Protective PLC controller

Abstract

The utility model discloses a protective PLC (Programmable Logic Controller), which comprises a controller body, and a motor is arranged in the controller body; the output end of the motor is in key connection with blades, the blades are rotationally arranged in the controller body, the output end of the motor is connected with the inner end of a rotating rod through a bevel gear set, the rotating rod is rotationally arranged in the controller body, and the outer end of the rotating rod is connected with a cam through a belt pulley set; the cam rotates in the controller body, the outer end of the cam is attached to the inner side of the containing block, and the upper end and the lower end of the containing block slide in the controller body. The protection type PLC is provided with the cam, the cam rotates to push the filter screen to move, then the filter screen shakes through the first spring, dust adsorbed on the filter screen is removed through shaking, blockage of the filter screen is avoided, and then the protection performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PLC controllers, in particular to a protective PLC controller. Background Art

[0002] PLC controller is a computer controller specially used in the field of industrial automation. Its main function is to control and monitor various equipment and processes to achieve automatic control and then realize automated processing and production.

[0003] Reference publication number CN218042126U discloses a PLC controller that is easy to dissipate heat. The shielding device shields the heat dissipation holes on the PLC controller body when the PLC controller body is not in use, thereby avoiding dust accumulation on the heat dissipation holes of the PLC controller body as much as possible, thereby affecting the subsequent heat dissipation effect of the PLC controller body, and improving the service life of the PLC controller body. However, the following problems still exist:

[0004] In the actual use of the above-mentioned device, although the shielding device is used to achieve the purpose of protection, the shielding device needs to use a protective cloth to block the dust, and the dust will be adsorbed on the protective cloth, which will cause the surface of the protective cloth to be blocked, which may cause the protective cloth to affect the heat dissipation of the PLC controller, thereby reducing the protection.

[0005] Therefore, we proposed a protective PLC controller that can solve the above problems well. Utility Model Content

[0006] The purpose of the utility model is to provide a protective PLC controller to solve the problem proposed in the above background technology that the shielding device on the current market needs to use a protective cloth to block dust, and the dust will be adsorbed on the protective cloth, which will cause the surface of the protective cloth to be blocked, which may cause the protective cloth to affect the heat dissipation network of the PLC controller, thereby reducing the protection.

[0007] To achieve the above object, the utility model provides the following technical solutions: a protective PLC controller, comprising a controller body, wherein a motor is arranged inside the controller body;

[0008] Also includes:

[0009] The output end key of the motor is connected with a blade, and the blade rotates inside the controller body, and the output end of the motor is connected to the inner end of the rotating rod through a bevel gear set, the rotating rod rotates inside the controller body, and the outer end of the rotating rod is connected to the cam through a pulley set, and the cam rotates inside the controller body, the outer end of the cam fits on the inner side of the accommodating block, and the upper and lower ends of the accommodating block slide inside the controller body, and a first spring is connected to the right side of the outer end of the accommodating block, the outer end of the first spring is connected to the inside of the controller body, and a filter screen slides inside the accommodating block.

[0010] Preferably, the diameter of the cam is half the diameter of the opening inside the controller body, and the opening inside the controller body is arranged in a circular shape.

[0011] Preferably, a protrusion is slidably connected to the outer end of the filter, and the inner side of the outer end of the protrusion is arranged in an arc shape.

[0012] Preferably, the outer end of the protrusion extends between the first card block and the second card block to form a locking mechanism, and the inner end of the first card block is fixed inside the controller body, and the second card block slides inside the first card block.

[0013] Preferably, the first card block is arranged in an "L" shape, and the inner side of the outer end of the first card block is inclined at the same angle as the outer side of the second card block, and the inner end of the second card block is arranged in a triangular shape.

[0014] Preferably, a third spring is connected to the interior of the accommodating block, and an outer end of the third spring is attached to the inner side of the filter screen.

