TWI519003B - card connector - Google Patents

Description

Card connector

The present invention relates to a connector, and more particularly to a card connector.

A card connector according to the Chinese Patent No. M439283, which comprises an insulative housing, a conductive terminal fixed to the insulative housing and configured to cooperate with the electronic card, and a card ejecting mechanism mounted on one side of the insulative housing. And a tray for carrying an electronic card. A receiving space is defined in the insulative housing, the tray includes a main body portion and a cover body at a front end of the main body portion. One side of the cover body is provided with a through hole, and the main body portion of the tray is installed in the receiving space. The card mechanism includes a push rod and an actuator that is pressed against the push rod. When the electronic card is disassembled, a thimble is passed through the through hole of the cover body to abut the push rod, and the push rod pushes the actuator to eject the tray with the electronic card inside. When installing the electronic card, place the electronic card in the main body of the tray and push the tray inward to the mounting position.

However, due to the tolerances of the card connector and the circuit board assembly and the tolerance of the card connector itself, the outer surface of the cover of the tray and the outer surface of the electronic device housing may not be flush, and a concave or convex appearance may occur. .

SUMMARY OF THE INVENTION The object of the present invention is to provide a card connector in which the outer side surface of the cover portion of the tray is flush with the outer surface of the electronic device housing to prevent the appearance of a drop in appearance.

In order to achieve the above object, the present invention provides a card connector that is mounted in an electronic device for connecting a circuit board of an electronic device and an electronic card, and an opening is formed in the outer casing of the electronic device; the card connector includes an insulative body a plurality of conductive terminals, at least one card retracting mechanism, a tray, at least one set of resetting mechanism and a shielding shell; the insulating body is provided with a receiving space; the plurality of conductive terminals are fixed on the insulating body and extend into the receiving space; The tray is mounted on the side of the insulative housing; the tray is configured to carry the electronic card, and is slidably mounted in the receiving space from the opening, and includes a main body portion and a cover portion disposed at the front end of the main body portion, and the cover portion The left and right sides and the upper and lower sides of the cover body extend beyond the main body portion, and the size and shape of the cover body portion correspond to the size and shape of the opening; the reset mechanism is installed at the front portion of the insulating body and elastically protrudes from the front surface of the insulating body, and is reset The front portion of the mechanism is biased against the rear surface of the cover portion and the inner surface of the electronic device housing; the shielding housing is covered and held on the outside of the insulating body.

In summary, the card connector of the present invention is provided with a reset mechanism at the front of the insulative housing, and the reset mechanism elastically protrudes from the front surface of the insulative housing and elastically abuts against the rear surface of the cover portion of the tray to advance the tray Moving until the reset mechanism is springed against the inner surface of the outer casing of the electronic device, so that the front surface of the cover portion is flush with the outer surface of the outer casing of the electronic device, and no concave or convex appearance is caused to cause a difference in appearance.

100‧‧‧ Card connector 10‧‧‧Insulated body 11‧‧‧Substrate 111‧‧‧First opening 112‧‧‧Second opening 113‧‧‧First guiding groove 114‧‧‧Second guide Guide groove 115‧‧‧ Guided slot 12‧‧‧First side wall 13‧‧‧Second side wall 131‧‧‧First bump 132‧‧‧Second bump 133‧‧‧ Heart-shaped groove 134 ‧‧‧Lock card section 14‧‧‧ Third side wall 141‧‧‧Second pillar 15‧‧‧ Containment space 20‧‧‧Electrical terminal 21‧‧‧ Holding part 22‧‧‧Contact part 23‧‧‧ Welding part 30‧‧‧Retracting mechanism 31‧‧‧Slider 311‧‧‧ Base 312‧‧ § Stop 313‧‧ ‧Retracting part 314‧‧‧ Guided projection 315‧‧‧ First guide 316 ‧‧‧Second rail 317‧‧‧ Missing trough 318‧‧‧ Third stud 319‧‧‧ Insert hole 32‧‧‧ Spring 33‧‧‧ Guide 40‧‧‧Clamping shrapnel 41‧‧‧ Retention Department 42‧‧‧Flexibility 421‧‧‧Keeping Department 50‧‧‧Reset Mechanism 51‧‧‧Right to the top 511‧‧Abut the base 512‧‧‧ Activity Department 513‧‧‧Limited 514‧‧‧4th pillar 52‧‧ ‧Flexible parts 60‧‧‧Tray 61‧‧‧ Main body 62‧‧‧ Cover part 63‧‧‧ Card storage slot 64‧‧‧Clamping groove 70‧‧‧Shading housing 200‧‧‧Electronic card 300 ‧‧‧Electronic device 301‧‧‧ Opening 121, 138‧‧ ‧ elastic retaining groove 122, 135‧‧‧ first receiving groove 123, 136‧‧‧ first stud 124, 137‧‧‧ first slot

