WO2014005427A1

WO2014005427A1 - Plugging mechanism, finished circuit board having built-in plugging mechanism and plugging frame

Info

Publication number: WO2014005427A1
Application number: PCT/CN2013/070899
Authority: WO
Inventors: 李爽; 李尧; 杨成鹏
Original assignee: 华为技术有限公司
Priority date: 2012-07-04
Filing date: 2013-01-23
Publication date: 2014-01-09
Also published as: CN102738653A; CN102738653B

Abstract

Disclosed are a plugging mechanism (1), a finished circuit board (100) having the built-in plugging mechanism and a plugging frame (200), the plugging mechanism being used for achieving plugging of a board to be plugged (4) into the plugging frame (200). The plugging mechanism is connected to a base board (2) and a carrier board (3); the plugging mechanism comprises a handle (11) for push and pull and a pull rod (12) connected with the handle; the pull rod comprises a horizontal side and a vertical side which form an L shape, the horizontal side of the pull rod is provided with a first sliding pin (131a) for sliding in a first horizontal guide slot (211a) provided in a corresponding position on the base board, and the vertical side of the pull rod is provided with a second sliding pin (132a) for sliding in a first vertical guide slot (212a) provided in a corresponding position on the base board. With an external force exerted on the handle, the plugging mechanism rotates under the restriction of the first sliding pin and the second sliding pin, and drives the carrier board to move up and down, thus driving the board to be plugged to move up and down, so as to achieve plugging of the board to be plugged into the plugging frame.

Description

A plug-in mechanism, a finished circuit board and a plug-in frame of the built-in plug-in mechanism. The application is submitted to the Chinese Patent Office on July 4, 2012, and the application number is 201210229741.8. The invention name is "a plug-in mechanism, built-in plug-in The priority of the Chinese Patent Application for the Finished Circuit Board and the Insert of the Institution, the entire contents of which are incorporated herein by reference.

Technical field

The present invention relates to the field of hot plug technology, and in particular, to a plug-in mechanism, a finished circuit board and a subrack of a built-in plug mechanism.

Background technique

Hot-plugging (hot-plugging or Hot Swap) is a hot-swap function. The hot-swap function allows the user to remove and replace the hard disk, power supply or board without turning off the power, thus improving the system. Timely recovery, scalability and flexibility for disasters.

In conventional devices, the plug-in components (such as the backplane) in the plug-in frame are usually placed on the lower part of the sub-frame, and then the printed circuit board (PCB) is inserted vertically from the front of the sub-frame. Then insert the backplane into the backplane, that is, you need to perform two different directions to insert or pull the printed circuit board out of the backplane, and you can't directly plug it. When you pull it out, you need to take out the chassis and open the cover. Pulling out from the top is not convenient for hot plugging in the case of continuous power and continuous business.

Summary of the invention

The embodiment of the invention provides a plug-in mechanism, a finished circuit board and a plug-in frame of the built-in plug-in mechanism, and the plug-in mechanism has a simple structure, does not occupy a high space, can realize the plugging and unplugging action, has high reliability and good operability.

In view of this, the embodiments of the present invention respectively provide:

An insertion/removal mechanism for inserting and removing a board to be inserted into a plug-in frame, wherein the board to be inserted and removed is inserted and removed by means of up-and-down motion and an insertion and removal component disposed in the plug-in frame;

The plugging mechanism is connected between the bottom plate and the carrier board;

The insertion mechanism includes a handle for pushing and pulling and a pull rod connected to the handle, the pull rod includes a horizontal edge and a vertical edge, and the horizontal edge and the vertical edge form an L shape;

a first sliding pin is disposed on the horizontal side of the pull rod, and a second sliding pin is disposed on the vertical side of the pulling rod, and the first sliding pin is disposed at a relative position on the bottom plate Sliding in a horizontal guiding groove, wherein the second sliding pin is used for sliding in a first vertical guiding groove disposed at a relative position on the bottom plate; The insertion mechanism rotates under the limitation of the first sliding pin and the second sliding pin by the external force applied to the handle, and drives the carrier to move up and down, thereby driving the board to be inserted Movement, thereby implementing insertion and removal of the board to be inserted in the slot.

