CN209897464U

CN209897464U - Electrical fire monitoring equipment with novel sealing structure

Info

Publication number: CN209897464U
Application number: CN201821964646.1U
Authority: CN
Inventors: 王永军; 刘志宏; 张正勇
Original assignee: Shanghai Ran Neng Robotization Science And Technology Ltd
Current assignee: Shanghai Ran Neng Robotization Science And Technology Ltd
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-01-03
Anticipated expiration: 2028-11-27

Abstract

The utility model discloses an electric fire supervisory equipment with novel seal structure. This electrical fire supervisory equipment includes the box of open structure, the reason goes up the curb plate of every box and bends perpendicularly to the inboard and form narrow dull and stereotyped, bend perpendicularly to the inboard and form first short riser in the narrow dull and stereotyped, first short riser upper end bends certain angle to the outside and forms the outer board that turns over, two hinged-support lower extreme threaded connection are on narrow dull and stereotyped, it rotates for the hinged-support to rotate the cover revolute axle, the door closure includes the body of rectangle plate structure, the body is bent perpendicularly upwards and is formed with the short riser of second, be equipped with two sets of mounting holes on the short riser of second, the fixed body internal surface of elastic component. The utility model discloses have this elastic component sealed fixed chamber, it is sealed good, sealed chamber prevents the effect of corrosion.

Description

Electrical fire monitoring equipment with novel sealing structure

Technical Field

The utility model relates to an electric fire control field, in particular to electric fire supervisory equipment with novel seal structure.

Background

At present, the use of electrical equipment is more and more common, and the electrical fire caused by the electrical fire is more and more, and the most effective method for preventing the electrical fire is to install electrical fire monitoring equipment. A lot of current electrical equipment are arranged in the adverse circumstances of high wet excess heat steam of high dust, and current portal structure has airtight performance poor, and its defect lies in: firstly, moisture, steam, dust and the like easily enter the box, damage components such as a signal conversion element and a PCB (printed circuit board) or a display screen and the like, cause incapability of working, and cannot report a working state and a fault alarm in real time, so that the final purposes of protecting life and reducing property loss are achieved, and secondly, the moisture, the steam and the dust easily cause damage to electronic components, so that the service life is shortened; thirdly, moisture, steam and dust are easy to corrode or block the hinge element, so that the box door is not easy to open.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more of the above problems, the utility model provides an electric fire monitoring equipment with novel seal structure.

According to one aspect of the utility model, the electrical fire monitoring device comprises a box body with an open structure, the box body comprises a bottom plate, the periphery of the bottom plate is vertically bent upwards to form side plates, the bottom plate and the side plates surround to form a fixed cavity, the upper edge of each side plate is vertically bent inwards to form a narrow flat plate, the inner edge of the narrow flat plate is vertically bent upwards to form a first short vertical plate, the upper end of the first short vertical plate is bent outwards for a certain angle to form an outward turning plate,

the lower ends of the two hinged supports are in threaded connection with the narrow flat plate, the upper ends of the hinged supports are provided with two hollow cylinders, a discontinuous notch-shaped positioning groove is arranged between the two hollow cylinders, a rotating sleeve is placed in the positioning groove and is of a U-shaped structure, four threaded columns are arranged on the outer end face of the rotating sleeve,

the middle part of the rotating shaft is fixed on the rotating sleeve, and two ends of the rotating shaft are rotatably connected with the hollow cylinder, the rotating sleeve rotates relative to the hinged support around the rotating shaft,

the door cover comprises a body with a rectangular flat plate structure, the body is bent upwards vertically to form a second short vertical plate, two groups of mounting holes are arranged on one second short vertical plate, the position distribution of each group of mounting holes is matched with the threaded columns, the threaded fixing pieces are screwed into the threaded columns through the mounting holes, the door cover is opened in a rotating way relative to the box body,

the elastic piece is fixed on the inner surface of the body, the elastic piece is in rectangular cloth, the elastic piece and the outer turning plate are distributed in the same way, the longitudinal section of the elastic piece is in a semicircular arc shape, the outward turning plate can slide along the elastic piece,

when the door cover is closed, the narrow flat plate, the first short vertical plate, the outward turning plate, the elastic piece, the body and the second short vertical plate are mutually surrounded to form a sealed cavity, at the moment, the hinged support, the rotating sleeve and the rotating shaft are positioned in the sealed cavity, the elastic piece elastically covers the outward turning plate sealed fixed cavity,

the surface of the bottom plate is fixed with an electronic conversion element through a plurality of mounting columns, a display element is fixed on the door cover, and one end of the electronic conversion element is electrically connected with the detection sensor while the other end is electrically connected with the display element. The beneficial effects are as follows: firstly, the electric fire monitoring equipment adopts the elastic part to seal the fixed cavity, can completely fill the gap between two contact points, enables the electronic element in the fixed cavity to be in a closed state, keeps good performance, and has fast signal response and long service life; secondly, the sealing cavity is adopted for protection, and the hinged support, the rotating sleeve and the rotating shaft reduce the corrosion of the hinged element to the maximum extent; thirdly, the hinged support and the rotating sleeve which are of special structures are adopted, so that the rotation is flexible and convenient, the installation is convenient, and the fixation is firm.

