CN216950964U

CN216950964U - Fan blade mounting disc

Info

Publication number: CN216950964U
Application number: CN202122324767.8U
Authority: CN
Inventors: 陈志刚; 贾广华
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 relates to a flabellum mounting disc relates to fan technical field, which comprises a disc body, the fixed transmission sleeve who is provided with motor output shaft in disk body center, evenly set up a plurality of mountings that are used for fixed flabellum on the disk body, be provided with a plurality of balancing pieces that are used for balanced flabellum mounting disc on the disk body, all balancing piece evenly distributed is between two adjacent mountings. This application has the effect of improving the inhomogeneous uneven problem that leads to flabellum mounting disc rotation of flabellum mounting disc weight distribution.

Description

Fan blade mounting disc

Technical Field

The application relates to the technical field of fans, in particular to a fan blade mounting disc.

Background

The fan is mainly used for forcing air convection to accelerate air flow, and is commonly used in daily life and industrial production. The fan comprises fan blades, a motor, a disc body and the like, the disc body is used for installing the fan blades, and an output shaft of the motor drives the disc body to rotate so as to drive the fan blades to rotate, so that air is pushed to flow. Some flabellums are longer as a whole and are usually made of metal materials, and the blade handles of some flabellums are provided with mounting blocks, so that the flabellums are more stable in rotation.

The disc body for mounting and supporting the metal fan blade is generally an integrally formed metal casting, and when the disc body is cast, the mass distribution of the formed fan blade mounting disc is not uniform due to the reasons of process, operation and the like. The conditions of uneven and unbalanced rotation can easily occur when a fan blade mounting disc provided with fan blades rotates, and the operation safety of the fan is threatened.

SUMMERY OF THE UTILITY MODEL

In order to improve the disk body and lead to the inhomogeneous, unbalanced problem of rotation because of weight distribution is inhomogeneous, this application provides a flabellum mounting disc.

The application provides a flabellum mounting disc adopts following technical scheme:

the utility model provides a flabellum mounting disc, includes the disk body, the fixed transmission sleeve who is provided with motor output shaft cooperation transmission in disk body center, evenly set up a plurality of mountings that are used for fixed flabellum on the disk body, be provided with a plurality of balancing pieces that are used for balanced flabellum mounting disc on the disk body, all balancing piece evenly distributed is between two adjacent mountings.

By adopting the technical scheme, the fan blades are installed on the disc body by the fixing pieces, and when the disc body rotates unevenly and unevenly, the balancing pieces are arranged at corresponding positions on the disc body, so that the quality of the disc body is balanced, the disc body rotates evenly and balancedly, and the problem that the fan blade installation disc rotates unevenly and is unbalanced due to uneven weight distribution of the disc body is solved.

Optionally, the balancing piece includes the balance screw who is used for balancing flabellum mounting disc quality, set up a plurality of screw holes on the disk body between two adjacent mountings, balance screw and screw hole screw-thread fit.

By adopting the technical scheme, the balance screws are matched with the screw holes in the corresponding screw holes in a threaded manner, so that the problems of uneven rotation and unbalance of the fan blade mounting disc due to uneven mass distribution are favorably solved.

Optionally, the balance piece further includes a first elastic washer, the balance screw includes a screw body and an end, the first elastic washer is sleeved on the screw body, and the first elastic washer is tightly fitted between the disc body and the end of the balance screw.

Through adopting above-mentioned technical scheme, can produce lasting elasticity after first spring washer is compressed tightly, be favorable to improving the easy not hard up problem of balance screw.

Optionally, set up a plurality of flabellum grooves that are used for installing the flabellum on the disk body, all the flabellum groove is along the circumference evenly distributed of disk body, every the flabellum groove contains marginal groove and the central groove with marginal groove intercommunication, the central groove is located between transmission sleeve and the marginal groove, the mounting is in marginal groove department fixed connection flabellum and disk body.

Through adopting above-mentioned technical scheme, be favorable to fixing the flabellum in the flabellum inslot with the mounting.

Optionally, the mounting includes fixing bolt, fixing bolt contains the body of rod, is located the nut portion and the fixation nut of body of rod one end, the disk body is worn to locate by the body of rod, fixation nut and body of rod screw-thread fit.

By adopting the technical scheme, the fan blades are compressed by the fixing nuts on the fixing bolts, and the purpose that the fan blades are installed and fixed on the disc body is achieved.

Optionally, the fixing piece further comprises a locknut, the locknut is in threaded connection with the rod body, and the fixing nut is located between the locknut and the disk body.

Through adopting above-mentioned technical scheme, locknut is favorable to improving the easy not hard up problem of fixation nut.

Optionally, the fixing part further comprises a fixing gasket, the fixing gasket is sleeved on the rod body, and the fixing gasket is located between the disk body and the fixing nut.

By adopting the technical scheme, the fan blades are compressed by the fixed gasket, the area of the compressed part of the fan blades is increased, and the stress condition of the compressed part of the fan blades is improved.