The embodiment of the present invention further provides another plugging and unplugging mechanism, which is used for inserting and removing a board to be inserted into a slot, wherein the board to be inserted is moved up and down by means of up and down movement and the plugging and unloading component disposed in the inserting frame Plugging and unplugging; the plugging mechanism is connected between the bottom plate and the carrier;

The insertion and removal mechanism includes a handle for pushing and pulling and an L-shaped tie rod connected to the handle; the horizontal edge of the pull rod is provided with a second horizontal guide groove, and the relative position on the bottom plate is set to limit the second level a first limit pin for sliding the guide groove;

a second vertical guide groove is disposed on a vertical side of the pull rod, and a second limit pin for restricting sliding of the second vertical guide groove is disposed at a relative position on the bottom plate;

The insertion mechanism rotates under the limitation of the first limiting pin and the second limiting pin by the external force applied to the handle, and drives the carrier to move up and down, thereby driving the board to be inserted The up and down movement is performed to further insert and remove the to-be-inserted board in the insertion frame.

A finished circuit board incorporating a plug-in mechanism, including a carrier board, a backplane, and a plug-in mechanism as described above, or a carrier board, a backplane, and another plug-in mechanism as described above.

The embodiment of the invention further provides a subrack, including:

The frame and the finished circuit board as described above, the finished circuit board being inserted into the frame.

It can be seen from the above technical solution that the plug-in mechanism and the finished circuit board and the inserting frame of the built-in plugging mechanism are provided in the embodiment of the present invention, wherein the plugging and unplugging mechanism is used for inserting and removing the board to be inserted in the inserting frame, wherein The plug-in board is inserted and removed by means of up-and-down motion and the plug-in and pull-out components arranged in the plug-in frame; the plug-in mechanism is simple in structure, is connected between the bottom board and the carrier board, does not occupy a height space, and the plug-in mechanism passes through the connection part Rotating and driving the board to move up and down, thereby driving the board to be moved up and down, thereby realizing the insertion and removal of the board to be inserted in the insertion frame, high reliability and strong operability, suitable for two-dimensional action to realize insertion or extraction The board of the inserted and removed parts of the frame is plugged.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description of the embodiments will be briefly described. It is obvious that the drawings in the following description are only some embodiments of the present invention. In the field of ordinary people, without creative efforts, Other drawings can be obtained from these figures.

1 is a schematic structural diagram of a product board and a plug-in frame of a plug-in mechanism and a built-in plug-in mechanism according to an embodiment of the present invention;

2a and 2b are schematic diagrams showing the structure of a finished circuit board with a built-in plugging mechanism according to an embodiment of the present invention;

3a and 3b are schematic structural views of a plugging mechanism according to an embodiment of the present invention;

4a and 4b are schematic structural views of a plug-in mechanism and a finished circuit board of a built-in plug-in mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view showing the internal structure of a finished circuit board 100 according to an embodiment of the present invention; FIG. 6 is a front view showing the external structure of a finished circuit board according to an embodiment of the present invention;

Figure Ί is a rear view of the external structure of a finished circuit board according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a locking structure of a finished circuit board according to an embodiment of the present invention; FIG. 10 is a schematic diagram of a locking structure of a finished circuit board according to an embodiment of the present invention; FIG. An enlarged schematic view of the locking structure of the finished circuit board; FIG. 11 is a schematic view showing the unlocked structure of the finished circuit board in an unlocked state according to an embodiment of the present invention. detailed description

BRIEF DESCRIPTION OF THE DRAWINGS The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative work are within the scope of the present invention.

