CN215830815U - Novel dynamic balance sheet - Google Patents
Novel dynamic balance sheet Download PDFInfo
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- CN215830815U CN215830815U CN202122259484.XU CN202122259484U CN215830815U CN 215830815 U CN215830815 U CN 215830815U CN 202122259484 U CN202122259484 U CN 202122259484U CN 215830815 U CN215830815 U CN 215830815U
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- balance
- sheet
- fan
- fan impeller
- balance sheet
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Abstract
The utility model discloses a novel dynamic balance sheet, which relates to the technical field of direct-current brushless fans and aims to solve the problems that in the prior art, daub is used for checking dynamic balance of the existing fan, and an operator cannot accurately master the weight of the daub to ensure the balance amount of the fan; the daub is easy to shift and the daub has the problem of the risk that drops when the fan high speed operation. The balance sheet main part comprises a folded sheet and an arc-shaped elastic sheet, the folded sheet and the arc-shaped elastic sheet are arranged into an integral structure, one end of the balance sheet main part is provided with a notch, the folded sheet is arranged on two sides of the notch, the outer surface of the fan impeller is provided with a balance groove, the balance groove is arranged around the fan impeller, the balance sheet main part is connected with the fan impeller through the balance groove, a central shaft hole is formed in the fan impeller, side airflow grooves are formed in the periphery of the fan impeller, a stop block is arranged above one end of the balance sheet main part, and the stop block is connected with the folded sheet in a laminating mode.
Description
Technical Field
The utility model relates to the technical field of direct-current brushless fans, in particular to a novel dynamic balance sheet.
Background
The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product, and a stator winding of the motor is mostly made into a three-phase symmetrical star connection method, which is very similar to a three-phase asynchronous motor. The rotor of the motor is adhered with a magnetized permanent magnet, and a position sensor is arranged in the motor for detecting the polarity of the rotor of the motor. The driver is composed of power electronics, integrated circuits, etc., and functions are: receiving starting, stopping and braking signals of the motor to control the starting, stopping and braking of the motor; and receiving signals of the position sensor and positive and negative rotation signals to control the on-off of each power tube of the inverter bridge to generate continuous torque.
However, the existing fan uses the daub for checking the dynamic balance, and an operator cannot accurately master the weight of the daub to ensure the balance of the fan; when the fan runs at a high speed, the daub is easy to shift and has the risk of falling off; therefore, the existing requirements are not met, and a novel dynamic balance sheet is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel dynamic balance sheet, which aims to solve the problems that the existing fan provided by the background technology uses the daub for checking the dynamic balance, and an operator cannot accurately master the weight of the daub to ensure the balance of the fan; the daub is easy to shift and the daub has the problem of the risk that drops when the fan high speed operation.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel dynamic balance piece, includes balance piece main part and fan wheel, balance piece main part includes tabs and arc shell fragment, and tabs and arc shell fragment set up the integral type structure to, the one end of balance piece main part is provided with opens the shelves, and the tabs setting is in the both sides of opening the shelves.
Preferably, the outer surface of the fan impeller is provided with balance slots, the balance slots are arranged around the fan impeller, and the balance sheet main body is connected with the fan impeller through the balance slots.
Preferably, a central shaft hole is formed in the fan impeller, and side airflow grooves are formed in the periphery of the fan impeller.
Preferably, a stop block is arranged above one end of the balance sheet main body and is attached and connected with the folding sheet.
Preferably, the stop block is fixedly connected with the balance sheet main body.
Compared with the prior art, the utility model has the beneficial effects that:
1. the balance pieces are designed into a U shape, and are firmly clamped in the grooves of the fan impeller by utilizing the radius and the opening of the U shape and the resilience force of special materials of the U shape, the dynamic balance pieces are designed into balance pieces with different sizes according to the balance quantity of the fan, and the dynamic balance pieces act on the grooves of the fan impeller, so that the fan cannot fall off or shift when in operation, and the efficiency of operators is improved;
2. the utility model utilizes the thickness of the balance sheet to manufacture the unbalance sheets with different weights so as to meet the unbalance amount of the fan, simultaneously utilizes the opening of the balance sheet, the opening is larger than the notch of the fan impeller and the balance sheet, the balance sheet is placed in the notch of the fan impeller and clamped in the groove of the impeller by the resilience force of the balance sheet material, and the radius of the balance sheet is changed according to the balance sheet so as to be suitable for different fan impeller notches to verify the dynamic balance.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a schematic structural view of a fan wheel according to the present invention;
fig. 3 is a schematic view of the stopper structure of the present invention.
