CN219287914U

CN219287914U - Easy-to-install programmable logic controller

Info

Publication number: CN219287914U
Application number: CN202223591806.1U
Authority: CN
Inventors: 马浩
Original assignee: Nanjing Rievtech Electronic Co ltd
Current assignee: Nanjing Rievtech Electronic Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-30
Anticipated expiration: 2032-12-30

Abstract

The application discloses easy installation formula programmable logic controller, it belongs to the programmable logic controller field, includes: a housing; the shell is provided with a clamping assembly for fixing the shell on the external mounting frame; the clamping assembly comprises a mounting plate, a first clamping piece and a second clamping piece; the first clamping piece is arranged on the mounting plate; the second clamping piece is in sliding connection with the first clamping piece and is matched with the first clamping piece to clamp and fix the shell on the external installation frame with different sizes. The beneficial effects of this application lie in providing an easy installation formula programmable logic controller who installs and dismantle with the convenience.

Description

Easy-to-install programmable logic controller

Technical Field

The present application relates to the field of programmable logic controllers, and in particular, to an easy-to-install programmable logic controller.

Background

A Programmable Logic Controller (PLC) is a process control device commonly used in an automation device, on which a plurality of connection terminals are generally linearly arranged, for connecting a signal line for control to the PLC, and locking the signal line on the connection terminals by using various electric tools, such as a screwdriver, so that signals are transmitted between the PLC and the electric device through the connection terminals and the signal line, and the locking manner of the signal line is generally clamped and compressed by using screws and the connection terminals.

The current PLC controller needs the user to install it by oneself after leaving the factory, but the installation to the PLC controller is mostly fixed to it through the screw at present for the operation is more troublesome when installing it, and the screw rust easily, leads to follow-up needs to dismantle the PLC controller when just very loaded down with trivial details.

Disclosure of Invention

The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

To solve the technical problems mentioned in the background section above, some embodiments of the present application provide an easy-to-install programmable logic controller, including: a housing; the shell is provided with a clamping assembly for fixing the shell on the external mounting frame; the clamping assembly comprises a mounting plate, a first clamping piece and a second clamping piece; the first clamping piece is arranged on the mounting plate; the second clamping piece is in sliding connection with the first clamping piece and is matched with the first clamping piece to clamp and fix the shell on the external installation frame with different sizes.

When the easy-to-install programmable logic controller is installed on the installation frame, the first clamping piece is buckled on the installation frame, and the first connecting part is abutted with the first extending part; pulling second clamping piece until the second clamping part of second clamping piece and the second extension butt of mounting bracket, the second clamping piece has upward movement's trend under the effect of spring elasticity to on fixed external mounting bracket of casing with first clamping piece cooperation, make the easy installation type programmable logic controller of this application have the characteristics of being convenient for install and dismantle, and can make the casing cooperation fix on the not unidimensional mounting bracket through adjusting the distance of second clamping piece and first clamping piece.

Further, a chute is formed on the mounting plate; the second clamping piece is arranged in the chute in a sliding way.

Further, a spring and a sliding block are arranged in the sliding groove; one end of the spring is connected with the chute, and the other end of the spring is connected with the connecting sliding block; one end of the sliding block, which is far away from the spring, is connected with the second clamping piece.

Further, at least two surfaces of the sliding block are attached to the inner wall of the sliding groove.

Further, the inner wall of the chute is provided with a bulge, and the sliding block is provided with a groove corresponding to the bulge.

Further, when one end of the projection abuts one end of the recess, the spring is within its elastic limit.

Further, one end of the sliding block, which is positioned outside the sliding groove, is provided with a handle.

Further, the first clamping piece is provided with a first connecting part and a first clamping part, and a first limiting groove with a downward opening is formed between the first connecting part and the first clamping part; the second clamping piece is provided with a second connecting part and a second clamping part, and a second limiting groove with an upward opening is formed between the second connecting part and the second clamping part.

Further, the first clamping piece and the second clamping piece are made of elastic plastic materials.

Further, the surfaces of the first clamping piece and the second clamping piece are provided with anti-skid patterns.