As shown in FIG. 1 , an embodiment of the present invention provides a plug-in mechanism 1 , a finished circuit board 100 with a built-in plug-in mechanism 1 , and a plug-in frame 200 . The embodiment of the plug-in mechanism 1 is included in the implementation of the finished circuit board 100 . The embodiment of the finished circuit board 100 is included in the embodiment of the insert frame 200. Therefore, the embodiment of the present invention combines the implementation of the plug-in mechanism 1, the finished circuit board 100 of the built-in plug-in mechanism 1 and the insert frame 200. :

The insert frame 200 includes: a frame 201 and a finished circuit board 100 with a built-in plug-in mechanism 1 The circuit board 100 is inserted into the frame 201;

Preferably, the frame 201 is further provided with a slide 202 for inserting and removing the finished circuit board 100, so that the finished circuit board 100 is slidably inserted into the frame 201;

It can be understood that the insertion frame 200 may further include an insertion and removal component, and the insertion and removal component may be disposed at the bottom of the frame 201. In this state, the finished circuit board 100 needs to be in a vertical state to be inserted into the insertion and removal component. In the embodiment of the present invention, the plug-in component may be a backplane or other components that need to be connected to the finished circuit board 100.

As shown in FIG. 2a, a schematic structural diagram of a finished circuit board 100 according to an embodiment of the present invention includes a bottom board 2, a carrier board 3, and a plug mechanism 1; wherein the carrier board 3 is used to carry the board to be inserted. 4, as shown in FIG. 2b, is a schematic diagram of the finished circuit board 100 after the board 4 is to be inserted;

It can be understood that the board 4 can be a printed circuit board (PCB), such as a PCI (Peripheral Component Interconnect) expansion card. In the embodiment of the present invention, the board 4 is moved up and down. The plugging and unplugging components (such as the backplane) that are disposed in the subrack 200 are inserted and removed.

In the embodiment of the present invention, the finished circuit board 100 is applied to the vertical frame 200, and the back plate is horizontally mounted. As shown in FIG. 1 , it is conceivable that the back plate may also be disposed at the top of the frame 200. The direction of the insertion and removal mechanism 1 is opposite to the direction of the operation of the backing plate at the bottom of the insertion frame 200, so that the to-be-inserted board 4 carried by the carrier board 3 is inserted into the backboard. The front panel can also be vertically installed in the insertion frame 200. After the inserting frame 200 is horizontally inserted into the insertion frame 200, the insertion and removal mechanism 1 drives the horizontal and horizontal movements of the to-be-inserted board 4 into the backplane, which is not specifically limited herein.

The plugging and unloading mechanism 1 of the embodiment of the present invention is built in the finished circuit board 100, and is used for inserting and removing the board 4 to be inserted into the frame 200. The plugging and unplugging component in the ejector frame 200 is inserted and removed; the plugging and unloading mechanism 1 is connected between the bottom plate 2 and the carrier board 3, and does not occupy the height space of the finished circuit board 100 and the framing frame 200; referring to FIG. 3a, the plugging and unplugging Agency 1 includes:

a handle 11 for pushing and pulling, and a pull rod 12 connected to the handle 11, the pull rod 12 includes a horizontal side and a vertical side, and the horizontal side and the vertical side form an L shape;

It should be noted that the insertion and removal mechanism 1 provided by the embodiment of the present invention does not necessarily have a shape setting. The standard L type, for example, the horizontal edge and the vertical edge may have a certain angle (that is, may not be connected at right angles), or the horizontal edge may also go to the left side, etc., and the function realization of the plug structure 1 is not affected. .

In an implementation manner, referring to FIG. 3a, the horizontal sliding side of the pull rod 12 of the plugging mechanism 1 is provided with a first sliding pin 131a, and the vertical side of the pulling rod 12 is provided with a second sliding pin 132a, first The sliding pin 131a is for sliding in the first horizontal guiding groove 211a disposed on the bottom plate 2 at a relative position, and the second sliding pin 132a is for sliding in the first vertical guiding groove 212a disposed on the bottom plate 2 at a relative position;

The insertion and removal mechanism 1 rotates under the limitation of the first sliding pin 131a and the second sliding pin 132a, and drives the carrier plate 3 to move up and down, thereby driving the board 4 to move up and down, thereby realizing The plug-in board 4 is inserted and removed in the frame 200.

