CN207490655U - A kind of continuous type braking automobile power-assisted pump motor - Google Patents
A kind of continuous type braking automobile power-assisted pump motor Download PDFInfo
- Publication number
- CN207490655U CN207490655U CN201721418169.4U CN201721418169U CN207490655U CN 207490655 U CN207490655 U CN 207490655U CN 201721418169 U CN201721418169 U CN 201721418169U CN 207490655 U CN207490655 U CN 207490655U
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- China
- Prior art keywords
- middle cover
- end cap
- stator
- brush pot
- rotor
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Abstract
The utility model discloses a kind of continuous type braking automobile power-assisted pump motors, are related to technical field of motors；Including end cap, stator and rotor, end cap is fixed on one end of stator；Rotor is arranged on stator interior, and rotor is provided centrally with a shaft, and one end of the shaft is rotatably arranged on stator, and the through-hole for passing through the shaft other end is provided on end cap；End cap includes middle cover, and the one side upper edge through-hole of middle cover towards rotor is symmetrically arranged with two brush pot fixed bits, is arranged with a metal brush pot in each brush pot fixed bit respectively, metal brush pot has perforative mounting hole, and a carbon brush is movably installed in mounting hole；The material of middle cover is bakelite, and the material of metal brush pot is brass；The beneficial effects of the utility model are：It solves the problems, such as that middle cover softens and melts under high temperature environment, improves the heat resistance of motor, realize motor long time continuous working；By the design of convex block and locating notch, the positioning accuracy of metal brush pot is improved.
Description
Technical field
The utility model is related to technical field of motors, more specifically, the utility model is related to a kind of continuous type
Braking automobile power-assisted pump motor.
Background technology
Vacuum pump in automobile brake boosting system is mainly used for providing vacuum, auxiliary brake, and brake power-assisted pump motor is
The vital part of vacuum pump.Vacuum pump is short-term operation under normal circumstances, but when automobile needs long under certain particular surroundings
Between brake, motor is in continuous duty, and the motor feels hot and vacuum pump vanes and housing mechanical friction fever are serious, in motor
Portion's temperature may be up to 300 DEG C, and the middle cover of common thermoplastic's engineering plastics easily occurs the deformation of creep and even melts, and leads to motor brush pot
Size and position, which change, eventually leads to motor performance variation even failure, and there are very big security risks.
Invention content
For overcome the deficiencies in the prior art, the utility model provides a kind of continuous type braking automobile boost pump electricity
Machine, the motor with long time continuous working, can substantially increase the temperature capacity of motor.
Technical solution is used by the utility model solves its technical problem：A kind of continuous type braking automobile helps
Power pump motor, thes improvement is that：Including end cap, stator and rotor, the end cap is fixed on one end of stator；
The rotor is arranged on stator interior, and rotor is provided centrally with a shaft, and one end of the shaft is rotatably arranged on
On stator, the through-hole for passing through the shaft other end is provided on the end cap；
The end cap includes middle cover, and the one side upper edge through-hole of middle cover towards the rotor is symmetrically arranged with two brush pots
Fixed bit is arranged with a metal brush pot in each brush pot fixed bit respectively, and the metal brush pot has perforative mounting hole, and pacifies
Dress is movably installed with a carbon brush in hole；The material of the middle cover is bakelite, and the material of the metal brush pot is brass.
In such a configuration, constant force spring is additionally provided on the end cap, which includes limit in a ring
Position portion and the positive stop hook being connected on limiting section, the limiting are hooked on the metal brush pot, and the limiting section abuts against
On the carbon brush, position of the carbon brush in metal brush pot is defined.
In such a configuration, on the carbon brush also there is carbon brush pigtail, be provided with what is outwardly protruded on the middle cover
Top plate, the top of the carbon brush pigtail are resisted against on the top plate.
In such a configuration, the end cap further includes shell, and the middle cover is set in shell；
Pcb board is additionally provided in the middle cover, conducting wire is connected on the shell, the conducting wire and the pcb board
It is electrically connected.
In such a configuration, multiple screw holes are provided on the shell, by locking screw, stator is fixed on
The side of the shell.
