CN111384641A - Press-free electrical plug connector - Google Patents

Abstract

The invention discloses a press-free electric plug connector which comprises an electric plug connector main body, wherein a press-free disengaging device is arranged on the electric plug connector main body, the press-free disengaging device comprises an elastic sheet with a reset function, one end of the elastic sheet is fixed on an elastic sheet fixing seat, the other end of the elastic sheet is linked with one end of a shifting sheet with a pull-reset function, the shifting sheet is arranged on a flip plate in a sliding mode, and the other end of the shifting sheet extends to the outer side of the flip plate to form a shifting part for shifting a finger. The user outwards pulls the stirring portion, and the plectrum drives the shell fragment and outwards stretches, because the one end of shell fragment is fixed for the shell fragment pushes down, breaks away from the state with the server interface, can directly take out electrical plug connector. Through the outside pull-out plectrum, overcome the inconvenient problem of operation of pulling out on the intensive wiring server, make electric plug connector have the simple operation, the convenient advantage of plug.

Description

Press-free electrical plug connector

technical field

The invention relates to a press-free electrical plug connector, which overcomes the problem of inconvenient insertion and removal of the electrical plug connector caused by narrow space.

Background technique

As shown in FIG. 1 is an existing electrical plug connector, which includes an electrical plug connector body with a plug portion, and an elastic sheet fixing seat 3 ′ is provided at the end of the plug portion, which has a reset function. One end of the elastic piece 2' is fixed on the elastic piece fixing seat 3', and the other end is fixed on the shell at the hinge of the flip plate 1'. When the electrical plug connector is plugged on the dense wiring server, since the electrical plug connector is plugged at the interface of the server and is fixedly connected with it, when the electrical plug connector needs to be removed, the limited electrical plug Due to the narrow space between the connectors, it is difficult for a human hand to reach the plug head of the electrical plug connector and press down the spring piece 2' to take it out. The plug connector will cause damage to the plug part, affecting the service life of the electrical plug connector, and the user experience is also very poor.

SUMMARY OF THE INVENTION

In order to overcome the above shortcomings, the purpose of the present invention is to provide a pressure-free electrical plug connector, which can press down the spring piece at the tail of the electrical plug connector, so as to facilitate personnel to plug and unplug the electrical plug connector.

In order to achieve the above purpose, the technical solution adopted in the present invention is: a pressure-free electrical plug connector, comprising an electrical plug connector main body, the electrical plug connector main body is provided with a pressure-free disengagement device, the The pressure-free disengagement device includes a spring piece with a reset function, one end of the spring piece is fixed on the spring piece fixing seat, and it is characterized in that: the other end of the spring piece is linked with one end of the pick piece with the pull-reset function, and the pick piece slides Set on the flip plate, the other end of the paddle is a toggle portion for fingers to toggle. The front end of the pick is the rigidity of the stamping part, which ensures the stability of the linkage, and the rear end is the injection part, which increases the safety and convenience in the operation process. The use of embedded one-piece connection at both ends ensures the stability of the pick and increases the service life.

In the present invention, the paddle is designed to be linked with the elastic piece by adding a paddle that can be moved externally, so that the finger does not need to be inserted into the plug portion of the electrical plug connector, and the electrical plug can be connected only by pulling the paddle externally. The device is taken out from the interface of the server, which is easy to operate, effectively solves the problem of insufficient space of the dense wiring server and affects the user experience, and also effectively avoids the problem of service life caused by insufficient pressing of the shrapnel.

Further, one end of the elastic piece is a semi-circular groove with an upward notch, and one end of the plectrum linked with it is a circular lap portion whose outer surface is a curved surface. It is arranged in the semi-circular groove, and the paddle on the outer side of the circular overlapping portion is provided with a gap for the end of the semi-circular groove to be inserted; the semi-circular groove, the circular overlapping portion The hinge position of the adjacent flip plate at the joint. The connecting surfaces between the semi-circular groove and the circular lap joint are all curved surfaces. When the flip plate is turned over, the two can slide smoothly to avoid the occurrence of the round lap joint and the semi-circular groove. The problem of detachment, after the flip plate is closed (the flip plate is in the closed state when the electrical plug connector is in use), the circular lap joint and the end of the semi-circular groove are buckled together, so that the pick can be The shrapnel is driven to move backward, and since one end of the shrapnel is fixed, the pressing operation of the shrapnel is realized. By adopting the above-mentioned linkage method, the installation between the shrapnel and the paddle is convenient.