Optionally, the fixing part further comprises a second elastic washer sleeved on the rod body, and the second elastic washer is located between the fixing gasket and the fixing nut.

Through adopting above-mentioned technical scheme, can produce lasting elasticity after the second elastic washer is compressed tightly, played certain locking effect to fixing bolt.

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

1. when the fan blades are installed on the fan blade installation disc and rotate unevenly and are unbalanced, the balance pieces are inserted into the corresponding screw holes, so that the fan blade installation disc rotates evenly and balancedly, and the problem that the fan blade installation disc rotates unevenly and is unbalanced due to uneven weight distribution of the fan blade installation disc is solved;

2. after the first spring washer is pressed, continuous elastic force can be generated, and the condition that the balance screw is loosened can be improved.

Set up locknut, locknut supports fixation nut tightly to the easy not hard up problem of fixation nut has been improved.

Drawings

Fig. 1 is a schematic view of an overall structure of a fan blade mounting plate according to embodiment 1 of the present application;

FIG. 2 is an exploded view of a balance screw and a fixing bolt according to example 1 of the present application;

fig. 3 is a schematic overall structure view of a fan blade mounting plate according to embodiment 2 of the present application;

fig. 4 is an exploded view of a balance screw and a fixing bolt according to example 3 of the present application.

Description of reference numerals: 1. a tray body; 11. screw holes; 12. a fan blade slot; 121. a central slot; 122. an edge groove; 13. a drive sleeve; 3. a balance member; 31. a balance screw; 311. a nail body; 312. a tip; 32. a first resilient gasket; 4. a fixing member; 41. fixing the bolt; 411. a rod body; 413. a nut portion; 414. fixing a nut; 415. a locknut; 416. fixing a gasket; 417. a second resilient gasket.

Detailed Description

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

The embodiment of the application discloses flabellum mounting disc.

Example 1

Referring to fig. 1, the fan blade mounting plate includes a plate body 1, a transmission sleeve 13 is disposed at the center of the plate body 1, and an output shaft of a motor is connected to the plate body 1 through the transmission sleeve 13.

Referring to fig. 2, the tray body 1 is provided with a plurality of fan blade slots 12 for mounting and fixing fan blades, in this embodiment, the number of the fan blade slots 12 may be four, the four fan blade slots 12 are distributed at equal intervals along the circumferential direction of the tray body 1, each fan blade slot 12 includes an edge slot 122 and a central slot 121 communicated with the edge slot 122, the edge slot 122 and the central slot 121 are both arc-shaped, the central slot 121 is located between the transmission sleeve 13 and the edge slot 122, and the edge slot 122 penetrates through the side surface of the tray body 1. When the fan blades are installed, one end of the fan blade to be installed, which is close to the transmission sleeve 13, can simultaneously abut into the central groove 121 and the edge groove 122, so as to quickly position the fan blade on the disc body 1.

Referring to fig. 2, the fixing member 4 for fixing the fan blade is disposed on the tray body 1, the fixing member 4 is disposed at the edge slot 122, the fixing member 4 includes fixing bolts 41, in this embodiment, the number of the fixing bolts 41 disposed at each edge slot 122 may be four, and four fixing bolts 41 are arrayed two by two on two sides of the edge slot 122. All the fixing bolts 41 are evenly distributed in the circumferential direction of the disc body 1. Each fixing bolt 41 includes a rod 411, a nut 413 at one end of the rod 411, and a fixing nut 414 in threaded connection with the rod 411, and a fixing washer 416 is sleeved on each rod 411. When the fixing bolt 41 is mounted on the disc body 1, the fixing washer 416 is located between the disc body 1 and the fixing nut 414. Under the pressing action of the fixing nut 414 on the fixing washer 416, the fixing washer 416 presses the fan blades. The fixing gasket 416 compresses the fan blades to increase the area of the compressed part of the fan blades, improve the stress condition of the compressed part of the fan blades and fulfill the aim of fixing the fan blades.

Referring to fig. 2, four screw holes 11 are formed in the tray body 1, each screw hole 11 is located between two adjacent vane slots 12, the screw holes 11 are threaded holes, and four screw holes 11 are formed in total, and the four screw holes 11 are uniformly distributed on the tray body 1 along the circumferential direction of the tray body 1. The balance piece 3 in threaded fit with the screw hole 11 is arranged on the tray body 1, the balance piece 3 comprises a balance screw 31, and the balance screw 31 comprises a nail body 311 and a head 312 positioned at one end of the nail body 311. When the problem that the rotation of the fan blade mounting disc is unstable and unbalanced due to uneven weight distribution occurs in the fan blade mounting disc, the balance screws 31 with proper weight are screwed into the corresponding screw holes 11 to solve the problem that the rotation of the fan blade mounting disc is uneven and unbalanced.

