CN216491641U - PLC control device - Google Patents

Abstract

The utility model discloses a PLC control device, which comprises a casing, the front of the casing is provided with two casing doors, the back of the casing doors is provided with a limit chute, and the interior of the limit chute is arranged There are moving arrival wheels. When the PLC control device is used or overhauled by the staff, the main body of the control device is driven into the interior of the casing by turning the knob, and at the same time, the abutment rod drives the movement of the abutment wheel to close the casing door, which can prevent dust from entering the keys on the control panel. Accumulation on the control panel will affect the use of the control panel, and even make the dust directly enter the main body of the control device, resulting in a short circuit of the electrical components inside the device and affecting the use of the device. When the main body of the control device is working, the main body of the control device can be dissipated by starting the fan. By setting the dustproof net in the fan slot and the top cover on the ventilation hole, dust can be prevented from entering the inside of the device and affecting the use of the device when the device is dissipating heat.

Description

A PLC control device

technical field

The utility model relates to the technical field of PLC control, in particular to a PLC control device.

Background technique

The PLC integrated control cabinet has protection functions such as overload, short circuit and phase loss protection. It has compact structure, stable operation and complete functions. It can be combined according to the actual control scale. It can realize automatic control of a single cabinet or multiple cabinets to form a distributed control system through industrial Ethernet or industrial fieldbus network; PLC control The cabinet can adapt to various industrial automation control occasions of various sizes, and is widely used in electric power, metallurgy, chemical industry, papermaking, environmental protection sewage treatment and other industries.

The existing PLC control devices still have some shortcomings. For example, the control panel of some PLC control devices is set outside the device, and the keys of the control panel are easy to accumulate dust, causing the keys to fail, affecting the service life of the device, and even easy to make The dust directly enters the inside of the device, causing the electrical components inside the device to short-circuit, affecting the use of the device, and the control panel is prone to bumps on the outside. For this reason, we propose a PLC control device.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides a PLC control device, which has the advantages that the control panel is arranged inside the device, and it is convenient to remove the device for use, etc., and solves the problem that the panel is arranged outside the device, and the keys of the control panel are easily accessible. Accumulation of dust will cause the keys to fail, affect the service life of the device, and even easily allow dust to directly enter the device, resulting in a short circuit of the electrical components inside the device, affecting the use of the device, and the control panel is prone to bumps on the outside.

(2) Technical solutions

In order to realize the purpose that the above-mentioned panel is arranged inside the device and is convenient for removing the device for use, the present invention provides the following technical solution: a PLC control device, comprising a shell, the front of the shell is provided with two shell doors, the The back of the shell door is provided with a limit chute, the inside of the limit chute is provided with a moving abutment wheel, the inside of the shell is provided with a threaded rod, and the outer surface of the threaded rod is screwed and assembled with a threaded block, The interior of the housing is fixedly assembled with a limit slide rod, the outer surface of the limit slide rod is slidably connected with a slider, a fixed frame is fixedly assembled between the slider and the threaded block, and the interior of the fixed frame is fixed The main body of the control device is assembled, the surface of the main body of the control device is fixed on the control panel, the surface of the main body of the control device is fixedly assembled with two abutting rods, and one end of the abutting rods is movably connected with the moving abutting wheel, so The bottom wall of the casing is provided with a fan slot, a fan is fixedly assembled inside the fan slot, and a dust-proof net is arranged below the fan.

Preferably, a support plate is fixedly assembled inside the casing, and one end of the threaded rod is rotatably connected to the support plate.

Preferably, the other end of the threaded rod penetrates and extends to the outside of the housing, and the other end of the threaded rod is fixedly assembled with a knob.

Preferably, two support slide bars are fixedly assembled inside the housing, and two support slide bars are fixedly assembled on the bottom surface of the control device main body, and the control device body is slidably connected to the support slide bar through the support slide bars.

Preferably, the width of the opening of the limit chute is smaller than the inner width of the limit chute, the width of the moving abutment wheel is greater than the width of the opening of the limit chute, and the interior of the housing is fixedly assembled with Upholstered.

Preferably, the top wall of the casing is provided with a plurality of ventilation holes, the upper surface of the casing is fixedly assembled with a support column, the top end of the support column is fixedly assembled with a top cover, and the ventilation holes are all arranged on the top under the cover.

