Brushless generator convenient to overhaul

By designing a convenient disassembly device, including components such as grooves, protrusions, retaining rings, retaining balls, retaining rods, and springs, the problem of inconvenient disassembly of the brushless generator housing is solved, achieving convenient disassembly and fixation of the housing and improving maintenance efficiency.

CN223713707UActive Publication Date: 2025-12-23JIANGYIN HANGQIN SPECIAL MOTOR CO LTD
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Patent Information

Application Number
CN202422871790.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-12-23
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The casing of existing brushless generators is fixed by welding and bolts, which makes it inconvenient to disassemble and repair after damage.

Method used

A convenient disassembly device is designed, including components such as grooves, protrusions, retaining rings, retaining balls, retaining rods, and springs. Through the interaction of these components, the outer shell can be easily disassembled and fixed, achieving a self-locking effect.

Benefits of technology

It enables convenient disassembly and fixing of the brushless generator housing, facilitating maintenance, avoiding rigid contact and slippage, and improving maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a brushless generator convenient to overhaul, which relates to the technical field of brushless generators convenient to overhaul, and comprises a shell, a rotor is arranged in the shell, one end of the rotor is fixedly connected with an output shaft, and an excitation ring is arranged on the surface of the output shaft. A dismounting device is arranged on the surface of the output shaft, a convenient dismounting device is arranged on the surface of the shell, the convenient dismounting device comprises a groove formed in the surface of the shell, a convex block is fixedly connected to the surface of the shell, a clamping ring is fixedly connected to the surface of the convex block, and a clamping ball is fixedly connected to the interior of the groove. A groove is formed in the outer shell, a cushion block is fixedly connected into the groove, the cushion block is a rubber block, a clamping rod is inserted into the side face of the outer shell, the clamping rod is inserted into the protruding block, and a first spring is arranged on the surface of the clamping rod in a sleeved mode.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of brushless generator of convenient overhaul especially relates to a brushless generator of convenient overhaul. BACKGROUND

[0002] The brushless generator is actually composed of two generators, one is exciter, and the other is main generator, and the rotating rectifier composed of diode (or thyristor). The excitation winding of the main generator is in the rotor, and the armature winding is in the stator (the output of the generated electricity). The armature winding of the exciter is in the rotor, and the excitation winding is in the stator.

[0003] The inventor found that the shell slot of the general brushless generator is fixed together through welding and bolt etc. fixed assembly, which causes the brushless generator to be inconvenient to disassemble for maintenance after damage, thereby causing the influence. UTILITY MODEL CONTENT

[0004] The utility model discloses a brushless generator of convenient overhaul to solve the shortcomings in the prior art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a brushless generator of convenient overhaul, including the shell, the inside of shell is provided with the rotor, one end of rotor is fixedly connected with the output shaft, the surface of output shaft is provided with excitation ring, the surface of output shaft is provided with the dismounting device, the surface of shell is provided with the convenient dismounting device, the convenient dismounting device includes the recess that is set up in the surface of shell, the surface of shell is fixedly connected with the lug, the surface of lug is fixedly connected with the snap ring, the inside of recess is fixedly connected with the ball.

[0006] The effect of the above components is that under the action of the snap ring and the ball, the shell can be clamped together, which makes the shell easy to disassemble and facilitates maintenance.

[0007] Preferably, the inside of the recess is fixedly connected with a pad, and the pad is a rubber block.

[0008] The effect of the above components is that under the action of the pad, the lug will not collide violently when inserted into the recess, avoiding rigid contact.

[0009] Preferably, the side surface of the shell is inserted with a clamping rod, and the clamping rod is inserted into the inside of the lug.

[0010] The effect of the above components is that under the action of the clamping rod, the lug can be fixed after being inserted into the recess, thereby achieving the effect of fixation.

[0011] Preferably, the surface of the clamping rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the side surface of the shell and one end of the clamping rod respectively.

