CN216950979U

CN216950979U - Fan blade

Info

Publication number: CN216950979U
Application number: CN202122324630.2U
Authority: CN
Inventors: 陈志刚; 秦克勇
Original assignee: Shanghai Haoqiang Agricultural Machinery Co ltd
Current assignee: Shanghai Haoqiang Agricultural Machinery Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-07-12
Anticipated expiration: 2031-09-24

Abstract

The utility model belongs to the technical field of fan equipment accessories and specifically relates to a fan blade is related to, and it is including being used for installing the fan blade body on the fan blade dish, the inside of fan blade body is the cavity structure, the petiole is installed to the one end of fan blade body, the inside of petiole is the cavity structure. In this application, can fix the fan blade body on the fan blade dish through the petiole, petiole and fan blade body all are equipped with cavity structure for the weight of petiole and fan blade body is lighter, and the energy that consumes when reducing drive petiole and fan blade body.

Description

Fan blade

Technical Field

The application relates to the field of fan equipment accessories, in particular to a fan blade.

Background

The blower is a short term for gas compression and gas delivery machinery, and the blower generally includes a ventilator, a blower, a wind driven generator and the like. The fan is a mechanical device which converts rotational mechanical energy into gas pressure energy and kinetic energy and conveys gas out.

The fan is mainly applied to ventilation, dust exhaust and cooling in various fields of national economy such as metallurgy, petrifaction, electric power, urban rail transit, textile, ships and the like and various places; in the related art, the fan blades mounted on the fan blade disc are generally driven to rotate by the motor, and the resistance of the motor during driving is large, so that the power consumption of the motor matched with the fan is large, a large amount of energy is wasted, the requirements of modern industrial production, service and the like are difficult to meet, and the negative effect is serious.

In view of the above-mentioned related art, the applicant considers that a low-energy-consumption fan blade is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of motor when drive fan blade rotates, reduce the motor energy consumption, this application provides a fan blade.

The application provides a fan blade adopts following technical scheme:

the fan blade comprises a fan blade body arranged on a fan blade disc, wherein the inside of the fan blade body is of a cavity structure, a blade handle is arranged at one end of the fan blade body, and the inside of the blade handle is of a cavity structure.

By adopting the technical scheme, the fan blade body can be fixed on the fan blade disc through the blade handle, and the blade handle and the fan blade body are both provided with the cavity structures, so that the weight of the blade handle and the fan blade body is lighter, and the energy consumed in driving the blade handle and the fan blade body is reduced.

Optionally, a plurality of reinforcing plates are arranged in the fan blade body.

By adopting the technical scheme, the reinforcing plate can support and reinforce the fan blade body, and the stability of the fan blade body during working is improved.

Optionally, two opposite protrusions are arranged in the fan blade body, the middle of each protrusion is inwards recessed to form an arc surface, and after one end of the blade handle is inserted into the fan blade body, the side wall of the blade handle is abutted to the arc surface.

Through adopting above-mentioned technical scheme, two archs can play the guide effect to the installation of petioles, and two arc surfaces and petioles butt when inserting the petiole fan blade body can prevent that the petiole from rocking when the installation, have made things convenient for the installation of petiole.

Optionally, a plurality of first mounting holes are formed in the side wall of the fan blade body, a first connecting hole which can be connected with the first mounting hole in a matched mode is formed in the blade handle, and a screw penetrates through the first mounting hole and the first connecting hole and is connected with a nut to fix the blade handle on the fan blade body.

By adopting the technical scheme, the blade handle cannot slide out after being installed on the fan blade body, so that the stability of fixation between the blade handle and the fan blade body is enhanced.

Optionally, the fan blade body and the blade handle are both members made of aluminum alloy.

By adopting the technical scheme, the fan blade body and the blade handle are light in weight and high in strength, the resistance in rotation is small, the fan blade is not easy to bend, and the reduction of energy consumption required by driving the fan blade body is facilitated.

Optionally, a sealing cover for sealing the cavity is mounted at one end of the fan blade body close to the blade handle.

By adopting the technical scheme, the sealing cover can seal the cavity in the fan blade body, so that impurities are prevented from entering the cavity of the fan blade body, and the cavity is prevented from being corroded.

Optionally, one side of the sealing cover is recessed to form a mounting groove which can be matched with the end of the fan blade body, a plurality of second connecting holes with threads arranged therein are formed in the side wall of the sealing cover, and a second mounting hole which can be matched and connected with the second connecting holes is formed in the outer wall of the fan blade body.

