TWI581520B - Small form factor pluggable connector with a locking and unlocking mechanism - Google Patents

Description

Small pluggable connector with locking and unlocking mechanism

The present invention relates to a connector, and more particularly to a small form factor pluggable connector having a latch and unlock mechanism.

At present, a small form factor pluggable (SFP) connector is a common optical/electrical communication transceiver module. Generally, a locking mechanism is disposed on the SFP connector. When the SFP connector is docked with a socket connector, the SFP connector needs to first protrude into a mask member, and the SFP connector is utilized by the locking mechanism. It is fixed into the mask to ensure its docking safety with the socket connector. When the connection needs to be disconnected, the SFP connector has to be separated from the mask by an unlocking mechanism for quick withdrawal.

However, as the connector becomes smaller and smaller, the density of the socket connector in the electronic device is gradually increased, and the mechanism for fixing or separating the SFP connector from the mask member becomes increasingly complicated, and its operation It has also become more difficult.

Therefore, it is necessary to provide a new small pluggable connector that simplifies its latching and unlocking mechanism to further simplify its unlocking operation.

The main object of the present invention is to provide a small pluggable connector with a locking and unlocking mechanism, which can be effectively locked or unlocked, and the locking and unlocking mechanism thereof The method is extremely convenient and fast.

Other objects and advantages of the present invention can be derived from the technical features disclosed herein. Learn more about it.

According to the above object of the present invention, the present invention provides a lock and unlocking machine The small form factor pluggable connector comprises a base, an outer cover mounted on the base, and a latch and unlocking mechanism mounted on the base and the outer cover. The base has a front insertion end and a rear fixed end, wherein the fixed end includes a fixed passage formed on a top surface of the fixed end, a spring mount disposed on a bottom surface of the fixed passage, a spring fixing hole formed on a bottom surface of the fixing passage and located behind the spring fixing seat, and a first shaft hole penetrating the left and right surfaces of the fixing end and being cut into two segments by the fixing passage. The outer cover has a front portion corresponding to the insertion end and a rear portion corresponding to the fixed end, wherein the rear portion includes an opening corresponding to the fixed passage of the base, and a corresponding to the first shaft hole a second shaft hole and a bottom fixing groove located behind the second shaft hole; the front portion includes a receiving chamber recessed downward from a top surface of the front portion, the receiving chamber and the opening communicate with each other; wherein When the cover is assembled on the base, the fixed passage, the spring fixing seat and the spring fixing hole are exposed in the opening, the second shaft hole is aligned with the first shaft hole, and the bottom fixing groove is used by the base The top surface of the seat is closed, and the receiving chamber is in communication with the fixed passage of the base. The locking and unlocking mechanism comprises: a torsion spring, an actuating member, a rotating member, and a fixing rod. The torsion spring is mounted on a spring mount of the base, the torsion spring includes a cylindrical spring body, an upright pin extending from one end of the cylindrical spring body and inserted into the spring fixing hole, and a cylinder The other end of the spring body projects and extends into the horizontal pin in the receiving chamber. The actuating member is rotatably mounted on the outer cover, the actuating member includes a horizontal rod rotatably received in the bottom fixing groove, An operating handle connected to the horizontal rod and located outside the outer cover and the base, and an arcuate projection formed on the horizontal rod and protruding rearwardly and exposed in the opening. The rotating member is rotatably mounted on the outer cover and the base, the rotating member includes a main body received in the fixing passage and the opening, and a cylindrical spring formed on the bottom surface of the main body to cover the torsion spring a receiving cavity of the body, a third shaft hole that is divided into two sections through the receiving cavity and is aligned with the first shaft hole and the second shaft hole, and a front side of the third shaft hole a latching arm that protrudes forwardly from the front surface of the main body into the receiving chamber, and a hook disposed on the top surface of the latching arm and protruding from the top surface of the front portion is disposed on the bottom surface of the latching arm And a spring pressing portion pressed on the horizontal pin of the torsion spring, a driving surface that is located behind the third shaft hole and pressed against the arcuate protrusion, and a direction extending beyond the driving surface The drive surface is pressed against the vertical retaining wall on the top surface of the fixed end. The fixing rod is inserted into the first shaft hole, the second shaft hole, the third shaft hole, and the cylindrical spring body of the torsion spring, and the rotating member is pivotally connected to the base and the outer cover.

