A carbon brush structure for generator

Abstract

The utility model relates to the technical field of generators, and specifically to a carbon brush structure for a generator; the utility model comprises a carbon brush box, a carbon brush, an insert, a mounting piece and a fixing assembly, wherein the mounting piece is connected to the carbon brush box and is located in the carbon brush box, the carbon brush has a mounting groove, the insert is connected to the mounting piece, the fixing assembly comprises a limiting arc block, a holding spring, a guide arc block, a button and a holding block, the carbon brush also has a fixing hole, the button is movably connected to the carbon brush and passes through the fixing hole, the holding block is fixedly connected to the button and is located in the fixing hole, the insert has a groove, the limiting arc block is movably connected to the insert and is respectively matched with the fixing hole and the groove, the two ends of the holding spring are respectively fixedly connected to the limiting arc block and the insert and are located in the groove, the guide arc block is fixedly connected to the insert and is located at one end of the insert away from the mounting piece, and through the arrangement of the above structure, the carbon brush can be easily installed or replaced in the carbon brush box, and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of generators, in particular to a carbon brush structure for generators. Background Art

[0002] A carbon brush is a device that transfers energy or signals between the fixed part and the rotating part of an electric motor, generator or other rotating machinery. It is generally made of pure carbon and a coagulant. It is generally square in shape and stuck on a metal bracket. There is a spring inside to press it tightly against the shaft. When the motor rotates, the electric energy is transmitted to the coil through the commutator. Since its main component is carbon, it is called a carbon brush. However, carbon brushes are easy to wear and need to be regularly maintained and replaced, and carbon deposits need to be cleaned. The carbon brush structure mainly consists of a carbon brush, a carbon brush box and a spring. However, the existing carbon brush structure does not fix the carbon brush firmly enough, and the carbon brush is easy to completely detach from the carbon brush box, and the carbon brush is not easy to quickly disassemble and replace.

[0003] In the prior art patent CN216056719U discloses a new carbon brush structure for generator application, which is provided with a carbon brush, a carbon brush box, a mounting groove, an insert, a mounting plate, a waist-shaped hole, a fixing plate, a screw, a fixing hole, a plug, a nut and a spring. When the carbon brush is severely worn, the two nuts are removed to make them detach from the screw, and the fixing plate and the screw can be taken out from the carbon brush, so that the carbon brush is pulled out from the insert, and then a new carbon brush is fixed to the insert and the mounting plate through the fixing plate, two screws and two nuts, and the insert is inserted into the carbon brush over a large area, and the insert and the carbon brush are stably fixed, so that the carbon brush is fixed firmly enough to prevent the carbon brush from being easily detached from the carbon brush box, and to facilitate quick disassembly and replacement of the carbon brush.

[0004] However, in the above-mentioned prior art patents, the carbon brushes are fixedly installed in the carbon brush box by screws and nuts, and the installation and replacement of the carbon brushes still takes a lot of time and is inconvenient to operate. Utility Model Content

[0005] The utility model aims to provide a carbon brush structure for a generator, which solves the problem that the existing carbon brush is fixedly installed on a carbon brush box using a screw and a nut, and the installation and replacement of the carbon brush still takes a lot of time and is inconvenient to operate.

[0006] To achieve the above-mentioned purpose, the utility model adopts a carbon brush structure for a generator, including a carbon brush box, a carbon brush, an insert, a mounting piece and a fixing assembly, wherein the mounting piece is connected to the carbon brush box and is located in the carbon brush box, the carbon brush has a mounting groove, the insert is connected to the mounting piece and is matched with the mounting groove, the fixing assembly includes a limiting arc block, a holding spring, a guide arc block, a button and a holding block, the carbon brush also has a fixing hole, the button is movably connected to the carbon brush and passes through the fixing hole, the holding block is fixedly connected to the button and is located in the fixing hole, the insert has a groove, the limiting arc block is movably connected to the insert and is matched with the fixing hole and the groove respectively, the two ends of the holding spring are fixedly connected to the limiting arc block and the insert respectively and are located in the groove, the guide arc block is fixedly connected to the insert and is located at one end of the insert away from the mounting piece.

[0007] Wherein, the fixing assembly also includes two plug-in posts, the mounting member has two plug-in holes, the two plug-in posts are fixedly connected to the carbon brush and are both located on the outer side wall of the carbon brush, and each of the plug-in posts is respectively adapted to the corresponding plug-in hole.

[0008] Wherein, the fixing assembly further comprises a rubber pad, which is fixedly connected to the limiting arc block and is located on the outer side wall of the limiting arc block.

