CN216564794U - A domestic air purifier DC motor shaft - Google Patents

Abstract

The utility model relates to the technical field of direct current motor shafts, in particular to a direct current motor shaft of a household air purifier. The technical scheme comprises the following steps: the installation pipe is installed to the outside fixed mounting of main shaft pole, and the outside equipartition of installation pipe is equipped with the louvre, and the both sides of installation pipe all equipartition are equipped with the ventilation hole, and one side of main shaft pole is equipped with the first stable groove in left side, and one side of the first stable groove in left side is equipped with the second in left side and stabilizes the groove, and the opposite side of main shaft pole is equipped with the first stable groove in right side. The utility model can carry out heat dissipation treatment when the motor coil is installed and used by arranging the installation pipe to be matched with the heat dissipation holes and the ventilation holes, thereby increasing the functionality of the motor shaft and improving the practicability.

Description

A household air purifier DC motor shaft

technical field

The utility model relates to the technical field of DC motor shafts, in particular to a DC motor shaft of a household air purifier.

Background technique

A direct current machine refers to a rotating electrical machine that can convert direct current electrical energy into mechanical energy (DC motor) or convert mechanical energy into direct current electrical energy (DC generator). When it operates as a motor, it is a DC motor, which converts electrical energy into mechanical energy; when it operates as a generator, it is a DC generator, which converts mechanical energy into electrical energy. The DC motor needs to use the motor shaft when it is used.

After searching, the patent publication number is CN 210889433 U discloses a DC motor shaft of a household air purifier, which includes a main shaft, a connecting piece and a circlip. The diameter of the detection section is smaller than that of the rotor section, the diameter of the rotor section is equal to the diameter of the connecting section, and the diameter of the connecting section is larger than that of the installation section. The spring is clamped on the mounting section, the connecting piece is in the shape of a truncated cone, the inner peripheral surface of the connecting piece is clamped with the outer peripheral surface of the mounting section, the upper bottom of the connecting piece is in contact with the end face of the connecting section, and the lower bottom of the connecting piece is in contact with the circlip. The end face of the fan is abutted, and the connecting piece is provided with a card slot that is engaged with the fan.

The defects of the existing domestic air purifier DC motor shaft are:

1. The structure of the DC motor shaft of the existing household air purifier is relatively simple, and it does not have the function of cooling the motor coil during use. When the motor coil is used for a long time, it will be damaged due to poor heat dissipation. The practicality of the motor shaft;

2. At the same time, the stable structure of the DC motor shaft of the existing household air purifier is relatively simple, and it will be unstable when used for a long time, which will lead to the wear and damage of the shaft. For this reason, we propose a household air purifier. DC motor shaft to solve the existing problem.

Utility model content

The purpose of the present invention is to provide a DC motor shaft of a household air purifier to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a DC motor shaft of a household air purifier, comprising a main shaft rod, an installation pipe is fixedly installed on the outside of the main shaft rod, and the outside of the installation pipe is uniformly provided with heat dissipation holes, Both sides of the installation pipe are evenly provided with ventilation holes, one side of the main shaft rod is provided with a left first stabilization groove, and one side of the left first stabilization groove is provided with a left second stabilization groove, so the The other side of the main shaft rod is provided with a first stabilization groove on the right side, and one side of the first stabilization groove on the right side is provided with a second stabilization groove on the right side. One end of the main shaft rod is provided with a power output shaft, and the power output The shaft is provided with a keyway, and the other side of the main shaft rod is provided with a heat dissipation output shaft.

Using the DC motor shaft of a household air purifier according to this technical solution, the main shaft is rotated and installed in the DC motor, the installation pipe can install and fix the winding of the motor, and at the same time, the winding of the motor can be wound through the cooperation of the heat dissipation hole and the ventilation hole. Ventilation and heat dissipation are carried out when the motor is used for a long time, which avoids the damage of the motor winding due to poor heat dissipation during long-term use, increases the functionality of the motor shaft, and improves the service life of the motor. The left side is positioned during installation, the second stability slot on the left side can be used for secondary positioning of the left side of the motor shaft when it is installed, the first stability slot on the right side can be used for positioning the right side of the motor shaft when it is installed, and the second stability slot on the right side can be used for positioning the right side of the motor shaft. The stability slot can be used for secondary positioning of the right side of the motor shaft when it is installed, thereby increasing the stability of the motor shaft during rotating operations, and avoiding the wear or damage of the motor shaft caused by shaking during rotation. The output shaft can be connected with the internal structure of the air purifier, so that it can be driven to rotate through the power output shaft. The keyway increases the stability of the connection between the power output shaft and the internal mechanism of the air purifier, and the heat dissipation output shaft can dissipate heat from the outside. The fan is installed and fixed, and the interior of the DC motor can be ventilated and dissipated by driving the cooling fan to rotate.

