CN212660411U - IO module shell structure of distributed control system - Google Patents
IO module shell structure of distributed control system Download PDFInfo
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- CN212660411U CN212660411U CN202021440134.2U CN202021440134U CN212660411U CN 212660411 U CN212660411 U CN 212660411U CN 202021440134 U CN202021440134 U CN 202021440134U CN 212660411 U CN212660411 U CN 212660411U
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Abstract
The utility model provides a distributed control system IO module shell structure, include: the upper cover 10 is provided with a positioning column 11 and a through hole A12; the upper cover 10 is arranged above the shell 20, the shell 20 is of a hollow structure, a guide groove 21 is arranged on the inner wall of the shell 20 at the corresponding position of the positioning column 11 and the through hole A12, the positioning column 11 is inserted into the guide groove 21 corresponding to the positioning column, and a thread is tapped in a notch of the guide groove 21 corresponding to the through hole A12; and a screw 40, the screw 40 passing through the through hole a12 and being screwed into the notch of the guide groove 21 corresponding to the through hole a12 to fix the upper cover 10 to the housing 20. The utility model provides a among the prior art problem that housing structure installation process is loaded down with trivial details, the rejection rate is high.
Description
Technical Field
The utility model relates to a control system field, concretely relates to distributed control system IO module shell structure.
Background
And the IO module shell structure of the distributed control system is used for providing a space for accommodating the PCB and providing structural support for the whole module. The fixed mode of upper cover and casing adopts sticky in the shell structure at present, covers on and sets up the reference column, and the reference column inserts and fixes a position in the casing, then adopts to glue and bonds, and the technological process is loaded down with trivial details, and the rejection rate is high, and bonds insecurely. The mode that all adopts the screw to connect is disclosed in 201220105720.0's distributed control system IO module shell structure, all adopts the screw to connect, and the positioning process is more loaded down with trivial details, causes the installation effectiveness not high.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model aims to provide a distributed control system IO module shell structure to shell structure installation process is loaded down with trivial details, the high problem of rejection rate among the solution prior art.
To achieve the above object, an IO module housing structure of a distributed control system includes: the upper cover is provided with a positioning column and a through hole A; the positioning column is inserted into the corresponding guide groove, and a thread is tapped in a notch of the guide groove corresponding to the through hole A; and the screw penetrates through the through hole A and is screwed into the notch of the guide groove corresponding to the through hole A so as to fix the upper cover on the shell.
Furthermore, the positioning column and the through hole A are arranged at the four corners of the upper cover, and the positioning column and the through hole A are arranged diagonally.
Further, the IO module shell structure of the distributed control system further comprises a bottom plate, a bottom plate is arranged below the shell, a through hole B is formed in the corresponding position of the guide groove of the bottom plate, and a thread is tapped in a notch of the guide groove corresponding to the through hole B.
Furthermore, the two sides of the bottom plate are bent downwards, the bottom plate is provided with two connecting holes, and the connecting holes are arranged side by side.
Further, a contact layer is arranged on one surface, far away from the shell, of the bottom plate.
Furthermore, the side wall of the shell, which is provided with the guide grooves, is provided with grooves, the grooves are arranged on the outer side wall of the shell, and the grooves are positioned between the guide grooves.
Furthermore, the upper cover is provided with three status indicating lamp holes.
Furthermore, the upper cover is provided with digital quantity and analog quantity indicating lamp holes which are arranged in double rows.
Adopt the utility model provides a distributed control system IO module shell structure has following technological effect:
the positioning column is inserted into the corresponding guide groove, the positioning function is achieved, the screw penetrates through the through hole A, the screw is screwed into the notch of the guide groove corresponding to the through hole A, and the upper cover is fixed on the shell to achieve the fastening function. The positioning process in the installation is simplified through the positioning column, the screws are screwed into the notches of the guide grooves and are fastened and connected, the screws are relatively sticky, the fastening and connecting process is simplified, the whole process is simplified, and the rejection rate is correspondingly reduced.
Second, reference column and through-hole A set up in the four corners position of upper cover, and reference column and through-hole A set up for the opposite angle, and the opposite angle setting can improve the effect of location, prevents that the upper cover from rotating at the in-process of fastening, and the through-hole A that same opposite angle set up has also improved the fastening effect of screw, prevents that the upper cover from taking place the pivoted condition in the later stage use.