(3) Beneficial effects

Compared with the prior art, the utility model provides a PLC control device, which has the following beneficial effects:

(1) The PLC control device, by turning the knob, drives the threaded rod to rotate, the threaded rod drives the threaded block to move through its own rotation, the threaded block drives the fixed frame to move on the limit slider through the slider, and the fixed frame drives the main body of the control device to move, The main body of the control device drives the push rod to move, and the push rod drives the moving push roller to slide in the limit chute to open the two shell doors. At the same time, the main body of the control device moves outward, which drives the control panel on itself to move outward, which is convenient for the staff. It is easy to operate and use, and it is also convenient for the staff to overhaul the main body of the control device.

(2) When the PLC control device is used or overhauled by the staff, the main body of the control device is driven into the interior of the casing by turning the knob, and the abutting rod drives the moving abutting wheel to close the casing door, which can prevent dust from entering the control panel. Accumulation on the keys on the device affects the use of the control panel, and even allows dust to directly enter the main body of the control device, resulting in a short circuit of the electrical components inside the device and affecting the use of the device. When the main body of the control device is working, the main body of the control device can be dissipated by starting the fan. By setting the dust-proof net in the fan slot and the top cover on the ventilation hole, dust can be prevented from entering the inside of the device and affecting the use of the device when the device is dissipating heat.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the A-A cross-sectional schematic diagram of the utility model;

Fig. 3 is the structure enlarged view of B in Fig. 2 of the utility model;

FIG. 4 is a schematic structural diagram of the utility model.

In the figure: 1. Shell; 2. Shell door; 3. Limiting chute; 4. Top cover; 5. Supporting sliding rod; 6. Threaded rod; 7. Threaded block; 8. Limiting sliding rod; 9. Slider; 10. Fixed frame; 11. Main body of control device; 12. Control panel; 13. Abutting rod; 14. Moving abutting wheel; 15. Supporting plate; 16. Fan slot; 17. Fan; 18. Dustproof net; 19. Ventilation hole; 20. Support slider.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-4, a PLC control device includes a casing 1, two casing doors 2 are arranged on the front of the casing 1, and a limit chute 3 is provided on the back of the shell door 2. A moving abutment wheel 14 is arranged inside, a threaded rod 6 is arranged inside the casing 1, a threaded block 7 is screwed and assembled on the outer surface of the threaded rod 6, and a limit sliding rod 8 is fixedly assembled inside the casing 1. The limit sliding rod A sliding block 9 is slidably connected to the outer surface of 8, a fixed frame 10 is fixedly assembled between the sliding block 9 and the threaded block 7, and the interior of the fixed frame 10 is fixedly assembled with a control device main body 11, and the surface of the control device main body 11 is fixed on the assembled The control panel 12 and the surface of the control device main body 11 are fixedly assembled with two abutting rods 13, one end of the abutting rods 13 is movably connected with the moving abutting wheel 14, the bottom wall of the casing 1 is provided with a fan slot 16, and the inside of the fan slot 16 A fan 17 is fixedly assembled, and a dust-proof net 18 is arranged below the fan 17 .

Referring to FIG. 2 , a support plate 15 is fixedly assembled inside the housing 1 , and one end of the threaded rod 6 is rotatably connected to the support plate 15 , which facilitates the auxiliary support of the threaded rod 6 , ensures the normal operation of the threaded rod 6 and ensures the normal operation of the device.

Referring to FIG. 2, the other end of the threaded rod 6 penetrates and extends to the outside of the housing 1, and the other end of the threaded rod 6 is fixedly equipped with a knob, which is convenient to rotate the knob to drive the threaded rod 6 to rotate, and the threaded rod 6 drives the thread through its own rotation. The block 7 is moved to facilitate the use of the device.

Referring to FIG. 4 , two support slide bars 5 are fixedly assembled inside the housing 1 , and two support slide bars 20 are fixedly assembled on the bottom surface of the control device main body 11 , and the control device body 11 slides with the support slide bar 5 through the support slide bars 20 . The connection is convenient for the fixed frame 10 to drive the main body 11 of the control device to slide on the support slide bar 5 through the support slider 20 , so that the main body 11 of the control device can be moved to limit the position conveniently.

Referring to FIG. 2 , the width of the opening of the limit chute 3 is smaller than the inner width of the limit chute 3 , the width of the moving abutment wheel 14 is greater than the width of the opening of the limit chute 3 , and the interior of the housing 1 is fixedly assembled with The soft pad prevents the moving abutment wheel 14 from falling off the limit chute 3 and affects the normal operation of the device.