[0009] The carbon brush structure for the generator further includes a protection component, which is connected to the carbon brush box and is located outside the carbon brush box.

[0010] Wherein, the protective assembly includes two first clips, two second clips and a protective cover, the two first clips are fixedly connected to the carbon brush box and are located on the outer side wall of the carbon brush box, the two second clips are respectively adapted to the corresponding first clips, and the protective covers are fixedly connected to the two second clips and are located on the outside of the carbon brush box.

[0011] Wherein, the protection component also includes two pressing blocks, and the two pressing blocks are fixedly connected to the protection cover and are both located on the outer side wall of the protection cover.

[0012] The utility model discloses a carbon brush structure for a generator, when the carbon brush is fixedly installed in the carbon brush box, by inserting the carbon brush into the carbon brush box, the installation groove of the carbon brush approaches the plug-in piece of the installation member, the limiting arc block has an arc surface, and then the limiting arc block on the plug-in piece will be squeezed, and the limiting arc block will enter the groove of the plug-in piece to squeeze the supporting spring, and the supporting spring will be compressed in the groove and continue to push the carbon brush to move until the plug-in piece completely enters the installation groove, the supporting spring will stretch to restore the deformation and drive the limiting arc block to move. The arc block enters the fixing hole of the carbon brush, and the arc block pushes the supporting block in the fixing hole, and the supporting block drives the button to move outward, thereby completing the fixed installation of the carbon brush; when the carbon brush is to be removed, the button is pressed on the outside of the carbon brush, and the button drives the supporting block to push the arc block, and the arc block is pushed into the groove, and then the carbon brush is separated from the plug outward, so that the carbon brush is completely removed. Through the above method, the carbon brush can be quickly installed or replaced in the carbon brush box, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0015] Figure 2 It is a cross-sectional view of the overall internal structure of the first embodiment of the utility model.

[0016] Figure 3 It is a side view of the overall structure of the first embodiment of the utility model.

[0017] Figure 4 It is a side view of the overall structure of the second embodiment of the utility model.

[0018] Figure 5 The utility model Figure 4 A magnified view of the local structure at A.

[0019] 101-carbon brush box, 102-carbon brush, 103-insert, 104-mounting part, 105-limiting arc block, 106-holding spring, 107-guide arc block, 108-button, 109-holding block, 110-plug-in column, 111-rubber pad, 112-installing groove, 113-fixing hole, 114-groove, 115-plug-in hole, 201-first buckle, 202-second buckle, 203-protective cover, 204-pressing block. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] First embodiment

[0022] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic diagram of the overall structure of the first embodiment, Figure 2 is a cross-sectional view of the overall internal structure of the first embodiment, Figure 3 It is a side view of the overall structure of the first embodiment.

[0023] The utility model provides a structure of a carbon brush 102 for a generator, including a carbon brush box 101, a carbon brush 102, an insert 103, a mounting member 104 and a fixing assembly, wherein the fixing assembly includes a limit arc block 105, a holding spring 106, a guide arc block 107, a button 108, a holding block 109, two plug-in columns 110 and a rubber pad 111. The above solution solves the problem that the existing carbon brush is fixedly installed on the carbon brush box using a screw and a nut, and the installation and replacement of the carbon brush still takes a lot of time and is inconvenient to operate.

[0024] According to this specific embodiment, the mounting member 104 is connected to the carbon brush box 101 and is located inside the carbon brush box 101. The carbon brush 102 has a mounting groove 112. The insert 103 is connected to the mounting member 104 and is adapted to the mounting groove 112. The fixing frames on both sides of the carbon brush box 101 are used to connect to the equipment bracket. The carbon brush 102 is connected to the mounting member 104 in the carbon brush box 101, and the insert 103 on the mounting member 104 enters the mounting groove 112 of the carbon brush 102.

