CN214228537U

CN214228537U - PLC modularization circuit board

Info

Publication number: CN214228537U
Application number: CN202120227332.9U
Authority: CN
Inventors: 杨波
Original assignee: Suzhou Shuyoucheng Automation Equipment Co ltd
Current assignee: Suzhou Shuyoucheng Automation Equipment Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-17
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a PLC modularization circuit board, including circuit board body and PLC module body, PLC module body includes the current conducting plate, the working opening has been seted up on the lateral wall of circuit board body, the U-shaped plate that two symmetries of lateral wall fixedly connected with of working opening set up, the bar opening has been seted up to the lateral wall of U-shaped plate, the lateral wall cover of U-shaped plate is equipped with the backplate, and the lateral wall of backplate and circuit board body is fixed. The utility model provides a pair of PLC modularization circuit board, through setting up clamping mechanism and protection machanism, use two fan-shaped splint to press from both sides the current conducting plate of PLC module body tightly, it is more convenient to connect, it is tight, realize the auto-lock after connecting simultaneously, it takes place not hard up to avoid in its use, when fan-shaped splint are not connected with the current conducting plate, protect its inside of rotating to the U-shaped board, avoid impurity such as dust to adhere to the surface at fan-shaped splint, and can be at the rotation in-process of fan-shaped splint, clear up the impurity on its surface.

Description

PLC modularization circuit board

Technical Field

The utility model relates to a circuit board technical field especially relates to a PLC modularization circuit board.

Background

PLC generally refers to a programmable logic controller that employs a programmable memory in which instructions for performing operations such as logic operations, sequence control, timing, counting, and arithmetic operations are stored, and controls various types of machinery or manufacturing processes through digital or analog inputs and outputs. The modular PLC can understand the modules into building blocks, and different building blocks can form different shapes; in the same way, different PLC modules can realize different functions, so the PLC module is called as a modularized PLC. Different PLC modules have different functions. Different combinations of blocks may fulfill different requirements. The most basic power supply module and the CPU module are necessary, and the others are selected as required to form the modular PLC.

The PLC modular circuit board is a carrier of a PLC module, a plurality of sockets are arranged on the existing PLC modular circuit board, and the PLC module is inserted into the sockets so as to realize modular control requirements. However, in the use process of the conventional PLC modular circuit board, when the PLC module is connected to the socket, the PLC module is easily loosened, so that the PLC module is normally used, and when the PLC module is not inserted into the socket, impurities such as dust are easily attached to the part of the socket connected to the PLC module, so that the normal connection of the PLC module is affected.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model adopts the following technical scheme: a PLC modular circuit board comprises a circuit board body and a PLC module body, wherein the PLC module body comprises a conductive plate, a working opening is formed in the side wall of the circuit board body, two symmetrically-arranged U-shaped plates are fixedly connected to the side wall of the working opening, a strip-shaped opening is formed in the side wall of each U-shaped plate, a protective plate is sleeved on the side wall of each U-shaped plate and is fixed to the side wall of the circuit board body, a telescopic mechanism is arranged on the side wall of each U-shaped plate, two symmetrically-arranged moving blocks are connected to the telescopic mechanism, a fan-shaped clamping plate is rotatably connected to the side wall of each moving block through a rotating shaft and comprises a first sliding surface and a second sliding surface, the fan-shaped clamping plate is inserted into the strip-shaped opening and is electrically connected with the circuit board body, and a clamping mechanism used for driving the fan-shaped clamping plate to clamp the conductive plate is arranged on the side wall of each U-shaped plate, the lateral wall of U-shaped board is provided with and is used for accomodating fan-shaped splint and carries out the protection mechanism that protects in the U-shaped board.

