CN2269650Y - cable connector - Google Patents

Abstract

A cable connector comprises an upper shell, a lower shell, a cable, a connector and a locking device, wherein the locking device comprises a pair of spring pieces, each spring piece is provided with a positioning part, a button part and a joint part, the positioning part is fixed on the cable connector shell, the button part is arranged outside the cable connector shell in a protruding mode along the outer contour of the cable connector shell by the positioning part, the joint part extends out of the cable connector shell from the button part, a resistance device is arranged at the joint end of the cable and the cable connector shell, and a sleeve part clamped with the connecting part is arranged on the connector shell.

Description

cable connector

The utility model relates to a cable connector, which is a reed of a locking device with a pressing button, which can be embedded and assembled in accordance with the shape of the cable connector shell. A disconnected cable connector.

Existing cable connectors generally include upper and lower housings, a cable connected and positioned between the upper and lower housings, a connector that communicates with the cable and has a plug-in end exposed outside the upper and lower housings, and A locking device disposed between the upper and lower housings and operable from outside the housings for engaging the mating connectors. Among them, the reed used to engage the docking connector in the locking device needs to be equipped with a button, and its pressing action can control the engagement and opening of the reed. In terms of assembly and cost, using the reed and the button is not only expensive but also Increased assembly man-hours. In addition, the existing cable connectors also have the following disadvantages:

(a) The wiring and contacts are easy to fall off - because the contacts of the cable wiring and the cable connector are small, it is not easy to weld, and the cable connector must be plugged and pulled out in actual use. In the case of direct stress, the wiring and contacts are easy to fall off after several times of plugging and unplugging, making it impossible to continue to use;

(b) The stability of the conduction effect is not enough-because the shell of the existing cable connector is combined by screw lock or snap-fit, the bolts will gradually loosen after a period of actual use, and the snap-fit will be tight when combined bad sex;

(c) The repair and maintenance of the connector part cannot be carried out - because the existing cable connector and the contact must be covered with insulating materials to prevent short circuits. , and the wiring will be broken due to the force of glue filling, once damaged, it can only be scrapped and cannot be repaired;

(d) When the cable connector is used in a specific system, in order to be suitable for different purposes, the identification key set in the connector is a fixed design. This fixed setting is difficult to change to suit different purposes.

The purpose of this utility model is to provide a cable connector, the reed in the locking device has a special design, in addition to the joint function, it also has the function of pressing the button, and has a tensile design, and can also change the position of the identification key .

The purpose of this utility model is achieved by providing a cable connector, which includes an upper and lower housing that can be covered up and down, a cable, and is positioned on one side of the aforementioned upper and lower housings, and a connector , communicated with the aforementioned cable, the plug-in end of which is exposed outside the upper and lower housings, and a locking device located between the upper and lower housings, the locking device includes a pair of reeds, the reeds have a positioning part, A push button part and a joint part, the positioning part is fixed on the cable connector housing, the press button part protrudes from the positioning part along the outer contour of the cable connector housing, the joint part Extending from the button part, protruding out of the housing of the cable connector, keeping an elastic distance from the housing.

The advantages of the cable connector of the present invention are that it is easy to control, convenient to manufacture, stable in combination, stable in conduction, and easy to change the position of the identification key to suit different purposes.

Below in conjunction with accompanying drawing, describe embodiment of the present utility model, wherein:

Fig. 1 is a three-dimensional exploded view of the cable connector of the present invention;

Fig. 2 is a three-dimensional combined view of the cable connector of the present invention;

Fig. 3 is a front view of the lower housing after the upper housing is removed from the cable connector of the present invention;

Fig. 4 is a combined sectional view of the upper and lower housings and the connector in Fig. 2 .

