Permanent magnet brushless direct current motor

Abstract

The utility model relates to the technical field of brushless direct current motors, in particular to a permanent magnet brushless direct current motor, which comprises a motor body and an assembly component, the assembly component comprises two assembly structures, a support framework, an installation frame and two installation structures, and two assembly rings are respectively sleeved at two ends of the motor body. Then the mounting part is operated to fix the assembling ring and the supporting framework to the motor body, then the adjusting part is operated to adjust the position of the L-shaped fixing plate according to the assembling condition, and after the L-shaped fixing plate moves to a proper position, a screw penetrates through the mounting hole to be in threaded connection with the assembling position, so that assembling of the motor body is completed; the permanent magnet brushless direct current motor solves the problems that a motor body shell of an existing permanent magnet brushless direct current motor for a high-pressure cleaning machine is not provided with an additional fixing structure, so that an assembling hole matched with the motor body needs to be punched in a proper position in the assembling process of the permanent magnet brushless direct current motor, and the motor body may be damaged in the punching process to affect subsequent normal use.

Description

Technical Field

[0001] The utility model relates to the technical field of brushless DC motors, in particular to a permanent magnet brushless DC motor. Background Art

[0002] A high-pressure cleaner is a machine that uses a power device to make a high-pressure plunger pump generate high-pressure water to wash the surface of an object. High-pressure cleaners mainly use brushed motors, but in actual work, brushed motors are noisy, have poor heat dissipation, and are overall heavier, so permanent magnet brushless DC motors are used.

[0003] The prior art (CN218498887U) discloses a permanent magnet brushless DC motor for a high-pressure cleaning machine. The motor body includes an upper end cover, a stator assembly, a lower end cover and a rotor assembly; the stator assembly includes an internally toothed stator core, an upper frame, a lower frame and a coil, and the lower end cover is provided with an internal threaded hole concentric with the semicircular groove. The upper end cover and the lower end cover are respectively arranged at the outer edges of the two ends of the stator core, and a semicircular groove is axially arranged on the outer wall of the stator core. The upper end cover and the lower end cover are fixed to the outer edges of the two ends of the stator core by bolts, thereby shortening the distance between the bolts and the output shaft, and having the characteristics of compact structure and small space occupation.

[0004] However, in the above manner, no additional fixing structure is provided on the motor body housing, so matching assembly holes need to be punched at appropriate positions during its assembly. The motor body may be damaged during the punching process, affecting subsequent normal use. Utility Model Content

[0005] The utility model aims to provide a permanent magnet brushless DC motor, aiming to solve the problem that the existing permanent magnet brushless DC motor for high-pressure cleaning machine has no additional fixing structure on the motor body shell, so during its assembly process, it is necessary to drill matching assembly holes at appropriate positions, and the motor body may be damaged during the drilling process, affecting subsequent normal use.

[0006] To achieve the above object, the utility model provides a permanent magnet brushless DC motor, comprising a motor body and an assembly component;

[0007] The assembly component includes two assembly structures, a support frame, a mounting frame and two mounting structures; the two assembly structures are respectively located on one side of the motor body; the assembly structure includes an assembly ring and two mounting parts, and the assembly ring is located on one side of the motor body; the two mounting parts are respectively arranged on both sides of the assembly ring; the support frame is fixedly connected to the two assembly rings, respectively, and is located between the two assembly rings; the mounting frame is fixedly connected to the assembly ring and is located on one side of the assembly ring; the two mounting structures are respectively located on both sides of the mounting frame; the mounting structure includes an adjusting part and an L-shaped fixing plate, and the adjusting part is arranged on one side of the mounting frame; the L-shaped fixing plate is fixedly connected to the adjusting part and is located on one side of the adjusting part; the L-shaped fixing plate has two mounting holes, and the two mounting holes are respectively located on one side of the L-shaped fixing plate.

[0008] Wherein, the mounting part includes a locking screw, a telescopic rod, a connecting plate, a guide accessory and an abutment seat, the locking screw is rotatably connected to the assembly ring and is located on one side of the assembly ring; the telescopic rod is threadedly connected to the locking screw and is located on one side of the locking screw; the connecting plate is fixedly connected to the telescopic rod and is located on one side of the telescopic rod; the guide accessory is arranged between the assembly ring and the connecting plate; the abutment seat is fixedly connected to the connecting plate and is located on one side of the connecting plate.

[0009] Wherein, the guide accessory includes a guide sleeve and a guide column, the guide sleeve is fixedly connected to the assembly ring and is located on one side of the assembly ring; the guide column is slidably connected to the guide sleeve and fixedly connected to the connecting plate and is located on one side of the guide sleeve.

