CN218730738U

CN218730738U - Protective shell of closed current breaker

Info

Publication number: CN218730738U
Application number: CN202223139248.5U
Authority: CN
Inventors: 方勇
Original assignee: Wuhan Pusidi Power Technology Co ltd
Current assignee: Wuhan Pusidi Power Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-24
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to a protection technology field, specifically speaking relates to a closed current circuit breaker's protecting crust, including the casing, casing internally mounted has the circuit breaker body, and one side of casing is provided with the apron, and the casing seals the circuit breaker body with the apron vacuole formation, and the access hole has been seted up to one side of apron, and access hole department is connected with waterproof frame, and it is provided with the closing plate to slide in the slide opening that waterproof frame upside was seted up, and the inside downside of waterproof frame is provided with the seal groove. The utility model discloses, utilize the length of waterproof frame extension apron access hole, further prevent that the rainwater from getting into, when the closing plate upwards slides in the slide opening, can maintain the circuit breaker body when not dismantling the apron, thereby avoid repeated dismantlement to lead to apron and casing to be connected not tight and lead to the rainwater to get into, when the closing plate slides downwards, make closing plate and seal groove grafting cooperation, seal up the access hole, prevent that the rainwater from getting into.

Description

Protective shell of closed current breaker

Technical Field

The utility model relates to a protection technology field, specifically speaking relates to a closed current circuit breaker's protecting crust.

Background

An air circuit breaker is an electric appliance which is very important in a low-voltage distribution network and an electric power dragging system, integrates control and multiple protection functions, can complete the contact and the disconnection of a circuit, and can protect short circuit, severe overload, undervoltage and the like of the circuit or electric equipment.

The retrieved bulletin numbers are: CN206301749U discloses an air switch protection casing, this air switch protection casing be non-metallic material and include the casing and rotationally connect in the dustcoat of this casing, the cavity has been injectd to dustcoat and casing, the dustcoat with the open end of casing seals the circuit breaker through buckle structure, and the dustcoat passes through hinge connection with the opposite side of casing.

However, the above patent has some disadvantages when in use, and because the outer cover is connected with the shell through the hinge, a gap exists at the connection position of the outer cover and the shell, if it is rainy, rainwater easily flows into a cavity defined by the outer cover and the shell from the gap, although a drain hole is formed in the cavity, the rainwater can contact with the circuit breaker, the waterproof effect is poor, and secondly, when the circuit breaker needs to be maintained, the whole outer cover needs to be turned upwards, the outer cover is easy to be clamped with the shell loosely when being reset, so that the rainwater can enter more easily, and therefore, the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed current circuit breaker's protecting crust to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a closed current circuit breaker's protecting crust, which comprises a housin, casing internally mounted has the circuit breaker body, one side of casing is provided with the apron, the casing seals the circuit breaker body with apron vacuole formation, the access hole has been seted up to one side of apron, access hole department is connected with waterproof frame, it is provided with the closing plate to slide in the slide opening that waterproof frame upside was seted up, the inside downside of waterproof frame is provided with the seal groove, the closing plate is pegged graft with the seal groove through sliding from top to bottom and is sealed waterproof frame.

As a further improvement of the technical scheme, a top plate is arranged at the upper end of the sealing plate, a through hole is formed in one side of the top plate, slide rods are symmetrically arranged at the upper end of the waterproof frame, the top plate slides on the slide rods through the through hole, elastic pieces are sleeved on the slide rods, and the elastic pieces are located on the upper side of the top plate.

As a further improvement of the technical scheme, the other side of the top plate is obliquely arranged, and the top plate is obliquely arranged to prevent the waterproof frame from being water.

As a further improvement of the technical scheme, the upper end of the shell is symmetrically provided with supporting rods, the upper end of each supporting rod is provided with a sliding groove, a fixing piece is arranged in each sliding groove in a sliding mode, and when the sealing plate slides to the uppermost end, the fixing piece limits the sealing plate.

As a further improvement of the technical scheme, symmetrical jacks are formed in one side of the top plate, one end of the fixing piece is in plug-in fit with the jacks, and when the sealing plate is located inside the waterproof frame, the fixing piece fixes the sealing plate.

As a further improvement of the technical scheme, mounting grooves are formed in the two sides of the shell, and the frames on the two sides of the cover plate are in plug-in fit with the mounting grooves.

