CN204572642U - A kind of hydraulic oil container aerial respiration filter - Google Patents
A kind of hydraulic oil container aerial respiration filter Download PDFInfo
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- CN204572642U CN204572642U CN201520246076.2U CN201520246076U CN204572642U CN 204572642 U CN204572642 U CN 204572642U CN 201520246076 U CN201520246076 U CN 201520246076U CN 204572642 U CN204572642 U CN 204572642U
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- end cap
- hydraulic oil
- connecting tube
- end plate
- aerial respiration
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Abstract
The utility model provides a kind of hydraulic oil container aerial respiration filter, comprises the upper end cap and lower end cap that link together, and the top cap central of described upper end cap is installed with center tubing string; Described lower end cap comprises the end plate be located in the middle of gear oil pipe and connecting tube, and described end plate is provided with interior ventilating hole, and the bottom end of end plate is provided with rubber seal; The outer wall being positioned at connecting tube is provided with a circle clip, is provided with outer ventilating hole between described clip and connecting tube; The lower end of described center tubing string is positioned by spring collar through after end plate; Tubulose filter core is provided with between described upper end cap and lower end cap.The utility model avoids hydraulic oil in hydraulic oil container by the gear tubing wall on lower end cap and overflows seepage from aerial respiration filter; Avoid the threaded connection place seepage of fluid from aerial respiration filter and hydraulic oil container by rubber seal, thus overflow seepage from aerial respiration filter and cause polluting the situation of car body and environment fundamentally solving hydraulic oil.
Description
Technical field
The utility model relates to a kind of hydraulic oil container, is specifically related to a kind of hydraulic oil container aerial respiration filter.
Background technique
What walking engineering vehicle and industrial vehicle adopted is open hydraulic fuel tank, in order to prevent to produce positive/negative pressure damage hydraulic element because of the liquid level change of fluid and affect hydraulic system efficiency in fuel tank, simultaneously also in order to prevent the dust in the air outside hydraulic oil container from entering fuel tank contaminated liquid force feed, and then affect the life-span of other hydraulic components in hydraulic system performance and hydraulic system.This open hydraulic oil container is all provided with aerial respiration filter between being communicated with the air outside fuel tank, enters in fuel tank after being fallen by the contaminant filters such as the dust in air again.But the volume due to the hydraulic oil container of walk engineering vehicle and industrial vehicle is subject to the restriction of car body arrangement space, therefore its size is less than normal, cause the oil level in hydraulic pressure oil phase higher, the hydraulic oil easily occurred in hydraulic oil container overflows seepage from aerial respiration filter and causes polluting the situation of car body and environment.
Model utility content
The purpose of this utility model is exactly the problem that in the hydraulic oil container in order to solve walking engineering vehicle and industrial vehicle use, hydraulic oil overflows seepage from aerial respiration filter, and provides a kind of hydraulic oil container aerial respiration filter.
The technical solution of the utility model is: a kind of hydraulic oil container aerial respiration filter, comprises the upper end cap and lower end cap that link together, and the top cap central of described upper end cap is installed with center tubing string; Described lower end cap comprises the end plate be located in the middle of gear oil pipe and connecting tube, and described end plate is provided with interior ventilating hole, and the bottom end of end plate is provided with rubber seal; The outer wall being positioned at connecting tube is provided with a circle clip, is provided with outer ventilating hole between described clip and connecting tube; The lower end of described center tubing string is positioned by spring collar through after end plate; Tubulose filter core is provided with between described upper end cap and lower end cap.
Further scheme, the top cover bosom of described upper end cap is provided with cylindrical boss, and the top of described tubulose filter core is stuck on described cylindrical boss, bottom is located on the end plate of lower end cap.
Further scheme, the lower end inside of described upper end cap is provided with a circle internal spline, the outer side wall of the clip of lower end cap is provided with the external splines that a circle matches with described internal spline, and the lower end of described upper end cap and the clip of lower end cap carry out splined by internal spline and external splines.
Further scheme, be provided with a circle Oil Guide boss in the middle of the bottom end of described end plate, described interior ventilating hole is positioned on the inside end plate of Oil Guide boss; Described rubber seal is fastened between described Oil Guide boss and connecting tube.
The inwall of described connecting tube is provided with the internal thread carrying out with the oil filling pipe of hydraulic oil container being connected.
