CN112491188B - Combined brush holder assembly - Google Patents
Combined brush holder assembly Download PDFInfo
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- CN112491188B CN112491188B CN202011130404.4A CN202011130404A CN112491188B CN 112491188 B CN112491188 B CN 112491188B CN 202011130404 A CN202011130404 A CN 202011130404A CN 112491188 B CN112491188 B CN 112491188B
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- brush
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- insulating sleeve
- wedge
- transition joint
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
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- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a combined brush holder assembly, which belongs to the technical field of generators and comprises a handle, a wedge-shaped connecting plate, an electric brush and a brush box, and is characterized in that: still include insulating sleeve, transition joint and connecting piece, in the one end embedding insulating sleeve of handle, be provided with insulating baffle between insulating sleeve and the wedge connecting plate, the transition joint runs through insulating baffle, in the one end embedding insulating sleeve of transition joint, in the other end embedding wedge connecting plate, installs the axle on the handle, epaxial belleville spring of installing, belleville spring's one end is located insulating sleeve, and the other end is located transition joint, and the one end and the detachable connection of wedge connecting plate of connecting piece, the other end are connected with the fixed plate, and the brush box is connected on the fixed plate, fixedly connected with limiting plate on the electric brush. The invention can reliably lock the motion of the electric brush, improve the reliability of the limit of the electric brush, eliminate the potential safety hazard in the operation process of the brush holder and has strong applicability.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a combined brush holder assembly.
Background
The brush holder comprises wedge-shaped connecting plate, brush box, handle, axle, constant force spring and brush holding mechanism, and wherein, the wedge-shaped connecting plate passes through the screw and is connected with the brush box or wedge-shaped connecting plate and brush box structure as an organic whole, and the constant force spring is installed in the brush box. When the brush box works, the electric brush moves in the brush box under the action of the constant force spring and keeps contact with the collecting ring.
The brush box and the wedge-shaped connecting plate of the multi-connected brush box are assembled after being manufactured by adopting a casting process respectively, and the brush box is complex in structure, large in wall thickness change and complex in mold structure and long in processing period. The wedge-shaped connecting plate and the brush box of the single-hole brush holder are of an integral casting structure, the mold structure is complex, and the application range is small. According to different working conditions, the cross section size of the electric brush is changed, and the number of the electric brushes arranged on each brush holder is also changed. Once the section size of the electric brush changes, or the number of the electric brushes arranged on each brush holder changes, a new die needs to be processed, the die cost is high, the processing period is long, and the application range of the die is limited.
Chinese patent publication No. CN 204118924U, published 2015, 01-21, discloses an excitation combined brush holder for a generator or a motor, which comprises a carbon brush fixing device, a conductive plate, a brush holder fixing rod, a pre-tightening spring, a carbon brush box and a voltage-sharing spring, wherein the conductive plate is provided with a guide sleeve, and the brush holder fixing rod is installed in the guide sleeve, and is characterized in that: the carbon brush fixing device comprises a supporting plate, elastic clamping teeth and a shifting lever, wherein the supporting plate is a flat plate, the elastic clamping teeth are installed on the supporting plate, the carbon brush box is provided with an opening at a position corresponding to the elastic clamping teeth, the shifting lever is installed on a brush holder fixing rod and used for shifting the supporting plate to enable the elastic clamping teeth to extend into a carbon brush in the carbon brush box when maintenance is conducted, and the carbon brush is supported from the side face.
Although the excitation combined brush holder for the generator or the motor disclosed in the patent document can solve the problem that the carbon brush fixing device cannot fix the carbon brush well, the slip ring is easily damaged or the carbon brush is stuck in an operating state. However, the combination of different numbers of brush boxes cannot be realized, and the movement of the brush cannot be reliably locked, so that potential safety hazards exist in the process of inserting and pulling the brush holder.
Disclosure of Invention
The combined brush holder assembly can reliably lock the movement of the electric brush, improve the reliability of the limit of the electric brush, eliminate the potential safety hazard in the operation process of the brush holder and has strong applicability.
