Motor brush holder with split shockproof structure

Abstract

The utility model relates to the technical field of motor brush carriers, and discloses a motor brush carrier with a split shockproof structure, which comprises an outer brush carrier and an inner brush carrier, the rear end of the inner brush carrier is fixedly connected with the center of the front end of the outer brush carrier, a powerful shockproof fixing assembly is arranged between the outer brush carrier and the inner brush carrier, the fixing assembly comprises a connecting seat, and the connecting seat is fixedly connected with the inner brush carrier. A plurality of sets of bottom plates are arranged at the front end of the outer brush frame in an attached mode. The motor brush holder with the split shockproof structure is provided with the clamping block, the rubber sleeve, the positioning sleeve, the clamping groove, the mounting column and the connecting seat, is simple in structure, can effectively improve the shock absorption performance of the motor brush holder, prevents the motor brush holder from shifting, ensures the stable rotation of a motor, and solves the problems that the interior of the motor brush holder is not provided with proper support, the motor runs at a high speed, and the service life of the motor is prolonged. And the motor is easy to lose stability, so that the equipment is damaged, and the performance and the service life of the motor are greatly influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of motor brush holders, in particular to a motor brush holder with a split shockproof structure. Background Art

[0002] The main function of the motor brush holder is to apply pressure to the carbon brushes that are in sliding contact with the commutator or slip ring surface through a spring, ensuring stable current conduction between the fixed body and the rotating body. It is crucial for the motor, not only involving the effective transmission of current, but also directly related to the performance and life of the motor. By adjusting the position of the carbon brushes in the brush box, the commutator or slip ring can be prevented from wearing due to too close or too far contact.

[0003] The current motor brush holder does not have proper internal support. When the motor runs at high speed, it is very easy to lose stability, which can cause damage to the equipment and have a significant impact on the performance and life of the motor itself.

[0004] Therefore, a new motor brush holder with a split shockproof structure is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a motor brush holder with a split shockproof structure to solve the problem in the above-mentioned background technology that the motor brush holder has no suitable support inside, the motor is very likely to lose stability when running at high speed, thereby causing damage to the equipment and having a significant impact on the performance and life of the motor itself.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a motor brush holder with a split shockproof structure, comprising an outer brush holder and an inner brush holder, wherein the rear end of the inner brush holder is fixedly connected to the center of the front end of the outer brush holder, and a strong shockproof fixing component is provided between the outer brush holder and the inner brush holder;

[0007] The fixing assembly includes a connecting seat, a plurality of bottom plates are fitted on the front end of the outer brush holder, the connecting seat is provided with multiple groups and fixedly connected to the front end of the bottom plate respectively, a mounting column is fixedly connected to one side of the front end of the connecting seat, a positioning sleeve is provided on the outer sleeve of the mounting column, a rubber sleeve is fixedly connected to the outer side of the positioning sleeve, the rubber sleeve is a double-layer structure with a card slot formed between the rubber sleeves, the front ends of both sides of the inner brush holder are fixedly connected to the second baffle, and the outer side of the second baffle is fixedly connected to a card block;

[0008] Preferably, the card block is plugged into the inside of the card slot, and through slots are provided in the inside of the inner brush holder and the inside of the outer brush holder.

[0009] Preferably, the front ends of both sides of the outer brush holder are fixedly connected with a first baffle, the inner sides of the first baffle and the inner sides of the second baffle are fixedly connected with supporting side plates, the first baffle and the second baffle are both arc-shaped, and the length of the first baffle is greater than the length of the second baffle.

[0010] Preferably, a groove is provided through the center of the first baffle, a wire feeder seat is provided through the interior of the groove, and the outer end of the wire feeder seat is plugged and connected to the inner wall of the groove.

[0011] Preferably, two groups of reinforcement blocks are fixedly connected to the outer side of the first baffle, and the two groups of reinforcement blocks are respectively located at the front end and the rear end of the outer side of the first baffle, and the rear end of the reinforcement blocks is concave inward.

