CN208272802U - A kind of brush basin bottom plate - Google Patents

Abstract

The utility model discloses a kind of brush basin bottom plates, its two recess for being used to assemble inductance is respectively equipped with inductance fixed mechanism, the inductance fixed mechanism includes one piece of U-shaped flexible fastening piece and two pieces of positioning plates, the U-shaped flexible fastening piece is located at middle position on the upside of the recess, the open end of the U-shaped flexible fastening piece is bent and connect with the brush basin bottom plate, two pieces of positioning plates are fixedly arranged on respectively on the downside of the both ends of the recess, and the tail end of the U-shaped flexible fastening piece and the positioning plate is respectively equipped with the buckle protruded inwardly.The inductance fixed mechanism is an integral structure with brush basin bottom plate, not only processing consistency is good, and wherein U-shaped flexible fastening piece and positioning plate fixed inductance circumferencial direction in a elastomeric manner, the tail end of fixinig plate has buckle, both it can prevent inductance from skidding off in butt-joint or transportational process, not only can be with accurate positioning, but also the space of inductance ontology retrogressing has been reserved, it can avoid phenomenon of rupture occur when assembly and welding.

Description

A kind of brush basin bottom plate

Technical field

The utility model belongs to technical field of motors, and in particular to a kind of brush basin bottom plate.

Background technique

Existing brush basin bottom plate is as shown in Figure 1 or 2, can arrange the electrical components such as inductance, capacitor, carbon brush above.Its In, according to the orientation in Fig. 1, the diagonal line region 11 of brush basin bottom plate can be arranged symmetrically four brushes, upper and lower both sides by brush carrier Recess 12 can arrange two inductance, and the side region (in figure right side) between diagonal line region 11 is at electrical connection 13, for arranging socket and positive and negative anodes harness butt-joint.Compared to brush basin bottom plate shown in FIG. 1, electricity is equipped at the recess 12 in Fig. 2 Feel frame 121 and is used for fixed inductance.

With the continuous renewal and product flattening of user trial validation criteria, existing brush basin bottom plate cannot be fully met It is required that the main problems are as follows:

(1) 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 121, can solve processing consistency difference Problem, but the inductance frame designs for integral type, inductance is installed perpendicular to brush basin bottom plate, after not considering inductance butt-joint, inductance The factor that ontology is displaced outwardly, this inductance frame stress for making elasticity bad is easy to appear fracture, and then leads to whole part report It is useless.

(2) there is no partition between positive and negative anodes, easily cause galvano-cautery.

(3) axial space utilization rate is low at electrical connection, and socket and the installation of resistance inserted sheet cause extra height, leads to motor It is thicker.

Therefore in view of the above-mentioned problems, being badly in need of optimizing the assembling structure of brush basin bottom plate or itself and electrical component.

Utility model content

For brush basin bottom plate in the prior art without inductor fixing apparatus and caused by processing consistency difference or inductance set up Count it is unreasonable and the technical issues of be easily broken off, the purpose of this utility model is to provide a kind of brush basin bottom plate, the brush basin bottom Plate is equipped with the inductance fixed structure of integral type, and processing consistency is good, and has the fracture of the avoidable fixed structure of certain elasticity.

The utility model is achieved through the following technical solutions:

In the brush basin bottom plate of the utility model, two recesses for being used to assemble inductance are respectively equipped with inductance fixed mechanism, The inductance fixed mechanism includes one piece of U-shaped flexible fastening piece and two pieces of positioning plates, and the U-shaped flexible fastening piece is located at described recessed Middle position on the upside of mouthful, the open end of the U-shaped flexible fastening piece is bent simultaneously to be connect, two pieces of positioning with the brush basin bottom plate Plate is fixedly arranged on respectively on the downside of the both ends of the recess, the tail end of the U-shaped flexible fastening piece and the positioning plate be respectively equipped with to The buckle of inside protrusion.

