CN211125522U

CN211125522U - Integral flame-retardant leakage air switch

Info

Publication number: CN211125522U
Application number: CN201922456174.XU
Authority: CN
Inventors: 刘伯强
Original assignee: Hebei Huanengyuan Electric Power Equipment Co ltd
Current assignee: Hebei Huanengyuan Electric Power Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-28
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a fire-retardant electric leakage air switch of integral type relates to air switch technical field, specifically is a fire-retardant electric leakage air switch of integral type, including protecting sheathing, sealing top cap, protecting sheathing's left side movable mounting has three dead lever, and the one end fixed mounting of three dead lever has the fixed buckle that is located protecting sheathing inside, and is three the outside movable mounting of dead lever has the reset spring who is located protecting sheathing left. This fire-retardant electric leakage air switch of integral type, when the temperature controller detected that the device internal temperature surpassed normal range, two electro-magnets of temperature controller control circular telegrams to the electro-magnet that makes both sides has magnetism, thereby adsorbs the armature on push rod top and removes to the left side, and armature promotes the push rod and removes to the left side, promotes the closing plate and rotates along the axis of rotation left side, seals the louvre, prevents the entering of air, reduces the inside probability of taking place spontaneous combustion of the device.

Description

Integral flame-retardant leakage air switch

Technical Field

The utility model relates to an air switch technical field specifically is a fire-retardant hourglass electric air switch of integral type.

Background

An air switch, also called an air circuit breaker, is a kind of circuit breaker, and is a switch which can automatically break off as long as the current in the circuit exceeds the rated current, and the air switch is an important electric appliance in a low-voltage distribution network and an electric power dragging system, integrates control and various protection functions, and can protect the short circuit, serious overload, undervoltage and the like of the circuit or the electric equipment besides completing the contact and breaking of the circuit.

Because air switch long-time work makes inside electronic component accumulate a large amount of heats easily to make air switch take place the spontaneous combustion easily, current part air switch adopts fire-retardant shell to carry out fire-retardant usually, does not have fine flame retardant efficiency to the inside electronic component of air switch, makes air switch take place to damage easily, in addition, current part air switch adopts the screw rod to fix usually, and the installation difficulty, and installation time is longer.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire-retardant electric leakage air switch of integral type has advantages such as flame retardant efficiency is good, simple to operate, improvement life, has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

For the purpose that flame retardant efficiency is good, simple to operate, improve life more than realizing, the utility model discloses a following technical scheme realizes: an integrated flame-retardant leakage air switch comprises a protective shell and a sealing top cover, wherein three fixed rods are movably mounted on the left side of the protective shell, one ends of the three fixed rods are fixedly provided with fixed buckles positioned in the protective shell, reset springs positioned on the left side of the protective shell are movably mounted on the outer portions of the three fixed rods, one ends of the three fixed rods are fixedly provided with press plates positioned on the left side of the reset springs, connecting buckles are fixedly mounted on the left side and the right side of an inner cavity of the sealing top cover, the top ends of the connecting buckles and the fixed buckles are provided with inclined planes matched with each other, an electromagnet is fixedly mounted at the bottom of the inner cavity of the protective shell, two fixed blocks positioned on the front side of the electromagnet are fixedly mounted at the bottom of the inner cavity of the protective shell, a push rod, the outside activity of push rod has cup jointed the compression spring who is located between fixed block and the armature, the louvre has been seted up on the right side of protecting sheathing, and the inside movable mounting on protecting sheathing right side has the closing plate, the closing plate is located the left side of louvre, the bottom fixed mounting of protecting sheathing inner chamber has the air switch main part.

Preferably, dead lever, fixed buckle, reset spring mirror image distribution in protecting sheathing's left and right sides, the bottom fixed mounting of fixed buckle has the limiting plate of left surface and the inboard contact of protecting sheathing.

Preferably, four corners of the bottom of the sealing top cover are fixedly provided with guide columns, four corners of the top of the protective shell are provided with guide grooves matched with the guide columns at the bottom of the sealing top cover, and the top of the protective shell and the bottom of the sealing top cover are fixedly provided with sealing rings.

Preferably, the electromagnets, the fixed blocks and the push rods are distributed on the front side and the rear side of the inner cavity of the protective shell in a mirror image mode, the armatures at the top ends of the two push rods are respectively positioned on the left sides of the two electromagnets, and the two armatures are arranged in parallel with the bottom of the protective shell.

Preferably, the outer portion of the push rod is fixedly provided with a limiting ring located on the right side of the fixing block, and the diameter value of the push rod is identical to the inner diameter value of the fixing block.

Preferably, a gasket is fixedly mounted on the inner side of the sealing plate.