[0012] Preferably, the top and bottom ends of the inner brush holder are fixedly connected to a brush box, the rear end of the brush box fits with the front end of the outer brush holder, both sides of the brush box are fixedly connected to auxiliary fixing frames, the front end of the auxiliary fixing frame is fixedly connected to a fixed base, the outer side of the fixed base is fixedly connected to the inner side of the connecting seat, a fastening bolt is provided inside the auxiliary fixing frame, and the rear end of the fastening bolt passes through the interior of the outer brush holder.

[0013] Preferably, the inner walls of the auxiliary fixing frame and the fixing base are spirally provided with internal threads, the external threads of the fastening bolts are matched with the internal threads, and the front end of the fastening bolts is fixedly connected with a knob.

[0014] Preferably, an inner groove is longitudinally formed at the outer end of the brush box, the inner groove extends inward, and a protective layer is fixedly connected to the inner wall of the inner groove.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the motor brush holder with a split shockproof structure not only realizes the shockproof and stable functions, realizes the protection function, but also realizes the split splicing function;

[0016] (1) A card block, a rubber sleeve, a positioning sleeve, a card slot, a mounting column and a connecting seat are provided, the positioning sleeve is sleeved on the outside of the mounting column, and plays a role in limiting and fixing the installation of the rubber sleeve. A card slot is formed between the rubber sleeves, and the card block is fixed in the corresponding card slot by plug-in connection, thereby increasing damping, consuming vibration energy through the deformation characteristics of the rubber sleeve itself, and achieving the purpose of shock absorption. The structure is simple, can effectively improve the shock absorption performance of the motor brush holder, prevent the motor brush holder from offset, and ensure the stable rotation of the motor. The first baffle and the second baffle cooperate with each other, which helps to disperse and absorb vibration and reduce the vibration energy directly transmitted to the motor brush holder;

[0017] (2) By providing a groove, a wire feed seat, a reinforcement block and a support side plate, the support side plate improves the fixation of the outer brush holder itself, provides a strong supporting force, and effectively prevents the first baffle and the second baffle from being recessed. At the same time, the reinforcement block enhances the firmness of the first baffle to avoid the first baffle being unable to withstand the reduced seismic effect. A groove is provided through the interior of the first baffle to facilitate the installation of the wire feed seat and strengthen the connection between the two;

[0018] (3) The fixed base, auxiliary fixing frame, brush box, inner groove, protective layer and fastening bolts are provided. The fixed base is placed on the front end of the outer brush frame. Multiple sets of fastening bolts are rotated and penetrated to fix the multiple sets of fixed bases in all directions. The fixed bases can be split and spliced ​​for use to optimize the flexibility of the structure. At the same time, the inner groove is used to facilitate positioning and protection. The protective layer provides strong protection to the surface of the inner groove to avoid damage caused by long-term friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0020] Figure 2 This is a schematic diagram of the bottom view of the connecting seat of the utility model;

[0021] Figure 3 This is a side structural diagram of the first baffle of the present invention;

[0022] Figure 4 This is a front view structural diagram of the inner brush holder of the present invention.

[0023] In the figure: 1. Outer brush holder; 2. Reinforcement block; 3. First baffle; 4. Connecting seat; 5. Mounting column; 6. Brush box; 7. Protective layer; 8. Fixed base; 9. Second baffle; 10. Support side plate; 11. Through groove; 12. Fastening bolt; 13. Inner groove; 14. Inner brush holder; 15. Positioning sleeve; 16. Card slot; 17. Bottom plate; 18. Auxiliary fixing frame; 19. Rubber sleeve; 20. Card block; 21. Groove; 22. Inlet seat. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-4The utility model provides an embodiment of a motor brush holder with a split shockproof structure, comprising an outer brush holder 1 and an inner brush holder 14, wherein the rear end of the inner brush holder 14 is fixedly connected to the center of the front end of the outer brush holder 1, and a strong shockproof fixing component is provided between the outer brush holder 1 and the inner brush holder 14;

[0026] The fixing assembly includes a connecting seat 4. The front end of the outer brush holder 1 is fitted with multiple groups of bottom plates 17. The connecting seat 4 is provided with multiple groups and is correspondingly fixedly connected to the front end of the bottom plate 17. One side of the front end of the connecting seat 4 is fixedly connected to a mounting column 5. The outer sleeve of the mounting column 5 is provided with a positioning sleeve 15. The outer portion of the positioning sleeve 15 is fixedly connected to a rubber sleeve 19. The rubber sleeve 19 has an upper and lower double-layer structure, and a card slot 16 is formed between the rubber sleeves 19. The front ends of both sides of the inner brush holder 14 are fixedly connected to the second baffle 9, and the outer side of the second baffle 9 is fixedly connected to a card block 20.

