CN211297294U - Relay unit module for large-scale IO (input/output) extension of PLC (programmable logic controller) - Google Patents
Relay unit module for large-scale IO (input/output) extension of PLC (programmable logic controller) Download PDFInfo
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- CN211297294U CN211297294U CN201922459003.2U CN201922459003U CN211297294U CN 211297294 U CN211297294 U CN 211297294U CN 201922459003 U CN201922459003 U CN 201922459003U CN 211297294 U CN211297294 U CN 211297294U
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Abstract
The utility model discloses a relay unit module for extensive IO of PLC extension, the power distribution box comprises a box body, box both sides wall central point puts the symmetry and has seted up first recess, two first recess has seted up the second recess in opposite directions one side lateral wall, lateral wall central point puts the top and is provided with the mounting panel under the second recess, mounting panel roof fixedly connected with rubber pad, the third recess has been seted up to lateral wall both sides intermediate position symmetry under the second recess. The utility model discloses, be provided with installation mechanism, device body simple to operate just adopts detachable relay device design, does benefit to the dismouting and overhauls, is provided with relay device's spacing protection machanism simultaneously to and be provided with relay device's wire rod receiving mechanism, it is fairly convenient when lieing in the in-service use device body, whole device practical application is worth highly.
Description
Technical Field
The utility model relates to a relay unit module technical field especially relates to a relay unit module that is used for extensive IO of PLC to expand.
Background
A relay module is a module for connecting two different devices. The DC24V is adopted for supplying power, the bus signal input and output are electrically isolated, the signal isolation transmission of the detector bus is completed, the anti-interference capability of the whole system can be enhanced, and the function of expanding the communication distance of the detector bus is realized.
At present, the relay unit module is widely used, wherein the relay unit module comprises a relay unit module for large-scale IO expansion of PLC, the existing relay unit module for large-scale IO expansion of PLC is inconvenient to install, the relay device is difficult to disassemble and assemble, meanwhile, a limiting protection mechanism of the relay device is lacked, a wire material accommodating mechanism of the relay device is also lacked, inconvenience is caused during actual use, and the whole practical application value is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the relay unit module who provides for the extensive IO of PLC extension.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a relay unit module for large-scale IO expansion of a PLC comprises a box body, wherein first grooves are symmetrically formed in the central positions of two side walls of the box body, second grooves are formed in the side walls of two opposite sides of the first grooves, a mounting plate is arranged above the central position of the lower side wall of each second groove, a rubber pad is fixedly connected to the top wall of the mounting plate, third grooves are symmetrically formed in the middle positions of two sides of the lower side wall of each second groove, fourth grooves penetrating through the top wall of the box body are formed in the central position of the upper side wall of each second groove, a cover plate is slidably connected to the top wall of the box body at the opening of each fourth groove, a relay device is fixedly arranged at the central position of the bottom wall of each cover plate and is slidably connected into the second grooves and the fourth grooves, a rubber pad top wall is slidably connected to, and a winding reel is arranged between the central positions of the front side wall and the rear side wall of the first groove, and fans are symmetrically and fixedly arranged in the middle positions of the two sides of the upper side wall of the second groove.
As a further description of the above technical solution:
the box bottom wall bilateral symmetry fixedly connected with mount pad, the mount pad is kept away from and is seted up the mounting hole between the wall of box one side upper and lower both sides, the mounting hole is the screw hole.
As a further description of the above technical solution:
the two third grooves penetrate through the bottom wall of the box body, and dust screens are fixedly mounted at the positions, located at the openings of the two third grooves, of the bottom wall of the box body.
As a further description of the above technical solution:
and springs are vertically and fixedly connected between the middle positions of the two sides of the bottom wall of the mounting plate and the lower side wall of the second groove.
As a further description of the above technical solution:
the winding reel is wound with a transmission line on the side, a mounting groove is formed between the center positions of the front side wall and the rear side wall of the winding reel, and a motor output shaft is fixedly mounted in the mounting groove.
As a further description of the above technical solution:
the two side walls of the fourth groove are symmetrically and fixedly connected with rubber blocks, the side wall of one side, opposite to the rubber blocks, of the rubber block is connected with the side wall of the relay device in a sliding mode, and pull rings are symmetrically and fixedly connected to the middle positions of the two sides of the top wall of the cover plate.