In one embodiment, the spring mount has an arcuate concave surface and is standing upright a stop before the arcuate concave surface and a stop after standing behind the curved concave surface; the cylindrical spring body of the torsion spring is received in the curved concave surface, the upright prong is followed by the rear stop The surface is inserted into the spring fixing hole, and the horizontal pin protrudes from one side of the front block into the receiving chamber.

In one embodiment, the actuating member further includes two U-shaped brackets for connecting the operating handle and the horizontal rod, and the operating handle is disposed in parallel with the horizontal rod.

In one embodiment, the driving surface of the rotating member is a horizontal plane, and the spring pressing portion is a downwardly extending projection.

In one embodiment, the rear portion of the outer cover has a frame structure with a top a wall, a left side wall and a right side wall; the opening dividing the top wall into the left and right halves, the second shaft hole penetrating the left and right side walls, the bottom fixing groove being formed on the bottom surface of the top wall.

In one embodiment, the top surface of the rear portion of the outer cover is higher than the top of the front portion a shoulder is formed between the front portion and the rear portion; the receiving chamber is adjacent to the shoulder portion.

In one embodiment, the small form-factor pluggable connector further includes a grounding shell. It is surrounded and fixed to the periphery of the base and the outer cover, and is located close to the shoulder; the rear end of the grounding shell is formed with a plurality of elastic pieces which are bent outward and extend toward the shoulder.

In one embodiment, the insertion end of the base is provided with a support beam for Support the bottom wall of the containment chamber.

Compared with the prior art, the present invention has a small pluggable mechanism for locking and unlocking mechanisms. The connector is pulled out, and the locking and unlocking functions can be effectively performed due to the simple operation of the locking and unlocking mechanism.

1‧‧‧Small pluggable connector

10‧‧‧ Pedestal

11‧‧‧Insert

12‧‧‧ fixed end

110, 120, 210, 220‧‧‧ top

13‧‧‧Fixed channels

14‧‧‧Spring mount

140‧‧‧ curved concave

141‧‧‧ front stop

142‧‧‧ rear stop

15‧‧‧Spring fixing hole

16‧‧‧First shaft hole

17‧‧‧Support beam

20‧‧‧ Cover

21‧‧‧ front

22‧‧‧ Rear

221‧‧‧ left wall

222‧‧‧ right wall

223‧‧‧ top wall

23‧‧‧ Shoulder

24‧‧‧ openings

25‧‧‧Second shaft hole

26‧‧‧Bottom fixing groove

27‧‧‧ Containment room

270‧‧‧ bottom wall

30‧‧‧ Grounding shell

31‧‧‧Elastic film

40‧‧‧Lock and unlock mechanism

50‧‧‧Torque spring

51‧‧‧Cylindrical spring body

52‧‧‧Upright pins

53‧‧‧ horizontal pins

60‧‧‧Acoustic

61‧‧‧ horizontal pole

62‧‧‧Operation handle

63‧‧‧arc projection

64‧‧‧U-frame

70‧‧‧Rotating parts

71‧‧‧ Subject

72‧‧‧ containment chamber

73‧‧‧ Third Axial Hole

74‧‧‧Bucking arm

75‧‧‧ buckle

76‧‧‧ Spring pressing

77‧‧‧Drive surface

78‧‧‧ Vertical retaining wall

80‧‧‧Fixed rod

9‧‧‧Mask pieces

90‧‧‧ buttonhole

200‧‧‧ screws

1 is a perspective view of a small form factor pluggable connector with a locking and unlocking mechanism of the present invention.

2 is an exploded perspective view of the small pluggable connector with the locking and unlocking mechanism of the present invention.

Figure 3 is another perspective view of the base shown in Figure 2.

Figure 4 is another perspective view of the outer cover shown in Figure 2.

Figure 5 is a schematic view of another angle of the rotating member shown in Figure 2.

FIG. 6 is a schematic structural view of the outer cover and the base shown in FIG. 2, wherein the grounding shell is omitted.

Figure 7 is a partial cross-sectional structural view showing the latching and unlocking mechanism of the small form factor pluggable connector of the present invention in an initial state or a latching state.

Figure 8 is a partial cross-sectional structural view showing the latching and unlocking mechanism of the small form factor pluggable connector of the present invention in an unlocked state.

FIG. 9 is a schematic perspective view showing the small form factor pluggable connector of the present invention in an unlocked state.

FIG. 10 is a schematic perspective view of a mask member for accommodating the small pluggable connector of the present invention having a latching and unlocking mechanism.