The first figure is a perspective view of an embodiment of the card connector of the present invention.
The second figure is an exploded perspective view of the card connector of the present invention shown in the first figure.
The third figure is a perspective view of the slider of the card connector of the present invention.
The fourth figure is a state diagram of the installation process when the card connector of the present invention is mounted with an electronic card.
The fifth figure is a state diagram of the card connector of the present invention after the electronic card is installed.
The sixth drawing is a state diagram of the card connector of the present invention when the electronic card is removed.

In order to explain the technical content, structural features, objectives and effects of the present invention in detail, the following detailed description is given by way of example.

Referring to the first, second, fifth and sixth figures, the card connector 100 of the present invention is mounted inside an electronic device 300 for connecting a circuit board (not shown) of the electronic device 300 and an electronic device. The card 200 has an opening 301 on the outer casing of the electronic device 300, including an insulative housing 10, a plurality of conductive terminals 20, at least one card ejecting mechanism 30, two latching springs 40, at least one reset mechanism 50, and one for carrying an electronic card. A tray 60 of 200 and a shield housing 70.

Referring to the second figure, the insulative housing 10 has a substrate 11. The opposite sides of the substrate 11 respectively protrude upwardly from a first sidewall 12 and a second sidewall 13. The rear side of the substrate 11 protrudes upward. A third side wall 14 connecting the first side wall 12 and the second side wall 13 , the first side wall 12 , the second side wall 13 , the third side wall 14 and the substrate 11 enclose a receiving space 15 . The substrate 11 defines a plurality of first openings 111 and a plurality of second openings 112 arranged laterally at the receiving space 15 . The upper surface of the rear portion of the first side wall 12 defines a resilient receiving slot 121 that communicates with the receiving space 15. The upper surface of the front portion of the first side wall 12 defines a first receiving slot 122 and a rear wall of the first receiving slot 122. A first protrusion 123 is protruded from the upper portion. A first slot 124 communicating with the first receiving slot 122 is defined in the upper portion of the front surface of the first side wall 12. The lower surface of the first slot 124 is a circular arc surface.

Referring to the second figure, a front surface of the inner surface of the second side wall 13 protrudes inwardly from the first protrusion 131. The rear surface of the first protrusion 131 is on the side close to the receiving space 15. A second protrusion 132 having a rectangular shape is projected rearward. The upper surface of the first protrusion 131 is adjacent to the side of the second side wall 13 and has a card-shaped groove 133. A locking portion 134 is protruded from the core groove 133. A first receiving slot 135 is defined in the upper surface of the first receiving slot 135. A first protruding post 136 protrudes from the rear wall of the first receiving slot 135. A first slot 137 is formed in the upper portion of the front surface of the first protrusion 131. The lower surface of the first slot 137 is a circular arc surface, and the second protrusion 132 is opened and received. The elastic piece holding groove 138 is connected to the space 15. A first guiding groove 113 extending in a front and rear direction is formed on the upper surface of the substrate 11 on the side of the second side wall 13 . The upper surface of the substrate 11 is open to the rear of the receiving space 15 and has a rectangular shape. The second guiding groove 114 , the first guiding groove 112 and the second guiding groove 114 all extend to the front surface of the third side wall 14 and the rear surface of the first protrusion 131 . The upper surface of the substrate 11 defines a guiding slot 115 extending rearward to the front surface of the third side wall 14 at a rear portion adjacent to the side of the second side wall 13. A second protrusion 141 protrudes from the front surface of the third side wall 14 at the first guiding groove 113.