The beneficial effects of the utility model are：Middle cover is made of the bakelite of thermosets, solves middle cover in high temperature
The problem of softening and melt under environment, having ensured brush pot, dimensional accuracy and positional precision are unaffected under high temperature environment, significantly
The heat resistance of motor is improved, realizes motor long time continuous working；Metal brush pot is embedded in brush pot fixed bit, by convex
The design of block and locating notch improves the positioning accuracy of metal brush pot；In addition, by the design of constant force spring and carbon brush pigtail,
Make carbon brush that can be in close contact at any time with shaft, avoid open circuit between carbon brush and shaft, improve the biography of electric signal
Semen deposition degree.
Description of the drawings
Fig. 1 is a kind of front view of continuous type braking automobile power-assisted pump motor of the utility model.
Fig. 2 is a kind of half sectional view of continuous type braking automobile power-assisted pump motor of the utility model.
Fig. 3 is a kind of middle cover internal structure signal of continuous type braking automobile power-assisted pump motor of the utility model
Figure.
Fig. 4 is that a kind of detonation configuration of the middle cover of continuous type braking automobile power-assisted pump motor of the utility model shows
It is intended to.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
The technique effect of the design of the utility model, concrete structure and generation is carried out below with reference to embodiment and attached drawing
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is the part of the embodiment rather than whole embodiments of the utility model, the embodiment based on the utility model, the skill of this field
The other embodiment that art personnel are obtained without creative efforts belongs to the model of the utility model protection
It encloses.In addition, all connection/connection relations arrived involved in patent, not singly refer to component and directly connect, and refer to can be according to specific
Performance, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each skill in the utility model creation
Art feature, can be with combination of interactions under the premise of not conflicting conflict.
Referring to figs. 1 to shown in Fig. 4, the utility model discloses a kind of continuous type braking automobile power-assisted pump motor,
Specifically, including including end cap 10, stator 20 and rotor 30, the end cap 10 includes shell 101 and middle cover 102, described
Middle cover 102 is located inside shell 101, and the end cap 10 is fixed on one end of stator 20, and multiple screws are provided on shell 101
Stator 20 by locking screw, is fixed on the side of the shell 101 by hole 1011.The rotor 30 is provided centrally with one
Shaft 40, one end of the shaft 40 is rotatably arranged on stator 20, generally, one end of shaft 40 is fixed in bearing, bearing
It is fixed in stator 20, rotor 30 is made to be rotated relative to stator 20；It is both provided with and is used on the shell 101 and middle cover 102
The through-hole 50 for passing through 40 other end of shaft, for the concrete structure of stator 20 and rotor 30, is not described in detail herein.
Further, as shown in Figure 3, Figure 4, the one side upper edge through-hole 50 of the middle cover 102 towards rotor 30 is symmetrically set
It puts there are two brush pot fixed bit 1021, a metal brush pot 1022, the brush pot is arranged with respectively in each brush pot fixed bit 1021
It is provided with convex block on fixed bit 1021, corresponding on the metal brush pot 1022 to be provided with locating notch, the convex block is caught in
In the locating notch of metal brush pot 1022, so as to which deviation occurs in the position for preventing metal brush pot 1022, positioning accuracy is improved；It is described
Metal brush pot 1022 on have perforative mounting hole, so as to form the perforative structure in both ends, the material of the metal brush pot 1022
For brass, heat dissipation can be quickly realized；A carbon brush 1023, carbon brush 1023 are movably installed in the mounting hole of metal brush pot 1022
It can be moved in the mounting hole of metal brush pot 1022；In the present embodiment, the material of the middle cover 102 is bakelite, in electricity
When machine work long hours work, the raising of temperature will not make the situation that middle cover 102 occurs softening and melt.
In addition, being additionally provided with constant force spring 1024 on the end cap 10, which includes limit in a ring
Position portion 1025 and the positive stop hook 1026 being connected on limiting section 1025, the positive stop hook 1026 hang over the metal brush pot 1022
On, the limiting section 1025 is acted against on the carbon brush 1023, to position of the carbon brush 1023 in metal brush pot 1022 into
Row limits；When rotor 30 rotates, two carbon brush 1023 contact respectively with commutator, the transmission of electric signal are realized, due to constant force
The presence of spring 1024 makes carbon brush 1023 that can be contacted at any time with commutator, improves the transmission precision of electric signal.