The following description of the embodiments is presented with reference to the drawings The directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", etc., are only referred to the additional schema. Direction, for example, refer to the product structure direction of FIG. Therefore, the singular terms used are used to illustrate and understand the present invention and are not intended to limit the invention.

As shown in FIG. 1 and FIG. 2 , the small form factor pluggable connector 1 of the present invention mainly includes a base 10 , an outer cover 20 mounted on the base 10 , a surrounding and fixed to the base 10 , and A grounding shell 30 around the outer cover 20 and a latching and unlocking mechanism 40 mounted on the base 10 and the outer cover 20.

As shown in FIG. 2, the base 10 has a front insertion end 11 and a rear fixed end 12, and the top end 110 of the fixed end 12 is higher than the top surface 120 of the insertion end 11. The outer cover 20 has a front portion 21 corresponding to the insertion end 11 and a rear portion 22 corresponding to the fixed end 12. The top surface 220 of the rear portion 22 of the outer cover 20 is higher than the top surface 210 of the front portion 21 So at the front 21 A shoulder 23 is formed with the rear portion 22. As shown in FIG. 6, the front portion 21 of the outer cover 20 is assembled to the insertion end 11 of the base 10, and the rear portion 22 of the outer cover 20 is fastened to the fixed end 12 of the base 10 by screws 200. Basically, the insertion end 11 of the base 10 and the front portion 21 of the outer cover 20 are inserted into a mask member 9 (shown in FIG. 10) to interface with a socket connector (not shown). The fixed end 12 of the base 10 and the rear portion 22 of the outer cover 20 are exposed to the outside of the mask member 9.

As shown in FIG. 2, the grounding shell 30 surrounds the front portion 21 of the outer cover 20 and the base. The insertion end 11 of the seat 10 is located adjacent to the shoulder 23. The rear end of the grounding shell 30 is formed with a plurality of elastic pieces 31 bent outwardly and extending toward the shoulder portion 23 when the small-sized pluggable connector 1 is inserted into the mask member 9 as shown in FIG. The elastic pieces 31 on the grounding shell 30 will make elastic contact with the inner wall surface of the masking member 9 to ensure that the grounding shell 30 forms a complete grounding path with the masking member 9.

Please refer to FIG. 2 and FIG. 3 at the same time, the fixed end 12 of the base 10 includes a bit. A fixed passage 13 at an intermediate position of the top surface 120 of the fixed end 12, a spring mount 14 disposed on the bottom surface of the fixed passage 13 , and a bottom surface of the fixed passage 13 are formed on the bottom surface of the fixed passage 13 and located at the spring mount 14 A rear spring fixing hole 15 and a first shaft hole 16 extending through the left and right surfaces of the fixed end 12 and being cut into two by the fixing passage 13 are formed. As shown in FIG. 3, the spring mount 14 has an arcuate concave surface 140, a front stop 141 standing in front of the curved concave surface 140, and a rear stop 142 standing rearward of the curved concave surface 140. In the present embodiment, as shown in FIG. 3, the insertion end 11 of the base 10 is provided with a support beam 17 adjacent to the fixed end 12 and lower than the bottom surface of the fixed passage 13.

Referring to FIG. 4, the rear portion 22 of the outer cover 20 has a frame structure and has a frame structure. The top wall 223, the left side wall 221, and the right side wall 222. In detail, the rear portion 22 of the outer cover 20 includes an opening 24 formed at an intermediate position of the top wall 223 and dividing the top wall 223 into two halves. The second shaft hole 25 of the left and right side walls 221 and 222 and a bottom surface fixing groove 26 formed on the bottom surface of the top wall 223 and located behind the second shaft hole 25. Referring to FIG. 2 and FIG. 4 simultaneously, the front portion 21 of the outer cover 20 includes a receiving chamber 27 adjacent to the shoulder portion 23 and recessed downward from the top surface 210 of the front portion 21, the receiving chamber 27 and the opening. 24 communicate with each other along the length direction of the outer cover. In this embodiment, the receiving chamber 27 and the opening 24 are both located on the center line of the outer cover 20.

Referring to FIG. 6, when the outer cover 20 is assembled to the base 10, the outer cover The rear portion 22 of the 20 can partially cover the fixed end 12 of the base 10. At this time, the opening 24 of the outer cover 20 (refer to FIG. 2) corresponds to the fixed passage 13 of the base 10, and the fixed passage 13, the spring fixing seat 14 and the spring fixing hole 15 are exposed to the opening. 24; the second shaft hole 25 of the outer cover 20 is aligned with the first shaft hole 16 of the base 10; the bottom surface fixing groove 26 of the outer cover 20 is closed by the top surface 120 of the base 10; The containment chamber 27 of 20 is in communication with the fixed passage 13 of the base 10. In addition, the bottom wall 270 (shown in FIG. 4) of the receiving chamber 27 of the front portion 21 of the outer cover 20 is located on the support beam 17 (shown in FIG. 3) of the insertion end 11 of the base 10 and is The support beam 17 is supported.

