CN210240104U

CN210240104U - Fan impeller with air guide groove

Info

Publication number: CN210240104U
Application number: CN201921078263.9U
Authority: CN
Inventors: Zhongyun Lin; 林中云; Yun Li; 李云; Xiaohe Jie; 揭晓和
Original assignee: Jiangxi Hengcheng Industrial Co ltd
Current assignee: Jiangxi Hengcheng Industrial Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-03
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a fan impeller with wind-guiding groove, which belongs to the technical field of fans and comprises an impeller disc, wherein a plurality of blades are fixedly arranged on the front surface of the impeller disc, jacks are formed on the blades, fixing rings are arranged inside the jacks and are arranged on the front surface of the impeller disc, each fixing ring mainly comprises a semicircular ring a and a semicircular ring b, the semicircular ring a and the semicircular ring b are fixedly connected through bolts a, a plurality of threaded holes c are respectively formed in the back surfaces of the semicircular ring a and the semicircular ring b, and the inner side wall of each threaded hole d is in threaded connection with the bolt c; the air guide grooves which are identical to the blade radian are formed in the impeller disc, the impeller disc drives the blades to rotate in the process of fan operation, and due to the fact that the air guide grooves are formed, the blades can rapidly dredge air flow when the blades rotate to convey the air flow, impact force of the air flow on the impeller disc is effectively reduced, and the service life of the impeller disc is prolonged.

Description

Fan impeller with air guide groove

Technical Field

The utility model belongs to the technical field of the fan, concretely relates to fan wheel with wind-guiding groove.

Background

The fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine, generally, the fan comprises a ventilator, a blower and a wind driven generator, and the fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and induced air of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; the drying and the sorting of grains, the inflation and the propulsion of a wind tunnel wind source and an air cushion ship and the like, and the impeller is a mechanism applied to a fan.

The original impeller upper blade is the lug weld on the impeller dish, can only strangely change whole impeller dish when wearing and tearing appear in a certain blade, has caused certain loss, lacks the guide duct on the impeller simultaneously, and the air current direct impact that flows when the fan operation causes the impeller to appear excessive wearing and tearing easily when being exported by the impeller dish on the impeller dish, reduces its life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan wheel with wind-guiding groove to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan impeller with wind-guiding groove, includes the impeller dish, the front fixed mounting of impeller dish has a plurality of blade, seted up the jack on the blade, the inside of jack is provided with solid fixed ring, gu fixed ring sets up in the front of impeller dish, gu fixed ring mainly comprises semicircle ring an and semicircle ring b, through bolt a fixed connection between semicircle ring an and the semicircle ring b, a plurality of screw hole c has been seted up respectively to the back of semicircle ring an and semicircle ring b, set up a plurality of screw hole d on the impeller dish, and the inside wall threaded connection of screw hole d has bolt c, bolt c passes screw hole d threaded connection at the inside wall of screw hole c, the wind-guiding groove has been seted up in the front of impeller dish.

Preferably, the front surface of the impeller disc is provided with a slot, the outer surface of the blade is attached to the inner side wall of the slot, the back surface of the blade is provided with a threaded hole a, the impeller disc is provided with a threaded hole b, the inner wall of the threaded hole b is in threaded connection with a bolt b, and the bolt b penetrates through the inner side wall of the threaded hole b and is in threaded connection with the threaded hole a.

Preferably, the number of the air guide grooves is several, and the air guide grooves are respectively arranged between two adjacent blades on the front surface of the impeller disc.

Preferably, the semicircular ring a and the semicircular ring b are provided with limiting grooves with the same number as the blades.

Preferably, the arc of the wind guide groove is the same as the arc of the blade.

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

the wind guide grooves with the same radian as the blades are formed in the impeller disc, the impeller disc drives the blades to rotate in the operation process of the fan, and the blades can rapidly dredge airflow when rotating to convey the airflow due to the arrangement of the wind guide grooves, so that the impact force of the airflow on the impeller disc is effectively reduced, and the service life of the impeller disc is further prolonged;

install fixedly through utilizing bolt an to the blade, utilize bolt b to install fixedly to the solid fixed ring that semicircular a and semicircular b constitute, utilize the fixed ring to carry on spacingly to the blade, it is fixed more stable to be connected between blade and the impeller dish, and utilize bolt an and bolt b to install fixed convenient later stage to the blade and change the cracked blade that appears wearing and tearing, the problem that blade welded fastening appears wearing and tearing need to change whole impeller dish has been avoided, the input of cost is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the fixing ring of the present invention;

FIG. 3 is a schematic structural view of the impeller disc of the present invention;

fig. 4 is a schematic structural view of the rear view of the fixing ring of the present invention;

fig. 5 is a rear view of the impeller plate of the present invention;

FIG. 6 is a schematic structural view of the blade of the present invention;

in the figure: 1. an impeller disc; 2. a blade; 3. a fixing ring; 4. a semicircular ring a; 5. a semicircular ring b; 6. a bolt a; 7. a slot; 8. a wind guide groove; 9. a bolt b; 10. a bolt c; 11. and (4) inserting the jack.

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.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a fan wheel with wind-guiding groove, including impeller dish 1, impeller dish 1's front fixed mounting has a plurality of blade 2, jack 11 has been seted up on the blade 2, jack 11's inside is provided with solid fixed ring 3, gu fixed ring 3 sets up the front at impeller dish 1, gu fixed ring 3 mainly comprises semicircle a4 and semicircle b5, through bolt a6 fixed connection between semicircle a4 and the semicircle b5, a plurality of screw hole c has been seted up respectively to the back of semicircle a4 and semicircle b5, a plurality of screw hole d has been seted up on impeller dish 1, and the inside wall threaded connection of screw hole d has bolt c10, bolt c10 passes screw hole d threaded connection at the inside wall of screw hole c, wind-guiding groove 8 has been seted up in impeller dish 1's front.