The invention is realized by the following technical scheme:
the utility model provides a modular brush holder subassembly, includes handle, wedge-shaped connecting plate, brush and brush box, brush sliding connection in the brush box, its characterized in that: still include insulating sleeve, transition joint and connecting piece, in the one end embedding insulating sleeve of handle, be provided with insulating baffle between insulating sleeve and the wedge connecting plate, insulating baffle fixes on insulating sleeve, transition joint runs through insulating baffle, and in transition joint's one end embedding insulating sleeve, in transition joint's the other end embedding wedge connecting plate, install the axle on the handle, the axle runs through insulating sleeve, transition joint and wedge connecting plate, epaxial belleville spring of installing, belleville spring's one end is located insulating sleeve, and belleville spring's the other end is located transition joint, the one end and the detachable connection of wedge connecting plate of connecting piece, the other end of connecting piece are connected with the fixed plate, the brush box is connected on the fixed plate, fixedly connected with limiting plate on the electric brush.
The connecting piece includes mounting panel and fixing base, and mounting panel and fixing base form for integrated into one piece, and it has the mounting groove to open on the mounting panel, and the fixed plate is fixed on the mounting groove, and the fixing base is connected with the wedge connecting plate is detachable.
Mounting groove, fixed plate and brush box are three, and three fixed plate arranges side by side, and the brush box passes through the fixed plate to be installed on the mounting groove.
The cross section of the limiting plate is L-shaped, the limiting plate comprises a connecting part and a limiting part, the connecting part and the limiting part are integrally formed, and the connecting part is fixed on the electric brush.
The cross section of the handle is T-shaped, the handle comprises a holding part and an embedding part, the holding part and the embedding part are formed by integral molding, a cavity is formed in the holding part, and an end cover is embedded in the holding part.
The one end of axle is provided with the nut, and the nut is located the cavity, and the other end of axle is provided with the anticreep piece, and the one end of axle runs through the embedding portion and fixes on the embedding portion through the nut.
And a cushion block is fixed in the insulating sleeve, one end of the disk spring is in contact with the cushion block, and the other end of the disk spring is in contact with the transition joint.
The working principle of the invention is as follows:
the during operation, the brush reciprocates in the brush box, when needs brush holder is dismantled at the working process live-line, all need set up one in brush box bottom among the prior art through lever principle and spring mating action realization brush locking part, prevents that the brush from deviating from the brush holder when dismantling the brush holder, avoids colliding with sliding ring rotating part and causes brush or sliding ring surface damage, influences the brush holder normal function and realizes. However, due to the factors of unreasonable size design, installation size deviation and spring force deviation, reliable locking of the movement of the brush is difficult, and therefore potential safety hazards exist in the process of inserting and pulling the brush holder.
According to the invention, an electric brush locking component realized by an elastic element arranged at the bottom of the brush box in the prior art is eliminated, the electric brush is provided with a limiting plate which is provided with electric brush position indication and electric brush position locking simultaneously, and when the electric brush moves to an allowable limit position in the brush box during the process of inserting and pulling the brush holder, the limiting plate arranged on the electric brush is blocked by the edge of the brush box, so that the movement of the electric brush is limited. Because the electric brush locking component realized by relying on the elastic element is cancelled, the limitation of the position of the electric brush is realized by relying on the static component, the reliability of the electric brush limitation is greatly improved, and the potential safety hazard in the operation process of the brush holder is eliminated.
The beneficial effects of the invention are mainly shown in the following aspects:
first, the invention, one end of the hand grip imbeds the insulating bush, there are insulating baffles between wedge-shaped joint plate and the insulating bush, the insulating baffle is fixed on insulating bush, the transition joint runs through the insulating baffle, one end of the transition joint imbeds the insulating bush, another end of the transition joint imbeds in the wedge-shaped joint plate, install the axle on the hand grip, the axle runs through insulating bush, transition joint and wedge-shaped joint plate, install the belleville spring on the axle, one end of the belleville spring locates in insulating bush, another end of the belleville spring locates in transition joint, one end of the link is connected with wedge-shaped joint plate detachablely, another end of the link connects with the dead plate, the brush box connects to the dead plate, fixedly connect with the limiting plate on the brush, when the brush holder is inserted and pulled out, when the brush moves to the allowed limit position in the brush box, the limiting plate set up on the brush is blocked by the edge of the brush box, the motion of locking brush that can be reliable improves the spacing reliability of brush, eliminates the potential safety hazard of brush holder operation in-process, and the suitability is strong.