Further, the flip plate is provided with a paddle to be placed in the groove body, the flip plate below the groove body is also provided with a spring chamber that communicates with the groove body, and the bottom of the spring chamber is provided with a spring chamber. A toggle piece avoidance groove, a spring is arranged in the spring chamber; a toggle piece inserted into the spring chamber is provided on the lower end surface of the toggle piece; a limiter for pressing the toggle piece is arranged on the flip plate bit components. The sliding of the paddle on the flip plate is realized by the above method, and the reset of the paddle is realized by the spring reset.

Further, the slot body includes an up and down hollow slot, and a carrier plate for placing the pick is arranged in the hollow slot; one end of the hollow slot on one side of the elastic piece extends to the outside of the flip plate, and the hollow slot is The flip plate where the other end of the spring chamber is located is provided with a concave portion connected with it, and the spring chamber is located in the concave portion; the flip plate on which the outside of the spring chamber is located is provided with an insertion slot, and the insertion slot is The width is smaller than the outer diameter of the spring and communicates with the spring chamber. The above-mentioned insertion slot is for inserting the toggle piece, and since there is no spring in it, the installation of the toggle piece is very convenient.

Further, the limit assembly includes a pair of limit clamps and limit rails distributed on both sides of the bearing plate, the limit rails are horizontally arranged in the hollow grooves, and both ends of the limit rails are connected with the flip plate; a The limit clamping posts are arranged on the two inner side walls of the hollow slot.

Further, the limit rail and the flip plate are integrally formed, and the upper end surface of the limit rail and the upper end surface of the flip plate are in the same plane. By designing in this way, the firmness and appearance of the limit railing will be better.

Further, the paddle has a first limit slot for placing the limit rail, and a second limit slot for placing the limit clip. The sheet length is greater than the length of the carrier plate. On the one hand, the paddles and limit posts can ensure the horizontal movement of the paddles, and on the other hand, they also limit the front and rear movement range of the paddles to avoid excessive pulling of the shrapnel.

Further, the upper end surface of the limit clamping column is a plane or curved surface that slopes downward from the inside to the outside, and the two sides of the groove body of the second limiting groove are matched with the upper end surface of the limiting clamping column, which is inward. sloping sloped surface. In this way, it is convenient for the second limit groove to be installed under the limit clamping column.

Preferably, the toggle portion extends outward to the outside of the flip plate, and has a soft plastic pull ring at its tail to pull the toggle to achieve a press-free function, and the toggle portion is convenient for on-site personnel to toggle the toggle with fingers .

Preferably, the main body of the electrical plug connector and the tail portion of the flip plate are provided with corresponding hooks and locking points. It is convenient to install the thread fastening part of the rear pre-wire.

Preferably, the main body of the electrical plug connector and the rear part of the flip plate are provided with upper and lower semi-circular arc threaded plates. When the cover plate and the main body are fastened together, a cylindrical threaded opening is formed, and the threaded opening is provided with a pre-wire device. Using the pre-wire device makes the electrical plug connector more convenient and beautiful in actual wiring.

Description of drawings

FIG. 1 is a diagram of a prior art electrical plug connector.

FIG. 2 is a schematic structural diagram of the electrical plug connector in this embodiment.

FIG. 3 is a three-dimensional distribution diagram of the pressure-free disengagement device in this embodiment.

FIG. 4 is a perspective view of the flip plate in this embodiment.

FIG. 5 is a perspective view of the pick in this embodiment.

FIG. 6 is a front view of the pick in this embodiment.

