CN204348996U - A kind of card connector - Google Patents

Abstract

The utility model discloses a card connector, which comprises an insulating body with a mating space, a first terminal and a second terminal assembled in the insulating body, and the insulating body includes a base and a Extended elastic arm, the first terminal includes a first contact portion, a first connecting portion, and a first welding portion located on the same plane, and the second terminal includes a second contact portion, a second connecting portion, and a second welding portion located on the same plane , the insulating body is provided with a first terminal slot and a second terminal slot, the first terminal slot is partially open upward, and the first terminal is provided with a first clamping point above the first contact portion, and the first clamping point is exposed on the second contact portion. One end is out of the groove, and it is snapped on the insulating body to ensure that the terminal will not tilt down, which is effective in ensuring the flatness and coplanarity of the terminal welding part.

Description

a card connector

technical field

This implementation relates to the field of electrical connectors.

Background technique

Existing high-speed connectors usually include an insulating body and several conductive terminals fixed on the insulating body. The conductive terminals are inserted into the insulating body. In order to further enhance the shielding effect and structural stability of the electrical connector, the electrical connector also Assembled with a metal shell or metal sheet, etc., but in the existing connector, the conductive terminal is not firmly fixed on the insulating body or the signal test cannot pass, which affects the performance of the electrical connector.

Utility model content

The technical problem mainly solved by the utility model is to provide an electric connector with firm structure and stable performance.

In order to solve the above-mentioned technical problems, a technical solution adopted by the utility model is: a card connector, including an insulating body with an inter-inserting space, a first terminal and a second terminal assembled in the insulating body, and the insulating body includes a base and a self-contained body. Elastic arms extending forward on both sides of the base, the first terminal includes a first contact portion, a first connection portion, and a first welding portion on the same plane, and the second terminal includes a second contact portion and a second connection portion on the same plane , the second welding part, the insulating body is provided with a first terminal slot and a second terminal slot, the first terminal slot is partially opened upwards, and the first terminal is provided with a first clamping point located at the rear and upper side of the first contact part, the second A locking point is exposed outside the groove of the first end, and is engaged with the insulating body.

Wherein, the insulating body is provided with several slot bars, and a second terminal slot for accommodating the second terminal is formed between the slot bars, and a slope-shaped avoiding part is formed on the slot bars.

Wherein, the first terminal is provided with a second clamping point located on the rear upper side of the first contact portion, and the second clamping point is fixed inside the insulating body.

Wherein, the card connector further includes a first reinforcing piece fixed on the upper bottom of the elastic arm, and the front terminal of the first reinforcing piece is provided with a first fixing portion bent from front to back.

Wherein, the first reinforcing piece is bent upwards from the side to extend a fixed foot, and the fixed foot is provided with a reinforcing rib.

Wherein, the first reinforcing piece is bent upwards from a side to have a stopper, and the stopper is located outside the elastic arm.

Wherein, the card connector further includes a second reinforcing sheet fixed on the outer side of the elastic arm, the second reinforcing sheet is bent toward the inner side of the reinforcing wall to form a second fixing part, and the second fixing part is engaged with the upper part of the elastic arm.

Wherein, the second reinforcing sheet is provided with a locking part at the rear and lower part of the fixing part, and the aforementioned first reinforcing sheet is buckled and pressed on the locking part.

Wherein, the front end of the elastic arm is provided with an inclined portion, and the inclined portion includes a first inclined portion inclined downward from the upper surface of the elastic arm, and a first boss is arranged in front of the first inclined portion.

Wherein, the inclined portion includes a second inclined portion that protrudes from the inner surface of the elastic arm, and a second boss is arranged in front of the second inclined portion.

The beneficial effect of the utility model is: the first stuck point and the second stuck point on the first terminal are located behind the first contact portion, ensuring that the vertical projections of the first and second rows of terminals do not overlap and that the two terminals can be kept Enough distance to avoid high frequency signal crosstalk problem between two terminals. In addition, the second clamping point clamps the insulating body at the place where the first connection part is close to the first welding part, so as to ensure that the terminal does not tilt downward, and is effective in ensuring the flatness and coplanarity of the terminal welding part.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram (1) of an embodiment of the electrical connector of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram (2) of an embodiment of the electrical connector of the present invention;

Fig. 3 is a perspective view of the first reinforcing plate of the electrical connector of the present invention;

Fig. 4 is a perspective view of the second reinforcing plate of the electrical connector of the present invention;

Fig. 5 is a partially enlarged view of the electrical connector of the present invention;

Fig. 6 is a diagram of the first terminal and the second terminal in the embodiment of the electrical connector of the present invention;

Fig. 7 is a matching diagram of the electrical connector of the present invention and the module card.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is said to be "fixed" to another element, it may be directly on the other element, or there may be one or more intervening elements therebetween. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The "rear" used in this specification refers to the direction of the soldering part of the terminal, and the "front" refers to the opposite direction to the "rear". The directions mentioned in the instructions are expressed in the direction shown in Figure 1, but these The expression of direction is only used for the description of this manual, and the specific direction is determined according to actual needs.

Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terminology used in the description of the utility model in this specification is only for the purpose of describing the specific implementation, and is not used to limit the utility model. The term "and/or" used in this specification includes any and all combinations of one or more of the associated listed items.

The utility model will be described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the card connector includes an insulating housing 10 , a first terminal 20 assembled in the insulating housing, a second terminal 30 , a first reinforcing piece 40 and a second reinforcing piece 50 .

The base 11 of the insulating body 10 and the two elastic arms 12 extending forward on both sides of the base 11 form an inserting space 101 for accommodating a module card. The elastic arm 12 is provided with an inclined portion, and the inclined portion includes a first inclined portion 120 formed by inclining downward from the upper surface of the elastic arm 12 toward the front end. The part further includes a second oblique part 123 protruding from the inner surface of the elastic arm 12 toward the front end, and a first boss 124 is formed at the end of the second oblique part 123. The first oblique part 120 and the second oblique part 123 The elastic arm 12 is inclined from the same position, and its two ends terminate on the same plane. The base 12 is provided with a first terminal groove 102 for accommodating the first terminal 20 and a second terminal groove 103 for accommodating the second terminal 30, wherein the first terminal groove 102 is partially opened upwards and opened successively in the direction of the rear end, wherein the terminals opened upwards A stepped shape is formed between the groove portion and the upper surface of the base portion 10 , so that part of the structure of the first terminal 20 is exposed outside the insulating body 10 . The insulating body 10 is provided with a slot bar 104 between the terminal slots for accommodating the second contact part of the second terminal 30, and a slope-shaped guide part 105 is provided on part of the slot bar 104. In this embodiment, the guide part 105 is provided The slot bar 104 and the slot bar 104 not provided with the guide part 105 are arranged at intervals. When the module card is inserted obliquely from top to bottom, the guide part 105 guides the module card on the one hand, and on the other hand can also provide for the module card. A certain storage space is conducive to better insertion of module cards.

The first terminal 20 includes a first contact portion 21 , a first connection portion 22 , and a first welding portion 23 located on the same plane. The first connection portion 22 is respectively provided with a first locking point 220 and a The second clamping point 221, wherein the first clamping point 220 is located at the rear and upper side of the second clamping point 221, the first terminal 20 is assembled behind the insulating body 210, the second clamping point 221 is accommodated inside the insulating body 10, the first clamping point 220 There is a gap between the first connecting part 22 . After the assembly is completed, the first locking point 220 is exposed outside the insulating body 10 , and its front end is engaged with the insulating body 10 to prevent the first terminal 20 from being separated from the insulating body 10 . The second terminal includes a second contact portion (not marked), a second connecting portion (not marked), and a second welding portion (not marked) located on the same plane.

The first reinforcing piece 40 is fixed on the bottom of the elastic arm 12, and it includes a first fixing part 41, a stop part 42 and a fixing foot 43 arranged in sequence from front to back, and the first fixing part 41 is backward from the front end of the first reinforcing piece 40. The elastic arm 12 is provided with an opening adapted to the first fixing part 41 , so as to fix the first reinforcement sheet 40 on the elastic arm 12 , and a gap is formed at the bending part of the first fixing part 41 . The stop part 42 extends upward from one side of the elastic arm 12, and it is located on the outside of the elastic arm 12. When the module card is inserted, the elastic arm 12 is formed outwardly, and the stop part 42 can effectively prevent the elastic arm 12 from over-rotating. formed outside. The fixing foot 43 is also located outside the elastic arm 12 , and is formed by extending upward from one side of the elastic arm 12 , and is provided with a reinforcing rib 430 , and the fixing foot 430 is welded on an external circuit board.

