CN215409410U

CN215409410U - Low-noise impeller assembly

Info

Publication number: CN215409410U
Application number: CN202121518533.0U
Authority: CN
Inventors: 翟成程; 刘彬; 刘军丰; 刘欢欢
Original assignee: Jinshunhao Abrasive Materials Nantong Co Ltd
Current assignee: Jinshunhao Abrasive Materials Nantong Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-04
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a low-noise impeller assembly which comprises a mounting seat, a mounting cover and a sound absorption cavity, wherein a rotary table is mounted at one end of the mounting seat, blades are welded at one end of the rotary table, a connecting shaft is arranged inside the rotary table, a lubricating structure is arranged outside the connecting shaft, the mounting cover is fixed at one end of the mounting seat, a dustproof structure is arranged on one side inside the mounting cover, the sound absorption cavity is fixed on the inner side wall of the mounting cover, and a sound absorption plate is fixed inside the sound absorption cavity. According to the impeller assembly, the sound absorption cavity and the sound absorption plate are arranged, when the rotating disc drives the blades to rotate rapidly, certain noise can be generated, the sound absorption plate in the mounting cover can be used for carrying out noise reduction treatment on the noise, the sound absorption cavity can be used for isolating the sound to be transmitted to the outside, noise pollution is reduced to the maximum extent, the working environment is maintained, and the functionality of the impeller assembly is improved.

Description

Low-noise impeller assembly

Technical Field

The utility model relates to the technical field of impellers, in particular to a low-noise impeller assembly.

Background

With the rapid development of national economy and the continuous improvement of the technological level, the electric power and electrical appliance industry in China is developed rapidly, certain electrical appliances can use the impeller assembly during operation, and the normal operation of the electrical appliances is ensured through the impeller assembly, so that the low-noise impeller assembly can be used;

however, when the existing impeller assembly is operated, the blades can generate large noise when rotating rapidly, certain influence can be caused on work, and an improvement space is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a low-noise impeller assembly, which is used for solving the defect that the conventional blades generate large noise when rotating rapidly and can affect the work to a certain extent.

(II) contents of utility model

In order to solve the technical problems, the utility model provides the following technical scheme: a low-noise impeller assembly comprises a mounting seat, a mounting cover and a sound absorption cavity, wherein a rotary table is mounted at one end of the mounting seat, blades are welded at one end of the rotary table, a connecting shaft is arranged inside the rotary table, a lubricating structure is arranged outside the connecting shaft, and the mounting cover is fixed at one end of the mounting seat;

a dustproof structure is arranged on one side inside the mounting cover, and a sound absorption cavity is fixed on the inner side wall of the mounting cover;

and a sound attenuation plate is fixed in the sound absorption cavity.

Preferably, the lubricating structure comprises a retaining groove, a steel ball, a preformed hole and a shaft sleeve, the shaft sleeve is arranged outside the connecting shaft, the retaining groove is formed in the inner side wall of the shaft sleeve, the steel ball is arranged inside the retaining groove, and the preformed hole is formed in the top end of the inside of the shaft sleeve.

Preferably, the inner diameter of the retaining groove is larger than the outer diameter of the steel ball, and a rolling structure is formed between the retaining groove and the steel ball.

Preferably, the holding grooves and the steel balls are arranged in a plurality, and the holding grooves and the steel balls are distributed in the shaft sleeve in an annular mode.

Preferably, the dustproof structure comprises a dustproof plate, a clamping block and a clamping groove, the dustproof plate is arranged on one side inside the installation cover, the clamping block is fixed outside the dustproof plate, and the clamping groove is formed in the inner side wall of the installation cover.

Preferably, the thickness of the clamping block is smaller than the inner diameter of the clamping groove, and a clamping structure is formed between the clamping block and the clamping groove.

Preferably, the number of the clamping blocks is three, and the three clamping blocks are distributed annularly outside the dustproof plate.

