CN113286480B

CN113286480B - Fixing device and electrical equipment of machine case

Info

Publication number: CN113286480B
Application number: CN202110566873.9A
Authority: CN
Inventors: 刘永亮; 陈卫; 史英斌; 刘兆峰; 刘春明; 张弋
Original assignee: China Techenergy Co Ltd
Current assignee: China Techenergy Co Ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-09-20
Anticipated expiration: 2041-05-24
Also published as: CN113286480A

Abstract

The invention discloses a fixing device of a case and electrical equipment. In the fixing device of quick-witted case that this application provided, through setting up the installed part at quick-witted case back dog-ear position, when the installation, quick-witted case openly is installed on the stand through the fastener, then with quick-witted case fixed part and quick-witted case position installation, install the fixed plate position as required at the stand relevant position after that, it is spacing to realize the quick-witted case position at the back, because quick-witted case fixed part at first with quick-witted case installation, install on the stand of back according to concrete position again, reduce quick-witted case fixed part and quick-witted case clearance, and then reduce the vibration of quick-witted case, improve the installation stability of quick-witted case.

Description

Fixing device and electrical equipment of machine case

Technical Field

The invention relates to the technical field of connecting devices, in particular to a fixing device for a case. The invention also relates to electrical equipment comprising the fixing device of the case.

Background

The electrical equipment is widely applied to various industries, and the related electrical equipment is required to meet the requirements of impact resistance and vibration resistance on part of the existing application platforms of the chassis so as to adapt to the environmental requirements.

As shown in fig. 1, the mounting member 01 is fixed by placing the chassis on the expected mounting position of the upright, attaching the mounting surfaces at both sides of the chassis to the upright, and fixing the chassis to the upright by using screws from the front of the chassis. The mounting part 01 is fixed on the machine cabinet, and the rear part of the machine cabinet is connected with the mounting part 01 by a fastener 02.

Usually, the number of the connecting parts of the mounting part 01 is large, so that a gap between the chassis and the bracket is easily formed during mounting, and the chassis is stressed and deformed during mounting. In a wider cabinet, the bracket arm of the mounting part 01 is longer, and the cabinet can swing in transient vibration excitation vibration, so that the mounting stability of the cabinet is poor.

Therefore, how to improve the installation stability of the chassis is a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide a fixing device of a case, which is used for improving the installation stability of the case. Another object of the present invention is to provide an electrical apparatus comprising a fixing device of the above-mentioned cabinet.

In order to achieve the above object, the present invention provides a fixing device for a chassis, including a plurality of mounting members mounted at the back corner of the chassis, where the mounting members include fixing plates for mounting with a pillar and chassis fixing portions for limiting the chassis, and the fixing plates are fixedly connected with the chassis fixing portions.

Preferably, the casing fixing portion includes a side wall mounting surface abutting against the casing side portion and an end mounting surface abutting against the upper end surface or the lower end surface of the casing.

Preferably, the chassis fixing part is of an L-shaped structure, and the edge of the end mounting surface is connected with the edge of the side wall mounting surface.

Preferably, the case fixing portion includes a transverse plate and a vertical plate for being attached to a side surface of the case, an upper end surface of the transverse plate is used for being abutted to a bottom surface of the upper case, and a lower end surface of the transverse plate is used for being abutted to a top surface of the adjacent lower case.

Preferably, the two vertical plates are respectively positioned at the upper side and the lower side of the transverse plate.

Preferably, the mounting surface of the fixing plate, which is attached to the upright post, is perpendicular to the mounting surface of the case fixing portion, which is attached to the case.

Preferably, the installation parts are located on two opposite sides of the chassis, and the installation parts located on the same horizontal position are arranged in a mirror symmetry mode by taking the central plane of the chassis as a center.

Preferably, the case fixing portion includes a case mounting plate and a plug fixedly connected to the case mounting plate, and the case is provided with a plug hole matched with the plug.

Preferably, the fixed plate is provided with at least two mounting holes used for being matched with the stand column from top to bottom.

An electrical apparatus, comprising a chassis and a fixing device for installing the chassis, wherein the fixing device is any one of the fixing devices.

In the above technical solution, the fixing device of the chassis provided by the invention includes a plurality of mounting pieces mounted at the back corner positions of the chassis, each mounting piece includes a fixing plate for mounting with the upright column and a chassis fixing part for limiting the chassis, and the fixing plate is fixedly connected with the chassis fixing part.