The second reinforcing piece 50 is fixed on the outside of the elastic arm 12, and it includes a second fixing portion 51 and a clip portion 52 arranged in sequence from front to back, wherein the clip portion 52 is located at the rear and lower side of the second fixing portion 51, and the second fixing portion 51 One side of the second reinforcing piece 50 is bent toward the inner side of the elastic arm 12 . The front end of the elastic arm 12 is provided with an opening adapted to the second fixing portion 51 , and the second fixing portion 51 is fastened into the opening. The clip part 52 is received in the notch formed by the bending part of the first fixing part 41 , and the first fixing part 42 is buckled on the clip part 52 to fix the first reinforcing piece 40 and the second reinforcing piece 50 together.

When in use, the module card enters and exits the card connector obliquely from top to bottom. The slope-shaped structure of the first slope and the second slope can effectively guide the smooth insertion of the module card, and the first convex part can detect the module. Whether the card is fully inserted obliquely, when the module is fully inserted obliquely, downward force is applied to make the module card move downward, and the elastic arm expands outward to form the module card to continue to move downward until the module card is correctly inserted in place, and then The elastic arm is restored to form, and the module is stuck against the second bump to prevent falling off.

In this embodiment, the first clamping point and the second clamping point are located behind the first contact portion to ensure that the vertical projections of the first and second rows of terminals do not overlap and a sufficient distance can be maintained between the two terminals to avoid a gap between the two terminals. The problem of crosstalk between high-frequency signals. In addition, the second clamping point clamps the insulating body at the place where the first connection part is close to the first welding part, so as to ensure that the terminal does not tilt downward, and is effective in ensuring the flatness and coplanarity of the terminal welding part.

It should be noted that, the description of the utility model and the accompanying drawings have given the preferred implementation of the utility model, but the utility model can be realized in many different forms, and is not limited to the description in this specification. Embodiments, these embodiments are not used as additional restrictions on the content of the present utility model, and the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive. Moreover, the above-mentioned technical features continue to be combined with each other to form various implementations not listed above, which are all considered to be within the scope of the description of the utility model; furthermore, those of ordinary skill in the art can improve or improve according to the above description. Transformation, and all these improvements and transformations should belong to the protection scope of the appended claims of the present utility model.

Claims (10)

1. A card connector, comprising an insulating body with a plug-in space, a first terminal and a second terminal assembled in the insulating body, the insulating body includes a base and elastic arms extending forward from both sides of the base, and the first terminal includes The first contact portion, the first connection portion, and the first welding portion located on the same plane, the second terminal includes the second contact portion, the second connection portion, and the second welding portion located on the same plane, and the insulating body is provided with a first terminal slot and the second terminal slot, which is characterized in that: the first terminal slot is partially open upwards, and the first terminal is provided with a first clamping point located at the upper rear of the first contact portion, and the first clamping point is exposed outside the first terminal slot , and snap on the insulating body. 2. The card connector according to claim 1, characterized in that: the insulating body is provided with a plurality of grooves, a second terminal groove for accommodating the second terminal is formed between the grooves, and slopes are formed on the grooves. The avoidance part. 3 . The card connector according to claim 1 , wherein the first terminal is provided with a second card point located on the rear upper side of the first contact portion, and the second card is fixed inside the insulating body. 4 . 4. The card connector according to claim 2, characterized in that: the card connector further comprises a first reinforcing piece fixed on the upper bottom of the elastic arm, and the front terminal of the first reinforcing piece is provided with a first bending from front to back. fixed part. 5 . The card connector according to claim 4 , wherein the first reinforcing piece is bent upwards from a side to extend a fixing foot, and the fixing foot is provided with a reinforcing rib. 6 . 6 . The card connector as claimed in claim 4 , wherein a blocking portion is bent upward from the side of the first reinforcing piece, and the blocking portion is located outside the elastic arm. 7 . 7. The card connector according to any one of claims 4 to 6, characterized in that: the card connector further comprises a second reinforcement piece fixed on the outside of the elastic arm, the second reinforcement piece is bent toward the inside of the reinforcement wall with a first Two fixing parts, the second fixing part is engaged with the upper part of the elastic arm. 8 . The card connector according to claim 7 , wherein the second reinforcing piece is provided with a locking portion behind the fixing portion, and the first reinforcing piece is buckled and pressed on the locking portion. 9 . 9. The card connector according to claim 1, characterized in that: the front end of the elastic arm is provided with an inclined portion, and the inclined portion includes a first inclined portion inclined downward from the upper surface of the elastic arm, the first A first boss is arranged in front of the slope. 10. The card connector according to claim 9, wherein the inclined portion includes a second inclined portion that protrudes from the inner surface of the elastic arm, and a second boss is arranged in front of the second inclined portion .