CN206926628U

CN206926628U - Vacuum booster with one-way valve structures

Info

Publication number: CN206926628U
Application number: CN201720701596.7U
Authority: CN
Inventors: 郑惠洪
Original assignee: Anne Si (xiamen) Brake Technology Co Ltd
Current assignee: Anne Si (xiamen) Brake Technology Co Ltd
Priority date: 2017-06-16
Filing date: 2017-06-16
Publication date: 2018-01-26
Anticipated expiration: 2027-06-16

Abstract

The utility model discloses the vacuum booster with one-way valve structures, including preceding cylinder and rear cylinder, the preceding cylinder is connected with check valve by sealing ring insertion, the preceding cylinder is connected by preceding cylinder bolt with its inner support panels spiral, and supporting plate is welded by spring and spring base one, it is connected at the center of spring base one by output bar screw with output bar spiral, inside the output bar valve plug is embedded with by reacting rubber, valve body is socketed with the output bar, the valve plug is connected with spring base two by valve bowl, inner spring and outer spring are connected with the spring base two, the valve plug connects with the insertion of action bars one end.In the utility model, when the engine starts, the air in booster is pumped to form vacuum by check valve, prepared at any time to provide power-assisted；The reason for when engine misses because of check valve, the vacuum inside booster will not be lost in, and use during so as to provide emergent, substantially increase its traffic safety.

Description

Vacuum booster with one-way valve structures

Technical field

It the utility model is related to vacuum booster technical field, more particularly to the vacuum booster with one-way valve structures.

Background technology

Vacuum booster is to increase the part that driver puts on power on pedal, vacuum booster using vacuum (negative pressure) It is normally between brake pedal and master cylinder, for ease of installation, a component, a part for master cylinder is generally synthesized with master cylinder It is deep into vacuum booster housing, after vacuum booster is by automobile engine starting, booster is vacuumized, by it The pressure difference relation of portion's atmospheric pressure, producing certain power-assisted makes the power reduction that enters required on brake pedal more easily be stopped so as to reach Car.

The vacuum booster of early stage directly one suction pipe of electric welding at preceding cylinder is formed integrally, is helped after engine misses Quick moment is lost in by the vacuum in power device, then booster moment lose assist function, be unfavorable for traffic safety, and welding Easily caused in journey and weld not in place and cause vacuum leakage, the power-assisted effect of booster will reduce or failure.

Utility model content

The purpose of this utility model be in order to solve shortcoming present in prior art, and propose with one-way valve structures Vacuum booster.

To achieve these goals, the utility model employs following technical scheme：Vacuum servo with one-way valve structures Device, including preceding cylinder and rear cylinder, the preceding cylinder are connected with check valve by sealing ring insertion, and the preceding cylinder passes through preceding cylinder bolt and its Inner support panels spiral is connected, and supporting plate is welded by spring and spring base one, passes through output at the center of spring base one Bar screw is connected with output bar spiral, is embedded with valve plug by reacting rubber inside the output bar, is socketed on the output bar There is valve body, the valve plug is connected with spring base two by valve bowl, inner spring and outer spring are connected with the spring base two, described Valve plug connects with the insertion of action bars one end, is socketed with sphere filter and noise reduction circle on the action bars, the action bars other end is consolidated Surely there is rear cylinder, the rear cylinder is connected with stopping ring by rear cylinder bolt spiral, and the rear cylinder is fixed with epithelium by epithelium plate, institute State on action bars through being socketed with rear potting circle at rear cylinder, and dirt-proof boot is socketed with rear potting circle, the action bars passes through Nut is fixedly connected with U-shaped fork.

As further describing for above-mentioned technical proposal：On the preceding cylinder and supporting plate on offer two connection before cylinder The screw of bolt, and the screw on preceding cylinder and in supporting plate is located in same horizontal line.

As further describing for above-mentioned technical proposal：The output bar and one end of output bar screw connection offer company Screw is connect, and the internal diameter of connecting screw hole is identical with the external diameter of output bar.

As further describing for above-mentioned technical proposal：Only key is connected with the valve body.

As further describing for above-mentioned technical proposal：Cylinder bolt is connected with four, and cylinder bolt after four altogether after described It is symmetrical two-by-two.

In the utility model, first by matched design again, an easy check valve is designed, its material directly uses PP Material, its function is exactly that gas can only be passed in and out unidirectionally, then matched design sealing ring, while the perforate at preceding cylinder, passes through sealing ring handle Before check valve is assemblied in the hole of cylinder, sealing effectiveness is reached with this, secondly, when the engine starts, by check valve power-assisted Air in device pumps to form vacuum, is prepared at any time to provide power-assisted；The reason for when engine misses because of check valve, power-assisted Vacuum inside device will not be lost in, and use during so as to provide emergent, its traffic safety is substantially increased, further, in finished product During assembling, the reason in the connection of front and rear cylinder non-riveted because of check valve, it is front and rear in full of vacuum without departing from being improved with convenient to operate Its production efficiency.

Brief description of the drawings

Fig. 1 be the utility model proposes the vacuum booster with one-way valve structures structural representation explosive view.

Fig. 2 be the utility model proposes the vacuum booster with one-way valve structures structural representation figure structure schematic representation.