In some embodiments, the side plate is provided with a plurality of threading holes at upper and lower sides thereof, and waterproof connectors are installed in the threading holes, and the electric wires are electrically connected with the electronic conversion element through the waterproof connectors.

In some embodiments, the bending angle of the outer turning plate is 30-60 degrees. The beneficial effects are as follows: the outer turnover plate within the angle range has good sealing effect and flexible rotation.

In some embodiments, a rectangular slot is formed in the middle of the rotating sleeve. The middle part of the rotating shaft is fixed in the rectangular slotted hole. The beneficial effects are as follows: the rectangular slot hole has simple structure, small volume and convenient installation.

In some embodiments, the body is provided with a profiling through hole and an operation button hole, the profiling through hole fixes the display element through the screen support, the display element is a display screen, the operation button hole is fixed with an operation button, and the upper end of the screen support is connected with the PCB through a fixing column.

In some embodiments, the screen support is a flat plate structure, three sides of the outer side of the screen support are provided with limiting plates, the display element is limited in a space surrounded by the limiting plates, two ends of the screen support are provided with lug plates, and the lug plates are connected with the body through threaded pieces.

In some embodiments, the threaded fastener includes a cap end having a diameter larger than the mounting hole, and a positioning post having a clearance fit with the mounting hole, the positioning post having an internal threaded hole formed therein, the internal threaded hole and the threaded post mating.

In some embodiments, the resilient member is a gasket made of a rubber material.

Drawings

Fig. 1 is a three-dimensional schematic view of an electrical fire monitoring apparatus having a novel sealing structure according to an embodiment of the present invention;

FIG. 2 is a schematic left side view of the electrical fire monitoring apparatus of FIG. 1 having a novel sealing structure;

FIG. 3 is a schematic cross-sectional view A-A of the electrical fire monitoring apparatus of FIG. 2 having a novel sealing structure;

FIG. 4 is a partially schematic view (I) of an electrical fire monitoring apparatus having a novel sealing structure shown in FIG. 3;

FIG. 5 is an enlarged partial schematic view (II) of the electrical fire monitoring apparatus of FIG. 3 having a novel sealing structure;

FIG. 6 is a three-dimensional schematic view of a removal door cover of an electrical fire monitoring apparatus having a novel sealing structure shown in FIG. 1;

FIG. 7 is a three-dimensional schematic view of the outer lid of FIG. 1;

FIG. 8 is a three-dimensional schematic view of the screen support of FIG. 7;

FIG. 9 is a three-dimensional schematic view of the swivel sleeve and hinge bracket of FIG. 6;

the sealing cavity 01, the box body 1, the fixed cavity 10, the bottom plate 11, the side plate 12, the narrow flat plate 13, the first short vertical plate 14, the outer turning plate 15, the threading hole 16, the mounting column 17, the hinged support 2, the hollow cylinder 21, the positioning groove 22, the gap 23, the rotating sleeve 3, the threaded column 31, the rectangular groove hole 32, the rotating shaft 4, the door cover 5, the body 50, the second short vertical plate 51, the mounting hole 52, the profiling through hole 53, the operation button hole 54, the screen support 55, the limiting plate 551, the ear plate 552, the threaded fixing piece 6, the cap end 61, the positioning column 62, the internal threaded hole 63, the elastic piece 7, the display element 8 and the PCB plate 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 to 9 schematically show an electrical fire monitoring apparatus having a novel sealing structure according to an embodiment of the present invention. As shown in the figure, the device comprises a box body 1 with an open structure, the box body 1 comprises a bottom plate 11, the periphery of the bottom plate 11 is vertically bent upwards to form side plates 12, the bottom plate 11 and the side plates 12 surround to form a fixed cavity 10, the upper edge of each side plate 12 is vertically bent inwards to form a narrow flat plate 13, the inner edge of the narrow flat plate 13 is vertically bent upwards to form a first short vertical plate 14, the upper end of the first short vertical plate 14 is bent outwards for a certain angle to form an outer turning plate 15,

the lower ends of the two hinged supports 2 are connected with the narrow flat plate 13 through threads, the upper end of the hinged support 2 is provided with two hollow cylinders 21, a discontinuous notch-shaped positioning groove 22 is arranged between the two hollow cylinders 21, a rotating sleeve 3 is placed in the positioning groove 22, the rotating sleeve 3 is of a U-shaped structure, four threaded columns 31 are arranged on the outer end face of the rotating sleeve 3,