Further, it as shown in figure 4, also having carbon brush pigtail 1027 on the carbon brush 1023, is provided on the middle cover 102 outward
The top plate 1028 of protrusion is provided with a v notch v 1029 on the metal brush pot 1022, and the carbon brush pigtail 1027 is lacked from bar shaped
It stretches out, and is resisted against on the top plate 1028 in mouth 1029, the design of this structure makes carbon brush 1023 obtain towards through-hole 50
The power in direction, likewise, promoting carbon brush 1023 that can be adjacent to shaft 40 when shaft 40 rotates.As shown in figure 3, the middle cover
Pcb board 103 is additionally provided in 102, conducting wire 104 is connected on the shell 101, the conducting wire 104 and the pcb board 103
It is electrically connected.
By above-mentioned structure, such continuous type braking automobile power-assisted pump motor of the utility model, middle cover 102
It is made of the bakelite of thermosets, solves the problems, such as that middle cover 102 softens and melts under high temperature environment, ensured brush pot
Dimensional accuracy and positional precision are unaffected under high temperature environment, substantially increase the heat resistance of motor, when realizing that motor is long
Between continuous work；Metal brush pot 1022 is embedded in brush pot fixed bit 1021, by the design of convex block and locating notch, is improved
The positioning accuracy of metal brush pot 1022；In addition, by the design of constant force spring 1024 and carbon brush pigtail 1027, make carbon brush 1023 in office
When waiting can contact with commutator, avoid open circuit between carbon brush 1023 and shaft 40, improve the transmission precision of electric signal.
It is the preferable of the utility model to be implemented to be illustrated, but the utility model creation is not limited to institute above
Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation is replaced, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of continuous type braking automobile power-assisted pump motor, it is characterised in that：Including end cap, stator and rotor, institute
State one end that end cap is fixed on stator；
The rotor is arranged on stator interior, and rotor is provided centrally with a shaft, and one end of the shaft is rotatably arranged on stator
On, the through-hole for passing through the shaft other end is provided on the end cap；
The end cap includes middle cover, and the one side upper edge through-hole of middle cover towards the rotor is symmetrically arranged with two brush pots and fixes
, a metal brush pot is arranged in each brush pot fixed bit respectively, the metal brush pot has perforative mounting hole, and mounting hole
Inside it is movably installed with a carbon brush；The material of the middle cover is bakelite, and the material of the metal brush pot is brass.
2. a kind of continuous type braking automobile power-assisted pump motor according to claim 1, it is characterised in that：Described
Constant force spring is additionally provided on end cap, which includes limiting section in a ring and the positive stop hook being connected on limiting section,
The limiting is hooked on the metal brush pot, and the limiting section is acted against on the carbon brush, to carbon brush in metallic brush
Position in cylinder is defined.
3. a kind of continuous type braking automobile power-assisted pump motor according to claim 2, it is characterised in that：Described
On carbon brush also there is carbon brush pigtail, be provided with the top plate outwardly protruded on the middle cover, the top of the carbon brush pigtail is resisted against
On the top plate.
4. a kind of continuous type braking automobile power-assisted pump motor according to claim 1, it is characterised in that：Described
End cap further includes shell, and the middle cover is set in shell；
Pcb board is additionally provided in the middle cover, conducting wire is connected on the shell, the conducting wire and the pcb board are electrical
Connection.
5. a kind of continuous type braking automobile power-assisted pump motor according to claim 4, it is characterised in that：Described
Multiple screw holes are provided on shell, by locking screw, stator is fixed on to the side of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418169.4U CN207490655U (en) | 2017-10-30 | 2017-10-30 | A kind of continuous type braking automobile power-assisted pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721418169.4U CN207490655U (en) | 2017-10-30 | 2017-10-30 | A kind of continuous type braking automobile power-assisted pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490655U true CN207490655U (en) | 2018-06-12 |
Family
ID=62478065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721418169.4U Active CN207490655U (en) | 2017-10-30 | 2017-10-30 | A kind of continuous type braking automobile power-assisted pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207490655U (en) |
-
2017
- 2017-10-30 CN CN201721418169.4U patent/CN207490655U/en active Active
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