Special centrifugal fan for hydrogen energy equipment

Abstract

The utility model discloses a special centrifugal fan for hydrogen energy equipment, which comprises a centrifugal fan main body, a motor base and a protective piece, the centrifugal fan main body is fixedly arranged above the front end of the motor base, and the protective piece is movably arranged at the air outlet end of the centrifugal fan main body. And a side baffle is movably installed on the front surface of the protection part, a positioning pull plate is movably installed on the upper surface of the protection part, an air inlet pipe opening is fixedly formed in the front surface of the centrifugal fan body, and assembling plates are fixedly installed on the front surface and the rear surface of the air outlet end of the centrifugal fan body and located above the front surface and the rear surface of the air outlet end of the centrifugal fan body. According to the centrifugal fan special for the hydrogen energy equipment, through the mode that the centrifugal fan body, the protection piece, the side baffle and the positioning pulling plate are matched with one another, the side baffle can shield the air inlet pipe opening, and the protection plate of the protection piece can shield the air outlet end of the centrifugal fan body; in this way, foreign matter is prevented from entering the centrifugal fan before the centrifugal fan is installed.

Description

Technical Field

[0001] The utility model relates to the field of centrifugal fans, in particular to a centrifugal fan special for hydrogen energy equipment. Background Art

[0002] A centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge the gas. It is a driven fluid machine. During the operation of hydrogen energy equipment, a centrifugal fan is also needed to discharge the gas.

[0003] A centrifugal fan has an air inlet and an air outlet. Before the centrifugal fan is installed and used, the air inlet and air outlet of the centrifugal fan are exposed, so foreign matter may enter the interior of the centrifugal fan. This may easily damage the internal components of the centrifugal fan when the centrifugal fan is running. Utility Model Content

[0004] The main purpose of the utility model is to provide a centrifugal fan dedicated to hydrogen energy equipment, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A centrifugal fan dedicated to hydrogen energy equipment includes a centrifugal fan body, a motor base and a protective member. The centrifugal fan body is fixedly installed above the front end of the motor base, the protective member is movably installed at the air outlet end of the centrifugal fan body, the side baffle is movably installed on the front surface of the protective member, a positioning pull plate is movably installed on the upper surface of the protective member, and an air inlet pipe is fixedly installed on the front surface of the centrifugal fan body and behind the side baffle.

[0007] As a preferred technical solution of the present application, an assembly plate is fixedly installed on the front and rear surfaces of the air outlet end of the centrifugal fan main body, an assembly hole is provided on the upper surface of the assembly plate, a positioning groove No. 1 is provided on the upper surface of the centrifugal fan main body in front and rear of the air outlet end, and an axis groove is provided on the front and rear surfaces of the centrifugal fan main body near the bottom of one side.

[0008] As the preferred technical solution of the present application, the protective part includes a protective plate, a connecting plate, a pad, an arc-shaped support bar and a rotating shaft. The connecting plates are fixedly installed on the two end surfaces of the protective plate, the pad is fixedly installed on the lower surface of the connecting plate at one end of the protective plate, and the rotating shaft is fixedly installed on the rear surface of the connecting plate and the rear surface of the pad at the other end of the protective plate.

[0009] As a preferred technical solution of the present application, the upper surface of the protective plate is provided with a socket near both ends, the upper end of the connecting plate is provided with a rod groove, the rotating shaft is movably embedded in the shaft groove, and the protective member is movably connected to the centrifugal fan body through the rotating shaft.

[0010] As the preferred technical solution of the present application, a No. 2 positioning groove is provided on the front end surface of the side baffle near the top, and a mounting block is fixedly installed on the rear end surface of the side baffle, and the mounting block is movably embedded in the front surface of the pad.

[0011] As the preferred technical solution of the present application, a guide rod is fixedly installed on the lower surface of the positioning pull plate near both ends, a stop block is fixedly installed on the lower surface of the guide rod, a No. 1 positioning rod is fixedly installed on the lower surface of the positioning pull plate and located on one side of the guide rod, and a No. 2 positioning rod is fixedly installed on the lower surface of the positioning pull plate and located on the other side of the guide rod at one end.

[0012] As a preferred technical solution of the present application, the lower end of the guide rod is embedded in the rod groove, the surface of the guide rod inside the rod groove is sleeved with a spring, the lower end of the No. 1 positioning rod passes through the jack and is embedded in the No. 1 positioning groove, and the motor is fixedly installed on the upper surface of the rear end of the motor base.