the middle part of the rotating shaft 4 is fixed on the rotating sleeve 3, and the two ends of the rotating shaft are rotatably connected with the hollow cylinder 21, the rotating sleeve 3 rotates around the rotating shaft 4 relative to the hinged support 2,

the door cover 5 comprises a body 50 with a rectangular flat plate structure, the body 50 is bent upwards vertically to form a second short vertical plate 51, two groups of mounting holes 52 are arranged on one second short vertical plate 51, the position distribution of each group of mounting holes 52 is matched with the threaded column 31, the threaded fixing piece 6 is screwed into the threaded column 31 through the mounting holes 52, the door cover 5 is opened in a rotating way relative to the box body 1,

the elastic piece 7 is fixed on the inner surface of the body 50, the elastic piece 7 is in rectangular cloth, the elastic piece 7 and the outward turning plate 15 are distributed in the same way, the longitudinal section of the elastic piece 7 is in a semicircular arc shape, the outward turning plate 15 can slide along the elastic piece 7,

when the door cover 5 is closed, the narrow flat plate 13, the first short vertical plate 14, the outward turning plate 15, the elastic element 7, the body 50 and the second short vertical plate 51 are mutually surrounded to form a sealed cavity 01, at this time, the hinged support 2, the rotating sleeve 3 and the rotating shaft 4 are positioned in the sealed cavity 01, the elastic element 7 elastically covers the outward turning plate 15 to seal the fixed cavity 10,

the surface of the bottom plate 11 is fixed with an electronic conversion element through a plurality of mounting columns 17, a display element 8 is fixed on the door cover 5, and one end of the electronic conversion element is electrically connected with the detection sensor while the other end is electrically connected with the display element 8. The beneficial effects are as follows: firstly, the electric fire monitoring equipment adopts the elastic part 7 to seal the fixed cavity 10, and can completely fill the gap between two contact points, so that the electronic element in the fixed cavity 10 is in a closed state, good performance is kept, signal response is fast, and the service life is long; secondly, the sealing cavity 01 is adopted for protection, and the hinged support 2, the rotating sleeve 3 and the rotating shaft 4 are adopted for reducing the corrosion of the hinged element to the maximum extent; thirdly, the hinged support 2 and the rotating sleeve 3 which are of special structures are adopted, so that the rotation is flexible and convenient, the installation is convenient, and the fixation is firm.

Preferably, a plurality of threading holes 16 are respectively arranged on the upper side and the lower side of the side plate 12, waterproof joints are installed in the threading holes 16, and the electric wires are electrically connected with the electronic conversion element through the waterproof joints. The waterproof joint prevents water vapor and other impurities from entering the fixing chamber 10 through the threading hole 16.

Preferably, the bending angle of the outward-turned plate 15 is 30-60 °. The beneficial effects are as follows: the outward turning plate 15 in the angle range has good sealing effect and flexible rotation.

Preferably, the angle of bending of the everting panel 15 is 45 °.

Preferably, the hollow cylinder 21 is a bent structure, and a gap 23 is formed at the bent end of the hollow cylinder 21. The beneficial effects are as follows: the gap 23 can ensure the convenience of installation of the rotating shaft 4.

Preferably, the rotating sleeve 3 is formed with a rectangular slot 32 in the middle. The middle part of the rotating shaft 4 is fixed in the rectangular slotted hole 32. The beneficial effects are as follows: the rectangular slot 32 has simple structure, small volume and convenient installation.

Preferably, the body 50 is provided with a profiling through hole 53 and an operation button hole 54, the profiling through hole 53 fixes the display element 8 through a screen bracket 55, the display element 8 is a display screen, the operation button hole 54 is fixed with an operation button, and the upper end of the screen bracket 55 is connected with the PCB board 9 through a fixing column. The device is firm in fixation, small in size and convenient to install and maintain.

Preferably, the screen support 55 is a flat plate structure, three sides of the screen support 55 are provided with a limiting plate 551, the display element 8 is limited in the space surrounded by the limiting plate 551, two ends of the screen support 55 are provided with ear plates 552, and the ear plates 552 are connected with the body 50 through screws. This arrangement ensures that the PCB board 9 and the display element 8 can be well fixed.

Preferably, the threaded fastener 6 comprises a cap end 61 and a positioning column 62, the diameter of the cap end 61 is larger than that of the mounting hole 52, the positioning column 62 is in clearance fit with the mounting hole 52, an internal threaded hole 63 is formed inside the positioning column 62, and the internal threaded hole 63 is matched with the threaded column 31. The threaded fixing piece 6 ensures that the rotating sleeve 3 is firmly fixed and has high strength.

Preferably, the threaded fastener 6 is a weld nut or a handle nut. This setting simple to operate.