Preferably, one side of the power output shaft is provided with a first fixing hole, and an outer side of the power output shaft is provided with a chamfer. The first fixing hole can fix the power output shaft when it is connected with the mechanism in the air purifier, and the chamfered angle is convenient for the mechanism in the air purifier to be installed on the power output shaft.

Preferably, a support ring is fixedly installed at a central position inside the installation pipe, and an anti-skid pattern is provided on the outside of the installation pipe. The support ring can support the central position of the installation pipe, which increases the stability of the installation pipe in use, and the anti-skid pattern increases the friction force outside the installation pipe.

Preferably, the exterior of the heat dissipation output shaft is provided with a fixing protrusion, and a mounting pad is fixedly installed on one side of the heat dissipation output shaft. The fixed protrusion increases the stability when the cooling output shaft drives the fan to rotate, and the mounting pad can elastically support the cooling fan during installation.

Preferably, one side of the heat dissipation output shaft is provided with a second fixing hole, and a fixing rod is rotatably mounted on the second fixing hole. The second fixing hole cooperates with the fixing rod to fix the cooling fan during installation, which increases the stability of the cooling fan when it is rotated and used.

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

1. By setting the installation tube to cooperate with the heat dissipation hole and the ventilation hole, the heat dissipation treatment can be carried out when the motor coil is installed and used, which increases the functionality of the motor shaft and improves the practicability.

2. Set the first stability slot on the left to cooperate with the second stability slot on the left, the first stability slot on the right, and the second stability slot on the right, which can double-position the motor shaft when it is used, which increases the stability of the motor shaft when it is used. , expanding the scope of application.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the front internal schematic diagram of the utility model;

Fig. 3 is the front structure schematic diagram of the utility model;

Fig. 4 is the side structure schematic diagram of the utility model.

In the figure: 1. PTO shaft; 101. The first fixing hole; 102. Keyway; 103. Chamfering; 2. Spindle rod; 3. The first stabilization slot on the left; Installation pipe; 401, ventilation hole; 402, heat dissipation hole; 403, anti-skid pattern; 404, support ring; 5, the first stabilization groove on the right side; 501, the second stabilization groove on the right side; 6, the heat dissipation output shaft; 601, fixed Protrusion; 602, mounting pad; 603, second fixing hole; 7, fixing rod.

Detailed ways

The technical solutions of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in Figures 1-4, a DC motor shaft of a household air purifier proposed by the present utility model includes a main shaft rod 2, an installation pipe 4 is fixedly installed on the outside of the main shaft rod 2, and the outside of the installation pipe 4 is uniformly provided with heat dissipation Holes 402, ventilation holes 401 are evenly distributed on both sides of the installation pipe 4, one side of the main shaft rod 2 is provided with a left first stabilization groove 3, and one side of the left first stabilization groove 3 is provided with a left second stabilization groove 3. In the stabilization slot 301, the other side of the main shaft rod 2 is provided with a right first stabilization groove 5, and one side of the right first stabilization groove 5 is provided with a right second stabilization groove 501, and one end of the main shaft rod 2 is provided with a power The output shaft 1 is provided with a keyway 102 on the power output shaft 1 , and a heat dissipation output shaft 6 is provided on the other side of the main shaft rod 2 .