[0010] Among them, the adjusting member includes an adjusting frame, an adjusting screw and a slider, the adjusting frame is fixedly connected to the mounting frame and is located on one side of the mounting frame; the adjusting screw is rotatably connected to the adjusting frame and is located on one side of the adjusting frame; the slider is threadedly connected to the adjusting screw, fixedly connected to the L-shaped fixing plate, and then slidably connected to the adjusting frame and is located on one side of the adjusting screw.

[0011] Wherein, the mounting member further comprises a buffer attachment, and the buffer attachment is arranged on one side of the abutment seat.

[0012] Wherein, the buffer accessory includes an elastic buffer layer and an anti-skid pad, the elastic buffer layer is fixedly connected to the abutment seat and is located at one side of the abutment seat; the anti-skid pad is fixedly connected to the elastic buffer layer and is located at one side of the elastic buffer layer.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By setting two of the assembly structures, the support frame, the mounting frame and the two mounting structures, when assembling the motor body, the two assembly rings are respectively sleeved on the two ends of the motor body, and then the mounting member is operated to fix the assembly ring and the support frame to the motor body, and then the adjustment member is operated to adjust the position of the L-shaped fixing plate according to the assembly situation, so that after the L-shaped fixing plate is moved to a suitable position, a screw is used to pass through the mounting hole and threadedly connected to the assembly position to complete the assembly of the motor body, thereby solving the problem that the motor body shell of the existing permanent magnet brushless DC motor for high-pressure cleaning machine is not provided with an additional fixing structure, so during the assembly process, it is necessary to punch matching assembly holes at suitable positions, and the motor body may be damaged during the punching process, affecting the subsequent normal use.

[0015] 2. By setting the locking screw, the telescopic rod, the connecting plate, the guide accessory and the abutment seat, the locking screw is twisted to drive the telescopic rod to drive the connecting plate to cooperate with the limit of the guide accessory, so that the abutment seat abuts against the surface of the motor body to complete the assembly of the assembly ring, thereby making it more convenient to assemble the assembly ring.

[0016] 3. By setting the adjustment frame, the adjustment screw and the slider, twisting the adjustment screw drives the slider to slide and translate in the adjustment frame, and the slider drives the L-shaped fixing plate to move, and the position of the L-shaped fixing plate is adjusted. The screw is used to pass through the mounting hole and threadedly connect with the assembly position, so that the L-shaped fixing plate can adapt to more assembly holes.

[0017] 4. By providing the elastic buffer layer and the anti-skid pad, when the abutment seat abuts against the surface of the motor body, the elastic buffer layer provides an elastic buffer force and cooperates with the anti-skid pad to increase the friction of the surface, so that the installation of the assembly ring is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0019] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0020] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0021] Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0022] Figure 4It is an overall cross-sectional view of the second embodiment of the utility model.

[0023] 101-motor body, 102-assembly structure, 103-support frame, 104-installation frame, 105-installation structure, 106-assembly ring, 107-installation part, 108-adjustment part, 109-L-shaped fixing plate, 110-installation hole, 111-locking screw, 112-telescopic rod, 113-connecting plate, 114-guide accessory, 115-contact seat, 116-guide sleeve, 117-guide column, 118-adjustment frame, 119-adjustment screw, 120-slider, 201-buffer accessory, 202-elastic buffer layer, 203-anti-slip pad. DETAILED DESCRIPTION

[0024] The first embodiment of the present application is:

[0025] See also Figure 1-Figure 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a front view of the whole of the first embodiment of the utility model. Figure 3 It is an overall cross-sectional view of the first embodiment of the utility model.

[0026] The utility model provides a permanent magnet brushless DC motor: comprising a motor body 101 and an assembly component, wherein the assembly component comprises two assembly structures 102, a support frame 103, a mounting frame 104 and two mounting structures 105, wherein the assembly structure 102 comprises an assembly ring 106 and two mounting members 107, wherein the mounting structure 105 comprises an adjusting member 108 and an L-shaped fixing plate 109, wherein the L-shaped fixing plate 109 has two mounting holes 110, and wherein the mounting member 107 comprises a locking screw 111, a telescopic rod 112, a connecting plate 113, a guide accessory 114 and an abutment seat 115, wherein the guide accessory 114 includes a guide sleeve 116 and a guide column 117, and the adjustment member 108 includes an adjustment frame 118, an adjustment screw 119 and a slider 120. The above scheme solves the problem that the motor body 101 of the existing high-pressure cleaning machine has no additional fixing structure on its shell, so it is necessary to drill matching assembly holes at appropriate positions during its assembly process, and the motor body 101 may be damaged during the drilling process, affecting the subsequent normal use.

