CN217603010U

CN217603010U - Fan blade noise reduction device with sheath

Info

Publication number: CN217603010U
Application number: CN202221272082.1U
Authority: CN
Inventors: 郭庆锋; 滕毅; 张岩
Original assignee: Shanxi Hongming Air Conditioning Technology Co ltd; Hongming Technology Group Co ltd
Current assignee: Shanxi Hongming Air Conditioning Technology Co ltd; Hongming Technology Group Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-10-18
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a take fan blade of sheath to fall device of making an uproar, including fan body and rotation axis, the rigid coupling has the rotation axis in the middle of the inside of fan body, fixing device is installed to the outer wall of fan body, the device of making an uproar falls in fixing device's inboard installation. This take device of making an uproar falls in fan blade of sheath, can drive the rectangular block through the fan blade and remove, make the rectangular block enter into the recess of fan body, later rethread bolt and screw hole alright fix the rectangular block on the fan body, alright prevent that the rectangular block from taking place to rock when the fan blade rotates like this, and then just played the purpose of making an uproar falls, can extrude the rectangular block, make the rectangular block drive the baffle and remove, the baffle drives the barrel and removes, make the barrel remove in horizontal pole department, barrel cooperation dog can extrude the spring simultaneously, make the spring take place elastic deformation, thereby the elastic action of cooperation spring alright make the fan blade more stable.

Description

Fan blade noise reduction device with sheath

Technical Field

The utility model relates to a fan blade technical field specifically is a device of making an uproar falls in fan blade of taking sheath.

Background

The fan blades, that is, the fan blades, are generally composed of 3 or 5 blades, the cross section of a common fan blade is generally in a curve shape, the width and the angle of the fan blade of the fan are designed according to the load power of a motor, and the design and the manufacture of the fan blades are in a regular symmetrical structure, so that a uniform and stable wind source can be generated.

And the fastness of the fan blade among the prior art and fan junction fixed is not good, produces great noise when rotating like this easily, also does not set up the device of making an uproar simultaneously, is unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take fan blade of sheath to fall and make an uproar device to the fastness that the fan blade that proposes and among the prior art was fixed with the fan junction is not good among the solution above-mentioned background art, produces great noise when rotating easily like this, also does not set up simultaneously and falls the device of making an uproar, is unfavorable for the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take device of making an uproar falls in fan blade of sheath, includes fan body and rotation axis, the outer wall processing of fan body has a plurality of recesses, and the processing of the groove inner wall of fan body has the circular port, the rigid coupling has the rotation axis in the middle of the inside of fan body, fixing device is installed to the outer wall of fan body, the device of making an uproar falls in fixing device's inboard installation.

Preferably, the fixing device comprises a rectangular block, the outer wall of one end of the rectangular block is in clearance fit with the inner wall of the groove of the fan body, the outer wall of the other end of the rectangular block is fixedly connected with a fan blade, and a plurality of threaded holes are machined in the rectangular block.

Preferably, the fan body is in threaded connection with the threaded hole of the rectangular block through a plurality of bolts, so that the rectangular block can be fixed through the matching of the bolts and the threaded hole.

Preferably, the noise reduction device comprises a baffle, and is a plurality of the outer wall of the baffle is attached to the outer wall of the rectangular block, the outer wall of the baffle is in clearance fit with the inner wall of the groove of the fan body, the outer wall of the other end of the baffle is fixedly connected with the barrel, the outer wall of the barrel is in clearance fit with the inner wall of the circular hole of the fan body, the cross rod is installed at the opening of the barrel, the outer wall of the cross rod is in clearance fit with the inner wall of the opening of the barrel, and the inner side of the cross rod is fixedly connected with the inner wall of the circular hole of the fan body.

Preferably, the outer side of the cross rod is fixedly connected with a stop block, and the outer wall of the stop block is in clearance fit with the inner wall of the barrel.

Preferably, a spring is installed on the outer side of the inner portion of the barrel, and the outer walls of the two ends of the spring are fixedly connected with the stop block and the barrel respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the fan blade noise reduction device with the sheath can drive the rectangular block to move through the fan blade, so that the rectangular block enters the groove of the fan body, and then the rectangular block can be fixed on the fan body through the bolt and the threaded hole, so that the rectangular block can be prevented from shaking when the fan blade rotates, and the purpose of noise reduction is achieved;

can extrude the rectangular block, make the rectangular block drive the baffle and remove, the baffle drives the barrel and removes, makes the barrel remove in horizontal pole department, and barrel cooperation dog can extrude the spring simultaneously, makes the spring take place elastic deformation to the spring action of cooperation spring alright with make the fan blade more stable.