In the utility model, the upper terminal block tubing wall of lower end cap is used to stop that the isolated fluid of tubulose filter core leaks outside, and the lower end surface of lower end cap end plate is provided with the Oil Guide boss of tubulose, be used for that water conservancy diversion is carried out to the isolated fluid of tubulose filter core and return hydraulic oil container, thus avoid leaking outside of fluid.In addition, the inwall of the connecting tube of lower end cap is provided with internal thread, is connected by the oil filling pipe of its hydraulic oil container, aerial respiration filter of the present utility model is made directly to be installed on oil filling pipe on hydraulic oil container, double fuel door of doing uses, and reduces parts, thus decreases the possibility that leakage occurs fluid.Outside the clip of lower end cap, week is provided with external splines, and the lower end inside of upper end cap is provided with internal spline, and upper and lower end cap is carried out splined, thus reaches and carry out radial fixing effect to upper end cap.
Rubber seal is fastened between Oil Guide boss and connecting tube, when aerial respiration filter is installed on hydraulic oil container oil filling pipe, the upper-end surface of rubber seal and the circular groove bottom surface between the Oil Guide boss of lower end cap and connecting tube form primary sealing area, the upper-end surface of its lower end surface and hydraulic oil container oil filling pipe forms the second seal face, thus prevents hydraulic oil from leaking outside from the threaded connection place of aerial respiration filter and hydraulic oil container.
When upper and lower end cap of the present utility model links together, between the center tubing string of its upper end cap and the end plate of lower end cap and tubulose filter core, form the first cavity; The second cavity is formed between the sidewall of upper end cap and the gear tubing wall of lower end cap and tubulose filter core.Aerial respiration filter is installed on hydraulic oil container, when the liquid level of hydraulic oil container inner fluid declines, negative pressure is produced in fuel tank, air outside fuel tank by the outer ventilating hole on lower end cap through the second cavity, tubulose filter core, the first cavity, then enter hydraulic oil container by ventilating hole on lower end cap, now tubulose filter core serves the effect of the particulate matter filtered in fuel tank outer air.
When the liquid level of hydraulic oil container rises, positive pressure is produced in fuel tank, air in fuel tank by ventilating hole on lower end cap through the first cavity, tubulose filter core, the second cavity, then hydraulic oil container is discharged by the outer ventilating hole on lower end cap, now tubulose filter core serves the effect of the fluid particle filtered in fuel tank in air, filtering lower fluid deposits on end plate through the stop of gear tubing wall, then on lower end cap in ventilating hole return hydraulic oil container by Oil Guide boss water conservancy diversion.
The gear tubing wall of the utility model aerial respiration filter by arranging, effectively solves hydraulic oil in hydraulic oil container and overflows the situation of seepage from aerial respiration filter; Additionally by arranging rubber seal, avoid the threaded connection place seepage of fluid from aerial respiration filter and hydraulic oil container.So the hydraulic oil that the utility model fundamentally avoids in hydraulic oil container overflows seepage from aerial respiration filter and causes polluting the situation of car body and environment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model;
Fig. 2 is sectional view of the present utility model;
Fig. 3 is the upper end cap structural representation in the utility model;
Fig. 4 is the lower end cap structural representation in the utility model;
Fig. 5 is the lower end cap sectional view in the utility model.
In figure: 1-upper end cap, 11-cylindrical boss, 12-internal spline, 13-center tubing string; 2-tubulose filter core, 3-lower end cap, 31-keeps off tubing wall, 32-Oil Guide boss, 33-connecting tube, 34-external splines, the outer ventilating hole of 35-, ventilating hole in 36-, 37-end plate, 38-clip; 4-spring collar, 5-rubber seal, A-first cavity, B-second cavity.
Embodiment
As shown in Figure 1, 2, a kind of hydraulic oil container aerial respiration filter, comprise the upper end cap 1 and lower end cap 3 that link together, the top cap central of described upper end cap 1 is installed with center tubing string 13; Described lower end cap 3 comprises the end plate 37 be located in the middle of gear oil pipe 31 and connecting tube 33, and described end plate 37 is provided with interior ventilating hole 36, and the bottom end of end plate 37 is provided with rubber seal 5; The outer wall being positioned at connecting tube 33 is provided with a circle clip 38, is provided with outer ventilating hole 35 between described clip 38 and connecting tube 33; The lower end of described center tubing string 13 is positioned by spring collar 4 through after end plate 37; Tubulose filter core 2 is provided with between described upper end cap 1 and lower end cap 3.
The inwall of described connecting tube 33 is provided with the internal thread carrying out with the oil filling pipe of hydraulic oil container being connected.
As shown in Figure 3, the top cover bosom of upper end cap 1 is provided with cylindrical boss 11, and the center of cylindrical boss 11 is installed with center tubing string 13, and the top of described tubulose filter core 2 is stuck on described cylindrical boss 11, bottom is located on the end plate 37 of lower end cap 3; The lower end inside of upper end cap 1 is provided with a circle internal spline 12.
