Integral alternating-current generator carbon brush sealing structure

Through the design of the carbon brush seal structure of the integrated alternator, the sliding connection and damping spring of the sealing cylinder and the installation module are used, combined with the draw rope and the clamping system, the problem of inconvenient replacement of the existing carbon brush seal structure is solved, and the rapid development of the Disassembly and installation operations improve replacement speed.

CN222168897UActive Publication Date: 2024-12-13CHANGSHA DADAO JINGGONG TECH CO LTD
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Patent Information

Application Number
CN202420822138.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2024-12-13
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

The existing generator carbon brush seal structure is inconvenient to replace, and the new carbon brush needs to be removed and installed before the bolt is fixed, which is cumbersome.

Method used

An integral alternator carbon brush sealing structure is designed, using a closed cylinder and installation module. Through sliding connection and damping spring, combined with a drawstring and clamping system, the carbon brush is quickly disassembled and installed, simplifying the operation process.

Benefits of technology

By pulling the pulling ring and the pulling rope, the limit block rotates ninety degrees, the block enters the slot, unblocks, and quickly removes the carbon brush. The disassembly and installation operations become quick, which improves the replacement speed.

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Abstract

The utility model discloses an integral AC generator carbon brush sealing structure, which relates to the technical field of generators, and comprises a closed cylinder in threaded connection with a generator shell through a bolt, and an installation module, the side wall of the closed cylinder is provided with a closed block groove, the inner side wall of the closed cylinder is in sliding connection with a carbon brush, and the carbon brush is in threaded connection with the installation module. A sealing block is slidably connected to the inner side wall of the sealing block groove, a damping spring is arranged between the carbon brush and the sealing block, a wire is arranged on the side wall, close to the sealing block, of the carbon brush, the wire is slidably connected with the sealing block in a penetrating mode, a metal folded plate is arranged at the end, away from the carbon brush, of the wire, and the installation module is arranged in the sealing block. The device is used for quickly replacing the carbon brush. According to the utility model, through the mounting module, the operation of dismounting and mounting the carbon brush is faster and more convenient, and the speed of replacing the carbon brush is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of generators, in particular to an integral AC generator carbon brush sealing structure. Background Art

[0002] Carbon brushes, also called electric brushes, are widely used as sliding contacts in many electrical devices. Carbon brushes are devices that transfer energy or signals between the fixed and rotating parts of motors, generators or other rotating machinery.

[0003] The existing generator carbon brush is provided with a sealing structure, but the generator carbon brush will wear out. When the generator carbon brush needs to be replaced, the bolts on the seal must be released before the carbon brush can be taken out for replacement. After the replacement, the seal must be installed back with the bolts, which is cumbersome and inconvenient.

[0004] Based on this, an integrated AC generator carbon brush sealing structure is now provided, which can eliminate the disadvantages of the existing device. Utility Model Content

[0005] The utility model aims to provide an integrated AC generator carbon brush sealing structure to solve the problem that the existing carbon brush sealing member is inconvenient to replace the carbon brush.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An integral AC generator carbon brush sealing structure comprises a closing cylinder, which is threadedly connected to a generator shell by bolts, and also comprises an installation module, a closing block groove is provided on the side wall of the closing cylinder, a carbon brush is slidably connected to the inner wall of the closing cylinder, a closing block is slidably connected to the inner wall of the closing block groove, a damping spring is arranged between the carbon brush and the closing block, a wire is arranged on the side wall of the carbon brush close to the closing block, the wire penetrates and is slidably connected to the closing block, a metal folding plate is arranged on the end of the wire away from the carbon brush, and the installation module is arranged in the closing block for quickly completing the replacement of the carbon brush.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the installation module includes a card block, and the closing block has two card block grooves on opposite side walls, the inner walls of the two card block grooves are slidably connected with card blocks, a damping spring is fixedly connected between the card block and the inner wall of the card block groove, and the inner wall of the closing block groove has two grooves corresponding to the card block, and the card block is engaged with the grooves.

[0010] In an optional solution: the side wall of the block is provided with a chamfer.

[0011] In an optional solution: a side wall of the clamping block located in the clamping block groove is provided with a protrusion.

[0012] In an optional scheme: the side wall of the closing block located outside the closing cylinder is fixedly connected to a fixed block, and a pull rope cavity is provided in the closing block and the fixed block. A limiting block groove is provided on the side wall of the fixed block away from the closing block, and the side wall inside the limiting block groove is slidably connected to the limiting block, and the side wall of the limiting block away from the fixed block is fixedly connected to a pull ring, the clamping block groove is connected to the limiting block groove through the pull rope cavity, and the side wall of the clamping block close to the damping spring is fixedly connected to a pull rope, and the pull rope extends through the pull rope cavity to the limiting block groove and is fixedly connected to the limit block.