Figure 7-1 is a schematic diagram of an electrical plug connector using a 45-degree pre-wire device.

Figure 7-2 is a schematic diagram of an electrical plug connector using a 90-degree pre-wired device.

Figure 7-3 is a schematic diagram of an electrical plug connector using a 180-degree pre-wired device.

FIG. 8( a ) is a circuit diagram of the PCB board in this embodiment.

Figures 8(b) and (c) are detailed circuit diagrams of the top and bottom layers of the PCB.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be more clearly defined.

Example

Referring to Figures 2 to 8, a pressure-free electrical plug connector in this embodiment includes an electrical plug connector body, and the electrical plug connector body is provided with a pressure-free disconnection device, so The press-free disengagement device includes a spring piece 2 with a reset function, one end of the spring piece 2 is fixed on the spring piece fixing seat 3, and the other end of the spring piece is linked with one end of the pick 4 with a pull-reset function. The paddle 4 is slidably arranged on the flip board 1 , and the other end of the paddle 4 extends to the outside of the flip board 1 to form a toggle portion for fingers to toggle. The front end of the pick is the rigidity of the stamping part, which ensures the stability of the linkage, and the rear end is the injection part, which increases the safety and convenience in the operation process. The use of embedded one-piece connection at both ends ensures the stability of the pick and increases the service life. When the user pulls the toggle portion outward, the toggle 4 drives the elastic piece 2 to stretch outward. Since one end of the elastic piece 2 is fixed, the elastic piece 2 is pressed down and disconnected from the server interface, and the electrical plug connector can be pulled out directly. The electrical plug connector of this embodiment has the advantages of convenient operation, convenient plugging and unplugging, and can overcome the problem of inconvenient unplugging operation on the dense wiring server.

As shown in FIG. 4 , in this embodiment, the flip plate 1 is first improved, and the paddle 4 can slide in the direction of its axis M. The flip plate 1 is provided with an up and down hollow slot 11 in the direction of the axis M. The flip plate 1 where one end of the hollow slot 11 is far away from the elastic piece 2 is provided with a concave portion 17 connected with it. The hollow slot 11 A part of it protrudes into the concave portion 17 to provide a sliding space for the paddle 4 to slide in the hollow slot 11 . It can be seen from FIG. 4 that the hollow groove 11 and the recessed portion 17 are both rectangular structures. The empty slot 11 is provided with a carrier plate 12 for placing the paddle 4 , and a limit rail 13 and a limit clamp 15 are arranged in the empty slot 11 where the front and rear sides of the carrier plate 12 are located. The limit rail 13 is close to the side of the elastic piece 2, and its upper end surface and the upper end surface of the flip plate 1 are in the same plane; the limit locking column 15 is located on the side away from the elastic piece 2, and its number is two, with the axis M is symmetrically distributed on the two inner walls of the cavity 11 . Since the paddle 4 needs to be embedded under the limit post 15 during use, the limit post 15 is designed at the upper edge of the empty slot 11 during design, and the upper end face of the limit post 15 is designed to be downward the inclined surface or the inclined curved surface, and limit the length of the limit clamping column 15, in this embodiment, the length of the limiting clamping column 15 is limited within 5mm. A spring chamber 14 for placing the spring 5 is provided on the flip plate 1 on both sides of the concave portion 17 , the bottom of the spring chamber is provided with a toggle piece avoiding groove, and the spring chamber 14 is located on the side close to the elastic piece 2 The flip plate 1 is provided with an insertion slot 16 communicating with the spring chamber 14 . The width of the insertion slot 16 is smaller than the diameter of the spring 5 to prevent the spring 5 from protruding into the insertion slot 16 . The rear end of the flip plate 1 is provided with an upper semi-circular threaded plate 19, and the rear end of the main body is provided with a lower semi-circular threaded plate 20. The upper threaded 19 and the lower threaded plate 20 form a cylindrical threaded opening after the flip plate is fastened to the main body. , used to install the pre-wire thread fastening device. The tail of the flip plate 1 is provided with a crimping plate downward, and the inner side of the crimping plate is provided with a hook 18, and the main body of the electrical plug connector is provided with a hook 5 corresponding to the hook 18. In the example, the line After the cable is pressed into the electrical plug connector, the hook is snapped and fastened, which is more convenient for the installation of the thread fastening part of the pre-wired wire in the rear section.