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

in this closed current breaker's protecting crust, the cooperation through casing and apron seals the circuit ware body, thereby prevent that the rainwater from getting into, set up waterproof frame in apron one side simultaneously, waterproof frame extension apron access hole's length, further prevent that the rainwater from getting into, when the closing plate upwards slides in the slide opening, can maintain the circuit breaker body when not dismantling the apron, thereby avoid repeated dismantlement to lead to apron and casing to be connected not tight and lead to the rainwater to get into, when the closing plate glides downwards, make closing plate and seal groove grafting cooperation, seal the access hole, prevent that the rainwater from getting into.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;

fig. 2 is a second schematic view of the overall structure of the embodiment of the present invention;

fig. 3 is a schematic structural view of a sealing plate according to an embodiment of the present invention;

fig. 4 is a view for separating the housing and the cover plate structure according to the embodiment of the present invention.

The various reference numbers in the figures mean:

1. a housing; 11. mounting grooves; 12. a support bar; 2. a cover plate; 3. a fixing member; 4. a waterproof frame; 41. a sealing groove; 5. a sealing plate; 51. a top plate; 52. a jack; 6. a slide bar; 61. an elastic member; 7. a circuit breaker body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

An embodiment, please refer to fig. 1-4, this embodiment provides a protective shell of a closed current breaker, including a housing 1, a breaker body 7 is installed inside the housing 1, a cover plate 2 is disposed on one side of the housing 1, the housing 1 and the cover plate 2 form a cavity to seal the breaker body 7, an access hole is opened on one side of the cover plate 2, mounting grooves 11 are opened on both sides of the housing 1, frames on both sides of the cover plate 2 are in plugging fit with the mounting grooves 11, the housing 1 is mounted on a wall or a suitable position, the breaker body 7 is mounted on the housing 1, a frame of the cover plate 2 is inserted in the mounting grooves 11 in a plugging manner, the connection between the cover plate 2 and the housing 1 is strengthened by bolts, the breaker body 7 is sealed by the cover plate 2 and the housing 1, rainwater is prevented from entering, and the access hole for maintenance is opened on one side of the cover plate 2 for convenience of maintenance.

In order to cause the influence to circuit breaker body 7 inside the mode rainwater gets into from the access hole, access hole department is connected with waterproof frame 4, it is provided with closing plate 5 to slide in the slide opening that waterproof frame 4 upside was seted up, the inside downside of waterproof frame 4 is provided with seal groove 41, closing plate 5 pegs graft with seal groove 41 through sliding from top to bottom and seals waterproof frame 4, utilize the length of waterproof frame 4 extension access hole, prevent that the rainwater from getting into, shelter from the access hole through closing plate 5 simultaneously, when closing plate 5 upwards slides in the slide opening, spill the convenience and maintain circuit breaker body 7 with the access hole, shelter from the access hole when closing plate 5 slides and gets into inside waterproof frame 4, prevent that the rainwater from getting into, secondly, maintain circuit breaker body 7 through the access hole, avoided dismantling apron 2, if apron 2 repeated dismantlement causes the condition not tight with casing 1 block easily, thereby cause the inside condition emergence of rainwater entering.

When the sealing plate 5 blocks the access hole, in order to prevent the sealing plate 5 from sliding freely in the sliding hole, a top plate 51 is arranged at the upper end of the sealing plate 5, a through hole is formed in one side of the top plate 51, sliding rods 6 are symmetrically arranged at the upper end of the waterproof frame 4, the top plate 51 slides on the sliding rods 6 through the through hole, elastic members 61 are sleeved on the sliding rods 6, the elastic members 61 are located at the upper side of the top plate 51, when the sealing plate 5 slides upwards, the top plate 51 slides on the sliding rods 6, the top plate 51 extrudes the elastic members 61, the elastic members 61 are in a contraction state, after the elastic members 61 lose force, the sealing plate 5 is driven to reset, the elastic members 61 tightly support the sealing plate 5, the stability of the sealing plate 5 is enhanced, the waterproof effect is improved, and the elastic members 61 can preferably adopt elastic materials in the fields such as metal springs or compression springs.

