CN213684606U

CN213684606U - Novel low-noise fan

Info

Publication number: CN213684606U
Application number: CN202022661197.7U
Authority: CN
Inventors: 毛文雨; 何沛; 史荆宇
Original assignee: Yixing Unite Machinery Co ltd
Current assignee: Yixing Unite Machinery Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-13
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a novel low noise fan relates to fan technical field, including the fan case, the motor is installed to the bottom inner wall of fan case, the output of motor is connected with bevel gear, bevel gear's one end is connected with the flabellum, the outer wall of flabellum has cup jointed fixed nest block, the inside fixedly connected with second dead lever of fixed nest block, the inner wall of fan case is installed and is inhaled the sound cotton, the mount pad is installed to the below of fan case. The utility model discloses a setting up third connecting rod, fourth connecting rod and transfer line, through the swivel of artifical rotatory transfer line one end, the transfer line is rotatory to be made two sets of third connecting rod relative movement, and two sets of third connecting rod relative movement stimulate two sets of fourth connecting rods back of the body moving away from each other, and two sets of fourth connecting rod back of the body moving away from each other shifts out from the mounting groove of fan case both sides, and the rotatory second group transfer line of the same reason shifts out the fourth connecting rod from fan case both sides mounting groove.

Description

Novel low-noise fan

Technical Field

The utility model relates to a fan technical field specifically is a novel low noise fan.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of the input mechanical energy, and the common fan is directly connected with the fan through a rotating shaft, so that the rotating shaft and the fan are easy to resonate to generate noise.

The existing fan is generally fixed at a certain position to be used when in use, resonance is easily generated to generate noise, meanwhile, the noise generated by the fan in the device can not be weakened, the noise is reduced, the existing fan can not filter the air body when in use, the phenomenon that a large amount of dust and sundries are accumulated in the fan to reduce the use effect of the fan is avoided, and meanwhile, the service life of the fan is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the noise of the fan is too large and the air body cannot be filtered, a novel low-noise fan is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a novel low-noise fan comprises a fan box, wherein a motor is installed on the inner wall of the bottom end of the fan box, the output end of the motor is connected with a bevel gear, one end of the bevel gear is connected with a fan blade, a fixed sleeve block is sleeved on the outer wall of the fan blade, a second fixed rod is fixedly connected inside the fixed sleeve block, sound-absorbing cotton is installed on the inner wall of the fan box, an installation seat is installed below the fan box, a first fixed rod is fixedly connected inside the installation seat, a sliding block is sleeved on the outer wall of the first fixed rod, a first spring is fixedly connected at one end of the sliding block, a first connecting rod is connected on the outer wall of the sliding block, a second connecting rod is connected below the first connecting rod on the outer wall of the sliding block, a second spring is installed at the bottom end inside the installation seat, and a second supporting seat is fixedly, the bottom fixedly connected with first supporting seat of fan box, the top fixedly connected with fixed block of fan box, the one end fixedly connected with transfer line of fixed block, the outer wall of transfer line has cup jointed the third connecting rod, the one end of third connecting rod is connected with the fourth connecting rod, the filter screen is installed to one side inner wall of fan box.

Preferably, the inner wall of the bottom end of the fan box is provided with a fixing groove matched with the motor, and the output end of the motor is rotatably connected with the bevel gear through a rotating shaft.

Preferably, the one end of head rod rotates through pivot and first supporting seat to be connected, the other end of head rod rotates through pivot and slider to be connected, the one end of second connecting rod rotates through pivot and slider to be connected, the other end of second connecting rod rotates through pivot and second supporting seat to be connected.

Preferably, the fixed block is provided with two sets, the outside fixedly connected with swivel that extends to the fixed block in a set of fixed block is run through to the one end of transfer line, the inner wall of fixed block is located the below fixedly connected with gag lever post of transfer line.

Preferably, the third connecting rods are provided with two groups, the outer wall of the transmission rod is provided with positive and negative threads, one group of the third connecting rods is sleeved on the positive threads on the outer wall of the transmission rod, and the other group of the third connecting rods is sleeved on the negative threads on the outer wall of the transmission rod.