Preferably, the position that the side of the brush basin bottom plate is located at each installation capacitor is respectively equipped with capacitor positioning mechanism, The capacitor positioning mechanism includes capacitor body recess, pin locating slot and two pairs of limited posts, and the pin locating slot is located at institute Capacitor body recess both sides are stated, pin locating slot end passes through the pin welding hole that the brush basin bottom plate is equipped with, described Limited post 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, to make full use of the axial dimension of inductance and capacitor, socket and positive and negative is arranged in brush basin bottom plate side The region of polar curve beam is equipped with lifting ladder, anode wiring harness and the difference butt-joint of cathode harness in the upper and lower sides of the lifting ladder.Lift It rises ladder and obtains extra height control and assembled in safe range in motor and do not interfere with other components, reach and shorten motor overall length Purpose, while being lifted ladder as partition, can avoid galvano-cautery.In addition, the lifting ladder both ends, which can also increase ground connection, to be had Area is imitated, electromagnetism anti-interference ability is improved.

The utility model has the beneficial effects that:

(1) in the utility model, assembly limit is carried out to inductance by inductance fixed mechanism, inductance can be from side when being packed into 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 piece Fixed inductance circumferencial direction, the tail end of fixinig plate have buckle in a elastomeric manner with positioning plate, can both prevent inductance in butt-joint or It is skidded off in transportational process, not only can be with accurate positioning, but also the space of inductance ontology retrogressing has been reserved, it can avoid assembly and welding When there is phenomenon of rupture, while achieving the purpose that not loosen anti-scrap.The inductance fixed mechanism and brush basin bottom plate are integral type knot Structure, processing consistency is good,

(2) in the utility model, assembly limit is carried out to capacitor and pin by capacitor positioning mechanism, capacitor inlay card is in electricity Hold in body recess and blocked by anti-retreating hook, pincard is welded in pin locating slot and through pin welding hole, is prevented Pin deformation, displacement deviate.It can be processed on automatic production line after capacitor and pin are fixed.

(3) in the utility model, by the design of the flight structure at electrical connection, axial dimension is taken full advantage of, The extra height of socket and inserted sheet can be dissolved by staggered floor construction, reduce motor overall length, while being lifted ladder as partition, it can Avoid galvano-cautery.In addition, the lifting ladder both ends can also increase ground connection effective area, improve electromagnetism anti-interference ability.

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 stereoscopic schematic diagram of the brush basin bottom plate of the utility model

Fig. 4 is the schematic top plan view of the brush basin bottom plate of the utility model；

Fig. 5 is the elevational schematic view of the brush basin bottom plate of the utility model；

Fig. 6 is the schematic side view of the brush basin bottom plate of the utility model；

Fig. 7 is the capacitor positioning mechanism partial enlargement diagram of the brush basin bottom plate of the utility model；

Fig. 8 is the schematic top plan view that the brush basin bottom plate of the utility model assembles；

Fig. 9 is the elevational schematic view that the brush basin bottom plate of the utility model assembles.

Appended drawing reference

The prior art: diagonal line region 11, recess 12,13 at electrical connection, inductance frame 121；

The utility model: inductance fixed mechanism 14, U-shaped flexible fastening piece 141, positioning plate 142 buckle 141a/142a；Electricity Hold positioning mechanism 15, capacitor body recess 151, anti-retreating hook 151a, pin locating slot 152, limited post 153, pin welding hole 154；It is lifted ladder 16；

Brush 2, inductance 3, capacitor 4, socket 5.

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

Fig. 3~6 show the brush basin bottom plate of one preferred embodiment of the utility model.Wherein, for assembling two of inductance Recess is respectively equipped with inductance fixed mechanism 14, and inductance fixed mechanism 14 includes one piece of U-shaped flexible fastening piece 141 and two pieces of positioning plates 142, U-shaped flexible fastening piece 141 is located at middle position on the upside of recess, the open end bending of U-shaped flexible fastening piece and with brush basin bottom Plate connection, two pieces of positioning plates 142 are fixedly arranged on respectively on the downside of the both ends of recess, the tail of U-shaped flexible fastening piece 141 and positioning plate 142 End is respectively equipped with the buckle 141a and 142a protruded inwardly.