[0013] In an optional solution: the limiting block is a cuboid.

[0014] In an optional solution: the pull ring is engraved with anti-slip patterns.

[0015] In an optional solution: two fixed pulleys are rotatably connected in the rope cavity through a pin shaft, and the two ropes pass around the two fixed pulleys respectively.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model pulls the pull ring to pull the limit block out of the limit block groove and rotates it ninety degrees. Since the limit block is a rectangular parallelepiped, it can be stuck outside the limit block groove after rotating ninety degrees. The limit block pulls the pull rope, and the pull rope pulls the clamping block into the clamping block groove to release the clamping connection with the groove, and then the carbon brush can be taken out from the closed cylinder. The disassembly operation is quick and convenient, and the speed of replacing the carbon brush is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 This is a first viewing angle diagram of the present invention.

[0020] Figure 3 This is a second viewing angle diagram of the present invention.

[0021] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0022] Figure 5 For the utility model Figure 4 Enlarged view of point A in the middle.

[0023] Notes on figure numbers: 1 closing cylinder, 2 closing block, 3 fixing block, 4 limiting block, 5 pull ring, 6 closing block groove, 7 carbon brush, 8 conducting wire, 9 metal folding plate, 10 clamping block, 11 clamping block groove, 12 pull rope, 13 fixed pulley, 14 pull rope cavity. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] Example 1

[0026] In one embodiment, Figure 1-Figure 5 As shown, an integral AC generator carbon brush sealing structure includes a sealing cylinder 1, which is threadedly connected to the generator shell by bolts, and also includes an installation module. The side wall of the sealing cylinder 1 is provided with a sealing block groove 6, the inner side wall of the sealing cylinder 1 is slidably connected with a carbon brush 7, the inner side wall of the sealing block groove 6 is slidably connected with a sealing block 2, a damping spring is arranged between the carbon brush 7 and the sealing block 2, a wire 8 is arranged on the side wall of the carbon brush 7 close to the sealing block 2, the wire 8 penetrates and slides with the sealing block 2, a metal folding plate 9 is arranged at the end of the wire 8 away from the carbon brush 7, and the installation module is arranged in the sealing block 2 for quickly completing the replacement of the carbon brush 7. The damping spring is used to keep the carbon brush 7 and the carbon brush slip ring in abutment state.

[0027] In one embodiment, Figure 2 As shown, the installation module includes a clamping block 10, and two clamping block grooves 11 are provided on the opposite side walls of the closing block 2. The inner walls of the two clamping block grooves 11 are both slidably connected with the clamping blocks 10, and a damping spring is fixedly connected between the clamping block 10 and the inner wall of the clamping block groove 11. The inner wall of the closing block groove 6 is provided with two grooves corresponding to the clamping block 10, and the clamping block 10 is clamped with the groove. The closing block 2 can be pushed into the closing block groove 6, and the clamping block 10 cooperates with the damping spring to clamp the clamping block 10 with the groove in the closing block groove 6 to complete the fixing operation, and the installation operation is quick and convenient.

[0028] In one embodiment, Figure 2 and Figure 3 As shown, the side wall of the clamping block 10 is provided with a chamfer. The clamping block 10 is provided with a chamfer, so that the clamping of the clamping block 10 is smoother.

[0029] In one embodiment, Figure 1 As shown, a protrusion is provided on the side wall of the block 10 located in the block groove 11. The block 10 is limited to prevent the block 10 from being pushed out of the block groove 11 by the damping spring.

[0030] In one embodiment, Figure 1As shown, the side wall of the closing block 2 outside the closing cylinder 1 is fixedly connected with a fixed block 3, and a draw rope cavity 14 is provided in both the closing block 2 and the fixed block 3. A limit block groove is provided on the side wall of the fixed block 3 away from the closing block 2, and the side wall inside the limit block groove is slidably connected to the limit block 4, and a pull ring 5 is fixedly connected to the side wall of the limit block 4 away from the fixed block 3. The clamping block groove 11 is connected with the limit block groove through the draw rope cavity 14, and the side wall of the clamping block 10 close to the damping spring is fixedly connected with a draw rope 12, and the draw rope 12 extends through the draw rope cavity 14 to the limit block groove and is fixedly connected to the limit block 4. When the carbon brush 7 needs to be disassembled for replacement, pull the draw ring 5, pull the limit block 4 out of the limit block groove, rotate ninety degrees, the limit block 4 pulls the draw rope 12, and the draw rope 12 pulls the clamping block 10 into the clamping block groove 11, releases the clamping connection with the groove, and then takes the carbon brush 7 out of the closing cylinder 1, and the disassembly operation is quick and convenient.