Preferably, the inner wall of one side of the fan box is provided with a mounting groove matched with the filter screen, one end of the third connecting rod is rotatably connected with the fourth connecting rod through a rotating shaft, and one side of the fourth connecting rod is rotatably connected with the fan box through a rotating shaft.

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

1. the utility model has the advantages that the sound absorption cotton, the first connecting rod, the second connecting rod, the first spring and the second spring are arranged, when the fan works, the noise generated by the rotation of the fan blade is absorbed by the sound absorption cotton, the noise generated by the rotation of the fan blade is reduced, meanwhile, the fan box is fixed at a designated position and generates resonance when working, the resonance generated by the fan box is transmitted to the first supporting seat, the first supporting seat moves downwards when being applied with external force, the two groups of first connecting rods move oppositely to drive the two groups of sliders to move oppositely, the two groups of sliders move oppositely to extrude the first spring, the first spring generates acting force opposite to the extrusion force when being applied with external extrusion force, the extrusion force is decomposed, the resonance generated by the fan box is weakened, the first spring is compressed by the extrusion force and then extends through the self-generated elasticity of the first spring, the two groups of sliders move relatively, the two groups of sliders move relatively to drive the second connecting rod to move relatively, the second connecting rod moves relatively to extrude the second spring through the second supporting seat, the second spring is compressed by extrusion force, the second spring is compressed to generate acting force opposite to the extrusion force to decompose the extrusion force, resonance generated by the fan box is weakened, and noise pollution generated by the fan box is reduced;

2. the utility model discloses a set up the third connecting rod, fourth connecting rod and transfer line, change through the swivel of artifical rotatory transfer line one end, the transfer line is rotatory to make two sets of third connecting rod relative movement, two sets of third connecting rod relative movement stimulate two sets of fourth connecting rod back of the body moving away from, two sets of fourth connecting rod back of the body moving away from the mounting groove of fan case both sides shifts out, the rotatory second group transfer line of the same reason shifts out the fourth connecting rod from fan case both sides mounting groove, dismantle two sets of filter screens through the manual work and get off to change the washing, avoid filter screen surface to adhere to a large amount of dust and influence the inside air flow of fan case.

Drawings

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

FIG. 2 is a schematic view of the installation of the filter screen of the present invention;

fig. 3 is a side view of the filter net of the present invention.

In the figure: 1. a fan box; 2. a fan blade; 3. a first support base; 4. a first fixing lever; 5. a first spring; 6. a mounting seat; 7. a slider; 8. a first connecting rod; 9. a second connecting rod; 10. a second spring; 11. a second support seat; 12. a motor; 13. a bevel gear; 14. fixing the sleeve block; 15. sound-absorbing cotton; 16. a second fixing bar; 17. a fixed block; 18. a transmission rod; 19. a third connecting rod; 20. a fourth connecting rod; 21. and (4) a filter screen.

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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" 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. The following describes an embodiment of the present invention according to its overall structure.

The electric motor (90YYJT) mentioned in the utility model can be obtained by market or private ordering.

Referring to fig. 1-3, a novel low noise fan comprises a fan case 1, a motor 12 is mounted on the inner wall of the bottom end of the fan case 1, an output end of the motor 12 is connected with a bevel gear 13, one end of the bevel gear 13 is connected with a fan blade 2, a fixing sleeve block 14 is sleeved on the outer wall of the fan blade 2, a second fixing rod 16 is fixedly connected inside the fixing sleeve block 14, sound absorbing cotton 15 is mounted on the inner wall of the fan case 1, a mounting seat 6 is mounted below the fan case 1, a first fixing rod 4 is fixedly connected inside the mounting seat 6, a slider 7 is sleeved on the outer wall of the first fixing rod 4, a first spring 5 is fixedly connected to one end of the slider 7, a first connecting rod 8 is connected to the outer wall of the slider 7, a second connecting rod 9 is connected below the first connecting rod 8 to the outer wall of the slider 7, a second spring 10 is mounted at the bottom end of the mounting seat 6, and, the bottom end of the fan box 1 is fixedly connected with the first supporting seat 3, the top end of the fan box 1 is fixedly connected with the fixed block 17, one end of the fixed block 17 is fixedly connected with the transmission rod 18, the outer wall of the transmission rod 18 is sleeved with the third connecting rod 19, one end of the third connecting rod 19 is connected with the fourth connecting rod 20, and the inner wall of one side of the fan box 1 is provided with the filter screen 21.