[0027] With respect to this specific implementation, the motor body 101 is used to be assembled on a high-pressure cleaning machine to provide kinetic energy. The specific structure and usage method refer to the patent document with publication number CN218498887U, which will not be elaborated here.

[0028] Among them, the two assembly structures 102 are respectively located on one side of the motor body 101; the assembly ring 106 is located on one side of the motor body 101; the two mounting members 107 are respectively arranged on both sides of the assembly ring 106; the support frame 103 is respectively fixedly connected to the two assembly rings 106 and is located between the two assembly rings 106; the mounting frame 104 is fixedly connected to the assembly ring 106 and is located on one side of the assembly ring 106; the two mounting structures 105 are respectively located on both sides of the mounting frame 104; the adjusting member 108 is arranged on one side of the mounting frame 104; the L-shaped fixing plate 109 is fixedly connected to the adjusting member 108 and is located on one side of the adjusting member 108; the L-shaped fixing plate 109 has two mounting holes 110, and the two mounting holes 110 are respectively located on the L-shaped fixing plate 1 09 side, when assembling the motor body 101, the two assembly rings 106 are respectively mounted on the two ends of the motor body 101, and then the mounting member 107 is operated to fix the assembly ring 106 and the support frame 103 to the motor body 101, and then the adjustment member 108 is operated to adjust the position of the L-shaped fixing plate 109 according to the assembly situation, so that after the L-shaped fixing plate 109 is moved to a suitable position, a screw is used to pass through the mounting hole 110 and threadedly connect with the assembly position to complete the assembly of the motor body 101, thereby solving the problem that the motor body 101 shell of the existing high-pressure cleaning machine is not provided with an additional fixing structure, so during the assembly process, it is necessary to punch matching assembly holes at suitable positions, and the motor body 101 may be damaged during the punching process, affecting the subsequent normal use.

[0029] Secondly, the locking screw 111 is rotatably connected to the assembly ring 106 and is located on one side of the assembly ring 106; the telescopic rod 112 is threadedly connected to the locking screw 111 and is located on one side of the locking screw 111; the connecting plate 113 is fixedly connected to the telescopic rod 112 and is located on one side of the telescopic rod 112; the guide attachment 114 is arranged between the assembly ring 106 and the connecting plate 113; the abutment seat 115 is fixedly connected to the connecting plate 113 and is located on one side of the connecting plate 113, and the locking screw 111 is twisted to drive the telescopic rod 112 to drive the connecting plate 113 to cooperate with the limiting position of the guide attachment 114, so that the abutment seat 115 abuts against the surface of the motor body 101 to complete the assembly of the assembly ring 106, thereby making it more convenient to assemble the assembly ring 106.

[0030] At the same time, the guide sleeve 116 is fixedly connected to the assembly ring 106 and is located on one side of the assembly ring 106; the guide column 117 is slidably connected to the guide sleeve 116, and is fixedly connected to the connecting plate 113 and is located on one side of the guide sleeve 116. The guide sleeve 116 is used to support the sliding of the guide column 117, and the guide column 117 is used to limit the moving position of the connecting plate 113, so that the abutment seat 115 is more stable when abutting against the motor body 101.

[0031] In addition, the adjusting frame 118 is fixedly connected to the mounting frame 104 and is located on one side of the mounting frame 104; the adjusting screw 119 is rotatably connected to the adjusting frame 118 and is located on one side of the adjusting frame 118; the slider 120 is threadedly connected to the adjusting screw 119 and is fixedly connected to the L-shaped fixing plate 109, and then slidably connected to the adjusting frame 118 and is located on one side of the adjusting screw 119. Twisting the adjusting screw 119 drives the slider 120 to slide and translate in the adjusting frame 118, and the slider 120 drives the L-shaped fixing plate 109 to move, adjust the position of the L-shaped fixing plate 109, and use a screw to pass through the mounting hole 110 and threadedly connect it to the assembly position, so that the L-shaped fixing plate 109 can adapt to more assembly holes.

[0032] When using a permanent magnet brushless DC motor described in this embodiment, when assembling the motor body 101, the two assembly rings 106 are respectively sleeved on the two ends of the motor body 101, and then the locking screw 111 is twisted to drive the telescopic rod 112 to drive the connecting plate 113 to cooperate with the limiting of the guide attachment 114, so that the abutment seat 115 abuts against the surface of the motor body 101 to complete the assembly of the assembly ring 106, and then the adjusting screw 119 is twisted according to the assembly situation to drive the slider 120 to slide and translate in the adjusting frame 118. The slider 120 drives the L-shaped fixing plate 109 to move, and adjusts the position of the L-shaped fixing plate 109. After the L-shaped fixing plate 109 moves to a suitable position, a screw is used to pass through the mounting hole 110 and threadedly connect with the assembly position to complete the assembly of the motor body 101, thereby solving the problem that the motor body 101 shell of the existing permanent magnet brushless DC motor for high-pressure cleaning machine is not provided with an additional fixing structure, so during the assembly process, it is necessary to drill matching assembly holes at suitable positions, and the motor body 101 may be damaged during the drilling process, affecting the subsequent normal use.