[0025] The carbon brush 102 also has a fixing hole 113, the button 108 is movably connected to the carbon brush 102 and passes through the fixing hole 113, the abutment block 109 is fixedly connected to the button 108 and is located in the fixing hole 113, the insert 103 has a groove 114, the limiting arc block 105 is movably connected to the insert 103 and is respectively adapted to the fixing hole 113 and the groove 114, and the two ends of the abutment spring 106 are respectively fixedly connected to the limiting arc block 105 and the insert 103 and are located in the In the groove 114, the guide arc block 107 is fixedly connected to the plug 103 and is located at one end of the plug 103 away from the mounting member 104. When the carbon brush 102 is fixedly installed in the carbon brush box 101, by inserting the carbon brush 102 into the carbon brush box 101, the mounting groove 112 of the carbon brush 102 approaches the plug 103 of the mounting member 104, and the limiting arc block 105 has a curved surface. Then, the limiting arc block 105 on the plug 103 will be squeezed, and the limiting arc block 105 will enter the The groove 114 of the insert 103 presses the resisting spring 106, and the resisting spring 106 is compressed in the groove 114, and continues to push the carbon brush 102 to move, until the insert 103 completely enters the installation groove 112, the resisting spring 106 stretches to restore the deformation, and drives the limiting arc block 105 to enter the fixing hole 113 of the carbon brush 102, and the limiting arc block 105 pushes the resisting block 109 in the fixing hole 113, and the resisting block 109 drives the button 108 to move outward, thereby The carbon brush 102 is fixedly installed; when the carbon brush 102 is to be disassembled, the button 108 is pressed on the outside of the carbon brush 102, and the button 108 drives the supporting block 109 to push the limiting arc block 105, and the limiting arc block 105 is pushed into the groove 114, and then the carbon brush 102 is separated from the plug 103 outward, so that the carbon brush 102 is completely disassembled. Through the above method, the carbon brush 102 can be quickly installed or replaced in the carbon brush box 101, and the operation is simple.

[0026] Secondly, the mounting member 104 has two plug-in holes 115, and the two plug-in posts 110 are fixedly connected to the carbon brush 102 and are located on the outer wall of the carbon brush 102, and each of the plug-in posts 110 is respectively matched with the corresponding plug-in hole 115. When the plug-in piece 103 on the mounting member 104 is inserted into the mounting groove 112 of the carbon brush 102, the two plug-in posts 110 on the outer side of the carbon brush 102 will respectively enter the plug-in hole 115 of the mounting member 104, which can further increase the stability of the installation of the carbon brush 102.

[0027] At the same time, the rubber pad 111 is fixedly connected to the limiting arc block 105 and is located on the outer side wall of the limiting arc block 105. By arranging the rubber pad 111 on the limiting arc block 105, the rubber pad 111 can increase the friction of the limiting arc block 105 in the fixing hole 113, so that the limiting arc block 105 is firmly fixed in the fixing hole 113.

[0028] When the carbon brush 102 is fixedly installed in the carbon brush box 101, the carbon brush 102 is inserted into the carbon brush box 101, and the installation groove 112 of the carbon brush 102 approaches the inserting piece 103 of the mounting member 104. The limiting arc block 105 has an arc surface, and then the limiting arc block 105 on the inserting piece 103 is squeezed, and the limiting arc block 105 enters the groove 114 of the inserting piece 103 to press against the supporting spring 104. 6 is squeezed, the holding spring 106 is compressed in the groove 114, and the carbon brush 102 is continuously pushed to move, and the two plug-in posts 110 on the carbon brush 102 respectively enter the plug-in holes 115 of the plug-in piece 103, until the plug-in piece 103 completely enters the installation groove 112, the holding spring 106 stretches to restore the deformation, and drives the limiting arc block 105 to enter the fixing hole 113 of the carbon brush 102, and the limiting arc block 105 pushes the abutting block 109 in the fixing hole 113, and the abutting block 109 drives the button 108 to move outward, so that the carbon brush 102 is fixedly installed; when the carbon brush 102 is to be removed, by pressing the button 108 on the outside of the carbon brush 102, the button 108 drives the abutting block 109 to push the limiting arc block 105, and the limiting arc block 105 will be pushed into the groove 114, and then the carbon brush 102 is separated from the insert 103 outward, so that the carbon brush 102 is completely removed; in addition, the rubber pad 111 is arranged on the limiting arc block 105, and the rubber pad 111 can increase the friction of the limiting arc block 105 in the fixing hole 113, so that the limiting arc block 105 is firmly fixed in the fixing hole 113. In the above manner, it is realized that the carbon brush 102 can be quickly installed or replaced in the carbon brush box 101, and the operation is simple.

[0029] Second embodiment

[0030] See also Figure 4 and Figure 5 ,in Figure 4 is a side view of the overall structure of the second embodiment, Figure 5 yes Figure 4 A magnified view of the local structure at A.

[0031] On the basis of the first embodiment, a carbon brush 102 structure for a generator of the utility model further includes a protection component, which includes two first buckles 201 , two second buckles 202 , a protection cover 203 and two pressing blocks 204 .

[0032] The protective component is connected to the carbon brush box 101 and is located outside the carbon brush box 101. By setting the protective component, the protective component can prevent the carbon brush 102 in the carbon brush box 101 from being exposed, thereby preventing the carbon brush 102 in the carbon brush box 101 from being damaged.