FIG. 1 is a three-dimensional exploded view of the electrical connector of the present invention, including upper and lower housings 1 and 2, a cable 3, a connector 4, a locking device 5 and an engaging device 6. As shown in FIG. Wherein, the upper and lower casings 1 and 2 have the same structure and can be closed up and down. The upper casing 1 is provided with relative arrows on the surface to indicate the pressing direction. See the lower housing 2 among Fig. 1 again, in the upper housing 1, corresponding place is indicated with the dotted line label, and one side in the four corners on the lower housing 2 establishes sleeve hole 20 (10); Post 21 (11) can make casing 1,2 up and down against combining season sleeve hole 20 (10) and small boss post 11 (21) sleeve and integrate. In addition, on one side of the joint surface of the lower case 2, there are welded ribs 22 (12), which are used for high-frequency welding of the upper and lower shells. 2. In addition, L-shaped inlay grooves 23, 24 (13, 14) are provided on both sides of the inner side of the lower housing 2, and gaps 25, 26 (15, 16) are provided on both sides of the near-middle joint surface, all of which are used for the inlaid locking device 5, It will be described later. Furthermore, the upper and lower sides of the lower case 2 are provided with sockets 27 , 28 ( 17 , 18 ) for fitting the cables 3 and the connector 4 .

The cable 3 is an ordinary cable, and its joint end is provided with a connecting part 30. The connecting part 30 is molded with two shoulders 301, 302 on the left and right. The two shoulders have upper edges 3011, 3021 and lower edges. 3012, 3022. These electric wires in the cable 3 are soldered and connected with the connector 4 through the circuit board 31 . In addition, the lower casing 2 and the two shoulders 301, 302 are provided with a fitting portion for effectively fitting and fixing the two. The fitting portion is located on the lower casing 2 adjacent to the socket 27, and is provided with Two resistance columns 291, 292 (191, 192) juxtaposed; resistance holes 3013, 3023 are set on the two shoulders 301, 302, so when the resistance columns 291, 292 (191, 192) are inserted into the resistance holes 3013, 3023, which can make the cable 3 firmly combined with the upper and lower housings 1 and 2 with good tensile strength. In short, when the cable 3 is pulled, the pulling force will be transmitted to the shoulders 301 , 302 without affecting the connection between the cable 3 and the contact of the circuit board 31 .

As shown in Figure 1, the device of the present invention is provided with an abutting part on the lower casing 2 adjacent to the upper and lower sides of the resistance columns 291, 292 (191, 192), and the abutting part is provided with a retaining wall 293 and 294 (193 and 194). As shown in Figure 3, after the cable 3 is combined with the lower housing 2, it can be clearly seen that the resistance holes 3013, 3023 on the two shoulders 301, 302 are set on the resistance columns 291, 292 (191, 192), and the shoulders The upper edges 3011, 3021 and lower edges 3012, 3022 of 301, 302 abut against the retaining walls 293 and 294 (193 and 194), and the front, rear, left, and right sides of the cable 3 are effectively positioned, so that the cable 3 can be ensured. The contact with the circuit board 31 is free from direct force. Similarly, as shown in Figure 4, one end of the electrical connector 4 is also provided with an engaging device 6, and the engaging device is provided with an engaging groove 295 (195) on the lower housing 2, and is provided with an engaging groove 295 (195) corresponding to the connector. Post 42, the groove 295 (195) is engaged with the engaging post 42, so that the connector 4 has a tensile effect, so the arrangement of the abutting portion and the engaging device 6 can make the cable and the connector have a Hang pull ability, combined with solid.

Please refer to Fig. 1, the integrated cable 3, circuit board 31 and connector 4 of the utility model are covered with foam glue 70, 71 insulating material in a non-glue covering mode to prevent short circuit, and one layer of foam The cotton glue 70 is covered with a metal sheet 72 for shielding, and one end 721 of the metal sheet extends to one side of the connector for grounding. In addition, the connector 4 can also use a specific connector according to actual needs. This embodiment introduces a connector for communication. The guide pin 40 at one end of the connector 4 is welded on the circuit board 31, and the other end is a plug The pins 41 are exposed outside the housing, and are used for plugging with the mated connector. It should be pointed out that on the inner wall surface of the communication connector plug-in end 41 in the utility model, there are several dovetail grooves 410 for setting the programmable identification key 80, and the user can carry out different functions according to different application purposes. combination to achieve the purpose of communication identification.

