CN109378244B

CN109378244B - Safe waterproof knife switch

Info

Publication number: CN109378244B
Application number: CN201811309333.7A
Authority: CN
Inventors: 王凡; 王水益
Original assignee: Wenzhou Sangni Electric Co ltd
Current assignee: Wenzhou Sangni Electric Co ltd
Priority date: 2018-11-05
Filing date: 2018-11-05
Publication date: 2020-06-30
Anticipated expiration: 2038-11-05
Also published as: CN109378244A

Abstract

The invention relates to the technical field of a switch blade, in particular to a safe waterproof switch blade, wherein mounting plates are arranged on two sides of a shell, wire inlet mechanisms are arranged on two sides of the shell below the mounting plates, a frame body and a mounting block are respectively arranged above the two mounting plates, a moving block is arranged in the frame body, a first spring is arranged between one side of the moving block and the frame body, a positioning block corresponding to a positioning hole is arranged at the other end of a cover plate, a fixing groove is arranged above the shell, a sealing ring is arranged in the fixing groove, and the bottom in the shell is connected with a switch blade main body through a fixing mechanism. This device reasonable in design, convenient operation through the setting of sealing washer to prevent that water from contacting with the wire part of plug-in strip, and then avoided the condition of short circuit to take place, reached the purpose of protection plug-in strip, conveniently dismantle the plug-in strip main part simultaneously, change components and parts, saved the time of maintenance, improved maintenance efficiency, thereby make things convenient for people to use.

Description

Safe waterproof knife switch

Technical Field

The invention relates to the technical field of switch blades, in particular to a safe waterproof switch blade.

Background

The electric switch refers to a relatively large power switch, an electric leakage protection switch and a switch blade. The switch device is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the electric brake is in the separating position, the insulation distance and the obvious disconnection mark which meet the specified requirements are arranged between the contacts; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position.

The electric brake switch is the simplest one of low-voltage manually operated switching appliances, and is commonly used in circuits which are not operated frequently. In order to automatically interrupt the circuit in the event of a short circuit or overload, a switch is usually used in series with a fuse. The switch and fuse are sometimes combined into one element, called a low-voltage load switch.

The switch blade switch plays an important role in daily life and industrial development of people, in the installation process of the switch blade switch, the whole shell needs to be dismounted at present to be connected, a detachable connecting cover is additionally arranged on one part of the shell through improvement, but the detachable connecting cover has the defects of easy loss and the like, and in rainy seasons, water attached to a wall body easily enters the switch blade switch along the wall body to cause short circuit and even fire, so that the safe waterproof switch blade is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a safe waterproof knife switch.

In order to achieve the purpose, the invention adopts the following technical scheme:

designing a safe waterproof knife switch, comprising a shell, wherein mounting plates are arranged on two sides of the shell, wire inlet mechanisms are arranged on two sides of the shell below the mounting plates, a frame body and a mounting block are respectively arranged above the two mounting plates, a moving block is placed in the frame body, a first spring is arranged between one side of the moving block and the frame body, a moving rod is arranged on the other side of the moving block, one end of the moving rod penetrates through the other side of the frame body and extends out to be movably connected with a cover plate, the cover plate is positioned right above the shell, the other end of the cover plate is positioned on one side of the mounting block, a positioning hole is arranged on one side of the mounting block, a positioning block corresponding to the positioning hole is arranged at the other end of the cover plate, the positioning block is positioned in the positioning hole, a fixing groove is arranged above the shell, a, the bottom in the shell is connected with the knife switch main body through a fixing mechanism.

Preferably, inlet wire mechanism is including setting up the entrance hole in casing one side, the outside of casing is equipped with the drum, the one end of drum is equipped with the end cover, the drum internal fixation has the rubber buffer, the center department of rubber buffer and the center department of end cover all are equipped with the through-hole that corresponds with the entrance hole.