In the embodiment, the air flow generated in the operation process of the fan is output under the rotation effect of the impeller disc 1 driving the blades 2, the air flow impacting on the impeller disc 1 can be rapidly output by utilizing the arrangement of the air guide grooves 8 on the impeller disc 1 in cooperation with the blades 2, the impact force of the air flow impacting on the impeller disc 1 is avoided to be overlarge, when the worn and broken blades 2 occur, the bolts b9 and the bolts c10 are screwed down to fix the blades 2 and the fixing ring 3 in a contact manner, then the bolts a6 are screwed down to separate the semicircular rings a4 from the semicircular rings b5, the damaged blades 2 are taken down, then the new blades 2 are replaced with the bolts a6 to assemble and fix the semicircular rings a4 and the semicircular rings b5 to form the fixing ring 3, and the bolts b9 and the bolts c10 are used for fixing the blades 2 and the fixing ring 3.

Specifically, the front surface of the impeller disc 1 is provided with a slot 7, the outer surface of the blade 2 is attached to the inner side wall of the slot 7, the back surface of the blade 2 is provided with a threaded hole a, the impeller disc 1 is provided with a threaded hole b, the inner wall of the threaded hole b is in threaded connection with a bolt b9, and a bolt b9 penetrates through the threaded hole b and is in threaded connection with the inner side wall of the threaded hole a; the blade 2 is inserted into the slot 7 and is screwed into the threaded holes a and b through the bolts a6 to fix the blade 2, so that the connection between the blade 2 and the impeller disc 1 is stable.

Specifically, the number of the air guide grooves 8 is several, and the air guide grooves 8 are respectively arranged between two adjacent blades 2 on the front surface of the impeller disc 1; the air guide groove 8 is used for guiding the airflow which impacts the impeller disc 1 in the operation process of the fan.

Specifically, the semicircular ring a4 and the semicircular ring b5 are provided with limiting grooves with the same number as the blades 2; utilize spacing groove to carry out spacing to blade 2 when blade 2 inserts semicircle ring a4 and semicircle ring b5, and then conveniently fixed the installation of blade 2.

Specifically, the radian of the air guide groove 8 is the same as that of the blade 2; the air flow can be matched with the blade 2 under the action of the air guide groove 8 to quickly dredge the impacted air flow.

The utility model discloses a theory of operation and use flow: the air current that produces in the fan operation in-process drives under the rotation effect of blade 2 at impeller dish 1 and exports, utilize setting up of wind-guiding groove 8 on impeller dish 1 to cooperate the air current that blade 2 can be quick output impact on impeller dish 1, avoid the air current to strike impact too big on impeller dish 1, when wearing and tearing cracked blade 2 appears, screw down bolt b9 and bolt c10 contact the fixed to blade 2 and solid fixed ring 3, then screw down bolt a6 and make semicircle ring a4 and semicircle ring b5 separate, and then take off damaged blade 2, then change new blade 2 and go on with bolt a6 with semicircle ring a4 and semicircle ring b5 equipment fixed form solid fixed ring 3, and utilize bolt b9 and bolt c10 to fix blade 2 and solid fixed ring 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fan wheel with wind-guiding groove, includes impeller dish (1), its characterized in that: the front surface of the impeller disc (1) is fixedly provided with a plurality of blades (2), the blades (2) are provided with jacks (11), a fixing ring (3) is arranged in the insertion hole (11), the fixing ring (3) is arranged on the front surface of the impeller disc (1), the fixing ring (3) mainly comprises a semicircular ring a (4) and a semicircular ring b (5), the semicircular ring a (4) and the semicircular ring b (5) are fixedly connected through a bolt a (6), the back surfaces of the semicircular ring a (4) and the semicircular ring b (5) are respectively provided with a plurality of threaded holes c, the impeller disc (1) is provided with a plurality of threaded holes d, and the inner side wall of the threaded hole d is in threaded connection with a bolt c (10), the bolt c (10) penetrates through the threaded hole d and is in threaded connection with the inner side wall of the threaded hole c, and the front face of the impeller disc (1) is provided with an air guide groove (8).

2. The fan impeller with the air guide groove according to claim 1, wherein: the front surface of the impeller disc (1) is provided with a slot (7), the outer surface of the blade (2) is attached to the inner side wall of the slot (7), the back surface of the blade (2) is provided with a threaded hole a, the impeller disc (1) is provided with a threaded hole b, the inner wall of the threaded hole b is in threaded connection with a bolt b (9), and the bolt b (9) penetrates through the inner side wall of the threaded hole b in threaded connection with the threaded hole a.

3. The fan impeller with the air guide groove according to claim 1, wherein: the number of the air guide grooves (8) is a plurality, and the air guide grooves (8) are respectively arranged between two adjacent blades (2) on the front surface of the impeller disc (1).

4. The fan impeller with the air guide groove according to claim 1, wherein: and the semicircular ring a (4) and the semicircular ring b (5) are provided with limiting grooves with the same number as the blades (2).

5. The fan impeller with the air guide groove according to claim 1, wherein: the radian of the air guide groove (8) is the same as that of the blade (2).