CN209233121U - A kind of commutator for starting motor of automobile - Google Patents

Abstract

The utility model discloses a kind of commutators for starting motor of automobile, including commutator, the lower end surface of the commutator is fixedly connected with ring-type fixing plate, the lower end surface of the ring-type fixing plate is equipped with annular connecting plate, the lower surface of the annular connecting plate has been placed equidistant with ventilation hole, accommodating chamber is equipped in the annular connecting plate, the side wall of the accommodating chamber is equipped with feed opening, threaded block is threaded on the side wall of the feed opening, and coolant liquid is injected in accommodating chamber, radiator shutter is evenly distributed on the lateral wall of the annular connecting plate, the small end of the radiator shutter is fixedly connected on the side wall of commutator；The utility model can be improved the radiating efficiency of motor, ensure the service life of motor to a certain extent, while also ensure the use quality of commutator, and it is convenient to bring to user.

Description

A kind of commutator for starting motor of automobile

Technical field

The utility model relates to a kind of commutator, specially a kind of commutator for starting motor of automobile.

Background technique

Commutator is direct current generator, commutates as electric current on A.C. series motor, in order to allow motor persistently to turn The component moved down, is commonly called as commutator；In structure, it is round that commutator is that several contact chips surround, and is separately connected on rotor Each contact, two electrodes of outside connection are known as brush and contact, while only contacting two therein, and principle is, when After coil passes through electric current, it can be rotated by attracting with repulsive force under the action of permanent magnet, be balanced when it goes to magnet When, led to the contact that electric line corresponds on commutator originally and was just separated with brush, and brush is connected to and meets generation promotion On the corresponding contact of that group of coil of power, ceaselessly repeat down in this way, dc motor is just turned over；However existing use Typically just have the function of starting motor in the commutator of starting motor of automobile, it is difficult to the radiating efficiency for improving motor, due to For commutator when driving motor operating, motor can generate a large amount of heat in the running, and the heat assembled inside motor is more, no The service life of motor can be only reduced, the normal operation of commutator is also influenced, can also reduce the use of commutator to a certain extent Service life brings inconvenience to user, thus it is proposed that a kind of commutator for starting motor of automobile is above-mentioned for solving Problem.

Utility model content

The purpose of this utility model is to provide a kind of commutators for starting motor of automobile, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of commutation for starting motor of automobile Device, including commutator, the lower end surface of the commutator are fixedly connected with ring-type fixing plate, the lower end surface peace of the ring-type fixing plate Equipped with annular connecting plate, the lower surface of the annular connecting plate has been placed equidistant with ventilation hole, is equipped with and holds in the annular connecting plate Receive chamber, the side wall of the accommodating chamber is equipped with feed opening, is threaded with threaded block, and accommodating chamber on the side wall of the feed opening It is inside injected with coolant liquid, radiator shutter, the small end of the radiator shutter are evenly distributed on the lateral wall of the annular connecting plate It is fixedly connected on the side wall of commutator.

Preferably, the commutator includes phenolic moulding powder matrix and multi-disc commutation copper sheet, and the phenolic moulding powder matrix is cylindrical, Commutation copper sheet described in multi-disc is evenly distributed on the outside of phenolic moulding powder matrix.

Preferably, the annular connecting plate is fixedly connected on the lower surface of ring-type fixing plate by four fastening bolts, and The lower surface of annular connecting plate is set there are four circular through hole, and the upper end of the fastening bolt passes through circular through hole and is threaded in On ring-type fixing plate.

Preferably, accommodating chamber is equidistantly equipped in the annular connecting plate, multiple accommodating chambers are distributed in a ring, and two It is connected between accommodating chamber by strip through-hole, and strip through-hole is located between two ventilation holes and is distributed in a ring.

Preferably, the side wall of multiple one of accommodating chambers of the accommodating chamber is equipped with feed opening, the side of the feed opening Wall is equipped with internal screw thread, and the side wall of the threaded block is equipped with external screw thread, and the external screw thread is matched with internal screw thread, and threaded block An end face be fixedly connected with rotating block, the side wall of the rotating block is in contact with the lateral wall of annular connecting plate.

Compared with prior art, the utility model has the beneficial effects that by the way that radiator shutter is arranged in the downside of commutator, Annular connecting plate is arranged by one end of radiator shutter in the radiating efficiency that can be improved commutator, convenient for the rotation of radiator shutter, By the way that fastening bolt is arranged on annular connecting plate, convenient for the fixation and disassembly of annular connecting plate, by annular connecting plate Coolant liquid is injected, the radiating efficiency of commutator can be further improved, by being equipped with feed opening on annular connecting plate, is convenient for Replacement to coolant liquid, by the way that threaded block is arranged on feed opening, convenient for the closing of feed opening；It is this to be used for starting motor of automobile Commutator can be improved the radiating efficiency of motor, ensured the service life of motor to a certain extent, while also having ensured and having changed To the use quality of device, it is convenient to bring to user.

Detailed description of the invention

Fig. 1 is the utility model perspective view；

Fig. 2 is the utility model front schematic diagram of internal structure；

Fig. 3 is the overlooking surface inner connecting structure schematic diagram of annular connecting plate and blade in the utility model；

Fig. 4 is the partial enlargement structural representation in Fig. 3 at A.

