CN105032134A - Oil filtering drying cylinder and air drier adopting same - Google Patents
Oil filtering drying cylinder and air drier adopting same Download PDFInfo
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- CN105032134A CN105032134A CN201510454295.4A CN201510454295A CN105032134A CN 105032134 A CN105032134 A CN 105032134A CN 201510454295 A CN201510454295 A CN 201510454295A CN 105032134 A CN105032134 A CN 105032134A
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Abstract
The invention relates to an oil filtering drying cylinder and an air drier adopting the same. The oil filtering drying cylinder comprises a drying cylinder housing (5), a gland (16), a water-absorption molecular sieve (6), end covers (11) and filters (i), wherein each filter (i) comprises an oil absorption non-woven fabric (7) which is propped against a fixed seat (8); three parts namely an upper gland, a lining net and a lower gland in the prior art are replaced with the fixed seats (8), so that the mounting cost and assembly cost of parts are reduced greatly; in addition, the fixed seats are made of plastic, and the efficiency is improved; the oil absorption non-woven fabrics (7) are directly wound on the fixed seats (8) and then fed into the drying cylinder housing (5) to be fixed by the housing, so that assembly is convenient, the assembly cost is reduced and the service life is longer. In addition, the whole bottom of the drying cylinder is sealed through check valves (9) made of rubber material, and the fact that rubber does not play the effects of the check valves due to failure is prevented through adoption of the fixed seats.
Description
Technical field
The present invention relates to the drying technical field in vehicle air brakes, in particular to a kind of oil strain drying and the air dryer adopting this drying.
Background technology
For using the vehicle of Pneumatic brake systems, compressed-air actuated clean and dry extremely important to traffic safety.When compressed air enters brake piping or valve element, air themperature can decline, and then produces condensed water in brake piping.By water solidifying in brake line, freeze or corrosion and the braking system faults that causes usually causes high risks.Air drying cylinder complex structure of the prior art, assembling difficulty large, manufacturing cost is high.
As shown in Figure 1, 2, oil strain drying of the prior art and adopt the air dryer of this drying to comprise shell 5, oil suction non-woven fabrics 7, upper press cover 23, lower cover 2, lining net and end cap 11, being provided with water suction molecular sieve 6 in shell 5 for absorbing the moisture entered in drying cavity, avoiding causing corrosion to cavity.During the assembling of this drying, water suction non-woven fabrics 7 and upper press cover 23, lower cover 2 need when assembling to fix (as shown in Figure 2) with glue, and only have two ends to fix, and middle without fixing, assembly difficulty is high and cost is high; In addition, in use this product at high temperature under high pressure, and glue easily lost efficacy and causes assembly not have to act in advance, and service life is short.
The such as Chinese utility model patent of Authorization Notice No. CN202061535U, it discloses a kind of oil strain drying and adopt the air dryer of this drying, it comprises shell, inner casing, absorbent drying block, absorbent drying ring, oil removal filter.Circular passage is formed between described shell and described inner casing.Described oil removal filter is placed in the top of described air dryer and inner side.Described absorbent drying block is placed in the middle part of described air dryer and inner side.Described absorbent drying block is placed in the bottom of described air dryer assembly and outside.Described absorbent drying ring is connected by circular passage with between described oil removal filter.Described oil removal filter and described absorbent drying block are placed among inner casing successively along the axis direction of air dryer.Compared with prior art, owing to improving the removal order to moisture in compressed air and mist of oil, ensure that the stable of oil removal filter performance; After enclosure location installs protecting cover additional, it is very convenient that maintenance personal changes dismounting air dryer.But by the normal work of the whole drier of impact when temperature is lower; Though can reach deoiling effect, degreasing unit is placed in drier inside by it, the condition do not cleaned degreasing unit or change, but backflow recoils, the machine oil composition of non-emptying is through long time integration, also can infiltrate molecular sieve and make molecular sieve premature failure.
The Chinese utility model patent of such as CN203379788U again, it discloses a kind of drying system of automobile-used brake piping, particularly a kind of dryer for car.The utility model provides following technical scheme: a kind of dryer for car, include shell, be located at the inner casing in shell inner cavity, be located at the terminal pad of shell inner cavity opening part, the axial two ends of inner casing are respectively equipped with air admission hole and steam vent, air passing clearances is provided with between shell and inner casing, inner casing is near the air admission hole of cover top portion and this air passing clearances conducting, terminal pad is provided with the air outlet slit with the air intlet of air passing clearances conducting and the steam vent conducting with inner casing, molecular sieve is provided with in inner casing, greasy dirt absorbing cavity is provided with between air passing clearances between air intlet on terminal pad and shell and inner casing, greasy dirt absorbing mechanism is provided with in this greasy dirt absorbing cavity.But need be fixed by glue when greasy dirt absorbing mechanism installs, assembly difficulty is high and cost is high.
