Carbon commutator capable of preventing commutator segments from loosening

Abstract

The invention relates to the technical field of carbon commutators, and provides a commutator segment loosening prevention carbon commutator comprising a main body assembly which comprises an insulating sleeve and a commutator segment body. The commutator segment body is welded on the outer ring of the insulating sleeve; the mounting assembly comprises a mounting groove, an auxiliary block, a mounting block and a slot; the mounting groove is formed in the top end of the insulating sleeve, the auxiliary block is slidably connected to the interior of the mounting groove, the mounting block is fixedly connected to the inner bottom wall of the top end of the commutator segment body, the slot is formed in the top end of the commutator segment body, and the mounting assembly further comprises a bolt and a rotating frame; and the bolt is in threaded connection with one end of the auxiliary block. Through auxiliary cooperation between the mounting block and the mounting groove, the mounting block can be inserted into the mounting groove and extrudes the rotating frame, so that the auxiliary block can be driven to vertically ascend, the welding stability of the commutator segment body can be improved, and the commutator segment body is prevented from loosening in the welding process.

Description

Technical Field

[0001] The present invention relates to the technical field of carbon commutators, and particularly relates to a carbon commutator for preventing commutation pieces from loosening. Background Art

[0002] The carbon commutator is one of the essential components in a DC motor, and is used to change the circuit connection mode between the rotating sub-winding and the power supply;

[0003] For this reason, a patented hook-type commutator for preventing jumping pieces with the authorization announcement number of 202110386710.2U discloses a hook-type commutator for preventing jumping pieces, including a base body and commutation pieces. The commutation pieces are circumferentially distributed on the outer surface of the base body, and the base body is composed of an upper mold and a lower mold. By dividing the base body into two parts, and making the guide rods arranged on the lower mold penetrate through the feet of the commutation pieces and be fixed to the upper mold, the present invention can not only make the inserting process of the commutation pieces flexible during the processing, but also effectively solve the problem of insufficient bonding strength between the commutation pieces and the base body. By arranging plugs that will increase in volume when heated on the guide rods, the connection strength between the commutator and the base body can be increased when the internal heat of the commutator increases. Further, by arranging the curved panels on the feet to increase the contact area between the feet of the commutation pieces and the base body to increase the stress points, the possibility of jumping pieces caused by the loose connection between the commutation pieces and the base body is reduced;

[0004] The above-mentioned existing technical solutions have the following defects: Although the curved panels on the feet are arranged to increase the contact area between the feet of the commutation pieces and the base body to increase the stress points, and the possibility of jumping pieces caused by the loose connection between the commutation pieces and the base body is reduced, the commutation pieces of the carbon commutator usually achieve the connection effect through a single welding method. When the motor runs, the temperature of the commutator rises, and the expansion degrees of each component are inconsistent, which may cause the fitting clearance between the commutation pieces and the sleeve and the retaining ring to increase. After long-term repeated thermal expansion and contraction, it is easy to cause the carbon commutator to loosen, thus affecting the use of the carbon commutator. Summary of the Invention

[0005] The purpose of the present invention is to provide a carbon commutator for preventing commutation pieces from loosening, so as to solve the defect that the installation method of an existing carbon commutator for preventing commutation pieces from loosening is relatively single and is prone to looseness under the influence of uncertain factors during use.

[0006] In order to solve the above technical problems, the present invention provides the following technical solution: A carbon commutator for preventing commutation pieces from loosening, including:

[0007] Main body assembly: The main body assembly includes an insulating sleeve and a commutation piece body;

[0008] The commutation piece body is welded to the outer ring of the insulating sleeve;

[0009] Installation components: The installation components include an installation groove, an auxiliary block, an installation block, and a slot;

[0010] The installation groove is opened at the top of the insulating sleeve. The auxiliary block is slidably connected to the inside of the installation groove. The installation block is fixedly connected to the inner bottom wall of the top end of the commutator body. The slot is opened at the top end of the commutator body.

[0011] Preferably, the installation components further include a bolt and a rotating frame;

[0012] The bolt is threadedly connected to one end of the auxiliary block. The rotating frame is rotatably connected to the inside of the installation groove.

[0013] Preferably, the auxiliary block is fixedly connected to the inner side of one end of the rotating frame, and the installation angle of the rotating frame is forty-five degrees.

[0014] Preferably, the main body components further include a welding plate and an installation end;

[0015] The welding plate is fixedly connected to the bottom end of the insulating sleeve. The installation end is fixedly connected to the upper and lower ends of the insulating sleeve.