[0012] The above component achieves the effect that the clamping rod is inserted into the inside of the protrusion to be fixed under the action of the first spring, the shell is disassembled for maintenance through the convenient disassembling device when the brushless generator needs to be maintained, the shell is combined together after the protrusion is inserted into the inside of the groove when the maintenance is completed, the shell can be clamped together under the action of the clamping ring and the clamping ball, the clamping rod is inserted into the inside of the protrusion to be fixed under the action of the first spring when the protrusion is completely transmitted into the inside of the groove, and thus the fixing effect is achieved, thereby achieving the convenient disassembling effect.

[0013] Preferably, the disassembling device comprises a rectangular block fixedly connected with the surface of the output shaft, and a circular rod fixedly connected with the side surface of the excitation ring.

[0014] The above component achieves the effect that the excitation ring does not slip and does not rotate after being installed on the surface of the output shaft under the action of the rectangular block and the cross slot.

[0015] Preferably, the surface of the rectangular block is fixedly connected with a circular ring, and an annular groove is formed in the inner wall of the cross slot.

[0016] The above component achieves the effect that the rectangular block can be clamped in the inside of the cross slot under the action of the circular ring and the annular groove, and the slipping phenomenon is avoided.

[0017] Preferably, a clamping rod is inserted in the side surface of the circular rod, and the clamping rod is inserted into the inside of the output shaft.

[0018] The above component achieves the effect that the excitation ring does not slip from the surface of the output shaft under the action of the clamping rod, thereby achieving the fixing effect.

[0019] Preferably, the surface of the clamping rod is sleeved with a second spring, and two ends of the second spring are fixedly connected with the surface of the circular rod and one end of the clamping rod respectively.

[0020] The effect achieved by the above-mentioned components is that the worn clamping rod is inserted into the inside of the output shaft under the action of the second spring and is self-locked, when the excitation ring needs to be overhauled, the clamping rod is pulled out, the excitation ring is pulled outwards, and then the excitation ring is disassembled for overhaul, after the overhaul is completed, the circular rod fixed at one end of the excitation ring is simultaneously on the surface of the output shaft under the action of the rectangular block and the cross groove, so that the excitation ring is installed on the surface of the output shaft and cannot slip and rotate, after the installation is completed, the worn clamping rod is inserted into the inside of the output shaft under the action of the second spring, and the fixing effect is achieved.

[0021] Compared with the prior art, the utility model has the advantages and positive effects that,

[0022] In the utility model, when the brushless generator needs to be overhauled, the shell is disassembled for overhaul through the convenient dismounting device, when the overhaul is completed, the shell is combined together through the insertion of the convex block into the inside of the recess, under the action of the clamping ring and the clamping ball, the shell can be clamped together, when the convex block is completely transmitted into the inside of the recess, the clamping rod is inserted into the inside of the convex block and is self-locked under the action of the first spring, and the fixing effect is achieved, so that the convenient dismounting effect is achieved, and the problem that the shell of the brushless generator is inconvenient to dismount is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 A three-dimensional structure schematic diagram of the brushless generator convenient for overhaul is provided for the utility model;

[0024] Fig. 2 A convenient dismounting device schematic diagram of the brushless generator convenient for overhaul is provided for the utility model;

[0025] Fig. 3 A dismounting device schematic diagram of the brushless generator convenient for overhaul is provided for the utility model.

[0026] Legend: 1, shell; 2, convenient dismounting device; 21, recess; 22, convex block; 23, clamping ring; 24, clamping ball; 25, pad block; 26, clamping rod; 27, first spring; 3, dismounting device; 31, rectangular block; 32, cross groove; 33, circular ring; 34, clamping rod; 35, second spring; 4, excitation ring; 5, output shaft. DETAILED DESCRIPTION

[0027] Example 1, as Figs. 1-3The utility model discloses a brushless generator of convenient overhauling, including shell 1, the inside of shell 1 is provided with rotor, and one end of rotor is fixedly connected with output shaft 5, and the surface of output shaft 5 is provided with excitation ring 4, and the surface of output shaft 5 is provided with dismounting device 3, and the surface of shell 1 is provided with convenient dismounting device 2, and the working principle of brushless generator is mainly: the stator part of main generator has three-phase winding, and generates rotating magnetic field through the current excitation of specific order, and the rotor part is permanent magnet, and interacts with the rotating magnetic field generated by stator, makes the rotor rotate, and the whole process is managed through electronic controller to the direction and size of current, ensures the stable operation of generator.

