CN218750726U

CN218750726U - Intelligent integrated brake of new energy vehicle

Info

Publication number: CN218750726U
Application number: CN202222950817.8U
Authority: CN
Inventors: 董伯武
Original assignee: Yuhuan Bolt Technology Co ltd
Current assignee: Yuhuan Bolt Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-28
Anticipated expiration: 2032-11-02

Abstract

An intelligent integrated brake of a new energy vehicle comprises a cylinder body, an oil way connecting end arranged at the left end of the cylinder body and an oil pushing piece arranged in the oil way connecting end, wherein a sealing plunger matched with the cylinder body is arranged at the right part of the cylinder body; an oil tank cover is screwed at the upper tank opening of the oil tank; the inner wall of the left end of the oil tank is provided with an oil outlet. The utility model discloses an integrated stopper of new forms of energy car intelligence can effectively guarantee the inside leakproofness of stopper, effectively avoids hydraulic oil to leak under the extrusion of sealed plunger one time and the condition that the external volume that leads to hydraulic oil constantly reduces to stability when effectively guaranteeing stopper drive brake caliper brake.

Description

Intelligent integrated brake of new energy vehicle

Technical Field

The utility model relates to a stopper, especially an integrated stopper of new forms of energy car intelligence.

Background

New energy car is almost the same with fuel automobile's braking system, the brake block through brake caliper all sticiss the brake disc on the auto wheel, realize the brake braking of car, the new energy car can in time transmit the piston on giving brake caliper in order to guarantee the power that the footboard produced, make the piston top move the brake block and compress tightly the brake disc, then can set up a vacuum booster between the footboard and the stopper that is used for driving the piston on the brake caliper, utilize the vacuum to increase the power that driving personnel exerted on the footboard, effectively improve the sensitivity of brake braking.

When the brake is used, the brake is connected with the brake caliper through an oil conveying pipeline, when a driver steps on a pedal, a push rod on the brake is pushed through a vacuum booster, so that the push rod pushes a sealing plunger in the brake, the sealing plunger can touch an oil pushing piece at the moment, the oil conveying pipeline is filled with brake oil, the brake oil is pushed into the brake caliper along with the movement of the oil pushing piece, so that the movement of a piston is realized, the braking action of the brake is completed, a return spring and hydraulic oil are arranged between the sealing plunger and the oil pushing piece, the return spring plays a return effect on the sealing plunger after the braking action of the brake is finished, the hydraulic oil plays a damping effect, the stability when the sealing plunger pushes the oil pushing piece is ensured, when the sealing plunger is continuously close to the oil pushing piece, the gap between the sealing plunger and the oil pushing piece is extruded to other spaces, but the hydraulic oil returns to the position between the sealing plunger and the oil pushing piece again, the hydraulic oil pushing piece is extruded, the potential safety of the O-shaped sealing plunger and the O-shaped sealing ring, the safety sealing ring of the brake is easy to be loosened, the sealing plunger, the safety of the O-shaped sealing plunger and the sealing ring, the sealing plunger is ensured, the safety ring, the safety of the sealing plunger and the O-shaped sealing ring, the safety ring is reduced, the sealing property cannot be ensured.

Disclosure of Invention

The utility model aims to solve current technical problem and provide a new forms of energy car can only integrated stopper, it can effectively guarantee the inside leakproofness of stopper, effectively avoids hydraulic oil to leak under the extrusion of sealed plunger one time to the external condition that leads to the volume of hydraulic oil constantly reducing to stability when effectively guaranteeing stopper drive brake caliper brake.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model discloses an integrated stopper of new forms of energy car intelligence, including the cylinder body, locate the oil circuit link of cylinder body left end and locate the oil circuit link in push away oily piece, the cylinder body right part is equipped with rather than assorted sealing plunger, and sealing plunger right-hand member center is equipped with the push rod, and outside the push rod right-hand member was worn out to the cylinder body, was equipped with reset spring between sealing plunger left end face and the cylinder body left side inner wall, pushed away oily piece right-hand member and penetrated to the reset spring left end in right, its characterized in that: the upper surface of the cylinder body is provided with an oil tank; an oil tank cover is screwed at the upper tank opening of the oil tank; the inner wall of the left end of the oil tank is provided with an oil outlet; the space between the left end face of the sealing plunger and the left side wall of the cylinder body is communicated with the inner space of the oil tank through an oil outlet; the inner wall of the cylinder body is provided with an oil return hole communicated with the inner space of the oil tank, and the oil return hole is positioned on the right side of the oil outlet hole; the outer wall of the left end of the sealing plunger covers and seals the orifice of the inner end of the oil return hole; the outer wall of the sealing plunger is provided with an annular oil return groove; a sliding sleeve matched with the oil return groove is arranged in the left part of the oil return groove; a plurality of limiting blocks which are uniformly distributed in the circumferential direction are arranged on the left side groove wall of the oil return groove; an oil return spring is arranged between the right side wall of the sliding sleeve and the right side wall of the oil return groove; the sliding sleeve is provided with a right sealing structure with the inner wall of the cylinder body; and a left sealing structure matched with the oil pushing piece is arranged on the inner wall of the oil way connecting end.

