CN219876370U - PLC controller capable of independently replacing display module - Google Patents

Abstract

The utility model discloses a PLC controller capable of independently replacing a display module, which relates to the technical field of PLC controllers and comprises a PLC controller main body and a display module, wherein the display module can be disassembled and assembled at the front side wall mounting port of the PLC controller main body through a clamping mechanism; by utilizing the positioning mechanism, the protective cover can be fixed when being unfolded, and then the protective cover needs to be opened once when the PLC controller is not required to be operated every time, so that convenience is brought to the operation of staff.

Description

PLC controller capable of independently replacing display module

Technical Field

The utility model relates to the technical field of PLC controllers, in particular to a PLC controller with a display module capable of being replaced independently.

Background

The PLC controller, namely the programmable logic controller, is an electronic system operated by digital operation and is specially designed for application in industrial environment. It uses a kind of programmable memory for storing programs therein, executing logic operations, sequence control, timing, counting and arithmetic operations, etc. to the user's instructions, and controlling various types of machines or production processes by digital or analog input/output. Is a core part of industrial control. The PLC controller is mainly a programmable logic controller of a digital operation electronic system and is used for controlling the production process of the machine. Also known as the abbreviation of public limited, power line car, etc.

Currently, the PLC controller of the prior art has the following drawbacks: on the one hand, the display module is generally embedded in the PLC controller, and when the display module needs to be replaced, the shell of the PLC controller needs to be disassembled, so that the disassembly and assembly efficiency is extremely low, and on the other hand, when the display module is protected, the protection cover is generally hinged, but when the PLC controller is operated each time, the protection cover needs to be opened once, and the structure for positioning the protection cover is not provided, so that inconvenience is brought to the operation of staff.

Disclosure of Invention

The present utility model is directed to a PLC controller capable of replacing a display module individually, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but change display module's PLC controller alone, includes PLC controller main part and display module, the preceding lateral wall installing port department of PLC controller main part has display module through chucking mechanism dismantled and assembled, still is equipped with articulated protective cover on the preceding lateral wall of PLC controller main part, and the front side surface of protective cover is close to the position department of PLC controller main part bottom and is fixed with L shape handle, is connected with positioning mechanism between protective cover and the PLC controller main part.

Preferably, the positioning mechanism comprises an arc-shaped inner plate fixed at the top end of the protective cover, an arc-shaped outer plate is movably sleeved on the outer side of the arc-shaped inner plate, one end of the arc-shaped outer plate is fixed at the top end of the PLC controller main body, and the arc-shaped inner plate and the arc-shaped outer plate are arranged on the track of the overturn of the protective cover by taking the movement of a hinge point as a reference.

Preferably, a hand screw is screwed on one side wall of the arc-shaped outer plate, one end of the hand screw after locking is abutted against one side wall of the arc-shaped inner plate, and after the hand screw is locked, the arc-shaped inner plate is not moved in an inner arc-shaped cavity of the arc-shaped outer plate any more, so that locking and fixing of the protective cover are realized.

As the preference, chucking mechanism includes that the both ends of two connecting rod connecting rods about display module transverse axis symmetry all are fixed with the fixture block that the vertical cross-section is L shape or fall L shape, the fixture block all is close to the one end of display module and is equipped with the inclined plane, with two connecting rods back to back from the pulling mutually, and then make the slider all compress the spring, and make the inclined plane one end of fixture block break away from in the draw-in groove that corresponds, then conveniently take display module out from the front side installation mouth of PLC controller main part shell, thereby reach the purpose of conveniently changing display module, be equipped with circuit board on the rear side wall of display module, the inside electronic components of PLC controller main part is pegged graft on the socket on display module back circuit board through the plug that the signal line is connected, as shown in the figure 3.

Preferably, the top and bottom of the display module are respectively provided with a clamping groove matched with one end of the inclined surface of the clamping block, the other end of the clamping block is respectively connected in a sliding groove formed in the front side surface of the PLC controller body through a sliding block in a sliding manner, and the clamping block is respectively connected with the PLC controller body through a sliding structure.