The working principle of the DC motor shaft of the household air purifier based on Embodiment 1 is as follows: the spindle rod 2 is rotated and installed in the DC motor, the installation tube 4 can install and fix the winding of the motor, and at the same time, the cooling hole 402 and the ventilation hole 401 can cooperate with each other. Ventilation and heat dissipation are carried out during the winding operation of the motor, which avoids the damage of the motor winding due to poor heat dissipation during long-term use, increases the functionality of the motor shaft, and improves the service life of the motor. The left side is the first stable Slot 3 can position the left side of the motor shaft when the motor shaft is installed, the second stabilization groove 301 on the left side can be used for secondary positioning of the left side when the motor shaft is installed, and the first stabilization groove 5 on the right side can be used for the right side when the motor shaft is installed and used. The second stabilization slot 501 on the right side can be used for secondary positioning of the right side of the motor shaft when it is installed, thereby increasing the stability of the motor shaft during rotating operations and avoiding the vibration of the motor shaft during rotation. In the case of wear or damage, the power output shaft 1 can be connected with the internal structure of the air purifier, so that the power output shaft 1 can be driven to rotate. The keyway 102 increases the connection between the power output shaft 1 and the internal mechanism of the air purifier. The heat dissipation output shaft 6 can install and fix the external heat dissipation fan, and the interior of the DC motor can be ventilated and dissipated by driving the heat dissipation fan to rotate.

Embodiment 2

As shown in FIGS. 1-4 , compared with the first embodiment of the DC motor shaft of a household air purifier proposed by the present invention, this embodiment further includes: a first fixing hole 101 is provided on one side of the power output shaft 1 , and the outside of the power output shaft 1 is provided with a chamfer 103, a support ring 404 is fixedly installed at the central position inside the installation pipe 4, and the outside of the installation pipe 4 is provided with anti-skid lines 403, and the outside of the heat dissipation output shaft 6 is provided with a fixed A projection 601 is formed, and one side of the heat dissipation output shaft 6 is fixedly mounted with a mounting pad 602. One side of the heat dissipation output shaft 6 is provided with a second fixing hole 603, and a fixing rod 7 is rotatably installed on the second fixing hole 603,

In this embodiment, the first fixing hole 101 can fix the power output shaft 1 when it is connected to the mechanism in the air purifier, the chamfer 103 is convenient for the mechanism in the air purifier to be installed on the power output shaft 1, and the support ring 404 can The support at the central position of the installation pipe 4 increases the stability of the installation pipe 4 when it is in use. The anti-skid pattern 403 increases the frictional force outside the installation pipe 4, and the fixed protrusion 601 increases the stability of the cooling output shaft 6 when the fan rotates. The mounting pad 602 can elastically support the cooling fan when it is installed, and the second fixing hole 603 cooperates with the fixing rod 7 to fix the cooling fan during installation, which increases the stability of the cooling fan when it is rotated and used.

The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solutions of the present invention and the relevant enlightenment of the above-mentioned embodiments, those skilled in the art can make various alternative improvements to the above-mentioned specific embodiments. and combination.

Claims (5)

1. The utility model provides a domestic air purifier direct current motor shaft, includes main shaft pole (2), its characterized in that: the utility model discloses a heat dissipation device, including main shaft pole (2), the outside fixed mounting of main shaft pole (2) has installation pipe (4), and the outside equipartition of just installing pipe (4) is equipped with louvre (402), the both sides of installation pipe (4) all equipartitions are equipped with ventilation hole (401), one side of main shaft pole (2) is equipped with the first stable groove in left side (3), and one side of the first stable groove in left side (3) is equipped with left side second stable groove (301), the opposite side of main shaft pole (2) is equipped with the first stable groove in right side (5), and one side of the first stable groove in right side (5) is equipped with right side second stable groove (501), the one end of main shaft pole (2) is equipped with power output shaft (1), and is equipped with keyway (102) on power output shaft (1), the opposite side of main shaft pole (2) is equipped with heat dissipation output shaft (6).

2. The direct current motor shaft of the household air purifier as recited in claim 1, wherein: one side of the power output shaft (1) is provided with a first fixing hole (101), and the outer side of the power output shaft (1) is provided with a chamfer (103).

3. The direct current motor shaft of the household air purifier as recited in claim 1, wherein: a support ring (404) is fixedly mounted at the central position inside the mounting pipe (4), and anti-skid grains (403) are arranged outside the mounting pipe (4).

4. The direct current motor shaft of the household air purifier as recited in claim 1, wherein: the outside of heat dissipation output shaft (6) is equipped with fixed protrusion (601), and one side fixed mounting of heat dissipation output shaft (6) has mounting pad (602).

5. The direct current motor shaft of the household air purifier as recited in claim 1, wherein: one side of the heat dissipation output shaft (6) is provided with a second fixing hole (603), and the second fixing hole (603) is rotatably provided with a fixing rod (7).

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