Integrated direct current motor

By designing an integrated DC motor housing, gearbox, motor, and oscillation control components, the problem of low starting torque and low operating efficiency of household fan motors is solved, improving the fan's operating efficiency and control precision, and providing a better user experience.

CN223713760UActive Publication Date: 2025-12-23JIANGSU HUAJU INTELLIGENT TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520362914.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-23
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing magnetic field control method of household fan motors is simple, resulting in low starting torque, low operating efficiency, high noise, and low control precision, which makes it difficult to meet the demands of modern consumers for high-quality home appliances with flexible and precise speed adjustment.

Method used

An integrated DC motor was designed, including a housing assembly, a gearbox assembly, a motor assembly, and a oscillation control assembly. Through a scientific and reasonable connection method, the motor structure is ensured to be stable, the oscillation control assembly is flexible and reliable, and the ease of operation is improved.

Benefits of technology

This design achieves both structural stability and functional flexibility in the motor, improving fan operating efficiency and control precision, and providing a superior user experience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223713760U_ABST
    Figure CN223713760U_ABST
Patent Text Reader

Abstract

The utility model discloses an integrated direct current motor, which comprises a shell assembly, a gear box assembly, a motor assembly and a head shaking control assembly, the shell assembly comprises a shell front cover and a shell body and is used for protecting internal assemblies; the gear box assembly comprises a gear box shell, a large gear, a small gear and a gear box upper cover, the large gear and the small gear are installed in the gear box shell, and the gear box upper cover covers the gear box shell. The shell assembly, the gear box assembly, the motor assembly and the head shaking control assembly are connected scientifically and reasonably, for example, a gear box is provided with a gear through a mounting groove and a positioning structure, a motor is fixed in a front-and-back matched mode through a protective shell, and all parts of the head shaking control assembly are tightly connected, so that the overall structure of the motor is stable and reliable; the head shaking control assembly can flexibly achieve the fan head shaking function, operation and control are convenient and fast, and the practicability and functionality of the product are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field, concretely is a kind of integrated direct current motor. BACKGROUND

[0002] At present, many performance limitations exist in ordinary motors used by household fans on the market. The magnetic field control mode is simple, and it is difficult to achieve accurate adjustment. It mainly relies on the phase difference start of the shield ring, which results in small starting torque and low running efficiency. At the same time, the ordinary fan motor is only suitable for light load operation. The noise is high during operation, the control precision is low, and it can only meet the simple application scene. It cannot provide users with better and more efficient use experience. In terms of flexibility and accuracy of speed regulation, it is also difficult to meet the needs of modern consumers for high-quality home appliances. UTILITY MODEL CONTENT

[0003] The utility model aims at providing an integrated direct current motor to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an integrated direct current motor, comprising a shell assembly, a gear box assembly, a motor assembly and a head control assembly.

[0005] The shell assembly comprises a shell front cover and a shell body, which is used to protect the internal components.

[0006] The gear box assembly comprises a gear box shell, a large gear, a small gear, a gear box upper cover. The large gear and the small gear are installed in the gear box shell, and the gear box upper cover is covered on the gear box shell.

[0007] The motor assembly comprises a motor, a motor protection shell front, a motor protection shell rear. The motor is installed on the motor protection shell front, and the motor protection shell rear is sleeved on the outside of the motor and cooperates with the motor protection shell front to be fixed.

[0008] The head control assembly comprises a head switch rod, a head switch key, a switch knob, a switch, a crank shaft, a connecting rod, a joint, a sheath and a positioning pin. The head switch rod is installed on the gear box assembly, and the head switch key and the switch knob are assembled to control the switch. The crank shaft is installed at the bottom of the gear box shell and connected to the joint through the connecting rod. The positioning pin is installed on the joint and cooperates with the connecting rod after being sleeved with the sheath.

[0009] Preferably, the gear box shell is provided with an installation groove and a positioning structure for installing the large gear and the small gear.

[0010] Preferably, the motor protection shell front and the motor protection shell rear are connected by screws.

[0011] Preferably, the integrated DC motor further comprises spring beads mounted on the gear box shell for cooperating with the operation of the head shaking control assembly.

[0012] Preferably, the integrated DC motor further comprises front sleeves, rear sleeves, left and right joint head covers, the front and rear sleeves are respectively mounted on the two ends of the joint head, and the left and right joint head covers are respectively assembled on the two sides of the joint head.

[0013] Preferably, after the shell front cover and the motor protection shell are mounted, the shell and the shell front cover are fixedly mounted.