Preferably, fixed establishment is including setting up the spacing frame of bottom in the casing, the bottom setting of plug-in strip main part is in spacing frame, the top equidistance of spacing frame is equipped with a plurality of fixed columns, the upper end of fixed column is equipped with the limiting plate, the cover is equipped with the fly leaf on the fixed column, the cover is equipped with the third spring on the fixed column between the top of fly leaf and the limiting plate, one side of plug-in strip main part is equipped with the logical groove that corresponds with the fly leaf, the one end setting of fly leaf is leading to the inslot.

Preferably, bottom equidistance in the casing is equipped with a plurality of mounting grooves, the mounting groove internal fixation has the second spring, the upper end of second spring offsets with the bottom of plug-in strip main part.

Preferably, the two sides of the shell are provided with fixing plates, and the center of each fixing plate is provided with a fixing hole.

Preferably, a handle is fixed above the cover plate, an anti-slip sleeve is sleeved on the handle, and the anti-slip sleeve is fixedly connected with the handle.

Preferably, the cover plate is an insulating cover plate, and the shell is an insulating shell.

The safe waterproof switch knife provided by the invention has the beneficial effects that: in the invention, under the action of a first spring, a moving block is pushed to move, a moving rod is driven by the moving block to push a cover plate to move, a positioning block at one end of the cover plate enters a positioning hole to fix the cover plate, a fixing groove above a shell is used for installing a sealing ring, the upper end of the sealing ring is abutted against the cover plate to seal a gap between the cover plate and the shell, water is prevented from entering the shell to be contacted with a switch blade main body to cause short circuit, a fixing column is arranged on a limiting frame to enable a movable plate to slide up and down on the fixing column, a limiting plate is used for limiting a third spring, under the action of a third spring, the movable plate is pushed to enter a through groove to further achieve the purpose of fixing the switch blade main body, and the aim of installing and disassembling the switch blade main body is facilitated, and then made things convenient for people to maintain, reduced the time of maintenance, this device reasonable in design, convenient operation through the setting of sealing washer to prevent that water from contacting with the wire part of plug-in strip, and then avoided the condition of short circuit to take place, reached the purpose of protection plug-in strip, conveniently dismantle the plug-in strip main part simultaneously, change components and parts, saved the time of maintenance, improved maintenance efficiency, thereby make things convenient for people to use.

Drawings

Fig. 1 is a schematic structural view of a safe waterproof knife switch according to the present invention;

fig. 2 is an enlarged schematic structural view of a safety waterproof blade shown in fig. 1;

fig. 3 is an enlarged schematic structural diagram of a safety waterproof blade shown in fig. 1 at B.

In the figure: the anti-skidding type knife switch comprises an installation plate 1, a frame body 2, a first spring 3, a moving block 4, a moving rod 5, a cover plate 6, a handle 7, an anti-skidding sleeve 8, a fixing groove 9, a sealing ring 10, a positioning block 11, a positioning hole 12, an installation block 13, a fixing plate 14, a fixing hole 15, a wire inlet hole 16, a shell 17, an installation groove 18, a second spring 19, a knife switch main body 20, a limiting frame 21, a limiting plate 22, a third spring 23, a fixing column 24, a moving plate 25, a through groove 26, an end cover 27, a through hole 28, a rubber plug 29.

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.

Referring to fig. 1-3, a safe waterproof knife switch comprises a housing 17, wherein mounting plates 1 are arranged on two sides of the housing 17, wire inlet mechanisms are arranged on two sides of the housing 17 below the mounting plates 1, each wire inlet mechanism comprises a wire inlet hole 16 arranged on one side of the housing 17, a cylinder 30 is arranged on the outer side of the housing 17, an end cover 27 is arranged at one end of each cylinder 30, a rubber plug 29 is fixed in each cylinder 30, through holes 28 corresponding to the wire inlet holes 16 are formed in the centers of the rubber plugs 29 and the end covers 27, fixing plates 14 are arranged on two sides of the housing 17, a fixing hole 15 is formed in the center of each fixing plate 14, the mounting plates 1 are arranged through the housings 17, the wire inlet holes 16 are formed in the side surfaces of the housing 17, so that wires can conveniently enter the housing 17, the cylinders 30 are arranged through the housings 17, the cylinders 30 are used for mounting the rubber plugs 29, the rubber, then, the fixing plate 14 is provided through the housing 17, and the fixing hole 15 of the fixing plate 14 is passed through, thereby fixing the housing 17, under the pressing of the rubber stopper 29 for the purpose of sealing.

