A kind of electricity cut-off type electromagnet drum brake
Technical field
The present invention relates to automobile brake system field, more particularly to a kind of electricity cut-off type electromagnet drum brake.
Background technology
Automobile brake system is also known as brake system of car.Brake system acts on:Make the automobile in traveling according to driver
Requirement carry out forced deceleration even stop;Stay the automobile of stagnation of movement (being included on ramp) stabilization under the conditions of different kinds of roads
Car;The car speed of descent run is set to keep stablizing.Each automobile vendor of the country uses on middle-size and small-size finished market product car at present
It is more for drum brakes system after shroud.
The Chinese patent of Application No. CN201610267402.7 discloses the brake system of automobile, including for braking car
Brake rim, brake block and the cylinder for promoting brake block of wheel, further include solar absorption refrigerating machine, the brake rim outer surface
The hollow cavity one and hollow cavity two of annular are surrounded by, hollow cavity one has an entrance, a partition wall and is arranged on partition wall another side
One outlet, is one-way passage between entrance and outlet, and inlet is equipped with check valve, and the solar absorption refrigerating machine includes setting
The solar thermal collector and absorption refrigeration component in automotive hub outer surface are put, depression is equipped with around the center of circle of automotive hub,
The absorption refrigeration component is connected with solar thermal collector, and the absorption refrigeration component is connected and is built into hollow cavity one
One complete braking cycle circuit, is equipped with clear water in braking cycle circuit.
But the existing following defect of brake system generally existing:1st, brake low-response.Brake manipulation is laborious when the 2nd, braking.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of electricity cut-off type electromagnet drum brake.The electricity cut-off type of the present invention
Electromagnet drum brake is simple in structure, control is easy;Braking, sensitive, response is fast;It is power saving, laborsaving.Artificial available for automobile is easily stopped
Car, ABS brakes, the braking of body stabilization system, the self-actuating brake of unmanned control system.
The present invention concrete technical scheme be:A kind of electricity cut-off type electromagnet drum brake, including brake rim and arranged on the brake
The first brake piece and the second brake block of opposition both sides in car drum;Further include the first brake bracket, the first armature iron core, the first electromagnetism
Iron core, the first electromagnetic coil, the first outer ring iron core, the second outer ring iron core, the second brake bracket, the second armature iron core, the second electromagnetism
Iron core, the second electromagnetic coil, the 3rd outer ring iron core, energetically the 4th outer ring iron core, spring and fixed shell.
The outer end of first brake bracket is connected with first brake piece;First armature iron core is T-shaped:Including being braked with first
The connecting plate and the lead at the center of described connecting plate the inner of the inner connection of frame;First electromagnetic core is arranged on
The inner side of first armature iron core and the outside of the first electromagnetic core are equipped with the cavity that can accommodate the lead, and the cavity is with leading
It is oppositely arranged to column;First electromagnetic coil is set around on the first electromagnetic core;First outer ring iron core, the second outer ring iron
Core is respectively arranged on the opposition both sides of the first electromagnetic core and is connected with the first electromagnetic core integral type.
The second armature iron core, the second electromagnetic core, the second electromagnetic coil, the 3rd outer ring iron core, the 4th outer ring iron core,
Second brake bracket, the structure of the second brake block and connection relation and the first armature iron core, the first electromagnetic core, the first electromagnetic wire
Circle, the first outer ring iron core, the second outer ring iron core, the first brake bracket, the structure of first brake piece and connection relation are identical.
The both ends of the spring energetically are individually fixed on the inner face of the first brake bracket, the second brake bracket, the fixation
Case lid is arranged at the both ends open of brake rim.
In the energized state, gap is left between the first brake piece, the second brake block and brake rim madial wall, energetically
Spring is in compressive state;In the power-off state, first brake piece, the second brake block are close to brake rim madial wall, energetically spring
When being less than "on" position still in compressive state but compression degree.
Since the present invention is in braking state under powering-off state, hand brake device can be removed from, reduce cost.
The principle of electricity cut-off type electromagnet drum brake of the present invention is:
When first electromagnetic coil, the second electromagnetic coil are powered at the same time, the first electromagnetic core, the second electromagnetic core produce
It is magnetic;First electromagnetic core to the first outer ring iron core or the second outer ring iron core to the first armature iron core are to the first electromagnetic core, shape
Into flux circuit;Second electromagnetic core to the 3rd outer ring iron core or the 4th outer ring iron core are to the second armature iron core to the second electromagnet
Core, forms flux circuit;First armature iron core is close to the first electromagnetic core under the action of magnetic force, while the first armature iron core
First brake piece is driven to leave brake rim by the first brake bracket;Second armature iron core is under the action of magnetic force to the second electromagnet
Core is close, while the second armature iron core drives the second brake block to leave brake rim, while spring quilt energetically by the second brake bracket
Compression;
First electromagnetic coil, the second electromagnetic coil all no power when, the first electromagnetic core, the second electromagnetic core all do not have
It is magnetic, under the action of spring extending force energetically, the first armature iron core drives first brake piece close by the first brake bracket
It is close to brake rim, the second armature iron core drives the second brake block to complete power-off close to brake rim is close to and stop by the second brake bracket
Car function.
Preferably, the quantity of the spring energetically is two.
Can along the first brake bracket, the second brake bracket preferably, being respectively equipped with first brake bracket, the second brake bracket
The guide chute of glide direction.
