CN217444684U

CN217444684U - Connecting terminal and key switch connector using same

Info

Publication number: CN217444684U
Application number: CN202221553034.XU
Authority: CN
Inventors: 罗志兵; 陈裕楷; 谢水来
Original assignee: Lehu Electronic Co ltd
Current assignee: Lehu Electronic Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-16
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a connecting terminal and use the key switch connector of this connecting terminal, this connecting terminal includes a fixed part, extends forward respectively along the axial of both sides of the said fixed part and is equipped with the outer arm of extension, the head of each outer arm of extension is bent to its inboard and is equipped with the inner spring arm back to back, the said inner spring arm extends perpendicularly in the vertical shaft direction and is equipped with a pair of extension centre gripping shell fragments, the top of this extension centre gripping shell fragment opens to the outside and forms the inserted hole; and the fixing part is axially and respectively provided with a fixing arm in a backward extending way along the two sides of the fixing part, and the tail part of each fixing arm is provided with a conductive switching part. The utility model discloses simple structure, it is convenient efficient to assemble in the connector, and can realize the extension of connector plug life who uses.

Description

Connecting terminal and key switch connector using same

The technical field is as follows:

the utility model relates to an electric connector product field, in particular to indicate a connecting terminal and use this connecting terminal's key switch connector.

Background art:

the main matching fields of the electric connector comprise traffic, communication, network, IT, medical treatment, household electrical appliances, aviation, military electronic products and the like, and the development of the connector technology is strongly dragged due to the rapid development of the technical level of the products in the matching fields and the rapid growth of the market. To date, electrical connectors have been developed into products with various categories, various specifications, various structural styles, fine professional directions, obvious industrial characteristics, and standardized standards.

A computer is now a frequently used electronic device, which is equipped with a keyboard device, and each key of the mechanical keyboard has a separate switch to control the closing, and the switch is called a key switch. The key switch comprises a key cap, an upper cover, a base, a movable contact piece, a static contact piece, a shaft and a reset spring, wherein the key cap is connected with the top of the shaft, the upper cover is positioned above the base, the shaft is positioned between the upper cover and the base, the upper end and the lower end of the reset spring are respectively abutted to the shaft and the base, the movable contact piece and the static contact piece are positioned on the side surface of the shaft, the feet of the movable contact piece and the static contact piece penetrate through holes of a circuit board to be welded, and the switch conduction is realized by passing through the used connector.

The keyboard connector used in the prior art comprises a terminal and an insulating base body, wherein the terminal is welded below a circuit board, and after a keyboard switch is clamped into the circuit board, a pin of the keyboard switch is in contact with the terminal corresponding to the keyboard connector to achieve circuit conduction.

In the keyboard connector, certain disadvantages exist, when the terminal is welded on a circuit board and is arranged in an insulating base of the connector, the terminal needs to be aligned and positioned firstly, and then the terminal is clamped in a groove of the insulating base, so that the keyboard connector is very inconvenient to use and has low assembly efficiency; on the other hand, the terminal and the keyboard pin are contacted and deformed for many times, so that the service life of the keyboard connector is shortened.

In view of the above, the present invention provides an improved connection terminal and a key switch connector using the same to overcome the above-mentioned problems.

The utility model has the following contents:

an object of the utility model is to overcome prior art's not enough, provide a simple as a result, assemble convenient and the higher connecting terminal of efficiency and use this connecting terminal's key switch connector.

In order to solve the technical problem, the utility model discloses a following technical scheme: a connecting terminal comprises a fixing part, wherein lengthened outer arms respectively extend forwards along the axial direction of two sides of the fixing part, the head of each lengthened outer arm is bent towards the inner side of the corresponding lengthened outer arm and is provided with a back-to-back inner elastic arm, the inner elastic arms vertically extend in the direction of a vertical shaft and are provided with a pair of lengthened clamping elastic sheets, and the top ends of the lengthened clamping elastic sheets are opened outwards to form an insertion opening; and the fixing part is axially and respectively provided with a fixing arm in a backward extending way along the two sides of the fixing part, and the tail part of each fixing arm is provided with a conductive switching part.

Preferably, the fixing portion includes a fitting portion, two side walls are formed by vertically bending and extending edges of two sides of the fitting portion, the outer extension arm and the holding arm respectively extend and protrude from two ends of the two side walls of the fixing portion, and the outer extension arm, the holding arm and the side walls are located on the same plane.

As a preferential scheme, the fixing part is of a U-shaped structure, clamping pieces are arranged on the surface of the attaching part of the fixing part towards the U-shaped space of the fixing part, and clamping ribs are arranged on the two side walls of the fixing part outwards; each conductive switching part is of an L-shaped structure, and the tail ends of the conductive switching parts are bent inwards to form a pair of switching pieces.

Preferably, the conductive transfer portion is provided with a tinning through hole.

Preferably, the insertion opening is of a V-shaped structure or an inverted V-shaped structure.

