CN208272328U - A kind of carbon brush component and the brush carrier assembling assembly comprising it - Google Patents

Abstract

The utility model discloses a kind of carbon brush components, it includes carbon brush and brush carrier, the brush carrier is the cylinder of cuboid, the carbon brush slide fit is in the brush carrier, pressure spring is equipped between the brush carrier inner end and the carbon brush, the side of the carbon brush is equipped with several sediment ejection troughs, and the sediment ejection trough penetrates through entire carbon brush.The brush carrier assembling assembly comprising the carbon brush component is also disclosed in the utility model.In the utility model, the setting of the sediment ejection trough is so that the face contact between carbon brush and brush carrier is changed to contact close to line, both original reasonable size between carbon brush and brush carrier had been kept to cooperate, increase the gap between carbon brush surface slotted section and brush carrier again, the sediment ejection trough can accommodate tiny sand and dust and be discharged, it is carbon brush is stuck and cause the failure of motor to can avoid the sand and dust being strayed into, improves motor reliability significantly.

Description

A kind of carbon brush component and the brush carrier assembling assembly comprising it

Technical field

The utility model belongs to technical field of motors, and in particular to a kind of carbon brush component and the brush carrier assembly group comprising it Part.

Background technique

Brush carrier assembly is made of brush basin bottom plate, inductance, capacitor, carbon brush, brush carrier, pressure spring.Wherein using brush basin bottom plate the bottom of as, The electrical components such as inductance, capacitor, carbon brush arrange above it that existing brush basin bottom plate is as shown in Figure 1 or 2.Wherein, according to Fig. 1 In orientation, the diagonal line region 11 of brush basin bottom plate can be arranged symmetrically four brushes by brush carrier, and the recess 12 on upper and lower both sides can Arrange two inductance, and the side region (right side in figure) between diagonal line region 11 is to be used for cloth 13 at electrical connection Set socket and positive and negative anodes harness butt-joint.Compared to brush basin bottom plate shown in FIG. 1, inductance frame 121 is equipped at the recess 12 in Fig. 2 and is used In fixed inductance.

With the continuous renewal and product flattening of user trial validation criteria, existing brush carrier assembly cannot expire completely Foot requires, the main problems are as follows:

(1) existing carbon brush assembles as shown in figure 3,14 slide fit of carbon brush is in the tubular brush carrier 14 of cuboid, due to carbon Brushing 14 sides is plane, and tiny sand and dust are stuck into carbon brush is easily caused.

(2) brush basin bottom plate shown in FIG. 1 needs in addition to add inductance frame without inductance, capacitor fixing device when assembling inductance It is auxiliarily fixed, mutual assembly relation between inductance frame and inductance, inductance frame and brush basin bottom plate, inductance and brush basin bottom plate, accumulation Tolerance causes processing consistency poor.And brush basin bottom plate shown in Fig. 2 is equipped with inductance frame 13, can solve asking for processing consistency difference Topic, but the inductance frame designs for integral type, inductance is installed perpendicular to brush basin bottom plate, after not considering inductance butt-joint, inductance sheet The factor that body is displaced outwardly, this inductance frame stress for making elasticity bad is easy to appear fracture, and then whole part is caused to be scrapped.

(3) on brush basin bottom plate, there is no partition between positive and negative anodes, easily cause galvano-cautery.

(4) on brush basin bottom plate, axial space utilization rate is low at electrical connection, and the inserted sheet installation of socket and resistance causes additional Highly, cause motor thicker.

Therefore in view of the above-mentioned problems, being badly in need of optimizing brush carrier assembling assembly.

Utility model content

For brush carrier assembling assembly in the prior art, carbon brush of the slide fit in brush carrier is easy since tiny sand and dust point enter Stuck technical problem, the purpose of this utility model is to provide a kind of carbon brush component, which can be automatically drained out entrance Tiny sand and dust, effectively carbon brush is avoided to block.

The carbon brush component of the utility model includes carbon brush and brush carrier, and the brush carrier is the cylinder of cuboid, the carbon brush Slide fit is in the brush carrier, which is characterized in that pressure spring, the side of the carbon brush are equipped between the brush carrier inner end and the carbon brush Equipped with several sediment ejection troughs, the sediment ejection trough penetrates through entire carbon brush.

