Measurement and control instrument protection structure

Abstract

The utility model discloses a protection structure of a measurement and control instrument. The protection structure comprises a cover housing, an avoiding hole, a baffle plate and an L-shaped guide groove. According to the measurement and control instrument protection structure, an avoiding hole is formed in the position, corresponding to a key of a measurement and control instrument, of a cover groove, a baffle matched with the avoiding hole is attached to the position, corresponding to the avoiding hole, of the inner wall of the cover groove, L-shaped guide grooves are symmetrically and fixedly connected to the two sides, corresponding to the baffle, of the inner wall of the cover groove, and movable plates matched with the L-shaped guide grooves are slidably connected into the L-shaped guide grooves in a damping mode; an avoiding hole is formed in a cover groove, so that a key on a measurement and control instrument can be conveniently operated, meanwhile, the avoiding hole is connected with a baffle through an L-shaped guide groove and a movable plate for blocking, and therefore when operation is needed, a push block is matched with a connecting block to push the baffle upwards along a limiting groove, so that the avoiding hole is exposed, and operation is convenient; and when not in operation, the baffle plate can be pushed downwards along the limiting groove through the cooperation of the push block and the connecting block, so that the avoiding hole is shielded, and the function of avoiding mistaken touch is achieved.

Description

Technical Field

[0001] This utility model relates to the field of measurement and control instrument technology, specifically a protection structure for measurement and control instruments. Background Technology

[0002] This measurement and control instrument can directly replace conventional power transmitters and measuring instruments. As an advanced, intelligent, and digital front-end acquisition element, this power instrument has been widely used in various control systems, SCADA systems, and energy management systems. The instrument uses AC sampling technology and can measure parameters such as current, voltage, power, power factor, and energy in the power grid. The multiplier can be set via a membrane switch on the panel, and it features RS485 communication, alarm output, and switch input / output functions.

[0003] The existing measurement and control instruments are as follows: Figure 7 As shown, the instrument is usually inserted directly into the hole in the mounting panel and secured by clips and bolts on the back of the mounting panel, forming an assembly-type installation. The installation is convenient, but the exposed front surface of the instrument makes it easy to accidentally press the buttons. There is also the problem that the screen of the instrument may be damaged by a collision. Therefore, a protective structure for the instrument is proposed to protect the existing instrument. Utility Model Content

[0004] The purpose of this utility model is to provide a protection structure for measurement and control instruments to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A protective structure for a measurement and control instrument includes a back cover groove that snaps forward onto the front end of the measurement and control instrument, which is mounted through the instrument on a mounting panel. A cover groove is connected to the opening of the back cover groove. The cover groove has clearance holes corresponding to the buttons on the measurement and control instrument. A baffle, adapted to the clearance holes, is fitted to the inner wall of the cover groove. L-shaped guide grooves are symmetrically fixedly connected to both sides of the baffles on the inner wall of the cover groove. Each L-shaped guide groove has a damped sliding connection to a corresponding movable plate. The baffle is fixedly connected between the two movable plates. A limit groove is provided on the cover groove corresponding to the movable plates. A connecting block, adapted to the limit groove, is slidably connected within the limit groove. The connecting block extends out of the cover groove and is fixedly connected to a push block.

[0007] As a further embodiment of this utility model: the push block is evenly provided with anti-slip grooves, the length of the movable plate is greater than twice the length of the limiting groove, the movable plate extends to the upper and lower sides of the baffle, and the movable plate corresponds to and is adapted to the limiting groove.

[0008] As a further scheme of the utility model: the back shell groove is fixedly connected with a stop ring on the outside, the cover groove is buckled on the back shell groove and abuts against the stop ring, the stop ring limits the depth of the plug-in of the cover groove and the back shell groove, thereby facilitating the alignment of the clamping head and the clamping hole.