Preferably, the sliding blocks are all sleeved on the outer side of the sliding rod fixed in the sliding groove in a sliding manner, springs sleeved on the outer side of the sliding rod are arranged between one ends of the sliding blocks, far away from the display module, and the inner wall of one side of the corresponding sliding groove, and the inclined surfaces of the clamping blocks are tightly clamped in the clamping grooves under the action of the springs, so that limiting clamping of the display module is achieved, and falling is avoided.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the PLC controller with the display module capable of being replaced independently, the display module can be clamped or disassembled on the PLC controller main body conveniently by utilizing the clamping mechanism, the shell of the PLC controller is not required to be disassembled, and the disassembly and assembly efficiency of the display module is greatly improved;

2. by utilizing the positioning mechanism, the protective cover can be fixed when being unfolded, and then the protective cover needs to be opened once when the PLC controller is not required to be operated every time, so that convenience is brought to the operation of staff.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view showing the bottom view of the various components of the clamping mechanism after the cover of the present utility model is unfolded;

fig. 3 is a schematic view showing a right side view and a cross-sectional development structure of a PLC controller body according to the present utility model.

In the figure: 1. a PLC controller main body; 2. a display module; 3. a protective cover; 31. an L-shaped handle; 4. a positioning mechanism; 401. an arc inner plate; 402. an arc-shaped outer plate; 403. screwing the screw by hand; 5. a clamping mechanism; 501. a connecting rod; 502. a clamping block; 503. a slide block; 504. a slide bar; 505. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a but change display module's PLC controller alone, includes PLC controller main part 1 and display module 2, still is equipped with articulated shield lid 3 on the preceding lateral wall of PLC controller main part 1, and the front side surface of shield lid 3 is close to the position department of PLC controller main part 1 bottom and is fixed with L shape handle 31, and L shape handle 31 conveniently opens shield lid 3, and shield lid 3 can be established to transparent structure, sets up shield lid 3's effect, avoids outside personnel to touch by mistake.

The utility model provides a be connected with positioning mechanism 4 between protective cover 3 and the PLC controller main part 1, positioning mechanism 4 is including fixing the arc inner panel 401 on protective cover 3 top, the outside movable sleeve of arc inner panel 401 is equipped with arc planking 402, the top at PLC controller main part 1 is fixed to the one end of arc planking 402, arc inner panel 401, arc planking 402 all are established with the orbit of protective cover 3 upset, use the motion of pin joint as the benchmark, screwed connection has hand screw 403 on one lateral wall of arc planking 402, the one end after the locking of hand screw 403 supports tightly on an arc inner panel 401 lateral wall, after the screw 403 locking is twisted to the hand, and then make arc inner panel 401 no longer move in the inside arc intracavity of arc planking 402, and then realize the locking of protective cover 3 and fix.

The front side wall mounting mouth department of PLC controller main part 1 has display module 2 through chucking mechanism 5 dismantled and assembled, chucking mechanism 5 includes two connecting rods 501 about display module 2 horizontal axis symmetry, the both ends of connecting rod 501 all are fixed with the fixture block 502 that the vertical cross-section is L shape or fall L shape, the one end that fixture block 502 all is close to display module 2 is equipped with the inclined plane, pull two connecting rods 501 away from each other, and then make slider 503 all compress spring 505, and make the inclined plane one end of fixture block 502 all break away from in the draw-in groove that corresponds, then conveniently take display module 2 out from the front side mounting mouth of PLC controller main part 1 shell, thereby reach the purpose of conveniently changing display module 2, be equipped with the circuit motherboard on the back lateral wall of display module 2, the inside electronic components of PLC controller main part 1 is pegged graft on display module 2 back circuit motherboard through the plug that the signal line is connected, as shown in the figure 3, the top and the bottom of display module 2 all are equipped with the draw-in groove with fixture block 502 inclined plane one end matched with, the other end of fixture block 502 all through slider 503 sliding connection in the spout that slider 503 is arranged on PLC controller main part 1 front side surface, and make slider 1 side surface all break away from in the spout 504 that the corresponding slider 503 sliding sleeve, make the side of slider 502 is equipped with the side of slider 503, make the side of slider 2 be kept away from the inside the slider 504 in the side of slider groove, the side of slider is realized in the slider groove is opposite to the slider 503, the side of slider is opposite to the slider, the slider is equipped with the inside the slider, and the slider is equipped with in the side of the slider.