The implementation principle of the embodiment 1 is as follows: the four fan blades are respectively installed in the fan blade grooves 12, and the fixing bolts 41 are tightened to press the fixing washer 416 against the fan blades, thereby fixing the fan blades on the disc body 1. The output shaft of the motor is inserted into the transmission sleeve 13 to transmit the transmission sleeve 13, and the motor is started to drive the fan blade mounting disc to rotate. When the fan blade mounting disk is unstable and unbalanced in rotation, the balance screw 31 with proper weight is screwed into the corresponding screw hole 11, so that the fan blade mounting disk can rotate stably and balancedly.

Example 2

Referring to fig. 3, embodiment 2 is different from embodiment 1 in that the balance member further includes a first elastic washer 32 fitted over the nail body 311. When the disk body 1 rotates to cause an unstable and unbalanced problem, the balance screw 31 with a proper weight is screwed into the corresponding screw hole 11, and the first elastic washer 32 is pressed by the head 312, and the pressed first elastic washer 32 generates a continuous elastic force. On the basis of stable rotation of the fan blade mounting disc, the first elastic washer 32 plays a certain anti-loosening role on the balance screw 31.

The implementation principle of the embodiment 2 is as follows: the motor is started to rotate the fan blade mounting disc, when the fan blade mounting disc rotates and has the problems of instability and unbalance, the balance screw 31 is screwed into the screw hole 11 at the proper position, the first elastic washer 32 is in a compressed state, and therefore the fan blade mounting disc can rotate in a balanced and stable mode.

Example 3

Referring to fig. 4, embodiment 3 is different from embodiment 2 in that the fixing member 4 further includes a second elastic washer 417 disposed on the rod 411 and a locknut 415 screwed with the rod 411. The second elastic washer 417 is located between the fixing washer 416 and the fixing nut 414, and when the second elastic washer 417 is pressed by the fixing nut 414 and the fixing washer 416, a continuous elastic force is generated, which plays a certain role in preventing the fixing nut 414 and the fixing washer 416 from being loosened. Locknut 415 is located on a side of securing nut 414 away from nut portion 413. When locknut 415 is installed, locknut 415 is tightly abutted against fixing nut 414, and locknut 415 plays a certain role in preventing locknut 414.

The implementation principle of the embodiment 3 is as follows: the fan blades are put into the fan blade grooves 12, the four fixing bolts 41 of each group are respectively installed on the disc body 1, the fan blades are put into the fan blade grooves 12, the fixing nuts 414 and the locknuts 415 are respectively screwed so that the fan blades are in a compressed state, at this time, the second elastic washers 417 are in a compressed state, and then the four fan blades are sequentially fixed on the disc body 1.

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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a flabellum mounting disc, includes disk body (1), disk body (1) center is fixed be provided with motor output shaft's transmission sleeve (13), its characterized in that: evenly set up a plurality of mountings (4) that are used for fixed flabellum on disk body (1), be provided with a plurality of balancing pieces (3) that are used for balanced flabellum mounting disc on disk body (1), all balancing piece (3) evenly distributed is between two adjacent mountings (4).

2. The fan blade mounting disk of claim 1, wherein: balance member (3) are including balance screw (31) that are used for balancing flabellum mounting disc quality, set up a plurality of screw holes (11) between two adjacent mounting (4) on disk body (1), balance screw (31) and screw hole (11) screw-thread fit.

3. The fan blade mounting disk of claim 2, wherein: the balance piece (3) further comprises a first elastic washer (32), the balance screw (31) comprises a screw body (311) and a head (312), the first elastic washer (32) is sleeved on the screw body (311), and the first elastic washer (32) is tightly matched between the disc body (1) and the head (312) of the balance screw (31).

4. The fan blade mounting disk of claim 1, wherein: set up a plurality of flabellum grooves (12) that are used for installing the flabellum on disk body (1), whole circumferential evenly distributed along disk body (1) in flabellum groove (12), every flabellum groove (12) contain marginal groove (122) and with central groove (121) of marginal groove (122) intercommunication, central groove (121) are located between transmission sleeve (13) and marginal groove (122), fixed connection flabellum and disk body (1) are located in marginal groove (122) in mounting (4).

5. The fan blade mounting disk of claim 1, wherein: fixing part (4) include fixing bolt (41), fixing bolt (41) contain the body of rod (411), be located screw cap portion (413) and fixation nut (414) of body of rod (411) one end, disk body (1) is worn to locate by the body of rod (411), fixation nut (414) and body of rod (411) screw-thread fit.

6. The fan blade mounting disk of claim 5, wherein: the fixing piece (4) further comprises a locknut (415), the locknut (415) is in threaded connection with the rod body (411), and the fixing nut (414) is located between the locknut (415) and the disc body (1).

7. The fan blade mounting disk of claim 5, wherein: the fixing piece (4) further comprises a fixing gasket (416), the fixing gasket (416) is sleeved on the rod body (411), and the fixing gasket (416) is located between the disc body (1) and the fixing nut (414).

8. The fan blade mounting disk of claim 7, wherein: the fixing piece (4) further comprises a second elastic washer (417) sleeved on the rod body (411), and the second elastic washer (417) is located between the fixing gasket (416) and the fixing nut (414).