A key switch connector comprises a connecting terminal and an insulating base body, wherein the insulating base body is provided with a connecting terminal accommodating groove, the connecting terminal comprises a fixing part, two sides of the fixing part are axially and respectively provided with lengthened outer arms in a forward extending mode, the head of each lengthened outer arm is bent towards the inner side of the lengthened outer arm and is provided with inner elastic arms back to back, the inner elastic arms are vertically provided with a pair of lengthened clamping elastic sheets in an extending mode in the direction of a vertical shaft, and the top ends of the lengthened clamping elastic sheets are opened outwards to form an insertion hole; and the fixing part is axially and respectively provided with a fixing arm in a backward extending way along the two sides of the fixing part, and the tail part of each fixing arm is provided with a conductive switching part.

As a preferential scheme, the insulating base body comprises a connecting plate provided with a circuit board and a connecting piece capable of penetrating the circuit board to be in contact with the keyboard switch, and the accommodating groove is formed in two edges of one side, which is far away from the connecting piece; the accommodating groove comprises a front groove and a rear groove, and the connecting piece is arranged on the front groove.

As a priority scheme, a through hole communicated with the connecting piece is arranged in the front groove.

Preferably, a protrusion is protruded from the center of the rear groove, a fixing hole is formed on the surface of the protrusion opposite to the fixing portion, and a narrow groove for fixing the fixing portion is formed on the protrusion and two side walls of the rear groove.

As a priority scheme, wall grooves for fastening the fixing parts are formed in two side wall surfaces of the rear groove.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the connecting terminal is simple in structure, convenient and efficient to assemble in the connector on the key switch connector, and capable of prolonging the plugging service life of the used connector.

Description of the drawings:

fig. 1 is a schematic view of a connection terminal according to the present invention;

FIG. 2 is a perspective view from another angle of FIG. 1;

fig. 3 is an exploded perspective view of the key switch connector of the present invention;

fig. 4 is another perspective view of the insulating base of the keyswitch connector of the present invention;

FIG. 5 is a schematic plan view of FIG. 4 in elevation;

fig. 6 is a perspective view of the key switch connector of the present invention after assembly;

FIG. 7 is a perspective view of FIG. 6 at another angle;

FIG. 8 is a schematic view of the projection plane of FIG. 7 in the A direction;

FIG. 9 is a cross-sectional view of FIG. 8 in the direction B-B; and

fig. 10 is a sectional view in the direction C-C of fig. 8.

Description of the reference numerals:

100 key switch connector 1 insulation base

11 connecting plate 12 connecting piece

13 accommodating groove 131 front groove

132 rear groove 133 wall groove

14 projection 141 holding hole

15 narrow grooves 16 through the via

2 connecting terminal 21 fixing part

22 bonding part 221 clamping sheet

23 side wall 231 Rib

24 elongated outer arm 25 holding arm

26 inner spring arm 27 lengthening clamping spring sheet

271 insertion port 28 conductive switching part

29 interposer 291 perforation

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and the accompanying drawings.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

Referring to the drawings shown in detail, as shown in fig. 1 to 10, the connection terminal 2 of the embodiment is suitable for the case of the keyswitch connector 100, that is, the connection terminal 2 is assembled in the insulating housing 1 of the keyswitch connector 100 to form the keyswitch connector 100.

Referring to fig. 1 and 2, the connection terminal 2 includes a fixing portion 21, elongated outer arms 24 are respectively extended forward along two axial directions of the fixing portion 21, a back-to-back inner elastic arm 26 is bent inward at the head of each elongated outer arm, a pair of elongated clamping elastic pieces 27 is vertically extended from the inner elastic arm in the vertical axis direction, and the top ends of the elongated clamping elastic pieces 27 are opened outward to form an insertion port 271; the fixing portion 21 is provided with two holding arms 25 extending backward along the axial direction, and the tail portion of each holding arm 25 is provided with a conductive adapting portion 28.

The fixing portion 21 includes an attaching portion 22, two side walls 23 are vertically bent and extended from two side edges of the attaching portion 22, the lengthened outer arm 24 and the holding arm 25 respectively extend and protrude from two ends of the two side walls 23 of the fixing portion 21, and the lengthened outer arm 24, the holding arm 25 and the side walls 23 are located on the same plane.

The fixing portion 21 is a U-shaped structure, the surface of the attaching portion 22 of the fixing portion 21 is provided with a clamping piece 221 in the U-shaped space of the fixing portion 21, and two side walls 23 of the fixing portion 21 are provided with clamping ribs 231 outward; each conductive adapter 28 is an L-shaped structure, the tail end of each conductive adapter 28 is bent inwards to form a pair of adapters 29, and the conductive adapters 28 are provided with solder through holes 291.

The insertion port 271 has a V-shaped structure or an inverted V-shaped structure.

Referring to fig. 3 to 7, in the insulating base 1 of the keyswitch connector 100 assembled with the connection terminals 2, in the present embodiment, the keyswitch connector 100 includes the insulating base 1 and two connection terminals 2 detachably mounted on the insulating base.