Preferably, the clamping mechanism comprises mounting holes formed in the side walls of the protection plates, the side wall of one of the U-shaped plates is provided with a switching mechanism, the switching mechanism is connected with a mounting block, the mounting block slides on the side wall of the mounting hole, the side wall of the mounting block is connected with a first sliding plate through a reset mechanism, the side wall of the first sliding plate is fixedly connected with a plurality of first fixing blocks, each first fixing block comprises a limiting surface and a third sliding surface which is obliquely arranged, the side wall of the PLC module body is fixedly connected with a first support plate, the side wall of the first support plate is fixedly connected with a second fixing block, the second fixing block slides on the side wall of the first sliding plate, the lower side walls of the two U-shaped plates are both provided with a sliding mechanism, the sliding mechanism is connected with two L-shaped plates which are symmetrically arranged, and a stroke mechanism is arranged between the reset mechanism and one of the L-shaped plates, the lateral wall of one of them U-shaped plate is seted up jaggedly, the breach interpolation is equipped with the head rod, and the both ends of head rod are fixed with the lateral wall of L-shaped plate respectively, the lateral wall of L-shaped plate is inserted and is equipped with the first T shape guide arm that two symmetries set up, the first extrusion piece of one end fixedly connected with of first T shape guide arm, first extrusion piece is including the fourth glide plane that the slope set up, and the fourth glide plane slides on first glide plane, the lateral wall cover of first T shape guide arm is equipped with first spring, and the both ends of first spring are fixed with the lateral wall of first extrusion piece and L-shaped plate respectively.

Preferably, the telescopic mechanism comprises a first fixing plate fixedly connected to the lower side wall of the U-shaped plate, a second T-shaped guide rod is inserted into the side wall of the first fixing plate, one end of the second T-shaped guide rod is fixed to the side wall of the moving block, a second spring is sleeved on the side wall of the second T-shaped guide rod, and two ends of the second spring are fixed to the moving block and the side wall of the first fixing plate respectively.

Preferably, the protection machanism includes that fixed connection moves the board on the L shaped plate lateral wall, the first loop bar of other end lateral wall fixedly connected with of movable plate, the lateral wall cover of first loop bar is equipped with first sleeve, and first sheathed tube other end fixedly connected with second extrusion piece, second extrusion piece includes the fifth glide plane, fan-shaped splint slide on the fifth glide plane, first sheathed tube lateral wall cover is equipped with the third spring, and the both ends of third spring are fixed with the lateral wall of movable plate and second extrusion piece respectively.

Preferably, the switching mechanism includes a first fixing rod fixedly connected to one of the U-shaped plate side walls, a second sliding plate is sleeved on the first fixing rod, the other end of the second sliding plate is fixed to the side wall of the mounting block, a fourth spring is sleeved on the side wall of the first fixing rod, two ends of the fourth spring respectively abut against the U-shaped plate and the side wall of the second sliding plate, a second supporting plate is fixedly connected to the side wall of the mounting block, a push rod is fixedly connected to the side wall of the second supporting plate, and the other end of the push rod penetrates through the side wall of the guard plate.

Preferably, the resetting mechanism comprises a sliding groove formed in the side wall of the mounting block, a third sliding plate is connected in the sliding groove in a sliding mode and fixed with the side wall of the first sliding plate, a second loop bar is fixedly connected to the side wall of the third sliding plate, a second sleeve is sleeved on the side wall of the second loop bar, the other end of the second sleeve is fixed with the side wall of the sliding groove, a fifth spring is sleeved on the side wall of the second sleeve, and two ends of the fifth spring are fixed with the third sliding plate and the side wall of the sliding groove respectively.

Preferably, the stroke amplification mechanism comprises a second fixing rod fixedly connected to one of the U-shaped plate side walls, a side wall fixedly connected with connecting plate of the second fixing rod, a side wall fixedly connected with a third fixing rod of the connecting plate, a side wall sleeve of the third fixing rod is provided with a second connecting rod, one end of the second connecting rod penetrates through the side wall of the mounting block and is fixed to the side wall of the third sliding plate, a notch is formed in the side wall of the connecting plate, a connecting pin is slidably connected to the notch, one end of the connecting pin is fixedly connected with a push rod, and the other end of the push rod is fixed to the side wall of the L-shaped plate.

Preferably, the sliding mechanism comprises a sliding rail fixedly connected to the side wall of the U-shaped plate, a sliding groove is formed in the side wall of the L-shaped plate, and the sliding groove slides on the sliding rail.

Preferably, the side wall of the strip-shaped opening is provided with a cleaning brush.

Preferably, the side wall of the fifth sliding surface is provided with a smooth film.