[0027] The card block 20 is plugged into the inside of the card slot 16, and a through slot 11 is formed through the inside of the inner brush holder 14 and the inside of the outer brush holder 1;

[0028] The front ends of both sides of the outer brush holder 1 are fixedly connected with a first baffle 3, and the inner sides of the first baffle 3 and the inner sides of the second baffle 9 are fixedly connected with a supporting side plate 10. The first baffle 3 and the second baffle 9 are both arc-shaped, and the length of the first baffle 3 is greater than the length of the second baffle 9;

[0029] Specifically, if Figure 1 and Figure 2 As shown, when in use, the rubber sleeve 19 is sleeved and installed on the outside of the positioning sleeve 15 and fixed on the surface of the mounting column 5. A card slot 16 is formed between the rubber sleeves 19, and the card block 20 is fixed in the corresponding card slot 16 by plug-in connection to increase damping and consume vibration energy through the deformation characteristics of the rubber sleeve 19 itself.

[0030] A groove 21 is formed through the center of the first baffle 3, and a wire feeder seat 22 is formed through the interior of the groove 21, and the outer end of the wire feeder seat 22 is plugged into the inner wall of the groove 21;

[0031] Two groups of reinforcement blocks 2 are fixedly connected to the outer side of the first baffle 3. The two groups of reinforcement blocks 2 are respectively located at the front end and the rear end of the outer side of the first baffle 3. The rear end of the reinforcement block 2 is concave inwards.

[0032] Specifically, if Figure 1 and Figure 3 As shown, when in use, the line feeder seat 22 passes through the interior of the first baffle 3 and is inserted and fixed in the groove 21, effectively preventing the first baffle 3 and the second baffle 9 from being recessed. At the same time, the reinforcement block 2 is used to enhance the firmness of the first baffle 3 to avoid the first baffle 3 being unable to withstand the reduced seismic effect, thereby facilitating the installation of the line feeder seat 22 and strengthening the connection force between the two.

[0033] The top and bottom ends of the inner brush holder 14 are fixedly connected to the brush box 6, the rear end of the brush box 6 is in contact with the front end of the outer brush holder 1, and the two sides of the brush box 6 are fixedly connected to the auxiliary fixing frame 18, the front end of the auxiliary fixing frame 18 is fixedly connected to the fixed base 8, the outer side of the fixed base 8 is fixedly connected to the inner side of the connecting seat 4, and the interior of the auxiliary fixing frame 18 is penetrated by a fastening bolt 12, and the rear end of the fastening bolt 12 passes through the interior of the outer brush holder 1;

[0034] The inner wall of the auxiliary fixing frame 18 and the fixing base 8 is spirally provided with an internal thread, which matches the internal thread of the outer thread of the fastening bolt 12, and the front end of the fastening bolt 12 is fixedly connected with a knob;

[0035] An inner groove 13 is longitudinally formed at the outer end of the brush box 6. The inner groove 13 extends inwardly. The inner wall of the inner groove 13 is fixedly connected to the protective layer 7.

[0036] Specifically, if Figure 1 and Figure 4 As shown, when in use, the auxiliary fixing frame 18 is placed in close contact with the front end of the outer brush holder 1, and the knobs are turned in sequence to drive the fastening bolts 12 to rotate through the interior of the fixed base 8, so that the auxiliary fixing frame 18 and the fixed base 8 are quickly spliced ​​and fixed.