As shown in FIG. 2, the buckle and unlocking mechanism 40 includes a torsion spring 50, which is consistent with The moving member 60, a rotating member 70, and a fixing rod 80.

As shown in FIG. 2, the torsion spring 50 is mounted on the spring mount of the base 10. In the above, the torsion spring 50 includes a cylindrical spring body 51, an upright pin 52 extending from one end of the cylindrical spring body 51, and a horizontal pin 53 extending from the other end of the cylindrical spring body 51.

Referring to FIG. 6, the cylindrical spring body 51 of the torsion spring 50 can be accommodated. In the arcuate concave surface 140 of the spring mount 14, the upright pin 52 is inserted into the spring fixing hole 15 of the base 10, and the horizontal pin 53 extends horizontally into the receiving chamber 27 of the outer cover 20. In detail, The upright pin 52 is inserted into the spring fixing hole 15 along the rear surface of the rear block 142 of the spring fixing seat 14, and the horizontal pin 53 protrudes from the side of the front block 141 of the spring fixing seat 14. And entering the containment chamber 27. When the torsion spring 50 is mounted on the base 10, its horizontal pin 53 is substantially in its original horizontally extended state.

As shown in FIG. 2, the above-mentioned actuating member 60 can be rotatably mounted to the outer cover 20 The actuating member 60 includes a horizontal rod 61, an operating handle 62 coupled to the horizontal rod 61, and an arcuate projection 63 projecting rearward from a central position of the horizontal rod 61. In the present embodiment, the operating handle 62 is disposed in parallel with the horizontal rod 61 and is connected by two U-shaped brackets 64.

Referring to FIG. 2 and FIG. 6 simultaneously, the horizontal rod 61 of the actuating member 60 is rotatable. The ground cover is placed in the bottom fixing groove 26 of the outer cover 20, and the curved protrusion 63 is exposed in the opening 24 of the outer cover 20. The operating handle 62 of the actuating member 60 is located outside the base 10 and the outer cover 20. In the present embodiment, when the latch and unlocking mechanism 40 are in an initial state or a latching state, the operating handle 62 is concealed below the base 10. When the buckle and the unlocking mechanism 40 are in the unlocked state, the operating handle 62 is lifted and away from the base 10.

As shown in FIG. 5, the above rotating member 70 can be rotatably mounted as shown in FIG. On the outer cover 20 and the base 10, the rotating member 70 has a main body 71, a receiving cavity 72 formed on the bottom surface of the main body 71, a third portion penetrating the left and right surfaces of the main body 71 and being divided into two sections by the receiving cavity 72. a latching hole 74, a latching arm 74 disposed in front of the third shaft hole 73 and extending forwardly from the front surface of the main body 71, and a hook 75 disposed on the top surface of the latching arm 74, a spring pressing portion 76 of the bottom surface of the latching arm 74, a driving surface 77 located behind the third shaft hole 73, and a vertical retaining wall extending behind the driving surface 77 and extending downward beyond the driving surface 77 78. In the present embodiment, the driving surface 77 is a horizontal surface, and the spring pressing portion 76 is a downwardly extending projection.

Please refer to FIG. 1 , FIG. 5 and FIG. 6 simultaneously, when the rotating member 70 is mounted on the outside. When the cover 20 is attached to the base 10, the main body 71 is received in the fixed passage 13 of the base 10 and the opening 24 of the outer cover 20 (refer to FIG. 2), and the top surface of the main body 71 and the outer surface The top surface 220 of the rear portion 22 of the cover 20 is flush. The receiving cavity 72 covers the cylindrical spring body 51 of the torsion spring 50. The third shaft hole 73 of the rotating member 70 is aligned with the first shaft hole 16 of the base 10 and the second shaft hole 25 of the outer cover 20. The latching arm 74 extends into the receiving chamber 27 of the outer cover 20. The clasp 75 is located outside the receiving chamber 27 and protrudes from the top surface 210 of the front portion 21 of the outer cover 20. The spring pressing portion 76 is located in the receiving chamber 27 and presses the horizontal pin 53 of the torsion spring 50 so that the horizontal pin 53 is displaced downward by a certain distance. At this time, the horizontal pin 53 applies a certain amount to the latching arm 74. The upward thrust causes the clasp 75 to have a certain holding force. The drive surface 77 is pressed against the arcuate projection 63 of the actuator member 60. The vertical retaining wall 78 is pressed against the top surface 120 of the fixed end 12 of the base 10 to prevent the hook 75 from rising upward by the horizontal pin 53 of the torsion spring 50, so that the hook 75 is You can maintain the initial state or the lock state.

