CN212914900U

CN212914900U - Ventilation filter screen

Info

Publication number: CN212914900U
Application number: CN202021027210.7U
Authority: CN
Inventors: 吴胜利
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-04-09
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a ventilation filter screen, including last casing and lower casing, its characterized in that: bolt hole No. one has all been seted up to lower casing up end four corners department, the equal fixedly connected with cassette in rear end one side before the casing up end down, the equal fixedly connected with cassette No. two of rear end opposite side before the casing up end down, the equal fixedly connected with card platform in one side of the one end that casing center was kept away from to cassette and No. two card seats, two card platform one side fixedly connected with fixed stations of a card platform, the fixed No. two bolt holes of having all been seted up of terminal surface four corners department under the casing, No. two bolt holes of terminal surface are close to casing center one side down under the casing and have all been seted up the locating hole, go up the casing fixing clip and connect in casing upper end down. The utility model discloses a ventilation filter screen, the device have adopted the connected mode of joint, and the installation is more convenient with the dismantlement, is convenient for change inside filter screen, has alleviateed staff's work task.

Description

Ventilation filter screen

Technical Field

The utility model relates to a filter screen field especially relates to ventilation filter screen.

Background

The distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect. The control center is used for commanding various components in a power supply line to reasonably distribute electric energy, is a control link for reliably receiving an upper end power supply and correctly feeding out load electric energy, but the distribution box generates heat seriously and needs to be matched with a ventilation device.

But current ventilation unit structural design is reasonable inadequately, and comprehensive effect such as ventilation, filtration, rain-proof is outstanding inadequately, can not satisfy the requirement of block terminal in-service use, proposes the ventilation filter screen to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ventilation filter screen.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the ventilation filter screen comprises an upper shell and a lower shell, wherein the four corners of the upper end surface of the lower shell are respectively provided with a first bolt hole, one side of the front and rear ends of the upper end surface of the lower shell is fixedly connected with a first clamping seat, the other side of the front and rear ends of the upper end surface of the lower shell is fixedly connected with a second clamping seat, one sides of the first clamping seat and the second clamping seat, which are far away from the center of the lower shell, are respectively fixedly connected with a clamping platform, one side of the first clamping seat and one side of the second clamping seat are fixedly connected with a fixing platform, the four corners of the lower end surface of the lower shell are respectively provided with a second bolt hole, one side of the fourth bolt hole and the second bolt hole of the lower end surface of the lower shell, which are close to the center of the lower shell, are respectively provided with a plurality of vent holes, the upper shell is fixedly clamped at the upper end, the inner wall of the upper shell is provided with, the improved ventilating fan is characterized in that a square hole is formed in the center of the upper end face of the upper shell, a plurality of ventilating blades are arranged in the square hole at equal intervals, two long supporting plates are fixedly connected to the lower ends of the ventilating blades, two ends of each long supporting plate are fixedly connected with the side wall of the square hole, and a plurality of short supporting plates are fixedly arranged between the side wall of the square hole and the side wall of the upper shell.

As a further description of the above technical solution:

and a push groove is fixedly arranged in the center of one side of the upper end surface of the upper shell.

As a further description of the above technical solution:

the two ends and the middle part of the ventilating vane deflect at a certain angle.

As a further description of the above technical solution:

a bolt hole and No. two bolt holes all with lower casing integrated into one piece.

As a further description of the above technical solution:

and a flange is fixedly arranged on the front end face of the lower shell.

The utility model discloses following beneficial effect has:

compared with the prior art, the device gives up the structure of plane ventilation blade, adopts the ventilation blade with angle, is more firm in fixation, can bear larger external impact, and improves the protective action on the inside of the electric box.

Compared with the prior art, the device adopts the connection mode of clamping connection, is more convenient to install and disassemble, is convenient to replace the internal filter screen, reduces the working strength of maintenance and repair, and reduces the work task of workers.

Drawings

Fig. 1 is a schematic structural view of an upper housing of a ventilation filter screen according to the present invention;

fig. 2 is a schematic structural view of a lower housing of the ventilation filter screen according to the present invention;

fig. 3 is a side view of the lower housing of the ventilation filter screen according to the present invention;

fig. 4 is a top view of the lower housing of the ventilation filter screen according to the present invention;

fig. 5 is a top view of the upper housing of the ventilation filter screen according to the present invention;

fig. 6 is a bottom view of the upper housing of the ventilation filter screen according to the present invention.