The utility model provides a beneficial effect that technical scheme brought is:

1. the utility model discloses a PLC modularization circuit board, through setting up clamping mechanism, when needing to peg graft PLC module body, insert the current conducting plate between two fan-shaped splint, at this moment, the second fixed block on the first supporting plate slides on the lateral wall of third glide plane and first sliding plate, at this moment, promote the third sliding plate to slide to the sliding tray, and simultaneously, the fifth spring contracts, and then promote the motion of second connecting rod, the motion of second connecting rod promotes L shaped plate to slide along the lateral wall of slide rail through stroke amplification mechanism, thereby make the fourth glide plane of first extrusion piece slide on the lateral wall of first glide plane, thereby make two fan-shaped splint rotate and clamp the current conducting plate fixedly, it is more convenient to clamp, fasten, simultaneously, because of the limiting effect of spacing face, realize auto-lock after clamping, avoid the second fixed block to throw off, the PLC module body and the circuit board body are connected more tightly, and looseness in the use process is avoided;

2. the utility model discloses a PLC modularization circuit board, through setting up protection mechanism, when needing to take off PLC module body, only need press the push rod, make the installation piece slide along the lateral wall of first dead lever, simultaneously, the fourth spring contracts, installation piece and first backup pad stagger this moment, second fixed block and spacing face no longer offset, drive the second connecting rod under the effect of fifth spring this moment and reset, and then, make L-shaped board reset through stroke amplification mechanism, the motion of L-shaped board drives the movable plate to the direction motion that is close to the installation piece, thereby make the lateral wall of fan-shaped splint slide on the lateral wall of fifth slip plane, make fan-shaped splint to the U-shaped inboard rotation reset, and make the lateral wall of second extrusion piece offset with the lateral wall of second slip plane, make fan-shaped splint rotate to the inside of U-shaped board completely, avoid impurity such as dust to adhere to the surface of fan-shaped splint, the protective function is achieved, the normal connection effect of the PLC module body is guaranteed, and in the rotating process of the fan-shaped clamping plate, the cleaning brushes are arranged on the side walls of the strip-shaped openings, so that impurities on the surfaces of the strip-shaped openings are further cleaned, and the using effect is better;

3. the utility model discloses a PLC modularization circuit board, through setting up telescopic machanism, when two fan-shaped splint press from both sides tightly the current conducting plate of PLC module body for movable block and second T shape guide arm slide along the lateral wall of first fixed plate, and the second spring contracts simultaneously, and the extrusion force of second spring makes fan-shaped splint to press from both sides tighter to the current conducting plate, and it is better to press from both sides tight effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a PLC modular circuit board according to the present invention;

fig. 2 is a schematic structural view of a mounting hole in a PLC modular circuit board according to the present invention;

fig. 3 is a schematic structural diagram of a clamping mechanism and a stroke amplifying mechanism in a PLC modular circuit board according to the present invention;

fig. 4 is a schematic structural diagram of a switching mechanism in a PLC modular circuit board according to the present invention;

fig. 5 is a schematic structural diagram of a telescoping mechanism in a PLC modular circuit board according to the present invention;

fig. 6 is a schematic diagram of an internal structure of a mounting block in a PLC modular circuit board according to the present invention;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 8 is an enlarged schematic view of the structure at B in FIG. 4;

fig. 9 is an enlarged schematic view of the structure at C in fig. 5.

In the figure: 1. a circuit board body; 201. a first fixing plate; 202. a second T-shaped guide rod; 203. a second spring; 301. a first support plate; 302. a second fixed block; 303. mounting holes; 304. mounting blocks; 305. a first sliding plate; 306. a first fixed block; 307. a third sliding surface; 308. a limiting surface; 309. an L-shaped plate; 310. a first T-shaped guide rod; 311. a first spring; 312. a first extrusion block; 313. a fourth sliding surface; 401. a second connecting rod; 402. a second fixing bar; 403. a third fixing bar; 404. a connecting plate; 405. a notch; 406. a push rod; 501. moving the plate; 502. a fifth sliding surface; 503. a first loop bar; 504. a first sleeve; 505. a third spring; 506. a second extrusion block; 6. a first connecting rod; 701. a push rod; 702. a first fixing lever; 703. a fourth spring; 704. a second sliding plate; 705. a second support plate; 801. a chute; 802. a slide rail; 901. a sliding groove; 902. a second sleeve; 903. a fifth spring; 904. a second loop bar; 905. a third sliding plate; 10. a guard plate; 11. a PLC module body; 1101. a conductive plate; 12. a U-shaped plate; 13. a working port; 14. a moving block; 15. a sector splint; 1501. a first sliding surface; 1502. a second sliding surface; 16. a strip-shaped opening; 17. and (4) a notch.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

In the following description, for clarity and conciseness of description, not all of the various components shown in the figures are described. The various components shown in the figures provide those skilled in the art with a fully enabled disclosure of the invention. The operation of many of the components is familiar and obvious to those skilled in the art.