The right sealing structure comprises a rubber sleeve sleeved outside the sliding sleeve; the outer peripheral surface of the rubber sleeve is attached to the inner wall of the cylinder body, the inner wall of the rubber sleeve is attached to the bottom of the oil return groove, and the left side wall of the rubber sleeve is attached to the right side wall of the limiting block; a pressing plate attached to the right side wall of the rubber sleeve is arranged in the oil return groove, and the left end of the oil return spring is pressed against the right side wall of the pressing plate; the outer edge of the left side wall of the rubber sleeve is provided with an annular pressurizing groove; a supporting piece matched with the pressurizing groove is arranged in the pressurizing groove; the left side wall of the supporting piece is provided with an annular drainage hole; the outer peripheral surface and the inner wall of the supporting piece are provided with a plurality of oil through holes communicated with the drainage holes.

The left sealing structure comprises a sealing groove arranged on the inner wall of the oil way connecting end, and the sealing groove is annular; a sealing sleeve matched with the sealing groove is arranged in the right part of the sealing groove, and the sealing sleeve is made of rubber; the inner wall of the sealing sleeve is attached to the outer wall of the oil pushing piece, and the outer wall of the sealing sleeve is attached to the bottom of the sealing groove; the inner wall of the right part of the sealing sleeve is provided with an annular leakage-proof groove; the bottom of the leakage-proof groove is provided with a plurality of leakage-proof pipes sleeved outside the oil pushing piece, the leakage-proof pipes are uniformly distributed in the axial direction, and the leakage-proof pipes are made of sealing materials; the leakage-proof pipe is in a horn shape with a narrow right and a wide left, and the inner wall of the pipe orifice at the right end of the leakage-proof pipe is attached to the outer wall of the oil pushing piece; the inner wall of the left end of the sealing sleeve is provided with an annular extrusion groove which is wide at the left and narrow at the right; the oil pushing piece is sleeved with an extrusion sleeve positioned in the sealing groove, and the inner wall of the extrusion sleeve is attached to the outer wall of the oil pushing piece; the right end of the extrusion sleeve penetrates into the extrusion groove rightwards, and an extrusion space is formed between the right end face of the extrusion sleeve and the bottom of the extrusion groove; the outer wall of the extrusion sleeve is provided with a sealing conical surface which is wide at the left and narrow at the right, and the sealing conical surface is attached to the inner wall of the extrusion groove.

The center of the left end face of the sealing plunger is provided with an extension rod coaxial with the oil pushing piece, and the extension rod penetrates into the right end of the reset spring.

The diameter of the oil outlet hole gradually increases from inside to outside.

The inner wall of the upper tank opening of the oil tank is provided with an annular screw joint groove, the oil tank cover is screwed in the screw joint groove, and the lower surface of the oil tank cover is attached to the bottom of the screw joint groove; an annular groove is formed at the bottom of the threaded connection groove; an O-shaped ring matched with the annular groove is arranged in the annular groove; a rotary rod is arranged in the center of the upper surface of the oil tank cover; the upper end of the rotating rod is provided with a rotating head.

And the inner wall of the right side of the oil return hole is flush with the side wall of the left side of the oil return groove.