Illustration of the drawings:

1. a lower housing; 2. a fixed table; 3. clamping a platform; 4. a first card holder; 5. a second card holder; 6. a first bolt hole; 7. a second bolt hole; 8. positioning holes; 9. a vent hole; 10. blocking edges; 11. an upper housing; 12. A ventilation blade; 13. a square hole; 14. pushing the groove; 15. a short support plate; 16. a long support plate; 17. a clamping groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a ventilation filter screen comprises an upper shell 11 and a lower shell 1, wherein four corners of the upper end surface of the lower shell 1 are respectively provided with a first bolt hole 6, one side of the front end and the rear end of the upper end surface of the lower shell 1 is fixedly connected with a first clamping seat 4, the other side of the front end and the rear end of the upper end surface of the lower shell 1 is fixedly connected with a second clamping seat 5, one sides of the ends, far away from the center of the lower shell 1, of the first clamping seat 4 and the second clamping seat 5 are respectively fixedly connected with a clamping platform 3, one side of the clamping platform 3 of the first clamping seat 4 is fixedly connected with a fixed platform 2, four corners of the lower end surface of the lower shell 1 are respectively provided with a second bolt hole 7, one sides, near the center of the lower shell 1, of the four second bolt holes 7 of the lower end surface of the lower shell 1 are respectively provided with a positioning hole 8, the lower end surface of the lower shell 1 is provided, cassette 4 and No. two cassette 5 and draw-in groove 17 fixed joint, square hole 13 has been seted up at last 11 up end centers of casing, equidistant a plurality of ventilation blade 12 that are provided with in square hole 13, two long backup pads 16 of ventilation blade 12 lower extreme fixedly connected with, two long backup pad 16 both ends and square hole 13 lateral wall fixed connection, fixed a plurality of short backup pads 15 that are provided with between square hole 13 lateral wall and the last 11 lateral walls of casing.

Go up 11 up terminal surface one side center of casing and fixedly being provided with and push away groove 14, be convenient for with last casing 11 and casing 1 separation down, the certain angle that deflects at 12 both ends of ventilation blade and middle part improves 12 intensity of ventilation blade, improves rain-proof effect, and bolt hole 6 and No. two bolt holes 7 all with casing 1 integrated into one piece down reduce manufacturing procedure, improve production efficiency, the fixed flange 10 that is provided with of terminal surface before casing 1 down.

The working principle is as follows: the device is when using, will be casing 1 down and be fixed in block terminal vent department through a

bolt hole

6, 1 is inside to be fixed the filter screen through No. two bolt holes 7 and locating hole 8 down casing, will go up casing 11 through a cassette 4 and No. two cassette 5 and last casing 11 draw-in groove 17 joint, will go up casing 11 fixed, go up casing 11 and ventilate 12 and can effectively prevent the rainwater splash into down, play the ventilation, filter, rainproof function.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The ventilation filter screen, including last casing (11) and casing (1) down, its characterized in that: the four corners of the upper end face of the lower shell (1) are respectively provided with a first bolt hole (6), one side of the front end and the rear end of the upper end face of the lower shell (1) is fixedly connected with a first clamping seat (4), the other side of the front end and the rear end of the upper end face of the lower shell (1) is fixedly connected with a second clamping seat (5), one sides of the ends, far away from the center of the lower shell (1), of the first clamping seat (4) and the second clamping seat (5) are respectively fixedly connected with a clamping table (3), one side of each clamping table (3) of the two first clamping seats (4) is fixedly connected with a fixing table (2), the four corners of the lower end face of the lower shell (1) are respectively provided with a second bolt hole (7), one sides, near the center of the lower shell (1), of the four second bolt holes (7) of the lower end face of the lower shell (1) are respectively provided with, go up casing (11) fixed joint in casing (1) upper end down, go up casing (11) inner wall and a cassette (4) and No. two cassette (5) relative department and all seted up draw-in groove (17), cassette (4) and No. two cassette (5) and draw-in groove (17) fixed joint, square hole (13) have been seted up at last casing (11) up end center, equidistant a plurality of ventilation blade (12) of being provided with in square hole (13), two long backup pad (16) of ventilation blade (12) lower extreme fixedly connected with, two long backup pad (16) both ends and square hole (13) lateral wall fixed connection, fixed a plurality of short backup pad (15) of being provided with between square hole (13) lateral wall and last casing (11) lateral wall.

2. The ventilation filter screen of claim 1, wherein: a push groove (14) is fixedly arranged in the center of one side of the upper end face of the upper shell (11).

3. The ventilation filter screen of claim 1, wherein: the two ends of the ventilation blade (12) deflect at a certain angle with the middle part.

4. The ventilation filter screen of claim 1, wherein: the first bolt hole (6) and the second bolt hole (7) are integrally formed with the lower shell (1).

5. The ventilation filter screen of claim 1, wherein: and a flange (10) is fixedly arranged on the front end surface of the lower shell (1).