastic seat 10, mounting holes 111 penetrating through the upper and lower sides of the mounting blocks 11 are formed on the mounting blocks 11, the mounting holes 111 are kidney-shaped holes extending in the front-back direction, the plastic seat 10 has insertion grooves 12 penetrating through the front and rear sides of the plastic seat, a plurality of limiting grooves 13 corresponding to the terminals 20 one by one are formed below the insertion grooves 12, partition plates 16 are arranged in the limiting grooves 13, the partition plates 16 partition the limiting grooves 13 to form upper limiting grooves 14 and lower limiting grooves 15, the terminals 20 are formed with clamping arms 21 corresponding to the insertion grooves 12, fixing arms 23 corresponding to the upper limiting grooves 14, extension arms 24 extending into the lower limiting grooves 15, and elastic connection pins 25 electrically connected to the PCB, the extension arm 24 is located below the fixing arm 23 and has the same extension direction as the fixing arm 23, the elastic connection pin 25 is located below the extension arm 24 and the upper end of the elastic connection pin 25 is integrally connected with the extension arm 24, the elastic connection pin 25 extends downwards through the lower surface of the plastic seat 10, the lower end of the elastic connection pin 25 is bent to form a hook 251 with an upward opening, a clamping groove 121 for clamping the ceramic circuit board is formed between the lower surfaces of the clamping arm 21 and the insertion groove 12, the clamping ceramic circuit board is provided with gold fingers corresponding to the clamping arms one by one, the clamping groove 121 is provided with a forward insertion opening, the rear end of the clamping arm 21 is formed with a pressing block 22 protruding downwards, the lower surface of the pressing block 22 is formed with a first protrusion 221 protruding downwards, the lower surface of the fixing arm 23 is formed with a second protrusion 231 protruding downwards, during assembly, the clamping arm 21 is inserted into the insertion groove 12 from back to front, the fixing arm 23 is inserted into the corresponding upper limiting groove 14 from back to front, the first protrusion 221 abuts against the lower surface of the insertion groove 12, the second protrusion 231 abuts against the lower surface of the upper limiting groove 14, and the front end of the extension arm 24 is inserted into the lower limiting groove 15.

To sum up, the utility model discloses a lower surface type at the fixed arm goes out the downward convex first arch, goes out the downward convex second arch at the lower surface type of fixed arm, and first arch is contradicted with the lower surface of inserting groove during the equipment, and the second arch is contradicted with the lower surface of spacing groove, adopts vertical arch to realize the fixed of terminal, under the prerequisite that does not increase the connector volume, can improve two adjacent terminal intervals, and then improves the insulating nature, avoids producing the short circuit, improves the product reliability; and vertical protruding accessible punching press's mode shaping, production and processing is convenient, and is efficient, non-deformable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A novel welding-free connector for a ceramic circuit board is characterized by comprising a plastic seat and a plurality of terminals which are linearly arranged on the plastic seat, wherein the plastic seat is provided with insertion grooves which penetrate through the front side and the rear side of the plastic seat, a plurality of limiting grooves which correspond to the terminals one by one are arranged below the insertion grooves, the terminals are formed with clamping arms corresponding to the insertion grooves, fixing arms corresponding to the limiting grooves and elastic connecting pins which are electrically connected with a PCB (printed circuit board), clamping grooves for clamping the ceramic circuit board are formed between the clamping arms and the lower surface of the insertion grooves, the clamping grooves are provided with forward insertion holes, first bulges which protrude downwards are formed on the lower surface of the clamping arms, second bulges which protrude downwards are formed on the lower surface of the fixing arms, during assembly, the clamping arms are inserted into the insertion grooves forwards from the rear side, the fixing arms are inserted into the corresponding limiting grooves forwards from the rear side, and the first bulges are abutted against the lower surfaces of the insertion grooves, the second protrusion abuts against the lower surface of the limiting groove.

2. The novel welding-free connector for the ceramic circuit board as claimed in claim 1, wherein a pressing block protruding downwards is formed at the rear end of the clamping arm, and the first protrusion is located on the lower surface of the pressing block.

3. The novel welding-free connector for the ceramic circuit board as claimed in claim 1, wherein a partition is arranged in the limiting groove, the partition divides the limiting groove into an upper limiting groove and a lower limiting groove, the terminal is further formed with an extension arm corresponding to the lower limiting groove, the extension arm is located below the fixing arm and has the same extension direction as the fixing arm, during assembly, the fixing arm is inserted into the upper limiting groove, and the front end of the extension arm is inserted into the lower limiting groove.

4. The novel soldering-free connector for the ceramic circuit board as claimed in claim 3, wherein the elastic connecting pin is located below the extension arm, and the upper end of the elastic connecting pin is integrally connected with the extension arm.

5. The novel soldering-free connector for the ceramic circuit board as claimed in claim 1 or 4, wherein the lower end of the elastic connecting pin is bent to form a hook part with an upward opening.

6. The novel solder-free connector for ceramic circuit boards as claimed in claim 5, wherein the resilient connecting pins extend downwardly through the lower surface of the plastic seat.

7. The novel soldering-free connector for the ceramic circuit board as claimed in claim 1, wherein the left and right sides of the plastic seat are formed with mounting blocks for mounting the connector on a PCB, and the mounting blocks are provided with mounting holes penetrating through the upper and lower sides thereof.

8. The novel solder-free connector for the ceramic circuit board as claimed in claim 7, wherein the mounting hole is a waist-shaped hole, and the waist-shaped hole extends along the front-back direction.