A frame body 2 and an installation block 13 are respectively arranged above the two installation plates 1, a moving block 4 is arranged in the frame body 2, a first spring 3 is arranged between one side of the moving block 4 and the frame body 2, a moving rod 5 is arranged on the other side of the moving block 4, one end of the moving rod 5 penetrates through the other side of the frame body 2 and extends out to be movably connected with a cover plate 6, the cover plate 6 is positioned right above a shell 17, the other end of the cover plate 6 is positioned on one side of the installation block 13, one side of the installation block 13 is provided with a positioning hole 12, the other end of the cover plate 6 is provided with a positioning block 11 corresponding to the positioning hole 12, the positioning block 11 is positioned in the positioning hole 12, a fixing groove 9 is arranged above the shell 17, a sealing ring 10 is arranged in the fixing groove 9, the upper end of the sealing ring 10 abuts against the bottom of the cover plate 6, a handle 7, the apron 6 is insulating cover plate, casing 17 is insulating housing, be used for installation framework 2 and installation piece 13 through mounting panel 1, be used for installing movable block 4 in the framework 2, under the effort of first spring 3, thereby promote movable block 4 to remove, thereby drive the carriage release lever 5 through movable block 4 and promote apron 6 to remove, locating piece 11 through 6 one end of apron enters into locating hole 12 in, thereby reach the fixed purpose with apron 6, fixed slot 9 of casing 17 top is used for installing sealing washer 10, upper end through sealing washer 10 offsets with apron 6, thereby reach the purpose of sealing up the gap between apron 6 and the casing 17, prevent that water from entering into in the casing 17 and contact with plug-in strip main part 20, and then cause the short circuit, through the setting of handle 7, thereby conveniently operate apron 6.

The bottom in the shell 17 is connected with the switch blade main body 20 through a fixing mechanism, the fixing mechanism comprises a limiting frame 21 arranged at the bottom in the shell 17, the bottom of the switch blade main body 20 is arranged in the limiting frame 21, a plurality of fixing columns 24 are equidistantly arranged above the limiting frame 21, a limiting plate 22 is arranged at the upper end of each fixing column 24, a movable plate 25 is sleeved on each fixing column 24, a third spring 23 is sleeved on each fixing column 24 between the upper part of each movable plate 25 and the corresponding limiting plate 22, a through groove 26 corresponding to the corresponding movable plate 25 is arranged on one side of the switch blade main body 20, one end of each movable plate 25 is arranged in the corresponding through groove 26, a plurality of mounting grooves 18 are equidistantly arranged at the bottom in the shell 17, a second spring 19 is fixed in each mounting groove 18, the upper end of each second spring 19 abuts against the bottom of the switch blade main body 20, the switch blade main body 20 is limited through the arrangement, make fly leaf 25 slide from top to bottom on fixed column 24, carry on spacingly to third spring 23 through limiting plate 22, under the effort of third spring 23 to promote fly leaf 25 and enter into logical inslot 26, and then reach the fixed purpose with plug-in strip main part 20, made things convenient for the purpose of installing and dismantling plug-in strip main part 20, and then made things convenient for people to maintain, reduced the time of maintenance.