Example (b):

as shown in fig. 1 to 9, the present embodiment provides a PLC modular circuit board, which includes a circuit board body 1 and a PLC module body 11, the PLC module body 11 includes a conductive plate 1101, a working opening 13 is formed on a side wall of the circuit board body 1, two U-shaped plates 12 symmetrically arranged are fixedly connected to a side wall of the working opening 13, a strip-shaped opening 16 is formed on a side wall of the U-shaped plate 12, a guard plate 10 is sleeved on a side wall of the U-shaped plate 12, the guard plate 10 is fixed to the side wall of the circuit board body 1, a telescopic mechanism is arranged on a side wall of the U-shaped plate 12, two symmetrically arranged moving blocks 14 are connected to the telescopic mechanism, a sector clamping plate 15 is rotatably connected to a side wall of the moving block 14 through a rotating shaft, the sector clamping plate 15 includes a first sliding surface 1501 and a second sliding surface 1502, the sector clamping plate 15 is inserted into the strip-shaped opening 16, the sector clamping plate 15 is electrically connected to the circuit board body 1, a clamping mechanism for driving the sector clamping plate 15 to clamp the conductive plate 1101 is arranged on the side wall of the U-shaped plate 12, the lateral wall of U-shaped plate 12 is provided with and is used for accomodating fan-shaped splint 15 and carries out the protection machanism who protects in U-shaped plate 12, use two fan-shaped splint 15 to press from both sides tight PLC module body 11's current conducting plate 1101, it is more convenient to make it connect, the fastening, realize the auto-lock after connecting simultaneously, it takes place not hard up to take place in its use, and, when fan-shaped splint 15 is not connected with current conducting plate 1101, rotate its inside to U-shaped plate 12 and protect, avoid impurity such as dust to adhere to on fan-shaped splint 15's surface, and can be at fan-shaped splint 15's rotation in-process, clear up its surperficial impurity.

Preferably, the clamping mechanism includes mounting holes 303 formed on the side walls of the protection plate 10, a switching mechanism is disposed on the side wall of one of the U-shaped plates 12, a mounting block 304 is connected to the switching mechanism, the mounting block 304 slides on the side wall of the mounting hole 303, the side wall of the mounting block 304 is connected to a first sliding plate 305 through a resetting mechanism, a plurality of first fixing blocks 306 are fixedly connected to the side wall of the first sliding plate 305, the first fixing blocks 306 include a limiting surface 308 and an obliquely disposed third sliding surface 307, the side wall of the PLC module body 11 is fixedly connected to a first support plate 301, the side wall of the first support plate 301 is fixedly connected to a second fixing block 302, the second fixing block 302 slides on the side wall of the first sliding plate 305, sliding mechanisms are disposed on the lower side walls of the two U-shaped plates 12, two symmetrically disposed L-shaped plates 309 are connected to the sliding mechanisms, a stroke amplification mechanism is disposed between the resetting mechanism and one of the L-shaped plates 309, a notch 17 is formed in a side wall of one of the U-shaped plates 12, a first connecting rod 6 is inserted into the notch 17, two ends of the first connecting rod 6 are respectively fixed to side walls of the L-shaped plate 309, two first T-shaped guide rods 310 symmetrically arranged are inserted into the side walls of the L-shaped plate 309, one end of each first T-shaped guide rod 310 is fixedly connected with a first extrusion block 312, each first extrusion block 312 comprises a fourth sliding surface 313 obliquely arranged, the fourth sliding surface 313 slides on the first sliding surface 1501, a first spring 311 is sleeved on the side wall of each first T-shaped guide rod 310, two ends of each first spring 311 are respectively fixed to the first extrusion block 312 and the side wall of the L-shaped plate 309, when the PLC module body 11 needs to be inserted, the conductive plate 1101 is inserted between the two fan-shaped clamping plates 15, at this time, the second fixing block 302 on the first supporting plate 301 slides on the third sliding surface 307 and the side wall of the first sliding plate 305, at this moment, promote third sliding plate 905 and slide to sliding tray 901, simultaneously, fifth spring 903 contracts, and then promote the motion of second connecting rod 401, the motion of second connecting rod 401 passes through stroke amplification mechanism and promotes L shaped plate 309 and slide along the lateral wall of slide rail 802, thereby make the fourth glide plane 313 of first extrusion piece 312 slide on the lateral wall of first glide plane 1501, thereby make two fan-shaped splint 15 rotate and press from both sides tight fixed to the conducting plate 1101, it is more convenient to press from both sides, the fastening, simultaneously, because spacing 308's limiting action, realize the auto-lock after pressing from both sides tightly, avoid second fixed block 302 to throw off, make the connection of PLC module body 11 and circuit board body 1 more firm, avoid its in-process to take place to become flexible.