The utility model discloses following beneficial effect has:
compared with the prior art, the relay unit module for large-scale IO extension of PLC is provided with installation mechanism, and device body simple to operate just adopts detachable relay device design, does benefit to the dismouting and overhauls, is provided with relay device's spacing protection mechanism simultaneously to and be provided with relay device's wire rod receiving mechanism, it is fairly convenient when lieing in the in-service use device body, and whole device practical application is worth highly.
Drawings
Fig. 1 is a schematic structural diagram of a relay unit module for large-scale IO extension of PLC according to the present invention;
fig. 2 is an enlarged view of a relay unit module for large-scale IO extension of PLC shown in fig. 1 according to the present invention;
fig. 3 is an enlarged view of B in fig. 1 of a relay unit module for large-scale IO extension of PLC according to the present invention.
Illustration of the drawings:
1. a box body; 2. a first groove; 3. a second groove; 4. mounting a plate; 5. a rubber pad; 6. a third groove; 7. a fourth groove; 8. a cover plate; 9. a relay device; 10. a bobbin; 11. a transmission line; 12. a fan; 13. a mounting seat; 14. a spring; 15. a dust screen; 16. mounting grooves; 17. an output shaft of the motor; 18. a pull ring; 19. a rubber block; 20. and (7) installing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a relay unit module for large-scale IO expansion of PLC comprises a box body 1, wherein first grooves 2 are symmetrically formed in the central positions of two side walls of the box body 1, second grooves 3 are formed in the side walls of two opposite sides of the two first grooves 2, a mounting plate 4 is arranged above the central position of the side wall of the second groove 3, rubber pads 5 are fixedly connected to the top wall of the mounting plate 4, third grooves 6 are symmetrically formed in the middle positions of two sides of the side wall of the second groove 3, a fourth groove 7 penetrating through the top wall of the box body 1 is formed in the central position of the side wall of the second groove 3, a cover plate 8 is slidably connected to the opening of the fourth groove 7 of the top wall of the box body 1, a relay device 9 (with a power relay function, namely, when more power supply power of modules carried by a PLC backboard bus is insufficient, a relay power supply can be added by the relay device, when needing the multirow to put in the rack, can realize the line of going with it), 9 sliding connection of relay device is in second recess 3 and fourth recess 7, play the limiting displacement to relay device 9, 9 diapire sliding connection of relay device has 5 roofs of rubber pad, play the guard action to relay device 9, 9 below both sides input/output end symmetry fixedly connected with transmission line 11 of relay device, the transmission line 11 of relay device 9 accessible both sides is connected and is waited the relaying object, be provided with bobbin 10 between 2 front and back both sides wall central point puts of first recess, lateral wall both sides intermediate position symmetry fixed mounting has fan 12 on second recess 3, can carry out wind-guiding heat dissipation work.
The two sides of the bottom wall of the box body 1 are symmetrically and fixedly connected with mounting seats 13, mounting holes 20 are arranged between the upper side wall and the lower side wall of one side of the mounting seat 13, which is far away from the box body 1, the mounting holes 20 are threaded holes, which are beneficial to fixing and mounting the device body, the two third grooves 6 penetrate through the bottom wall of the box body 1, dust screens 15 are fixedly mounted on the bottom wall of the box body 1, which is positioned at the openings of the two third grooves 6, and play a role in dust prevention, springs 14 are vertically and fixedly connected between the middle positions of the two sides of the bottom wall of the mounting plate 4 and the lower side wall of the second groove 3, so as to play a role in compressing the rubber pads 5 and the relay device 9, the transmission line 11 at the side is wound on the winding reel 10, so as to play a role in accommodating the transmission line 11, a mounting groove, the lateral wall of one side of two rubber blocks 19 opposite to each other is connected with the lateral wall of the relay device 9 in a sliding mode, the limiting protection effect on the relay device 9 is achieved, pull rings 18 are symmetrically and fixedly connected to the middle positions of the two sides of the top wall of the cover plate 8, the pull rings 18 on the two sides can be held, the cover plate 8 is pulled, the relay device 9 is pulled out of the second groove 3 and the fourth groove 7, and the maintenance work of the relay device 9 is conducted.