[0015] Preferably, the inner end of the protrusion is connected to a second spring, and the inner end of the second spring is connected to the inside of the filter.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the protective PLC controller improves protection and facilitates convenient replacement. By rotating the cam, the filter screen can be prevented from being blocked, thereby improving protection. By moving the protrusion, the filter screen can be conveniently replaced. The specific contents are as follows:

[0017] (1) A cam is provided, and the filter is moved by rotating the cam, and then the filter is shaken by the first spring, so that the dust adsorbed on the filter is removed by shaking, thereby avoiding clogging of the filter and improving the protection;

[0018] (2) A protrusion is provided, and the protrusion can be disengaged from the engagement between the first clamping block and the second clamping block by moving the protrusion, so that the filter can be disengaged from the receiving block, and the filter can be easily replaced;

[0019] (3) The diameter of the cam is half the diameter of the opening inside the controller body, and the opening inside the controller body is circular, thereby preventing the cam from scratching the inside of the controller body during rotation;

[0020] (4) The inner end of the protrusion is connected to a second spring, and the inner end of the second spring is connected to the inside of the filter. The protrusion can be limited by the second spring, thereby improving the stability of the protrusion;

[0021] (5) The first card block is arranged in an "L" shape, and the inner side of the outer end of the first card block is inclined at the same angle as the outer side of the second card block, and the inner end of the second card block is arranged in a triangular shape, so that the second card block can fit with the first card block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0024] Figure 3 For this utility model Figure 1 A is a schematic diagram of the enlarged structure;

[0025] Figure 4 This is a schematic diagram of the front section structure of the accommodation block of the utility model;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the accommodation block of the utility model;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the cam of the utility model;

[0028] Figure 7 This is a schematic diagram of the front cross-section structure of the convex block of the utility model

[0029] In the figure: 1. controller body; 2. motor; 3. blades; 4. bevel gear set; 5. rotating rod; 6. pulley set; 7. cam; 8. receiving block; 9. first spring; 10. filter screen; 11. protrusion; 12. second spring; 13. first clamping block; 14. second clamping block; 15. third spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1:

[0032] The utility model solves the problem that the existing shielding device needs to use a protective cloth to shield dust, and the dust will be adsorbed on the protective cloth, which will cause the surface of the protective cloth to be blocked, so that the protective cloth may affect the heat dissipation network of the PLC controller, thereby reducing the protection. The filter screen 10 can be prevented from being blocked by the rotation of the cam 7, and the utility model discloses:

[0033] A controller body 1, wherein a motor 2 is arranged inside the controller body 1; further comprising: a blade 3 is key-connected to the output end of the motor 2, and the blade 3 rotates inside the controller body 1, and the output end of the motor 2 is connected to the inner end of a rotating rod 5 through a bevel gear set 4, the rotating rod 5 rotates inside the controller body 1, and the outer end of the rotating rod 5 is connected to a cam 7 through a pulley set 6, and the cam 7 rotates inside the controller body 1, the outer end of the cam 7 fits on the inner side of a receiving block 8, and the upper and lower ends of the receiving block 8 slide inside the controller body 1, and a first spring 9 is connected to the right side of the outer end of the receiving block 8, the outer end of the first spring 9 is connected to the inside of the controller body 1, and a filter screen 10 slides inside the receiving block 8, the diameter of the cam 7 is half the diameter of the opening inside the controller body 1, and the opening inside the controller body 1 is arranged in a circular shape;

[0034] refer to Figures 1 to 6 The motor 2 drives the blade 3 to rotate, and then the blade 3 rotates to transport the outside air to the inside of the controller body 1, thereby achieving the purpose of cooling the inside of the controller body 1, and the outside air will be filtered through the filter 10, and the impurities in the air can be removed through the filter 10. The output end of the motor 2 drives the bevel gear set 4 to rotate, and then the bevel gear set 4 rotates to drive the rotating rod 5, and then the rotating rod 5 rotates to drive the pulley set 6 to rotate, so that the pulley set 6 rotates to drive the cam 7 to rotate, and then the cam 7 rotates to move the capacitor The receiving block 8 slides inside the controller body 1, and the sliding of the receiving block 8 squeezes the first spring 9, so that the first spring 9 is compressed by force, and the filter 10 is moved by the movement of the receiving block 8. When the cam 7 is released from squeezing the receiving block 8, the first spring 9 pushes the receiving block 8 to move, so that the receiving block 8 can move in the opposite direction, and then the receiving block 8 can shake, so that the shaking of the receiving block 8 drives the filter 10 to shake, and then the dust on the filter 10 can be cleaned, thereby avoiding the clogging of the filter 10, and then improving the protection;