In Fig. 1, the locking device 5 of the present utility model is arranged between the upper and lower housings 1 and 2, and generally consists of a reed 50, which has a positioning part 501, a button part 502 and an engaging part 503, wherein The positioning part 501 is L-shaped in shape, and is embedded in the aforementioned L-shaped inserts 23, 24 (13, 14). 2. The abdomen extends in an arc shape, and the surface is provided with convex ribs for increasing friction. The gaps 25, 26 (15, 16) on the joint surfaces of the upper and lower housings 1 and 2 protrude out of the housing in a straddling manner. In addition, the joint part 503 is extended from the push button part 502, protrudes out of the upper and lower housings 1 and 2, and maintains an elastic distance from the housings, and a contact protrusion 5031 is provided on the exposed end of the housing for docking connection. to engage the contacts. Please refer to Fig. 3 again, during actual use, the positioning part 501 of the reed 50 is used as a fulcrum to press the button part 502, as shown by the arrow (shown by the dotted line on the figure is the state before the button part 502 is pressed, and the solid line is the state after being pressed), so that the joint part 503 has an internal contraction force, and when the button part 502 is released, the joint part 503 has an external tension force, which can provide effective joint for the cable connector, and make the connector firmly combined and conduction .

Claims (14)

1, a kind of cable connector, it is characterized in that, it comprise can cover up and down one on, lower house, one cable, be connected and be positioned at an aforementioned side that goes up lower house, a connector, be connected with aforementioned cable, its inserted terminal is exposed to outside the lower house, and a locking device, be positioned at, between lower house, described locking device comprises a pair of reed, described reed has a location division, an one press button portion and a junction surface, described location division is fixed on the cable connector housing, and described press button portion is outside the outline along the cable connector housing is convexly set in from described location division, and extend from press button portion at described junction surface, be stuck in outside the cable connector housing, keep an elasticity spacing with housing.

2, cable connector as claimed in claim 1 is characterized in that, the location division of described reed is the L type, and edge is stuck in upper and lower casing and reserves in the L type inserting slot that is provided with.

3, cable connector as claimed in claim 1 is characterized in that, described reed press button portion also is provided with some fins on the surface.

4, cable connector as claimed in claim 1 is characterized in that, described reed junction surface is provided with the contact convex body at the end that it exposes outside housing.

5, cable connector as claimed in claim 4, it is characterized in that, described cable and upper and lower casing binding end also are provided with a drag device, and described drag device is provided with a junction in cable end, are provided with the fit portion that cooperates with described connecting portion on last lower house.

6, cable connector as claimed in claim 5 is characterized in that, two convex shoulders about mold casting forming on the described connecting portion, and described fit portion establishes the drag hole on convex shoulder, and the place is provided with the drag post that is linked in the drag hole in the corresponding drag of upper and lower casing hole.

7, cable connector as claimed in claim 6 is characterized in that, described drag device also forms a portion that pushes against that leans with connecting portion on this at upper and lower shell.

8, cable connector as claimed in claim 7 is characterized in that, the described portion that pushes against is provided with barricade at the convex shoulder the place ahead and the rear of last lower house.

9, cable connector as claimed in claim 8 is characterized in that, described upper and lower casing faying face one side is provided with the welding fin.

10, cable connector as claimed in claim 9 is characterized in that, described cable is connected to an end of a circuit board earlier, and the terminal of electrical connection is connected to the other end of circuit board.

11, cable connector as claimed in claim 10 is characterized in that, cable, circuit board and electric connector that welding is good cover with foam glue insulating material.

12, cable connector as claimed in claim 11 is characterized in that, the levels foam glue that covers cable, circuit board and electric connector after welding also clads a sheet metal, and an end of sheet metal extends to connector one side.

13, cable connector as claimed in claim 12 is characterized in that, the side that described upward lower house combines with connector also is provided with clamping close device, and clamping close device is included in the engaging groove that is provided with on the lower house, is provided with the engaging post on connector accordingly.

14, cable connector as claimed in claim 13 is characterized in that, described connector inserted terminal interior sidewall surface is provided with some and knows the dovetail groove that the key edge is established for able to programme debating.

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