As shown in FIG. 5 and FIG. 6 , the pick 4 includes an elongated first base plate 41 placed in the cavity 11 . One end of the base plate is bent inward to form a circular overlapping portion 44 . The other end of the second base plate 45 is placed on the recessed part 17, and the second base plate 45 is provided with a toggle piece 46 that can be inserted into the insertion slot 16. The toggle part, the toggle part includes a pull ring 47 and a toggle link 48, one end of which is fixedly connected to the pull ring 47, the pull ring 47 is made of softer plastic, and the other side of the toggle link 48 One end is connected to the second substrate 45 . The first substrate 41 , the second substrate 45 , the circular overlapping portion 44 , the toggle piece 46 , the toggle connecting piece 48 , and the pull ring 47 are integrally formed. In this embodiment, the center line of the first substrate coincides with the center line of the second substrate 45 , and the number of the toggle pieces 46 is two, which are symmetrically distributed with the center line. As can be seen from FIGS. 5 and 6 , the first base plate is provided with a first limiting groove 42 recessed downward on the side close to the circular overlapping portion 44 , and the first limiting groove 42 is connected to the circular overlapping portion 44 . There are gaps between the connecting portions 44 for the elastic pieces 2 to be inserted. The first substrate 41 on the side close to the second substrate 45 has a second limiting groove 43 recessed downward, and the first substrate located between the first limiting groove 42 and the second limiting groove 43 is placed On the carrier board 12 , and its length is greater than the length of the carrier board 12 , so that the first substrate can slide on the carrier board 12 . As shown in FIG. 2 , during assembly, the limit rail 13 is placed in the first limit slot 42 , the limit post 15 is located in the second limit slot 43 , and at the same time, in order to facilitate the insertion of the second limit slot 43 into the limit Below the clamping column 15, two sides of the groove body of the second limiting slot 43 are provided with inwardly inclined inclined surfaces 48. When the first base plate is pressed down, it cooperates with the upper end surface of the limiting clamping column 15 to facilitate the second The limiting slot 43 is embedded under the limiting clamping post 15 . At the same time, the limit rail 13 is placed in the first limit slot 42 and the limit post 15 is placed in the second limit slot 43 , which also limits the sliding range of the paddle 4 on the flip plate 1 .

As shown in FIG. 3 , the elastic sheet 2 in this embodiment has the same structure as the existing elastic sheet, and includes a locking step 23 , a fixing block 21 located at one end of the locking step 23 , and a fixing block 22 at both ends of the fixing block 21 . , the difference lies in: the other end of the locking step 23 is provided with a connecting plate 24 , and the tail of the connecting plate 24 is a semicircular groove 25 . The fixing block 21 , the fixing column 22 , the locking step 23 , the connecting plate 24 and the semicircular groove 25 are integrally formed. In this embodiment, the notch of the semi-circular groove 25 faces upward, and a circular overlapping portion 44 is placed therein. The front end of the semi-circular groove 25 is inserted into the first limiting groove 42 and the circular overlapping portion 44 In the gap between them, the circular overlap portion 44 and the semicircular groove 25 are in a linked state, so that the operation of the paddle 4 to drive the elastic piece 2 to move outwards is realized. Since the flip plate 1 will be turned upwards in actual use, the contact surfaces of the circular overlap portion 44 and the semi-circular groove 25 are both curved surfaces, so that the two can be easily adjusted smoothly with the flip of the flip plate 1 . The position between the two can avoid the problem of separation between the circular overlapping portion 44 and the semicircular groove 25 .