The sediment ejection trough can open two, may also set up a plurality of.The setting of the sediment ejection trough is so that face between carbon brush and brush carrier Contact is changed to contact close to line, and original reasonable size between carbon brush and brush carrier had not only been kept to cooperate, but also increases carbon brush surface fluting portion Gap point between brush carrier, the sediment ejection trough can accommodate tiny sand and dust and be discharged, can avoid the sand and dust being strayed by carbon brush it is stuck and The failure for causing motor, improves motor reliability significantly.

Preferably, the sediment ejection trough is equipped with two, it is respectively arranged on the upper side of the carbon brush and the middle position of downside.

Preferably, the brush carrier bottom side is set, there are two opposite grabs.The setting of the grab is convenient for brush carrier buckle On brush basin bottom plate.

The purpose of this utility model, which also resides in, provides a kind of brush carrier assembling assembly comprising brush basin bottom plate and is arranged in Inductance, capacitor and the carbon brush component of the brush basin substrate.

Preferably, the carbon brush component is arranged in the diagonal line region of the brush basin bottom plate；The inductance arrangement is in described In the brush basin bottom plate recess that both sides are equipped with up and down, the capacity arrangement is in brush basin bottom plate side close to edge.

Preferably, two recesses of the brush basin bottom plate are respectively equipped with inductance fixed mechanism, the inductance fixed mechanism packet One piece of U-shaped flexible fastening piece and two pieces of positioning plates are included, the U-shaped flexible fastening piece is located at middle position on the upside of the recess, institute The open end for stating U-shaped flexible fastening piece is bent and connect with the brush basin bottom plate, and two pieces of positioning plates are fixedly arranged on described respectively On the downside of the both ends of recess, the tail end of the U-shaped flexible fastening piece and the positioning plate is respectively equipped with the buckle protruded inwardly.

Preferably, the position of each installation capacitor of the brush basin bottom plate is respectively equipped with capacitor positioning mechanism, the capacitor Positioning mechanism includes that capacitor body recess, pin locating slot and a pair of of limited post, the pin locating slot are located at the capacitor sheet Body groove both sides, pin locating slot end pass through the pin welding hole that the brush basin bottom plate is equipped with, the limit Column is set to the two sides of pin locating slot end for clamping capacitor pin.

Further, the capacitor body recess is in rectangular-ambulatory-plane, and a side is elastomer and top band anti-retreating hook.

Preferably, flight structure can be used at electrical connection for the axial dimension for making full use of inductance and capacitor, it will The extra height of socket and inserted sheet is dissolved by staggered floor construction, reduces motor overall length.

The utility model has the beneficial effects that:

(1) in the carbon brush component of the utility model, the sediment ejection trough penetrates through entire carbon brush, so that the face between carbon brush and brush carrier Contact is changed to contact close to line, and original reasonable size between carbon brush and brush carrier had not only been kept to cooperate, but also increases carbon brush surface fluting portion Gap point between brush carrier, the sediment ejection trough can accommodate tiny sand and dust and be discharged, can avoid the sand and dust being strayed by carbon brush it is stuck and The failure for causing motor, improves motor reliability significantly.

(2) in the brush carrier assembling assembly of the utility model, inductance fixed mechanism is set in the recess of brush basin bottom plate, as Integral structure, processing consistency are good.And assembly limit is carried out to inductance by inductance fixed mechanism, inductance can be from side when being packed into Face installation, inductance lower part left and right ends can be limited by positioning plate, and top is fixed by U-shaped flexible fastening piece, and U-shaped flexible fastening Fixed inductance circumferencial direction, the tail end of fixinig plate have buckle to piece in a elastomeric manner with positioning plate, can both prevent inductance in butt-joint Or skidded off in transportational process, it not only can be with accurate positioning, but also the space of inductance ontology retrogressing has been reserved, it can avoid assembly and weldering Occur phenomenon of rupture when connecing, while achieving the purpose that not loosen anti-scrap.

(3) in the brush carrier assembling assembly of the utility model, capacitor and pin are assembled by capacitor positioning mechanism Limit, capacitor inlay card block in capacitor body recess and by anti-retreating hook, and pincard is in pin locating slot and by drawing The welding of foot welding hole prevents pin deformation, displacement from deviateing.It can be processed on automatic production line after capacitor and pin are fixed.