It can be known through the above description, in the fixing device of quick-witted case that this application provided, through setting up the installed part in quick-witted case back dog-ear position, when the installation, the quick-witted case openly passes through the fastener and installs on the stand, then with quick-witted case fixed part and quick-witted case position installation, install the fixed plate position as required at stand relevant position after that, it is spacing to realize the quick-witted case position at the back, because quick-witted case fixed part at first with quick-witted case installation, install on the stand of back according to concrete position again, reduce quick-witted case fixed part and quick-witted case clearance, and then reduce the vibration of quick-witted case, improve the installation stability of quick-witted case.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a view showing an installation position of a conventional cabinet;

fig. 2 is a schematic structural diagram of a first fixing device according to an embodiment of the present invention;

FIG. 3 is a front view of a housing incorporating the fastening device of FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic view of the mounting position of the enclosure shown in FIG. 3 along the direction A-A;

FIG. 5 is a rear view of the enclosure of FIG. 3 in an installed position;

FIG. 6 is a schematic structural diagram of a second fixing device according to an embodiment of the present invention;

FIG. 7 is a front view of a housing incorporating the fastening device of FIG. 6 according to an embodiment of the present invention;

FIG. 8 is a schematic view of the enclosure of FIG. 7 shown in a mounted position along direction B-B;

FIG. 9 is a rear view of the enclosure of FIG. 7 in an installed position;

FIG. 10 is a side view of a case employing a third fastening device according to an embodiment of the present invention;

fig. 11 is a rear view of the installed position of the enclosure of fig. 10.

Wherein in FIGS. 1-11:

01. a mounting member; 02. a fastener;

1. a chassis; 1-1, bolt holes; 2. a first fastener; 3. a mounting member; 3-1, fixing a plate; 3-2, mounting holes; 3-3, side wall mounting surface; 3-3-1, an upper side wall mounting surface; 3-3-2, lower side wall mounting surface; 3-4, end mounting surface; 3-4-1, an upper end mounting surface; 3-4-2, lower end mounting surface; 3-5, mounting a case; 3-6, a bolt; 4. a second fastener; 5. and a rear upright post.

Detailed Description

The core of the invention is to provide a fixing device of a case so as to improve the installation stability of the case. Another core of the present invention is to provide an electrical apparatus including the fixing device of the above-mentioned housing.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 2 to fig. 11.

In a specific embodiment, the fixing device of the chassis provided in the embodiment of the present invention includes a plurality of mounting members 3 mounted at the back corner positions of the chassis 1, each mounting member 3 includes a fixing plate 3-1 for mounting to the pillar and a chassis fixing portion for limiting the chassis 1, and the fixing plate 3-1 is fixedly connected to the chassis fixing portion. The case 1 may be a box structure of a power device or other tool.

Through set up installed part 3 at machine case 1 back dog-ear position, when installation, machine case 1 openly is installed on the front column through first fastener 2, then with machine case fixed part and machine case 1 position installation, install the corresponding position of rear column 5 with fixed plate 3-1 position as required after that, realize spacing to machine case 1 back position.

Specifically, a plurality of installed parts 3 are located in opposite sides of the case 1, and preferably, the installed parts 3 located at the same horizontal position are symmetrically arranged with respect to the central plane of the case 1, that is, the installed parts 3 located at the top bevel positions are symmetrically arranged, and the installed parts 3 located at the bottom bevel positions are symmetrically arranged.

As can be seen from the above description, in the fixing device for a chassis provided in the embodiment of the present application, since the chassis fixing portion is first installed on the chassis 1 and then installed on the upright according to a specific position, a gap between the chassis fixing portion and the chassis 1 is reduced, so as to reduce vibration of the chassis 1 and improve installation stability of the chassis 1.

In one embodiment, the case fixing portion includes a side wall mounting surface 3-3 abutting against a side portion of the case 1 and an end mounting surface 3-4 abutting against an upper end surface or a lower end surface of the case. Specifically, the sidewall mounting surfaces 3-3 and the end mounting surfaces 3-4 are both planar structures. Specifically, the front surface of the chassis 1 is provided with the chassis 1 on the front upright post by using screws. After the case 1 is fixed on the front side, the mounting pieces 3 are adopted to be mounted on the rear upright posts 5, the mounting pieces 3 are adjusted to keep the side wall mounting surfaces 3-3 and the end mounting surfaces 3-4 of the mounting pieces 3 to be tightly attached to the upper side or the lower side and the side of the case 1, and the mounting pieces 3 are fixed by screwing the second fastening pieces 4.

The invention is not affected by processing and installation tolerance, when the case 1 is fixed, the installation part 3 is tightly attached to the upper, lower and side surfaces of the case 1 without clearance, and the collision under the working condition is eliminated.

Meanwhile, since the mounting member 3 is installed behind the cabinet 1, other space is not occupied, and the layout of the equipment is not affected thereby. The mounting part 3 is arranged behind the case 1, and basically has no moment arm, so that the case 1 cannot swing in transient vibration excitation vibration.

In one embodiment, as shown in fig. 2, the cabinet mounting portion is an L-shaped structure with the edge of the end mounting surface 3-4 engaging the edge of the side wall mounting surface 3-3. Specifically, the mounting member 3 at the top end of the housing 1 abuts against the top wall and the side wall of the housing 1. The mounting member 3 at the bottom end of the cabinet 1 abuts against the bottom wall and the side wall of the cabinet 1.

When the cabinets 1 are stacked in the vertical direction, the adjacent cabinets 1 may share the mount 3. As shown in fig. 6, specifically, the case fixing portion includes a horizontal plate and a vertical plate for being attached to a side surface of the case 1, an upper end surface of the horizontal plate is used for being abutted to a bottom surface of the upper case 1, and a lower end surface of the horizontal plate is used for being abutted to a top surface of the adjacent lower case 1. Specifically, the upper surface of the transverse plate is an upper side wall mounting surface 3-3-1 of the side wall mounting surface 3-3, and the lower surface of the transverse plate is a lower side wall mounting surface 3-3-2 of the side wall mounting surface 3-3.