Preferably, the telescopic mechanism includes a first fixing plate 201 fixedly connected to the lower side wall of the U-shaped plate 12, a second T-shaped guide rod 202 is inserted into the side wall of the first fixing plate 201, one end of the second T-shaped guide rod 202 is fixed to the side wall of the moving block 14, a second spring 203 is sleeved on the side wall of the second T-shaped guide rod 202, and two ends of the second spring 203 are respectively fixed to the side walls of the moving block 14 and the first fixing plate 201, when the two fan-shaped clamping plates 15 clamp the conductive plate 1101 of the PLC module body 11, the moving block 14 and the second T-shaped guide rod 202 slide along the side wall of the first fixing plate 201, and the second spring 203 contracts at the same time, and the extrusion force of the second spring 203 makes the fan-shaped clamping plates 15 clamp the conductive plate 1101 more tightly, so that the clamping effect is better.

Preferably, the protection mechanism comprises a moving plate 501 fixedly connected to the side wall of the L-shaped plate 309, the other side wall of the moving plate 501 is fixedly connected with a first sleeve rod 503, the side wall of the first sleeve rod 503 is sleeved with a first sleeve 504, the other end of the first sleeve 504 is fixedly connected with a second extrusion block 506, the second extrusion block 506 comprises a fifth sliding surface 502, the fan-shaped clamp plate 15 slides on the fifth sliding surface 502, the side wall of the first sleeve 504 is sleeved with a third spring 505, two ends of the third spring 505 are respectively fixed with the side walls of the moving plate 501 and the second extrusion block 506, when the PLC module body 11 needs to be taken down, only the push rod 701 needs to be pressed, so that the mounting block 304 slides along the side wall of the first fixing rod 702, meanwhile, the fourth spring contracts, at this time, the mounting block 304 is staggered with the first supporting plate 301, the second fixing block 302 is not abutted against the limiting surface 308, at this time, the second connecting rod 401 is driven to reset under the action of the fifth spring 903, furthermore, make L-shaped plate 309 reset through the stroke mechanism of enlargeing, the motion of L-shaped plate 309 drives the direction motion of movable plate 501 to being close to installation piece 304, thereby make the lateral wall of fan-shaped splint 15 slide on the lateral wall of fifth slip plane 502, make fan-shaped splint 15 reset to U-shaped plate 12 internal rotation, and make the lateral wall of second extrusion piece 506 offset with the lateral wall of second slip plane 1502, make fan-shaped splint 15 rotate the inside to U-shaped plate 12 completely, avoid impurity such as dust to adhere to the surface at fan-shaped splint 15, play the guard action to it, guarantee PLC module body 11's normal connection effect, and, in fan-shaped splint 15's rotation process, because the lateral wall of bar opening 16 is provided with the clearance brush, further clear up its surperficial impurity, make the result of use better.

