CN201334006Y

CN201334006Y - Automobile drying tank assembly

Info

Publication number: CN201334006Y
Application number: CNU2008202088197U
Authority: CN
Inventors: 金王强
Original assignee: Zhejiang VIE Science and Technology Co Ltd
Current assignee: Zhejiang VIE Science and Technology Co Ltd
Priority date: 2008-12-31
Filing date: 2008-12-31
Publication date: 2009-10-28
Anticipated expiration: 2018-12-31

Abstract

The utility model discloses an automobile drying tank assembly, which comprises a housing and an inner shell, wherein, the housing is connected with the bottom end of the inner shell through a supporting disk assembly; an oil-filtering component is arranged in a ventilation cavity body between the housing and the inner shell; an oil-discharge component, which is communicated with a reverse blow exhaust port, is arranged between the oil-filtering component and the supporting disk assembly; the oil-filtering component adopts an oil screen; a porous screen is arranged between the oil screen and the inner shell; the oil-discharge component adopts a one-way valve; the one-way valve comprises a frame equipped with an air guide port; the inner edge of the frame penetrates through the bottom part of the inner shell; a valve body is arranged on the outer edge of the frame; an oil guide gap is formed between the valve body and the housing; the top end of the valve body upwards extend to fix the oil-filtering component; and the supporting disk assembly is propped against the bottom end of the valve body. The utility model can effectively seperate oil stains in the compressed air and discharge the oil stains, thereby greatly prolonging the service life of the drying tank assembly, ensuring the drying effect, and further prolonging the life of an automobile chassis pipeline system.

Description

A kind of automobile drying chamber assembly

Technical field

The utility model relates to a kind of brake system of car, particularly relates to the drying chamber assembly in the brake system.

Background technology

During Air compressor air feed in the brake system of car, pressurized air can be carried moisture and be entered in vehicle braking air passage and the braking element, causes the hardware corrosion, make lubrication failure, and when temperature is low, braking element can be frozen, influence braking effect, cause driving dangerous.The dryer assembly utilizes the molecular sieve in the drying chamber to remove moisture in the pressurized air.The drying chamber assembly is installed on the car dryer body, has formed the car dryer assembly, and the wetability pressurized air enters in the drying chamber assembly, absorbs moisture through molecular sieve in the drying chamber, and pressurized air is played desiccation.

China national Department of Intellectual Property has announced a utility model patent that is called the automobile brake air dryer on February 5th, 2007, and notification number is CN2246605.According to the 4th page of the 17th～21 row of its specification sheets as can be known in conjunction with Figure of description, this utility model is in working order the time, the pressurized air of Air compressor enters the walkthrough hydroecium through gas port, the condensed water that this moment, pressurized air produced then flows to and holds in the hydroecium, pressurized air enters molecular sieve again through the upper end in the filter screen arrival drier and carries out drying then by the pore on the tube dish.

This utility model is common drying chamber assembly structure, owing to not only have moisture in the pressurized air, also have greasy dirt, impurity etc. simultaneously, filter screen in this drying chamber assembly can only filter impurity, and moisture can't be separated with greasy dirt, moisture and greasy dirt enter together in company with pressurized air and carry out drying in the molecular sieve, and the existence of greasy dirt has not only influenced the drying effect of molecular sieve, have also shortened the service life of drying chamber simultaneously.

The utility model content

The purpose of this utility model is to provide a kind of automobile drying chamber assembly, existing drying chamber assembly can be effectively solved and greasy dirt can't be separated, greasy dirt and moisture enter together in company with pressurized air and carry out drying in the molecular sieve, and influence the molecular sieve drying effect, shorten the drying chamber problem in service life.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of automobile drying chamber assembly, comprise shell and inner casing, shell is connected by the supporting disk assembly with the inner casing bottom, it is characterized in that: be provided with the oil strain parts in the ventilation cavity between shell and the inner casing, be provided with the oil extraction parts that communicate with the blowback exhausr port between oil strain parts and the supporting disk assembly.

Further, the oil strain parts adopt fuel screen.Fuel screen itself is simple in structure, also is beneficial to simultaneously the assembling of drying chamber assembly integral, and fuel screen can filter greasy dirt also can filter impurity such as dust outward, and does not influence pressure gas and enter in the inner casing.

Further, be provided with the porous net between fuel screen and the inner casing, along corresponding with the outer wall of inner casing, porous net outer is outside and extend upward formation ring-type caulking groove in the porous net, and fuel screen embeds in the caulking groove captives joint with the porous net.Porous net itself can carry out air guide, and in the porous net along being adjacent to the inner casing outer wall, area of contact is big, its outer is fixed together fuel screen again, what make that the valve body of check valve can be more stable plays fixation to fuel screen, has also reduced the difficulty of processing of fuel screen.

Further, the fuel screen cross section is rectangular.The fuel screen regular shape is beneficial to the manufacturing and also is beneficial to assembling in the drying chamber assembly, simultaneously even adsorption filtration greasy dirt.