[0035] Embodiment 2:

[0036] The utility model solves the problem that the existing filter 10 needs to be disassembled when replacing the controller body 1, which makes it cumbersome to disassemble and replace the filter 10, resulting in inconvenience in replacement. The filter 10 can be easily replaced by the protrusion 11, and discloses:

[0037] A protrusion 11 is slidably provided at the outer end of the filter 10, and the inner side of the outer end of the protrusion 11 is arranged in an arc shape, the outer end of the protrusion 11 extends into between the first clamping block 13 and the second clamping block 14 to form a clamping mechanism, and the inner end of the first clamping block 13 is fixed inside the controller body 1, and the second clamping block 14 is slidably provided inside the first clamping block 13, the first clamping block 13 is arranged in an "L" shape, and the inner side of the outer end of the first clamping block 13 is consistent with the outer side of the second clamping block 14 at an inclined angle, and the inner end of the second clamping block 14 is arranged in a triangular shape, the inner end of the protrusion 11 is connected to the second spring 12, and the inner end of the second spring 12 is connected to the inside of the filter 10;

[0038] refer to Figure 2 , Figure 4 and Figure 7 , by pressing the filter 10, the filter 10 moves and drives the protrusion 11 to move, and the movement of the protrusion 11 will be squeezed with the second block 14, so that the protrusion 11 can extend into the interior of the filter 10, and the movement of the protrusion 11 will squeeze the second spring 12, so that the second spring 12 is compressed, and then the protrusion 11 will be separated from between the first block 13 and the second block 14, and then the protrusion 11 will move to the inner side of the second block 14, and then the second spring 12 will push the protrusion 11 to extend, so that the protrusion 11 will fit on the inner side of the second block 14, as the filter 10 moves outward, the filter 10 drives the protrusion 11 to move, and then the movement of the protrusion 11 will push the second The clamping block 14 enables the second clamping block 14 to move on the first clamping block 13, and then the outer side of the second clamping block 14 can fit with the inner side of the first clamping block 13. After the second clamping block 14 moves to the position, it will be fixed by the first clamping block 13, and then the filter 10 moves to drive the protrusion 11 to squeeze the second clamping block 14, so that the protrusion 11 shrinks to the inside of the filter 10 again, and then the protrusion 11 is separated from the fit of the second clamping block 14, and then the filter 10 moves to the outside of the receiving block 8, so that the protrusion 11 is separated from the engagement between the first clamping block 13 and the second clamping block 14, and then the filter 10 is separated from the receiving block 8, thereby achieving the purpose of convenient replacement;

[0039] Embodiment three:

[0040] The utility model solves the problem that the filter screen 10 in the second embodiment is inconvenient to take, and the filter screen 10 is pushed by the force of the third spring 15, so that the filter screen 10 is easy to take, and discloses:

[0041] The interior of the receiving block 8 is connected with a third spring 15, and the outer end of the third spring 15 is attached to the inner side of the filter screen 10;

[0042] refer to Figure 2 and Figure 4 The movement of the filter 10 will squeeze the third spring 15, so that the third spring 15 can be compressed, and then the force of the third spring 15 is used to push the filter 10 to move, so that the filter 10 can slide outward inside the accommodating block 8 through the force of the third spring 15, thereby avoiding the inconvenience caused by the need to pull the filter 10 by hand, and thus the portability of replacing the filter 10 is improved through the third spring 15.