[0033] The second embodiment of the present application is:

[0034] See also Figure 4 ,in, Figure 4It is an overall cross-sectional view of the second embodiment of the utility model.

[0035] On the basis of the first embodiment, the utility model provides a permanent magnet brushless DC motor, wherein the mounting member 107 further comprises a buffer accessory 201 , and the buffer accessory 201 comprises an elastic buffer layer 202 and an anti-slip pad 203 .

[0036] The buffer attachment 201 is disposed on one side of the abutment seat 115 , and the buffer attachment 201 is used to make the abutment seat 115 more stable when abutting against the motor body 101 .

[0037] Secondly, the elastic buffer layer 202 is fixedly connected to the abutment seat 115 and is located on one side of the abutment seat 115; the anti-slip pad 203 is fixedly connected to the elastic buffer layer 202 and is located on one side of the elastic buffer layer 202. When the abutment seat 115 abuts against the surface of the motor body 101, the elastic buffer layer 202 provides an elastic buffering force which cooperates with the anti-slip pad 203 to increase the friction of the surface, thereby making the installation of the assembly ring 106 more stable.

[0038] When using the permanent magnet brushless DC motor described in this embodiment, when the abutment seat 115 abuts against the surface of the motor body 101, the elastic buffer layer 202 provides elastic buffer force and cooperates with the anti-slip pad 203 to increase the surface friction, so that the installation of the assembly ring 106 is more stable.

[0039] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A permanent magnet brushless DC motor, comprising a motor body, characterized in that: Also included are assembly components; The assembly assembly includes two assembly structures, a support frame, a mounting frame and two mounting structures; The two assembly structures are respectively located on one side of the motor body; the assembly structure includes an assembly ring and two mounting parts, and the assembly ring is located on one side of the motor body; the two mounting parts are respectively arranged on both sides of the assembly ring; the support frame is respectively fixedly connected to the two assembly rings and is located between the two assembly rings; the mounting frame is fixedly connected to the assembly ring and is located on one side of the assembly ring; the two mounting structures are respectively located on both sides of the mounting frame; the mounting structure includes an adjusting part and an L-shaped fixing plate, and the adjusting part is arranged on one side of the mounting frame; the L-shaped fixing plate is fixedly connected to the adjusting part and is located on one side of the adjusting part; the L-shaped fixing plate has two mounting holes, and the two mounting holes are respectively located on one side of the L-shaped fixing plate.

2. A permanent magnet brushless DC motor as claimed in claim 1, characterized in that: The mounting part includes a locking screw, a telescopic rod, a connecting plate, a guide accessory and an abutment seat, wherein the locking screw is rotatably connected to the assembly ring and is located on one side of the assembly ring; the telescopic rod is threadedly connected to the locking screw and is located on one side of the locking screw; the connecting plate is fixedly connected to the telescopic rod and is located on one side of the telescopic rod; the guide accessory is arranged between the assembly ring and the connecting plate; the abutment seat is fixedly connected to the connecting plate and is located on one side of the connecting plate.

3. A permanent magnet brushless DC motor as claimed in claim 2, characterized in that: The guide attachment includes a guide sleeve and a guide column. The guide sleeve is fixedly connected to the assembly ring and is located on one side of the assembly ring. The guide column is slidably connected to the guide sleeve and fixedly connected to the connecting plate and is located on one side of the guide sleeve.

4. A permanent magnet brushless DC motor as claimed in claim 3, characterized in that: The adjusting member includes an adjusting frame, an adjusting screw and a slider. The adjusting frame is fixedly connected to the mounting frame and is located on one side of the mounting frame; the adjusting screw is rotatably connected to the adjusting frame and is located on one side of the adjusting frame; the slider is threadedly connected to the adjusting screw, fixedly connected to the L-shaped fixing plate, and then slidably connected to the adjusting frame and is located on one side of the adjusting screw.

5. A permanent magnet brushless DC motor as claimed in claim 2, characterized in that: The mounting member further comprises a buffer attachment, and the buffer attachment is arranged on one side of the abutment seat.

6. A permanent magnet brushless DC motor as claimed in claim 5, characterized in that: The buffer accessory comprises an elastic buffer layer and an anti-skid pad, wherein the elastic buffer layer is fixedly connected to the abutment seat and is located at one side of the abutment seat; the anti-skid pad is fixedly connected to the elastic buffer layer and is located at one side of the elastic buffer layer.

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