(4) in the brush carrier assembling assembly of the utility model, by the design of the flight structure at electrical connection, sufficiently Axial dimension is utilized, the extra height of socket and inserted sheet can be dissolved by staggered floor construction, reduce motor overall length.

Detailed description of the invention

Fig. 1 is the schematic diagram of existing brush basin bottom plate；

Fig. 2 is the schematic diagram of the existing brush basin bottom plate for being equipped with inductance frame；

Fig. 3 is the end view that existing carbon brush is combined with brush carrier；

Fig. 4 is the end view of carbon brush component of the invention；

Fig. 5 is the longitudinal sectional view of carbon brush component of the invention；

Fig. 6 is the front schematic view of brush carrier assembling assembly of the invention；

Fig. 7 is the schematic rear view of brush carrier assembling assembly of the invention；

Fig. 8 is the stereoscopic schematic diagram of brush basin bottom plate of the invention；

Fig. 9 is the schematic top plan view of brush basin bottom plate of the invention；

Figure 10 is the elevational schematic view of brush basin bottom plate of the invention；

Figure 11 is the schematic side view of brush basin bottom plate of the invention；

Figure 12 is the capacitor positioning mechanism partial enlargement diagram of brush basin bottom plate of the invention.

Appended drawing reference

The prior art: diagonal line region 11, recess 12, inductance frame 13, carbon brush 15, brush carrier 14；

The present invention:

Carbon brush component 2, brush carrier 21, grab 211, carbon brush 22, sediment ejection trough 221, pressure spring 23；

Brush basin bottom plate 3: inductance fixed mechanism 31, U-shaped flexible fastening piece 311, positioning plate 312 buckle 311a/312a；

Capacitor positioning mechanism 32, capacitor body recess 321, anti-retreating hook 321a, pin locating slot 322, limited post 323 draw Foot welding hole 324；

Inductance 4, capacitor 5, socket 6.

Specific embodiment

Below in conjunction with specific embodiment, the utility model is described in further detail.It should be understood that following embodiment is only used for Bright the utility model is not for restriction the scope of the utility model.

Embodiment 1

Carbon brush component 2 is a preferred embodiment of the present invention shown in Fig. 4 and Fig. 5 comprising brush carrier 21 and carbon brush 22.Brush carrier 21 be the cylinder of cuboid, and bottom side is set there are two opposite grab 211, and the setting of grab 211 is buckled in brush convenient for brush carrier 21 On basin bottom plate.22 slide fit of carbon brush is equipped with pressure spring 23, the upper side of carbon brush 22 in brush carrier 21 between 21 inner end of brush carrier and carbon brush 22 It is respectively equipped with a sediment ejection trough 221 with the middle position of downside, sediment ejection trough 221 penetrates through entire carbon brush 22.Sediment ejection trough 211 can be protected Card carbon brush energization area be basically unchanged in the case where can in brush carrier Stable sliding, while by the sand and dust being strayed into be discharged, prevent Tiny sand and dust cause stuck.The setting of sediment ejection trough 211 is so that the face contact between carbon brush 22 and brush carrier 21 is changed to contact close to line, both Original reasonable size between carbon brush 22 and brush carrier 21 is kept to cooperate, and between increasing between 22 surface slotted section of carbon brush and brush carrier 21 Gap, sediment ejection trough 221 can accommodate tiny sand and dust and be discharged, and can avoid the sand and dust being strayed into for the mistake that is stuck and causing motor of carbon brush 22 Effect, improves motor reliability significantly.

Embodiment 2

Brush carrier assembling assembly is a preferred embodiment of the present invention shown in Fig. 6 and Fig. 7 comprising brush basin bottom plate 3 and It is arranged in the carbon brush component 2 of inductance 4 above brush basin bottom plate 3, capacitor 5 and embodiment 1.Carbon brush component is arranged in brush basin bottom plate 3 Diagonal line region；Inductance 4 is arranged in the recess that about 3 both sides of brush basin bottom plate are equipped with, and capacitor 5 is arranged in brush basin bottom plate 3 one Side is close to edge.