[0016] Preferably, a connection component is further included;

[0017] The connection component includes a welding wire groove and a connection block;

[0018] The welding wire groove is opened at the top of the welding plate, and the connection block is fixedly connected to the bottom end of the commutator body.

[0019] Preferably, the connection component further includes a spring buckle and a limiting hole;

[0020] The spring buckle is fixedly connected to the lower part of the inner wall of the commutator body. The limiting hole is opened on the outer wall of the insulating sleeve.

[0021] Preferably, an auxiliary component is further included;

[0022] The auxiliary component includes a fixing groove, a connecting rod, and a rotating ring;

[0023] The fixing groove is opened at the bottom end of the welding plate. The rotating ring is welded to the inside of the fixing groove. The connecting rod is fixedly connected to one side of the rotating ring. The rotating ring is inserted into the inside of the connection block through the welding wire groove.

[0024] Preferably, a sealing component is further included;

[0025] The sealing component includes two groups of sealing cylinders, a sleeve disc, a guiding disc, a connecting frame, and a rotating handle;

[0026] The two groups of sealing cylinders are respectively fixedly connected to one end of the installation end. The sleeve disc is fixedly connected to the inside of the sealing cylinder. The guiding disc is rotatably connected to the inside of the sleeve disc. The connecting frame is fixedly connected to the top end of the guiding disc. The rotating handle is fixedly connected to the outside of the guiding disc.

[0027] Preferably, the sealing assembly further includes a sealing plate, a guiding block, a movable block, a guiding groove, an arc groove, and a through groove;

[0028] The guiding block is slidably connected to the inside of the guiding groove. The sealing plate is fixedly connected to one end of the guiding block. The movable block is fixedly connected to one side of the sealing plate. The guiding groove is formed on one surface of the guiding disk. The through groove is formed inside the insulating sleeve.

[0029] Preferably, the arc groove is formed on one surface of the sleeve disk. The movable block penetrates through the inside of the arc groove. The connecting frame penetrates through the inside of the through groove.

[0030] An anti-loosening carbon commutator provided by the present invention has the following advantages:

[0031] By providing an installation mechanism, through the auxiliary cooperation between the installation block and the installation groove, the installation block can be inserted into the inside of the installation groove and the rotating frame can be extruded, which can drive the auxiliary block to rise vertically, increasing the welding stability of the commutator segment body and preventing loosening during the welding process of the commutator segment body;

[0032] Furthermore, a connection structure is provided. Through the auxiliary cooperation between the welding wire groove and the connection block, when the connection block is inserted into the inside of the welding wire groove, the spring buckle can be snapped into the inside of the limiting hole, assisting the staff to stably install the insulating sleeve and the commutator segment body, reducing the probability of the position deviation of the commutator segment body during welding;

[0033] Based on the above beneficial effects, an auxiliary component is provided. Through the auxiliary cooperation between the fixing groove and the connecting rod, the rotating ring can be inserted into the inside of the connection block, increasing the welding stability of the commutator segment body and preventing loosening of the commutator segment body during actual use;

[0034] By providing a sealing assembly, through the auxiliary cooperation between the sleeve disk and the connecting frame, by rotating the guiding disk, multiple groups of sealing plates can be driven to slide, forming a seal at the front end of the installation end, sealing the placed insulating sleeve, and preventing external moisture from entering the inside of the insulating sleeve and affecting its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is an axonometric schematic diagram of the present invention;

[0036] Figure 2 is another axonometric view of the present invention;

[0037] Figure 3 is a three-dimensional exploded schematic diagram of the present invention;

[0038] Figure 4Schematic three-dimensional view of the commutator segment of the present invention;

[0039] Figure 5 Schematic three-dimensional view of the auxiliary block of the present invention;

[0040] Figure 6 Schematic exploded three-dimensional view of the auxiliary component of the present invention;

[0041] Figure 7 Schematic exploded three-dimensional view of the sealing component of the present invention;

[0042] Figure 8 Exploded view of the parts of the sealing component of the present invention;

[0043] Figure 9 Schematic three-dimensional view of the guide disc of the present invention.