Referring to the second figure, the plurality of conductive terminals 20 each have a holding portion 21, a contact portion 22 which is bent from the middle of the holding portion 21 and which is bent forward and then extended downward and then bent downward. The rear end edge of the holding portion 21 is extended rearward and then bent downward to extend the welded portion 23 extending backward.

Referring to the second and third figures, the card ejecting mechanism 30 includes a slider 31, a spring 32 and a guiding member 33. The slider 31 has a rectangular base portion 311. A rear side of the side surface of the base portion 311 protrudes outwardly from a rectangular stop portion 312. The rear end of the stop portion 312 protrudes outwardly from the rear end portion. 313. A guiding protrusion 314 protrudes downward from a lower surface of the card ejecting portion 313. A lower surface of the base portion 311 protrudes downwardly from a side away from the ejecting portion 313, and a first guide rail 315 having an arc shape extending forwardly and downwardly is formed. The lower surface of the base portion 311 is downwardly protruded from a side close to the ejecting portion 313. A second rail 316 having a rectangular shape extending forward and backward. The base portion 311 defines a rectangular cutout 317 at a rear portion of the base portion 311. The base portion 311 protrudes rearwardly from the cutout portion 317 to form a third protrusion 318. The front portion of the upper surface of the base portion 311 defines a downwardly extending hole. 319.

Referring to the second figure, the holding elastic piece 40 has a holding portion 41 and an elastic portion 42 connecting one end of the holding portion 41. The central portion of the elastic portion 42 is outwardly punched out with an arched holding portion 421.

Referring to the second figure, the reset mechanism 50 includes an abutting top 51 and an elastic member 52. The abutting top portion 51 has a rectangular abutting base portion 511. The rear surface of the abutting base portion 511 protrudes rearwardly from a movable portion 512. The lower surface of the movable portion 512 is a circular arc surface, and the rear end edge of the movable portion 512 is A limiting portion 513 is protruded outwardly from the left and right sides, and a fourth protrusion 514 is protruded rearward from the rear surface of the movable portion 512.

Referring to the second and sixth figures, the tray 60 includes a main body portion 61 having a rectangular plate shape and a cover portion 62 disposed at the front end of the main body portion 61. The left and right sides of the cover portion 62 and the upper and lower sides Both of them extend beyond the main body portion 61, and the size and shape of the lid portion 61 correspond to the size and shape of the opening 301. A card receiving slot 63 for receiving the electronic card 200 is defined in the upper surface of the main body portion 61. A latching recess 64 is defined in each of the two sides of the main body portion 61.

Referring to FIG. 1 to FIG. 6 , when the card connector 100 of the present invention is assembled, first, each of the conductive terminals 20 is fixed on the insulating upper body 10 and protrudes into the receiving space 15 . Specifically, each of the holding portions 21 is fixed in the substrate 11 of the insulative housing 10, and the contact portions 22 are received in the first opening 111 and protrude from the upper surface of the base 11 into the receiving space 15, respectively. It is received in the second opening 112 and soldered to a circuit board (not shown).

Secondly, the two holding elastic pieces 40 are respectively held on both sides of the insulating body 10. Specifically, the retaining portion 41 and the elastic portion 42 of the latching elastic piece 40 are retained in the elastic piece holding groove 121 and the elastic piece holding groove 138, and the engaging portion 421 extends into the receiving space.