By adopting the technical scheme, the seal cover is stably connected with the fan blade body, so that the condition that the seal cover falls off when the fan blade body rotates is avoided.

Optionally, a fixing ring for preventing the petiole from sliding out of the fan blade disc is mounted at one end of the petiole, which is far away from the first mounting hole.

Through adopting above-mentioned technical scheme, solid fixed ring can cooperate with the fan blade dish for the petiole is installed and is difficult for the roll-off on the fan blade dish.

Optionally, the fan blade body is streamlined.

By adopting the technical scheme, the streamline design ensures that the wind resistance of the fan blade body is small when the fan blade body rotates, energy can be saved, and simultaneously, the wind power generated when the fan blade body rotates is also large.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fan blade body can be fixed on the fan blade disc through the blade handle, and the blade handle and the fan blade body are both provided with cavity structures, so that the weight of the blade handle and the fan blade body is lighter, and energy consumed when the blade handle and the fan blade body are driven is reduced;

2. the two bulges can play a role in guiding the installation of the blade handles, when the blade handles are inserted into the fan blade body, the two arc surfaces are abutted against the blade handles, the blade handles can be prevented from shaking during installation, the installation of the blade handles is facilitated, and meanwhile, the blade handles and the fan blade body are fixed through screws and nuts, so that the blade handles cannot slide out after being installed on the fan blade body, and the stability of the fixation between the blade handles and the fan blade body is enhanced;

3. one end of the fan blade body is provided with a sealing cover, and the sealing cover can seal a cavity in the fan blade body to prevent impurities from entering the cavity of the fan blade body, so that the cavity is prevented from being corroded, and the service life of the fan blade body is prolonged.

Drawings

Fig. 1 is an overall structure diagram of a fan blade according to an embodiment of the present application.

Fig. 2 is a structural diagram of a blade body of a blade in an embodiment of the present application.

Fig. 3 is a structure diagram of a blade handle of a fan blade according to an embodiment of the present application.

Fig. 4 is a structure diagram of a seal cover of a fan blade according to an embodiment of the present application.

Description of reference numerals: 1. the fan blade body; 11. a reinforcing plate; 12. a protrusion; 121. a circular arc surface; 13. a first mounting hole; 14. a second mounting hole; 2. a petiole; 21. a first connection hole; 22. a fixing ring; 3. sealing the cover; 31. mounting grooves; 32. and a second connection hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a fan blade.

Referring to fig. 1 and 2, the fan blade comprises a fan blade body 1, wherein the inside of the fan blade body 1 is of a cavity structure, and the cavity structure can effectively reduce the weight of the fan blade body 1, so that the energy consumption required for driving the fan blade body 1 to rotate is reduced. The fan blade body 1 is internally provided with a plurality of reinforcing plates 11, the number of the reinforcing plates 11 can be three, and the reinforcing plates 11 can support the fan blade body 1, so that the stability of the fan blade body 1 in working is enhanced. The fan blade body 1 is streamline, so that the wind resistance of the fan blade body 1 during rotation is reduced, and the energy consumed for driving the fan blade body 1 to rotate is further reduced.

The blade handle 2 is installed to one of them tip of fan blade body 1, and the blade handle 2 is the cavity structure, and the cavity structure can reduce the weight of blade handle 2 thereby reduces the consumption. Two bulges 12 which are arranged oppositely are arranged in the fan blade body 1, the middle parts of the two bulges 12 are inwards sunken to form an arc surface 121, the size of the arc surface 121 is matched with the size of the cross section of the blade handle 2, and one end of the blade handle 2 can be inserted into the fan blade body 1 from between the two bulges 12. After the petiole 2 inserts between the protruding 12 of fan blade body 1, the inseparable butt of lateral wall of arc surface 121 and petiole 2, and petiole 2 simple to operate, and two archs 12 that are equipped with arc surface 121 can prevent that petiole 2 from rocking in fan blade body 1, have strengthened the stability of being connected between petiole 2 and the fan blade body 1.

The fan blade body 1 and the blade handles 2 are all members made of aluminum alloy, the aluminum alloy has the advantages of light dead weight, high strength and the like, the fan blade body 1 and the blade handles 2 can be light in weight and high in strength, and the reduction of energy consumption required for driving the fan blade body 1 is facilitated.