Further, the oil extraction parts adopt check valve.

Further, check valve comprises the skeleton that is provided with air guide port, in the skeleton along cross-under at inner shell bottom, the skeleton outer is provided with valve body, be provided with the Oil Guide gap between valve body and the shell, the valve body top extends upward and is used for fixing the oil strain parts, and the valve body bottom props up the supporting disk assembly.One-way valve structures is simple, and greasy dirt flows down along the Oil Guide gap and is deposited between supporting disk assembly and the check valve valve body bottom, and greasy dirt can not enter in the inner casing with pressurized air in the dry run, can not flow out drying chamber yet and enter in the dryer body reliable operation.

Preferably, valve body adopts rubber to make, and the rubber oil resistant is ageing-resistant, high resilience, and air-tightness is good.

Further, the inner casing top is provided with end cap, is provided with spring between end cap and the shell, and inner shell bottom is provided with cotton pad, is provided with molecular sieve between end cap and the cotton pad.Cover plate, cotton pad and molecular sieve guarantee the air guide and the drying of pressure gas, and cover plate and spring can be avoided the molecular sieve inner casing that sheds again.

Further, be provided with seal ring between inner casing and the supporting disk assembly, be used to guarantee the air-tightness of inner casing.

Further, the supporting disk assembly is riveted on the bottom of shell.

The utility model can effectively separate the airborne greasy dirt of compression owing to adopted technique scheme, and greasy dirt is discharged; In dry run, closed check valve, pressurized air is flowed through, and greasy dirt is filtered off behind the fuel screen, and the greasy dirt that flows downward along the Oil Guide gap is deposited between check valve and the supporting disk assembly, realizes the separation of greasy dirt; In the blowback process, one-way valve opens, pressurized air blows out drying chamber with the greasy dirt of deposition, discharges by the exhausr port of dryer body, realizes the discharge of greasy dirt.It is ten clean that the pressurized air of this drying chamber assembly of flowing through cleans more, can prolong the service life of drying chamber assembly greatly, guarantees drying effect, thereby also further prolong the life-span of car chassis pipeline system.The utility model automobile drying chamber assembly is applicable in all kinds of car dryer assemblies.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of a kind of automobile drying chamber of the utility model assembly;

Pressurized air flow schematic diagram when Fig. 2 carries out dry run for the utility model;

Pressurized air flow schematic diagram when Fig. 3 carries out the blowback process for the utility model;

Structural representation when Fig. 4 is installed on the dryer body for the utility model.

The specific embodiment

As shown in Figure 1 to Figure 3, a kind of automobile drying chamber of the utility model assembly, comprise shell 1 and inner casing 2, shell 1 is connected by supporting disk assembly 3 with inner casing 2 bottoms, supporting disk assembly 3 is provided with the gas port 31 of pressurized air turnover, supporting disk assembly 3 is riveted on shell 1 bottom, is provided with seal ring 25 between inner casing 2 and the supporting disk assembly 3, is used to guarantee the air-tightness of inner casing 2.Inner casing 2 bottoms are provided with cotton pad 24, on cotton pad 24, place molecular sieve 21 and be full of inner casing 2, inner casing 2 tops are provided with end cap 22, end cap 22 utilizes self gravitation to be used to cover molecular sieve 21, be provided with spring 23 between end cap 22 and the shell 1, spring 23 is in compressive state, and end cap 22 is had straight down thrust, further reinforce the fixing of end cap 22 and inner casing 2, effectively avoid the molecular sieve 21 in the inner casing 2 to shed.

Be provided with the oil strain parts in the ventilation cavity between shell 1 and the inner casing 2, be provided with the oil extraction parts that communicate with the blowback exhausr port between oil strain parts and the supporting disk assembly 3, the oil extraction parts are fixed on the oil strain parts on inner casing 2 outer walls.The oil strain parts adopt the cross section to become the fuel screen 4 of rectangle, but be provided with the porous net 5 of air guide between fuel screen 4 and the inner casing 2, the edge is corresponding with the outer wall of inner casing 2 in the porous net 5, be close on the outer wall of inner casing 2, porous net 5 outers are outside and extend upward formation ring-type caulking groove, and fuel screen 4 embeds in the caulking grooves captives joint with porous net 5.The oil extraction parts adopt check valve 6, check valve 6 comprises the skeleton 61 that is provided with air guide port 63, in the skeleton 61 along cross-under in inner casing 2 bottoms, skeleton 61 outers are provided with valve body 62, be provided with Oil Guide gap 64 between valve body 62 and the shell 1, valve body 62 tops extend upward and prop up porous net 5 outers, fuel screen 4 props up skeleton 61 upper surfaces with porous net 5 integral body, skeleton 61 props up supporting disk assembly 3 upper surfaces, be that check valve 6 can be with fuel screen 4 and porous net 5 overall fixed in the drying chamber assembly, valve body 62 bottoms prop up supporting disk assembly 3, and greasy dirt 7 flows downward from Oil Guide gap 64 and is deposited between valve body 62 bottoms, utilize the deformation of valve body 62 bottoms to realize one-way function.Preferred valve body 62 adopts rubber to make, and the rubber oil resistant is ageing-resistant, high resilience, and air-tightness is good.