Thereafter, the card ejecting mechanism 30 is slidably mounted on the insulative housing 10. Specifically, the first rail 315 of the slider 31 is slidably mounted in the first guiding slot 113, and the second rail 316 of the slider 31 is slidably mounted in the second guiding slot 114, and the slider 31 is retracted. The card portion 313 extends into the receiving space 15, and the guiding protrusion 314 is slidably received in the guiding slot 115. One end of the spring 32 is sleeved on the second protrusion 141 and abuts against the third side wall 14. The other end of the spring 32 is sleeved on the third protrusion 318 and abuts against the base 311 of the slider 31. The slider 31 is pushed forward by the elastic force of the spring 32 until the front surface of the base portion 311 abuts against the rear surface of the first bump 131, and the front surface of the stopper portion 312 abuts against the rear surface of the second bump 132. One end of the guiding member 33 is locked in the insertion hole 329, and the other end is slidably engaged in the heart-shaped groove 133.

After that, the two sets of reset mechanisms 50 are mounted on the front portion of the insulative housing 10, and the two sets of reset mechanisms 50 are elastically protruded from the front surface of the insulative housing 10. Specifically, the movable portion 512 of the front portion of the top portion 51 is slidably mounted in the first slot 124 and the first slot 137, and the abutting base portions 511 of the front end of the two abutting portions 51 respectively protrude from the first side wall. 12 and the front surface of the first bump 131, the limiting portion 513 and the fourth protruding post 514 of the rear portion of the top portion 51 respectively extend into the first receiving groove 122 and the first receiving groove 135, and the two elastic members 52 are respectively installed One end of each of the elastic members 52 is sleeved on the first protrusion 123 and the first protrusion 136 and abuts against the first receiving slot 122 and the first receiving slot, respectively, in the first receiving slot 122 and the first receiving slot 135. On the rear wall of the 135, the other ends of the two elastic members 52 are respectively sleeved on the fourth protrusion 514 and abut against the rear surface of the limiting portion 513 of the abutting portion 51, and the elastic force of the two elastic members 52 will bring the two to the top. 51 is pushed forward until the front surface of the limiting portion 513 abuts against the front wall of the first receiving groove 122 and the first receiving groove 135, and the front surface of the two abutting base portions 511 is abutted against the electronic device. The inner surface 300 of the housing.

Further, the tray 60 is slidably fitted back and forth from the opening 301 in the accommodating space 15, the rear wall of the main body portion 61 abuts against the ejector portion 313 of the top slider 31, and the abutting base portion 511 at the front portion of the reset mechanism 50 is spring-impeded. On the rear surface of the cover portion 62, the latching elastic piece 40 is engaged with the retaining groove 64. Finally, the shielding case 70 is covered on the outside of the insulative housing 10.

Referring to the first to fifth figures, when the electronic card 200 is mounted to the card connector 100 of the present invention, the pull-out tray 60 mounts the electronic card 200 in the card receiving slot 63; pressing the cover portion 62 of the tray 60, The tray 60 is moved rearward, and the two side walls of the main body portion 61 abut against the locking portion 421 to compress and deform the elastic portion 42 of the holding elastic piece 40. The rear surface of the cover portion 62 abuts against the front surface of the abutting base portion 511, and the elastic member 52 Compressing and accumulating the elastic potential energy, the rear wall of the main body portion 61 abuts the ejecting portion 313 of the top slider 31 to push the slider 31 to move backward along the first guiding groove 113, the second guiding groove 114 and the guiding slot 115, The spring 32 compresses and accumulates the elastic potential energy, and the guiding member 33 moves backward along the heart-shaped groove 133; continues to move backward until the rear wall of the tray 60 abuts against the front surface of the third side wall 14; the hand is released by the spring 32 The elastic force pushes the slider 31 forward, and one end of the guiding member 33 in the heart-shaped groove 133 will abut against the locking portion 134 along the heart-shaped groove 133. The latching portion 421 of the latching elastic piece 40 is engaged with the retaining groove 64 of the main body portion 61 of the tray 60, and the elastic member 52 is elastically moved against the top portion 51 to move forward, and the abutting base portion 511 pushes the cover portion 62 to drive the tray 60. Moving forward until the upper and lower portions of the front surface of the abutting base 511 abut against the inner surface of the outer casing of the electronic device 300, the front surface of the cover portion 62 is flush with the outer surface of the outer casing of the electronic device 300, and the bare spot on the electronic card 200 The contact portion 23 of the conductive terminal 20 abuts, and the tray 60 and the electronic card 200 are locked.