In figure: 1 commutator, 11 phenolic moulding powder matrixes, 12 commutation copper sheets, 2 ring-type fixing plates, 3 annular connecting plates, 301 accommodate Chamber, 3011 strip through-holes, 302 feed openings, 303 circular through holes, 304 ventilation holes, 31 fastening bolts, 4 threaded blocks, 41 rotating blocks, 5 Coolant liquid, 6 radiator shutters.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of commutator for starting motor of automobile, Including commutator 1, concretely, commutator 1 includes phenolic moulding powder matrix 11 and multi-disc commutation copper sheet 12, and phenolic moulding powder matrix 11 is in circle Cylindricality, multi-disc commutation copper sheet 12 are evenly distributed on the outside of phenolic moulding powder matrix 11, and the lower end surface of commutator 1 is fixedly connected with ring Shape fixed plate 2, the lower end surface of ring-type fixing plate 2 are equipped with annular connecting plate 3, and concretely, annular connecting plate 3 is tight by four Fixing bolt 31 is fixedly connected on the lower surface of ring-type fixing plate 2, and the lower surface of annular connecting plate 3 sets that there are four circular through holes 303, the upper end of fastening bolt 31 passes through circular through hole 303 and is threaded on ring-type fixing plate 2, is convenient for annular connecting plate 3 It is fixedly connected on the lower surface of ring-type fixing plate 2, the lower surface of annular connecting plate 3 has been placed equidistant with ventilation hole 304.

It is equipped with accommodating chamber 301 in annular connecting plate 3, concretely, accommodating chamber 301 is equidistantly equipped in annular connecting plate 3, it is more A accommodating chamber 301 is distributed in a ring, and is connected between two accommodating chambers 301 by strip through-hole 3011, and strip through-hole 3011 are located between two ventilation holes 304 and are distributed in a ring, and the side wall of accommodating chamber 301 is equipped with feed opening 302, feed opening Threaded block 4 is threaded on 302 side wall, concretely, on the side wall of the one of accommodating chamber 301 of multiple accommodating chambers 301 Equipped with feed opening 302, the side wall of feed opening 302 is equipped with internal screw thread, and the side wall of threaded block 4 is equipped with external screw thread, external screw thread with Internal screw thread matches, and an end face of threaded block 4 is fixedly connected with rotating block 41, the side wall and annular connecting plate 3 of rotating block 41 Lateral wall be in contact, convenient for closing to feed opening 302, and coolant liquid 5 is injected in accommodating chamber 301, annular connecting plate 3 Lateral wall on be evenly distributed with radiator shutter 6, the small end of radiator shutter 6 is fixedly connected on the side wall of commutator 1.

Working principle: the utility model in use, by any means known in the prior art installs commutator 1 It is fixed on rotor, when commutator 1 rotates, will drive the rotation of radiator shutter 6, thus inside motor locating for commutator 1 Air circulation, to improve the radiating efficiency of motor locating for commutator 1, and the coolant liquid 5 in annular connecting plate 3 can drop Temperature around low annular connecting plate 3, so that the temperature inside motor is further reduced, when needing in annular connecting plate 3 Coolant liquid 5 when being replaced, rotate fastening bolt 31, remove annular connecting plate 3, be rotated further by rotating block 41, open annular even Feed opening 302 on fishplate bar 3 and by feed opening 302 downward, the coolant liquid 5 in annular connecting plate 3 is poured out, annular connecting plate is worked as After coolant liquid 5 in 3 is all poured out, annular connecting plate 3 is overturn, so that the feed opening 302 on annular connecting plate 302 is upward, and Other objects such as funnel injects new coolant liquid 5 in the accommodating chamber 301 in annular connecting plate 3.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of commutator for starting motor of automobile, including commutator (1), it is characterised in that: under the commutator (1) End face is fixedly connected with ring-type fixing plate (2), and the lower end surface of the ring-type fixing plate (2) is equipped with annular connecting plate (3), described The lower surface of annular connecting plate (3) has been placed equidistant with ventilation hole (304), and accommodating chamber is equipped in the annular connecting plate (3) (301), the side wall of the accommodating chamber (301) is equipped with feed opening (302), is threadedly coupled on the side wall of the feed opening (302) Have threaded block (4), and be injected with coolant liquid (5) in accommodating chamber (301), is uniformly divided on the lateral wall of the annular connecting plate (3) It is furnished with radiator shutter (6), the small end of the radiator shutter (6) is fixedly connected on the side wall of commutator (1).

2. a kind of commutator for starting motor of automobile according to claim 1, it is characterised in that: the commutator It (1) include phenolic moulding powder matrix (11) and multi-disc commutation copper sheet (12), the phenolic moulding powder matrix (11) is cylindrical, changes described in multi-disc It is evenly distributed on the outside of phenolic moulding powder matrix (11) to copper sheet (12).

3. a kind of commutator for starting motor of automobile according to claim 1, it is characterised in that: the annular connection Plate (3) is fixedly connected on the lower surface of ring-type fixing plate (2) by four fastening bolts (31), and under annular connecting plate (3) Surface is set there are four circular through hole (303), and the upper end of the fastening bolt (31) passes through circular through hole (303) and is threaded in On ring-type fixing plate (2).

4. a kind of commutator for starting motor of automobile according to claim 1, it is characterised in that: the annular connection Equidistantly be equipped with accommodating chamber (301) in plate (3), multiple accommodating chambers (301) are distributed in a ring, and two accommodating chambers (301) it Between be connected by strip through-hole (3011), and strip through-hole (3011) is located between two ventilation holes (304) and divides in a ring Cloth.

5. a kind of commutator for starting motor of automobile according to claim 1 or 4, it is characterised in that: multiple described The side wall of accommodating chamber (301) one of accommodating chamber (301) is equipped with feed opening (302), on the side wall of the feed opening (302) Equipped with internal screw thread, the side wall of the threaded block (4) is equipped with external screw thread, and the external screw thread is matched with internal screw thread, and threaded block (4) a end face is fixedly connected with rotating block (41), the lateral wall phase of the side wall and annular connecting plate (3) of the rotating block (41) Contact.