CN212784991U - Interchangeable connector brush carrier subassembly and have its brush motor - Google Patents

Abstract

The utility model relates to an interchangeable connector brush carrier component and a brush motor with the same, which comprises a carbon brush carrier for accommodating a commutator and a wire connector for connecting with an external circuit; the wire connector is detachably clamped with the carbon brush holder, and an electric connection terminal on the wire connector is connected with a circuit on the carbon brush holder. Traditional scheme all uses the integral type structure with plug and carbon brush frame, is unfavorable for the development of platform spare. If other new application projects exist but the fine structure changes, the whole carbon brush holder needs to be opened again, and the cost is high. This scheme is through dividing into two independent parts with connector and carbon brush frame to the connector can be together fixed through the joint with carbon brush frame, and when its joint was in the same place, the circuit connection on the electric connection terminal on the connector and the carbon brush frame made connector and carbon brush frame can carry out the transmission of electric energy. The connector and the carbon brush holder can be respectively opened, so that the cost of the mold is greatly reduced.

Description

Interchangeable connector brush carrier subassembly and have its brush motor

Technical Field

The utility model relates to a there is brush motor field, especially relates to an interchangeable connector brush carrier subassembly and have its brush motor.

Background

A carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a carbon brush holder, and is internally provided with a spring which pushes the carbon brush to enable the carbon brush to be tightly pressed on a rotating shaft. The carbon brush is a little like a rubber strip for wiping a pencil, and a lead is led out from the top of the carbon brush. The volume is large or small. Carbon brushes are widely used as a sliding contact in many electrical devices. The product material mainly comprises electrochemical graphite, impregnated graphite and metal (copper-containing and silver-containing) graphite.

At present, in the application of a large number of motors on the market in a carbon brush holder, the plug and the carbon brush holder are all of an integrated structure, and development of a platform piece is not facilitated. If other new application projects exist but the fine structure changes, the whole carbon brush holder needs to be opened again, and the cost is high.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide an interchangeable connector brush holder assembly with high adaptability and low mold opening cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an interchangeable connector brush carrier assembly comprising a carbon brush carrier housing a commutator and a wire connector for connection to an external circuit; the wire connector is detachably clamped with the carbon brush holder, and an electric connection terminal on the wire connector is connected with a circuit on the carbon brush holder. Traditional scheme all uses the integral type structure with plug and carbon brush frame, is unfavorable for the development of platform spare. If other new application projects exist but the fine structure changes, the whole carbon brush holder needs to be opened again, and the cost is high. This scheme is through dividing into two independent parts with connector and carbon brush frame to the connector can be together fixed through the joint with carbon brush frame, and when its joint was in the same place, the circuit connection on electric connection terminal on the connector and the carbon brush frame, and the advantage is that connector and carbon brush frame can the die sinking respectively, greatly reduces the mould cost.

Furthermore, a plugging part is arranged on the wire connector, and a conductive plug is arranged at the end part of the plugging part; the carbon brush holder is provided with an inserting groove, and the bottom of the inserting groove is provided with a conductive jack; the inserting part can be inserted into the inserting groove to fix the wire connector with the carbon brush holder; the conductive plug can be inserted into the conductive jack and is contacted with the electrode plate in the conductive jack, and the electrode plate is connected with the circuit on the carbon brush, so that the connector circuit is electrically connected with the circuit on the carbon brush frame. The wire connector is ensured to be relatively fixed with the plugging part by inserting the plugging part into the plugging groove and abutting against the side wall of the plugging groove; the electric connector contacts with the electrode plate in the conductive jack through the electric plug, so that the connector circuit is electrically connected with the circuit on the carbon brush holder, wherein the conductive plug is the electric connecting terminal.

Furthermore, the insertion groove comprises a groove bottom plane and two groove side walls, a guide groove is arranged on each groove side wall, and the conductive insertion holes are formed in the groove bottom plane; the guide blocks are arranged on two sides of the inserting portion and can be matched with the guide grooves to guide the conductive plug into the conductive jack. In order to accurately guide the conductive plug into the conductive jack at the bottom of the plugging groove, two side walls of the slot are provided with guide grooves, two sides of the plugging part are provided with guide strips, and the guide strips can be clamped into the guide grooves, so that the conductive plug is guided into the conductive jack.

Furthermore, a convex strip is arranged on the side surface of the guide strip, which is abutted against the guide groove. The side that the guide strip and the guide groove are abutted is provided with the convex strip for adjusting the gap between the guide strip and the guide groove, so that the guide strip can be clamped in the guide groove after entering the guide groove, and the connection strength between the carbon brush holder and the wire connector can be ensured.