[0009] As a further scheme of the utility model: the back shell groove is fixedly connected with a stop ring on the outside, the cover groove is buckled on the back shell groove and abuts against the stop ring, the stop ring limits the depth of the plug-in of the cover groove and the back shell groove, thereby facilitating the alignment of the clamping head and the clamping hole.

[0010] As a further scheme of the utility model: the back shell groove is fixedly connected with a stop ring on the outside, the cover groove is buckled on the back shell groove and abuts against the stop ring, the stop ring limits the depth of the plug-in of the cover groove and the back shell groove, thereby facilitating the alignment of the clamping head and the clamping hole.

[0011] As a further scheme of the utility model: the back shell groove is fixedly connected with a stop ring on the outside, the cover groove is buckled on the back shell groove and abuts against the stop ring, the stop ring limits the depth of the plug-in of the cover groove and the back shell groove, thereby facilitating the alignment of the clamping head and the clamping hole.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses an avoiding hole is formed on the cover groove, thereby facilitating the operation of the button on the measurement and control instrument, meanwhile, the avoiding hole is closed by the L-shaped guide groove, the movable plate and the baffle, when operation is needed, the baffle is pushed up by the push block and the connecting block, thereby exposing the avoiding hole, facilitating operation, when operation is not needed, the baffle is pushed down by the push block and the connecting block, thereby hiding the avoiding hole, avoiding accidental touch.

[0014] 2. The utility model discloses that the cover groove forms integral protection on the front surface of the measurement and control instrument, thereby avoiding the problem that the display screen of the measurement and control instrument is damaged due to collision.

[0015] 3. The utility model discloses that the movable plate shields the limiting groove, thereby forming shielding effect when the movable plate is moved in the L-shaped guide groove by the push block and the connecting block, avoiding that external dust enters the cover groove through the limiting groove.

[0016] 4. In the utility model, after the back shell groove is penetrated by the installation hole of the measurement and control instrument, extrusion is formed between the back shell groove and the installation panel, thereby forming assembly type fixation, thereby the protection structure can be conveniently combined and installed with the measurement and control instrument.

[0017] 5. In the utility model, the cover groove is buckled on the back shell groove, fixed by the stop ring, and the clamping head is clamped into the clamping hole by the elastic ear, thereby the cover groove can be assembly type installed on the back shell groove, thereby facilitating the combination of the protection structure and the replacement and maintenance of the cover groove. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of a kind of measuring and controlling instrument protection structure.

[0019] Figure 2 It is an explosion structural diagram of a kind of measuring and controlling instrument protection structure.

[0020] Figure 3 It is a sectional view of a kind of measuring and controlling instrument protection structure.

[0021] Figure 4 It is the inside view of cover groove in a kind of measuring and controlling instrument protection structure.

[0022] Figure 5 It is the display diagram of baffle in a kind of measuring and controlling instrument protection structure.

[0023] Figure 6 It is the display diagram of the observation window opened in cover groove in a kind of measuring and controlling instrument protection structure.

[0024] Figure 7 It is prior art drawing.

[0025] In the drawing: 1, back shell groove;2, measuring and controlling instrument;3, installation panel;4, cover groove;5, avoid hole;6, baffle;7, L-shaped guide groove;8, movable plate;9, limit groove;10, connecting block;11, push block;12, mounting hole;13, sealing gasket;14, stop ring;15, notch;16, elastic lug;17, clamp;18, clamping hole. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-6In this embodiment of the utility model, a protective structure for a measuring and control instrument includes a back shell groove 1, which is fastened forward onto the front end of a measuring and control instrument 2. The measuring and control instrument 2 is mounted through a mounting panel 3. A cover groove 4 is connected to the opening of the back shell groove 1. The cover groove 4 is made of transparent material or has a transparent observation window. The cover groove 4 has a clearance hole 5 corresponding to the button of the measuring and control instrument 2. A baffle 6 is fitted to the inner wall of the cover groove 4 corresponding to the clearance hole 5. L-shaped guide grooves 7 are symmetrically fixedly connected to both sides of the inner wall of the cover groove 4 corresponding to the baffle 6. Movable plates 8 are damped and slidably connected to each L-shaped guide groove 7. The baffle 6 is fixedly connected between the two movable plates 8. A limit groove 9 is opened on the cover groove 4 corresponding to the movable plate 8. A connecting block 10 is slidably connected to the limit groove 9. The connecting block 10 extends out of the cover groove 4 and is fixedly connected to a push block 11.

