CN102229336A

CN102229336A - Adjustor of braking relay valve

Info

Publication number: CN102229336A
Application number: CN2011101029060A
Authority: CN
Inventors: 周旭斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-25
Filing date: 2011-04-25
Publication date: 2011-11-02
Anticipated expiration: 2031-04-25
Also published as: CN102229336B

Abstract

The invention relates to an adjustor of a braking relay valve. The adjustor is mainly characterized in that: a big air cylinder, a small air cylinder and a valve installing hole are sequentially arranged inside a cylinder body, a spacing clamp spring is arranged on a corresponding position of the interior of the big air cylinder; an adjusting and controlling pore path, which is penetrated through the big air cylinder and the valve installing hole, is arranged on an entity position of the small air cylinder; a small convex cylindrical piston, which is slightly longer than the small air cylinder, is fixedly arranged under the big piston; an adjusting spring, an adjusting and compressing member and an adjusting screw are arranged on the small convex cylindrical piston; venting pore paths, which are communicated, are arranged in the centers of the big piston and the small piston; the air cylinder body at the middle lower part of the adjusting and controlling pore path is provided with an adjusting and controlling pore path connecting hole which is communicated with the adjusting and controlling pore path, and connecting holes which are communicated with the small air cylinder in a staggering way; and vent holes are arranged on an air cylinder cover. The adjustor of the braking relay valve has the advantages of capability of automatically adjusting the braking air pressure of the braking relay valve, firm braking of a loaded car and firm emergent braking, good rapid braking effect, capability of decelerating stably during empting and light braking, no premature locking, reduction of 'taking-off', side-slipping and gnawing badly between tires and the ground, wide application range, safety, reliability and obvious social benefits.

Description

Brake relay valve regulating control

Technical field

The present invention relates to a kind of relay valve regulating control, particularly a kind of brake relay valve regulating control.

Background technology

Existing brake relay valve regulating control all is corresponding one by one brake relay valve, and just a kind of brake relay valve regulating control can only use on a kind of brake relay valve, can not use according to the braking pressure different adjustment of brake relay valve; So, to use singlely, scope is narrow.Particularly can not be according to empty wagons, gently stop, loaded vehicle, anxious automatically regulating brake relay valve braking pressure such as stop, so, empty wagons or gently easily locking too early in a flash, the easy take-off of tire, wear and tear, gnaw bad, it is serious to break away, and loaded vehicle or urgency are stopped not firm, and braking distance is long, snap catch weak effect, safety can not get guaranteeing.

Summary of the invention

At above problem, the purpose of this invention is to provide a kind of can regulate use according to the braking pressure of brake relay valve and can be according to the brake relay valve regulating control of the auto-control brake relay valve braking pressure that gently, heavily touches on the brake.

A kind of brake relay valve regulating control.Comprise cylinder block, cylinder head, big piston and valve, it is characterized in that: be provided with big cylinder, little cylinder and valve placement hole in the cylinder block successively, and establish on the corresponding site in big cylinder spacing jump ring is housed, on the physical location of little cylinder, offer the regulation and control duct that connects big cylinder and valve placement hole; Big piston is the patty piston, it adorns the intrinsic cylindrical valve piston of slightly being longer than the convex shape of little cylinder down, establish on it and regulating spring is housed, regulates casting die and is arranged on governing screw on the cylinder head, and offer the vent of connection in big piston and valve piston central authorities; On the cylinder block of regulation and control middle and lower part, duct, offer and regulate and control the regulation and control duct connecting bore that the duct communicates, on the corresponding site of the cylinder block that staggers with regulation and control duct connecting bore, offer the connecting bore that communicates with little cylinder, on cylinder head, offer deflation hole.

The object of the present invention is achieved like this: utilize to establish to be contained in the governing screw on the cylinder head and to be arranged on adjusting casting die on the regulating spring, regulate the pressure of regulating spring according to the braking pressure of brake relay valve, use thereby realize to regulate according to the braking pressure of brake relay valve to big piston; Utilize the outstanding microcephaly of the cylindrical valve piston of the convex shape of slightly being longer than little cylinder, valve is backed down, make respectively and regulate and control duct connecting bore and connecting bore perforation with the little cylinder and the big cylinder perforation bonded assembly of the relay valve that brakes, thereby the little cylinder of brake relay valve and big cylinder are connected, gently stop or can steadily slow down during empty wagons, reduce tire and gnaw bad with ground take-off sideslip; Utilization is opened in the regulation and control duct that runs through big cylinder and valve placement hole on the little cylinder block position, be opened in the vent of big piston and valve piston central authorities, be opened in the deflation hole on the cylinder head and be arranged on spacing jump ring on the corresponding site of big cylinder, make heavy brake, loaded vehicle or suddenly stop firmly in a flash, shorten braking distance, play the snap catch effect.So, can not only regulate using according to the braking pressure of brake relay valve, loaded vehicle and suddenly stop firmly shortens braking distance, and snap catch is effective, empty wagons and gently steadily slowing down in a flash, locking too early reduces tire and ground take-off sideslip and gnaws bad; Have also that range of use is wide, braking effect good, safe and reliable, can reduce advantages such as traffic accident, be a kind of cost performance height, economical and practical, the social benefit relay valve regulating control that significantly brakes.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is an adjustment state scheme drawing of the present invention.

Among the figure: governing screw 1, exhausr port 2, cylinder head 3, cylinder block 4, big cylinder 5, regulating spring 6, spacing jump ring 7, big piston 8, valve piston 9, vent 10, regulation and control duct 11, regulation and control duct connecting bore 12, stingy cylinder 13, valve 14, L shaped attaching parts 15, valve seat 16, valve pull back spring 17, valve placement hole 18, in-line attaching parts 19, connecting bore 20, seal ring 21, regulate casting die 22.

