CN216082886U

CN216082886U - Shell for three-phase power meter

Info

Publication number: CN216082886U
Application number: CN202122378030.4U
Authority: CN
Inventors: 方晓娟
Original assignee: Shanghai Yutest Electronic Technology Co ltd
Current assignee: Shanghai Yutest Electronic Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-18
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the technical field of three-phase power instruments and discloses a shell for a three-phase power instrument. This shell for three-phase power instrument, casing surface's that will install installation piece and slider inject the spout in, then promote the casing, drive slider and installation piece and remove along the inner wall of slide rail, it moves backward to drive the connecting block, and then drive the baffle and move backward, expose the mounting hole, the mounting hole at installation piece top pushes away to the position alignment with the mounting hole at mounting bracket top, then in advancing the mounting hole with the bolt-up, can be in the same place installation piece and mounting bracket connected, be about to the inside at the mounting bracket of casing installation, the installation of the casing of being convenient for, the baffle is used for sheltering from the effect of mounting hole when not installing, can avoid the dust to pass through inside the mounting hole gets into the mounting bracket.

Description

Shell for three-phase power meter

Technical Field

The utility model relates to the technical field of three-phase power instruments, in particular to a shell for a three-phase power instrument.

Background

The three-phase power instrument is a power instrument with real-time measurement, energy accumulation, power quality analysis and multiple output functions, the three-phase multifunctional power instrument mainly measures three-phase current, the three-phase multifunctional power instrument is a multifunctional intelligent instrument with programmable measurement, display, digital communication and power pulse transmission output and the like, electric quantity measurement, electric energy measurement, data display, data acquisition and data transmission can be completed, the three-phase multifunctional power instrument can be widely applied to substation automation, distribution automation, electric energy measurement inside intelligent buildings and enterprises, management and examination, the existing power instrument installed on a power distribution cabinet can monitor and display the electric quantity of the power distribution cabinet.

The existing three-phase electric power instrument shell is not convenient to mount, the loosening condition is easy to affect the use, the effect is not good when the instrument is used, and the instrument needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shell for a three-phase power meter, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shell for three-phase electric power instrument, includes casing and the mounting bracket of setting on the switch board surface, the interior back of mounting bracket is provided with placer, the inner wall of mounting bracket is provided with installation fixing device.

The installation fixing device comprises an installation block, a slide way, a mounting hole, a bolt, a baffle, a connecting block, a spring, a slide rail, a connecting frame, a slider and a moving groove, wherein the installation block is fixedly connected to the surface of the shell, the slide rail is fixedly connected to the inner back surface of the mounting frame, the slide way is arranged in the slide rail, the slide way is arranged at the top and the bottom of the mounting frame, the connecting block is slidably connected to the inner bottom of the slide rail, the connecting frame is fixedly connected to the top of the connecting block, the baffle is fixedly connected to the top of the connecting frame, the spring is fixedly connected to the back surface of the connecting frame, the moving groove is arranged at the side of the slide rail, close to one side of the installation block, and the slider is fixedly connected to the side surface of the installation block.

Preferably, the placing device comprises a placing frame and a placing groove, the placing frame is fixedly connected to the inner back face of the mounting frame, the placing groove is arranged on the front face of the placing frame, the back face of the shell can be supported and placed through the placing groove, and the firmness of connection between the placing frame and the shell is improved during installation.

Preferably, the quantity of installation piece is two, two installation piece symmetric distribution is at the top and the bottom of casing, through being provided with the installation piece, and when the installation, the installation piece can remove along the slide rail, and cooperation mounting hole and bolt can install the casing in the inside of mounting bracket.

Preferably, the number of the sliding blocks is two, the two sliding blocks are symmetrically distributed on the left side and the right side of the installation block, and the sliding blocks are arranged, so that the stability of the installation block during moving can be improved when the installation block moves.

Preferably, the mounting hole is opened respectively in the top of mounting bracket and the top of installation piece, bolt threaded connection is in the inside of mounting hole, through being provided with bolt and mounting hole, can be connected the installation piece with the mounting bracket together fixedly, is about to the casing and installs in the inside of mounting bracket, the installation of the casing of being convenient for.

Preferably, the back of casing is pegged graft in the inside of rack, and after the installation, the inside of rack can be inserted to the back of casing, and cooperation bolt and mounting hole can be better fix the casing installation in the inside of mounting bracket, make the relation of connection between the two more firm.

Preferably, the connecting frame is slidably connected to the inner wall of the sliding groove, the mounting block is slidably connected to the inner wall of the moving groove, and the sliding block is slidably connected to the inner bottom of the sliding rail.