Referring to the second, fourth, fifth and sixth figures, when the electronic card 200 is detached, the cover portion 62 of the tray 60 is pressed rearwardly, and the main body portion 61 of the tray 60 pushes the slider 31 to slide backward. The lead piece 33 is separated from the locking portion 134 at one end of the heart-shaped groove 133; the hand is released, and the ejecting mechanism 30 is pushed along the first guiding groove 113, the second guiding groove 114 and the guiding by the elastic force of the spring 32. The slot 115 slides forward until the front surface of the base 311 abuts against the rear surface of the first bump 131, and the front surface of the stop portion 312 abuts against the rear surface of the second bump 132, while the tray 60 The main body portion 61 is pushed forward by the card ejecting portion 313 of the ejecting mechanism 30. The front end of the tray 60 protrudes from the front surface of the outer casing of the electronic device 300. After the tray 60 is pulled out, the electronic card 200 can be conveniently removed.

In summary, the card connector 100 of the present invention is provided with a reset mechanism 50 at the front of the insulative housing 10, and the reset mechanism 50 elastically protrudes from the front surface of the insulative housing 10 and elastically abuts against the cover portion 62 of the tray 60. The rear surface moves the tray 60 forward until the reset mechanism 50 is biased against the inner surface of the outer casing of the electronic device 300, so that the front surface of the cover portion 62 is flush with the outer surface of the outer casing of the electronic device 300 without recession or The convexity produces a difference in appearance.

131‧‧‧First bump

132‧‧‧second bump

133‧‧‧heart shaped slot

134‧‧‧Lock Card Department

31‧‧‧ Slider

313‧‧‧Return Card Department

32‧‧‧ Spring

33‧‧‧Guide

40‧‧‧ card holding shrapnel

41‧‧‧ Holding Department

42‧‧‧Flexible Department

421‧‧‧Cars Department

50‧‧‧Reset mechanism

51‧‧‧ arrive at the top

511‧‧‧The top of the base

512‧‧‧ Activities Department

513‧‧‧Limited

52‧‧‧Flexible parts

60‧‧‧Tray

61‧‧‧ Main body

62‧‧‧ cover body

64‧‧‧ card holder groove

200‧‧‧electronic card

300‧‧‧Electronic devices

122, 135‧‧‧ first receiving trough

124, 137‧‧‧ first slot

Claims (10)

