Brush holder assembly with quick replacement structure

Abstract

The utility model discloses a brush carrier assembly with a quick replacement structure, which comprises a brush carrier mounting plate, mounting holes are formed in four corners of an inner cavity of the brush carrier mounting plate, and first shells are fixedly connected to four corners of the front surface of the brush carrier mounting plate. A handle is pulled, the handle moves to drive a pull plate and a pull rod to move, the pull rod moves to drive a movable plate to move, the movable plate moves to drive a guide sleeve to slide on the surface of a guide column, the guide sleeve moves to extrude a second abutting spring, the movable plate moves to drive a clamping block to leave an inner cavity of a clamping groove, and then a second shell and a carbon brush block are taken down. A new group of second shell and carbon brush block is inserted into the inner cavity of the first shell, the handle is loosened, the guide sleeve, the movable plate, the pull rod, the pull plate, the handle and the clamping block are reset through the elastic force of the second abutting spring, the clamping block is reset and clamped into the inner cavity of the clamping groove, and the second shell and the carbon brush block can be rapidly replaced; and the advantage of conveniently and quickly replacing the carbon brush is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of brush holder assemblies, in particular to a brush holder assembly with a quick replacement structure. Background Art

[0002] The function of the carbon 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, so that it can stably conduct current between the fixed body and the rotating body. For the motor, the brush holder and carbon brushes are both very important components.

[0003] The existing brush holder assembly does not have a quick replacement function, resulting in the brush holder assembly needing to be replaced after the carbon brushes are consumed after long-term use. The existing carbon brushes are fixed by screws, which makes the replacement of the carbon brushes cumbersome and inconvenient. Utility Model Content

[0004] The purpose of the present utility model is to provide a brush holder assembly with a quick-replacement structure, which has the advantage of facilitating quick replacement of carbon brushes, and solves the problem that the existing brush holder assembly does not have the quick-replacement function, resulting in the brush holder assembly needing to be replaced after the carbon brushes are consumed after long-term use, and the existing carbon brushes are fixed by screws, which makes the replacement of the carbon brushes cumbersome and inconvenient.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a brush holder assembly with a quick-replacement structure, comprising a brush holder mounting plate, the four corners of the inner cavity of the brush holder mounting plate are provided with mounting holes, the four corners of the front of the brush holder mounting plate are fixedly connected to the first shell, both sides of the inner wall of the first shell are fixedly connected to support limit plates, a second shell is placed on the inner side of the support limit plate, the inner wall of the second shell is fixedly connected to a terminal block, the inner side of the terminal block is fixedly connected to a first clamping spring, the inner end of the first clamping spring is fixedly connected to a carbon brush block, the outer end of the terminal block passes through the outside of the second shell and is plugged into a socket, the outer side of the socket is fixedly connected to a connecting wire, card slots are provided at the top and bottom of both sides of the second shell, and clamping assemblies are provided on both sides of the first shell.

[0006] As a preferred solution, the clamping assembly includes a box body, the inner side of the box body is fixedly connected to the outer side of the first shell, a guide column is fixedly connected to the center of one side of the inner wall of the box body, the surface of the guide column is slidably connected to a guide sleeve, the surface of the guide column is sleeved with a second clamping spring, the top and bottom of the guide sleeve are fixedly connected to a movable plate, the outer side of the movable plate is fixedly connected to a pull rod, the outer end of the pull rod passes through the outside of the box body and is fixedly connected to the pull plate, the outer side of the pull plate is fixedly connected to a handle, the inner side of the movable plate is fixedly connected to a card block, and the inner end of the card block passes through the inner cavity of the card slot.

[0007] As a preferred solution, guide grooves are provided on the top and bottom of the inner wall of the box, and guide blocks are slidably connected to the inner cavity of the guide grooves, and the inner side of the guide blocks is fixedly connected to the surface of the movable plate.

[0008] As a preferred solution, first through grooves are provided on the top and bottom of both sides of the first shell, second through grooves are provided on the top and bottom of the inner side of the box body, and the inner cavities of the first through groove and the second through groove are slidably connected to the surface of the block.

[0009] As a preferred solution, a third through-groove is provided on both the top and the bottom of the outer side of the box body, and the diameter of the inner cavity of the third through-groove is larger than the diameter of the pull rod.