Preferably, the switching mechanism includes a first fixing rod 702 fixedly connected to a side wall of one of the U-shaped plates 12, a second sliding plate 704 is sleeved on the first fixing rod 702, and the other end of the second sliding plate 704 is fixed to a side wall of the mounting block 304, a fourth spring 703 is sleeved on a side wall of the first fixing rod 702, and two ends of the fourth spring 703 respectively abut against the side walls of the U-shaped plate 12 and the second sliding plate 704, a second supporting plate 705 is fixedly connected to a side wall of the mounting block 304, a push rod 701 is fixedly connected to a side wall of the second supporting plate 705, and the other end of the push rod 701 penetrates through a side wall of the guard plate 10, when the PLC module body 11 needs to be taken down, the push rod 701 is only pressed to slide the mounting block 304 along the side wall of the first fixing rod 702, and simultaneously, the fourth spring 703 is contracted, at this time, the mounting block 304 and the first supporting plate 301 are staggered, and the second fixing block 302 and the limiting surface 308 do not abut against each other, at this moment, the second connecting rod 401 is driven to reset under the action of the fifth spring 903, so that the PLC module body 11 is conveniently taken down, and meanwhile, power is provided for rotation of the fan-shaped clamping plate 15 in the taking-down process.

Preferably, the resetting mechanism includes a sliding slot 901 formed on the side wall of the mounting block 304, a third sliding plate 905 is slidably connected in the sliding slot 901, the third sliding plate 905 is fixed to the side wall of the first sliding plate 305, a second sleeve 904 is fixedly connected to the side wall of the third sliding plate 905, the side wall of the second sleeve 904 is sleeved with a second sleeve 902, the other end of the second sleeve 902 is fixed to the side wall of the sliding slot 901, the side wall of the second sleeve 902 is sleeved with a fifth spring 903, and both ends of the fifth spring 903 are respectively fixed to the third sliding plate 905 and the side wall of the sliding slot 901, the conductive plate 1101 is inserted between the two fan-shaped clamping plates 15, at this time, the second fixing block 302 on the first supporting plate 301 slides on the third sliding surface 307 and the side wall of the first sliding plate 305, at this time, the third sliding plate 905 is pushed to slide into the sliding slot 901, and at the same time, the fifth spring 903 contracts, and further pushes the second connecting rod 401 to move, and can reposition the third sliding plate 905.

Preferably, the stroke enlarging mechanism comprises a second fixing rod 402 fixedly connected to a side wall of one of the U-shaped plates 12, a connecting plate 404 is fixedly connected to a side wall of the second fixing rod 402, a third fixing rod 403 is fixedly connected to a side wall of the connecting plate 404, a second connecting rod 401 is sleeved on a side wall of the third fixing rod 403, one end of the second connecting rod 401 penetrates through a side wall of the mounting block 304 and is fixed to a side wall of a third sliding plate 905, a notch 405 is formed in a side wall of the connecting plate 404, a connecting pin is slidably connected in the notch 405, one end of the connecting pin is fixedly connected with a push rod 406, the other end of the push rod 406 is fixed to a side wall of the L-shaped plate 309, the second connecting rod 401 is moved to push the connecting plate 404 to rotate along the second fixing rod 402, and meanwhile, the rotation of the connecting plate 404 pushes the push rod 406 to move, so that the L-shaped plate 309 moves along the sliding rail 802, so that the amount of movement of the third sliding plate 905 is amplified in the amount of movement of the L-shaped plate 309.

Preferably, the sliding mechanism includes a sliding rail 802 fixedly connected to the side wall of the U-shaped plate 12, a sliding groove 801 is formed in the side wall of the L-shaped plate 309, and the sliding groove 801 slides on the sliding rail 802 to guide and limit the sliding of the L-shaped plate 309.

Preferably, the lateral wall of the strip-shaped opening 16 is provided with a cleaning brush, so that the fan-shaped clamping plate 15 can clean the surface thereof in the rotating process, and the using effect is ensured.

Preferably, the side wall of the fifth sliding surface 502 is provided with a smooth film to reduce the friction force during sliding, so that the sector clamp 15 can slide smoothly on the surface.

