CN212908969U

CN212908969U - Electronic engineering external power supply protection device stable in installation

Info

Publication number: CN212908969U
Application number: CN202021848283.2U
Authority: CN
Inventors: 王晓燕
Original assignee: Shaanxi Leineng To Electronic Technology Co ltd
Current assignee: Shaanxi Leineng To Electronic Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-06
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses an electronic engineering external power supply protection device with stable installation, which comprises a protective shell and a power supply protector, wherein the lower surface of the protective shell is provided with four groups of screws, the lower surface of the power supply protector is provided with four groups of screw holes, the working ends of the screws can penetrate into the screw holes, two groups of limiting mechanisms are arranged between the protective shell and the power supply protector, each limiting mechanism comprises an inserting strip and an installing block, the inside of the inserting strip is provided with a slot, and the inside of the installing block is respectively provided with a moving hole and a limiting groove for the top of the inserting strip to penetrate; the utility model discloses a stop gear of design is convenient for install the protective housing, need not the troublesome condition that the protective housing just can install that installer need hold up when the installation, carries out spacing fixed with the protecting crust before the installation, then alright screw can install fixed protecting crust, easy operation has improved installer's installation effectiveness.

Description

Electronic engineering external power supply protection device stable in installation

Technical Field

The utility model belongs to the technical field of electronic engineering, concretely relates to electronic engineering external power supply protection device that installation is stable.

Background

The power protector can be used in electronic engineering, and is applied to equipment for protecting an external power supply of electronic engineering, and is a monitoring and protecting instrument for a multifunctional three-phase power supply system or three-phase electric equipment, and the instrument integrates three-phase voltage display, overvoltage protection, undervoltage protection, open-phase protection (open-phase protection) and phase sequence protection (phase-error protection), and can timely send out an alarm signal to abnormal conditions of the three-phase power supply which may damage the power supply system and the equipment to operate safely and reliably, so that the control system can carry out proper treatment before the machine equipment is damaged greatly, thereby ensuring that the machine equipment and the system obtain the maximum protection, improving the effectiveness of machines, equipment and systems, and reducing the maintenance cost and maintenance time caused by the fault of the three-phase system.

Current power protector is in the installation, need install the protecting crust on the power protector, the protecting crust passes through the mounting screw on power protector, but at the in-process of installation, the installer need hold the protecting crust with the hand on one side, then the another side uses the screwdriver to screw the screw fixed, need both hands cooperation just can carry out screwing of screw, installation troublesome operation like this, it is inconvenient to install, installer's installation progress has been reduced, and the screw is still inconvenient carries out the problem to the hole, we provide an electronic engineering external power supply protection device that the installation is stable for this reason.

Disclosure of Invention

An object of the utility model is to provide a stable electronic engineering external power supply protection device installs, with the current power protector who proposes in solving above-mentioned background art in the installation, need install the protecting crust on the power protector, the protecting crust passes through the mounting screw on power protector, but at the in-process of installation, installer need hold the protecting crust with the hand on one side, then the another side uses the screwdriver to screw the screw fixedly, need both hands cooperation just can carry out screwing of screw, installation troublesome poeration like this, the installation is inconvenient, installer's installation progress has been reduced, and the screw is still inconvenient to carry out the problem to the hole.

In order to achieve the above object, the utility model provides a following technical scheme: an electronic engineering external power supply protection device with stable installation comprises a protection shell and a power supply protector, four groups of screws are arranged on the lower surface of the protective shell, four groups of screw holes are arranged on the lower surface of the power supply protector, the working end of the screw can penetrate into the screw hole, two groups of limiting mechanisms are arranged between the protective shell and the power supply protector, the limiting mechanism comprises a cutting and a mounting block, the inside of the cutting is provided with a slot, the inside of the mounting block is respectively provided with a moving hole and a limiting groove for the top of the cutting to penetrate, a movable strip is arranged inside the moving hole, one end of the movable strip can penetrate into the slot, the other end of the movable strip is provided with two sets of limiting blocks, springs are arranged between the limiting blocks and the mounting blocks, and the other end of the movable strip is provided with a movable strip.