Summary of the invention
In order to solve in prior art that prior art exists, air oxygen detrition barrel structure is complicated, assembling difficulty is large, manufacturing cost is high, the invention provides a kind of oil strain drying and adopt the air dryer of this drying, instead of upper press cover of the prior art, lining net, lower cover 3 parts with holder, greatly reduce installation cost and parts organizing cost, and holder makes plastic production into, improved efficiency.
To achieve these goals, technical scheme of the present invention is:
A kind of oil strain drying and adopt the air dryer of this drying, oil strain drying comprises drying shell, end cap and filter, be provided with gland and water suction molecular sieve in drying shell, described filter comprises oil suction non-woven fabrics, and described oil suction non-woven fabrics is resisted against on holder; Oil suction non-woven fabrics is directly wrapped on holder.
Preferably, the bottom of drying adopts check valve to seal.
In above-mentioned either a program preferably, elastomeric material selected by described check valve.
In above-mentioned either a program preferably, described check valve is positioned at holder.
In above-mentioned either a program preferably, the lower end abutment of described check valve is on connecting ring.
In above-mentioned either a program preferably, described connecting ring and contact site, shell lower end are provided with O-ring seals.
In above-mentioned either a program preferably, the top of described water suction molecular sieve is provided with the first drying sheet.
In above-mentioned either a program preferably, the bottom of described water suction molecular sieve is provided with the second drying sheet.
In above-mentioned either a program preferably, the top of described gland is provided with Compress Spring.
In above-mentioned either a program preferably, described end cap is provided with O-ring seal.
In above-mentioned either a program preferably, leave gap between described drying shell and water suction molecular sieve, this gap is doughnut.
Another aspect of the present invention provides a kind of air dryer, comprises oil strain drying, adopts the oil strain drying of above-mentioned arbitrary preferred version.
In above-mentioned either a program preferably, be provided with heater in this air dryer, when temperature is lower than 7 ± 6 degrees Celsius, heater is connected, and when temperature reaches 29 ± 4 degrees Celsius, heater disconnects.
In above-mentioned either a program preferably, this air dryer is provided with air inlet, exhaust outlet, inlet chamber, the second chamber, the first chamber, discharge chamber, through hole and drain tap.
In above-mentioned either a program preferably, this air dryer is also provided with the first delivery outlet and the second delivery outlet.
In above-mentioned either a program preferably, the end of described first delivery outlet is provided with check valve; The end of the second delivery outlet is provided with throttle orifice.
In above-mentioned either a program preferably, an external four-loop protection valve on described first delivery outlet; Second delivery outlet is connected with regeneration gas receiver.
In above-mentioned either a program preferably, described first chamber is communicated with the first delivery outlet by passage.
In above-mentioned either a program preferably, leather cup is provided with in described first chamber.
In above-mentioned either a program preferably, the lower end of described second chamber is provided with exhaust pition.
In above-mentioned either a program preferably, separated by valve between described first chamber and the second chamber.
In above-mentioned either a program preferably, described air inlet is connected with air compressor machine.
Oil strain drying of the present invention and adopt the air dryer of this drying to have following characteristics in sum: oil suction non-woven fabrics is resisted against on holder, instead of upper press cover of the prior art, lining net, a lower cover parts with holder, greatly reduce installation cost and parts organizing cost, and holder makes plastic production into, improved efficiency; Oil suction non-woven fabrics is directly wrapped in loading drying shell shell after on holder and fixes, convenient for assembly, reduces assembly cost and longer service life; The bottom of whole drying adopts the check valve of elastomeric material to seal, and utilizes holder prevent counter the urging of rubber and do not have check valve effect; For ensureing the normal work at cold district drain tap and valve, drying housing installs heater additional, when temperature is lower than 7 degrees Celsius, heater is connected, and when temperature reaches 29 degrees Celsius, heater disconnects.
Accompanying drawing explanation
Fig. 1 is the structural representation of air drying cylinder in prior art.
Fig. 2 is the enlarged drawing at I place in Fig. 1.
Fig. 3 is according to oil strain drying of the present invention and the structural representation of a preferred embodiment of air dryer adopting this drying.
Fig. 4 for according to oil strain drying of the present invention and adopt this drying air dryer Fig. 3 shown in the working state figure of preferred embodiment.