The beneficial effects of this application lie in: the easy-to-install programmable logic controller is convenient to install and detach.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

FIG. 1 is an overall schematic diagram according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a portion of an embodiment, mainly illustrating the structure of a clamping assembly or the like;

FIG. 3 is an exploded view of the clamping assembly of the embodiment;

FIG. 4 is a schematic structural view of a part of the embodiment, mainly showing the structure such as a chute (enlarged view at A);

FIG. 5 is a schematic view of a portion of an embodiment, mainly showing the structure of a slider or the like;

FIG. 6 is a schematic structural view of a part of the embodiment, mainly showing the structure of a spring or the like (enlarged view at B);

fig. 7 is a schematic diagram showing the cooperation of the clamping assembly and the mounting frame in the embodiment.

Reference numerals:

101. a housing;

102. a terminal block;

103. a mounting plate; 103a, a chute; 1031. a protrusion;

104. a first clamping member; 104a, a first limit groove; 1041. a first clamping part; 1042. a first connection portion;

105. a second clamping member; 105a, a second limit groove; 1051. a first and second clamping part; 1052. a second connecting portion;

106. a slide block; 106a, grooves;

107. a handle;

108. a spring;

201. a mounting frame; 2011. a first clamping part; 2012. and the second clamping part.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-7, an easy-to-install programmable logic controller includes a housing 101 having a terminal block 102 for installing a wire, and a housing clamping assembly disposed on a side of the housing 101 facing away from the terminal block 102 for fixing the housing 101 to an external mounting frame 201. The clamping assembly comprises a mounting plate 103, a first clamping member 104 and a second clamping member 105, wherein the first clamping member 104 is provided with a first connecting portion 1042 and a first clamping portion 1041, and the first connecting portion 1042 is arranged at the upper end of the mounting plate 103. A sliding groove 103a is formed at the bottom of the mounting plate 103, and the second clamping member 105 can move up and down relative to the sliding groove 103 a. Specifically, a spring 108 and a slider 106 are arranged in the chute 103 a; one end of the spring 108 is connected with the chute 103a, and the other end is connected with the connecting slide block 106; the end of the slider 106 remote from the spring 108 is connected to the second clamping member 105.

The cross section of the external installation frame in the embodiment is in a C shape, the installation frame is provided with a first extension part and a second extension part, and the first extension part and the second extension part are parallel to each other. When the shell 101 is required to be mounted on the mounting frame, the first clamping piece is firstly buckled on the mounting frame, and the first connecting part is abutted with the first extending part; and the second clamping piece is pulled until the second clamping part of the second clamping piece is abutted against the second extension part of the mounting frame, and the second clamping piece has a trend of moving upwards under the action of spring force, so that the second clamping piece is matched with the first clamping piece to fix the shell 101 on the external mounting frame, and the shell 101 can be matched and fixed on the mounting frames with different sizes by adjusting the distance between the second clamping piece and the first clamping piece.

Through above scheme, the problem of inconvenient installation and dismantlement when using fixed mode such as screw to fix casing 101 on the mounting bracket has been solved.

In a further scheme, in order to solve the possible unstable problem of fixing the housing 101 to the mounting frame 201 in the above scheme, a plurality of protrusions 1031 are provided on the inner wall of the sliding groove 103a, a plurality of grooves 106a corresponding to the protrusions 1031 one by one are provided on the sliding block 106, and when the sliding block 106 slides relative to the sliding groove 103a, the protrusions 1031 are attached to the grooves 106 a. In addition, at least one surface of the sliding block 106 is attached to the inner wall of the sliding groove 103a, so that the sliding block 106 can only move up and down along the sliding groove 103 a.

In a further scheme, when the slider 106 is pulled downward, when one end of the protrusion 1031 on the inner wall of the chute 103a abuts against one end of the groove 106a of the slider 106, the spring 108 is in a stretched state and is within the elastic limit thereof, and at this time, the protrusion 1031 and the groove 106a abut against each other, so that the slider 106 cannot be pulled downward continuously, thereby protecting the spring 108 and avoiding the spring 108 from losing the elastic force.