[0014] Preferably, the connecting rod is connected and fixed with the crank shaft and the joint head through nuts and screw rods.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the shell assembly, the gear box assembly, the motor assembly and the head shaking control assembly are connected scientifically and reasonably, the gear box is provided with a gear installed through an installation groove and a positioning structure, the motor is fixed through cooperation of front and rear protection shells, the components of the head shaking control assembly are connected closely, the overall structure of the motor is stable and reliable, the head shaking control assembly can flexibly realize the fan head shaking function, the operation control is convenient, and the practicability and functionality of the product are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic diagram of the utility model;

[0017] Fig. 2 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Fig. 3 It is an exploded structural schematic diagram of the utility model.

[0019] In the drawing: 1, shell, 2, gear box shell, 3, large gear, 4, crank shaft, 5, connecting rod, 6, head shaking switch rod, 7, small gear, 8, motor protection shell rear, 9, gear box upper cover, 10, head shaking switch button, 11, switch knob, 12, switch, 13, spring bead, 14, joint head, 15, sheath, 16, front sleeve, 17, left joint head cover, 18, right joint head cover, 19, nut, 20, screw rod, 21, rear sleeve, 22, positioning pin, 23, motor, 24, motor protection shell front, 25, shell front cover. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the utility model protection.

[0021] Please refer to Figs. 1-3 The utility model provides a technical scheme: a integrated direct current motor, including shell assembly, gear box assembly, motor assembly and head control assembly,

[0022] The shell assembly includes shell front cover 25 and shell body 1, and is used for protecting the internal components.

[0023] The gear box assembly includes gear box shell 2, large gear 3, pinion 7, gear box upper cover 9, the large gear 3 and pinion 7 are installed in gear box shell 2, and the gear box upper cover 9 is covered on gear box shell 2.

[0024] The motor assembly includes motor 23, motor protection shell front cover 24, motor protection shell rear 8, the motor 23 is installed on motor protection shell front cover 24, and the motor protection shell rear 8 is sleeved on the outer side of motor 23 and is fixed with motor protection shell front cover 24.

[0025] The head control assembly includes head switch rod 6, head switch button 10, switch knob 11, switch 12, crank shaft 4, connecting rod 5, joint 14, sheath 15 and positioning pin 22, the head switch rod 6 is installed on the gear box assembly, the head switch button 10 is assembled with switch knob 11, and is used for controlling switch 12, the crank shaft 4 is installed at the bottom of gear box shell 2, is connected with joint 14 through connecting rod 5, and positioning pin 22 is installed on joint 14 and is matched with connecting rod 5 after being sleeved with sheath 15.

[0026] As a preferred scheme, further, the gear box shell 2 is provided with mounting groove and positioning structure for installing large gear 3 and pinion 7.

[0027] As a preferred scheme, further, the motor protection shell front cover 24 and motor protection shell rear 8 are connected through screws.

[0028] As a preferred scheme, further, the integrated direct current motor further includes spring bead 13, the spring bead 13 is installed on gear box shell 2, and is used for cooperating with the operation of head control assembly.

[0029] As a preferred solution, further, the integrated direct current motor further comprises a front sleeve 16, a rear sleeve 21, a left joint cover 17, and a right joint cover 18, wherein the front sleeve 16 and the rear sleeve 21 are respectively installed at two ends of the joint 14, and the left joint cover 17 and the right joint cover 18 are respectively assembled on two sides of the joint 14.

[0030] As a preferred solution, further, after the motor protection shell front cover 24 and the joint 14 are installed, the shell 1 is installed and fixed with the shell front cover 25.

[0031] As a preferred solution, further, the connecting rod 5 is connected and fixed with the crank shaft 4 and the joint 14 through the nut 19 and the screw rod 20.

[0032] The detailed connection means is a technology known in the art, and the working principle and process are mainly introduced below, and the specific work is as follows.

[0033] On the gear box shell 2, a large gear 3, a small gear 7, a spring ball 13, and a head shaking switch rod 6 are sequentially installed, the gear box shell 2 is provided with an installation groove and a positioning structure matched with the large and small gears, so as to ensure the accurate installation position of the gears and realize stable meshing transmission, and the spring ball 13 is installed at a specific position to assist the operation of the subsequent head shaking control assembly.

[0034] After the above-mentioned parts are installed, the gear box upper cover 9 is covered on the gear box shell 2, and a fastening mode such as buckle or screw can be used to form a closed space, which not only protects the internal gear transmission mechanism, but also provides a stable basis for subsequent connection.