As shown in Figure 4, the drying chamber assembly is connected formed automobile dryer assembly on the dryer body 81 by tie bolt 82, adopts 83 sealings of second seal ring between drying chamber assembly and the dryer body 81, guarantees air-tightness.

The utility model working process is as follows:

The dryer assembly carries out dry run: pressurized air direction shown in arrow among Fig. 2 flows, and this moment, check valve 6 was closed, and valve body 62 bottoms of check valve 6 are subjected to the right that certain deformation takes place thrust, further is adjacent to supporting disk assembly 3 surfaces and seals greasy dirt 7.Pressurized air flows to inner casing 2 tops after by the gas port 31 of supporting disk assembly 3, air guide port 63, porous net 5 and fuel screen 4 on check valve 6 skeletons 61, behind pressurized air process fuel screen 4, greasy dirt 7 in the pressurized air is filtered off, flow downward by Oil Guide gap 64, be deposited between supporting disk assembly 3 and the valve body 62.The pressurized air of degreasing 7 enters in the molecular sieve 21 of inner casing 2 after by end cap 22, moisture in the pressurized air becomes dry pressurized air after being adsorbed by molecular sieve 21, dry pressurized air flows out the air extractor duct that arrives dryer body 81 from drying chamber, gives the car chassis pipeline thereby supply with dry pressurized air.

The dryer assembly carries out the blowback process: pressurized air direction shown in arrow among Fig. 3 flows, the moisture that dry pressurized air will be adsorbed in the molecular sieve 21 is taken away from the outflow of inner casing 2 tops, and a pressurized air part flows out by gas port 31 backs of air guide port 63 on fuel screen 4, porous net 5, check valve 6 skeletons 61 and supporting disk assembly 3 when reaching inner casing 2 bottoms; Pressurized air another part acts on check valve 6 valve bodies 62 bottoms, valve body 62 bottoms are subjected to left, and certain deformation takes place in thrust, check valve 6 is opened, pressurized air flows out drying chamber with the greasy dirt 7 of deposition from blowing out the back between supporting disk assembly 3 and the valve body 62, and the pressurized air that is mixed with moisture and greasy dirt 7 is discharged by the blowback exhausr port of dryer body 81.

Claims

1, a kind of automobile drying chamber assembly, comprise shell (1) and inner casing (2), described shell (1) is connected by supporting disk assembly (3) with inner casing (2) bottom, it is characterized in that: be provided with the oil strain parts in the ventilation cavity between described shell (1) and the inner casing (2), be provided with the oil extraction parts that communicate with the blowback exhausr port between described oil strain parts and the described supporting disk assembly (3).

2, a kind of automobile drying chamber assembly according to claim 1 is characterized in that: described oil strain parts adopt fuel screen (4).

3, a kind of automobile drying chamber assembly according to claim 2, it is characterized in that: be provided with porous net (5) between described fuel screen (4) and the described inner casing (2), the edge is corresponding with the outer wall of described inner casing (2) in the described porous net (5), the outer (51) of described porous net (5) is outside and extend upward formation ring-type caulking groove, and described fuel screen (4) embeds in the described caulking groove captives joint with porous net (5).

4, a kind of automobile drying chamber assembly according to claim 3, it is characterized in that: described fuel screen (4) cross section is rectangular.

5, according to any described a kind of automobile drying chamber assembly of claim 1 to 4, it is characterized in that: described oil extraction parts adopt check valve (6).

6, a kind of automobile drying chamber assembly according to claim 5, it is characterized in that: described check valve (6) comprises the skeleton (61) that is provided with air guide port (63), in the described skeleton (61) along cross-under in described inner casing (2) bottom, described skeleton (61) outer is provided with valve body (62), be provided with Oil Guide gap (64) between described valve body (62) and the described shell (1), described valve body (62) top extends upward and is used for fixing described oil strain parts, and described valve body (62) bottom props up described supporting disk assembly (3).

7, a kind of automobile drying chamber assembly according to claim 6 is characterized in that: described valve body (62) adopts rubber to make.

8, a kind of automobile drying chamber assembly according to claim 1, it is characterized in that: described inner casing (2) top is provided with end cap (22), be provided with spring (23) between end cap (22) and the described shell (1), described inner casing (2) bottom is provided with cotton pad (24), is provided with molecular sieve (21) between described end cap (22) and the described cotton pad (24).

9, a kind of automobile drying chamber assembly according to claim 8 is characterized in that: be provided with seal ring (25) between described inner casing (2) and the described supporting disk assembly (3).

10, according to claim 1 or 8 or 9 described a kind of automobile drying chamber assemblies, it is characterized in that: described supporting disk assembly (3) is riveted on the bottom of described shell (1).