The connecting piece comprises a mounting plate and a fixing seat, the mounting plate and the fixing seat are integrally formed, a mounting groove is formed in the mounting plate, the fixing plate is fixed on the mounting groove, and the fixing seat is detachably connected with the wedge-shaped connecting plate, so that the brush box can be stably fixed, and the working reliability is guaranteed.
The three mounting grooves, the three fixing plates and the three brush boxes are arranged side by side, the brush boxes are mounted on the mounting grooves through the fixing plates, the number of the brush boxes is more flexibly set, a new die does not need to be machined, the number of the dies is reduced, and the cost of the dies is reduced.
According to the invention, the cross section of the limiting plate is L-shaped, the limiting plate comprises the connecting part and the limiting part, the connecting part and the limiting part are integrally formed, and the connecting part is fixed on the electric brush, so that the structure is simple, and a good limiting effect can be achieved.
The cross section of the handle is T-shaped, the handle comprises a holding part and an embedding part, the holding part and the embedding part are integrally formed, a cavity is formed in the holding part, and an end cover is embedded in the holding part, so that the shaft is convenient to replace, and the handle is more convenient to disassemble and install.
And one end of the shaft penetrates through the embedding part and is fixed on the embedding part through the nut, so that the shaft can be prevented from slipping, and the working reliability is further guaranteed.
And a cushion block is fixed in the insulating sleeve, one end of the disc spring is in contact with the cushion block, and the other end of the disc spring is in contact with the transition joint, so that the whole brush holder can realize a good locking effect, and the working stability is improved.
Drawings
The invention will be further described in detail with reference to the drawings and the detailed description, in which:
FIG. 1 is a schematic structural view of the present invention;
the labels in the figure are: 1. the handle, 2, wedge-shaped connecting plate, 3, brush, 4, brush box, 5, insulating sleeve, 6, transition joint, 7, connecting piece, 8, insulating baffle, 9, axle, 10, belleville spring, 11, fixed plate, 12, limiting plate, 13, mounting panel, 14, fixing base, 15, mounting groove, 16, connecting portion, 17, spacing portion, 18, the portion of gripping, 19, embedding portion, 20, cavity, 21, end cover, 22, nut, 23, anticreep piece, 24, cushion.
Detailed Description
Example 1
Referring to fig. 1, a combined brush holder assembly comprises a handle 1, a wedge-shaped connecting plate 2, an electric brush 3 and a brush box 4, wherein the electric brush 3 is slidably connected in the brush box 4, the brush holder assembly further comprises an insulating sleeve 5, a transition joint 6 and a connecting piece 7, one end of the handle 1 is embedded in the insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, the transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, and the other end of the disc spring 10 is located in the transition joint 6, one end and the 2 detachable connections of wedge-shaped connecting plate of connecting piece 7, the other end of connecting piece 7 is connected with fixed plate 11, brush box 4 is connected on fixed plate 11, fixedly connected with limiting plate 12 on brush 3.
The embodiment is the most basic implementation manner, one end of a handle 1 is embedded in an insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and a wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, a transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, the other end of the disc spring 10 is located in the transition joint 6, one end of a connecting piece 7 is detachably connected with the wedge-shaped connecting plate 2, the other end of the connecting piece 7 is connected with a fixing plate 11, a brush box 4 is connected on the fixing plate 11, and a limiting plate 12 is fixedly connected on a brush 3, when the brush holder is plugged and pulled out, when the electric brush 3 moves to an allowed limit position in the brush box 4, the limiting plate 12 arranged on the electric brush 3 is blocked by the edge of the brush box 4, the movement of the electric brush 3 can be reliably locked, the limiting reliability of the electric brush 3 is improved, the potential safety hazard in the operation process of the brush holder is eliminated, and the applicability is strong.
Example 2
Referring to fig. 1, a combined brush holder assembly comprises a handle 1, a wedge-shaped connecting plate 2, an electric brush 3 and a brush box 4, wherein the electric brush 3 is slidably connected in the brush box 4, the brush holder assembly further comprises an insulating sleeve 5, a transition joint 6 and a connecting piece 7, one end of the handle 1 is embedded in the insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, the transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, and the other end of the disc spring 10 is located in the transition joint 6, one end and the 2 detachable connections of wedge-shaped connecting plate of connecting piece 7, the other end of connecting piece 7 is connected with fixed plate 11, brush box 4 is connected on fixed plate 11, fixedly connected with limiting plate 12 on brush 3.