The utility model has the advantages that:

compared with the prior art, adopt the utility model discloses the leakproofness between sealing plunger outer wall and the cylinder body inner wall is effectively guaranteed to the new forms of energy car intelligent integration stopper accessible rubber sleeve of structure, even the rubber sleeve is ageing to lead to self elasticity weakening, still can guarantee the sealed effect of rubber sleeve all the time through clamp plate and support piece, the leakproofness between usable seal cover effective assurance oil pushing component outer wall and the oil circuit link inner wall simultaneously, even the seal cover is ageing to lead to self elasticity weakening, still can guarantee the sealed effect of seal cover all the time through leak protection pipe and extrusion cover, thereby effectively avoid the hydraulic oil seepage in the cylinder body to the external condition, the unstable condition when avoiding the hydraulic oil seepage to lead to stopper drive brake caliper brake, effectively stop the potential safety hazard.

Drawings

Fig. 1 is a schematic structural diagram of the intelligent integrated brake of the new energy vehicle;

FIG. 2 is an enlarged view of section A of FIG. 1;

fig. 3 is an enlarged view of a portion B of fig. 1.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

referring to fig. 1 to 3, the utility model provides an intelligent integrated brake for a new energy vehicle, which comprises a cylinder body 1, an oil circuit connecting end 2 arranged at the left end of the cylinder body 1 and an oil pushing piece 3 arranged in the oil circuit connecting end 2, wherein the right part of the cylinder body 1 is provided with a sealing plunger 4 matched with the cylinder body, the center of the right end surface of the sealing plunger 4 is provided with a push rod 5, the right end of the push rod 5 penetrates out of the cylinder body 1 rightwards, a return spring 6 is arranged between the left end surface of the sealing plunger 4 and the inner wall of the left side of the cylinder body 1, the right end of the oil pushing piece 3 penetrates into the left end of the return spring 6 rightwards, and the upper surface of the cylinder body 1 is provided with an oil tank 7; an oil tank cover 8 is screwed at the upper tank opening of the oil tank 7; the inner wall of the left end of the oil tank 7 is provided with an oil outlet 9; the space between the left end face of the sealing plunger 4 and the left side wall of the cylinder body 1 is communicated with the inner space of the oil tank 7 through an oil outlet hole 9; the inner wall of the cylinder body 1 is provided with an oil return hole 10 communicated with the inner space of the oil tank 7, and the oil return hole 10 is positioned on the right side of the oil outlet hole 9; the outer wall of the left end of the sealing plunger 4 shields and seals the inner end orifice of the oil return hole 10; an annular oil return groove 11 is formed in the outer wall of the sealing plunger 4; a sliding sleeve 12 matched with the oil return groove 11 is arranged in the left part of the oil return groove; a plurality of limiting blocks 13 which are uniformly distributed in the circumferential direction are arranged on the left side groove wall of the oil return groove 11; an oil return spring 14 is arranged between the right side wall of the sliding sleeve 12 and the right side wall of the oil return groove 11; the sliding sleeve 12 is provided with a right sealing structure with the inner wall of the cylinder body 1; and a left sealing structure matched with the oil pushing piece 3 is arranged on the inner wall of the oil way connecting end 2.

The right sealing structure comprises a rubber sleeve 15 sleeved outside the sliding sleeve 12; the peripheral surface of the rubber sleeve 15 is attached to the inner wall of the cylinder body 1, the inner wall of the rubber sleeve 15 is attached to the bottom of the oil return groove 11, and the left side wall of the rubber sleeve 15 is attached to the right side wall of the limiting block 13; a pressing plate 16 attached to the right side wall of the rubber sleeve 15 is arranged in the oil return groove 11, and the left end of the oil return spring 14 is pressed against the right side wall of the pressing plate 16; the outer edge of the left side wall of the rubber sleeve 15 is provided with an annular pressurizing groove 17; a supporting piece 18 matched with the pressurizing groove 17 is arranged in the pressurizing groove; the left side wall of the supporting piece 18 is provided with an annular drainage hole 19; the outer peripheral surface and the inner wall of the supporting part 18 are provided with a plurality of oil through holes 20 communicated with the drainage holes.