Furthermore, a ring opening for accommodating the commutator is arranged in the carbon brush holder, two carbon brush holders are radially arranged on the ring holder, and a carbon brush capable of moving radially along the carbon brush holders and an elastic reset component acting on the carbon brush are arranged in each carbon brush holder; the carbon brush extends out of the ring opening under the action of the elastic reset component and is abutted against the commutator. The elastic reset component is a torsion spring and can abut against the outer end of the carbon brush to tightly press the carbon brush on the commutator, and energy or signals are transmitted between the fixed carbon brush frame and the rotating commutator.

Furthermore, a carbon brush braid made of a flexible conductor material is arranged on the upper side of the carbon brush, one end of the carbon brush braid can abut against the carbon brush, and the other end of the carbon brush braid can be connected with a circuit arranged in the carbon brush holder. Because the relative position of the carbon brush is constantly changed along with the consumption of the carbon brush, the connecting end of the circuit on the carbon brush frame is required to be made of flexible materials to be connected with the carbon brush, so that the carbon brush is always tightly connected with the carbon brush in the moving process.

A brushed motor including the interchangeable connector brush carrier assembly described above.

Through the technical scheme, the utility model discloses wire connector and the carbon brush frame with original integral type have divided into two independent units to releasable connection between wire connector and the carbon brush frame, and guaranteed circuit connection's stability under releasable connection's the condition, for the structure of original integral type, when wire connector or carbon brush frame need adjust the structure because of new application project, the die sinking alone can be assembled together again, has saved the cost.

Drawings

Fig. 1 is an explanatory view of the present invention.

Fig. 2 is an explanatory diagram of the connector of the present invention.

Fig. 3 is a top view of the connector of the present invention.

Fig. 4 is a view of the carbon brush holder of the present invention.

Fig. 5 is a schematic view of the carbon brush holder of the present invention.

In the figure: the carbon brush holder 1, the annular opening 11, the guide groove 122, the conductive jack 121, the insertion groove 12, the carbon brush holder 13, the carbon brush 131, the connector 2, the insertion part 21, the conductive plug 211, the guide block 212, the convex strip 213, the piezoresistor 22 and the external socket 23.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

Example 1: an interchangeable connector brush carrier assembly comprising a carbon brush carrier 1 accommodating a commutator and a wire connector 2 for connection to an external circuit; the wire connector 2 is detachably clamped with the carbon brush holder 1, and an electric connection terminal on the wire connector 2 is connected with a circuit on the carbon brush holder 1. The traditional scheme all uses the integral type structure with plug and carbon brush frame 1, is unfavorable for the development of platform spare. If other new application projects exist but the fine structure changes, the whole carbon brush holder 1 needs to be opened again, and the cost is high. This scheme is through dividing into two independent parts with connector 2 and carbon brush frame 1 to connector 2 and carbon brush frame 1 can be together fixed through the joint, and when its joint was in the same place, the electric connection terminal on the connector 2 and the circuit connection on the carbon brush frame 1. The connector 2 and the carbon brush holder 1 can be opened respectively, and the cost of the mold is greatly reduced.

As shown in fig. 1 to 3, the connector 2 is provided with a plug-in part 21 connected with the carbon brush holder 1 and an external socket 23 connected with an external circuit, and an end of the plug-in part 21 is provided with a conductive plug 211; the carbon brush holder 1 is provided with an inserting groove 12, and the bottom of the inserting groove 12 is provided with a conductive inserting hole 121; the inserting part 21 can be inserted into the inserting groove 12, so that the wire connector 2 is fixed with the carbon brush holder 1; the conductive plug 211 can be inserted into the conductive insertion hole 121 and contact with the electrode plate in the conductive insertion hole 121, and the electrode plate is connected with the circuit on the carbon brush, so that the circuit of the connector 2 is electrically connected with the circuit on the carbon brush holder 1. The wire connector 2 is ensured to be relatively fixed with the plug-in part 21 by inserting the plug-in part 21 into the plug-in groove 12 and abutting against the side wall of the plug-in groove 12; the electric plug contacts with the electrode plate in the conductive jack 121, so that the circuit of the connector 2 is electrically connected with the circuit on the carbon brush holder 1. The insertion part 21 is provided with a receiving groove for receiving the varistor 22, and two electrical connection ends of the varistor 22 extend to the lower end of the insertion part 21 through the receiving groove and are respectively connected with the two conductive plugs 211, so that the varistor 22 is incorporated into a circuit.