Drawings

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

FIG. 2 is a schematic view of the arrangement of the windcheater, rectangular blocks and threaded holes of FIG. 1;

FIG. 3 is a schematic view of the fan body, the baffle and the cross bar of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 1 at the location of the bolts, disks and connecting rods;

fig. 5 is a schematic structural view of the spring, the material blocking part and the cylinder in fig. 1.

In the figure: 1. the fan comprises a fan body, 2, a rotating shaft, 3, a fixing device, 301, a rectangular block, 302, fan blades, 303, threaded holes, 4, a noise reduction device, 401, a baffle plate, 402, a cylinder body, 403, a cross rod, 5, a bolt, 6, a stop block, 7, a spring, 4A1, a disc, 4A2 and a connecting rod.

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.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a take fan blade of sheath to fall device of making an uproar, includes fan body 1 and rotation axis 2, and the outer wall processing of fan body 1 has a plurality of recesses, and the processing of the groove inner wall of fan body 1 has the circular port, and the rigid coupling has rotation axis 2 in the middle of the inside of fan body 1, and external equipment can drive fan body 1 through rotation axis 2 and rotate, and fixing device 3 is installed to the outer wall of fan body 1, and the device of making an uproar 4 is fallen to fixing device 3's inboard installation.

The fixing device 3 comprises rectangular blocks 301, fan blades 302 and threaded

holes

303,5, the outer wall of one end of each rectangular block 301 is in clearance fit with the inner wall of a groove of the fan body 1, the rectangular blocks 301 can be installed at the grooves of the fan body 1, the outer wall of the other end of each rectangular block 301 is fixedly connected with the fan blades 302, the outer wall of each fan blade 302 is provided with a fan blade transparent cover and a fan blade She Mengai which can protect the

fan blades

302, 2 threaded holes 303 are processed in the rectangular blocks 301, and the fan body 1 is in threaded connection with the threaded holes 303 of the rectangular blocks 301 through 2 bolts 5;

can drive rectangular block 301 through fan blade 302 and remove, make rectangular block 301 enter into fan body 1's recess in, later rethread bolt 5 and screw hole 303 alright with fixing rectangular block 301 on fan body 1, alright prevent rectangular block 301 to take place to rock when fan blade 302 rotates like this, and then just played the purpose of making an uproar.

The noise reduction device 4 comprises a baffle 401, a cylinder 402 and

cross bars

403,5, wherein the outer walls of the baffle 401 are attached to the outer wall of a rectangular block 301, the outer wall of the baffle 401 is in clearance fit with the inner wall of a groove of a fan body 1, the baffle 401 can be driven to move by the rectangular block 301, the outer wall of the other end of the baffle 401 is fixedly connected with the cylinder 402, an opening is formed in the inner side of the cylinder 402, the outer wall of the cylinder 402 is in clearance fit with the inner wall of the circular hole of the fan body 1, the cross bars 403 are installed at the opening of the cylinder 402, the outer wall of the cross bars 403 is in clearance fit with the inner wall of the opening of the cylinder 402, the cylinder 402 can move at the cross bars 403, the inner side of the cross bars 403 is fixedly connected with the inner wall of the circular hole of the fan body 1, stop blocks 6 are fixedly connected with the outer side of the cross bars 403, the stop blocks 6 can play a fiber role on the cylinder 402, the outer wall of the cross bars 6 is in clearance fit with the inner wall of the cylinder 402, springs 7 are installed on the outer side of the inner side of the cylinder 402, and the outer walls of the two ends of the springs 7 are fixedly connected with the stop blocks 6 and the cylinder 402 respectively, and the springs 7 can be elastically deformed when the cylinder 402;

can extrude rectangular block 301, make rectangular block 301 drive baffle 401 and remove, baffle 401 drives barrel 402 and removes, makes barrel 402 remove in horizontal pole 403 department, and barrel 4402 cooperation dog 6 can extrude spring 7 simultaneously, makes spring 7 take place elastic deformation to cooperation spring 7's elastic force effect alright make fan blade 302 more stable.