Referring to fig. 2 and 3, two first mounting holes 13 are formed in the side wall of the fan blade body 1, and first connection holes 21 which can be connected with the two first mounting holes 13 in a one-to-one correspondence manner are formed in the blade shank 2. Insert fan blade body 1 with petiole 2 after, let first mounting hole 13 correspond with the position of first connecting hole 21, thereby the screw passes first mounting hole 13 and first connecting hole 21 and is connected with the nut with the fixed fan blade body 1 of petiole 2 on. The cooperation of adopting multiunit screw and nut, it is excellent to the fixed effect of petiole 2, can prevent the condition that petiole 2 and fan blade body 1 break away from when fan blade body 1 rotates.

Referring to fig. 3, the end of the blade stem 2 away from the first connection hole 21 is provided with a fixing ring 22, and the diameter of the fixing ring 22 is larger than that of the cross section of the blade stem 2, so that the fixing ring 22 can be matched with the blade disc to prevent the blade stem 2 from sliding out when the blade stem 2 is fixed on the blade disc.

Referring to fig. 1 and 4, one end of the fan blade body 1 close to the blade handle 2 is provided with a sealing cover 3, and the other end is a closed end. One side of closing cap 3 caves in and forms mounting groove 31, and when installing closing cap 3 on fan blade body 1, in the one end of fan blade body 1 inserted mounting groove 31, the lateral wall of fan blade body 1 closely laminated with the inner wall of closing cap 3 and formed sealedly, can play the effect that prevents external impurity entering fan blade body 1's inner chamber, avoids leading to the inner chamber of fan blade body 1 to receive the condition of corroding.

Referring to fig. 2 and 4, a plurality of second connecting holes 32 with threads formed therein are formed in the side wall of the seal cover 3, second mounting holes 14 corresponding to the second connecting holes 32 are formed in the outer wall of the end portion of the fan blade body 1, screws penetrate through the second connecting holes 32 and the second mounting holes 14 to fix the seal cover 3 on the fan blade body 1, the seal cover 3 is not prone to falling off when the fan blade body 1 rotates, and the seal cover 3 is stably connected with the fan blade body 1.

The implementation principle of a fan blade in the embodiment of the application is as follows: in the installation process, the blade handles 2 are fixedly connected with the blade disc, the blade disc drives the blade body 1 to rotate, the hollow blade body 1 and the blade handles 2 are light in weight, resistance in rotation is small, and an energy-saving effect can be achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A fan blade, its characterized in that: the fan blade disc structure comprises a fan blade body (1) arranged on a fan blade disc, wherein a cavity structure is arranged inside the fan blade body (1), a blade handle (2) is arranged at one end of the fan blade body (1), and the cavity structure is arranged inside the blade handle (2).

2. A fan blade according to claim 1, wherein: a plurality of reinforcing plates (11) are arranged in the fan blade body (1).

3. A fan blade according to claim 1, wherein: the fan blade is characterized in that two opposite bulges (12) are arranged in the fan blade body (1), the middle parts of the bulges (12) are inwards sunken to form an arc surface (121), and after one end of the blade handle (2) is inserted into the fan blade body (1), the side wall of the blade handle (2) is abutted to the arc surface (121).

4. A fan blade according to claim 1, wherein: a plurality of first mounting holes (13) are formed in the side wall of the fan blade body (1), first connecting holes (21) which can be connected with the first mounting holes (13) in a matched mode are formed in the blade handle (2), and screws penetrate through the first mounting holes (13) and the first connecting holes (21) and are connected with nuts to fix the blade handle (2) on the fan blade body (1).

5. A fan blade according to claim 3, wherein: the fan blade body (1) and the blade handle (2) are both members made of aluminum alloy.

6. A fan blade according to claim 3, wherein: and a sealing cover (3) for sealing the cavity is arranged at one end of the fan blade body (1) close to the blade handle (2).

7. The fan blade of claim 6, wherein: one side of the sealing cover (3) is sunken in to form a mounting groove (31) matched with the end part of the fan blade body (1), a plurality of second connecting holes (32) with threads arranged therein are formed in the side wall of the sealing cover (3), and a second mounting hole (14) matched with and connected with the second connecting holes (32) is formed in the outer wall of the fan blade body (1).

8. The fan blade of claim 4, wherein: and one end of the blade handle (2) far away from the first connecting hole (21) is provided with a fixing ring (22) for preventing the blade handle (2) from sliding out of the fan blade disc.

9. A fan blade according to claim 1, wherein: the fan blade body (1) is streamline.