Attached number in the figure:
Upper press cover 23, lower cover 2, exhaust outlet 3, first drying sheet 4, drying shell 5, water suction molecular sieve 6, oil suction non-woven fabrics 7, holder 8, check valve 9, connecting ring 10, end cap 11, O-ring seal 12, O-ring seals 13, second drying sheet 14, Compress Spring 15, gland 16, first delivery outlet 21, second delivery outlet 22, air inlet 1, drying upper end a, inlet chamber A, second chamber B, discharge chamber C, first chamber D, check valve c, throttle orifice d, exhaust pition e, drain tap f, heater g, filter i, doughnut k, through hole L, leather cup m, valve n, passage x.
Detailed description of the invention
Below in conjunction with Figure of description to oil strain drying of the present invention and adopt the detailed description of the invention of the air dryer of this drying to be further described.
In order to solve prior art air drying cylinder complex structure, assembling difficulty is large, manufacturing cost is high, the invention provides a kind of oil strain drying and adopt the air dryer of this drying, instead of upper press cover of the prior art, lining net, lower cover 3 parts with holder, greatly reduce installation cost and parts organizing cost, and holder makes plastic production into, improved efficiency.
As shown in Figure 3, according to oil strain drying of the present invention and the general assembly drawing of a preferred embodiment of air dryer adopting this drying.A kind of oil strain drying and adopt the air dryer of this drying, oil strain drying comprises drying shell 5, end cap 11 and filter i, gland 16 and water suction molecular sieve 6 is provided with in drying shell 5, described filter i comprises oil suction non-woven fabrics 7, and described oil suction non-woven fabrics 7 is resisted against on holder 8; Oil suction non-woven fabrics 7 is directly wrapped on holder 8.
During oil strain filter assembly assembling of the prior art, oil suction non-woven fabrics 7, upper press cover 23 and lower cover 2 need when assembling to fix (as shown in Figure 1) with glue, two ends are only had to fix, middle without fixing, assembly difficulty is high and cost is high, in addition in use this product at high temperature under high pressure, glue easily lost efficacy and causes assembly not have to act in advance.Drying in the present invention carries out direct being wrapped in by oil suction non-woven fabrics 7 after improvement and holder 8 installs rear loading drying shell 5 fixes with shell, convenient for assembly, reduces assembly cost and longer service life.
In the present embodiment, the bottom of drying adopts check valve 9 to seal.
In the present embodiment, elastomeric material selected by described check valve 9.
In the present embodiment, described check valve 9 is positioned at holder 8.
Adopt seal assembly to seal in prior art, by ironware and the vulcanization of rubber, complex process, processing cost is high, directly adopts the check valve 9 of elastomeric material and utilize holder 8 prevent counter the urging of rubber and do not have check valve effect after improving.
In the present embodiment, the lower end abutment of described check valve 9 is on connecting ring 10.
In the present embodiment, described connecting ring 10 is provided with O-ring seals 13 with contact site, shell 5 lower end.
In the present embodiment, the top of described water suction molecular sieve 6 is provided with the first drying sheet 4.
In the present embodiment, the bottom of described water suction molecular sieve 6 is provided with the second drying sheet 14.
First drying sheet 4 is set and the second drying sheet 14 fully can absorb the moisture in water suction molecular sieve 6.
In the present embodiment, the top of described gland 16 is provided with Compress Spring 15.The air pressure entering into the first delivery outlet 21 arrives the first chamber D through passage x simultaneously, act on leather cup m, when the pressure energy of the first chamber D internal gas pressure overcomes the spring force of pressure regulation Compress Spring 15, valve n opens, air pressure arrives the second chamber B, act on exhaust pition e, overcome the spring force of Compress Spring 15, exhaust pition e promotes downwards to open drain tap f, condensed water originally at discharge chamber C place and impurity are discharged in the present embodiment from exhaust outlet 3, and described end cap 11 is provided with O-ring seal 12.
In the present embodiment, leave gap between described drying shell 5 and water suction molecular sieve 6, this gap is doughnut k.When compressed air enters into inlet chamber A, through hole L also simultaneously in connecting ring 10 enters, particle drying cylinder upper end a (filter i will be carried the greasy dirt of coming to intercepting at drain tap f thoroughly by air compressor machine in this process) is flow to through oil strain filter i and doughnut k, again through water suction molecular sieve 6, moisture content is departed from the upside at the first drying sheet 4 and the second drying sheet 14.
In the present embodiment, be provided with heater g in air dryer, when temperature is lower than 7 degrees Celsius, heater g connects, and when temperature reaches 29 degrees Celsius, heater g disconnects.