[0044] Explanation of the reference numerals in the figure:

[0045] 11. Insulating sleeve; 12. Commutator segment body; 13. Welding plate; 14. Installation end;

[0046] 21. Installation groove; 22. Auxiliary block; 23. Installation block; 24. Slot; 25. Bolt; 26. Rotating frame;

[0047] 31. Welding wire groove; 32. Connecting block; 33. Spring buckle; 34. Limit hole;

[0048] 301. Fixed groove; 302. Connecting rod; 303. Rotating ring;

[0049] 41. Sealing cylinder; 42. Sleeve plate; 43. Guide disc; 44. Connecting frame; 45. Rotating handle; 46. Sealing plate; 47. Guide block; 48. Movable block; 49. Guide groove; 410. Arc groove; 411. Through groove. Detailed implementation manners

[0050] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0051] Please refer to Figures 3 - 5 , a carbon commutator for preventing loosening of the commutator segment provided by the present invention includes:

[0052] Main body component: The main body component includes an insulating sleeve 11 and a commutator segment body 12;

[0053] The commutator segment body 12 is welded to the outer ring of the insulating sleeve 11;

[0054] The main body assembly further includes a welding plate 13 and a mounting end 14;

[0055] The welding plate 13 is fixedly connected to the bottom end of the insulating sleeve 11, and the mounting end 14 is fixedly connected to the upper and lower ends of the insulating sleeve 11;

[0056] The number of commutator segment bodies 12 is multiple groups, and the multiple groups of commutator segment bodies 12 are welded to the outer ring of the insulating sleeve 11 at equal distances centered on the center of the insulating sleeve 11;

[0057] Among them, the insulating sleeve 11 is used on the commutator or slip ring of the motor as a sliding contact body for leading in and leading out current;

[0058] Mounting assembly: The mounting assembly includes a mounting groove 21, an auxiliary block 22, a mounting block 23 and a slot 24;

[0059] The mounting groove 21 is opened at the top end of the insulating sleeve 11, the auxiliary block 22 is slidably connected to the inside of the mounting groove 21, the mounting block 23 is fixedly connected to the inner bottom wall of the top end of the commutator segment body 12, and the slot 24 is opened at the top end of the commutator segment body 12;

[0060] The mounting assembly further includes a bolt 25 and a rotating frame 26;

[0061] The bolt 25 is threadedly connected to one end of the auxiliary block 22, and the rotating frame 26 is rotatably connected to the inside of the mounting groove 21;

[0062] The mounting groove 21 is used to provide a space for the bolt 25 to rotate. One end of the bolt 25 and the mounting block 23 are arranged on the same central axis. The slot 24 is used to provide a space for the auxiliary block 22 to be inserted, and the auxiliary block 22 is used to provide a space for the bolt 25 to be threadedly connected;

[0063] Through the auxiliary cooperation between the mounting block 23 and the mounting groove 21, by inserting the mounting block 23 into the inside of the mounting groove 21 and squeezing the rotating frame 26, the auxiliary block 22 can be driven to rise vertically;

[0064] Working principle: When the staff welds the commutator segment body 12;

[0065] First, insert the mounting block 23 installed at one end of the commutator segment body 12 into the inside of the mounting groove 21, and make the mounting block 23 squeeze one end of the rotating frame 26 horizontally below, so that the rotating frame 26 drives the auxiliary block 22 fixedly connected to one end to rise vertically from the inside of the mounting groove 21;

[0066] Then, the auxiliary block 22 can be vertically slid into the inside of the slot 24, and the bolt 25 and the auxiliary block 22 are threadedly connected;

[0067] This step can increase the welding stability of the commutator segment body 12 and prevent loosening during the welding of the commutator segment body 12.

[0068] Please refer to Figures 1 - 4 As shown, this embodiment further includes a connection component on the basis of the above embodiment;

[0069] The connection component includes a welding wire groove 31 and a connection block 32;

[0070] The welding wire groove 31 is opened at the top of the welding plate 13 and the connection block 32 is fixedly connected to the bottom end of the commutator segment body 12.

[0071] The connection component further includes a spring buckle 33 and a limiting hole 34;

[0072] The spring buckle 33 is fixedly connected to the lower part of the inner wall of the commutator segment body 12, and the limiting hole 34 is opened on the outer wall of the insulating sleeve 11;

[0073] The welding wire groove 31 is used to provide a plugging space for the connection block 32, and the limiting hole 34 is used to provide a plugging space for the spring buckle 33;

[0074] Through the auxiliary cooperation between the welding wire groove 31 and the connection block 32, when the connection block 32 is inserted into the welding wire groove 31, the spring buckle 33 can be engaged inside the limiting hole 34;

[0075] Working principle: After the staff installs the commutator segment body 12 and the insulating sleeve 11;

[0076] First, the connection block 32 fixedly connected to the bottom end of the commutator segment body 12 can be inserted into the welding wire groove 31;

[0077] Then, when the inner side of the commutator segment body 12 is in contact with the outer side of the insulating sleeve 11, the spring buckle 33 can be engaged inside the limiting hole 34;

[0078] This step can assist the staff in stably installing the insulating sleeve 11 and the commutator segment body 12 and reduce the probability of the position deviation of the commutator segment body 12 during welding.