As shown in FIG. 6, the fixing rod 80 is inserted into the first shaft hole 16, and the second shaft hole The third shaft hole 73 and the cylindrical spring body 51 of the torsion spring 50 are pivotally connected to the base 10 and the outer cover 20.

Referring to FIG. 7, when the buckle and the unlocking mechanism 40 are in an initial state, The hook 75 of the rotating member 70 extends from the top surface 210 of the front portion 21 of the outer cover 20. The spring pressing portion 76 presses the horizontal pin 53 of the torsion spring 50, and the horizontal pin 53 contacts the latching arm 74. A certain upward thrust is applied, so that the hook 75 has a certain holding force. At this time, since the vertical retaining wall 78 of the rotating member 70 is pressed against the top surface 120 of the fixed end 12 of the base 10, the rotating member 70 does not rotate clockwise. In addition, the driving surface 77 of the rotating member 70 is pressed against the curved protrusion 63. The operating handle 62 of the actuating member 60 is concealed under the base 10. When the small-sized pluggable connector 1 is inserted into the mask member 9 as shown in FIG. 10, the hook 75 is pressed down by the inner wall surface of the mask member 9 until the hook 75 is at the torsion spring 50. It is automatically rebounded into a buttonhole 90 in the mask member 9, thereby fixing the small pluggable connector 1 into the mask member 9 to prevent it from coming off the mask member 9. At this time, the lock and unlock mechanism 40 of the small pluggable connector 1 is in a latching state.

Please refer to FIG. 8 and FIG. 9, when the small pluggable connector 1 needs to be pulled out. When the mask member 9 is shown in FIG. 10, the operating handle 62 of the actuating member 60 is raised such that the arcuate projection 63 rotates counterclockwise, and the arcuate projection 63 will lift the rotating member 70 upward. The driving surface 77 rotates the rotating member 70 counterclockwise, thereby forcing the spring pressing portion 76 of the holding arm 74 to press the horizontal pin 53 of the torsion spring 50 downward, and the hook 75 can be lowered downward The receiving chamber 27 is flush or below the top surface 210 of the front portion 21. At this time, the latch and the unlocking mechanism 40 of the small pluggable connector 1 are in an unlocked state, and the hook 75 can be withdrawn from the buttonhole 90 of the mask member 9, and the small pluggable connector 1 can be Pulled out from the mask member 9. After being pulled out, the buckle and unlocking mechanism 40 is returned to the initial state again by the torsion spring 50.

1‧‧‧Small pluggable connector

10‧‧‧ Pedestal

11‧‧‧Insert

12‧‧‧ fixed end

110, 120, 210, 220‧‧‧ top

13‧‧‧Fixed channels

14‧‧‧Spring mount

15‧‧‧Spring fixing hole

16‧‧‧First shaft hole

20‧‧‧ Cover

21‧‧‧ front

22‧‧‧ Rear

23‧‧‧ Shoulder

24‧‧‧ openings

27‧‧‧ Containment room

30‧‧‧ Grounding shell

31‧‧‧Elastic film

40‧‧‧Lock and unlock mechanism

50‧‧‧Torque spring

51‧‧‧Cylindrical spring body

52‧‧‧Upright pins

53‧‧‧ horizontal pins

60‧‧‧Acoustic

61‧‧‧ horizontal pole

62‧‧‧Operation handle

63‧‧‧arc projection

64‧‧‧U-frame

70‧‧‧Rotating parts

80‧‧‧Fixed rod

Claims (8)