(III) advantageous effects

The utility model provides a fire-retardant electric leakage air switch of integral type possesses following beneficial effect:

1. this fire-retardant electric leakage air switch of integral type, when the temperature controller detects the inside temperature of the device and surpasss normal range, two electro-magnets of temperature controller control circular telegrams, thereby make the electro-magnet of both sides have magnetism, thereby adsorb the armature on push rod top and remove to the left side, armature promotes the push rod and removes to the left side, promote the closing plate and rotate along the axis of rotation left side, seal the louvre, prevent the entering of air, reduce the inside probability of taking place the spontaneous combustion of the device, and then improved the device's life, and simultaneously, the device junction fixed mounting has the sealing washer, and then the entering of air when having reduced the closing plate and sealing, the probability that the spontaneous combustion takes place for the device has.

2. This fire-retardant hourglass electric air switch of integral type, the outside movable mounting of dead lever has reset spring, make a plurality of dead levers remove along the horizontal direction, and then drive fixed buckle and remove about, the matched with inclined plane has been seted up with fixed buckle top to connect buckle, extrude fixed buckle downwards through connect buckle, make two fixed buckles remove to the inboard, and then make two connect buckle cards advance inside fixed buckle, fix sealed top cap, the restriction to connect buckle is relieved through the dead lever of pressing both sides, make sealed top cap break away from, make the device can install at will, the degree of difficulty of installation has been reduced, the efficiency of installation has been improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of the driving seal of the present invention.

In the figure: 1. a protective housing; 2. sealing the top cover; 3. connecting a buckle; 4. fixing the rod; 5. fixing the buckle; 6. a return spring; 7. an air switch main body; 8. an electromagnet; 9. a fixed block; 10. a push rod; 11. A compression spring; 12. a sealing plate; 13. and (7) a temperature controller.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: an integrated flame-retardant leakage air switch comprises a protective shell 1 and a sealing top cover 2, wherein three fixed rods 4 are movably arranged on the left side of the protective shell 1, fixed buckles 5 positioned inside the protective shell 1 are fixedly arranged at one ends of the three fixed rods 4, a reset spring 6 positioned on the left side of the protective shell 1 is movably arranged outside the three fixed rods 4, a pressing plate positioned on the left side of the reset spring 6 is fixedly arranged at one end of the three fixed rods 4, the fixed buckles 5 and the reset spring 6 are distributed on the left side and the right side of the protective shell 1 in a mirror image manner, a limiting plate with the left side surface contacted with the inner side of the protective shell 1 is fixedly arranged at the bottom of the fixed buckles 5, the reset spring 6 is movably arranged outside the fixed rods 4, a plurality of fixed rods 4 can move left and right along the horizontal direction, the fixed buckles 5, the fixing buckles 5 are downwards extruded by the connecting buckles 3, so that the two fixing buckles 5 move inwards, and then the two connecting buckles 3 are clamped into the fixing buckles 5 to fix the sealing top cover 2, the limitation on the connecting buckles 3 is removed by pressing the fixing rods 4 at two sides, so that the sealing top cover 2 can be separated, the device can be randomly installed, the installation difficulty is reduced, the installation efficiency is improved, the connecting buckles 3 are fixedly installed at the left side and the right side of the inner cavity of the sealing top cover 2, guide posts are fixedly installed at four corners of the bottom of the sealing top cover 2, guide grooves matched with the guide posts at the bottom of the sealing top cover 2 are formed at four corners of the top of the protective shell 1, sealing rings are fixedly installed at the top of the protective shell 1 and the bottom of the sealing top cover 2, and the positions of the sealing top cover 2 and the protective shell 1 are limited by the, the installation accuracy is ensured, the sealing ring at the top of the protective shell 1 and the bottom of the sealing top cover 2 ensures the sealing performance of the device, the air entering when the sealing plate 12 is sealed is reduced, the spontaneous combustion probability of the device is further reduced, the top ends of the connecting buckle 3 and the fixed buckle 5 are provided with mutually matched inclined planes, the bottom of the inner cavity of the protective shell 1 is fixedly provided with the electromagnet 8, the bottom of the inner cavity of the protective shell 1 is fixedly provided with two fixed blocks 9 positioned on the front side of the electromagnet 8, the middle part of each fixed block 9 is movably sleeved with the push rod 10, the outer part of the push rod 10 is fixedly provided with the limit ring positioned on the right side of the fixed block 9, the diameter value of the push rod 10 is the same as the inner diameter value of the fixed block 9, the position of the push rod 10 is limited by the limit ring, the compression spring 11 is prevented, the sealing device is disabled, the outer diameter of the push rod 10 is the same as the inner diameter of the fixed block 9, the shaking probability of the push rod 10 during moving is reduced, the push rod 10 can be ensured to push the sealing plate 12 to seal the device, the probability of spontaneous combustion is reduced, one end of the push rod 10 is fixedly provided with armatures positioned on the left side of the fixed block 9, the compression springs 11 positioned between the fixed block 9 and the armatures are movably sleeved outside the push rod 10, the electromagnets 8, the fixed block 9 and the push rod 10 are distributed on the front side and the rear side of the inner cavity of the protective shell 1 in a mirror image mode, the armatures at the top ends of the two push rods 10 are respectively positioned on the left sides of the two electromagnets 8 and are arranged in parallel to the bottom of the protective shell 1, when the temperature controller 13 detects that the internal temperature of the device exceeds a normal range, armature promotes push rod 10 and removes to the left side, promote closing plate 12 and rotate along the axis of rotation left side, seal the louvre, prevent the entering of air, reduce the inside probability of taking place the spontaneous combustion of the device, and then the life of the device has been improved, the louvre has been seted up on the right side of protecting sheathing 1, and the inside movable mounting on protecting sheathing 1 right side has closing plate 12, closing plate 12 is located the left side of louvre, the inboard fixed mounting of closing plate 12 has sealed the pad, guaranteed that the closing plate 12 can not continue to get into the device when sealed inside, the content of the inside air of the device has been reduced, and then the inside probability of taking place the spontaneous combustion of the device has been reduced, the bottom fixed mounting of protecting sheathing 1 inner chamber has.