The left sealing structure comprises a sealing groove 21 arranged on the inner wall of the oil way connecting end, and the sealing groove 21 is annular; a sealing sleeve 22 matched with the sealing groove 21 is arranged in the right part of the sealing groove 21, and the sealing sleeve 22 is made of rubber; the inner wall of the sealing sleeve 22 is attached to the outer wall of the oil pushing piece 3, and the outer wall of the sealing sleeve 22 is attached to the bottom of the sealing groove 21; the inner wall of the right part of the sealing sleeve 22 is provided with an annular leakage-proof groove 23; a plurality of anti-leakage pipes 24 sleeved outside the oil pushing piece 3 are arranged at the bottom of the anti-leakage groove 23, the anti-leakage pipes 24 are axially and uniformly distributed, and the anti-leakage pipes 24 are made of sealing materials; the leakage-proof pipe 24 is in a horn shape with a narrow right and a wide left, and the inner wall of a pipe orifice at the right end of the leakage-proof pipe 24 is attached to the outer wall of the oil pushing part 3; an annular extrusion groove 25 is formed in the inner wall of the left end of the sealing sleeve 22, and the extrusion groove 25 is wide at the left and narrow at the right; an extrusion sleeve 26 positioned in the sealing groove 21 is sleeved outside the oil pushing member 3, and the inner wall of the extrusion sleeve 26 is attached to the outer wall of the oil pushing member 3; the right end of the extrusion sleeve 26 penetrates into the extrusion groove 25 rightwards, and an extrusion space 27 is formed between the right end face of the extrusion sleeve 26 and the bottom of the extrusion groove 25; the outer wall of the extrusion sleeve 26 is provided with a sealing conical surface 28 which is wide at the left and narrow at the right, and the sealing conical surface 28 is attached to the inner wall of the extrusion groove 25; and a sealing spring 35 is arranged between the left side wall of the extrusion sleeve 26 and the left side groove wall of the sealing groove 21.

The center of the left end face of the sealing plunger 4 is provided with an extension rod 29 coaxial with the oil pushing piece 3, and the extension rod 29 penetrates into the right end of the return spring 6.

The diameter of the oil outlet hole 9 gradually increases from inside to outside.

An annular screw joint groove 30 is formed in the inner wall of the upper end opening of the oil tank 7, the oil tank cover 8 is in screw joint with the screw joint groove 30, and the lower surface of the oil tank cover 8 is attached to the bottom of the screw joint groove 30; an annular groove 31 is formed at the bottom of the screw connecting groove 30; an O-shaped ring 32 matched with the annular groove 31 is arranged in the annular groove 31; the center of the upper surface of the oil tank cover 8 is provided with a rotary rod 34; the upper end of the rotating rod 34 is provided with a rotating head 33.

The right side inner wall of the oil return hole 10 is flush with the left side wall of the oil return groove 11.

The utility model discloses a use method as follows:

the oil circuit connecting end 2 is used for connecting an oil conveying pipeline, so that the cylinder body 1 is connected with the brake caliper through the oil conveying pipeline, brake oil is filled in the oil conveying pipeline, and hydraulic oil is filled in a space between the left end face of the sealing plunger 4 and the inner wall of the left side of the cylinder body 1 and the oil tank 7.

When a driver steps on the pedal, the pedal pushes the push rod 5 through the vacuum booster, so as to push the sealing plunger 4 to move leftwards, so that the sealing plunger 4 is close to the left end of the oil pushing piece 3, at the moment, the return spring 6 is compressed by the sealing plunger 4 and generates elasticity for resetting, hydraulic oil in a space between the left end face of the sealing plunger 4 and the left side inner wall of the cylinder body 1 is squeezed into the oil tank 7 through the oil outlet 9, the oil pressure in the oil tank 7 continuously rises, and along with the leftward movement of the sealing plunger 4, the outer wall of the left end of the sealing plunger 4 does not shield and seal an inner end orifice of the oil return hole 10 any more, at the moment, a space between the left side groove wall of the oil return groove 11 and the left side wall of the rubber sleeve 15 is communicated with the inner space of the oil tank 7 through the oil return hole 10, hydraulic oil in the oil tank 7 is squeezed into a space between the left side groove wall of the oil return groove 11 and the left side wall of the rubber sleeve 15 through the oil return hole 10, along with the continuous inflow of subsequent hydraulic oil, firstly the hydraulic oil is filled in the space between the left side wall of the oil return groove 11 and the left side wall of the rubber sleeve 15, then the oil pressure in the space between the left side wall of the oil return groove 11 and the left side wall of the rubber sleeve 15 rises, the rising oil pressure pushes the rubber sleeve 15 rightwards, so as to realize the right movement of the sliding sleeve 12, when the sliding sleeve 12 moves rightwards, the oil return spring 14 is compressed and generates elasticity for oil return, when the sealing plunger 4 moves leftwards to an actually required position, the sealing plunger 4 pushes the oil pushing piece 3 leftwards, along with the movement of the oil pushing piece 3 out of the oil way connecting end 2, the oil pushing piece 3 pushes the brake oil in the oil pipeline, so that the brake oil is flushed into the brake caliper to push the piston in the brake caliper, so that the piston pushes the brake pad to press the brake pad tightly on a brake disc of a vehicle wheel, thereby realizing the braking of the vehicle.