Marginal data：

Cylinder bolt, 5- supporting plates, 6- springs, 7- output bars screw, 8- before cylinder, 2- sealing rings, 3- check valves, 4- before 1- Spring base one, 9- outputs bar, 10- reaction rubber, 11- spring bases two, 12- valve bodies, 13- valve plugs, 14- valves bowl, 15- inner springs, 16- outer springs, 17- action bars, 18- sphere filters, 19- noise reductions circle, 20- epitheliums plate, 21- epitheliums, 22- stop ring, cylinder after 23-, Potting circle, 26- dirt-proof boots, 27-U types fork, 28- nuts, 29- stop key after cylinder bolt, 25- after 24-.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.

Reference picture 1-2, the vacuum booster with one-way valve structures, including preceding cylinder 1 and rear cylinder 23, preceding cylinder 1 pass through sealing ring 2 Insertion is connected with check valve 3, and preceding cylinder 1 is connected by preceding cylinder bolt 4 with its spiral of inner support panels 5, and supporting plate 5 passes through spring 6 weld with spring base 1, are connected at the center of spring base 1 by output bar screw 7 with the spiral of output bar 9, inside output bar 9 Valve plug 13 is embedded with by reacting rubber 10, valve body 12 is socketed with output bar 9, valve plug 13 is connected with spring base by valve bowl 14 2 11, inner spring 15 and outer spring 16 are connected with spring base 2 11, valve plug 13 connects with the insertion of the one end of action bars 17, action bars Sphere filter 18 and noise reduction circle 19 are socketed with 17, the other end of action bars 17 is fixed with rear cylinder 23, and rear cylinder 23 passes through rear cylinder bolt 24 Spiral, which is connected with, stops ring 22, and rear cylinder 23 is fixed with epithelium 21 by epithelium plate 20, through covering at rear cylinder 23 on action bars 17 Rear potting circle 25 is connected to, and dirt-proof boot 26 is socketed with rear potting circle 25, action bars 17 is fixedly connected with U-shaped fork by nut 28 27。

The screw of cylinder bolt 4 before two connections is offered on preceding cylinder 1 and in supporting plate 5, and on preceding cylinder 1 and supporting plate Screw on 5 is located in same horizontal line, and output bar 9 offers connecting screw hole with one end that output bar screw 7 is connected, and connects The internal diameter of screw is identical with the external diameter of output bar 9, is connected with only key 29 on valve body 12, and rear cylinder bolt 24 is connected with four altogether, and Cylinder bolt 24 is symmetrical two-by-two after four.

Operation principle：The vacuum booster with one-way valve structures by engine to booster inside in use, taken out very Sky, front and rear two chambers are simultaneously filled with vacuum in power-assisted, and U-shaped fork 27 is connected on brake pedal by pin, when brake pedal is stepped on When, by attachment structure will promote booster action bars 17, when action bars 17 promotes certain stroke, when valve bowl 14 depart from valve During body 12, the back cavity in booster will be opened, and air moment enters back cavity；The now front and rear chamber isolation of booster, because of atmospheric pressure Strong relation, back cavity drives epithelium 21 and epithelium plate 20 to be promoted to ante-chamber, while drives output bar 9 to advance, and plays power-assisted effect, Output bar 9 is connected on master cylinder, makes to establish the hydraulic coupling needed for braking, when loosening the brake, booster in master cylinder Interior spring 6 recovers pushing mechanism to original state, while valve bowl 14 contacts with valve body 12, front and rear chamber insertion, what is started Vacuumize down, chamber is simultaneously filled with vacuum again before and after booster, is prepared for next start.

It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model Within enclosing.

Claims

1. the vacuum booster with one-way valve structures, including preceding cylinder (1) and rear cylinder (23), it is characterised in that the preceding cylinder (1) is logical Cross sealing ring (2) insertion and be connected with check valve (3), the preceding cylinder (1) passes through preceding cylinder bolt (4) and its inner support panels (5) spiral shell Rotation connection, and supporting plate (5) is welded by spring (6) and spring base one (8), passes through output at described (8) center of spring base one Bar screw (7) is connected with output bar (9) spiral, and the output bar (9) is internal to be embedded with valve plug (13) by reacting rubber (10), Valve body (12) is socketed with the output bar (9), the valve plug (13) is connected with spring base two (11) by valve bowl (14), described Inner spring (15) and outer spring (16) are connected with spring base two (11), the valve plug (13) connects with the insertion of action bars (17) one end Connect, sphere filter (18) and noise reduction circle (19) are socketed with the action bars (17), after action bars (17) other end is fixed with Cylinder (23), the rear cylinder (23) is connected with by rear cylinder bolt (24) spiral stops ring (22), and the rear cylinder (23) passes through epithelium Plate (20) is fixed with epithelium (21), and rear potting circle (25) is socketed with through rear cylinder (23) place on the action bars (17), and after Dirt-proof boot (26) is socketed with potting circle (25), the action bars (17) is fixedly connected with U-shaped fork (27) by nut (28).

2. the vacuum booster according to claim 1 with one-way valve structures, it is characterised in that on the preceding cylinder (1) and Offered in supporting plate (5) two connection before cylinder bolt (4) screw, and on preceding cylinder (1) with supporting plate (5) on screw In same horizontal line.

3. the vacuum booster according to claim 1 with one-way valve structures, it is characterised in that the output bar (9) with One end of output bar screw (7) connection offers connecting screw hole, and the internal diameter of connecting screw hole is identical with the external diameter of output bar (9).

4. the vacuum booster according to claim 1 with one-way valve structures, it is characterised in that connect on the valve body (12) It is connected to only key (29).

5. the vacuum booster according to claim 1 with one-way valve structures, it is characterised in that cylinder bolt (24) after described Four are connected with altogether, and cylinder bolt (24) is symmetrical two-by-two after four.