The insulation base body 1 comprises a connecting plate 11 provided with a circuit board, a connecting piece 12 capable of penetrating the circuit board to be contacted with the keyboard switch, and a containing groove 13 which is provided with two edges departing from one side of the connecting piece 12 and is used for containing the two connecting terminals 2; the accommodating groove 13 includes a front groove 131 and a rear groove 132, and the connecting member 12 is disposed on the front groove 131.

A protrusion 14 is protruded from the center of the rear groove, the protrusion 14 extends into a U-shaped space of the fixing portion 21 of the connection terminal 2, a holding hole 141 is formed on the surface of the protrusion 14 opposite to the holding piece 221, narrow grooves 15 for holding two side walls 23 of the fixing portion 21 are formed on the protrusion 14 and two sides of the rear groove, and wall grooves 133 for fastening the clamping ribs 231 of the fixing portion 21 are formed on two side wall surfaces of the rear groove 132; the front groove 131 is provided with a through hole 16 for communicating the connector 12.

The utility model discloses a key switch connector 100, please see fig. 6 to fig. 10, during the assembly, assemble two connecting terminal 2 respectively in two storage tanks 13 of insulating pedestal 1, insert in through-hole 16 a pair of extension centre gripping shell fragment 27 with connecting terminal 2, connecting terminal 2's fixing portion 21 buckle is on arch 14, extension outer arm 24 and extension outer arm head are bent to its inboard and are equipped with back to back interior bullet arm 26 and accept in leading groove 131, connecting terminal 2's electrically conductive switching portion 28 exposes in the outer end of connecting plate 11, accomplishes the equipment promptly, assembles in the connector convenient efficient, and can realize the connector plug life extension that uses.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A connection terminal characterized by: comprises a fixed part and a movable part, wherein the fixed part is provided with a fixing part,

the head of each lengthened outer arm is bent towards the inner side of the lengthened outer arm and is provided with a back-to-back inner elastic arm, the inner elastic arm is vertically extended in the direction of a vertical shaft and is provided with a pair of lengthened clamping elastic sheets, and the top ends of the lengthened clamping elastic sheets are opened outwards to form an insertion opening;

and the fixing part is axially and respectively provided with a fixing arm in a backward extending way along the two sides of the fixing part, and the tail part of each fixing arm is provided with a conductive switching part.

2. A connection terminal according to claim 1, characterized in that: the fixing part comprises a joint part and two side walls which are vertically bent and extended from edges of two sides of the joint part, the lengthened outer arm and the fixed arm respectively extend and protrude from two ends of the two side walls of the fixing part, and the lengthened outer arm, the fixed arm and the side walls are positioned on the same plane.

3. A connection terminal according to claim 2, characterized in that: the fixing part is of a U-shaped structure, clamping pieces are arranged on the surface of the attaching part of the fixing part towards the U-shaped space of the fixing part, and clamping ribs are arranged on two side walls of the fixing part outwards; each conductive switching part is of an L-shaped structure, and the tail ends of the conductive switching parts are bent inwards to form a pair of switching pieces.

4. A connection terminal according to claim 3, characterized in that: the conductive switching part is provided with a tin-plated through hole.

5. A connection terminal according to claim 1, characterized in that: the insertion opening is of a V-shaped structure or an inverted V-shaped structure.

6. A key switch connector comprising the connection terminal according to any one of claims 1 to 5, an insulating base provided with a connection terminal accommodation groove, characterized in that: the connecting terminal comprises a fixing part, wherein lengthened outer arms are respectively and forwardly extended along the axial direction of two sides of the fixing part, the head of each lengthened outer arm is bent towards the inner side of the lengthened outer arm and is provided with a back-to-back inner elastic arm, the inner elastic arm is vertically extended in the direction of a vertical shaft and is provided with a pair of lengthened clamping elastic sheets, and the top ends of the lengthened clamping elastic sheets are outwards opened to form an insertion port; and the fixing part is axially and respectively provided with a fixing arm in a backward extending way along the two sides of the fixing part, and the tail part of each fixing arm is provided with a conductive switching part.

7. The keyswitch connector of claim 6, wherein: the insulating base body comprises a connecting plate provided with a circuit board and a connecting piece capable of penetrating the circuit board to be in contact with the keyboard switch, and the accommodating groove is formed in two edges of one side, which is far away from the connecting piece; the accommodating groove comprises a front groove and a rear groove, and the connecting piece is arranged on the front groove.

8. The keyswitch connector of claim 7, wherein: and a through hole communicated with the connecting piece is arranged in the front groove.

9. The keyswitch connector of claim 7, wherein: the rear groove is provided with a protrusion in the center in a protruding mode, the surface of the protrusion is provided with a fixing hole corresponding to the fixing portion, and narrow grooves for fixing the fixing portion are formed in the protrusion and the two side wall surfaces of the rear groove.

10. The keyswitch connector of claim 9, wherein: and wall grooves for fastening the fixing parts are formed in the two side wall surfaces of the rear groove.