Referring to FIG. 4 , the top wall of the housing 1 is provided with a plurality of ventilation holes 19 , the upper surface of the housing 1 is fixedly assembled with a support column, the top of the support column is fixedly assembled with a top cover 4 , and the ventilation holes 19 are all arranged in the top cover 4 . It is convenient for the air flow inside the casing 1 to dissipate heat from the device, and prevent dust from entering the device from the ventilation hole 19 .

Working principle: The PLC control device, when in use, firstly drives the threaded rod 6 to rotate by turning the knob, the threaded rod 6 drives the threaded block 7 to move through its own rotation, and the threaded block 7 drives the fixed frame 10 to pass the slider 9 to the limit sliding rod 8. Move, the fixed frame 10 drives the main body 11 of the control device to move, the main body 11 of the control device drives the push rod 13 to move, the push rod 13 drives the moving push wheel 14 to slide in the limit chute 3, the two shell doors 2 are opened, and the control device The main body 11 moves outward, which drives the control panel on itself to move outward, which is convenient for the staff to operate and use, and it is also convenient for the staff to overhaul the main body 11 of the control device. The main body 11 of the device enters the interior of the casing 1, and at the same time, the abutting rod 13 drives the moving abutting wheel 14 to close the casing door 2, which can prevent dust from accumulating on the keys on the control panel 12, affecting the use of the control panel 12, and even allowing the dust to enter directly. Inside the main body 11 of the control device, the electrical components inside the device are short-circuited, which affects the use of the device. When the control device main body 11 is working, the control device main body 11 can be dissipated by starting the fan 17, and by arranging the dustproof net 18 in the fan slot 16 and the top cover 5 on the ventilation hole 19, the dust can be prevented from being dissipated when the device is dissipating heat. Access to the inside of the device affects the use of the device.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A PLC control device, comprising a casing (1), characterized in that: the front of the casing (1) is provided with two casing doors (2), and the back of the casing door (2) is provided with limited openings. A position chute (3), a moving abutment wheel (14) is arranged inside the limit chute (3), a threaded rod (6) is arranged inside the casing (1), and the threaded rod (6) ) is screwed and assembled with a threaded block (7), the interior of the housing (1) is fixedly assembled with a limit slide rod (8), and a slider is slidably connected to the outer surface of the limit slide rod (8). (9), a fixing frame (10) is fixedly assembled between the sliding block (9) and the threaded block (7), and a control device main body (11) is fixedly assembled inside the fixing frame (10). The surface of the device main body (11) is fixed on the control panel (12), the surface of the control device main body (11) is fixedly equipped with two abutting rods (13), and one end of the abutting rods (13) is connected to the moving The abutment wheel (14) is movably connected, the bottom wall of the casing (1) is provided with a fan slot (16), the fan slot (16) is fixedly assembled with a fan (17), and the fan (17) is A dust filter (18) is arranged below. 2 . The PLC control device according to claim 1 , wherein a support plate ( 15 ) is fixedly assembled inside the casing ( 1 ), and one end of the threaded rod ( 6 ) is connected to the support plate ( 2 . 15) Turn the connection. 3. A PLC control device according to claim 1, characterized in that: the other end of the threaded rod (6) penetrates and extends to the outside of the housing (1), and the threaded rod (6) The other end is fixedly fitted with a knob. 4. A PLC control device according to claim 1, characterized in that: the inside of the casing (1) is fixedly assembled with two support slide bars (5), and the bottom surface of the control device main body (11) Two supporting sliders (20) are fixedly assembled, and the control device main body (11) is slidably connected with the supporting sliding rod (5) through the supporting sliders (20). 5. A PLC control device according to claim 1, characterized in that: the width of the opening of the limit chute (3) is smaller than the inner width of the limit chute (3), and the moving abutting wheel The width of (14) is greater than the width of the opening of the limit chute (3), and the interior of the housing (1) is fixedly fitted with a cushion. 6. A PLC control device according to claim 1, characterized in that: the top wall of the casing (1) is provided with a plurality of ventilation holes (19), and the upper surface of the casing (1) is fixed A support column is assembled, the top end of the support column is fixedly assembled with a top cover (4), and the ventilation holes (19) are all arranged below the top cover (4).

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