And thirdly, the grooves arranged between the guide grooves can effectively reduce the stress on the shell and prolong the service life of the shell.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a disassembled schematic view of FIG. 1;
FIG. 3 is a perspective view of the upper cover of FIG. 1;
FIG. 4 is a perspective view of the housing of FIG. 1;
FIG. 5 is a schematic front view of the base plate of FIG. 1;
FIG. 6 is a perspective view of the base plate of FIG. 1;
10. an upper cover; 11. a positioning column; 12. a through hole A; 13. a status indicator light hole; 14. digital quantity and analog quantity indicating lamp holes; 20. a housing; 21. a guide groove; 22. a groove; 30. a base plate; 31. a through hole B; 32. connecting holes; 33. a through hole C; 34. a contact layer A; 35. a contact layer B; 40. and (4) screws.
Detailed Description
To clearly illustrate the design concept of the present invention, the following description is made with reference to the examples.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are described below clearly and completely with reference to the drawings in the examples of the present invention, and it is obvious that the described examples are only a part of examples of the present invention, but not all examples. Based on the middle examples of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those 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. Furthermore, the terms "first" and "second" are used merely to distinguish similar items and are not to be construed as requiring a particular order or sequence, and it is to be understood that such uses are interchangeable under appropriate circumstances.
The utility model provides a distributed control system IO module shell structure to solve the problem that shell structure installation process is loaded down with trivial details, the rejection rate is high among the prior art.
As shown in fig. 1 to 6, the IO module housing structure of the distributed control system includes: the device comprises an upper cover 10, a shell 20 and screws 40, wherein the upper cover 10 is provided with a positioning column 11 and a through hole A12; an upper cover 10 is arranged above the shell 20, the shell 20 is of a hollow structure, a guide groove 21 is arranged on the inner wall of the shell 20 at the corresponding position of the positioning column 11 and the through hole A12, the positioning column 11 is inserted into the guide groove 21 corresponding to the positioning column, and a thread is tapped in the notch of the guide groove 21 corresponding to the through hole A12; the screw 40 passes through the through-hole a12 and is screwed into the notch of the guide groove 21 corresponding to the through-hole a12 to fix the upper cover 10 to the housing 20.
As shown in fig. 3, the positioning posts 11 and the through holes a12 are disposed at four corners of the upper cover 10, and the positioning posts 11 and the through holes a12 are disposed diagonally. In this embodiment, the housing 20 is rectangular, the number of the guide grooves 21 corresponds to the number of the positioning posts 11 and the number of the through holes a12, the number of the positioning posts 11 is two, and the number of the through holes a12 is also two.
The upper cover 10 is provided with a positioning column 11 and a through hole a12, the inner wall of the casing 20 is provided with a guide groove 21 at the corresponding position of the positioning column 11 and the through hole a12, the positioning column 11 is inserted into the guide groove 21 corresponding to the positioning column to play a positioning role, and the screw 40 passes through the through hole a12 and is screwed into the notch of the guide groove 21 corresponding to the through hole a12 to fix the upper cover 10 on the casing 20 to play a fastening role. The positioning process in the installation is simplified through the positioning column 11, the screw 40 is screwed into the notch of the guide groove 21 and is fastened and connected, the screw is relatively sticky, and the fastening and connecting process is simplified, so that the whole process is simplified, and the rejection rate is correspondingly reduced. In this embodiment, the specification of the screw 40 is M4.0 × 10, and after the installation is completed, the through hole a12 is covered by the mask, so that the integrity of the appearance is ensured, the production efficiency is improved, and the firm connection is ensured.
The positioning column 11 and the through hole a12 are arranged diagonally, which can improve the positioning effect and prevent the upper cover 10 from rotating in the fastening process, and the through hole a12 arranged diagonally also improves the fastening effect of the screw 40 and prevents the upper cover 10 from rotating in the later use process.
As shown in fig. 1 and 2, the upper cover 10 is provided with three status indicator lamp holes 13, and the number of the status indicator lamp holes 13 is three. The upper cover 10 is provided with digital quantity and analog quantity indicating lamp holes 14, and the digital quantity and analog quantity indicating lamp holes 14 are arranged in double rows. The upper cover adopts a streamline design, is made of flame-retardant ABS of UL94 brand, and meets the flame-retardant requirement of industrial control products.