In another implementation manner, referring to FIG. 3b, according to the principle of symmetrical replacement, the guiding slot connecting the plugging mechanism 1 and the bottom plate 2 may also be disposed on the plugging mechanism 1, and the sliding pin may be disposed on the bottom plate 2, and The second horizontal guiding groove 211b is disposed on the horizontal side of the pull rod 12 of the insertion and removal mechanism 1. The relative position on the bottom plate 2 is provided with a first limit limiting the sliding of the second horizontal guiding groove 211b. a pin 131b; a vertical guide groove 212b is disposed on the vertical side of the pull rod 12, and a second limit pin 132b for restricting the sliding of the second vertical guide groove 212b is disposed at a relative position on the bottom plate 2;

The insertion and removal mechanism 1 rotates under the limitation of the first limiting pin 131b and the second limiting pin 132b by the external force applied to the handle 11, and drives the carrier plate 3 to move up and down, thereby driving the board 4 to be moved up and down. The movement, in turn, enables the insertion and removal of the board 4 to be inserted into the frame 200.

The insertion and extraction mechanism 1 of the embodiment of the present invention, the finished circuit board 100 and the insertion frame 200 of the built-in insertion and removal mechanism 1 are used to realize the insertion of the board 4 to be inserted into the frame 200. The plug-in board 4 is inserted and removed by means of the up-and-down movement and the plug-and-pull component provided in the insert frame 200; the plug-in mechanism 1 has a simple structure and is connected between the bottom plate 2 and the carrier board 3 without occupying a height. In the space, the insertion and removal mechanism 1 rotates and drives the carrier 3 to move up and down, thereby driving the board 4 to move up and down, thereby realizing the insertion and removal of the board 4 to be inserted into the frame 200, which has high reliability and high operability. It is suitable for the two-dimensional action to realize the insertion or removal of the panel of the plug-in component in the insert frame 200.

Preferably, the insertion and extraction mechanism 1 of the embodiment of the present invention passes through the first horizontal guiding groove 211a, the first sliding pin 131a, the first vertical guiding groove 212a and the second sliding pin 132a, and the bottom. The plate 2 is connected; in this embodiment, the vertical connecting side of the pull rod 12 of the plugging mechanism 1 is further provided with a first connecting member 13 , and the first connecting member 13 and the second connecting member 31 on the carrier 3 are matched. Referring to FIG. 4a, in the embodiment, the first connecting member 13 may be a third horizontal guiding slot, and the second connecting member 31 may be a third sliding pin sliding in the third horizontal guiding slot. That is, the guide groove to which the insertion/removal mechanism 1 and the carrier 3 are connected can be disposed on the insertion and removal mechanism 1, and the slide pin is disposed on the carrier 3.

It can be understood that, according to the principle of symmetrical replacement, the guide groove connecting the insertion mechanism 1 and the carrier 3 can also be disposed on the carrier 3, and the sliding pin can be disposed on the insertion and removal mechanism 1 (not shown in the figure). That is, the second connecting member 31 may be a fourth horizontal guiding groove, and the first connecting member 13 may be a fourth sliding pin that slides in the fourth horizontal guiding groove.

Thus, in the insertion and removal mechanism 1 provided by the present invention, the insertion and removal mechanism 1 is connected to the bottom plate 2 through the first horizontal guide groove 211a, the first slide pin 131a, the first vertical guide groove 212a and the second slide pin 132a. The plugging mechanism 1 can be connected to the carrier 3 through the third horizontal guiding slot and the third sliding pin. In some embodiments, the plugging mechanism 1 can also pass through the fourth horizontal guiding slot. And the fourth sliding pin is connected to the carrier 3 .

The embodiment of the present invention further provides another insertion and removal mechanism 1 that passes through the second horizontal guiding groove 211b, the first limiting pin 131b, the second vertical guiding groove 212b and the second limiting pin 132b, and the bottom plate. 2 phase connection; in this embodiment, the vertical connecting side of the pull rod 12 of the plugging mechanism 1 is further provided with a third connecting member 14, and the third connecting member 14 and the fourth connecting member 32 on the carrier 3 are matched, wherein Referring to FIG. 4b, in the embodiment, the third connecting member 14 may be a fifth horizontal guiding slot, and the fourth connecting member 32 may be a fifth sliding pin sliding in the fifth horizontal guiding slot. That is to say, the guide groove connecting the insertion and extraction mechanism 1 and the carrier plate 3 can be disposed on the insertion and removal mechanism 1, and the slide pin is disposed on the carrier plate 3.