Specifically, the side walls of the vertical plates above the horizontal plates form the upper end mounting surfaces 3-4-1 of the end mounting surfaces 3-4, and the side walls of the vertical plates below the horizontal plates form the lower end mounting surfaces 3-4-2 of the end mounting surfaces 3-4.

When the multi-layer chassis 1 is installed in an overlapping manner, the rear part of the chassis 1 is fixed by the installation piece 3. The front mounting of the cabinet 1 is identical to that described above. When the rear surface of the machine case 1 is fixed, the mounting piece 3 is firstly installed between the two machine cases 1, and then the adjacent surfaces of the upper machine case 1 and the lower machine case 1 are fixed by the transverse plates. When the installation is carried out, the installation piece 3 is adjusted, the installation piece 3 is kept to be tightly attached to the upper, lower and side surfaces of the case 1, and the installation piece 3 is fixed by screwing.

Specifically, vertical board is two and is located both sides about the horizontal board respectively, and is specific, two vertical boards and the equal fixed connection of horizontal board.

In order to shorten the assembly time, the chassis fixing portion is preferably formed integrally, and more preferably, the mounting member 3 is formed integrally. Specifically, the integrative turn-ups shaping of installed part 3, specifically, one of them vertical board and horizontal board are kept apart the setting, and the distance between the two is horizontal board horizontal distance, and the horizontal board is formed by the vertical board turn-ups promptly. Specifically, preferably, whole installed part 3 is integrated into one piece sheet metal construction.

In one embodiment, in order to mount the cabinet 1, it is preferable that the mounting surface of the fixing plate 3-1 to be attached to the pillar and the mounting surface of the cabinet fixing portion to be attached to the cabinet 1 are provided perpendicularly.

As shown in fig. 10 and 11, in another embodiment, the case fixing portion includes a case mounting plate 3-5 and a plug 3-6 fixedly connected to the case mounting plate 3-5, and the case 1 is provided with a plug hole 1-1 matched with the plug 3-6, specifically, the plug hole 1-1 may be a through hole or a blind hole structure, and when the plug hole 1-1 is a blind hole, it is similar to a slot structure. During specific assembly, the position of the case 1 is limited by the way that the pins 3-6 are inserted into the matched pin holes 1-1 on the case 1 and the matched pin holes 1-1 on the upper, lower or side surfaces.

On the basis of the above schemes, preferably, the fixing plate 3-1 is provided with at least two mounting holes 3-2 for matching with the upright column from top to bottom. Because the rear upright post 5 is provided with a plurality of hole body structures matched with the mounting holes 3-2 from top to bottom and a plurality of mounting holes 3-2, the mounting stability of the mounting piece 3 is improved, and the mounting piece 3 is mounted at the hole body structure position of the rear upright post 5 with the corresponding height as required.

The application provides an electrical equipment, including quick-witted case 1 and the fixing device who is used for installing quick-witted case 1, wherein the fixing device is any kind of fixing device above-mentioned. The foregoing describes a specific structure of the fixing device, and the application includes the fixing device, which also has the technical effects described above. Specifically, the electrical equipment is used for a floating DCS control system.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The fixing device for the case is characterized by comprising a plurality of mounting pieces (3) mounted at the back bevel positions of the case (1), wherein the mounting pieces (3) comprise fixing plates (3-1) used for being mounted with stand columns and case fixing parts used for limiting the case (1), the fixing plates (3-1) are fixedly connected with the case fixing parts, the case fixing parts comprise transverse plates and vertical plates used for being attached to the side faces of the case (1), the upper end faces of the transverse plates are used for being abutted to the bottom faces of the case (1) at the upper parts, the lower end faces of the transverse plates are used for being abutted to the top faces of the case (1) at the adjacent lower parts, and the vertical plates are located on the upper sides and the lower sides of the transverse plates respectively.

2. The fixing device of the cabinet according to claim 1, wherein the mounting surface of the fixing plate (3-1) attached to the pillar is perpendicular to the mounting surface of the cabinet fixing portion attached to the cabinet (1).

3. The cabinet fixing device according to claim 1, wherein a plurality of the mounting members (3) are located at opposite sides of the cabinet (1), and the mounting members (3) located at the same horizontal position are arranged in mirror symmetry with respect to a center plane of the cabinet (1).

4. The fixing device of the cabinet according to claim 1, wherein the cabinet fixing portion comprises a cabinet mounting plate (3-5) and a pin (3-6) fixedly connected to the cabinet mounting plate (3-5), and the cabinet (1) is provided with a pin hole (1-1) matched with the pin (3-6).

5. A fixing device for a cabinet according to any one of claims 1-4, characterized in that the fixing plate (3-1) is provided with at least two mounting holes (3-2) for matching with the posts from top to bottom.

6. An electrical apparatus comprising a housing (1) and a fixture for mounting the housing (1), characterized in that the fixture is a fixture according to any one of claims 1-5.