As shown in FIG. 8( a , b , c ), the transmitted signal is optimized through the circuit on the PCB board, so that the electrical plug connector in this embodiment can meet the eight international transmission standards.

The present invention has the advantages of convenient operation and convenient plugging and unplugging by adding paddles on the traditional electrical plug connector and improving the original flip plate and shrapnel. .

The above embodiments are only to illustrate the technical concept and characteristics of the present invention, and their purpose is to allow those familiar with the art to understand the content of the present invention and implement it, and cannot limit the scope of protection of the present invention. Equivalent changes or modifications made should all be included within the protection scope of the present invention.

Claims (9)

1. Push-free electrical plug connector comprising an electrical plug connector body, characterized in that: the electric plug connector is characterized in that a pressing-free releasing device is arranged on the electric plug connector main body and comprises an elastic sheet with a reset function, one end of the elastic sheet is fixed on an elastic sheet fixing seat, the other end of the elastic sheet is linked with one end of a shifting sheet with a drawing reset function, the shifting sheet is arranged on a flip plate in a sliding mode, and the other end of the shifting sheet is a shifting part for a finger to shift.

2. Push-free electrical plug connector according to claim 1, characterized in that: one end of the elastic sheet is a semicircular groove with an upward notch, one end of the shifting sheet linked with the elastic sheet is a circular lapping part with a curved surface on the outer surface, the circular lapping part is arranged in the semicircular groove, and a gap for inserting the end part of the semicircular groove is arranged on the shifting sheet at the outer side of the circular lapping part; and the joint of the semicircular groove and the circular lapping part is at the hinge joint position of the adjacent flip plates.

3. Push-free electrical plug connector according to claim 2, characterized in that: the turning cover plate is provided with a groove body for placing a shifting sheet, the turning cover plate positioned below the groove body is also provided with a spring cavity communicated with the groove body, the bottom of the spring cavity is provided with a shifting sheet avoiding groove, and a spring is arranged in the spring cavity; the lower end face of the poking sheet is provided with a poking sheet inserted into the spring cavity; and the flip plate is provided with a limiting component for pressing the plectrum.

4. Push-free electrical plug connector according to claim 3, characterized in that: the groove body comprises an empty groove which is communicated up and down, and a bearing plate for placing the shifting piece is arranged in the empty groove; one end of the empty groove positioned on one side of the elastic sheet extends to the outer side of the flip plate, a concave part connected with the empty groove is arranged on the flip plate on which the other end of the empty groove is positioned, and the spring chamber is positioned in the concave part; an insertion groove is formed in the flip plate on which the outer side of the spring cavity is located, the width of the insertion groove is smaller than the outer diameter of the spring, and the insertion groove is communicated with the spring cavity.

5. Push-free electrical plug connector according to claim 4, characterized in that: the limiting assembly comprises a pair of limiting clamping columns and limiting handrails which are distributed on two sides of the bearing plate, the limiting handrails are transversely arranged in the empty grooves, and two ends of the limiting handrails are connected with the turnover cover plate; the pair of limiting clamping columns are arranged on the two inner side walls of the empty groove.

6. Push-free electrical plug connector according to claim 5, characterized in that: the limiting rail and the turnover cover plate are integrally formed, and the upper end face of the limiting rail and the upper end face of the turnover cover plate are located in the same plane.

7. Push-free electrical plug connector according to claim 5, characterized in that: the plectrum is last to have the first spacing groove of placing spacing railing, place the second spacing groove of spacing card post, first spacing groove with plectrum length between the second spacing groove is greater than the length of loading board.

8. Push-free electrical plug connector according to claim 7, characterized in that: the upper end face of the limiting clamping column is a plane or a curved surface which is inclined downwards from inside to outside, and the two side faces of the groove body of the second limiting groove are matched with the upper end face of the limiting clamping column and are inclined planes which are inclined inwards.

9. Push-free electrical plug connector according to any one of claims 1 to 8, characterized in that: the poking part extends outwards to the outer side of the flip plate and is provided with a pull ring at the tail part for pulling the poking piece.

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