As shown in fig. 1 and 2, the IO module housing structure of the distributed control system further includes a bottom plate 30, the bottom plate 30 is disposed below the housing 20, the bottom plate 30 is provided with a through hole B31 at a position corresponding to the guide groove 21, and a notch of the guide groove 21 corresponding to the through hole B31 is tapped. The two are fastened by screws, which pass through the through holes B31 and are screwed into the guide grooves 21, thereby fixing the bottom plate 30 to the housing 20.
As shown in fig. 5 and 6, both sides of the base plate 30 are bent downward, the base plate 30 is provided with two connection holes 32, and the connection holes 32 are arranged side by side. The bottom plate 30 is provided with a through hole C33, and the through hole C33 is used for being connected with a base of an IO module of the distributed control system.
As shown in fig. 4, the housing 20 has a groove 22 formed on a side wall where the guide grooves 21 are formed, the groove 22 is formed on an outer side wall of the housing 20, and the groove 22 is located between the guide grooves 21. The grooves 22 can effectively reduce stress on the housing 20 and prolong the service life of the housing 20. The shell 20 is formed by extruding sectional materials, is simple to process, ensures good mechanical performance and has a strong protection effect on a PCB (printed circuit board) arranged inside.
In this embodiment, the shell 20 is made of an aluminum profile, which has a good effect of shielding external interference. In the manufacturing process, an advanced section bar extrusion technology is adopted, the processing is simple, the raw materials are rich, the strength is high, the good mechanical property is ensured, the PCB arranged in the shell has a strong protection effect, and the structure of the shell 20 plays a role in starting and stopping.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.
Claims (8)
1. A distributed control system IO module housing structure, comprising:
the upper cover (10), the upper cover (10) is provided with a positioning column (11) and a through hole A (12);
the upper cover (10) is arranged above the shell (20), the shell (20) is of a hollow structure, a guide groove (21) is formed in the inner wall of the shell (20) at the position corresponding to the positioning column (11) and the through hole A (12), the positioning column (11) is inserted into the guide groove (21) corresponding to the positioning column, and a thread is tapped in a notch of the guide groove (21) corresponding to the through hole A (12);
and the screw (40) penetrates through the through hole A (12) and is screwed into a notch of the guide groove (21) corresponding to the through hole A (12) so as to fix the upper cover (10) on the shell (20).
2. The IO module housing structure of claim 1, wherein the positioning pillars (11) and the through holes a (12) are disposed at four corners of the upper cover (10), and the positioning pillars (11) and the through holes a (12) are disposed diagonally.
3. The distributed control system IO module housing structure according to claim 1, further comprising a bottom plate (30), wherein the bottom plate (30) is disposed below the housing (20), the bottom plate (30) is provided with a through hole B (31) at a position corresponding to the guide groove (21), and a notch of the guide groove (21) corresponding to the through hole B (31) is tapped with a thread.
4. The distributed control system IO module housing structure according to claim 3, wherein two sides of the bottom plate (30) are bent downward, the bottom plate (30) is provided with two connecting holes (32), and the connecting holes (32) are arranged side by side.
5. A decentralized control system IO module housing construction according to claim 4, characterized in that the side of the backplane (30) remote from the housing (20) is provided with a contact layer.
6. The distributed control system IO module housing structure according to claim 1, wherein the housing (20) has a groove (22) formed in a side wall where the guide grooves (21) are formed, the groove (22) is formed in an outer side wall of the housing (20), and the groove (22) is located between the guide grooves (21).
7. A decentralized control system IO module housing construction according to any of claims 1 to 6, characterized in that status indicator light holes (13) are provided on the upper cover (10), the number of status indicator light holes (13) being three.
8. The distributed control system IO module housing structure according to any one of claims 1 to 6, wherein the upper cover (10) is provided with digital quantity and analog quantity indicating lamp holes (14), and the digital quantity and analog quantity indicating lamp holes (14) are arranged in a double row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440134.2U CN212660411U (en) | 2020-07-21 | 2020-07-21 | IO module shell structure of distributed control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440134.2U CN212660411U (en) | 2020-07-21 | 2020-07-21 | IO module shell structure of distributed control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212660411U true CN212660411U (en) | 2021-03-05 |
Family
ID=74770705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021440134.2U Active CN212660411U (en) | 2020-07-21 | 2020-07-21 | IO module shell structure of distributed control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212660411U (en) |
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2020
- 2020-07-21 CN CN202021440134.2U patent/CN212660411U/en active Active
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