When a driver looses a pedal, a piston in the brake caliper resets, the piston reversely pushes brake oil to restore the state of the brake oil, so that the oil pushing piece 3 resets, meanwhile, the return spring 6 pushes the sealing plunger 4 rightwards to move rightwards by using the elasticity of the return spring 6 to reset, at the moment, the space between the left end face of the sealing plunger 4 and the inner wall of the left side of the cylinder body 1 is continuously enlarged, the oil pressure is reduced, the oil return spring 14 pushes leftwards by using the elasticity of the return spring 14, so that hydraulic oil between the left side wall of the rubber sleeve 15 and the left side wall of the oil return groove 11 is squeezed into the oil tank 7 through the oil return hole 10, the hydraulic oil in the oil tank 7 is squeezed into the space between the left end face of the sealing plunger 4 and the inner wall of the left side of the cylinder body 1 to be filled, and when the sealing plunger 4 finishes resetting, the left end of the sealing plunger 4 shields and seals the inner end hole of the oil return hole 10 again.

The oil return spring 14 can play an oil return effect and can enable the rubber sleeve 15 to always keep a sealing effect, when the sliding sleeve 12 is in an original position and is not moved, the oil return spring 14 has elasticity, the elasticity is directly applied to the pressing plate 16, the pressing plate 16 is tightly pressed on the side wall of the right side of the rubber sleeve 15 leftwards, the pressing plate 16 is annular, the inner wall of the pressing plate 16 is attached to the bottom of the oil return groove 11, and the outer peripheral surface of the pressing plate 16 is attached to the inner wall of the cylinder body 1, so that under the limitation of the pressing plate 16, the inner wall of the right end of the rubber sleeve 15 tightly pressed by the pressing plate 16 is inwardly deformed and further attached to the bottom of the oil return groove 11, the outer wall of the right end of the rubber sleeve 15 tightly pressed by the pressing plate 16 is outwardly deformed and further attached to the inner wall of the cylinder body 1, even if the rubber sleeve 15 is aged to weaken the elasticity of the rubber sleeve, and under the tight pressing of the pressing plate 16, the right end of the rubber sleeve 15 can still ensure the self sealing effect.

When hydraulic oil is squeezed into the space between the left side lateral wall of the rubber sleeve 15 and the left side groove wall of the oil return groove 11 from the oil tank 7, a part of hydraulic oil can enter the drainage hole through the left end hole of the drainage hole 19, along with the continuous inflow of hydraulic oil to the drainage hole 19, the oil pressure in the drainage hole 19 continuously rises, the hydraulic oil in the drainage hole 19 can extrude the outer side groove wall and the inner side groove wall of the pressurizing groove 17 through the oil through hole 20, the inner wall of the left end of the rubber sleeve 15 is inwards deformed and further attached to the bottom of the oil return groove 11, the outer peripheral surface of the left end of the rubber sleeve 15 is outwards deformed and further attached to the outer wall of the cylinder body 1, and therefore the sealing effect of the left end of the rubber sleeve 15 is always guaranteed.

Sealing spring 35 can utilize self elasticity to promote the extrusion cover right, extrusion cover 26 then can outwards extrude extrusion groove 25 inner wall through the sealed conical surface 28 of self outer wall this moment, thereby make seal cover 22 left part outer peripheral face further hug closely on the groove bottom of seal groove 21, if there is hydraulic oil in cylinder body 1 to leak to the clearance between oil circuit link 2 inner wall and the oil pushing piece 3 outer wall left, hydraulic oil meets the interception of anti-leakage pipe 24 at first, and anti-leakage pipe 24 is the draw plate form of narrow left side width, therefore anti-leakage pipe 24 outer wall encloses with anti-leakage groove 23 inner wall and forms a narrow right side width recess, hydraulic oil then can get into to this recess, and extrude anti-leakage pipe 24 outer wall left, anti-leakage pipe 24 right-hand member mouth of pipe inner wall can further sticiss on oil pushing piece 3 outer wall on the contrary this moment, thereby guarantee the leakproofness between link 2 inner wall and the oil pushing piece 3 outer wall to the at utmost.