Preferably, a through hole is formed in the moving strip, a fixing strip is arranged on the side face of the mounting block, a through hole is formed in the fixing strip, a moving rod is arranged in the through hole and can reciprocate up and down in the through hole, the bottom of the moving rod can penetrate through the through hole and extend to the lower surface of the moving strip, a limiting handle is arranged at the top of the moving rod, and a stop block is arranged outside the moving rod.

Preferably, the lower surface of the protective shell is respectively embedded with a display screen and a plurality of groups of keys.

Preferably, the power supply protector is internally provided with a circuit board and a chip respectively.

Preferably, a relay is further disposed inside the power protector.

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

(1) the utility model discloses a stop gear of design is convenient for install the protective housing, need not the troublesome condition that the protective housing just can install that installer need hold up when the installation, carries out spacing fixed with the protecting crust before the installation, then alright screw can install fixed protecting crust, easy operation has improved installer's installation effectiveness.

(2) The utility model discloses a through-hole, fixed strip, through hole, carriage release lever, restriction of design combine together with the dog, and the through-hole can be passed to the bottom of carriage release lever, and the carriage release lever can block the removal strip after outwards removing to suitable position, makes things convenient for the installer to carry on spacingly to the protecting crust more, has further improved installer's simple operation nature.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional structural view of the mounting block and the cutting strip of the present invention;

FIG. 4 is a schematic cross-sectional structural view of the fixing strip and the moving strip of the present invention;

fig. 5 is a schematic view of the power supply protector of the present invention;

in the figure: 1. a protective shell; 2. a power supply protector; 3. mounting blocks; 4. a fixing strip; 5. a travel bar; 6. a stopper; 7. a moving bar; 8. a limiting block; 9. a spring; 10. cutting; 11. a limit handle; 12. moving the hole; 13. a limiting groove; 14. a slot; 15. a movable bar; 16. a through hole; 17. a through hole; 18. a display screen; 19. and (6) pressing a key.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an electronic engineering external power supply protection device with stable installation comprises a protective shell 1 and a power supply protector 2, wherein four groups of screws are arranged on the lower surface of the protective shell 1, four groups of screw holes are arranged on the lower surface of the power supply protector 2, the working ends of the screws can penetrate into the screw holes, the protective shell 1 is fixedly installed on the power supply protector 2 through the screws, the fixing is firm, the installation is stable, two groups of limiting mechanisms are arranged between the protective shell 1 and the power supply protector 2, each limiting mechanism comprises an inserting strip 10 and an installing block 3, a slot 14 is formed in the inserting strip 10, a moving hole 12 and a limiting groove 13 for the top of the inserting strip 10 to penetrate into are respectively formed in the installing block 3, a movable strip 15 is arranged in the moving hole 12, one end of the movable strip 15 can penetrate into the slot 14, two groups of limiting blocks 8 are arranged at the other end of the movable strip 15, and a spring 9 is arranged, the other end of activity strip 15 is provided with removes strip 7, and stop gear through the design is convenient for install protecting crust 1, need not the troublesome condition that installer need hold protecting crust 1 just can install when the installation, carries out spacing fixed with protecting crust 1 before the installation, then alright screw can install fixed protecting crust 1, easy operation has improved installer's installation effectiveness.

In this embodiment, preferably, the moving bar 7 has a through hole 17 formed therein, the fixing bar 4 is disposed on the side surface of the mounting block 3, the fixing bar 4 has a through hole 16 formed therein, the moving rod 5 is disposed in the through hole 16, the moving rod 5 can reciprocate up and down in the through hole 16, the bottom of the moving rod 5 can pass through the through hole 17 and extend to the lower surface of the moving bar 7, the top of the moving rod 5 is provided with a limiting handle 11, the outside of the moving rod 5 is provided with a stop block 6, through-hole 17, fixed strip 4, through hole 16, carriage release lever 5, restriction through the design combine together 11 and dog 6, and through-hole 17 can be passed to the bottom of carriage release lever 5, and carriage release lever 5 can block the removal strip 7 after outwards moving to suitable position, makes things convenient for installer to carry on spacingly to protecting crust 1 more, has further improved installer's simple operation nature.