In conclusion, when the integrated flame-retardant leakage air switch is used, the reset spring 6 is movably installed outside the fixed rod 4, the fixed rod 4 can move left and right along the horizontal direction, so as to drive the fixed buckle 5 to move left and right, the tops of the connecting buckle 3 and the fixed buckle 5 are provided with matched inclined planes, the fixed buckle 5 is pressed downwards through the connecting buckle 3, so that the two fixed buckles 5 move inwards, so that the two connecting buckles 3 are clamped into the fixed buckles 5, the sealing top cover 2 is fixed, the limit on the connecting buckle 3 is released by pressing the fixed rods 4 at the two sides, the sealing top cover 2 can be separated, so that the integrated flame-retardant leakage air switch can be installed at will, when the temperature controller 13 detects that the internal temperature of the integrated flame-retardant leakage air switch exceeds the normal range, the temperature controller 13 controls the two electromagnets 8 to be electrified, so that the electromagnets 8 at, armature promotes push rod 10 and removes to the left side, promotes closing plate 12 and rotates along the axis of rotation left side, seals the louvre, prevents the entering of air, and the device junction fixed mounting has the sealing washer, and then has reduced the entering of air when closing plate 12 seals, regularly overhauls the device, can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire-retardant electric leakage air switch of integral type, includes protecting sheathing (1), sealing top cap (2), its characterized in that: the left side movable mounting of protecting sheathing (1) has three dead lever (4), and the one end fixed mounting of three dead lever (4) has fixed buckle (5) that is located protecting sheathing (1) inside, the outside movable mounting of three dead lever (4) has reset spring (6) that is located protecting sheathing (1) left, the one end fixed mounting of three dead lever (4) has the board that is located reset spring (6) left, the left and right sides fixed mounting of sealed top cap (2) inner chamber has connection buckle (3), the inclined plane of mutually supporting is seted up with the top of fixed buckle (5) to connection buckle (3), the bottom fixed mounting of protecting sheathing (1) inner chamber has electro-magnet (8), and the bottom fixed mounting of protecting sheathing (1) inner chamber has two fixed block (9) that are located electro-magnet (8) openly, push rod (10) have been cup jointed in the middle part activity of fixed block (9), the one end fixed mounting of push rod (10) has the armature that is located fixed block (9) left, compression spring (11) that are located between fixed block (9) and the armature have been cup jointed in the outside activity of push rod (10), the louvre has been seted up on the right side of protecting sheathing (1), and the inside movable mounting on protecting sheathing (1) right side has closing plate (12), closing plate (12) are located the left side of louvre, protecting sheathing (1) inner chamber's bottom fixed mounting has air switch main part (7).

2. The integrated flame-retardant leakage air switch according to claim 1, wherein: dead lever (4), fixed buckle (5), reset spring (6) mirror image distribution in the left and right sides of protecting sheathing (1), the bottom fixed mounting of fixed buckle (5) has the limiting plate of left surface and the inboard contact of protecting sheathing (1).

3. The integrated flame-retardant leakage air switch according to claim 1, wherein: the four corners fixed mounting of seal cap (2) bottom has the guide post, the guide way with seal cap (2) bottom guide post matched with has been seted up in the four corners at protecting sheathing (1) top, the top of protecting sheathing (1) and the bottom fixed mounting of seal cap (2) have the sealing washer.

4. The integrated flame-retardant leakage air switch according to claim 1, wherein: the electromagnets (8), the fixed blocks (9) and the push rods (10) are distributed on the front side and the rear side of the inner cavity of the protective shell (1) in a mirror image mode, the armatures on the top ends of the two push rods (10) are respectively located on the left sides of the two electromagnets (8), and the armatures are arranged in parallel with the bottom of the protective shell (1).

5. The integrated flame-retardant leakage air switch according to claim 1, wherein: the outside fixed mounting of push rod (10) has the spacing ring that is located fixed block (9) right side, the diameter value of push rod (10) is the same with the internal diameter value of fixed block (9).

6. The integrated flame-retardant leakage air switch according to claim 1, wherein: and a sealing gasket is fixedly arranged on the inner side of the sealing plate (12).