As shown in fig. 2 to 3, the insertion groove 12 includes a groove bottom plane and two groove side walls, the groove side walls are provided with guide grooves 122, and the conductive insertion holes 121 are arranged on the groove bottom plane; the two sides of the inserting portion 21 are provided with guide blocks 212, and the guide blocks 212 can be matched with the guide grooves 122 to guide the conductive plug 211 into the conductive jack 121. A protruding strip 213 is provided on the side of the guide strip that abuts against the guide groove 122. In order to accurately guide the conductive plug 211 into the conductive jack 121 at the bottom of the inserting groove 12, guide grooves 122 are formed on both side walls of the inserting groove, and guide bars are formed on both sides of the inserting portion 21 and can be inserted into the guide grooves 122, so that the conductive plug 211 is guided into the conductive jack 121. The side surface of the guide strip, which is abutted against the guide groove 122, is provided with a convex strip 213 for adjusting the gap between the guide strip and the guide groove 122, so that the guide strip can be clamped in the guide groove 122 after entering the guide groove 122, and the connection strength between the carbon brush holder 1 and the wire connector 2 can be ensured.

As shown in fig. 4 and 5, an annular opening 11 for accommodating the commutator is arranged in the carbon brush holder 1, two carbon brush holders 13 are radially arranged on the annular holder, and a carbon brush capable of moving radially along the carbon brush holders 13 and an elastic reset component acting on the carbon brush are arranged in the carbon brush holders 13; the carbon brush extends out of the annular opening 11 under the action of the elastic reset component and abuts against the commutator. The deformation end of the elastic reset component is abutted against the outer end of the carbon brush, and the inner end of the carbon brush is provided with a guide inclined plane. The elastic reset component is a torsion spring and can abut against the outer end of the carbon brush to tightly press the carbon brush on the commutator, and energy or signals are transmitted between the fixed carbon brush frame 1 and the rotating commutator. The upper side of the carbon brush is provided with a carbon brush braid made of a flexible conductor material, one end of the carbon brush braid can abut against the carbon brush, and the other end of the carbon brush braid can be connected with a circuit arranged in the carbon brush holder 1. Because the relative position of the carbon brush is constantly changed along with the consumption of the carbon brush, the connection end of the circuit on the carbon brush frame 1 is required to be made of flexible materials to be connected with the carbon brush, so that the carbon brush is always tightly connected with the carbon brush in the moving process.

Example 2: a brushed motor comprising the interchangeable connector brush carrier assembly of embodiment 1.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (7)

1. An interchangeable connector brush carrier assembly, comprising: comprises a carbon brush holder for accommodating a commutator and a connector for connecting with an external circuit; the wire connector is detachably clamped with the carbon brush holder, and an electric connection terminal on the wire connector is connected with a circuit on the carbon brush holder.

2. The interchangeable connector brush carriage assembly of claim 1, wherein: the wire connector is provided with a plugging part, and the end part of the plugging part is provided with a conductive plug; the carbon brush holder is provided with an inserting groove, and the bottom of the inserting groove is provided with a conductive jack; the inserting part can be inserted into the inserting groove to fix the wire connector with the carbon brush holder; the conductive plug can be inserted into the conductive jack and is contacted with the electrode plate in the conductive jack, and the electrode plate is connected with the circuit on the carbon brush, so that the connector circuit is electrically connected with the circuit on the carbon brush frame.

3. The interchangeable connector brush carriage assembly of claim 2, wherein: the insertion groove comprises a groove bottom plane and two groove side walls, a guide groove is arranged on each groove side wall, and the conductive insertion holes are formed in the groove bottom plane; the guide blocks are arranged on two sides of the inserting portion and can be matched with the guide grooves to guide the conductive plug into the conductive jack.

4. An interchangeable connector brush carrier assembly according to claim 3, wherein: the side surface of the guide strip, which is abutted against the guide groove, is provided with a convex strip.

5. The interchangeable connector brush carriage assembly of claim 1, wherein: the carbon brush holder is internally provided with a ring opening for accommodating the commutator, the ring frame is radially provided with two carbon brush holders, and the carbon brush holders are internally provided with carbon brushes capable of moving along the carbon brush holders in the radial direction and elastic reset components acting on the carbon brushes; the carbon brush extends out of the ring opening under the action of the elastic reset component and is abutted against the commutator.

6. An interchangeable connector brush carrier assembly according to claim 5, wherein: the upper side of the carbon brush is provided with a carbon brush braid made of a flexible conductor material, one end of the carbon brush braid can abut against the carbon brush, and the other end of the carbon brush braid can be connected with a circuit arranged in the carbon brush holder.

7. A brush motor, its characterized in that: including the interchangeable connector brush assembly of any of claims 1-6.

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