[0037] Working principle: When the present invention is in use, the auxiliary fixing frame 18 is placed in close contact with the front end of the outer brush holder 1. After turning the knob in sequence, the fastening bolt 12 is driven to rotate and penetrate the interior of the fixed base 8, and the auxiliary fixing frame 18 and the fixed base 8 are quickly spliced ​​and fixed. The rubber sleeve 19 is sleeved and installed on the outside of the positioning sleeve 15 and fixed on the surface of the mounting column 5. A card slot 16 is formed between the rubber sleeves 19, and the card block 20 is fixed in the corresponding card slot 16 by means of plug-in connection to increase damping and consume vibration energy through the deformation characteristics of the rubber sleeve 19 itself.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A motor brush holder with a split shockproof structure, comprising an outer brush holder (1) and an inner brush holder (14), characterized in that: The rear end of the inner brush holder (14) is fixedly connected to the center of the front end of the outer brush holder (1), and a strong shockproof fixing component is provided between the outer brush holder (1) and the inner brush holder (14); The fixing assembly comprises a connecting seat (4), a front end of the outer brush holder (1) is fitted with a plurality of bottom plates (17), the connecting seat (4) is provided with a plurality of groups and fixedly connected to the front end of the bottom plate (17), a mounting column (5) is fixedly connected to one side of the front end of the connecting seat (4), a positioning sleeve (15) is provided on the outside of the mounting column (5), a rubber sleeve (19) is fixedly connected to the outside of the positioning sleeve (15), the rubber sleeve (19) is a double-layer structure, and a card slot (16) is formed between the rubber sleeves (19), the front ends of both sides of the inner brush holder (14) are fixedly connected to the second baffle (9), and the outer side of the second baffle (9) is fixedly connected to a card block (20).

2. The motor brush holder with a split shockproof structure according to claim 1, characterized in that: The card block (20) is plug-connected inside the card slot (16), and a through slot (11) is provided through the inside of the inner brush holder (14) and the inside of the outer brush holder (1).

3. The motor brush holder with a split shockproof structure according to claim 1, characterized in that: The front ends of both sides of the outer brush holder (1) are fixedly connected to first baffles (3); the inner sides of the first baffles (3) and the inner sides of the second baffles (9) are fixedly connected to supporting side plates (10); the first baffles (3) and the second baffles (9) are both arc-shaped, and the length of the first baffle (3) is greater than the length of the second baffle (9).

4. The motor brush holder with a split shockproof structure according to claim 3, characterized in that: A groove (21) is provided through the center of the first baffle (3), a line feeder seat (22) is provided through the interior of the groove (21), and the outer end of the line feeder seat (22) is plugged into the inner wall of the groove (21).

5. The motor brush holder with a split shockproof structure according to claim 3, characterized in that: Two groups of reinforcement blocks (2) are fixedly connected to the outer side of the first baffle (3), and the two groups of reinforcement blocks (2) are respectively located at the front end and the rear end of the outer side of the first baffle (3), and the rear end of the reinforcement block (2) is concave inward.

6. The motor brush holder with a split shockproof structure according to claim 1, characterized in that: The top and bottom ends of the inner brush holder (14) are fixedly connected to a brush box (6), the rear end of the brush box (6) is fitted with the front end of the outer brush holder (1), and auxiliary fixing frames (18) are fixedly connected to both sides of the brush box (6), the front end of the auxiliary fixing frame (18) is fixedly connected to a fixed base (8), the outer side of the fixed base (8) is fixedly connected to the inner side of the connecting seat (4), and a fastening bolt (12) is provided inside the auxiliary fixing frame (18), and the rear end of the fastening bolt (12) passes through the interior of the outer brush holder (1).

7. The motor brush holder with a split shockproof structure according to claim 6, characterized in that: The inner walls of the auxiliary fixing frame (18) and the fixing base (8) are spirally provided with internal threads, and the external threads of the fastening bolt (12) are consistent with the internal threads, and the front end of the fastening bolt (12) is fixedly connected with a knob.

8. The motor brush holder with a split shockproof structure according to claim 6, characterized in that: An inner groove (13) is longitudinally formed at the outer end of the brush box (6), the inner groove (13) extends inward, and a protective layer (7) is fixedly connected to the inner wall of the inner groove (13).

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