It can be understood that, according to the principle of symmetrical replacement, the guide groove connecting the insertion mechanism 1 and the carrier 3 can also be disposed on the carrier 3, and the sliding pin can be disposed on the insertion and removal mechanism 1 (not shown in the figure). That is, the fourth connecting member 32 may be a sixth horizontal guide groove, and the third connecting member 14 may be a sixth sliding pin that slides in the sixth horizontal guide groove.

Therefore, in another insertion and removal mechanism 1 provided by the present invention, the insertion and removal mechanism 1 passes through the second horizontal guide groove 211b, the first limit pin 131b, the second vertical guide groove 212b and the second limit pin 132b. With the bottom plate 2 The plugging mechanism 1 can be connected to the carrier 3 through the fifth horizontal guiding slot and the fifth sliding pin. In some embodiments, the plugging mechanism 1 can also pass the sixth level. The guide groove and the sixth slide pin are coupled to the carrier plate 3.

Preferably, the finished circuit board 100 provided by the embodiment of the present invention includes a bottom plate 2, a carrier board 3, and a plug-in mechanism 1. The plug-in mechanism 1 may include the plug-in mechanism 1 as described in the above embodiment, and the plug-in mechanism The mechanism 1 is connected between the bottom plate 2 and the carrier 3;

Preferably, the finished circuit board 100 is analyzed by taking an embodiment of the plugging mechanism 1 as an example:

In this embodiment, as shown in FIG. 4a, the cymbal insertion mechanism 1 is connected to the bottom plate 2 through the first horizontal guide groove 211a, the first sliding pin 131a, the first vertical guide groove 212a and the second sliding pin 132a; The pulling mechanism 1 is connected to the carrier 3 through the third horizontal guiding groove and the third sliding pin;

Preferably, the finished circuit board 100 may further include at least two sets of guiding slots 15 and guiding pins 16 sliding in the guiding slots 15;

In this embodiment, reference may be made to FIG. 5, FIG. 6, and FIG. 7. FIG. 5 is a schematic diagram showing the internal structure of the finished circuit board 100 according to an embodiment of the present invention, and FIG. 6 is a front view showing the external structure of the finished circuit board 100. 7 is a rear view of the outer structure of the finished circuit board 100; wherein, the guiding groove 15 may be disposed on the carrier 3, and the guiding pin 16 is disposed on the bottom plate 2; it is understood that, according to the principle of symmetrical replacement, the guiding groove 15 is also It can be provided on the bottom plate 2, and the guide pin 16 is provided on the carrier plate 3 (not shown in the figure), and can also serve as a guide.

In addition, the carrier board 3 can also be provided with at least two board slots 17 for fixing the board to be inserted on the carrier board 3. Referring to FIG. 8, FIG. 8 is a board to be inserted. Schematic diagram of the finished finished circuit board 100;

It can be understood that the board to be inserted 4 is carried on the carrier board 3. The board to be inserted 4 can be any type of PCB board such as a PCI expansion card.

Preferably, the finished circuit board 100 further includes a locking structure 18, the locking structure 18 including a lock lever 181 hinged to the bottom plate 2 and a spring 182 for resetting the lock lever 181;

In order to facilitate a better understanding of the plug-in mechanism 1 provided by the embodiment of the present invention, the finished circuit board 100 and the sub-frame 200 of the built-in plug-in mechanism 1, the loading and unloading mechanism 1 drives the carrier board 3 up and down in a specific application scenario. The process of finally inserting and removing the board 4 to be inserted into the frame 200 is specifically analyzed. Preferably, in the embodiment of the present invention, the finished circuit board 100 is inserted into the plug as shown in FIG. The frame 200, that is, the finished circuit board 100 is applied to the vertical insertion frame 200, and the insertion and removal components (such as the backboard) are horizontally installed;

During the process of inserting and removing the finished circuit board 100 along the slideway 202, the carrier board 3 carrying the board to be inserted 4 needs to be in an upper position in the vertical direction to prevent the board connector and the backplane connector from colliding; As shown, the locking structure 18 is used to prevent the carrier 3 carrying the board 4 to be automatically slid down;