Connecting piece 7 includes mounting panel 13 and fixing base 14, and mounting panel 13 and fixing base 14 form for integrated into one piece, and it has mounting groove 15 to open on the mounting panel 13, and fixed plate 11 is fixed on mounting groove 15, and fixing base 14 is connected with wedge-shaped connecting plate 2 is detachable.
This embodiment is a preferred implementation, and connecting piece 7 includes mounting panel 13 and fixing base 14, and mounting panel 13 and fixing base 14 form for integrated into one piece, and it has mounting groove 15 to open on the mounting panel 13, and fixed plate 11 is fixed on mounting groove 15, and fixing base 14 is connected with wedge-shaped connecting plate 2 is detachable, the firm fixed brush box 4 of being convenient for, guarantee operational reliability.
Example 3
Referring to fig. 1, a combined brush holder assembly comprises a handle 1, a wedge-shaped connecting plate 2, an electric brush 3 and a brush box 4, wherein the electric brush 3 is slidably connected in the brush box 4, the brush holder assembly further comprises an insulating sleeve 5, a transition joint 6 and a connecting piece 7, one end of the handle 1 is embedded in the insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, the transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, and the other end of the disc spring 10 is located in the transition joint 6, one end and the 2 detachable connections of wedge-shaped connecting plate of connecting piece 7, the other end of connecting piece 7 is connected with fixed plate 11, brush box 4 is connected on fixed plate 11, fixedly connected with limiting plate 12 on brush 3.
Connecting piece 7 includes mounting panel 13 and fixing base 14, and mounting panel 13 and fixing base 14 form for integrated into one piece, and it has mounting groove 15 to open on the mounting panel 13, and fixed plate 11 is fixed on mounting groove 15, and fixing base 14 is connected with wedge-shaped connecting plate 2 is detachable.
The mounting groove 15, the fixing plate 11 and the brush box 4 are three, the three fixing plates 11 are arranged side by side, and the brush box 4 is mounted on the mounting groove 15 through the fixing plates 11.
This embodiment is another preferred embodiment, and mounting groove 15, fixed plate 11 and brush box 4 are three, and three fixed plate 11 is arranged side by side, and brush box 4 passes through fixed plate 11 to be installed on mounting groove 15, and brush box 4 quantity sets up more in a flexible way, need not to process new mould, has reduced mould quantity, has reduced the mould cost.
Example 4
Referring to fig. 1, a combined brush holder assembly comprises a handle 1, a wedge-shaped connecting plate 2, an electric brush 3 and a brush box 4, wherein the electric brush 3 is slidably connected in the brush box 4, the brush holder assembly further comprises an insulating sleeve 5, a transition joint 6 and a connecting piece 7, one end of the handle 1 is embedded in the insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, the transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, and the other end of the disc spring 10 is located in the transition joint 6, one end and the 2 detachable connections of wedge-shaped connecting plate of connecting piece 7, the other end of connecting piece 7 is connected with fixed plate 11, brush box 4 is connected on fixed plate 11, fixedly connected with limiting plate 12 on brush 3.
Connecting piece 7 includes mounting panel 13 and fixing base 14, and mounting panel 13 and fixing base 14 form for integrated into one piece, and it has mounting groove 15 to open on the mounting panel 13, and fixed plate 11 is fixed on mounting groove 15, and fixing base 14 is connected with wedge-shaped connecting plate 2 is detachable.
The mounting groove 15, the fixing plate 11 and the brush box 4 are three, the three fixing plates 11 are arranged side by side, and the brush box 4 is mounted on the mounting groove 15 through the fixing plates 11.
The cross section of the limiting plate 12 is L-shaped, the limiting plate 12 comprises a connecting portion 16 and a limiting portion 17, the connecting portion 16 and the limiting portion 17 are integrally formed, and the connecting portion 16 is fixed on the electric brush 3.
In this embodiment, the cross section of the limiting plate 12 is "L" shaped, the limiting plate 12 includes a connecting portion 16 and a limiting portion 17, the connecting portion 16 and the limiting portion 17 are integrally formed, and the connecting portion 16 is fixed on the brush 3, so that the structure is simple and the limiting function is good.