As shown in Fig. 8~11, two recesses that brush basin bottom plate 3 is used to assemble inductance are respectively equipped with inductance fixed mechanism 31, Inductance fixed mechanism 31 includes one piece of U-shaped flexible fastening piece 311 and two pieces of positioning plates 312, and U-shaped flexible fastening piece 311 is located at recessed Middle position on the upside of mouthful, the open end of U-shaped flexible fastening piece, which is bent, simultaneously to be connect with brush basin bottom plate, and two pieces of positioning plates 312 are solid respectively On the downside of the both ends of recess, the tail end of U-shaped flexible fastening piece 311 and positioning plate 312 is respectively equipped with the buckle protruded inwardly 311a and 312a.

The position that the side of brush basin bottom plate is located at each installation capacitor is respectively equipped with capacitor positioning mechanism 32, such as Figure 12 institute Show, capacitor positioning mechanism 32 includes capacitor body recess 321, pin locating slot 322 and a pair of of limited post 323.321 capacitor ontologies Groove is in rectangular-ambulatory-plane, and a side is elastomer and top band anti-retreating hook 321a.Pin locating slot 322 is located at capacitor body recess 321 both sides, 322 end of pin locating slot pass through the pin welding hole 324 that brush basin bottom plate is equipped with, and limited post 323 is set to pin The two sides of 322 end of locating slot are for clamping capacitor pin.

Preferably, (socket is touched with positive and negative anodes harness at electrical connection for the axial dimension for making full use of inductance and capacitor At weldering) be equipped with lifting ladder 33, being lifted is negative line beam butt-joint area above 33 one end of ladder, lifting ladder 33 below for socket and Anode wiring harness butt-joint area.

In the present invention, brush basin bottom plate 3 and inductance fixed mechanism 31 are an integral structure, and processing consistency is good.And inductance 4 fills Fashionable to install from side, 4 lower part left and right ends of inductance can be limited by positioning plate 312, and top is consolidated by U-shaped flexible fastening piece 311 It is fixed, and fixed inductance circumferencial direction, the tail end of fixinig plate have U-shaped flexible fastening piece 311 in a elastomeric manner with positioning plate 312 Buckle, both can prevent inductance from skidding off in butt-joint or transportational process, not only can be with accurate positioning, but also after having reserved inductance ontology The space moved back can avoid phenomenon of rupture occur when assembly and welding, while achieve the purpose that not loosen anti-scrap.

5 inlay card of capacitor blocks in capacitor body recess 321 and by anti-retreating hook 321a, and pincard is embedded in pin locating slot It is welded in 322 and by pin welding hole 324, prevents pin deformation, displacement from deviateing.After capacitor and pin are fixed can it is complete from It is processed on dynamic production line.

And it is lifted the design of ladder 33, axial dimension is taken full advantage of, the extra height of socket and resistance inserted sheet can be led to Staggered floor structuring solution is crossed, motor overall length is reduced.It is lifted ladder 33 simultaneously as partition, can avoid galvano-cautery.In addition, lifting ladder 33 both ends can also increase ground connection effective area, improve electromagnetism anti-interference ability.

The preferred embodiment of the present invention has been described in detail above, but the invention is not limited to implement Example, those skilled in the art are without prejudice to can also make various equivalent modifications under precondition for innovation of the present invention or replace It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (4)

1. a kind of carbon brush component comprising carbon brush and brush carrier, the brush carrier are the cylinder of cuboid, and the carbon brush slide fit is in institute It states in brush carrier, which is characterized in that pressure spring is equipped between the brush carrier inner end and the carbon brush, the side of the carbon brush is equipped with several Sediment ejection trough, the sediment ejection trough penetrate through entire carbon brush.

2. carbon brush component as described in claim 1, which is characterized in that the sediment ejection trough is equipped with two, is respectively arranged on the carbon The upper side of brush and the middle position of downside.

3. carbon brush component as described in claim 1, which is characterized in that the brush carrier bottom side is set there are two opposite grab.

4. a kind of brush carrier assembling assembly comprising brush basin bottom plate and inductance, the capacitor for being arranged in the brush basin substrate With the described in any item carbon brush components of claims 1 to 3.