In the figure: 1. a balance sheet main body; 2. opening a gear; 3. folding a sheet; 4. an arc-shaped elastic sheet; 5. a fan impeller; 6. carrying out balanced slotting; 7. a central shaft hole; 8. a side air flow groove; 9. and a stop block.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, an embodiment of the present invention: the utility model provides a novel dynamic balance piece, includes balance piece main part 1 and fan wheel 5, the U type simple structure of balance piece main part 1, easy to operate, and use the material to guarantee that the resilience ability of balance piece can firmly block in fan wheel 5's balanced fluting 6 for spring steel, balance piece main part 1 includes tabs 3 and arc shrapnel 4, and tabs 3 sets up to the integral type structure with arc shrapnel 4, the one end of balance piece main part 1 is provided with opens shelves 2, and tabs 3 sets up in the both sides of opening shelves 2.
Please refer to fig. 2, the outer surface of the fan impeller 5 is provided with a balance slot 6, and the balance slot 6 is arranged around the fan impeller 5, the balance sheet main body 1 is connected with the fan impeller 5 through the balance slot 6, the inside of the fan impeller 5 is provided with a central shaft hole 7, and the periphery of the fan impeller 5 is provided with side airflow grooves 8, the balance sheet main body 1 is firmly clamped in the balance slot 6 on the surface of the fan impeller 5 by utilizing the radius of the U shape, the opening and the resilience of the special material, the balance sheet main body 1 is designed into balance sheets with different sizes according to the balance amount of the fan, the dynamic balance sheet acts on the fan impeller 5 groove, the fan can not drop and shift when in operation, and the efficiency of the operator is also improved.
Referring to fig. 3, a stop block 9 is disposed above one end of the balance sheet main body 1, the stop block 9 is attached to the folded sheet 3, the stop block 9 is fixedly connected to the balance sheet main body 1, the stop block 9 is mounted inside the balance slot 6, and when the balance sheet is inserted into the balance slot 6, the stop block 9 can lock the folded sheet 3 on the balance sheet main body 1 in the slot body.
The working principle is as follows: the U-shaped structure of the balance sheet main body 1 is simple, the operation is easy, the spring steel is used to ensure that the resilience of the balance sheet can be firmly clamped in the balance groove 6 of the fan impeller 5, thus, the U-shaped radius and the opening of the fan are utilized, and the resilience force of the special material of the U-shaped radius and the opening is firmly clamped in the balance groove 6 on the surface of the fan impeller 5, the balance sheet main body 1 is designed into balance sheets with different sizes according to the balance of the fan, the dynamic balance sheet acts in the fan impeller 5 groove, the fan can not fall off and shift when in operation, meanwhile, the efficiency of operators is improved, meanwhile, a stop block 9 is arranged above one end of the balance sheet main body 1, and the dog 9 is installed in balanced fluting 6 inboard, and after balanced piece card was gone into balanced fluting 6 inside, dog 9 just can be dead in the cell body with folded piece 3 card on the balanced piece main part 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (5)
1. The utility model provides a novel dynamic balance piece, includes balance piece main part (1) and fan wheel (5), its characterized in that: the balance sheet main body (1) comprises a folding sheet (3) and an arc-shaped elastic sheet (4), the folding sheet (3) and the arc-shaped elastic sheet (4) are arranged into an integrated structure, one end of the balance sheet main body (1) is provided with a gear opening (2), and the folding sheet (3) is arranged on two sides of the gear opening (2).
2. The novel dynamic balance sheet of claim 1, wherein: the outer surface of the fan impeller (5) is provided with balance grooves (6), the balance grooves (6) are formed in the periphery of the fan impeller (5), and the balance sheet main body (1) is connected with the fan impeller (5) through the balance grooves (6).
3. The novel dynamic balance sheet of claim 1, wherein: a central shaft hole (7) is formed in the fan impeller (5), and side airflow grooves (8) are formed in the periphery of the fan impeller (5).
4. The novel dynamic balance sheet of claim 1, wherein: a stop block (9) is arranged above one end of the balance sheet main body (1), and the stop block (9) is attached to and connected with the folded sheet (3).
5. The novel dynamic balance sheet of claim 4, wherein: the stop block (9) is fixedly connected with the balance sheet main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122259484.XU CN215830815U (en) | 2021-09-17 | 2021-09-17 | Novel dynamic balance sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122259484.XU CN215830815U (en) | 2021-09-17 | 2021-09-17 | Novel dynamic balance sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830815U true CN215830815U (en) | 2022-02-15 |
Family
ID=80200141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122259484.XU Active CN215830815U (en) | 2021-09-17 | 2021-09-17 | Novel dynamic balance sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830815U (en) |
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2021
- 2021-09-17 CN CN202122259484.XU patent/CN215830815U/en active Active
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