In a further scheme, a handle 107 is arranged at one end of the sliding block 106, which is positioned outside the sliding groove 103a, so that a user can conveniently adjust the distance between the first clamping piece 104 and the second clamping piece 105 through the handle 107; when the second clamping members 105, the sliders 106, and the like are provided in plural sets, the pull handle 107 is connected to the plurality of sliders 106 so that the relative distances of the plurality of second clamping members 105 and the first clamping member 104 can be adjusted simultaneously.

In a further aspect, the first clamping member 104 has a first connecting portion 1042 and a first clamping portion 1041, and a first limiting groove 104a with a downward opening is formed between the first connecting portion 1042 and the first clamping portion 1041; the second clamp 105 has a second connecting portion 1052 and a second clamp portion 1051, and a second limit groove 105a having an upward opening is formed between the second connecting portion 1052 and the second clamp portion 1051. The first clamping member 104 and the second clamping member 105 are made of elastic plastic materials. In some embodiments, the adapted mounting frame 201 has a first clamping portion 2011 and a second clamping portion 2012, after being mounted, the first clamping portion 2011 of the mounting frame 201 is abutted against the first limiting groove 104a, the first clamping portion 1041 has a tendency to rebound toward the first connecting portion 1042, the second clamping portion 2012 of the mounting frame 201 is abutted against the second limiting groove 105a, and the second clamping portion 1051 has a tendency to rebound toward the second connecting portion 1052, so that the mounting of the housing 101 on the mounting frame 201 is firmer.

In a further scheme, the portions of the first clamping member 104 and the second clamping member 105, which are respectively abutted against the mounting frame 201, are provided with anti-skidding patterns (not shown in the figure), the anti-skidding patterns are composed of a plurality of tiny raised strips arranged along the length direction of the mounting frame 201, the abutted portions can also be provided with anti-skidding pads made of rubber materials, friction between the anti-skidding pads and the mounting frame 201 is increased, and the stability of mounting is improved.

The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the utility model in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the utility model. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims

1. An easy-to-install programmable logic controller, comprising:

a housing;

the method is characterized in that:

the shell is provided with a clamping assembly which is used for fixing the shell on an external mounting frame;

the clamping assembly comprises a mounting plate, a first clamping piece and a second clamping piece; the first clamping piece is arranged on the mounting plate; the second clamping piece is in sliding connection with the first clamping piece, and is matched with the first clamping piece to clamp and fix the shell on external installation racks with different sizes.

2. The easy-to-install programmable logic controller of claim 1, wherein: a chute is formed on the mounting plate; the second clamping piece is arranged in the sliding groove in a sliding mode.

3. The easy-to-install programmable logic controller of claim 2, wherein: a spring and a sliding block are arranged in the sliding groove; one end of the spring is connected with the sliding groove, and the other end of the spring is connected with the sliding block; one end of the sliding block, which is far away from the spring, is connected with the second clamping piece.

4. The easy-to-install programmable logic controller of claim 3, wherein: at least two surfaces of the sliding block are attached to the inner wall of the sliding groove.

5. The easy-to-install programmable logic controller of claim 4, wherein: the sliding block is provided with a groove corresponding to the protrusion.

6. The easy-to-install programmable logic controller of claim 5, wherein: when one end of the protrusion abuts one end of the groove, the spring is within its elastic limit.

7. The easy-to-install programmable logic controller of claim 3, wherein: one end of the sliding block, which is positioned outside the sliding groove, is provided with a handle.

8. The easy-to-install programmable logic controller of claim 1, wherein: the first clamping piece is provided with a first connecting part and a first clamping part, and a first limiting groove with a downward opening is formed between the first connecting part and the first clamping part; the second clamping piece is provided with a second connecting part and a second clamping part, and a second limiting groove with an upward opening is formed between the second connecting part and the second clamping part.

9. The easy-to-install programmable logic controller of claim 8, wherein: the first clamping piece and the second clamping piece are made of elastic plastic materials.

10. The easy-to-install programmable logic controller of any one of claims 1-9, wherein: the surfaces of the first clamping piece and the second clamping piece are provided with anti-skid patterns.