Example 5
Referring to fig. 1, a combined brush holder assembly comprises a handle 1, a wedge-shaped connecting plate 2, an electric brush 3 and a brush box 4, wherein the electric brush 3 is slidably connected in the brush box 4, the brush holder assembly further comprises an insulating sleeve 5, a transition joint 6 and a connecting piece 7, one end of the handle 1 is embedded in the insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, the transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, and the other end of the disc spring 10 is located in the transition joint 6, one end and the 2 detachable connections of wedge-shaped connecting plate of connecting piece 7, the other end of connecting piece 7 is connected with fixed plate 11, brush box 4 is connected on fixed plate 11, fixedly connected with limiting plate 12 on brush 3.
Connecting piece 7 includes mounting panel 13 and fixing base 14, and mounting panel 13 and fixing base 14 form for integrated into one piece, and it has mounting groove 15 to open on the mounting panel 13, and fixed plate 11 is fixed on mounting groove 15, and fixing base 14 is connected with wedge-shaped connecting plate 2 is detachable.
The mounting groove 15, the fixing plate 11 and the brush box 4 are three, the three fixing plates 11 are arranged side by side, and the brush box 4 is mounted on the mounting groove 15 through the fixing plates 11.
The cross section of the limiting plate 12 is L-shaped, the limiting plate 12 comprises a connecting portion 16 and a limiting portion 17, the connecting portion 16 and the limiting portion 17 are integrally formed, and the connecting portion 16 is fixed on the electric brush 3.
The cross section of the handle 1 is T-shaped, the handle 1 comprises a holding part 18 and an embedded part 19, the holding part 18 and the embedded part 19 are formed by integral molding, a cavity 20 is formed in the holding part 18, and an end cover 21 is embedded on the holding part 18.
In another preferred embodiment, the cross section of the handle 1 is "T" shaped, the handle 1 includes a holding portion 18 and an embedded portion 19, the holding portion 18 and the embedded portion 19 are integrally formed, a cavity 20 is formed in the holding portion 18, and an end cap 21 is embedded on the holding portion 18, so that the shaft 9 can be replaced conveniently, and the detachment and installation are more convenient.
Example 6
Referring to fig. 1, a combined brush holder assembly comprises a handle 1, a wedge-shaped connecting plate 2, an electric brush 3 and a brush box 4, wherein the electric brush 3 is slidably connected in the brush box 4, the brush holder assembly further comprises an insulating sleeve 5, a transition joint 6 and a connecting piece 7, one end of the handle 1 is embedded in the insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, the transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, and the other end of the disc spring 10 is located in the transition joint 6, one end and the 2 detachable connections of wedge-shaped connecting plate of connecting piece 7, the other end of connecting piece 7 is connected with fixed plate 11, brush box 4 is connected on fixed plate 11, fixedly connected with limiting plate 12 on brush 3.
Connecting piece 7 includes mounting panel 13 and fixing base 14, and mounting panel 13 and fixing base 14 form for integrated into one piece, and it has mounting groove 15 to open on the mounting panel 13, and fixed plate 11 is fixed on mounting groove 15, and fixing base 14 is connected with wedge-shaped connecting plate 2 is detachable.
The mounting groove 15, the fixing plate 11 and the brush box 4 are three, the three fixing plates 11 are arranged side by side, and the brush box 4 is mounted on the mounting groove 15 through the fixing plates 11.
The cross section of the limiting plate 12 is L-shaped, the limiting plate 12 comprises a connecting portion 16 and a limiting portion 17, the connecting portion 16 and the limiting portion 17 are integrally formed, and the connecting portion 16 is fixed on the electric brush 3.
The cross section of the handle 1 is T-shaped, the handle 1 comprises a holding part 18 and an embedded part 19, the holding part 18 and the embedded part 19 are formed by integral molding, a cavity 20 is formed in the holding part 18, and an end cover 21 is embedded on the holding part 18.
One end of the shaft 9 is provided with a nut 22, the nut 22 is positioned in the cavity 20, the other end of the shaft 9 is provided with an anti-falling block 23, and one end of the shaft 9 penetrates through the embedded part 19 and is fixed on the embedded part 19 through the nut 22.