Preferably, first outer ring iron core, the second outer ring iron core, the 3rd outer ring iron core, the 4th outer ring iron core are in L
Type.
Preferably, the first armature iron core with the first outer ring iron core, the second outer ring iron core, the first electromagnetic core structure
Into overall alignment;The second armature iron core is formed with the 3rd outer ring iron core, the 4th outer ring iron core, the second electromagnetic core
Overall alignment.
It is compared with the prior art, the beneficial effects of the invention are as follows:Electricity cut-off type electromagnet drum brake of the invention is simple in structure, control
System is easy;Braking, sensitive, response is fast;It is power saving, laborsaving.Hand brake device can be removed from, reduce cost.Available for the artificial light of automobile
Brake, ABS brakes, the braking of body stabilization system, the self-actuating brake of unmanned control system.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the embodiment of the present invention 1.
Reference numeral is:Brake rim 1, energetically fixed shell 2, spring 3, guide chute 4, first the 5, first electricity of electromagnetic coil
Magnetic core 6, the first outer ring iron core 7, the second outer ring iron core 8, the first armature iron core 9, first brake piece 10, the first brake bracket 11,
Second electromagnetic coil 12, the second electromagnetic core 13, the 3rd outer ring iron core 14, the 4th outer ring iron core 15, the second armature iron core 16,
Two brake blocks 17, the second brake bracket 18, connecting plate 22, lead 23.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
As shown in Figure 1, a kind of electricity cut-off type electromagnet drum brake, including brake rim 1, the opposition both sides in the brake rim
10 and second brake block 17 of first brake piece, the first brake bracket 11, the first armature iron core 9, the first electromagnetic core 6, the first electromagnetism
Coil 5, the first outer ring iron core 7, the second outer ring iron core 8, the second brake bracket 18, the second armature iron core 16, the second electromagnetic core 13,
Second electromagnetic coil 12, the 3rd outer ring iron core 14, the 4th outer ring iron core 15, two spring 3, fixed shell 2 energetically.
The outer end of first brake bracket is connected with first brake piece;First armature iron core is T-shaped:Including being braked with first
The connecting plate 22 and the lead 23 at the center of described connecting plate the inner of the inner connection of frame;First electromagnetic core
Arranged on the inner side of the first armature iron core and the outside of the first electromagnetic core is equipped with the cavity that can accommodate the lead, the cavity
It is oppositely arranged with lead;First electromagnetic coil is set around on the first electromagnetic core;First outer ring iron core, outside second
Circle iron core is respectively arranged on the opposition both sides of the first electromagnetic core and is connected with the first electromagnetic core integral type.First outer ring iron core,
Second outer ring iron core is L-shaped.
The second armature iron core, the second electromagnetic core, the second electromagnetic coil, the 3rd outer ring iron core, the 4th outer ring iron core,
Second brake bracket, the structure of the second brake block and connection relation and the first armature iron core, the first electromagnetic core, the first electromagnetic wire
Circle, the first outer ring iron core, the second outer ring iron core, the first brake bracket, the structure of first brake piece and connection relation are identical.It is described
The entirety formed with the first outer ring iron core, the second outer ring iron core, the first electromagnetic core of first armature iron core is alignd;Described second
The entirety formed with the 3rd outer ring iron core, the 4th outer ring iron core, the second electromagnetic core of armature iron core is alignd.
The both ends of the spring energetically are individually fixed on the inner face of the first brake bracket, the second brake bracket, the fixation
Case lid is arranged at the both ends open of brake rim.Be respectively equipped with first brake bracket, the second brake bracket along the first brake bracket,
The guide chute 4 in the second brake bracket slidably direction.
In the energized state, gap is left between the first brake piece, the second brake block and brake rim madial wall, energetically
Spring is in compressive state;In the power-off state, first brake piece, the second brake block are close to brake rim madial wall, energetically spring
When being less than "on" position still in compressive state but compression degree.
The principle of electricity cut-off type electromagnet drum brake of the present invention is:
When first electromagnetic coil, the second electromagnetic coil are powered at the same time, the first electromagnetic core, the second electromagnetic core produce
It is magnetic;First electromagnetic core to the first outer ring iron core or the second outer ring iron core to the first armature iron core are to the first electromagnetic core, shape
Into flux circuit;Second electromagnetic core to the 3rd outer ring iron core or the 4th outer ring iron core are to the second armature iron core to the second electromagnet
Core, forms flux circuit;First armature iron core is close to the first electromagnetic core under the action of magnetic force, while the first armature iron core
First brake piece is driven to leave brake rim by the first brake bracket;Second armature iron core is under the action of magnetic force to the second electromagnet
Core is close, while the second armature iron core drives the second brake block to leave brake rim, while spring quilt energetically by the second brake bracket
Compression.
First electromagnetic coil, the second electromagnetic coil all no power when, the first electromagnetic core, the second electromagnetic core all do not have
It is magnetic, under the action of spring extending force energetically, the first armature iron core drives first brake piece close by the first brake bracket
It is close to brake rim, the second armature iron core drives the second brake block to complete power-off close to brake rim is close to and stop by the second brake bracket
Car function.
Raw materials used in the present invention, equipment, is the common raw material, equipment of this area unless otherwise noted;In the present invention
Method therefor, is the conventional method of this area unless otherwise noted.
The above, is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and the equivalent transformation that technical spirit makees above example, still fall within the technology of the present invention side
The protection domain of case.