Further, jack 52 of symmetry is seted up on roof 51 one side, and the one end of mounting 3 is pegged graft with jack 52 and is cooperated, and mounting 3 fixes closing plate 5 when closing plate 5 is located waterproof frame 4 inside, and when closing plate 5 was pegged graft with seal groove 41, passes jack 52 with mounting 3 and inserts the upper end at waterproof frame 4 to fix closing plate 5 on waterproof frame 4, strengthen closing plate 5's stability.

It is worth mentioning that, when the sealing plate 5 slides upwards to leak the access hole, in order to fix the sealing plate 5 at a designated position for convenient maintenance, the upper end of the casing 1 is symmetrically provided with the supporting rods 12, the upper end of the supporting rods 12 is provided with a sliding groove, the sliding groove is internally provided with the fixing member 3, when the sealing plate 5 slides to the uppermost end, the fixing member 3 limits the sealing plate 5, the sliding groove sliding fixing member 3 arranged on the supporting rods 12 enables the fixing member 3 to be positioned at the lower side of the top plate 51 and supports and limit the top plate 51, thereby ensuring that the sealing plate 5 slides downwards without being affected by the elastic member 61.

If rainwater falls on the top plate 51, in order to guide the rainwater, the other side of the top plate 51 is obliquely arranged, the waterproof frame 4 is prevented from being waterproofed through the obliquely arranged top plate 51, and the flow rate of the rainwater is increased by utilizing the oblique side of the top plate 51, so that the rainwater is quickly discharged.

The utility model discloses a protective housing for circuit breaker when specifically using, seals circuit breaker body 7 through casing 1 and apron 2, if when needing to overhaul, extracts mounting 3 from jack 52, slides closing plate 5 upwards again to make roof 51 slide on slide bar 6 and extrude elastic component 61, after closing plate 5 slided to suitable position, put mounting 3 in the spout of bracing piece 12, the lower extreme that makes mounting 3 be located roof 51 one side through sliding supports spacing closing plate 5, and closing plate 5 spills by fixed access hole conveniently to maintain this moment;

after the maintenance is accomplished, take off mounting 3, make closing plate 5 reset after elastic component 61 loses power, the lower extreme of closing plate 5 is pegged graft in seal groove 41, can play the separation effect to the rainwater, thereby insert the upper end of waterproof frame 4 in jack 52 with the one end of mounting 3 again, strengthen the fixed to closing plate 5, further improvement water-proof effects.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A protective case of a closed type current breaker, comprising a case (1), characterized in that: casing (1) internally mounted has circuit breaker body (7), one side of casing (1) is provided with apron (2), casing (1) seals up circuit breaker body (7) with apron (2) vacuole formation, the access hole has been seted up to one side of apron (2), access hole department is connected with waterproof frame (4), it is provided with closing plate (5) to slide in the slide opening that waterproof frame (4) upside was seted up, the inside downside of waterproof frame (4) is provided with seal groove (41), closing plate (5) are pegged graft through upper and lower slip and seal groove (41) and are sealed waterproof frame (4).

2. The shield case of a closed type current breaker according to claim 1, wherein: the upper end of the sealing plate (5) is provided with a top plate (51), a through hole is formed in one side of the top plate (51), slide rods (6) are symmetrically arranged at the upper end of the waterproof frame (4), the top plate (51) slides on the slide rods (6) through the through hole, elastic pieces (61) are sleeved on the slide rods (6), and the elastic pieces (61) are located on the upper side of the top plate (51).

3. The shield case of a closed type current breaker according to claim 2, wherein: the other side of the top plate (51) is obliquely arranged, and the waterproof frame (4) is prevented from being waterproofed through the obliquely arranged top plate (51).

4. A shield case of a closed type current breaker according to claim 3, wherein: the casing (1) upper end symmetry is provided with bracing piece (12), the spout has been seted up to the upper end of bracing piece (12), it is provided with mounting (3) to slide in the spout, works as mounting (3) are spacing to closing plate (5) when closing plate (5) slide to the top.

5. The shield case of a closed type current breaker according to claim 4, wherein: symmetrical insertion holes (52) are formed in one side of the top plate (51), one end of the fixing piece (3) is matched with the insertion holes (52) in an inserted mode, and when the sealing plate (5) is located inside the waterproof frame (4), the fixing piece (3) fixes the sealing plate (5).

6. The shield case of a closed type current breaker according to claim 1, wherein: mounting grooves (11) are formed in the two sides of the shell (1), and frames on the two sides of the cover plate (2) are in plug-in fit with the mounting grooves (11).