Preferably, the elastic member 7 is a gasket made of a rubber material.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The electrical fire monitoring equipment with the novel sealing structure is characterized by comprising a box body (1) with an open structure, wherein the box body (1) comprises a bottom plate (11), side plates (12) are formed by vertically and upwards bending the periphery of the bottom plate (11), the bottom plate (11) and the side plates (12) are surrounded to form a fixed cavity (10), the upper edge of each side plate (12) is vertically bent towards the inner side to form a narrow flat plate (13), the inner edge of the narrow flat plate (13) is vertically bent towards the inner side to form a first short vertical plate (14), the upper end of the first short vertical plate (14) is bent towards the outer side by a certain angle to form an outer turning plate (15),

the lower ends of two hinged supports (2) are in threaded connection with the narrow flat plate (13), two hollow cylinders (21) are arranged at the upper ends of the hinged supports (2), a discontinuous notch-shaped positioning groove (22) is arranged between the two hollow cylinders (21), a rotating sleeve (3) is placed in the positioning groove (22), the rotating sleeve (3) is of a U-shaped structure, four threaded columns (31) are arranged on the outer end face of the rotating sleeve (3),

the middle part of the rotating shaft (4) is fixed on the rotating sleeve (3), two ends of the rotating shaft are rotationally connected with the hollow cylinder (21), the rotating sleeve (3) rotates around the rotating shaft (4) relative to the hinged support (2),

the door cover (5) comprises a body (50) with a rectangular flat plate structure, the body (50) is bent upwards vertically to form second short vertical plates (51), one second short vertical plate (51) is provided with two groups of mounting holes (52), the threaded fixing piece (6) is screwed into the threaded column (31) through the mounting hole (52), the door cover (5) is opened in a rotating way relative to the box body (1),

the inner surface of the body (50) is fixed by the elastic piece (7), the elastic piece (7) is arranged in a rectangular shape, the elastic piece (7) and the outer turning plate (15) are distributed in the same way, the longitudinal section of the elastic piece (7) is in a semicircular arc shape, the outer turning plate (15) can slide along the elastic piece (7),

when the door cover (5) is closed, the narrow flat plate (13), the first short vertical plate (14), the outer turning plate (15), the elastic piece (7), the body (50) and the second short vertical plate (51) mutually surround to form a sealed cavity (01), at the moment, the hinged support (2), the rotating sleeve (3) and the rotating shaft (4) are positioned in the sealed cavity (01), the elastic piece (7) elastically wraps the outer turning plate (15) to seal the fixed cavity (10),

the electronic conversion element is fixed on the surface of the bottom plate (11) through a plurality of mounting columns (17), the display element (8) is fixed on the door cover (5), and one end of the electronic conversion element is electrically connected with the detection sensor while the other end is electrically connected with the display element (8).

2. The electrical fire monitoring equipment with the novel sealing structure as claimed in claim 1, wherein a plurality of threading holes (16) are respectively formed at the upper and lower sides of the side plate (12), a waterproof joint is installed in each threading hole (16), and an electrical wire is electrically connected with the electronic switching element through the waterproof joint.

3. The electrical fire monitoring apparatus having a novel sealing structure according to claim 1, wherein the bending angle of the outer flap (15) is 30 ° to 60 °.

4. The electrical fire monitoring apparatus with a novel sealing structure according to claim 1, wherein a rectangular slot hole (32) is formed in the middle of the rotating sleeve (3), and the middle of the rotating shaft (4) is fixed to the rectangular slot hole (32).

5. The electrical fire monitoring equipment with the novel sealing structure is characterized in that a profiling through hole (53) and an operation button hole (54) are formed in the body (50), the profiling through hole (53) is used for fixing the display element (8) through a screen support (55), the display element (8) is a display screen, an operation button is fixed on the operation button hole (54), and the upper end of the screen support (55) is connected with a PCB (9) through a fixing column.

6. The electrical fire monitoring equipment with the novel sealing structure is characterized in that the screen support (55) is of a flat plate structure, three sides of the outer side of the screen support (55) are provided with limiting plates (551), the display element (8) is limited in a space surrounded by the limiting plates (551), two ends of the screen support (55) are provided with lug plates (552), and the lug plates (552) are connected with the body (50) through screws.

7. The electrical fire monitoring equipment with the novel sealing structure is characterized in that the threaded fixing piece (6) comprises a cap end (61) and a positioning column (62), the diameter of the cap end (61) is larger than that of the mounting hole (52), the positioning column (62) is in clearance fit with the mounting hole (52), an internal threaded hole (63) is formed inside the positioning column (62), and the internal threaded hole (63) is matched with the threaded column (31).

8. The electrical fire monitoring apparatus with a novel sealing structure according to claim 1, wherein the elastic member (7) is a gasket made of a rubber material.