In the invention, a cylinder 30 is used for installing a rubber plug 29, the rubber plug 29 is limited through an end cover 27, a lead passes through a through hole 28 and then is extruded by the rubber plug 29 to achieve the purpose of sealing, under the action force of a first spring 3, a moving block 4 is pushed to move, a moving rod 5 is driven by the moving block 4 to push a cover plate 6 to move, a positioning block 11 at one end of the cover plate 6 enters a positioning hole 12 to achieve the purpose of fixing the cover plate 6, a fixing groove 9 above a shell 17 is used for installing a sealing ring 10 and abuts against the cover plate 6 through the upper end of the sealing ring 10 to achieve the purpose of sealing a gap between the cover plate 6 and the shell 17, water is prevented from entering the shell 17 to contact with a switch blade main body 20 to cause short circuit and achieve the purpose of protecting the switch blade, and the switch blade main body 20 is limited through the arrangement of a limiting frame 21, set up fixed column 24 through spacing frame 21 for fly leaf 25 slides from top to bottom on fixed column 24, carries on spacingly to third spring 23 through limiting plate 22, under the effort of third spring 23, thereby promote fly leaf 25 and enter into logical inslot 26, and then reach the purpose of fixing plug-in strip main part 20, made things convenient for the purpose of installing and dismantling plug-in strip main part 20, and then made things convenient for people to maintain, reduced the time of maintenance.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a safe waterproof plug-in strip, includes casing (17), its characterized in that, the both sides of casing (17) are equipped with mounting panel (1), the both sides of casing (17) of the below of mounting panel (1) are equipped with inlet wire mechanism, inlet wire mechanism is including setting up entrance hole (16) in casing (17) one side, the outside of casing (17) is equipped with drum (30), the one end of drum (30) is equipped with end cover (27), drum (30) internal fixation has rubber buffer (29), the center department of rubber buffer (29) and the center department of end cover (27) all are equipped with through-hole (28) that correspond with entrance hole (16), one the top of mounting panel (1) is equipped with framework (2), another the top of mounting panel (1) is equipped with installation piece (13), movable block (4) have been placed in framework (2), be equipped with first spring (3) between one side of movable block (4) and framework (2), a moving rod (5) is arranged on the other side of the moving block (4), one end of the moving rod (5) penetrates through the other side of the frame body (2) and extends out to be movably connected with a cover plate (6), the cover plate (6) is positioned right above the shell (17), the other end of the cover plate (6) is positioned on one side of the mounting block (13), one side of the mounting block (13) is provided with a positioning hole (12), the other end of the cover plate (6) is provided with a positioning block (11) corresponding to the positioning hole (12), the positioning block (11) is positioned in the positioning hole (12), a fixing groove (9) is arranged above the shell (17), a sealing ring (10) is installed in the fixing groove (9), the upper end of the sealing ring (10) is abutted against the bottom of the cover plate (6), and the bottom in the shell (17) is connected with a knife switch main body (, the fixing mechanism comprises a limiting frame (21) arranged at the bottom in the shell (17), the bottom of the switch blade main body (20) is arranged in the limiting frame (21), a plurality of fixing columns (24) are arranged above the limiting frame (21) at equal intervals, a limiting plate (22) is arranged at the upper end of each fixing column (24), a movable plate (25) is sleeved on each fixing column (24), a third spring (23) is sleeved on each fixing column (24) between the upper portion of each movable plate (25) and the corresponding limiting plate (22), a through groove (26) corresponding to each movable plate (25) is formed in one side of the switch blade main body (20), and one end of each movable plate (25) is arranged in the corresponding through groove (26); a plurality of mounting grooves (18) are equidistantly formed in the bottom of the shell (17), a second spring (19) is fixedly arranged in each mounting groove (18), and the upper end of each second spring (19) is abutted against the bottom of the knife switch main body (20); fixing plates (14) are arranged on two sides of the shell (17), and a fixing hole (15) is formed in the center of each fixing plate (14); a handle (7) is fixed above the cover plate (6), an anti-skidding sleeve (8) is sleeved on the handle (7), and the anti-skidding sleeve (8) is fixedly connected with the handle (7); the cover plate (6) is an insulating cover plate, and the shell (17) is an insulating shell.