Please refer to fig. 1, the inner wall of the bottom end of the fan box 1 is provided with a fixing groove matched with the motor 12, the output end of the motor 12 is rotatably connected with the bevel gear 13 through a rotating shaft, so that the motor 12 is conveniently installed, and the rotation of the motor 12 drives the bevel gear 13 to rotate through the rotating shaft.

Please refer to fig. 1, one end of the first connecting rod 8 is rotatably connected to the first supporting seat 3 through a rotating shaft, the other end of the first connecting rod 8 is rotatably connected to the sliding block 7 through a rotating shaft, one end of the second connecting rod 9 is rotatably connected to the sliding block 7 through a rotating shaft, and the other end of the second connecting rod 9 is rotatably connected to the second supporting seat 11 through a rotating shaft, so that the first connecting rod 8 and the second connecting rod 9 can rotate conveniently.

Please refer to fig. 2, two sets of fixing blocks 17 are provided, one end of the transmission rod 18 penetrates through one set of fixing blocks 17 and extends to the outside of the fixing block 17 to be fixedly connected with a rotating ring, a limiting rod is fixedly connected to the inner wall of the fixing block 17 below the transmission rod 18 for facilitating the rotation of the transmission rod 18, and a third connecting rod 19 is used for limiting.

Please refer to fig. 2, the third connecting rods 19 are provided with two sets, the outer wall of the transmission rod 18 is provided with a positive thread and a negative thread, one set of the third connecting rods 19 is sleeved on the positive thread of the outer wall of the transmission rod 18, and one set of the third connecting rods 19 is sleeved on the negative thread of the outer wall of the transmission rod 18, so that the two sets of the third connecting rods 19 can move towards or away from each other at the same time.

Please refer to fig. 2, an inner wall of one side of the fan box 1 is provided with a mounting groove matched with the filter screen 21, one end of the third connecting rod 19 is rotatably connected with the fourth connecting rod 20 through a rotating shaft, one side of the fourth connecting rod 20 is rotatably connected with the fan box 1 through a rotating shaft, so that the filter screen 21 is conveniently mounted, and the third connecting rod 19 and the fourth connecting rod 20 rotate.