[0043] Working principle: When using this protective PLC controller, first refer to Figures 1 to 6 , the motor 2 drives the blade 3 to rotate, and then the blade 3 rotates to transport the outside air to the inside of the controller body 1, and the outside air will be filtered through the filter 10, and the impurities in the air can be removed through the filter 10, and the output end of the motor 2 drives the bevel gear set 4 to rotate, so that the pulley set 6 rotates to drive the cam 7 to rotate, and then the cam 7 rotates to push the accommodating block 8 to slide inside the controller body 1, and the sliding of the accommodating block 8 will squeeze the first spring 9, and the filter 10 is moved by the movement of the accommodating block 8. When the cam 7 is free from squeezing the accommodating block 8, the first spring 9 pushes the accommodating block 8 to move, so that the accommodating block 8 can move in the opposite direction, so that the accommodating block 8 shakes and drives the filter 10 to shake, thereby avoiding the blockage of the filter 10, and then improving the protection;

[0044] refer to Figure 2 , Figure 4 and Figure 7 By pressing the filter 10, the filter 10 moves and drives the protrusion 11 to move, and the movement of the protrusion 11 will be squeezed with the second block 14, so that the protrusion 11 can extend into the interior of the filter 10, and then the protrusion 11 will be separated from between the first block 13 and the second block 14, and then the protrusion 11 will move to the inside of the second block 14, and as the filter 10 moves outward, the filter 10 drives the protrusion 11 to move, and then the movement of the protrusion 11 will push the second block 14, so that The second clamping block 14 is able to move on the first clamping block 13, and after the second clamping block 14 is moved to the position, it will be fixed by the first clamping block 13, so that the protrusion 11 is retracted to the inside of the filter 10 again, and then the protrusion 11 is separated from the fit to the second clamping block 14, and then the filter 10 is moved to the outside of the receiving block 8, so that the protrusion 11 is separated from the engagement between the first clamping block 13 and the second clamping block 14, and then the filter 10 is separated from the receiving block 8, thereby achieving the purpose of convenient replacement;

[0045] refer to Figure 2 and Figure 4 The movement of the filter 10 will squeeze the third spring 15, so that the third spring 15 can be compressed, and then the force of the third spring 15 is used to push the filter 10 to move, thereby avoiding the inconvenience caused by the need to pull the filter 10 by hand, and thus the portability of replacing the filter 10 is improved through the third spring 15.

[0046] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protective PLC controller, comprising a controller body (1), wherein a motor (2) is arranged inside the controller body (1); It is characterized in that Also includes: The output end of the motor (2) is key-connected with a blade (3), and the blade (3) rotates inside the controller body (1), and the output end of the motor (2) is connected to the inner end of a rotating rod (5) through a bevel gear set (4), the rotating rod (5) rotates inside the controller body (1), and the outer end of the rotating rod (5) is connected to a cam (7) through a pulley set (6), and the cam (7) rotates inside the controller body (1), the outer end of the cam (7) fits on the inner side of a receiving block (8), and the upper and lower ends of the receiving block (8) slide inside the controller body (1), and a first spring (9) is connected to the right side of the outer end of the receiving block (8), the outer end of the first spring (9) is connected to the inside of the controller body (1), and a filter screen (10) slides inside the receiving block (8).

2. A protective PLC controller according to claim 1, characterized in that: The diameter of the cam (7) is half the diameter of the opening inside the controller body (1), and the opening inside the controller body (1) is arranged in a circular shape.

3. A protective PLC controller according to claim 1, characterized in that: The outer end of the filter screen (10) is slidably connected to a protrusion (11), and the inner side of the outer end of the protrusion (11) is arranged in an arc shape.

4. A protective PLC controller according to claim 3, characterized in that: The outer end of the protrusion (11) extends between the first card block (13) and the second card block (14) to form a locking mechanism, and the inner end of the first card block (13) is fixed inside the controller body (1), and the second card block (14) slides inside the first card block (13).

5. A protective PLC controller according to claim 4, characterized in that: The first card block (13) is arranged in an "L" shape, and the inner side of the outer end of the first card block (13) is inclined at the same angle as the outer side of the second card block (14), and the inner end of the second card block (14) is arranged in a triangular shape.

6. A protective PLC controller according to claim 3, characterized in that: A third spring (15) is connected to the interior of the accommodating block (8), and the outer end of the third spring (15) is attached to the inner side of the filter screen (10).

7. A protective PLC controller according to claim 3, characterized in that: The inner end of the protrusion (11) is connected to a second spring (12), and the inner end of the second spring (12) is connected to the inside of the filter screen (10).

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