Referring to FIG. 10 together, FIG. 10 is an enlarged schematic view of the locking structure 18 of the finished circuit board 100. It can be seen that the lock lever 181 hinged to the bottom plate 2 has a proximal end 1811 near the hinge point 183 and the other end is free. The end 1812, the lock bar 181 is further provided with a hook 1813; one end of the spring 182 is fixed to the proximal end 1811 of the lock bar, the other end is passed through and fixed to the convex hull 184 disposed on the bottom plate 2;

When the finished circuit board 100 is loaded into the sliding frame 202 of the rim 200, the hook 1813 hooks the bottom of the carrier 3 and holds the carrier 3 in the vertical position, which restricts the downward movement of the carrier 3, thereby pulling The bar 12 is locked, as shown in FIG. 9 , which is a schematic view of the locking structure 18 in a locked state; when the finished circuit board 100 continues to be inserted into the sliding frame 202 of the frame 200 , due to the free end 1812 of the locking bar 181 and the frame 200 Or the slide 202 contacts and is forced, the lock bar 181 swings around the hinge point 183 until the hook 1813 is disengaged from the bottom of the carrier 3, and the finished circuit board 100 is completely mounted in position, at this time pushing the plug mechanism 1 and the pull rod 12 to rotate. Under the restriction of the pull bar 12 and the sliding pin, the carrier 3 carrying the board 4 to be inserted is vertically moved downward by the restriction of the guide pin 16, and finally the board 4 is inserted into the back board, as shown in FIG. 11; When the insertion and removal mechanism 1 is pulled, the lock lever 181 is reset, and the finished circuit board 100 is taken out, and the board 4 is pulled out from the back board.

The insertion and extraction mechanism 1 of the embodiment of the present invention, the finished circuit board 100 and the insertion frame 200 of the built-in insertion and removal mechanism 1 are used to realize the insertion of the board 4 to be inserted into the frame 200. The plug-in board 4 is inserted and removed by means of the up-and-down movement and the plug-and-pull component provided in the insert frame 200; the plug-in mechanism 1 has a simple structure and is connected between the bottom plate 2 and the carrier board 3 without occupying a height. In the space, the insertion and removal mechanism 1 rotates and drives the carrier 3 to move up and down, thereby driving the board 4 to move up and down, thereby realizing the insertion and removal of the board 4 to be inserted into the frame 200, which has high reliability and high operability. It is suitable for two-dimensional operation to insert or remove the board of the plug-in component in the insert frame 200, and can also be used for hot plugging in the case of continuous power and continuous service of the device.

The above-mentioned insertion and extraction mechanism provided by the present invention, the finished circuit board and the insertion frame of the built-in plugging mechanism The details of the present invention and the scope of application of the present invention will be changed to those skilled in the art in view of the embodiments of the present invention. limits.

Claims

Rights request

1. A plug-in and pull-out mechanism, characterized in that it is used to realize the plug-in and pull-out of the board to be plugged into the plug-in frame, wherein the board to be plugged-in is inserted into and pulled out from the plug-in and pull-out components arranged in the plug-in frame by moving up and down. pull out;

The plug-in mechanism is connected between the base plate and the carrier board;

The plug-in mechanism includes a push-pull handle and a pull rod connected to the handle. The pull rod includes a horizontal side and a vertical side, and the horizontal side and the vertical side form an L shape;

A first sliding pin is provided on the horizontal side of the pull rod, and a second sliding pin is provided on the vertical side of the pull rod. The first sliding pin is used for a third sliding pin arranged at a relative position on the bottom plate. Sliding in a horizontal guide groove, the second sliding pin is used to slide in a first vertical guide groove arranged at a relative position on the bottom plate;

Under the external force exerted on the handle, the insertion and extraction mechanism rotates under the constraints of the first sliding pin and the second sliding pin, and drives the carrier board to move up and down, thereby driving the board to be inserted to move up and down. Movement, thereby realizing the insertion and removal of the board to be inserted in the insertion frame.

