Brushless motor for high-pressure cleaning pump
By designing a brushless motor for high-pressure cleaning pumps, combined with a controller and a reduction device, the problems of short service life and easy damage of brush motors are solved, and efficient speed regulation, constant power and constant speed functions are achieved, improving the product quality. service life and resource utilization.
Patent Information
- Application Number
- CN202420702661.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-07
AI Technical Summary
The brushed motors used in existing high-pressure cleaning pumps have problems such as difficulty in replacing carbon brushes, easy to damage, and short service life, resulting in waste of resources and difficulty in maintaining them.
A brushless motor for high-pressure cleaning pumps is designed, which includes a brushless motor, capacitor, controller, high-pressure pump body, switch, pressure gauge, reduction device and oil cylinder. The brushless motor is controlled by the controller to achieve speed regulation and Constant power and constant speed, and improve the power transmission efficiency of the system through reduction gear and cylinder components.
It solves the problem of short service life and easy damage of brushed motors, improves the service life of the product, realizes the speed regulation, constant power and constant speed functions of brushless motors, and reduces waste of resources and maintenance costs.
Smart Images
Figure CN222381427U_ABST
Abstract
Description
Technical field:
[0001] The utility model relates to a brushless motor for a high-pressure cleaning pump, belonging to the technical field of brushless motors. Background technology:
[0002] The old products use brushed series motors, asynchronous and synchronous motors, which are not only large in size but also heavy in weight. They have no controller and cannot adjust speed, constant power and constant speed. As we all know, the carbon brushes of brushed motors need to be replaced. After consumers disassemble and install the carbon brushes, the motors are prone to stop rotating and can only be placed aside and not used. They need to be directly replaced with new ones before they can be used, which greatly wastes resources. Utility model content:
[0003] In view of the above problems, the technical problem to be solved by the utility model is to provide a brushless motor for a high-pressure cleaning pump.
[0004] The utility model discloses a brushless motor for a high-pressure cleaning pump, which comprises a brushless motor middle cover, a brushless motor, a capacitor, a controller, a high-pressure pump body, a switch, a pressure gauge, a speed reducer, and an oil cylinder. One end of the brushless motor middle cover is provided with a brushless motor connecting cavity, a capacitor connecting cavity, and a controller connecting cavity, wherein the brushless motor is arranged in the brushless motor connecting cavity, the capacitor is arranged in the capacitor connecting cavity, and the controller is arranged in the controller connecting cavity. The other end of the brushless motor middle cover is provided with an oil cylinder, one end of the oil cylinder is provided with a high-pressure pump body, a switch and a pressure gauge are arranged above the high-pressure pump body, and a speed reducer is arranged between the brushless motor middle cover and the oil cylinder.
[0005] The reduction gear is composed of a primary reduction gear and a secondary reduction gear. The primary reduction gear is fixed on the motor output shaft of the brushless motor. The secondary reduction gear is arranged below the primary reduction gear and meshes with each other. The secondary reduction gear is fixedly connected to the main shaft of the oil cylinder.
[0006] Preferably, the brushless motor middle cover adopts an integrally formed structure design, a bearing fixing hole is arranged below the middle cover output shaft of the brushless motor middle cover, and a bearing is arranged on the bearing fixing hole.
[0007] Preferably, the main shaft of the oil cylinder passes through the central hole of the secondary reduction gear and is arranged on the fixing hole of the bearing of the middle cover of the brushless motor.
[0008] Preferably, a water inlet and a water outlet are respectively provided on the front and rear sides of the high-pressure pump body.
[0009] The beneficial effects of the utility model are as follows: it has a reasonable structural design, simple operation, easy use, small size, light weight, and a reduction mechanism. The brushless motor is controlled by a controller, which solves the problem of burn-in and damage of old products after long-term use. The controller stops the motor from working when the power is over, thus increasing the service life of the product. The addition of the controller can achieve speed regulation, constant power and constant speed of the brushless motor. Description of the drawings:
[0010] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 It is a rear view of the utility model;
[0013] Figure 3 It is an exploded view of the utility model;
[0014] Figure 4 It is an exploded view of the utility model;
[0015] Figure 5 It is a schematic diagram of the installation structure of the speed reduction device in the utility model.