In conclusion, can know, the utility model discloses accessible rubber sleeve 15 effectively guarantees the leakproofness between 4 outer walls of sealed plunger and the 1 inner wall of cylinder body, even rubber sleeve 15 ages and leads to self elasticity weakening, still can guarantee the sealed effect of rubber sleeve 15 through clamp plate 16 and support piece 18 all the time, usable seal cover 22 effectively guarantees the leakproofness between 3 outer walls of oil pushing component and the 2 inner walls of oil circuit link simultaneously, even seal cover 22 ages and leads to self elasticity weakening, still can guarantee the sealed effect of seal cover 22 all the time through leak protection pipe 24 and extrusion cover 26, thereby effectively avoid the hydraulic oil seepage to the external condition in the cylinder body 1, the unstable condition when avoiding hydraulic oil seepage to lead to brake calliper brake of stopper drive, effectively stop the potential safety hazard.

The left end face center of the sealing plunger 4 is provided with an extension rod 29 coaxial with the oil pushing piece 3, the extension rod 29 penetrates to the right end of the reset spring 6, the existence of the extension rod 29 can enable the sealing plunger 4 to be easier to push the oil pushing piece 3, the moving stroke of the oil pushing piece 3 can be increased, and the oil pushing piece 3 can be easier to push a piston through brake oil.

The diameter of the oil outlet hole 9 is gradually increased from inside to outside, the oil outlet speed of the hydraulic oil in the space between the left end face of the sealing plunger 4 and the inner wall of the left side of the cylinder body 1 can be effectively limited by the structure, the stability of the sealing plunger 4 when the oil pushing piece is pushed is further improved, and meanwhile, the speed of the hydraulic oil in the oil tank 7 when the hydraulic oil returns to the space between the left end face of the sealing plunger 4 and the inner wall of the left side of the cylinder body 1 can be effectively improved.

The inner wall of the upper end opening of the oil tank 7 is provided with an annular screw joint groove 30, the oil tank cover 8 is screwed in the screw joint groove 30, the lower surface of the oil tank cover 8 is attached to the bottom of the screw joint groove 30, the screw joint mode can effectively ensure the sealing property between the oil tank cover 8 and the screw joint groove 30, the bottom of the screw joint groove 30 is provided with an annular groove 31, the annular groove 31 is internally provided with an O-shaped ring 32 matched with the annular groove, the existence of the O-shaped ring 32 can further improve the sealing property of the oil tank cover 8, the leakage of hydraulic oil in the oil tank 7 to the outside is avoided, when the oil tank cover 8 needs to be disassembled, a rotary rotating head 33 can rotate, the rotating head 33 can drive the oil tank cover 8 to rotate through a rotary rod 34, and the oil tank cover 8 can be conveniently disassembled and arranged in the rotating head 33.

The right side inner wall of oil gallery 10 flushes with oil gallery 11 left side lateral wall, and in case sealed plunger 4 moves left and is close to and pushes away oily piece 3, hydraulic oil in the oil tank 7 then can enter into to the space between sealed plunger 4 left end face and the 1 left side inner wall of cylinder body, effectively guarantees the flow rate of hydraulic oil to improve performance.

Claims

1. The utility model provides an integrated stopper of new forms of energy car intelligence, includes the cylinder body, locate the oil circuit link of cylinder body left end and locate the oil pushing member in the oil circuit link, the cylinder body right part is equipped with rather than assorted sealed plunger, sealed plunger right-hand member center is equipped with the push rod, the push rod right-hand member is worn out to the right outside the cylinder body, is equipped with reset spring between sealed plunger left end face and the inner wall of cylinder body left side, pushes away oil member right-hand member and penetrates to the right in the reset spring left end, its characterized in that: the upper surface of the cylinder body is provided with an oil tank; an oil tank cover is screwed at the upper tank opening of the oil tank; the inner wall of the left end of the oil tank is provided with an oil outlet; the space between the left end face of the sealing plunger and the left side wall of the cylinder body is communicated with the inner space of the oil tank through an oil outlet; the inner wall of the cylinder body is provided with an oil return hole communicated with the inner space of the oil tank, and the oil return hole is positioned on the right side of the oil outlet hole; the outer wall of the left end of the sealing plunger covers and seals the orifice of the inner end of the oil return hole; the outer wall of the sealing plunger is provided with an annular oil return groove; a sliding sleeve matched with the oil return groove is arranged in the left part of the oil return groove; a plurality of limiting blocks which are uniformly distributed in the circumferential direction are arranged on the left side groove wall of the oil return groove; an oil return spring is arranged between the right side wall of the sliding sleeve and the right side wall of the oil return groove; the sliding sleeve is provided with a right sealing structure with the inner wall of the cylinder body; and a left sealing structure matched with the oil pushing piece is arranged on the inner wall of the oil way connecting end.