In this embodiment, preferably, the lower surface of the protective shell 1 is embedded with a display 18 and a plurality of groups of keys 19.

In this embodiment, it is preferable that the power supply protector 2 is provided therein with a circuit board and a chip, respectively.

In this embodiment, preferably, a relay is further provided inside the power supply protector 2.

The utility model discloses a theory of operation and use flow:

when the utility model is used, the movable strip 7 is moved outwards to drive the movable strip 15 to move, the movable strip 15 drives the limit block 8 to move outwards, then the spring 9 begins to stretch, then one end of the movable strip 15 is separated from the slot 14, then the movable strip 7 is continuously moved outwards, then the movable rod 5 is moved downwards when the through hole 17 is level with the bottom position of the movable rod 5, then the bottom of the movable rod 5 is inserted into the through hole 17, at the moment, the movable rod 5 can block the movable strip 7, then the protective shell 1 is placed at the proper position of the lower surface of the power supply protector 2, the top of the inserting strip 10 is positioned below the limit groove 13, then the protective shell 1 is moved upwards to drive the inserting strip 10 to move upwards, then the top of the inserting strip 10 is inserted into the inside of the limit groove 13, at the moment, the slot 14 is matched with one end position of the movable strip 15, then the movable rod 5 is moved upwards, then the bottom of the moving rod 5 is separated from the through hole 17, at the moment, the spring 9 stretches back and resets to drive the limiting block 8 to move inwards, the limiting block 8 drives the movable strip 15 to move inwards, then the inserting strip 10 can be clamped tightly, the protective shell 1 can be limited, and finally the bolt is screwed and fixed;

when the protective shell 1 needs to be disassembled, the screw is unscrewed, then the moving strip 7 moves outwards, the moving strip 15 is driven to move, then one end of the moving strip 15 is separated from the slot 14, then the protective shell 1 moves downwards, the top of the inserting strip 10 is driven to be separated from the limiting groove 13, and at this time, the protective shell 1 can be disassembled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stable electronic engineering external power protection device of installation, includes protecting crust (1) and power protector (2), its characterized in that: the lower surface of the protective shell (1) is provided with four groups of screws, the lower surface of the power protector (2) is provided with four groups of screw holes, the working ends of the screws can penetrate into the screw holes, two groups of limiting mechanisms are arranged between the protective shell (1) and the power protector (2), each limiting mechanism comprises an inserting strip (10) and an installation block (3), a slot (14) is formed in the inserting strip (10), a moving hole (12) and a limiting groove (13) for the top of the inserting strip (10) to penetrate into are respectively formed in the installation block (3), a movable strip (15) is arranged in the moving hole (12), one end of the movable strip (15) can penetrate into the slot (14), two groups of limiting blocks (8) are arranged at the other end of the movable strip (15), and a spring (9) is arranged between each limiting block (8) and the installation block (3), the other end of the movable strip (15) is provided with a movable strip (7).

2. The stably-installed electronic engineering external power supply protection device of claim 1, wherein: through-hole (17) have been seted up to the inside of removal strip (7), the side of installation piece (3) is provided with fixed strip (4), through hole (16) have been seted up to the inside of fixed strip (4), the inside of through hole (16) is provided with carriage release lever (5), just carriage release lever (5) can the inside of through hole (16) is gone on reciprocating motion from top to bottom, the bottom of carriage release lever (5) can be passed through hole (17) and extend to the lower surface of removal strip (7), the top of carriage release lever (5) is provided with restriction (11), the outside of carriage release lever (5) is provided with dog (6).

3. The stably-installed electronic engineering external power supply protection device of claim 1, wherein: the lower surface of the protective shell (1) is respectively embedded with a display screen (18) and a plurality of groups of keys (19).

4. The stably-installed electronic engineering external power supply protection device of claim 1, wherein: and a circuit board and a chip are respectively arranged in the power supply protector (2).

5. The stably-installed electronic engineering external power supply protection device of claim 4, wherein: and a relay is also arranged in the power supply protector (2).