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

1. when the shell for the three-phase power instrument is used, the bolt, the mounting hole, the mounting block and the baffle and the slide rail are matched, when the shell is used, the mounting block and the slide block on the surface of a shell to be mounted are inserted into the slide groove, then the shell is pushed, the slide block and the mounting block are driven to move along the inner wall of the slide rail, the connecting block is driven to move backwards, the baffle is driven to move backwards, the mounting hole is exposed, when the mounting hole at the top of the mounting block is pushed to be aligned with the mounting hole at the top of the mounting frame, then the bolt is mounted into the mounting hole, the mounting block and the mounting frame can be fixedly connected together, namely, the shell is mounted in the mounting frame, the shell is convenient to mount, the baffle is used for shielding the mounting hole when the shell is not mounted, dust can be prevented from entering the mounting frame through the mounting hole, and meanwhile, the baffle can shield the slide groove, preventing dust from entering the mounting bracket.

2. This shell for three-phase electric power instrument through being provided with rack and standing groove, after the installation, the inside of rack can be injected to the back of casing, cooperation bolt and mounting hole, not only can realize that connection structure is reliable and stable, and the connected mode is convenient quick moreover, saves greatly and connects man-hour, can save the time of installation and guarantee the effect of installation.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a front view, cross-sectional and structural schematic view of the mounting block, the slide rail and other structures of the present invention;

FIG. 4 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 5 is a schematic side view, cross-sectional and sectional view of the mounting block and the slide rail of the present invention.

In the figure: 1. a housing; 2. a mounting frame; 3. a placement device; 301. placing a rack; 302. a placement groove; 4. installing a fixing device; 401. mounting blocks; 402. a slideway; 403. a chute; 404. mounting holes; 405. a bolt; 406. a baffle plate; 407. connecting blocks; 408. a spring; 409. a slide rail; 410. a connecting frame; 411. a slider; 412. the slot is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a shell for three-phase electric power instrument, including casing 1 and the mounting bracket 2 of setting on the switch board surface, the interior back of mounting bracket 2 is provided with placer 3, the inner wall of mounting bracket 2 is provided with installation fixing device 4, the back of casing 1 is pegged graft in the inside of rack 301, after the installation is accomplished, the inside of rack 301 can be injected into at the back of casing 1, cooperation bolt 405 and mounting hole 404, can be better install casing 1 and fix the inside at mounting bracket 2, make relation of connection between them more firm.

The mounting and fixing device 4 comprises a mounting block 401, a slide 402, a slide 403, a mounting hole 404, a bolt 405, a baffle 406, a connecting block 407, a spring 408, a slide rail 409, a connecting frame 410, a sliding block 411 and a moving groove 412, the mounting block 401 is fixedly connected to the surface of the shell 1, the slide rail 409 is fixedly connected to the inner back surface of the mounting frame 2, the slide 402 is arranged inside the slide rail 409, the slide 403 is arranged at the top and the bottom of the mounting frame 2, the connecting block 407 is slidably connected to the inner bottom of the slide rail 409, the connecting frame 410 is fixedly connected to the top of the connecting block 407, the connecting frame 410 is slidably connected to the inner wall of the slide rail 403, the mounting block 401 is slidably connected to the inner wall of the moving groove 412, the sliding block 411 is slidably connected to the inner bottom of the slide rail 409, the baffle 406 is fixedly connected to the top of the connecting frame 410, the spring 408 is fixedly connected to the back surface of the connecting frame 410, and the moving groove 412 is arranged at one side of the slide rail 409 close to the mounting block 401, the sliding blocks 411 are fixedly connected to the side surfaces of the mounting blocks 401 close to the back surface, the number of the sliding blocks 411 is two, the two sliding blocks 411 are symmetrically distributed on the left side and the right side of the mounting blocks 401, when the mounting blocks 401 move, the stability of the mounting blocks 401 during moving is improved by arranging the sliding blocks 411, the mounting holes 404 are respectively formed in the top of the mounting frame 2 and the top of the mounting blocks 401, the bolts 405 are in threaded connection with the inside of the mounting holes 404, the mounting blocks 401 and the mounting frame 2 can be fixedly connected together by arranging the bolts 405 and the mounting holes 404, the number of the mounting blocks 401 is two, the two mounting blocks 401 are symmetrically distributed on the top and the bottom of the shell 1, when the mounting blocks 401 are arranged, the mounting blocks 401 can move along the sliding rails 409 during mounting, the shell 1 can be mounted inside the mounting frame 2 by matching the mounting holes 404 and the bolts 405, namely the shell 1 is mounted inside the mounting frame 2, facilitating the mounting of the housing 1.