In this embodiment, when an operator needs to use the fan blade noise reduction device with the sheath, firstly, the operator can install a fan blade blank cap and a wind She Tougai on the outer wall of the fan blade 302, so as to protect the fan blade 302, then the fan blade 302 drives the rectangular block 301 to move, so that the rectangular block 301 enters the groove of the fan body 1, the rectangular block 301 is extruded, the rectangular block 301 drives the baffle 401 to move, the baffle 401 drives the cylinder 402 to move, the cylinder 402 moves at the cross bar 403, meanwhile, the cylinder 4402 is matched with the baffle 6 to extrude the spring 7, so that the spring 7 is elastically deformed, then the rectangular block 301 can be fixed on the fan body 1 through the bolts 5 and the threaded holes 303, and simultaneously, the fan blade 302 can be more stable by being matched with the elastic action of the spring 7, so that the rectangular block 301 can be prevented from shaking when the fan blade 302 rotates, and the purpose of noise reduction is further achieved.

Example two

Referring to fig. 1, 3 and 4, the present invention provides a technical solution: a fan blade noise reduction device with a sheath is characterized in that the noise reduction device 4 further comprises a disc 4A1 and a connecting rod 4A2, 5 openings are processed on the outer wall of the disc 4A1, the inner wall of each opening of the disc 4A1 is in clearance fit with the outer wall of a fan blade 302, the fan blade 302 can penetrate through the opening of the disc 4A1, 5 connecting rods 4A2 are fixedly connected to the inner wall of the disc 4A1, and the outer wall of the other end of each connecting rod 4A2 is fixedly connected with a fan body 1;

thus, the disc 4A1 and the fan body 1 can be fixed through the connecting rod 4A2, so that wind resistance can be reduced through the radian of the disc 4A1, and the purpose of noise reduction is further achieved.

In this embodiment, when an operator needs to use the fan blade noise reduction device with the sheath, the disc 4A1 can be fixed on the fan body 1 through the connecting rod 4A2, 5 openings are processed on the outer wall of the disc 4A1, and the opening positions correspond to the groove positions of the fan body 1, so that the fan blade 302 can drive the rectangular block 301 to pass through the opening of the disc 4A1 and enter the groove of the fan body 1, and therefore the fan blade 302 can be limited through the disc 4A1, and the fan blade 302 is more stable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 device of making an uproar falls in fan blade of taking sheath, includes fan body (1) and rotation axis (2), the outer wall processing of fan body (1) has a plurality of recesses, and the processing of the groove inner wall of fan body (1) has the circular port, the rigid coupling has rotation axis (2), its characterized in that in the middle of the inside of fan body (1): fixing device (3) are installed to the outer wall of fan body (1), noise reduction device (4) are installed to the inboard of fixing device (3).

2. The fan blade noise reduction device with the sheath according to claim 1, wherein: the fixing device (3) comprises a rectangular block (301), the outer wall of one end of the rectangular block (301) is in clearance fit with the inner wall of the groove of the fan body (1), the outer wall of the other end of the rectangular block (301) is fixedly connected with a fan blade (302), and a plurality of threaded holes (303) are machined in the rectangular block (301).

3. The fan blade noise reduction device with the sheath according to claim 1, wherein: the fan body (1) is in threaded connection with the threaded hole (303) of the rectangular block (301) through a plurality of bolts (5).

4. The fan blade noise reduction device with the sheath according to claim 1, wherein: noise reduction device (4) are including baffle (401), and are a plurality of the outer wall of baffle (401) is laminated with the outer wall of rectangular block (301) mutually, and the outer wall of baffle (401) and the groove department inner wall clearance fit of fan body (1), the other end outer wall rigid coupling of baffle (401) has barrel (402), and the outer wall of barrel (402) and the circular hole department inner wall clearance fit of fan body (1), horizontal pole (403) are installed to the opening part of barrel (402), and the outer wall of horizontal pole (403) and the opening part inner wall clearance fit of barrel (402), the inboard of horizontal pole (403) and the circular hole department inner wall rigid coupling of fan body (1).

5. The fan blade noise reduction device with the sheath according to claim 4, wherein: the outer side of the cross rod (403) is fixedly connected with a stop block (6), and the outer wall of the stop block (6) is in clearance fit with the inner wall of the barrel body (402).

6. The fan blade noise reduction device with the sheath according to claim 4, wherein: and a spring (7) is arranged on the outer side of the inner part of the cylinder body (402), and the outer walls of two ends of the spring (7) are respectively and fixedly connected with the stop block (6) and the cylinder body (402).