[0010] As a preferred solution, the inner end of the second pressing spring is fixedly connected to the surface of the guide sleeve, and the outer end of the second pressing spring is fixedly connected to the inner wall of the box.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] The utility model pulls the handle, the handle moves to drive the pull plate and the pull rod to move, the pull rod moves to drive the moving plate to move, the moving plate moves to drive the guide sleeve to slide on the surface of the guide column, the guide sleeve moves to be squeezed toward the second clamping spring, the moving plate moves to drive the card block to leave the inner cavity of the card slot, and then the second shell and the carbon brush block are removed, and a new set of second shell and carbon brush block are inserted into the inner cavity of the first shell, and the handle is released. The elastic force of the second clamping spring resets the guide sleeve, the moving plate, the pull rod, the pull plate, the handle and the card block, and the card block is reset and clamped into the inner cavity of the card slot, so that the second shell and the carbon brush block can be quickly replaced, thereby achieving the advantage of convenient and quick replacement of the carbon brushes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is an enlarged cross-sectional view of the internal structure of the first shell of the present invention;

[0015] Figure 3 This is an enlarged cross-sectional view of the three-dimensional structure of the clamping assembly of the present invention;

[0016] Figure 4 This is an enlarged front view of the structural section of the clamping assembly of the present invention.

[0017] In the figure: 1. Brush holder mounting plate; 2. Mounting hole; 3. First shell; 4. Support limit plate; 5. Second shell; 6. Terminal block; 7. First clamping spring; 8. Carbon brush block; 9. Socket; 10. Connecting wire; 11. Card slot; 12. Clamping assembly; 121. Box; 122. Guide column; 123. Guide sleeve; 124. Second clamping spring; 125. Moving plate; 126. Pull rod; 127. Pull plate; 128. Handle; 129. Card block; 1210. Guide groove; 1211. Guide block. DETAILED DESCRIPTION

[0018] 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.

[0019] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example

[0020] See also Figures 1-4 As shown, the utility model provides a brush holder assembly with a quick-replacement structure, including a brush holder mounting plate 1, the four corners of the inner cavity of the brush holder mounting plate 1 are provided with mounting holes 2, the four corners of the front of the brush holder mounting plate 1 are fixedly connected to the first shell 3, the two sides of the inner wall of the first shell 3 are fixedly connected with support limit plates 4, the inner side of the support limit plate 4 is placed with a second shell 5, the inner wall of the second shell 5 is fixedly connected with a terminal block 6, the inner side of the terminal block 6 is fixedly connected with a first clamping spring 7, the inner end of the first clamping spring 7 is fixedly connected to a carbon brush block 8, the outer end of the terminal block 6 passes through the outside of the second shell 5 and is plugged with a socket 9, the outer side of the socket 9 is fixedly connected with a connecting line 10, the top and bottom of both sides of the second shell 5 are provided with card slots 11, and both sides of the first shell 3 are provided with clamping assemblies 12.

[0021] Through the above technical solution, by providing the clamping groove 11 and the clamping assembly 12, the second housing 5 and the carbon brush block 8 can be conveniently clamped and installed and quickly disassembled and replaced. Example

[0022] On the basis of embodiment 1, the present invention is as follows Figures 1-4As shown, the clamping assembly 12 is disclosed to include a box body 121, the inner side of the box body 121 is fixedly connected to the outer side of the first shell 3, a guide column 122 is fixedly connected at the center of one side of the inner wall of the box body 121, the surface of the guide column 122 is slidably connected to a guide sleeve 123, the surface of the guide column 122 is sleeved with a second clamping spring 124, the top and bottom of the guide sleeve 123 are fixedly connected to a movable plate 125, the outer side of the movable plate 125 is fixedly connected to a pull rod 126, the outer end of the pull rod 126 passes through the outside of the box body 121 and is fixedly connected to a pull plate 127, the outer side of the pull plate 127 is fixedly connected to a handle 128, the inner side of the movable plate 125 is fixedly connected to a clamping block 129, and the inner end of the clamping block 129 passes through the inner cavity of the card slot 11.

[0023] Through the above technical solution, guide grooves 1210 are provided on the top and bottom of the inner wall of the box body 121, and the inner cavity of the guide groove 1210 is slidably connected with a guide block 1211. The inner side of the guide block 1211 is fixedly connected to the surface of the movable plate 125. A first through-groove is provided on the top and bottom of both sides of the first shell 3, a second through-groove is provided on the top and bottom of the inner side of the box body 121, and the inner cavity of the first through-groove and the second through-groove is slidably connected to the surface of the block 129, a third through-groove is provided on the top and bottom of the outer side of the box body 121, and the diameter of the inner cavity of the third through-groove is larger than the diameter of the pull rod 126, and the third through-groove is provided. The inner ends of the two clamping springs 124 are fixedly connected to the surface of the guide sleeve 123, and the outer ends of the second clamping spring 124 are fixedly connected to the inner wall of the box body 121. By setting the guide groove 1210 and the guide block 1211, the movable plate 125 is stabilized during movement, and the stability of the movable plate 125 during movement is increased. By setting the first through groove and the second through groove, the block 129 is facilitated to move. By setting the third through groove, the pull rod 126 is facilitated to move. By setting the second clamping spring 124, the guide sleeve 123 is tightened by elastic force and is convenient for elastic resetting.