[0028] An obstacle clearance hole 5 is provided in the cover groove 4 to facilitate the operation of the buttons on the measuring and control instrument 2. At the same time, the obstacle clearance hole 5 is blocked by the L-shaped guide groove 7 and the movable plate 8 connected to the baffle 6. When operation is needed, the baffle 6 can be pushed up by the push block 11 and the connecting block 10 along the limiting groove 9 to expose the obstacle clearance hole 5, thus facilitating operation. When not in operation, the baffle 6 can be pushed down by the push block 11 and the connecting block 10 along the limiting groove 9 to cover the obstacle clearance hole 5, thus preventing accidental touch.

[0029] The cover groove 4 forms an overall protection on the front surface of the measurement and control instrument 2, thereby avoiding the problem of damage to the display screen of the measurement and control instrument 2 due to collision.

[0030] The push block 11 is evenly provided with anti-slip grooves. The length of the movable plate 8 is more than twice the length of the limiting groove 9. The movable plate 8 extends to the upper and lower sides of the baffle 6. The movable plate 8 corresponds to and is adapted to the limiting groove 9.

[0031] The movable plate 8 shields the limiting groove 9, thus ensuring a shielding effect when the movable plate 8 is pushed within the L-shaped guide groove 7 by the push block 11 and the connecting block 10, preventing external dust from entering the cover groove 4 through the limiting groove 9.

[0032] The back cover groove 1 has a mounting hole 12 for the measurement and control instrument 2 to pass through. Sealing gaskets 13 are fixedly connected to both sides of the back cover groove 1 corresponding to the mounting hole 12. The sealing gaskets 13 are respectively attached to the front end of the measurement and control instrument 2 and the front surface of the mounting panel 3.

[0033] After the back shell groove 1 is penetrated by the measurement and control instrument 2 through the mounting hole 12, it is pressed against the mounting panel 3, so that the back shell groove 1 is assembled and fixed, thus this protective structure can be easily combined and installed with the measurement and control instrument 2.

[0034] The outer side of the back shell groove 1 is fixedly connected with a stop ring 14, the cover groove 4 is buckled on the back shell groove 1 and abuts against the stop ring 14, the stop ring 14 limits the depth of the cover groove 4 and the back shell groove 1, so that the clamping head 17 is aligned with the clamping hole 18.

[0035] The top and bottom of the back shell groove 1 are provided with notches 15, the notches 15 separate the edges of the back shell groove 1 into elastic ears 16, and the elastic ears 16 can be elastically deformed and reset.

[0036] The clamping head 17 is fixedly connected to the elastic ear 16, the cover groove 4 is provided with the clamping hole 18 corresponding to the clamping head 17, the clamping head 17 is inserted into the clamping hole 18 and is matched.

[0037] The cover groove 4 is buckled on the back shell groove 1, is stopped by the stop ring 14, and is clamped into the clamping hole 18 by the elastic ear 16 to form a fixed connection, so that the cover groove 4 can be assembled and mounted on the back shell groove 1, thereby facilitating the combination of the protection structure and the replacement and maintenance of the cover groove 4.