The working principle is as follows: firstly, when the fan works, the noise generated by the rotation of the fan blade 2 is absorbed through the sound absorption cotton 15, the noise generated by the rotation of the fan blade 2 is reduced, meanwhile, the fan box 1 is fixed at a designated position to generate resonance when working, the resonance generated by the fan box 1 is transmitted to the first supporting seat 3, the first supporting seat 3 moves downwards when being subjected to external force, the first supporting seat 3 moves downwards to enable the two groups of first connecting rods 8 to move oppositely, the two groups of first connecting rods 8 move oppositely to drive the two groups of sliding blocks 7 to move oppositely, the two groups of sliding blocks 7 move oppositely to extrude the first spring 5, the first spring 5 generates acting force opposite to the extrusion force when being subjected to external extrusion force, the extrusion force is decomposed to weaken the resonance generated by the fan box 1, the first spring 5 extends through the self-generated elasticity of the first spring 5 after being compressed by the extrusion force, and enables the two groups of sliding blocks, two groups of sliders 7 move relatively to drive a second connecting rod 9 to move relatively, the second connecting rod 9 moves relatively to extrude a second spring 10 through a second supporting seat 11, the second spring 10 is compressed by extrusion force, the second spring 10 is compressed to generate acting force opposite to the extrusion force to decompose the extrusion force, resonance generated by the fan box 1 is weakened, noise pollution generated by the fan box 1 is reduced, through rotating a rotating ring at one end of a manual rotating transmission rod 18, the transmission rod 18 rotates to enable two groups of third connecting rods 19 to move relatively, the two groups of third connecting rods 19 move relatively to pull the two groups of fourth connecting rods 20 to move back to back, the two groups of fourth connecting rods 20 move back to back from mounting grooves at two sides of the fan box 1, the second group of transmission rods 18 are rotated similarly to move the fourth connecting rods 20 out from the mounting grooves at two sides of the fan box 1, and two groups of filter screens 21 are disassembled, the influence of a large amount of dust attached to the surface of the filter screen 21 on the air flow in the fan box 1 is avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel low noise fan, includes fan box (1), its characterized in that: the fan box is characterized in that a motor (12) is installed on the inner wall of the bottom end of the fan box (1), the output end of the motor (12) is connected with a bevel gear (13), one end of the bevel gear (13) is connected with a fan blade (2), a fixed sleeve block (14) is sleeved on the outer wall of the fan blade (2), a second fixed rod (16) is fixedly connected inside the fixed sleeve block (14), sound-absorbing cotton (15) is installed on the inner wall of the fan box (1), a mounting seat (6) is installed below the fan box (1), a first fixed rod (4) is fixedly connected inside the mounting seat (6), a slider (7) is sleeved on the outer wall of the first fixed rod (4), a first spring (5) is fixedly connected to one end of the slider (7), a first connecting rod (8) is connected to the outer wall of the slider (7), a second connecting rod (9) is connected below the first connecting rod (8) to the outer wall of the, second spring (10) are installed to the inside bottom of mount pad (6), top fixedly connected with second supporting seat (11) of second spring (10), the first supporting seat (3) of bottom fixedly connected with of fan case (1), top fixedly connected with fixed block (17) of fan case (1), the one end fixedly connected with transfer line (18) of fixed block (17), third connecting rod (19) have been cup jointed to the outer wall of transfer line (18), the one end of third connecting rod (19) is connected with fourth connecting rod (20), filter screen (21) are installed to one side inner wall of fan case (1).

2. The novel low noise blower of claim 1, wherein: the fan box is characterized in that a fixing groove matched with the motor (12) is formed in the inner wall of the bottom end of the fan box (1), and the output end of the motor (12) is rotatably connected with the bevel gear (13) through a rotating shaft.

3. The novel low noise blower of claim 1, wherein: the one end of head rod (8) is rotated through pivot and first supporting seat (3) and is connected, the other end of head rod (8) is rotated through pivot and slider (7) and is connected, the one end of second connecting rod (9) is rotated through pivot and slider (7) and is connected, the other end of second connecting rod (9) is rotated through pivot and second supporting seat (11) and is connected.

4. The novel low noise blower of claim 1, wherein: the fixed block (17) is provided with two sets, the outside fixedly connected with swivel that extends to fixed block (17) in a set of fixed block (17) is run through to the one end of transfer line (18), the inner wall of fixed block (17) is located the below fixedly connected with gag lever post of transfer line (18).

5. The novel low noise blower of claim 1, wherein: the three connecting rods (19) are arranged in two groups, the outer wall of the transmission rod (18) is provided with positive and negative threads, the three connecting rods (19) are sleeved on the positive threads on the outer wall of the transmission rod (18), and the third connecting rods (19) are sleeved on the negative threads on the outer wall of the transmission rod (18).

6. The novel low noise blower of claim 1, wherein: the fan box is characterized in that an installation groove matched with the filter screen (21) is formed in the inner wall of one side of the fan box (1), one end of the third connecting rod (19) is rotatably connected with the fourth connecting rod (20) through a rotating shaft, and one side of the fourth connecting rod (20) is rotatably connected with the fan box (1) through a rotating shaft.