[0024] The working principle of the present invention is as follows: when replacing the second housing 5 and the carbon brush block 8, first pull the socket 9 away from the terminal block 6, then pull the handle 128, the handle 128 moves to drive the pull plate 127 and the pull rod 126 to move, the pull rod 126 moves to drive the movable plate 125 to move, the movable plate 125 moves to drive the guide sleeve 123 to slide on the surface of the guide column 122, the guide sleeve 123 moves to squeeze the second holding spring 124, and the movable plate 125 moves to drive the card block 129 to leave the card slot 11 , and then remove the second shell 5 and the carbon brush block 8, insert a new set of second shells 5 and carbon brush block 8 into the inner cavity of the first shell 3, release the handle 128, and reset the guide sleeve 123, movable plate 125, pull rod 126, pull plate 127, handle 128 and block 129 through the elastic force of the second clamping spring 124. The block 129 is reset and snapped into the inner cavity of the card slot 11, so that the second shell 5 and the carbon brush block 8 can be quickly replaced, thereby achieving the advantage of convenient and quick replacement of the carbon brushes.

[0025] It is important to note that the configuration and arrangement of the present application, as shown in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure will readily appreciate that numerous modifications are possible (e.g., variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures described herein that perform the function described, and not only structural equivalence but also equivalent structures. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0026] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A brush holder assembly with a quick-change structure, comprising a brush holder mounting plate (1), characterized in that: The four corners of the inner cavity of the brush holder mounting plate (1) are provided with mounting holes (2), the four corners of the front of the brush holder mounting plate (1) are fixedly connected to the first shell (3), the two sides of the inner wall of the first shell (3) are fixedly connected to the support limit plate (4), the inner side of the support limit plate (4) is placed with the second shell (5), the inner wall of the second shell (5) is fixedly connected to the terminal block (6), the inner side of the terminal block (6) is fixedly connected to the first clamping spring (7), the inner end of the first clamping spring (7) is fixedly connected to the carbon brush block (8), the outer end of the terminal block (6) passes through the outside of the second shell (5) and is plugged with a socket (9), the outer side of the socket (9) is fixedly connected to a connecting wire (10), the top and bottom of both sides of the second shell (5) are provided with a card slot (11), and both sides of the first shell (3) are provided with a clamping assembly (12).

2. The brush holder assembly with a quick-change structure according to claim 1, characterized in that: The clamping assembly (12) includes a box body (121), the inner side of the box body (121) is fixedly connected to the outer side of the first shell (3), a guide column (122) is fixedly connected to the center of one side of the inner wall of the box body (121), the surface of the guide column (122) is slidably connected to the guide sleeve (123), the surface of the guide column (122) is sleeved with a second clamping spring (124), the top and bottom of the guide sleeve (123) are fixedly connected to a movable plate (125), the outer side of the movable plate (125) is fixedly connected to a pull rod (126), the outer end of the pull rod (126) passes through the outside of the box body (121) and is fixedly connected to a pull plate (127), the outer side of the pull plate (127) is fixedly connected to a handle (128), the inner side of the movable plate (125) is fixedly connected to a clamping block (129), and the inner end of the clamping block (129) passes through the inner cavity of the clamping slot (11).

3. The brush holder assembly with a quick-change structure according to claim 2, characterized in that: The top and bottom of the inner wall of the box body (121) are both provided with guide grooves (1210), the inner cavity of the guide groove (1210) is slidably connected to a guide block (1211), and the inner side of the guide block (1211) is fixedly connected to the surface of the movable plate (125).

4. The brush holder assembly with a quick-change structure according to claim 2, characterized in that: A first through-groove is provided at the top and bottom of both sides of the first shell (3), a second through-groove is provided at the top and bottom of the inner side of the box body (121), and the inner cavities of the first through-groove and the second through-groove are slidably connected to the surface of the block (129).

5. The brush holder assembly with a quick-change structure according to claim 2, characterized in that: A third through-groove is provided on the top and bottom of the outer side of the box body (121), and the diameter of the inner cavity of the third through-groove is greater than the diameter of the pull rod (126).

6. The brush holder assembly with a quick-change structure according to claim 2, characterized in that: The inner end of the second pressing spring (124) is fixedly connected to the surface of the guide sleeve (123), and the outer end of the second pressing spring (124) is fixedly connected to the inner wall of the box body (121).

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