In another embodiment of the present invention, be provided with heater g in air dryer, when temperature is lower than 13 degrees Celsius, heater g connects, and when temperature reaches 33 degrees Celsius, heater disconnects.
In one more embodiment of the present invention, be provided with heater g in air dryer, when temperature is lower than 1 degree Celsius, heater g connects, and when temperature reaches 25 degrees Celsius, heater disconnects.
In the present embodiment, air inlet 1, exhaust outlet 3, inlet chamber A, the second chamber B, the first chamber D, discharge chamber C, through hole L and drain tap f is provided with in described air dryer.
In the present embodiment, described filter i is communicated with discharge chamber 3 by passage L.Moisture content on molecular sieve is through doughnut k, and most water and a part of air pressure are through check valve c, and passage L directly arrives discharge chamber C, discharge from exhaust outlet 3; Another part air pressure and a small amount of moisture, through filter i, by the greasy dirt on filter i with impurity is counter urges on passage L, are discharged through exhaust outlet 3.
In the present embodiment, this air dryer is also provided with the first delivery outlet 21 and the second delivery outlet 22.
In the present embodiment, the end of described first delivery outlet 21 is provided with check valve c; The end of the second delivery outlet 22 is provided with throttle orifice d.
In the present embodiment, an external four-loop protection valve on described first delivery outlet 21, protects drying; Second delivery outlet 22 is connected with regeneration gas receiver, gets up to recycle by clean air storage.
In the present embodiment, described first chamber D is communicated with the first delivery outlet 21 by passage x.
In the present embodiment, leather cup m is provided with in described first chamber D.
In the present embodiment, the lower end of described second chamber B is provided with exhaust pition e.
When the pressure energy of the first chamber D internal gas pressure overcomes the spring force of pressure regulation Compress Spring 15, valve n opens, air pressure arrives the second chamber B, act on exhaust pition e, overcome the spring force of Compress Spring 15, exhaust pition e promotes downwards to open drain tap f, and the condensed water originally at discharge chamber C place and impurity are discharged from exhaust outlet 3.
In the present embodiment, separated by valve n between described first chamber D and the second chamber B.
In the present embodiment, described air inlet 1 is connected with air compressor machine.
Next consult shown in Fig. 4, according to oil strain drying of the present invention and adopt this drying air dryer Fig. 3 shown in the working state figure of preferred embodiment.
Use after assembling with the air dryer of drying and brakes in the present invention, its operation principle is:
Enter inlet chamber A from air compressor machine compressed air out through air inlet 1, at this moment because temperature declines, can produce condensed water, condensed water to discharge chamber C, therefore will set up oil strain filter i and moisture absorbing device through passage.
When compressed air enters into inlet chamber A, through hole L also simultaneously in connecting ring 10 enters, particle drying cylinder upper end a (filter i will be carried the greasy dirt of coming to intercepting at drain tap f thoroughly by air compressor machine in this process) is flow to through oil strain filter i and doughnut k, again through water suction molecular sieve 6, moisture content is departed from the upside at the first drying sheet 4 and the second drying sheet 14.Clean air part air pressure after filter i process arrives the first delivery outlet 21 through check valve c, is transported on gas equipment; Part air pressure reaches the second delivery outlet 22 through throttle orifice d, is then transported to (capacity of the regeneration gas receiver in the present invention is 5L, can certainly increase the capacity of regeneration gas receiver as required) in regeneration gas receiver.
The air pressure entering into the first delivery outlet 21 arrives the first chamber D through passage x simultaneously, act on leather cup m, when the pressure energy of the first chamber D internal gas pressure overcomes the spring force of pressure regulation Compress Spring 15, valve n opens, air pressure arrives the second chamber B, act on exhaust pition e, overcome the spring force of Compress Spring 15, exhaust pition e promotes downwards to open drain tap f, condensed water originally at discharge chamber C place and impurity are discharged from exhaust outlet 3, now 5L regenerates the air pressure of gas receiver through second mouthful 22, throttle orifice d, instead urge water suction molecular sieve 6, by the moisture content on molecular sieve through doughnut k, most water and a part of air pressure are through check valve c, passage L directly arrives discharge chamber C, discharge from exhaust outlet 3, another part air pressure and a small amount of moisture, through filter i, by the greasy dirt on filter i with impurity is counter urges on passage L, are discharged through exhaust outlet 3.
Exhaust pition e has the effect of pressure relief valve, and when any hypertonia, exhaust pition e will open drain tap f automatically.When the second delivery outlet 22 air pressure is reduced to the closing presure of valve n, valve n closes, and drain tap f closes simultaneously.This process is one-period, and air compressor machine again air feed, drying will start again to air system air feed.