2. The intelligent integrated brake of the new energy vehicle as claimed in claim 1, wherein: the right sealing structure comprises a rubber sleeve sleeved outside the sliding sleeve; the outer peripheral surface of the rubber sleeve is attached to the inner wall of the cylinder body, the inner wall of the rubber sleeve is attached to the bottom of the oil return groove, and the left side wall of the rubber sleeve is attached to the right side wall of the limiting block; a pressing plate attached to the right side wall of the rubber sleeve is arranged in the oil return groove, and the left end of the oil return spring is pressed against the right side wall of the pressing plate; the outer edge of the left side wall of the rubber sleeve is provided with an annular pressurizing groove; a supporting piece matched with the pressurizing groove is arranged in the pressurizing groove; the left side wall of the supporting piece is provided with an annular drainage hole; the outer peripheral surface and the inner wall of the supporting piece are provided with a plurality of oil through holes communicated with the drainage holes.

3. The intelligent integrated brake of the new energy vehicle as claimed in claim 1, wherein: the left sealing structure comprises a sealing groove arranged on the inner wall of the oil way connecting end, and the sealing groove is annular; a sealing sleeve matched with the sealing groove is arranged in the right part of the sealing groove, and the sealing sleeve is made of rubber; the inner wall of the sealing sleeve is attached to the outer wall of the oil pushing piece, and the outer wall of the sealing sleeve is attached to the bottom of the sealing groove; the inner wall of the right part of the sealing sleeve is provided with an annular leakage-proof groove; the bottom of the leakage-proof groove is provided with a plurality of leakage-proof pipes sleeved outside the oil pushing piece, the leakage-proof pipes are uniformly distributed in the axial direction, and the leakage-proof pipes are made of sealing materials; the leakage-proof pipe is in a horn shape with a narrow right and a wide left, and the inner wall of the pipe orifice at the right end of the leakage-proof pipe is attached to the outer wall of the oil pushing piece; the inner wall of the left end of the sealing sleeve is provided with an annular extrusion groove which is wide at the left and narrow at the right; the oil pushing piece is sleeved with an extrusion sleeve positioned in the sealing groove, and the inner wall of the extrusion sleeve is attached to the outer wall of the oil pushing piece; the right end of the extrusion sleeve penetrates into the extrusion groove rightwards, and an extrusion space is formed between the right end face of the extrusion sleeve and the bottom of the extrusion groove; the outer wall of the extrusion sleeve is provided with a sealing conical surface which is wide at the left and narrow at the right, and the sealing conical surface is attached to the inner wall of the extrusion groove.

4. The intelligent integrated brake of the new energy vehicle as claimed in claim 1, wherein: the center of the left end face of the sealing plunger is provided with an extension rod coaxial with the oil pushing piece, and the extension rod penetrates into the right end of the reset spring.

5. The intelligent integrated brake of the new energy vehicle as claimed in claim 1, wherein: the diameter of the oil outlet hole gradually increases from inside to outside.

6. The intelligent integrated brake of the new energy vehicle as claimed in claim 1, wherein: the inner wall of the upper tank opening of the oil tank is provided with an annular screw joint groove, the oil tank cover is screwed in the screw joint groove, and the lower surface of the oil tank cover is attached to the bottom of the screw joint groove; an annular groove is formed at the bottom of the threaded connection groove; an O-shaped ring matched with the annular groove is arranged in the annular groove; a rotary rod is arranged in the center of the upper surface of the oil tank cover; the upper end of the rotating rod is provided with a rotating head.

7. The intelligent integrated brake of the new energy vehicle as claimed in claim 1, wherein: and the inner wall of the right side of the oil return hole is flush with the side wall of the left side of the oil return groove.