In this embodiment, a nut 22 is disposed at one end of the shaft 9, the nut 22 is located in the cavity 20, an anti-slip block 23 is disposed at the other end of the shaft 9, and one end of the shaft 9 penetrates through the embedded portion 19 and is fixed on the embedded portion 19 through the nut 22, so as to prevent the shaft 9 from slipping off, and further ensure the operational reliability.
Example 7
Referring to fig. 1, a combined brush holder assembly comprises a handle 1, a wedge-shaped connecting plate 2, an electric brush 3 and a brush box 4, wherein the electric brush 3 is slidably connected in the brush box 4, the brush holder assembly further comprises an insulating sleeve 5, a transition joint 6 and a connecting piece 7, one end of the handle 1 is embedded in the insulating sleeve 5, an insulating baffle 8 is arranged between the insulating sleeve 5 and the wedge-shaped connecting plate 2, the insulating baffle 8 is fixed on the insulating sleeve 5, the transition joint 6 penetrates through the insulating baffle 8, one end of the transition joint 6 is embedded in the insulating sleeve 5, the other end of the transition joint 6 is embedded in the wedge-shaped connecting plate 2, a shaft 9 is mounted on the handle 1, the shaft 9 penetrates through the insulating sleeve 5, the transition joint 6 and the wedge-shaped connecting plate 2, a disc spring 10 is mounted on the shaft 9, one end of the disc spring 10 is located in the insulating sleeve 5, and the other end of the disc spring 10 is located in the transition joint 6, one end and the 2 detachable connections of wedge-shaped connecting plate of connecting piece 7, the other end of connecting piece 7 is connected with fixed plate 11, brush box 4 is connected on fixed plate 11, fixedly connected with limiting plate 12 on brush 3.
Connecting piece 7 includes mounting panel 13 and fixing base 14, and mounting panel 13 and fixing base 14 form for integrated into one piece, and it has mounting groove 15 to open on the mounting panel 13, and fixed plate 11 is fixed on mounting groove 15, and fixing base 14 is connected with wedge-shaped connecting plate 2 is detachable.
The mounting groove 15, the fixing plate 11 and the brush box 4 are three, the three fixing plates 11 are arranged side by side, and the brush box 4 is mounted on the mounting groove 15 through the fixing plates 11.
The cross section of the limiting plate 12 is L-shaped, the limiting plate 12 comprises a connecting portion 16 and a limiting portion 17, the connecting portion 16 and the limiting portion 17 are integrally formed, and the connecting portion 16 is fixed on the electric brush 3.
The cross section of the handle 1 is T-shaped, the handle 1 comprises a holding part 18 and an embedded part 19, the holding part 18 and the embedded part 19 are formed by integral molding, a cavity 20 is formed in the holding part 18, and an end cover 21 is embedded on the holding part 18.
One end of the shaft 9 is provided with a nut 22, the nut 22 is positioned in the cavity 20, the other end of the shaft 9 is provided with an anti-falling block 23, and one end of the shaft 9 penetrates through the embedded part 19 and is fixed on the embedded part 19 through the nut 22.
A cushion block 24 is fixed in the insulating sleeve 5, one end of the disc spring 10 is in contact with the cushion block 24, and the other end of the disc spring 10 is in contact with the transition joint 6.
The embodiment is the best mode, a cushion block 24 is fixed in the insulating sleeve 5, one end of the disc spring 10 is in contact with the cushion block 24, and the other end of the disc spring 10 is in contact with the transition joint 6, so that the whole brush holder can achieve a good locking effect, and the working stability is improved.