(III) advantageous effects

The utility model provides a low-noise impeller assembly, which has the advantages that: the sound absorption cavity and the sound absorption plate are arranged, so that certain noise can be generated when the rotary disc drives the blades to rotate quickly, the sound absorption plate in the mounting cover can be used for carrying out sound absorption treatment on the noise, and the sound absorption cavity can be used for isolating sound to be transmitted to the outside, so that the noise pollution is reduced to the maximum extent, the working environment is maintained, and the functionality of the impeller assembly is improved;

by arranging the lubricating structure, when the shaft sleeve and the connecting shaft are used for a long time, lubricating oil is injected into the shaft sleeve through the reserved hole, the lubricating oil can slowly permeate into the retaining groove, so that the lubricating property between the retaining groove and the steel ball is improved, the friction force between the shaft sleeve and the connecting shaft can be reduced by rolling the steel ball in the retaining groove, and the abrasion speed is shortened;

through being provided with dustproof construction, the dust guard of taking places the dust guard the inside of installation cover, later rotatory dust guard, and it is rotatory that the dust guard moves the fixture block, rotates the inside to the draw-in groove of fixture block, and the inside of draw-in groove can be gone into to the fixture block this moment, plays dirt-proof function through the dust guard, prevents that the dust from entering into the inside of impeller.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a front view of the dustproof structure of the present invention;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

fig. 6 is a schematic front sectional view of the sound-absorbing chamber according to the present invention.

The reference numerals in the figures illustrate:

1. a mounting seat; 2. a turntable; 3. mounting a cover; 4. a blade; 5. a sound absorbing chamber; 6. a lubrication structure; 601. a holding groove; 602. steel balls; 603. reserving a hole; 604. a shaft sleeve; 7. a connecting shaft; 8. a dust-proof structure; 801. a dust-proof plate; 802. a clamping block; 803. a card slot; 9. an acoustical panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings 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, an embodiment of the present invention is shown: a low-noise impeller assembly comprises a mounting seat 1, a mounting cover 3 and a sound absorption cavity 5, wherein a rotary table 2 is mounted at one end of the mounting seat 1, blades 4 are welded at one end of the rotary table 2, a connecting shaft 7 is arranged inside the rotary table 2, a lubricating structure 6 is arranged outside the connecting shaft 7, and the mounting cover 3 is fixed at one end of the mounting seat 1;

a dustproof structure 8 is arranged on one side inside the mounting cover 3, a sound-absorbing cavity 5 is fixed on the inner side wall of the mounting cover 3, and a silencing plate 9 is fixed inside the sound-absorbing cavity 5;

specifically, as shown in fig. 1 and 6, when the structure is used, firstly, when the rotating disc 2 drives the blades 4 to rotate rapidly, certain noise is generated, the noise can be silenced through the silencing plate 9 in the mounting cover 3, and the sound can be isolated from being transmitted to the outside through the sound absorption cavity 5, so that the noise pollution is reduced to the greatest extent;

the lubricating structure 6 comprises a retaining groove 601, steel balls 602, a preformed hole 603 and a shaft sleeve 604, the shaft sleeve 604 is arranged outside the connecting shaft 7, the retaining groove 601 is arranged on the inner side wall of the shaft sleeve 604, the steel balls 602 are arranged inside the retaining groove 601, the preformed hole 603 is arranged at the top end inside the shaft sleeve 604, the inner diameter of the retaining groove 601 is larger than the outer diameter of the steel balls 602, a rolling structure is formed between the retaining groove 601 and the steel balls 602, the retaining groove 601 and the steel balls 602 are both provided with a plurality of retaining grooves 601 and the steel balls 602, and the retaining grooves 601 and the steel balls 602 are distributed in the shaft sleeve 604 in an annular mode, so that the friction force between the shaft sleeve 604 and the connecting shaft 7 is reduced;

specifically, as shown in fig. 1 and 5, when this structure is used, first, when the sleeve 604 and the connecting shaft 7 are used for a long time, lubricating oil is injected into the sleeve 604 through the prepared hole 603, the lubricating oil slowly penetrates into the inside of the holding groove 601, and the lubricity between the holding groove 601 and the steel ball 602 is further improved, and the friction between the sleeve 604 and the connecting shaft 7 can be reduced and the wear rate can be reduced by the steel ball 602 rolling in the inside of the holding groove 601;

the dustproof structure 8 comprises a dustproof plate 801, clamping blocks 802 and clamping grooves 803, the dustproof plate 801 is arranged on one side inside the installation cover 3, the clamping blocks 802 are fixed on the outer portion of the dustproof plate 801, the clamping grooves 803 are arranged on the inner side wall of the installation cover 3, the thickness of each clamping block 802 is smaller than the inner diameter of each clamping groove 803, a clamping structure is formed between each clamping block 802 and each clamping groove 803, three clamping blocks 802 are arranged, the three clamping blocks 802 are distributed on the outer portion of the dustproof plate 801 in an annular mode, and the fastening performance during clamping is improved;