A card connector is disposed in an electronic device for connecting a circuit board of an electronic device and an electronic card, and an opening is formed in the outer casing of the electronic device, including:
The insulating body has a receiving space;
a plurality of conductive terminals fixed on the insulating body and extending into the receiving space;
At least one card ejecting mechanism is slidably mounted on one side of the insulative housing;
a tray for carrying an electronic card, which is slidably mounted in the accommodating space from the opening, and includes a main body portion and a cover portion disposed at the front end of the main body portion, and the left and right sides of the cover portion and the upper and lower sides are Exceeding the main body portion, the size and shape of the cover portion correspond to the size and shape of the opening;
At least one set of resetting mechanism is disposed at a front portion of the insulative housing and elastically protrudes from a front surface of the insulative housing, and a front portion of the reset mechanism is elastically abutted against a rear surface of the cover portion and an inner surface of the electronic device housing;
The shielding shell is covered and held on the outside of the insulating body. The card connector of claim 1, wherein the insulative housing has a substrate, and opposite sides of the substrate protrude upwardly from a first side wall and a second side wall, and the rear side of the substrate is upwardly A third side wall connecting the first side wall and the second side wall is protruded, and the first side wall, the second side wall, the third side wall and the substrate are enclosed as the receiving space. The card connector of claim 2, wherein the upper surface of the front portion of the first side wall defines a first receiving slot, and the upper portion of the front surface of the first side wall opens inwardly with the first receiving slot a first slot is formed in the front surface of the second side wall; a first protrusion is formed in the front surface of the second side wall; and a first receiving slot is defined in the upper surface of the first side of the first side wall. A first slot that communicates with the first receiving slot is defined in the upper portion of the front surface of the first bump; the reset mechanism includes a top portion and an elastic member, and the rear portion of the top portion is received in the first receiving slot. The front portion of the top portion is slidably disposed in the first slot and protrudes from the front surface of the first side wall and the first protrusion, and the elastic member is disposed in the first receiving slot, and one end of the elastic member abuts against the first On the rear wall of a receiving groove, the other end of the elastic member abuts against the rear surface of the top. The card connector of claim 3, wherein a first protrusion is protruded from a rear wall of the first receiving groove; the abutting top has an abutting base, and the rear surface of the abutting base is rearward A movable portion protrudes from the left and right sides and the bottom surface of the rear end edge of the movable portion, and a limiting portion is protruded outwardly, and a rear surface of the movable portion protrudes rearward with a fourth protruding post; Slidably disposed in the first slot, the top base protrudes from the front wall of the first side wall and the first protrusion, and the limiting portion and the fourth protrusion of the top portion protrude into the first receiving slot; One end of the elastic member is sleeved on the first protruding post, and the other end of the elastic member is sleeved on the fourth protruding post and abuts against the rear surface of the limiting portion. The card connector of claim 3, further comprising two clamping elastic pieces, wherein the two holding elastic pieces are respectively fixed on two sides of the insulating body, and the two sides of the main body part of the tray are provided with a holding groove When the tray is installed in the accommodating space, the latching elastic piece and the retaining groove are engaged. The card connector of claim 5, wherein the latching elastic piece has a retaining portion and an elastic portion connecting one end of the retaining portion, and the central portion of the elastic portion is outwardly punched out to form an arched latch. The upper surface of the rear portion of the first side wall defines a spring holding groove that communicates with the receiving space; the rear surface of the first protruding block protrudes rearward from a side close to the receiving space to form a second convex shape The second bump has a resilient retaining groove that communicates with the receiving space. The retaining portion and the elastic portion of the retaining elastic piece are retained in the elastic retaining groove, and the latching portion extends into the receiving space and is engaged with the retaining groove. The card is matched. The card connector of claim 3, wherein the card ejecting mechanism comprises a slider, a spring and a guiding member, one end of the spring abuts against the insulative body, and the other end of the spring abuts An upper surface of the first protrusion is disposed on an upper surface of the first side wall adjacent to the second side wall, and one end of the guiding member is mounted on the slider, and the other end of the guiding member is slidably engaged Heart shaped slot. The card connector of claim 7, wherein the slider has a base portion, and a rear portion of the side of the base portion protrudes outwardly from the rear portion, and a rear end of the stopper portion protrudes outwardly. a card-removing portion; a first rail extending forwardly and downwardly from a lower surface of the base portion away from the card-removing portion; a lower surface of the base portion protruding downwardly from a side close to the card-removing portion a first guiding groove extending forward and backward on a surface of the upper surface of the substrate adjacent to the side of the second side wall, and a second guiding groove extending forward and backward on the upper surface of the substrate adjacent to the side of the receiving space The first rail of the slider is slidably mounted in the first guiding slot, and the second rail of the slider is slidably mounted in the second guiding slot, and the card releasing portion of the slider extends into the receiving space, and the main body portion The rear wall abuts the card release portion of the top slider. The card connector of claim 8, wherein a lower surface of the ejecting portion protrudes downwardly from a guiding protrusion; the upper surface of the substrate is at a rear side of the side closer to the second side wall A guiding slot is opened, and the guiding protrusion is slidably received in the guiding slot. The card connector of claim 1, wherein a card receiving slot is defined in the main body portion, and the electronic card is installed in the card receiving slot.