The working principle is as follows: when the PLC module is used, firstly, when the PLC module body 11 needs to be plugged, the conductive plate 1101 is inserted between the two fan-shaped clamping plates 15, at this time, the second fixing block 302 on the first supporting plate 301 slides on the third sliding surface 307 and the side wall of the first sliding plate 305, at this time, the third sliding plate 905 is pushed to slide towards the sliding groove 901, meanwhile, the fifth spring 903 contracts, and further the second connecting rod 401 is pushed to move, the movement of the second connecting rod 401 pushes the L-shaped plate 309 to slide along the side wall of the sliding rail 802 through the stroke amplification mechanism, so that the fourth sliding surface 313 of the first extrusion block 312 slides on the side wall of the first sliding surface 1501, and thus the two fan-shaped clamping plates 15 rotate to clamp and fix the conductive plate 1101, the clamping is more convenient and firm, and simultaneously, due to the limiting effect of the limiting surface 308, self-locking is realized after the clamping, and the disengagement of the second fixing block 302 is avoided, the connection between the PLC module body 11 and the circuit board body 1 is more fastened, so that looseness of the PLC module body 1 in the use process is avoided, meanwhile, by arranging the telescopic mechanism, when the two fan-shaped clamping plates 15 clamp the conductive plate 1101 of the PLC module body 11, the moving block 14 and the second T-shaped guide rod 202 slide along the side wall of the first fixing plate 201, and meanwhile, the second spring 203 contracts, so that the fan-shaped clamping plates 15 clamp the conductive plate 1101 more tightly due to the extrusion force of the second spring 203, and the clamping effect is better;

moreover, by arranging the protection mechanism, when the PLC module body 11 needs to be taken down, only the push rod 701 needs to be pressed, so that the mounting block 304 slides along the side wall of the first fixing rod 702, meanwhile, the fourth spring 703 contracts, at this time, the mounting block 304 is staggered with the first supporting plate 301, the second fixing block 302 is not abutted with the limiting surface 308, at this time, the fifth spring 903 is used to drive the second connecting rod 401 to reset, further, the L-shaped plate 309 is reset through the stroke amplification mechanism, the movement of the L-shaped plate 309 drives the moving plate 501 to move towards the direction close to the mounting block 304, so that the side wall of the fan-shaped clamping plate 15 slides on the side wall of the fifth sliding surface 502, the fan-shaped clamping plate 15 rotates towards the U-shaped plate 12 to reset, and the side wall of the second extrusion block 506 is abutted with the side wall of the second sliding surface 1502, so that the fan-shaped clamping plate 15 completely rotates into the U-shaped plate 12, avoid impurity such as dust to adhere to on fan-shaped splint 15's surface, play the guard action to it, guarantee PLC module body 11's normal connection effect to, at fan-shaped splint 15's rotation in-process, because bar opening 16's lateral wall is provided with the clearance brush, further clear up its surperficial impurity, make the result of use better.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a PLC modularization circuit board, includes circuit board body and PLC module body, PLC module body includes the current conducting plate, its characterized in that: a working opening is arranged on the side wall of the circuit board body, two symmetrically arranged U-shaped plates are fixedly connected with the side wall of the working opening, the side wall of the U-shaped plate is provided with a strip-shaped opening, the side wall of the U-shaped plate is sleeved with a guard plate, the guard plate is fixed with the side wall of the circuit board body, the side wall of the U-shaped plate is provided with a telescopic mechanism, the telescopic mechanism is connected with two symmetrically arranged moving blocks, the side wall of the moving block is rotationally connected with a sector splint through a rotating shaft, the sector splint comprises a first sliding surface and a second sliding surface, the fan-shaped clamping plate is inserted in the strip-shaped opening and is electrically connected with the circuit board body, the side wall of the U-shaped plate is provided with a clamping mechanism for driving the fan-shaped clamping plate to clamp the conductive plate, the lateral wall of U-shaped board is provided with and is used for accomodating fan-shaped splint and carries out the protection mechanism that protects in the U-shaped board.

2. The PLC modular circuit board of claim 1, wherein: the clamping mechanism comprises mounting holes formed in the side walls of the protection plates, a switching mechanism is arranged on the side wall of one U-shaped plate, a mounting block is connected onto the switching mechanism and slides on the side wall of the mounting hole, the side wall of the mounting block is connected with a first sliding plate through a resetting mechanism, a plurality of first fixing blocks are fixedly connected to the side wall of the first sliding plate, each first fixing block comprises a limiting surface and a third sliding surface which is obliquely arranged, the side wall of the PLC module body is fixedly connected with a first support plate, the side wall of the first support plate is fixedly connected with a second fixing block, the second fixing block slides on the side wall of the first sliding plate, sliding mechanisms are arranged on the lower side walls of the two U-shaped plates, two L-shaped plates which are symmetrically arranged are connected onto each sliding mechanism, and a stroke amplification mechanism is arranged between each resetting mechanism and one of the L-shaped plates, the lateral wall of one of them U-shaped plate is seted up jaggedly, the breach interpolation is equipped with the head rod, and the both ends of head rod are fixed with the lateral wall of L-shaped plate respectively, the lateral wall of L-shaped plate is inserted and is equipped with the first T shape guide arm that two symmetries set up, the first extrusion piece of one end fixedly connected with of first T shape guide arm, first extrusion piece is including the fourth glide plane that the slope set up, and the fourth glide plane slides on first glide plane, the lateral wall cover of first T shape guide arm is equipped with first spring, and the both ends of first spring are fixed with the lateral wall of first extrusion piece and L-shaped plate respectively.