[0028] Refer to Fig. 2 , convenient dismounting device 2 includes the recess 21 being set up in the surface of shell 1, and the surface of shell 1 is fixedly connected with lug 22, and the surface of lug 22 is fixedly connected with snap ring 23, and the inside of recess 21 is fixedly connected with ball 24, under the action of snap ring 23 and ball 24, shell 1 can be clamped together, further make shell 1 convenient to disassemble, further convenient to overhaul, the inside of recess 21 is fixedly connected with pad 25, and pad 25 is rubber block, under the action of pad 25, when lug 22 is inserted into the inside of recess 21, will not have the phenomenon of violent impact, avoids the phenomenon of rigid contact, and the side of shell 1 is inserted with clamping rod 26, and clamping rod 26 is inserted into the inside of lug 22, under the action of clamping rod 26, after lug 22 is inserted into the inside of recess 21, can be fixed, further reaches the fixed effect, and the surface of clamping rod 26 is equipped with first spring 27, and the both ends of first spring 27 are fixedly connected with the side of shell 1 and one end of clamping rod 26 respectively, under the action of first spring 27, clamping rod 26 is inserted into the inside of lug 22 and is fixed with the phenomenon of self-locking, when needing to overhaul brushless generator, shell 1 is disassembled through convenient dismounting device 2 and is overhauled, when overhauling is finished, shell 1 is combined together by lug 22 being inserted into the inside of recess 21, under the action of snap ring 23 and ball 24, shell 1 can be clamped together, when lug 22 is completely transmitted into the inside of recess 21, under the action of first spring 27, clamping rod 26 is inserted into the inside of lug 22 and is fixed with the phenomenon of self-locking, further reaches the fixed effect, to reach the effect of convenient dismounting.

[0029] Refer to Fig. 3The dismounting device 3 comprises a rectangular block 31 fixedly connected to the surface of the output shaft 5, a circular rod is fixedly connected to the side surface of the excitation ring 4, a cross slot 32 is formed in one end of the circular rod, under the action of the rectangular block 31 and the cross slot 32, the excitation ring 4 will not slip and not rotate after being installed to the surface of the output shaft 5, a circular ring 33 is fixedly connected to the surface of the rectangular block 31, a ring groove is formed in the inner wall of the cross slot 32, under the action of the circular ring 33 and the ring groove, the rectangular block 31 can be clamped in the inside of the cross slot 32, avoiding the slipping phenomenon, a clamping rod 34 is inserted into the inside of the output shaft 5, under the action of the clamping rod 34, the excitation ring 4 will not slip from the surface of the output shaft 5, thereby achieving the fixed effect, a second spring 35 is sleeved on the surface of the clamping rod 34, two ends of the second spring 35 are fixedly connected to the surface of the circular rod and one end of the clamping rod 34 respectively, under the action of the second spring 35, the worn clamping rod 34 is inserted into the inside of the output shaft 5 in the self-locking phenomenon, when the excitation ring 4 needs to be overhauled, the clamping rod 34 is pulled out, the excitation ring 4 is pulled out outward, and then the excitation ring 4 is dismounted and overhauled, after the overhaul is completed, the circular rod fixedly connected to one end of the excitation ring 4 is simultaneously on the surface of the output shaft 5, under the action of the rectangular block 31 and the cross slot 32, the excitation ring 4 will not slip and not rotate after being installed to the surface of the output shaft 5, after the installation is completed, under the action of the second spring 35, the worn clamping rod 34 is inserted into the inside of the output shaft 5 in the self-locking phenomenon, thereby achieving the fixed effect, so as to achieve the dismounting effect.