According to the scheme, when the PLC controller capable of independently replacing the display module is used, when the PLC controller main body 1 is required to be operated, the protective cover 3 is unfolded through the L-shaped lifting handle 31, and the arc inner plate 401 moves in the arc cavity in the arc outer plate 402 at the moment, when a vertical ninety-degree angle is formed between the protective cover 3 and the PLC controller main body 1, the positioning of the protective cover 3 can be conveniently realized through locking the hand screw 403, and then the protective cover needs to be opened once when the PLC controller is not required to be operated each time, so that convenience is brought to the operation of staff, secondly, when the display module 2 needs to be replaced, the two connecting rods 501 are pulled to move away from each other, and the clamping blocks 502 with two ends connected are enabled to move away from each other, so that the sliding blocks 503 compress the springs 505, and one ends of inclined planes of the clamping blocks 502 are separated from the corresponding clamping grooves, and then the display module 2 is conveniently pulled out from the front side mounting port of the outer shell of the PLC controller main body 1, so that the purpose of conveniently replacing the display module 2 is achieved, and the convenience in use is achieved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a but PLC controller of single change display module, includes PLC controller main part (1) and display module (2), its characterized in that: the front side wall mounting opening of the PLC controller main body (1) is detachably provided with a display module (2) through a clamping mechanism (5), the front side wall of the PLC controller main body (1) is further provided with a hinged protective cover (3), the front side surface of the protective cover (3) is close to the position of the bottom of the PLC controller main body (1) and is fixedly provided with an L-shaped lifting handle (31), and a positioning mechanism (4) is connected between the protective cover (3) and the PLC controller main body (1).

2. The PLC controller of claim 1, wherein the display module is individually replaceable: the positioning mechanism (4) comprises an arc-shaped inner plate (401) fixed at the top end of the protective cover (3), an arc-shaped outer plate (402) is movably sleeved on the outer side of the arc-shaped inner plate (401), and one end of the arc-shaped outer plate (402) is fixed at the top end of the PLC controller main body (1).

3. The PLC controller of claim 2, wherein the display module is individually replaceable: one side wall of the arc-shaped outer plate (402) is spirally connected with a hand-screwed screw (403), and one end of the hand-screwed screw (403) locked is abutted against one side wall of the arc-shaped inner plate (401).

4. The PLC controller of claim 1, wherein the display module is individually replaceable: the clamping mechanism (5) comprises two connecting rods (501) symmetrical with respect to the transverse axis of the display module (2), clamping blocks (502) with L-shaped or inverted L-shaped vertical sections are fixed at two ends of the connecting rods (501), and inclined surfaces are arranged at one ends of the clamping blocks (502) close to the display module (2).

5. The PLC controller of claim 4, wherein the display module is individually replaceable: the top and the bottom of display module (2) all are equipped with the draw-in groove with fixture block (502) inclined plane one end matched with, and the other end of fixture block (502) is all through slider (503) sliding connection in the spout that PLC controller main part (1) front side surface was established.

6. The PLC controller of claim 5, wherein the display module is individually replaceable, wherein: the sliding blocks (503) are all sleeved on the outer sides of sliding rods (504) fixed in the sliding grooves in a sliding mode, and springs (505) sleeved on the outer sides of the sliding rods (504) are arranged between one ends, away from the display modules (2), of the sliding blocks (503) and the inner walls of one sides of the corresponding sliding grooves.