The specific embodiment

Describe in detail below in conjunction with drawings and Examples:

Fig. 1 is a kind of brake king relay valve regulating control of the present invention.Comprise cylinder block 4, cylinder head 3, big piston 8 and valve 14, its main points are: be provided with big cylinder 5, stingy cylinder 13 and valve placement hole 18 in the cylinder block 4 successively, and establish on the corresponding site in big cylinder 5 spacing jump ring 7 is housed, on the physical location of stingy cylinder 13, offer the regulation and control duct 11 that connects big cylinder 5 and valve placement hole 17; Big piston 8 is the patty piston, it adorns the cylindrical valve piston 9 that natural length is slightly larger than the convex shape of little cylinder down, establish on it and regulating spring 6 is housed, regulates casting die 22 and is arranged on governing screw 1 on the cylinder head 3, and offer the vent 10 of connection in the big piston 8 that is fixed together and valve piston 9 central authorities; On the cylinder block 4 of regulation and control 11 middle and lower parts, duct, offer and regulate and control the regulation and control duct connecting bore 12 that duct 11 communicates, on the corresponding site of the cylinder block 4 that staggers with regulation and control duct connecting bore 12, offer the connecting bore 20 that communicates with stingy cylinder 13,, on cylinder head 3, offer exhausr port 2.

Be connected with the stingy cylinder of brake relay valve as long as will regulate and control duct connecting bore 12 during use, the regulation and control duct 11 and the stingy cylinder of brake relay valve are connected; The big cylinder of connecting bore 20 with the brake relay valve is connected, the stingy cylinder 13 and the big cylinder perforation of brake relay valve are got final product.

Utilize governing screw 1 to regulate required brake weight according to the automobile of installing.

When stretcher was gently stepped on, brake relay valve regulating control was an initial condition.At this moment, the cylindrical valve piston 9 of slightly being longer than the convex shape of little cylinder backs down valve, and utilize the small convex head portion of cylindrical valve piston 9 of convex shape and gap that stingy cylinder 13 forms to make respectively and big cylinder connects bonded assembly regulation and control duct connecting bore 12 and connecting bore 20 connects (as shown in Figure 1) with the little cylinder of brake relay valve, thereby the little cylinder of brake relay valve and big cylinder are connected, the little cylinder of relay valve and big cylinder air pressure are equated; So empty wagons and gently steadily slowing down in a flash reduces tire and gnaws bad with ground take-off sideslip.When stretcher is heavily stepped on, be opened in the pressure of the input air pressure in the regulation and control duct 11 that runs through big cylinder 5 and valve placement hole 18 on the little cylinder block position with the stingy cylinder perforation bonded assembly of brake relay valve greater than 6 pairs of big pistons 8 of regulating spring, under the effect of input air pressure big piston 8 is being pushed up on the position that is arranged on the spacing jump ring 7 on the big cylinder corresponding site, valve piston 9 moves thereupon, makes it to form certain clearance with the bottom of stingy cylinder 13; Valve 14 is under the effect of valve pull back spring 17, with 13 mouthfuls of sealings of stingy cylinder, the little cylinder and the big cylinder of brake relay valve are not communicated, Pneumatic pipe cleaner in the brake relay valve big cylinder is crossed the small convex head portion of cylindrical valve piston 9 of the connecting bore 20 that is connected with its perforation and communicates in stingy cylinder 13 and convex shape and the gap of stingy cylinder 13 formation, and the gap of the cylindrical valve piston 9 bottoms formation of stingy cylinder 13 bottoms and convex shape behind the valve closing, vent 10 through being opened in valve piston 9 and big piston 8 central authorities is discharged (see figure 2) from the exhausr port 2 that is opened on the cylinder head 3, makes to step on stretcher facility more; So loaded vehicle can be stopped more firmly with anxious in a flash, shortens braking distance, plays the snap catch effect.

Regulation and control duct connecting bore 12 among the figure and connecting bore 20 stagger angle be 180 the degree.For ease of being connected with the brake relay valve, regulation and control duct connecting bore 12 and connecting bore 20 angle that staggers can be 90 to spend.Regulation and control duct connecting bore 12 and connecting bore 20 angle that staggers is 90 degree or 180 degree.

Claims

1. brake relay valve regulating control, comprise cylinder block (4), cylinder head (3), big piston (8) and valve (14), it is characterized in that: be provided with big cylinder (5), little cylinder (13) and valve placement hole (18) in the cylinder block (4) successively, and establish on the corresponding site in big cylinder (5) spacing jump ring (7) is housed, on the physical location of little cylinder (13), offer the regulation and control duct (11) that connects big cylinder (5) and valve placement hole (17); Big piston (8) is the patty piston, it adorns the intrinsic cylindrical valve piston (9) of slightly being longer than the convex shape of little cylinder down, establish on it and regulating spring (6) is housed, regulates casting die (22) and is arranged on governing screw (1) on the cylinder head (3), and offer the vent 10 of connection in big piston (8) and valve piston (9) central authorities; On the cylinder block (4) of regulation and control middle and lower part, duct (11), offer and regulate and control the regulation and control duct connecting bore (12) that duct (11) communicates, with the corresponding site of the cylinder block (4) that staggers of regulation and control duct connecting bores (12) on offer the connecting bore (20) that communicates with little cylinder (13), on cylinder head (3), offer deflation hole (2).

2. brake relay valve regulating control according to claim 1 is characterized in that: regulation and control duct connecting bore (12) and connecting bore (20) angle that staggers is that 90 degree or 180 are spent.