3. The PLC modular circuit board of claim 1, wherein: the telescopic mechanism comprises a first fixing plate fixedly connected to the lower side wall of the U-shaped plate, a second T-shaped guide rod is inserted into the side wall of the first fixing plate, one end of the second T-shaped guide rod is fixed to the side wall of the moving block, a second spring is sleeved on the side wall of the second T-shaped guide rod, and two ends of the second spring are fixed to the side wall of the moving block and the side wall of the first fixing plate respectively.

4. The PLC modular circuit board of claim 1, wherein: protection machanism includes that fixed connection moves the board on L shaped plate lateral wall, the first loop bar of other end lateral wall fixedly connected with of movable plate, the lateral wall cover of first loop bar is equipped with first sleeve, and first sheathed tube other end fixedly connected with second extrusion piece, second extrusion piece includes the fifth glide plane, fan-shaped splint slide on the fifth glide plane, first sheathed tube lateral wall cover is equipped with the third spring, and the both ends of third spring are fixed with the lateral wall of movable plate and second extrusion piece respectively.

5. The PLC modular circuit board of claim 2, wherein: the switching mechanism comprises a first fixing rod fixedly connected to the side wall of one U-shaped plate, a second sliding plate is sleeved on the first fixing rod, the other end of the second sliding plate is fixed to the side wall of the mounting block, a fourth spring is sleeved on the side wall of the first fixing rod, two ends of the fourth spring respectively abut against the side walls of the U-shaped plate and the second sliding plate, a second supporting plate is fixedly connected to the side wall of the mounting block, a push rod is fixedly connected to the side wall of the second supporting plate, and the other end of the push rod penetrates through the side wall of the guard plate.

6. The PLC modular circuit board of claim 2, wherein: the resetting mechanism comprises a sliding groove formed in the side wall of the mounting block, a third sliding plate is connected in the sliding groove in a sliding mode and fixed with the side wall of the first sliding plate, a second loop bar is fixedly connected to the side wall of the third sliding plate, a second sleeve is sleeved on the side wall of the second loop bar, the other end of the second sleeve is fixed with the side wall of the sliding groove, a fifth spring is sleeved on the side wall of the second sleeve, and two ends of the fifth spring are fixed with the third sliding plate and the side wall of the sliding groove respectively.

7. The PLC modular circuit board of claim 2, wherein: the stroke amplification mechanism comprises a second fixed rod fixedly connected to one of the U-shaped plate side walls, a side wall fixedly connected with connecting plate of the second fixed rod, a side wall fixedly connected with a third fixed rod of the connecting plate, a side wall sleeve of the third fixed rod is provided with a second connecting rod, one end of the second connecting rod penetrates through the side wall of the mounting block and is fixed to the side wall of the third sliding plate, a notch is formed in the side wall of the connecting plate, a connecting pin is connected to the notch in a sliding mode, one end of the connecting pin is fixedly connected with a push rod, and the other end of the push rod is fixed to the side wall of the L-shaped plate.

8. The PLC modular circuit board of claim 2, wherein: the sliding mechanism comprises a sliding rail fixedly connected to the side wall of the U-shaped plate, a sliding groove is formed in the side wall of the L-shaped plate, and the sliding groove slides on the sliding rail.

9. The PLC modular circuit board of claim 1, wherein: the lateral wall of the strip-shaped opening is provided with a cleaning brush.

10. The PLC modular circuit board of claim 4, wherein: and the side wall of the fifth sliding surface is provided with a smooth film.