[0038] The working principle of the utility model is:

[0039] In use, the back shell groove 1 is corresponded with the hole on the mounting panel 3, the measurement and control instrument 2 is corresponded with the mounting hole 12 and penetrates the back shell groove 1 and the mounting panel 3, at this time, the clamping piece of the measurement and control instrument 2 is clamped on the part of the measurement and control instrument 2 penetrating the mounting panel 3, and the installation of the measurement and control instrument 2 and the mounting panel 3 is realized by rotating and abutting the bolt, at this time, the back shell groove 1 is pressed between the mounting panel 3 and the front end of the measurement and control instrument 2, and sealing is formed by the sealing gasket 13, at this time, the cover groove 4 can be buckled on the back shell groove 1, the edge of the cover groove 4 presses the clamping head 17, the elastic ear 16 is elastically deformed to form an avoidance, and further until the cover groove 4 abuts against the stop ring 14, at this time, the clamping head 17 is clamped into the clamping hole 18 under the elastic reset action of the elastic ear 16, so that the cover groove 4 is fixedly installed, at this time, the connecting block 10 is located at the bottom end of the limiting groove 9, so that the baffle 6 forms shielding on the avoidance hole 5, and the effect of preventing mistaken touch is realized, when the key on the measurement and control instrument 2 needs to be operated, at this time, the push block 11 is pushed up, the push block 11 drives the connecting block 10 to slide up along the limiting groove 9, the connecting block 10 drives the movable plate 8 to slide up along the L-shaped guide groove 7, the movable plate 8 always forms shielding on the limiting groove 9 in the sliding process, at this time, the baffle 6 is pushed up and moves upward, and is limited under the damping friction, so that the avoidance hole 5 is exposed, at this time, the key on the measurement and control instrument 2 can be operated.

[0040] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A protective structure for a measurement and control instrument, comprising a back cover groove (1), the back cover groove (1) being fastened forward onto the front end of a measurement and control instrument (2), the measurement and control instrument (2) being mounted through a mounting panel (3), characterized in that: The opening of the back shell groove (1) is connected to a cover groove (4). The cover groove (4) is provided with a clearance hole (5) corresponding to the button of the measuring and control instrument (2). The inner wall of the cover groove (4) is fitted with a baffle (6) that matches the clearance hole (5). The inner wall of the cover groove (4) is symmetrically fixedly connected to both sides of the baffle (6). The L-shaped guide groove (7) is damped and slidably connected to the L-shaped guide groove (7). The baffle (6) is fixedly connected between the two movable plates (8). A limit groove (9) is opened on the cover groove (4) corresponding to the movable plate (8). A connecting block (10) that matches the limit groove (9) is slidably connected to the limit groove (9). The connecting block (10) extends out of the cover groove (4) and is fixedly connected to a push block (11).

2. The protection structure for a measurement and control instrument according to claim 1, characterized in that: The push block (11) is evenly provided with anti-slip grooves. The length of the movable plate (8) is greater than twice the length of the limiting groove (9). The movable plate (8) extends to the upper and lower sides of the baffle (6). The movable plate (8) corresponds to and is adapted to the limiting groove (9).

3. The protection structure for a measurement and control instrument according to claim 1, characterized in that: The back shell groove (1) is provided with a mounting hole (12) for the measurement and control instrument (2) to pass through. Sealing gaskets (13) are fixedly connected to both sides of the back shell groove (1) corresponding to the mounting hole (12). The sealing gaskets (13) are respectively attached to the front end of the measurement and control instrument (2) and the front surface of the mounting panel (3).

4. The protection structure for a measurement and control instrument according to claim 1, characterized in that: A stop ring (14) is fixedly connected to the outside of the back shell groove (1), and the cover groove (4) is fastened to the back shell groove (1) and abuts against the stop ring (14).

5. The protection structure for a measurement and control instrument according to claim 1, characterized in that: The back shell groove (1) is provided with notches (15) at the top and bottom, and the notches (15) separate the edges of the back shell groove (1) into elastic ears (16).

6. The protection structure for a measurement and control instrument according to claim 5, characterized in that: A clip (17) is fixedly connected to the elastic ear (16), and a clip hole (18) is provided in the cover groove (4) corresponding to the clip (17).

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