A small pluggable connector having a latching and unlocking mechanism, comprising a base, an outer cover mounted on the base, and a latching and unlocking mechanism mounted on the base and the outer cover, The base has a front insertion end and a rear fixed end, wherein the fixed end includes a fixed passage formed on a top surface of the fixed end, and a spring mount disposed on a bottom surface of the fixed passage a spring fixing hole formed on a bottom surface of the fixing passage and located behind the spring fixing seat, and a first shaft hole penetrating the left and right surfaces of the fixing end and being cut into two sections by the fixing passage; The cover has a front portion corresponding to the insertion end and a rear portion corresponding to the fixed end, wherein the rear portion includes an opening corresponding to the fixed passage of the base, and a first corresponding to the first shaft hole a second shaft hole and a bottom surface fixing groove behind the second shaft hole; the front portion includes a receiving chamber recessed downward from a top surface of the front portion, the receiving chamber and the opening communicate with each other; wherein when the outer cover is assembled In this When the seat is seated, the fixed passage, the spring fixing seat and the spring fixing hole are exposed in the opening, the second shaft hole is aligned with the first shaft hole, and the bottom fixing groove is closed by the top surface of the base The receiving chamber is in communication with the fixed passage of the base; and the locking and unlocking mechanism comprises: a torsion spring, an actuating member, a rotating member, and a fixing rod; wherein the torsion spring is mounted on the base a spring mounting seat, the torsion spring comprising a cylindrical spring body, an upstanding pin extending from one end of the cylindrical spring body and inserted into the spring fixing hole, and a protruding end from the other end of the cylindrical spring body a horizontal pin that extends into the containment chamber; The actuating member is rotatably mounted on the outer cover, the actuating member includes a horizontal rod rotatably received in the bottom fixing groove, and is connected to the horizontal rod and located at the outer cover and the base An operating handle outside the seat, and an arcuate protrusion formed on the horizontal rod and protruding rearwardly and exposed in the opening; the rotating member is rotatably mounted on the outer cover and the base, the rotating member The utility model comprises a main body accommodated in the fixed passage and the opening, a receiving cavity formed on the bottom surface of the main body for covering the cylindrical spring body of the torsion spring, and a left and right surfaces penetrating the main body are divided into two sections by the receiving cavity and a third shaft hole that is aligned with the first shaft hole and the second shaft hole, a fastening arm that is located in front of the third shaft hole and protrudes forward from the front surface of the body to enter the receiving chamber, and a setting a hooking portion of the top surface of the latching arm and protruding from the top surface of the front portion, a spring pressing portion disposed on the bottom surface of the latching arm and pressing on the horizontal pin of the torsion spring, and a third shaft a driving surface behind the hole and pressing against the curved protrusion, and a vertical retaining wall extending beyond the driving surface and pressing against the top surface of the fixed end in the direction of the driving surface; and the fixing rod is inserted into the first shaft hole, the second shaft hole, and the third shaft hole And the cylindrical spring body of the torsion spring, the rotating member is pivotally connected to the base and the outer cover. A small pluggable connector having a latching and unlocking mechanism according to claim 1, wherein the spring mount has an arcuate concave surface, a stop before standing in front of the curved concave surface, and an upright stand a retaining block behind the curved concave surface; the cylindrical spring body of the torsion spring is received in the curved concave surface, the upright pin is inserted into the spring fixing hole along the rear surface of the rear block, and the horizontal pin Then, it protrudes from one side of the front block and enters the accommodating chamber. The small pluggable connector with a locking and unlocking mechanism according to claim 1, wherein the actuating member further comprises two U-shaped brackets for connecting the operating handle and the horizontal rod, and The operating handle is disposed in parallel with the horizontal rod. A small pluggable connector having a latching and unlocking mechanism according to claim 1, wherein the driving surface of the rotating member is a horizontal plane, and the spring pressing portion is a downwardly extending projection. The small pluggable connector with a latching and unlocking mechanism according to claim 1, wherein the rear cover has a frame-shaped structure, and has a top wall, a left side wall and a right side wall; The opening divides the top wall into two left and right halves, and the second shaft hole penetrates the left and right side walls, and the bottom fixing groove is formed on the bottom surface of the top wall. A small pluggable connector having a latching and unlocking mechanism according to claim 5, wherein a top surface of the rear portion of the outer cover is higher than a top surface of the front portion, and the front portion and the rear portion are A shoulder is formed therebetween; the receiving chamber is adjacent to the shoulder. The small pluggable connector with a locking and unlocking mechanism according to claim 6, wherein the small pluggable connector further comprises a grounding shell surrounding and fixed to the base and the outer cover The periphery is adjacent to the shoulder; the rear end of the grounding shell is formed with a plurality of elastic sheets that are outwardly bent and extend toward the shoulder. A small pluggable connector having a latching and unlocking mechanism according to claim 1, wherein the insertion end of the base is provided with a support beam for supporting the bottom wall of the receiving compartment.