[0033] The two first buckles 201 are fixedly connected to the carbon brush box 101 and are located on the outer side wall of the carbon brush box 101. The two second buckles 202 are respectively matched with the corresponding first buckles 201. The protective cover 203 is fixedly connected to the two second buckles 202 and is located on the outer side of the carbon brush box 101. The protective cover 203 is made of rubber material. By inserting the first buckles 201 on both sides of the protective cover 203 into the two second buckles 202 on the outer side of the carbon brush box 101, each first buckle 201 will enter the second buckle 202 respectively. The buckle 202 is inside, so that the protective cover 203 is fixed on the outside of the carbon brush box 101. The fixed protective cover 203 can prevent the carbon brushes 102 in the carbon brush box 101 from being exposed, and prevent the carbon brushes 102 in the carbon brush box 101 from being damaged; when the protective cover 203 is separated from the outside of the carbon brush box 101, the two sides of the protective cover 203 are pressed by applying force, so that the protective cover 203 is deformed and drives the two first buckles 201 to separate from the second buckles 202 respectively, and then the protective cover 203 is separated from the carbon brush box 101.

[0034] The two pressing blocks 204 are fixedly connected to the protective cover 203 and are located on the outer wall of the protective cover 203. By arranging the pressing blocks 204 on the protective cover 203, it is convenient to drive the protective cover 203 to deform by pressing the two pressing blocks 204, so as to facilitate the first buckle 201 on both sides of the protective cover 203 to detach from the second buckle 202.

[0035] The protective cover 203 is made of rubber material. By inserting the first buckles 201 on both sides of the protective cover 203 into the two second buckles 202 on the outside of the carbon brush box 101 respectively, each of the first buckles 201 will enter the second buckles 202 respectively, so that the protective cover 203 is fixed on the outside of the carbon brush box 101. The fixed protective cover 203 can prevent the carbon brushes 102 in the carbon brush box 101 from being exposed, and prevent the carbon brushes 102 in the carbon brush box 101 from being damaged; when the protective cover 203 is separated from the outside of the carbon brush box 101, the pressing blocks 204 on both sides of the protective cover 203 are pressed by applying force, so that the protective cover 203 is deformed and drives the two first buckles 201 to separate from the second buckles 202 respectively, and then the protective cover 203 is separated from the carbon brush box 101.

[0036] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A carbon brush structure for a generator, comprising a carbon brush box, a carbon brush, an insert and a mounting member, wherein the mounting member is connected to the carbon brush box and is located in the carbon brush box, the carbon brush has a mounting groove, the insert is connected to the mounting member and is adapted to the mounting groove, and is characterized in that: It also includes a fixing component, which includes a limiting arc block, a holding spring, a guide arc block, a button and a holding block. The carbon brush also has a fixing hole. The button is movably connected to the carbon brush and passes through the fixing hole. The holding block is fixedly connected to the button and is located in the fixing hole. The plug has a groove. The limiting arc block is movably connected to the plug and is respectively adapted to the fixing hole and the groove. The two ends of the holding spring are respectively fixedly connected to the limiting arc block and the plug and are located in the groove. The guide arc block is fixedly connected to the plug and is located at one end of the plug away from the mounting member.

2. The carbon brush structure for a generator according to claim 1, characterized in that: The fixing assembly also includes two plug-in posts, and the mounting member has two plug-in holes. The two plug-in posts are fixedly connected to the carbon brush and are both located on the outer side wall of the carbon brush, and each of the plug-in posts is respectively matched with the corresponding plug-in hole.

3. The carbon brush structure for a generator according to claim 2, characterized in that: The fixing assembly also includes a rubber pad, which is fixedly connected to the limiting arc block and is located on the outer side wall of the limiting arc block.

4. The carbon brush structure for a generator according to claim 1, characterized in that: The carbon brush structure for the generator further includes a protection component, which is connected to the carbon brush box and is located outside the carbon brush box.

5. The carbon brush structure for a generator as claimed in claim 4, characterized in that: The protective assembly includes two first clips, two second clips and a protective cover. The two first clips are fixedly connected to the carbon brush box and are located on the outer side wall of the carbon brush box. The two second clips are respectively matched with the corresponding first clips. The protective covers are fixedly connected to the two second clips and are located on the outer side of the carbon brush box.

6. The carbon brush structure for a generator according to claim 5, characterized in that: The protection assembly also includes two pressing blocks, both of which are fixedly connected to the protection cover and are located on the outer side wall of the protection cover.

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