Oil strain drying of the present invention and adopt the air dryer of this drying to have following characteristics in sum: oil suction non-woven fabrics 7 is resisted against on holder 8, instead of upper press cover of the prior art, lining net, lower cover 3 parts with holder 8, greatly reduce installation cost and parts organizing cost, and holder makes plastic production into, improved efficiency; Oil suction non-woven fabrics 7 is directly wrapped in loading drying shell 5 after on holder 8 and fixes with shell, convenient for assembly, reduces assembly cost and longer service life; The bottom of whole drying adopts the check valve 9 of elastomeric material to seal, and utilizes holder 8 prevent counter the urging of rubber and do not have check valve effect; For ensureing, in the normal work of cold district drain tap f and valve n, drying housing to install heater g additional, when temperature is lower than 7 degrees Celsius, heater g connects, and when temperature reaches 29 degrees Celsius, heater disconnects.
It will be apparent to those skilled in the art that oil strain drying of the present invention and adopt the air dryer of this drying to comprise any combination of each several part in this description.As space is limited and in order to be make description simple and clear, these combinations are not introduced one by one in detail at this, but after having seen this description, the scope of the present invention that any combination of each several part be made up of this description is formed is self-evident.
Claims (10)
1. an oil strain drying, described oil strain drying comprises drying shell (5), end cap (11) and filter (i), gland (16) and water suction molecular sieve (6) is provided with in drying shell (5), described filter (i) comprises oil suction non-woven fabrics (7), it is characterized in that: described oil suction non-woven fabrics (7) is resisted against on holder (8); Oil suction non-woven fabrics (7) is directly wrapped on holder (8).
2. oil strain drying as claimed in claim 1, is characterized in that: the bottom of drying shell (5) adopts check valve (9) to seal.
3. oil strain drying as claimed in claim 2, is characterized in that: elastomeric material selected by check valve (9).
4. oil strain drying as claimed in claim 2, is characterized in that: check valve (9) is positioned at holder (8).
5. oil strain drying as claimed in claim 2, is characterized in that: the lower end abutment of check valve (9) is on connecting ring (10).
6. oil strain drying as claimed in claim 5, is characterized in that: connecting ring (10) and shell (5) contact site, lower end are provided with O-ring seals (13).
7. oil strain drying as claimed in claim 1, is characterized in that: the top of water suction molecular sieve (6) is provided with the first drying sheet (4).
8. oil strain drying as claimed in claim 1, is characterized in that: the bottom of water suction molecular sieve (6) is provided with the second drying sheet (14).
9. oil strain drying as claimed in claim 1, is characterized in that: the top of gland (16) is provided with Compress Spring (15).
10. oil strain drying as claimed in claim 1, is characterized in that: end cap (11) is provided with O-ring seal (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454295.4A CN105032134A (en) | 2015-07-30 | 2015-07-30 | Oil filtering drying cylinder and air drier adopting same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454295.4A CN105032134A (en) | 2015-07-30 | 2015-07-30 | Oil filtering drying cylinder and air drier adopting same |
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| CN105032134A true CN105032134A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510454295.4A Pending CN105032134A (en) | 2015-07-30 | 2015-07-30 | Oil filtering drying cylinder and air drier adopting same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017102960A1 (en) * | 2015-12-18 | 2017-06-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Air dryer cartridge |
| WO2018077833A1 (en) * | 2016-10-27 | 2018-05-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Air dryer cartridge |
| CN112672800A (en) * | 2018-09-11 | 2021-04-16 | 曼·胡默尔有限公司 | Drying system, dryer cartridge and use of a dryer cartridge |
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| CN204891553U (en) * | 2015-07-30 | 2015-12-23 | 瑞立集团瑞安汽车零部件有限公司 | Oil strain cylinder drier and adopt air dryer of this cylinder drier |
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| WO2017102960A1 (en) * | 2015-12-18 | 2017-06-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Air dryer cartridge |
| US10723341B2 (en) | 2015-12-18 | 2020-07-28 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Air dryer cartridge |
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| CN112672800A (en) * | 2018-09-11 | 2021-04-16 | 曼·胡默尔有限公司 | Drying system, dryer cartridge and use of a dryer cartridge |
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Inventor after: Wang Xianyan Inventor after: Li Chuanwu Inventor after: Alessandro.Boloni Inventor after: Zhu Ye Inventor before: Wang Xianyan Inventor before: Li Chuanwu Inventor before: Zhu Ye |
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Application publication date: 20151111 |
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