[0079] Please refer to Figures 4 - 6 As shown, this embodiment further includes an auxiliary component on the basis of the above embodiment;

[0080] The auxiliary component includes a fixing groove 301, a connecting rod 302 and a rotating ring 303;

[0081] The fixing groove 301 is opened at the bottom end of the welding plate 13, the rotating ring 303 is welded inside the fixing groove 301, the connecting rod 302 is fixedly connected to one side of the rotating ring 303, and the rotating ring 303 is inserted into the connecting block 32 through the welding wire groove 31;

[0082] The fixing groove 301 is used to provide a welding space for the swivel ring 303, and the connecting rod 302 is used to insert and limit the connecting block 32 inserted into the welding wire groove 31;

[0083] Through the auxiliary cooperation between the fixing groove 301 and the connecting rod 302, the swivel ring 303 can be inserted into the connecting block 32;

[0084] Working principle: Before the operator welds the commutator segment body 12;

[0085] First, the operator installs the connecting rod 302 inside the fixing groove 301 and inserts the connecting rod 302 into the connecting block 32 through the welding wire groove 31;

[0086] Then, the connecting rod 302 can be welded inside the fixing groove 301;

[0087] This step can increase the welding stability of the commutator segment body 12 and prevent the commutator segment body 12 from loosening during actual use.

[0088] Please refer to Figures 7 - 9 As shown, this embodiment further includes a sealing component on the basis of the above embodiment;

[0089] The sealing component includes two groups of sealing cylinders 41, a sleeve plate 42, a guide plate 43, a connecting frame 44 and a rotating handle 45;

[0090] The two groups of sealing cylinders 41 are respectively fixedly connected to one end of the mounting end 14, the sleeve plate 42 is fixedly connected to the inside of the sealing cylinder 41, the guide plate 43 is rotatably connected to the inside of the sleeve plate 42, the connecting frame 44 is fixedly connected to the top of the guide plate 43, and the rotating handle 45 is fixedly connected to the outside of the guide plate 43.

[0091] The sealing component further includes a sealing plate 46, a guide block 47, a movable block 48, a guide groove 49, an arc groove 410 and a through groove 411;

[0092] The guide block 47 is slidably connected to the inside of the guide groove 49, the sealing plate 46 is fixedly connected to one end of the guide block 47, the movable block 48 is fixedly connected to one side of the sealing plate 46, the guide groove 49 is opened on one surface of the guide plate 43, and the through groove 411 is opened inside the insulating sleeve 11;

[0093] There are two sets of sealing cylinders 41. The two sets of sealing cylinders 41 are installed at both ends of the insulating sleeve 11 up and down, and the two sets of sealing cylinders 41 are arranged on the same central axis. The sleeve plate 42 is used to open the arc groove 410, and the arc groove 410 is used to provide a sliding space for the movable block 48. The guide plate 43 is used to open the guide groove 49, and the guide groove 49 is used to provide a sliding space for the guide block 47. There are two sets of sleeve plates 42, and the two sets of sleeve plates 42 are connected by a connecting frame 44. The through groove 411 is used to provide a through space for the connecting frame 44;

[0094] Through the auxiliary cooperation between the sleeve plate 42 and the connecting frame 44, the rotation of the guide plate 43 can drive multiple sets of sealing plates 46 to slide, and form a seal at the front end of the installation end 14;

[0095] Working principle: When the staff disassembles and places the insulating sleeve 11;

[0096] First, the staff finds the sealing cylinder 41 installed at the bottom end of the insulating sleeve 11, and rotates the turning handle 45 to drive the guide plate 43 to rotate inside the sleeve plate 42. Through the connecting frame 44 installed at the connection of the two guide plates 43, multiple guide blocks 47 in the two sleeve plates 42 can be driven to slide inside the guide groove 49, so that the guide blocks 47 drive the installed sealing plates 46 to slide;

[0097] Then, through the movable block 48 installed at one end of the sealing plate 46 passing through the inside of the arc groove 410 and the connecting frame 44 passing through the inside of the through groove 411, multiple sealing plates 46 can be guided to slide out of the sealing cylinder 41 and form seals at the upper and lower ends of the installation end 14;

[0098] This step can seal the placed insulating sleeve 11 and prevent external moisture from entering the inside of the insulating sleeve 11 and affecting its service life.