specifically, as shown in fig. 2 and 3, when using this structure, first, take dust guard 801, place dust guard 801 in the inside of installation cover 3, later rotatory dust guard 801, dust guard 801 drives fixture block 802 rotatory, rotates fixture block 802 to the inside of draw-in groove 803, and fixture block 802 can block into the inside of draw-in groove 803 this moment, plays dirt-proof function through dust guard 801, prevents that the dust from entering into the inside of impeller.

The working principle is as follows: when the impeller assembly is used, firstly, when the impeller assembly operates for a long time, lubricating oil is injected into the shaft sleeve 604 through the preformed hole 603, the lubricating oil can slowly permeate into the retaining groove 601, the lubricating property between the retaining groove 601 and the steel ball 602 is improved, and the friction force between the shaft sleeve 604 and the connecting shaft 7 can be reduced by rolling the steel ball 602 in the retaining groove 601;

secondly, when the dust guard 801 needs to be installed, the dust guard 801 is taken out, the dust guard 801 is placed inside the installation cover 3, then the dust guard 801 is rotated, the dust guard 801 drives the fixture block 802 to rotate, the fixture block 802 is rotated to the inside of the fixture groove 803, the fixture block 802 can be clamped into the inside of the fixture groove 803 at the moment, and the dust guard 801 can be fixed on one side of the inside of the installation cover 3;

finally, when carousel 2 drove blade 4 fast turn-round, can produce certain noise, can carry out noise cancelling treatment to the noise through the inside acoustical panel 9 of installation cover 3, and can completely cut off sound through sound-absorbing chamber 5 and transmit to the outside, finally accomplish this low noise impeller subassembly's use work.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a low noise impeller subassembly, includes mount pad (1), installation cover (3) and sound-absorbing cavity (5), its characterized in that: a rotary table (2) is mounted at one end of the mounting seat (1), blades (4) are welded at one end of the rotary table (2), a connecting shaft (7) is arranged inside the rotary table (2), a lubricating structure (6) is arranged outside the connecting shaft (7), and a mounting cover (3) is fixed at one end of the mounting seat (1);

a dustproof structure (8) is arranged on one side inside the mounting cover (3), and a sound absorption cavity (5) is fixed on the inner side wall of the mounting cover (3);

and a sound-absorbing plate (9) is fixed in the sound-absorbing cavity (5).

2. A low noise impeller assembly in accordance with claim 1, wherein: lubricating structure (6) are including holding groove (601), steel ball (602), preformed hole (603) and axle sleeve (604), axle sleeve (604) set up in the outside of connecting axle (7), all be provided with holding groove (601) on the inside wall of axle sleeve (604), and the inside of holding groove (601) is provided with steel ball (602), the inside top of axle sleeve (604) is provided with preformed hole (603).

3. A low noise impeller assembly according to claim 2, wherein: the inner diameter of the retaining groove (601) is larger than the outer diameter of the steel ball (602), and a rolling structure is formed between the retaining groove (601) and the steel ball (602).

4. A low noise impeller assembly according to claim 2, wherein: the retaining groove (601) and the steel ball (602) are provided with a plurality of retaining grooves, and the retaining grooves (601) and the steel ball (602) are annularly distributed in the shaft sleeve (604).

5. A low noise impeller assembly in accordance with claim 1, wherein: dustproof construction (8) include dust guard (801), fixture block (802) and draw-in groove (803), dust guard (801) set up in the inside one side of installation cover (3), the outside of dust guard (801) all is fixed with fixture block (802), all be provided with draw-in groove (803) on the inside wall of installation cover (3).

6. A low noise impeller assembly in accordance with claim 5, wherein: the thickness of the clamping block (802) is smaller than the inner diameter of the clamping groove (803), and a clamping structure is formed between the clamping block (802) and the clamping groove (803).

7. A low noise impeller assembly in accordance with claim 5, wherein: the number of the clamping blocks (802) is three, and the three clamping blocks (802) are distributed on the outer portion of the dust-proof plate (801) in an annular mode.