Claims (4)
1. The utility model provides a modular brush holder subassembly, includes handle (1), wedge connecting plate (2), brush (3) and brush box (4), brush (3) sliding connection in brush box (4), its characterized in that: the handle is characterized by further comprising an insulating sleeve (5), a transition joint (6) and a connecting piece (7), wherein one end of the handle (1) is embedded into the insulating sleeve (5), an insulating baffle (8) is arranged between the insulating sleeve (5) and the wedge-shaped connecting plate (2), the insulating baffle (8) is fixed on the insulating sleeve (5), the transition joint (6) penetrates through the insulating baffle (8), one end of the transition joint (6) is embedded into the insulating sleeve (5), the other end of the transition joint (6) is embedded into the wedge-shaped connecting plate (2), a shaft (9) is installed on the handle (1), the shaft (9) penetrates through the insulating sleeve (5), the transition joint (6) and the wedge-shaped connecting plate (2), a disc spring (10) is installed on the shaft (9), one end of the disc spring (10) is located in the insulating sleeve (5), and the other end of the disc spring (10) is located in the transition joint (6), one end of the connecting piece (7) is detachably connected with the wedge-shaped connecting plate (2), the other end of the connecting piece (7) is connected with the fixing plate (11), the brush box (4) is connected onto the fixing plate (11), the electric brush (3) is fixedly connected with the limiting plate (12), the cross section of the handle (1) is in a T shape, the handle (1) comprises a holding part (18) and an embedding part (19), the holding part (18) and the embedding part (19) are integrally formed, a cavity (20) is formed in the holding part (18), an end cover (21) is embedded in the holding part (18), a cushion block (24) is fixed in the insulating sleeve (5), one end of the disc spring (10) is in contact with the cushion block (24), and the other end of the disc spring (10) is in contact with the transition joint (6); the cross section of the limiting plate (12) is L-shaped, the limiting plate (12) comprises a connecting portion (16) and a limiting portion (17), the connecting portion (16) and the limiting portion (17) are formed by integral forming, and the connecting portion (16) is fixed on the electric brush (3).
2. A modular brush holder assembly according to claim 1, wherein: connecting piece (7) include mounting panel (13) and fixing base (14), and mounting panel (13) and fixing base (14) form for integrated into one piece, and it has mounting groove (15) to open on mounting panel (13), and fixed plate (11) are fixed on mounting groove (15), and fixing base (14) are connected with wedge connecting plate (2) are detachable.
3. A modular brush holder assembly according to claim 2, wherein: mounting groove (15), fixed plate (11) and brush box (4) are three, and three fixed plate (11) arrange side by side, and brush box (4) are installed on mounting groove (15) through fixed plate (11).
4. A modular brush holder assembly according to claim 1, wherein: one end of the shaft (9) is provided with a nut (22), the nut (22) is located in the cavity (20), the other end of the shaft (9) is provided with an anti-falling block (23), and one end of the shaft (9) penetrates through the embedded part (19) and is fixed on the embedded part (19) through the nut (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130404.4A CN112491188B (en) | 2020-10-21 | 2020-10-21 | Combined brush holder assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130404.4A CN112491188B (en) | 2020-10-21 | 2020-10-21 | Combined brush holder assembly |
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| CN112491188A CN112491188A (en) | 2021-03-12 |
| CN112491188B true CN112491188B (en) | 2022-02-08 |
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| CN2533595Y (en) * | 2002-04-20 | 2003-01-29 | 郑玉芳 | Plane contact connect-disconnect type multiple brush holder |
| CN203377717U (en) * | 2013-06-26 | 2014-01-01 | 沧州华海风电设备科技技术开发有限公司 | Electric brush holder |
| CN109286110A (en) * | 2018-10-22 | 2019-01-29 | 张宏伟 | Thermoelectricity is with can charge disassembly brush carrier |
| CN111668976A (en) * | 2020-05-14 | 2020-09-15 | 哈尔滨中兴继电科技有限公司 | Detachable brush holder device for generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB665228A (en) * | 1949-07-06 | 1952-01-16 | Walter William Anderson | Improvements relating to fractional h.p. electric motors |
| CN108566019B (en) * | 2018-04-03 | 2020-07-21 | 瑞安市瑞鑫电器有限公司 | Carbon brush holder of intelligent compensation carbon brush |
| CN109378925B (en) * | 2018-11-20 | 2023-08-22 | 宁波精成电机有限公司 | Direct current brush fixed knot constructs and motor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533595Y (en) * | 2002-04-20 | 2003-01-29 | 郑玉芳 | Plane contact connect-disconnect type multiple brush holder |
| CN203377717U (en) * | 2013-06-26 | 2014-01-01 | 沧州华海风电设备科技技术开发有限公司 | Electric brush holder |
| CN109286110A (en) * | 2018-10-22 | 2019-01-29 | 张宏伟 | Thermoelectricity is with can charge disassembly brush carrier |
| CN111668976A (en) * | 2020-05-14 | 2020-09-15 | 哈尔滨中兴继电科技有限公司 | Detachable brush holder device for generator |
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| CN112491188A (en) | 2021-03-12 |
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