[0035] The motor 23 is installed to the motor protection shell front cover 24 to ensure the accurate installation position, and the motor protection shell rear 8 is sleeved outside the motor protection shell front cover 24 on which the motor 23 has been installed, and the two are fastened and connected by using screws.

[0036] The motor assembly and the gear box are matched and connected, the pre-set clamping structure of the motor protection shell front cover 24 or the motor protection shell rear 8 needs to be accurately connected with the corresponding clamping part on the gear box shell 2, and then the motor assembly and the gear box shell 2 are fastened by using screws, so as to ensure that the power can be effectively transmitted to the gear box assembly to drive the gear transmission when the motor operates.

[0037] The crank shaft 4 is installed at a pre-set position at the bottom of the gear box shell 2, and is stably rotated by using shaft hole cooperation and key connection, then the one end of the connecting rod 5 is connected with the crank shaft 4 by using the pin shaft, the nut 19, and the screw rod 20, so as to ensure that the connection is firm and can rotate relatively, and realize power transmission and conversion.

[0038] The positioning pin 22 is installed on the joint 14, the sheath 15 is sleeved, and then the joint 14 and the other end of the connecting rod 5 are tightly matched by using parts such as the nut 19 and the screw rod 20, so that the operation of the head shaking control assembly is stable and reliable, and the head shaking control assembly will not be loose during the head shaking action;

[0039] The shell front cover 25, the motor protection shell front cover 24 and the joint 14 are installed together by preset clamping or screw connection, so as to provide positioning and support for subsequent installation of the shell body 1;

[0040] The shell body 1 is installed with the shell front cover 25 which has been installed, and clamping or screwing can be adopted, so that the shell completely wraps the internal components and plays a protective and aesthetic role;

[0041] The head shaking switch button 10 is installed at a suitable position to ensure that the switch 12 can be accurately triggered, and then the switch knob 11 is installed at a corresponding operation part. Through cooperation of the two, the user can conveniently control the head shaking switch button 10 by rotating the switch knob 11, and then control the head shaking action of the fan.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An integrated direct current motor, characterized by, The integrated direct current motor comprises a housing assembly, a gear box assembly, a motor assembly and a head control assembly. The housing assembly comprises a housing front cover (25) and a housing body (1) for protecting the internal components. The gear box assembly comprises a gear box shell (2), a large gear (3), a small gear (7), a gear box upper cover (9), the large gear (3) and the small gear (7) are installed in the gear box shell (2), and the gear box upper cover (9) is covered on the gear box shell (2). The motor assembly comprises a motor (23), a motor protection shell front (24) and a motor protection shell rear (8), the motor (23) is installed on the motor protection shell front (24), the motor protection shell rear (8) is sleeved on the outside of the motor (23) and is fixed with the motor protection shell front (24). The head control assembly comprises a head switch rod (6), a head switch button (10), a switch knob (11), a switch (12), a crank shaft (4), a connecting rod (5), a joint (14), a sheath (15) and a positioning pin (22), the head switch rod (6) is installed on the gear box assembly, the head switch button (10) is assembled with the switch knob (11) for controlling the switch (12), the crank shaft (4) is installed at the bottom of the gear box shell (2) and is connected with the joint (14) through the connecting rod (5), and the positioning pin (22) is installed on the joint (14) and is sleeved with the sheath (15) and matched with the connecting rod (5).

2. An integrated direct current electric motor as defined in claim 1, wherein The gear box shell (2) is provided with an installation groove and a positioning structure for installing the large gear (3) and the small gear (7).

3. An integrated direct current electric motor as defined in claim 1, wherein The motor protection shell front (24) and the motor protection shell rear (8) are fastened and connected through screws.

4. An integrated direct current electric motor as defined in claim 1, wherein The integrated direct current motor further comprises spring beads (13) installed on the gear box shell (2) for matching the operation of the head control assembly.

5. The integrated direct current electric motor of claim 1, wherein, The integrated direct current motor further comprises a front sleeve (16), a rear sleeve (21), a left joint cover (17) and a right joint cover (18), the front sleeve (16) and the rear sleeve (21) are respectively installed at two ends of the joint (14), and the left joint cover (17) and the right joint cover (18) are respectively assembled on two sides of the joint (14).

6. The integrated direct current electric motor of claim 1, wherein, After the housing front cover (25) is installed with the motor protection shell front (24) and the joint (14), the housing body (1) is installed and fixed with the housing front cover (25).

7. The integrated direct current electric motor of claim 1, wherein, The connecting rod (5) is connected and fixed with the crank shaft (4) and the joint (14) through a nut (19) and a screw rod (20).