The position that the side of brush basin bottom plate is located at each installation capacitor is respectively equipped with capacitor positioning mechanism 15, as shown in fig. 7, Capacitor positioning mechanism 15 includes capacitor body recess 151, pin locating slot 152 and two pairs of limited posts 153.151 capacitor ontologies are recessed Slot is in rectangular-ambulatory-plane, and a side is elastomer and top band anti-retreating hook 151a.Pin locating slot 152 is located at capacitor body recess 151 Both sides, 152 end of pin locating slot pass through the pin welding hole 154 that brush basin bottom plate is equipped with, and limited post 153 is positioned set on pin The two sides of 152 end of slot are for clamping capacitor pin.

Preferably, socket and positive and negative polar curve are arranged in brush basin bottom plate side for the axial dimension for making full use of inductance and capacitor The region of beam is equipped with lifting ladder 16, and being lifted is negative line beam butt-joint area above 16 one end of ladder, and lifting ladder 16 is below slotting Seat and anode wiring harness butt-joint area.

Fig. 8 and Fig. 9 show the brush basin bottom plate of assembly brush 2, inductance 3 and capacitor 4.Wherein,

Inductance 3 can be installed when being packed into from side, and 3 lower part left and right ends of inductance can be limited by positioning plate 142, and top is by U-shaped Flexible fastening piece 141 is fixed, and U-shaped flexible fastening piece 141 and positioning plate 142 fixed inductance circumference side in a elastomeric manner To, the tail end of fixinig plate has buckle, both can prevent inductance from skidding off in butt-joint or transportational process, not only can with accurate positioning, and And the space of inductance ontology retrogressing has been reserved, it can avoid phenomenon of rupture occur when assembly and welding, while reaching and not loosening anti-report Useless purpose.

4 inlay card of capacitor blocks in capacitor body recess 151 and by anti-retreating hook 151a, and pincard is embedded in pin locating slot It is welded in 152 and by pin welding hole 154, prevents pin deformation, displacement from deviateing.After capacitor and pin are fixed can it is complete from It is processed on dynamic production line.

Socket 5 is mounted below lifting ladder 16, axial dimension is taken full advantage of, by the volume of socket 5 and resistance inserted sheet Outer height by staggered floor construction dissolve, lifting ladder 16 obtain extra height control motor assembly safe range in and other Components are not interfered, and achieve the purpose that shorten motor overall length, while being lifted ladder 16 as partition, can avoid galvano-cautery.In addition, Lifting 16 both ends of ladder can also increase ground connection effective area, improve electromagnetism anti-interference ability.

The preferred embodiment created to the utility model above is illustrated, but the utility model is created not It is limited to embodiment, those skilled in the art are various etc. without prejudice to can also make under the utility model precondition for innovation Same variation or replacement, 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 brush basin bottom plate, which is characterized in that its two recess for being used to assemble inductance is respectively equipped with inductance fixed mechanism, institute Stating inductance fixed mechanism includes one piece of U-shaped flexible fastening piece and two pieces of positioning plates, and the U-shaped flexible fastening piece is located at the recess The open end in upside middle position, the U-shaped flexible fastening piece is bent and connect with the brush basin bottom plate, two pieces of positioning plates It is fixedly arranged on the downside of the both ends of the recess respectively, the tail end of the U-shaped flexible fastening piece and the positioning plate is respectively equipped with inwardly The buckle of side protrusion.

2. brush basin bottom plate as described in claim 1, which is characterized in that the side of the brush basin bottom plate is located at each installation capacitor Position be respectively equipped with capacitor positioning mechanism, the capacitor positioning mechanism includes capacitor body recess, pin locating slot and two pairs Limited post, the pin locating slot are located at capacitor body recess both sides, and pin locating slot end passes through the brush basin The pin welding hole that bottom plate is equipped with, the two sides that the limited post is set to pin locating slot end are drawn for clamping capacitor Foot.

3. brush basin bottom plate as claimed in claim 2, which is characterized in that the capacitor body recess is in rectangular-ambulatory-plane, and a side is Elastomer and top band anti-retreating hook.

4. brush basin bottom plate as described in claim 1, which is characterized in that socket and positive and negative polar curve are arranged in brush basin bottom plate side The region of beam is equipped with lifting ladder；Anode wiring harness and the difference butt-joint of cathode harness are in the upper and lower sides of the lifting ladder.