2. The plug-and-pull mechanism according to claim 1, characterized in that:

The pull rod is also provided with a first connecting part, and the first connecting part cooperates with the second connecting part on the carrier plate, wherein the first connecting part is a third horizontal guide groove, and the third The second connecting part is a third sliding pin sliding in the third horizontal guide groove, or the second connecting part is a fourth horizontal guide groove, and the first connecting part is a third sliding pin sliding in the fourth horizontal guide groove. Sliding fourth sliding pin.

3. The plug-and-pull mechanism according to claim 2, characterized in that:

The plug-in mechanism is connected to the bottom plate through the first horizontal guide groove, the first sliding pin, the first vertical guide groove and the second sliding pin;

The plug-in and pull-out mechanism is connected to the carrier plate through the third horizontal guide groove and the third sliding pin, or the plug-in and pull-out mechanism is connected to the carrier plate through the fourth horizontal guide groove and the fourth sliding pin. connected.

4. A plug-in and pull-out mechanism, characterized in that it is used to realize the plug-in and pull-out of the board to be plugged into the plug-in frame, wherein the board to be plugged-in is inserted into and pulled out from the plug-in part provided in the plug-in frame by moving up and down. pull out;

The plug-and-pull mechanism includes a push-pull handle and an L-shaped pull rod connected to the handle; a second horizontal guide groove is provided on the horizontal edge of the pull rod, and a guide groove is provided at a relative position on the bottom plate to limit the second level. The first limit pin for guide groove sliding; A second vertical guide groove is provided on the vertical edge of the tie rod, and a second limiting pin is provided at a relative position on the bottom plate to limit the sliding movement of the second vertical guide groove;

Under the external force exerted on the handle, the insertion and extraction mechanism rotates under the limits of the first limiting pin and the second limiting pin, and drives the carrier board to move up and down, thereby driving the board to be inserted. It moves up and down to realize the plugging and unplugging of the board to be plugged into the plug-in frame.

5. The plug-and-pull mechanism according to claim 4, characterized in that:

The pull rod is also provided with a third connecting part, and the third connecting part cooperates with the fourth connecting part on the carrier plate, wherein the third connecting part is a fifth horizontal guide groove, and the third connecting part is a fifth horizontal guide groove. The fourth connecting component is a fifth sliding pin sliding in the fifth horizontal guide groove, or the fourth connecting component is a sixth horizontal guide groove, and the third connecting component is a sliding pin sliding in the sixth horizontal guide groove. Sliding sixth sliding pin.

6. The plug-and-pull mechanism according to claim 5, characterized in that:

The plug-in mechanism is connected to the bottom plate through the second horizontal guide groove, the first limit pin, the second vertical guide groove and the second limit pin;

The plug-in and pull-out mechanism is connected to the carrier plate through the fifth horizontal guide groove and the fifth sliding pin, or the plug-in and pull-out mechanism is connected to the carrier plate through the sixth horizontal guide groove and the sixth sliding pin. connected.

7. A finished circuit board with a built-in plug-and-pull mechanism, characterized in that it includes a carrier board, a base plate, and the plug-and-pull mechanism as claimed in claim 1, or a carrier board, a bottom plate, and a plug-and-pull mechanism as claimed in claim 4. mechanism.

8. The finished circuit board according to claim 7, characterized in that,

The finished circuit board further includes at least two sets of guide grooves and guide pins sliding in the guide grooves.

9. The finished circuit board according to claim 8, characterized in that,

The guide groove is provided on the bottom plate, and the guide pin is provided on the carrier plate; or,

The guide groove is provided on the carrier plate, and the guide pin is provided on the bottom plate.

10. The finished circuit board according to claim 7, characterized in that,

The carrier board is provided with at least two board slots, and the board slots are used to fix the board to be inserted on the carrier board.

11. The finished circuit board according to any one of claims 7 to 10, characterized in that, the finished circuit board further includes a locking structure, the locking structure includes a locking bar hinged to the bottom plate and Spring used to return the locking lever.

12. A plug-in frame, characterized in that it includes:

The frame and the finished circuit board according to claim 7, the finished circuit board is inserted into the frame.

13. The plug-in frame according to claim 12, characterized in that,

The frame is also provided with a slide for the finished circuit board to be inserted and pulled out.