[0013] Compared with the existing technology, this utility model proposes a self-cleaning solar street light with the following features:

[0014] Beneficial effects:

[0015] In the utility model, by arranging the centrifugal fan body, protective member, side baffle and positioning pull plate in a manner that cooperates with each other, the side baffle can block the air inlet pipe opening, and the protective plate of the protective member can block the air outlet end of the centrifugal fan body, thereby preventing foreign matter from entering the interior of the centrifugal fan before the centrifugal fan is installed. When installing the centrifugal fan, the side baffle is flipped over, and the positioning pull plate is pulled up during the flipping of the side baffle until the side baffle is aligned with the protective plate of the protective member, and then the protective member is flipped over to expose the air inlet end of the centrifugal fan, and finally the pulling force of the positioning pull plate is released. At this time, the positioning pull plate is pushed by the spring so that the No. 2 positioning rod is embedded in the No. 2 positioning groove of the side baffle, so that the side baffle and the protective member can be fixed together and placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structural diagram of the centrifugal fan dedicated to hydrogen energy equipment of this utility model;

[0017] Figure 2 This is a partial disassembly diagram of the centrifugal fan dedicated to hydrogen energy equipment of the utility model;

[0018] Figure 3 This is a partial cross-sectional view of the protective component of the centrifugal fan dedicated to hydrogen energy equipment of the present utility model;

[0019] Figure 4 This is a structural diagram of the side baffle of the centrifugal fan for hydrogen energy equipment of the utility model;

[0020] Figure 5 This is a structural diagram of the positioning pull plate of the centrifugal fan specially used for hydrogen energy equipment in this utility model.

[0021] In the figure: 1. Centrifugal fan body; 101. Assembly plate; 102. Assembly hole; 103. Positioning slot No. 1; 104. Shaft slot; 2. Motor base; 3. Protective part; 301. Protective plate; 302. Connecting plate; 303. Pad; 304. Arc-shaped support strip; 305. Socket; 306. Rotating shaft; 307. Rod slot; 4. Side baffle; 401. Positioning slot No. 2; 5. Positioning pull plate; 501. Positioning rod No. 1; 502. Guide rod; 503. Stop block; 504. Spring; 505. Positioning rod No. 2; 6. Air inlet. DETAILED DESCRIPTION

[0022] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

[0023] like Figure 1-5 The centrifugal fan dedicated to hydrogen energy equipment shown in the figure includes a centrifugal fan body 1, a motor base 2 and a protective member 3. The centrifugal fan body 1 is fixedly installed above the front end of the motor base 2, the protective member 3 is movably installed at the air outlet end of the centrifugal fan body 1, the side baffle 4 is movably installed on the front surface of the protective member 3, and a positioning pull plate 5 is movably installed on the upper surface of the protective member 3. An air inlet pipe opening 6 is fixedly installed on the front surface of the centrifugal fan body 1 and behind the side baffle 4.

[0024] The front and rear surfaces of the air outlet end of the centrifugal fan body 1 are fixedly installed with an assembly plate 101 on the upper surface, and an assembly hole 102 is opened on the upper surface of the assembly plate 101. A positioning groove 103 is opened on the upper surface of the centrifugal fan body 1 and is located in front and rear of the air outlet end. A shaft groove 104 is opened on the front and rear surfaces of the centrifugal fan body 1 and near the lower side; the protective member 3 includes a protective plate 301, a connecting plate 302, a pad 303, an arc-shaped support bar 304 and a rotating shaft 306. The connecting plates are fixedly installed on the surfaces of both ends of the protective plate 301. 302, a pad 303 is fixedly installed on the lower surface of the connecting plate 302 at one end of the protective plate 301, and a rotating shaft 306 is fixedly installed on the rear surface of the connecting plate 302 and the rear surface of the pad 303 at the other end of the protective plate 301; a socket 305 is opened on the upper surface of the protective plate 301 and near both ends, a rod groove 307 is opened inside the upper end of the connecting plate 302, and the rotating shaft 306 is movably embedded in the shaft groove 104. The protective member 3 is movably connected to the centrifugal fan body 1 through the rotating shaft 306, and the protective plate 301 has a shielding effect on the air outlet end of the centrifugal fan body 1 The front end surface of the side baffle 4 is provided with a second positioning groove 401 near the top, and a mounting block is fixedly installed on the surface of one side of the rear end of the side baffle 4. The mounting block is movably embedded in the front surface of the pad 303. The side baffle has a shielding effect on the air inlet port 6 of the centrifugal fan body 1, and the arc-shaped support bar 304 can lift the side baffle 4 to prevent the side baffle from flipping downward; the lower surface of the positioning pull plate 5 is fixedly installed with a guide rod 502 near both ends, and the lower surface of the guide rod 502 is fixedly installed with a stop block 503. The lower surface of the positioning pull plate 5 and is located on the guide rod 502 A No. 1 positioning rod 501 is fixedly installed on one side, and a No. 2 positioning rod 505 is fixedly installed on the lower surface of the positioning pull plate 5 and on the other side of the guide rod 502 at one end; the lower end of the guide rod 502 is embedded in the rod groove 307, and a spring 504 is sleeved on the surface of the guide rod 502 inside the rod groove 307. The lower end of the No. 1 positioning rod 501 passes through the jack 305 and is embedded in the No. 1 positioning groove 103. The motor is fixedly installed on the upper surface of the rear end of the motor base 2. The cooperation between the No. 1 positioning rod 501 and the No. 1 positioning groove 103 can position the protective part 3.