The placing device 3 comprises a placing frame 301 and a placing groove 302, the placing frame 301 is fixedly connected to the inner back face of the mounting frame 2, the placing groove 302 is arranged on the front face of the placing frame 301, the back face of the shell 1 can be supported and placed through the placing groove 302, and the firmness of connection between the placing frame and the shell is improved during installation.

The working principle of the utility model is as follows: when mounting, the mounting block 401 and the sliding block 411 on the back of the housing 1 are aligned with the sliding rail 409 on the surface of the mounting frame 2, then the mounting block 401 and the sliding block 411 are inserted into the sliding rail 409, then the housing 1 is pushed, so that the two sides of the mounting block 401 move backwards along the inner wall of the moving groove 412, at the same time, the sliding block 411 moves backwards along the inner bottom of the sliding rail 409 until the back of the mounting block 401 and the sliding block 411 contact the front of the connecting block 407, the housing 1 is pushed continuously, the connecting block 407 moves backwards along the inner bottom of the sliding rail 409, the connecting block 407 moves backwards, the connecting frame 410 and the baffle 406 on the top are driven, the baffle 406 moves backwards to expose the mounting holes 404 on the top and the bottom of the mounting frame 2, the housing 1 is pushed continuously until the mounting hole 404 on the top of the mounting block 401 is pushed to be aligned with the mounting hole 404 on the top of the mounting frame 2, and then the bolt 405 is screwed into the mounting hole 404, the mounting block 401 and the mounting frame 2 are fixedly connected together, meanwhile, the back surface of the shell 1 is in contact with the inner back surface of the placing frame 301, and the back surface of the shell 1 is inserted into the placing frame 301, so that the shell 1 is mounted.

Claims

1. The utility model provides a shell for three-phase electric power instrument, includes casing (1) and sets up at mounting bracket (2) on switch board surface, its characterized in that: a placing device (3) is arranged on the inner back surface of the mounting rack (2), and a mounting and fixing device (4) is arranged on the inner wall of the mounting rack (2);

the mounting and fixing device (4) comprises a mounting block (401), a slide way (402), a sliding groove (403), a mounting hole (404), a bolt (405), a baffle (406), a connecting block (407), a spring (408), a slide rail (409), a connecting frame (410), a sliding block (411) and a moving groove (412), the mounting block (401) is fixedly connected to the surface of the shell (1), the slide rail (409) is fixedly connected to the inner back surface of the mounting frame (2), the slide way (402) is arranged in the slide rail (409), the sliding groove (403) is arranged at the top and the bottom of the mounting frame (2), the connecting block (407) is slidably connected to the inner bottom of the slide rail (409), the connecting frame (410) is fixedly connected to the top of the connecting block (407), the baffle (406) is fixedly connected to the top of the connecting frame (410), and the spring (408) is fixedly connected to the back surface of the connecting frame (410), the moving groove (412) is arranged on one side, close to the mounting block (401), of the sliding rail (409), and the sliding block (411) is fixedly connected to the side face, close to the back face, of the mounting block (401).

2. The housing for a three-phase power meter according to claim 1, characterized in that: the placing device (3) comprises a placing rack (301) and a placing groove (302), the placing rack (301) is fixedly connected to the inner back face of the mounting rack (2), and the placing groove (302) is arranged on the front face of the placing rack (301).

3. The housing for a three-phase power meter according to claim 1, characterized in that: the number of the mounting blocks (401) is two, and the two mounting blocks (401) are symmetrically distributed at the top and the bottom of the shell (1).

4. The housing for a three-phase power meter according to claim 1, characterized in that: the number of the sliding blocks (411) is two, and the two sliding blocks (411) are symmetrically distributed on the left side and the right side of the mounting block (401).

5. The housing for a three-phase power meter according to claim 1, characterized in that: the mounting holes (404) are respectively formed in the top of the mounting frame (2) and the top of the mounting block (401), and the bolts (405) are connected to the inside of the mounting holes (404) in a threaded mode.

6. The housing for a three-phase power meter according to claim 2, characterized in that: the back of the shell (1) is inserted into the placing rack (301).

7. The housing for a three-phase power meter according to claim 1, characterized in that: the connecting frame (410) is connected to the inner wall of the sliding groove (403) in a sliding mode, the mounting block (401) is connected to the inner wall of the moving groove (412) in a sliding mode, and the sliding block (411) is connected to the inner bottom of the sliding rail (409) in a sliding mode.