[0031] Example 2

[0032] In one embodiment, Figure 2 and Figure 3 As shown, the limit block 4 is a rectangular parallelepiped. Since the limit block 4 is a rectangular parallelepiped, it can be stuck outside the limit block slot after rotating ninety degrees.

[0033] In one embodiment, Figure 1 As shown, the pull ring 5 is engraved with anti-skid lines to increase the friction with the hand and prevent slipping.

[0034] In one embodiment, Figure 1 and Figure 4 As shown, two fixed pulleys 13 are rotatably connected in the rope chamber 14 through a pin shaft, and the two ropes 12 respectively pass around the two fixed pulleys 13. The fixed pulleys 13 change the direction of the rope force.

[0035] The above embodiment discloses an integral AC generator carbon brush sealing structure. When the carbon brush 7 needs to be disassembled for replacement, the pull ring 5 is pulled to pull the limit block 4 out of the limit block groove and rotate it ninety degrees. Since the limit block 4 is a rectangular parallelepiped, it can be stuck outside the limit block groove after rotating ninety degrees. The limit block 4 pulls the pull rope 12, and the pull rope 12 pulls the clamping block 10 into the clamping block groove 11 to release the clamping connection with the groove, and then the carbon brush 7 can be taken out from the closing tube 1. The disassembly operation is quick and convenient, which improves the speed of replacing the carbon brush 7. When it needs to be installed back after replacement, the closing block 2 can be pushed into the closing block groove 6. The clamping block 10 cooperates with the damping spring to clamp the clamping block 10 with the groove in the closing block groove 6 to complete the fixing operation. The installation operation is quick and convenient, and the clamping block 10 is provided with a chamfer, which makes the clamping of the clamping block 10 smoother.

[0036] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An integrated AC generator carbon brush sealing structure, comprising a sealing cylinder (1), wherein the sealing cylinder (1) is threadedly connected to a generator housing via bolts, and characterized in that: It also includes an installation module, wherein the side wall of the closing cylinder (1) is provided with a closing block groove (6), the inner side wall of the closing cylinder (1) is slidably connected to a carbon brush (7), the inner side wall of the closing block groove (6) is slidably connected to a closing block (2), a damping spring is arranged between the carbon brush (7) and the closing block (2), a wire (8) is arranged on the side wall of the carbon brush (7) close to the closing block (2), the wire (8) is slidably connected to the closing block (2), a metal folding plate (9) is arranged at one end of the wire (8) away from the carbon brush (7), and the installation module is arranged in the closing block (2) for quickly completing the replacement of the carbon brush (7).

2. The integrated AC generator carbon brush sealing structure according to claim 1, characterized in that: The mounting module comprises a clamping block (10), two clamping block grooves (11) are provided on opposite side walls of the closing block (2), the inner walls of the two clamping block grooves (11) are both slidably connected with the clamping block (10), a damping spring is fixedly connected between the clamping block (10) and the inner wall of the clamping block groove (11), and two grooves corresponding to the clamping block (10) are provided on the inner wall of the closing block groove (6), and the clamping block (10) is clamped with the grooves.

3. The integrated AC generator carbon brush sealing structure according to claim 2, characterized in that: The side wall of the block (10) is provided with a chamfer.

4. The integrated AC generator carbon brush sealing structure according to claim 3, characterized in that: A protrusion is provided on the side wall of the clamping block (10) located in the clamping block groove (11).

5. The integrated AC generator carbon brush sealing structure according to claim 4, characterized in that: The side wall of the closing block (2) located outside the closing cylinder (1) is fixedly connected to a fixing block (3); a rope draw cavity (14) is provided in both the closing block (2) and the fixing block (3); a limit block groove is provided on the side wall of the fixing block (3) away from the closing block (2); the side wall inside the limit block groove is slidably connected to the limit block (4); the side wall of the limit block (4) away from the fixing block (3) is fixedly connected to a pull ring (5); the clamping block groove (11) is connected to the limit block groove through the rope draw cavity (14); the side wall of the clamping block (10) close to the damping spring is fixedly connected to a rope draw cord (12); the rope draw cord (12) passes through the rope draw cavity (14) and extends into the limit block groove to be fixedly connected to the limit block (4).

6. The integrated AC generator carbon brush sealing structure according to claim 5, characterized in that: The limiting block (4) is a rectangular parallelepiped.

7. The integrated AC generator carbon brush sealing structure according to claim 6, characterized in that: The pull ring (5) is engraved with anti-slip patterns.

8. The integrated AC generator carbon brush sealing structure according to claim 7, characterized in that: Two fixed pulleys (13) are rotatably connected in the rope-pulling cavity (14) via a pin shaft, and the two ropes (12) pass around the two fixed pulleys (13) respectively.