[0025] It should be noted that the present invention is a centrifugal fan specially used for hydrogen energy equipment. When in use, the side baffle 4 can block the air inlet pipe 6, and the protective plate 301 of the protective member 3 can block the air outlet end of the centrifugal fan body 1, so as to prevent foreign matter from entering the interior of the centrifugal fan before the centrifugal fan is installed. When installing the centrifugal fan, flip the side baffle 4, and pull up the positioning plate 5 during the process of flipping the side baffle 4 until the side baffle 4 is aligned with the protective plate 301 of the protective member 3, and then flip the protective member 3 to expose the air outlet end of the centrifugal fan, and finally release the pulling force of the positioning plate 5. At this time, the positioning plate 5 is pushed by the spring 504 so that the No. 2 positioning rod 505 is embedded in the No. 2 positioning groove 401 of the side baffle 4, so that the side baffle 4 and the protective member 3 can be fixed together and placed.

[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. Centrifugal fan for hydrogen energy equipment, characterized by: The centrifugal fan comprises a main body (1), a motor base (2) and a protective member (3); the main body (1) is fixedly mounted above the front end of the motor base (2); the air outlet end of the main body (1) is movably mounted with a protective member (3); a side baffle (4) is movably mounted on the front surface of the protective member (3); a positioning pull plate (5) is movably mounted on the upper surface of the protective member (3); and an air inlet port (6) is fixedly mounted on the front surface of the main body (1) and located behind the side baffle (4).

2. The centrifugal fan for hydrogen energy equipment according to claim 1, characterized in that: An assembly plate (101) is fixedly mounted on the front and rear surfaces of the air outlet end of the centrifugal fan body (1), and an assembly hole (102) is provided on the upper surface of the assembly plate (101). A first positioning groove (103) is provided on the upper surface of the centrifugal fan body (1) and located in front of and behind the air outlet end. An axis groove (104) is provided on the front and rear surfaces of the centrifugal fan body (1) and near the lower side.

3. The centrifugal blower for hydrogen energy equipment according to claim 2, characterized in that: The protective member (3) comprises a protective plate (301), a connecting plate (302), a cushion block (303), an arc-shaped support bar (304) and a rotating shaft (306); the connecting plates (302) are fixedly mounted on both end surfaces of the protective plate (301); the cushion block (303) is fixedly mounted on the lower surface of the connecting plate (302) at one end of the protective plate (301); and the rotating shaft (306) is fixedly mounted on the rear surface of the connecting plate (302) and the rear surface of the cushion block (303) at the other end of the protective plate (301).

4. The centrifugal blower for hydrogen energy equipment according to claim 3, characterized in that: Insert holes (305) are provided on the upper surface of the protective plate (301) near both ends, a rod groove (307) is provided inside the upper end of the connecting plate (302), the rotating shaft (306) is movably embedded in the shaft groove (104), and the protective member (3) is movably connected to the centrifugal fan body (1) via the rotating shaft (306).

5. The centrifugal blower for hydrogen energy equipment according to claim 4, characterized in that: A second positioning groove (401) is provided on the front end surface of the side baffle (4) and near the top. A mounting block is fixedly mounted on the rear end surface of the side baffle (4), and the mounting block is movably embedded in the front surface of the cushion block (303).

6. The centrifugal blower for hydrogen energy equipment according to claim 5, characterized in that: A guide rod (502) is fixedly mounted on the lower surface of the positioning pull plate (5) near both ends, a stop block (503) is fixedly mounted on the lower surface of the guide rod (502), a first positioning rod (501) is fixedly mounted on the lower surface of the positioning pull plate (5) and located on one side of the guide rod (502), and a second positioning rod (505) is fixedly mounted on the lower surface of the positioning pull plate (5) and located on the other side of the guide rod (502) at one end.

7. The centrifugal blower for hydrogen energy equipment according to claim 6, characterized in that: The lower end of the guide rod (502) is embedded in the rod groove (307), and a spring (504) is sleeved on the surface of the guide rod (502) inside the rod groove (307). The lower end of the No. 1 positioning rod (501) passes through the insertion hole (305) and is embedded in the No. 1 positioning groove (103). The motor is fixedly mounted on the upper surface of the rear end of the motor base (2).

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