[0030] The working principle is that when the brushless generator needs to be conveniently maintained, the stator part of the main generator has three-phase windings, which are excited by a specific sequence of current to generate a rotating magnetic field. The rotor part is a permanent magnet, which interacts with the rotating magnetic field generated by the stator to make the rotor rotate. The whole process is managed by an electronic controller to control the direction and size of the current, ensuring the stable operation of the generator. When the brushless generator needs to be maintained, the shell 1 is disassembled through the convenient disassembly device 2 for maintenance. When the maintenance is completed, the shell 1 is combined together by inserting the protrusion 22 into the recess 21. Under the action of the clamping ring 23 and the clamping ball 24, the shell 1 can be clamped together. When the protrusion 22 is completely transmitted into the recess 21, the clamping rod 26 is inserted into the protrusion 22 under the action of the first spring 27, and the clamping rod 26 is fixed, thereby achieving the fixed effect, so as to achieve the convenient disassembly effect. When the excitation ring 4 needs to be maintained, pull out the clamping rod 34, pull out the excitation ring 4, and then disassemble the excitation ring 4 for maintenance. After the maintenance is completed, the circular rod fixed at one end of the excitation ring 4 is on the surface of the output shaft 5, and under the action of the rectangular block 31 and the cross groove 32, the excitation ring 4 is installed on the surface of the output shaft 5 without slipping and rotating. After installation is completed, the worn clamping rod 34 is inserted into the output shaft 5 under the action of the second spring 35, thereby achieving the fixed effect, so as to achieve the disassembly effect.

Claims

1. A brushless generator with easy access, comprising a housing (1) inside which a rotor is arranged, characterized in that: One end of the rotor is fixedly connected with an output shaft (5), the surface of the output shaft (5) is provided with an excitation ring (4), the surface of the output shaft (5) is provided with a dismounting device (3), the surface of the shell (1) is provided with a convenient dismounting device (2), the convenient dismounting device (2) comprises a groove (21) opened in the surface of the shell (1), the surface of the shell (1) is fixedly connected with a lug (22), the surface of the lug (22) is fixedly connected with a snap ring (23), the inside of the groove (21) is fixedly connected with a clamping ball (24).

2. The brushless generator with easy access according to claim 1, characterized in that: The inside of the groove (21) is fixedly connected with a cushion block (25), and the cushion block (25) is a rubber block.

3. A brushless generator with easy access as claimed in claim 2, characterized in that: The side surface of the shell (1) is inserted with a clamping rod (26), and the clamping rod (26) is inserted into the inside of the lug (22).

4. A brushless generator with easy access according to claim 3, characterized in that: The surface of the clamping rod (26) is sleeved with a first spring (27), and the two ends of the first spring (27) are fixedly connected with the side surface of the shell (1) and one end of the clamping rod (26) respectively.

5. A brushless generator with easy access as claimed in claim 4, characterized in that: The dismounting device (3) comprises a rectangular block (31) fixedly connected with the surface of the output shaft (5), and the side surface of the excitation ring (4) is fixedly connected with a circular rod.

6. A brushless generator with easy access as claimed in claim 5, characterized in that: The surface of the rectangular block (31) is fixedly connected with a circular ring (33), and the inner wall of the cross groove (32) is provided with an annular groove.

7. A brushless generator with easy access according to claim 6, characterized in that: The side surface of the circular rod is inserted with a clamping rod (34), and the clamping rod (34) is inserted into the inside of the output shaft (5).

8. The convenient maintenance brushless generator of claim 7, wherein: The surface of the clamping rod (34) is sleeved with a second spring (35), and the two ends of the second spring (35) are fixedly connected with the surface of the circular rod and one end of the clamping rod (34) respectively.