The working principle is as follows: when the device is used, the device body can be fixedly installed through the installation hole 20 on the installation seat 13 of the device body, the relay device 9 (which has a power supply relay function, namely, when more modules carried by the PLC backplane bus are insufficient in power supply, the relay power supply can be added, and has a rack line changing function, namely, when more modules carried by the PLC backplane bus are required to be arranged in a plurality of lines in a cabinet, the relay device can be rotated) can be connected with an object to be relayed through the transmission lines 11 on two sides, so as to complete the installation of the relay device 9, the winding reel 10 is wound on the transmission line 11 on the side to play a role in accommodating the transmission line 11, when the relay device 9 works, a large amount of heat can be generated, the fan 12 can be opened to guide and dissipate the heat, the heat is blown out through the third groove 6 on the lower side, so as to ensure the long-time stable work of, 8 diapire central point of apron puts fixed mounting has relay 9, relay 9 sliding connection is in second recess 3 and fourth recess 7, relay 9 diapire sliding connection has 5 roofs of rubber pad, vertical fixedly connected with spring 14 between 4 diapire both sides intermediate positions of mounting panel and the second recess 3 lower side wall, fourth recess 7 both sides wall symmetry fixedly connected with rubber piece 19, two rubber piece 19 have this side lateral wall of relay 9 to one side lateral wall sliding connection in opposite directions, 8 roofs of apron both sides intermediate position symmetry fixedly connected with pull ring 18, rubber pad 5 has played the spacing protection buffering cushioning effect to relay 9 with rubber piece 19 jointly, and can grip both sides pull ring 18, pulling apron 8, take relay 9 out in second recess 3 and fourth recess 7, carry out relay 9 maintenance work.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a relay unit module for extensive IO of PLC extends, includes box (1), its characterized in that: the box body (1) is symmetrically provided with first grooves (2) at the central positions of two side walls of the box body (1), two opposite side walls of the first grooves (2) are provided with second grooves (3), a mounting plate (4) is arranged above the central position of the lower side wall of the second groove (3), the top wall of the mounting plate (4) is fixedly connected with a rubber pad (5), third grooves (6) are symmetrically provided at the middle positions of two sides of the lower side wall of the second groove (3), a fourth groove (7) penetrating through the top wall of the box body (1) is arranged at the central position of the upper side wall of the second groove (3), the opening of the top wall of the box body (1) at the fourth groove (7) is slidably connected with a cover plate (8), a relay device (9) is fixedly arranged at the central position of the bottom wall of the cover plate (8), and the relay device (9) is, the utility model discloses a fan, relay device (9) diapire sliding connection has rubber pad (5) roof, relay device (9) below both sides input/output end symmetry fixedly connected with transmission line (11), be provided with bobbin (10) between both sides wall central point puts around first recess (2), lateral wall both sides intermediate position symmetry fixed mounting has fan (12) on second recess (3).
2. The relay unit module for PLC large-scale IO expansion according to claim 1, wherein: the box body (1) diapire bilateral symmetry fixedly connected with mount pad (13), mounting hole (20) have been seted up between the wall of both sides about box (1) one side was kept away from in mount pad (13), mounting hole (20) are the screw hole.
3. The relay unit module for PLC large-scale IO expansion according to claim 1, wherein: two third recess (6) run through box (1) diapire, box (1) diapire is located two third recess (6) opening parts fixed mounting has dust screen (15).
4. The relay unit module for PLC large-scale IO expansion according to claim 1, wherein: and springs (14) are vertically and fixedly connected between the middle positions of the two sides of the bottom wall of the mounting plate (4) and the lower side wall of the second groove (3).
5. The relay unit module for PLC large-scale IO expansion according to claim 1, wherein: the winding reel (10) is wound with a transmission line (11) on the side, an installation groove (16) is formed between the center positions of the front side wall and the rear side wall of the winding reel (10), and a motor output shaft (17) is fixedly installed in the installation groove (16).
6. The relay unit module for PLC large-scale IO expansion according to claim 1, wherein: the rubber blocks (19) are symmetrically and fixedly connected to two side walls of the fourth groove (7), the side wall, opposite to one side of each rubber block (19), is connected with the side wall of the relay device (9) in a sliding mode, and pull rings (18) are symmetrically and fixedly connected to the middle positions of two sides of the top wall of the cover plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922459003.2U CN211297294U (en) | 2019-12-30 | 2019-12-30 | Relay unit module for large-scale IO (input/output) extension of PLC (programmable logic controller) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922459003.2U CN211297294U (en) | 2019-12-30 | 2019-12-30 | Relay unit module for large-scale IO (input/output) extension of PLC (programmable logic controller) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211297294U true CN211297294U (en) | 2020-08-18 |
Family
ID=72021181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922459003.2U Active CN211297294U (en) | 2019-12-30 | 2019-12-30 | Relay unit module for large-scale IO (input/output) extension of PLC (programmable logic controller) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211297294U (en) |
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2019
- 2019-12-30 CN CN201922459003.2U patent/CN211297294U/en active Active
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