[0099] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A carbon commutator for preventing the loosening of commutator segments, characterized in that, including; Main body component: The main body component includes an insulating sleeve (11) and a commutator piece body (12); The commutator piece body (12) is welded to the outer ring of the insulating sleeve (11); Installation component: The installation component includes an installation groove (21), an auxiliary block (22), an installation block (23) and a slot (24); The installation groove (21) is opened at the top of the insulating sleeve (11), the auxiliary block (22) is slidably connected to the inside of the installation groove (21), the installation block (23) is fixedly connected to the inner bottom wall of the top end of the commutator piece body (12), and the slot (24) is opened at the top end of the commutator piece body (12).

2. The carbon commutator for preventing the loosening of the commutator segment according to claim 1, wherein: The installation component further includes a bolt (25) and a rotating frame (26); The bolt (25) is threadedly connected to one end of the auxiliary block (22), and the rotating frame (26) is rotatably connected to the inside of the installation groove (21).

3. The carbon commutator for preventing the loosening of the commutator segment according to claim 2, wherein: The auxiliary block (22) is fixedly connected to the inner side of one end of the rotating frame (26), and the installation angle of the rotating frame (26) is forty-five degrees.

4. A carbon commutator for preventing the loosening of commutation plates, characterized in that: The main body component further includes a welding plate (13) and an installation end (14); The welding plate (13) is fixedly connected to the bottom end of the insulating sleeve (11), and the installation end (14) is fixedly connected to the upper and lower ends of the insulating sleeve (11).

5. A carbon commutator for preventing the loosening of a commutator segment, characterized in that: It further includes a connection component; The connection component includes a welding wire groove (31) and a connection block (32); The welding wire groove (31) is opened at the top of the welding plate (13) and the connection block (32) is fixedly connected to the bottom end of the commutator piece body (12).

6. The carbon commutator for preventing the loosening of the commutator segment according to claim 5, characterized in that: The connection component further includes a spring buckle (33) and a limiting hole (34); The spring buckle (33) is fixedly connected to the lower part of the inner wall of the commutator piece body (12), and the limiting hole (34) is opened on the outer wall of the insulating sleeve (11).

7. A carbon commutator for preventing the loosening of commutator segments, as claimed in claim 4, wherein: It further includes an auxiliary component; The auxiliary component includes a fixing groove (301), a connecting rod (302) and a rotating ring (303); The fixing groove (301) is opened at the bottom end of the welding plate (13), the rotating ring (303) is welded to the inside of the fixing groove (301), the connecting rod (302) is fixedly connected to one side of the rotating ring (303), and the rotating ring (303) is inserted into the inside of the connection block (32) through the welding wire groove (31).

8. A carbon commutator for preventing the loosening of a commutation piece according to claim 1, characterized in that: It further includes a sealing component; The sealing component includes two groups of sealing cylinders (41), a sleeve plate (42), a guiding plate (43), a connecting frame (44) and a rotating handle (45); The two groups of sealing cylinders (41) are respectively fixedly connected to one end of the installation end (14), the sleeve plate (42) is fixedly connected to the inside of the sealing cylinder (41), the guiding plate (43) is rotatably connected to the inside of the sleeve plate (42), the connecting frame (44) is fixedly connected to the top end of the guiding plate (43), and the rotating handle (45) is fixedly connected to the outside of the guiding plate (43).

9. The carbon commutator for preventing the loosening of the commutator segment according to claim 8, characterized in that: The sealing component further includes a sealing plate (46), a guiding block (47), a movable block (48), a guiding groove (49), an arc groove (410) and a through groove (411); The guiding block (47) is slidably connected to the inside of the guiding groove (49), the sealing plate (46) is fixedly connected to one end of the guiding block (47), the movable block (48) is fixedly connected to one side of the sealing plate (46), the guiding groove (49) is formed in one surface of the guiding disc (43), and the through groove (411) is formed in the inside of the insulating sleeve (11).

10. A carbon commutator for preventing the loosening of commutator segments according to claim 9, wherein: The arc groove (410) is formed in one surface of the sleeve disc (42), the movable block (48) penetrates through the inside of the arc groove (410), and the connecting frame (44) penetrates through the inside of the through groove (411).

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