[0016] 1- brushless motor middle cover; 101- brushless motor connection cavity; 102- capacitor connection cavity; 103- controller connection cavity; 104- bearing fixing hole; 105- bearing; 2- brushless motor; 201- motor output shaft; 3- capacitor; 4- controller; 5- high-pressure pump body; 501- water inlet; 502- water outlet; 6- switch; 7- pressure gauge; 8- speed reducer; 801- first-stage reduction gear; 802- second-stage reduction gear; 8021- center hole; 9- oil cylinder; 901- spindle. Specific implementation method:
[0017] like Figure 1-Figure 5As shown, this specific embodiment adopts the following technical scheme: it comprises a brushless motor middle cover 1, a brushless motor 2, a capacitor 3, a controller 4, a high-pressure pump body 5, a switch 6, a pressure gauge 7, a speed reducer 8, and an oil cylinder 9. One end of the brushless motor middle cover 1 is provided with a brushless motor connecting cavity 101, a capacitor connecting cavity 102 and a controller connecting cavity 103, wherein the brushless motor connecting cavity 101 is provided with a brushless motor 2, the capacitor connecting cavity 102 is provided with a capacitor 3, the controller connecting cavity 103 is provided with a controller 4, the other end of the brushless motor middle cover 1 is provided with an oil cylinder 9, one end of the oil cylinder 9 is provided with a high-pressure pump body 5, a switch 6 and a pressure gauge 7 are provided above the high-pressure pump body 5, and the pressure gauge 7 will be transmitted to the controller 4 when overpressure occurs. After the controller 4 receives the signal, the brushless motor 2 stops rotating, and a speed reducer 8 is provided between the brushless motor middle cover 1 and the oil cylinder 9;
[0018] The reduction device 8 is composed of a primary reduction gear 801 and a secondary reduction gear 802. The primary reduction gear 801 is fixed on the motor output shaft 201 of the brushless motor 2. The secondary reduction gear 802 is arranged below the primary reduction gear 801 and meshes with each other. The secondary reduction gear 802 is fixedly connected to the main shaft 901 of the oil cylinder 9.
[0019] The brushless motor middle cover 1 adopts an integrated structural design. A bearing fixing hole 104 is arranged below the middle cover output shaft of the brushless motor middle cover 1 , and a bearing 105 is arranged on the bearing fixing hole 104 .
[0020] The main shaft 901 of the oil cylinder 9 passes through the central hole 8021 of the secondary reduction gear 802 and is arranged on the fixing hole of the bearing 105 of the middle cover 1 of the brushless motor.
[0021] A water inlet 501 and a water outlet 502 are respectively provided on the front and rear sides of the high pressure pump body 5 .
[0022] The working principle of this specific embodiment is as follows: the controller 4 controls the motor output shaft 201 of the brushless motor 2 to rotate, and the first-stage reduction gear 801 on the motor output shaft 201 rotates to perform a first-stage reduction, and the first-stage reduction gear 801 drives the second-stage reduction gear 802 below to rotate to perform a second-stage reduction, and the second-stage reduction gear 802 drives the main shaft 901 on the oil cylinder 9 to rotate, and power transmission is performed to push the water in the high-pressure pump body 5 out of the water.
[0023] This specific implementation method has reasonable structural design, simple operation, easy use, small size, light weight, and a reduction mechanism. The brushless motor is controlled by a controller, which solves the problem of old products burning out and being damaged after long-term use. The controller stops the motor from working when the power is over, thereby increasing the service life of the product. The addition of the controller can achieve speed regulation, constant power and constant speed of the brushless motor.
[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A brushless motor for a high-pressure cleaning pump, characterized in that: It comprises a brushless motor middle cover (1), a brushless motor (2), a capacitor (3), a controller (4), a high-pressure pump body (5), a switch (6), a pressure gauge (7), a speed reducer (8), and an oil cylinder (9); one end of the brushless motor middle cover (1) is provided with a brushless motor connection cavity (101), a capacitor connection cavity (102), and a controller connection cavity (103); the brushless motor (2) is arranged in the brushless motor connection cavity (101); the capacitor (3) is arranged in the capacitor connection cavity (102); the controller (4) is arranged in the controller connection cavity (103); the other end of the brushless motor middle cover (1) is provided with an oil cylinder (9); one end of the oil cylinder (9) is provided with a high-pressure pump body (5); the switch (6) and the pressure gauge (7) are arranged above the high-pressure pump body (5); and the speed reducer (8) is arranged between the brushless motor middle cover (1) and the oil cylinder (9); The reduction gear (8) is composed of a primary reduction gear (801) and a secondary reduction gear (802). The primary reduction gear (801) is fixed on the motor output shaft (201) of the brushless motor (2). The secondary reduction gear (802) is arranged below the primary reduction gear (801) and meshes with each other. The secondary reduction gear (802) is fixedly connected to the main shaft (901) of the oil cylinder (9).
2. A brushless motor for a high-pressure cleaning pump according to claim 1, characterized in that: The brushless motor middle cover (1) adopts an integrally formed structural design, a bearing fixing hole (104) is arranged below the middle cover output shaft of the brushless motor middle cover (1), and a bearing (105) is arranged on the bearing fixing hole (104).
3. A brushless motor for a high-pressure cleaning pump according to claim 1, characterized in that: The main shaft (901) of the oil cylinder (9) passes through the central hole (8021) of the secondary reduction gear (802) and is arranged on the fixing hole of the bearing (105) of the middle cover (1) of the brushless motor.
4. A brushless motor for a high-pressure cleaning pump according to claim 1, characterized in that: The front and rear sides of the high-pressure pump body (5) are respectively provided with a water inlet (501) and a water outlet (502).