As shown in Figure 4,5, lower end cap 3 comprises the end plate 37 be located in the middle of gear tubing wall 31 and connecting tube 33, a circle Oil Guide boss 32 is provided with in the middle of the bottom end of end plate 37, the end plate 37 being positioned at Oil Guide boss 32 inside is provided with ventilating hole 36, the outer wall of connecting tube 33 is provided with a circle clip 38, is provided with outer ventilating hole 35 between clip 38 and connecting tube 33; The outer side wall of clip 38 is provided with the external splines 34 that a circle matches with described internal spline.
First tubulose filter core 2 is stuck on the cylindrical boss 11 of the upper end cap 1 on upper end cap, again the clip 38 of the lower end of upper end cap 1 and lower end cap 3 is undertaken being connected and fixed by the splined between internal spline 12 and external splines 34, then spring collar 4 is enclosed within center tubing string 13 bottom, itself and lower end cap 3 are positioned; In circular groove again between Oil Guide boss 32 and connecting tube 33, rubber seal 5 on cover, finally carries out being threaded with the internal thread of connecting tube 33 by the oil filling pipe of hydraulic oil container, namely realizes aerial respiration filter to be arranged on hydraulic oil container.
As shown in Figure 2, when upper and lower end cap links together, between the center tubing string 13 of its upper end cap 1 and the end plate 37 of lower end cap and tubulose filter core 2, form the first cavity A; The second cavity B is formed between the sidewall of upper end cap 1 and the gear tubing wall 31 of lower end cap 3 and tubulose filter core 2.Aerial respiration filter is arranged on hydraulic oil container, when the liquid level of hydraulic oil container inner fluid declines, negative pressure is produced in fuel tank, air outside fuel tank by the outer ventilating hole 35 on lower end cap through the second cavity B, tubulose filter core 2, first cavity A, then enter hydraulic oil container by ventilating hole 36 on lower end cap, now tubulose filter core serves the effect of the particulate matter filtered in fuel tank outer air.
When the liquid level of hydraulic oil container rises, positive pressure is produced in fuel tank, air in fuel tank by ventilating hole 36 on lower end cap through the first cavity A, tubulose filter core 2, second cavity B, then hydraulic oil container is discharged by the outer ventilating hole 35 on lower end cap, now tubulose filter core serves the effect of the fluid particle filtered in fuel tank in air, filtering lower fluid deposits on end plate 37 through the stop of gear tubing wall, then on lower end cap in ventilating hole 36 return hydraulic oil container by Oil Guide boss 32 water conservancy diversion.
Above embodiment is not limited only to protection domain of the present utility model, all modify based on basic thought of the present utility model or change all belong to protection domain of the present utility model.
Claims (5)
1. a hydraulic oil container aerial respiration filter, comprises the upper end cap (1) and lower end cap (3) that link together, it is characterized in that: the top cap central of described upper end cap (1) is installed with center tubing string (13); Described lower end cap (3) comprises the end plate (37) be located in the middle of gear oil pipe (31) and connecting tube (33), and described end plate (37) is provided with interior ventilating hole (36), and the bottom end of end plate (37) is provided with rubber seal (5); The outer wall being positioned at connecting tube (33) is provided with a circle clip (38), is provided with outer ventilating hole (35) between described clip (38) and connecting tube (33); The lower end at described center tubing string (13) is positioned by spring collar (4) afterwards through end plate (37); Tubulose filter core (2) is provided with between described upper end cap (1) and lower end cap (3).
2. aerial respiration filter according to claim 1, it is characterized in that: the top cover bosom of described upper end cap (1) is provided with cylindrical boss (11), the top of described tubulose filter core (2) is stuck in that described cylindrical boss (11) is upper, bottom is located on the end plate (37) of lower end cap (3).
3. aerial respiration filter according to claim 1, it is characterized in that: the lower end inside of described upper end cap (1) is provided with a circle internal spline (12), the outer side wall of the clip (38) of lower end cap (3) is provided with the external splines (34) that a circle matches with described internal spline (12), and the lower end of described upper end cap (1) and the clip (38) of lower end cap (3) carry out splined by internal spline (12) and external splines (34).
4. aerial respiration filter according to claim 1, is characterized in that: be provided with a circle Oil Guide boss (32) in the middle of the bottom end of described end plate (37), described interior ventilating hole (36) is positioned on the inside end plate of Oil Guide boss (32); Described rubber seal (5) is fastened between described Oil Guide boss (32) and connecting tube (33).
5. aerial respiration filter according to claim 1, is characterized in that: the inwall of described connecting tube (33) is provided with the internal thread carrying out with the oil filling pipe of hydraulic oil container being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246076.2U CN204572642U (en) | 2015-04-22 | 2015-04-22 | A kind of hydraulic oil container aerial respiration filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246076.2U CN204572642U (en) | 2015-04-22 | 2015-04-22 | A kind of hydraulic oil container aerial respiration filter |
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| CN204572642U true CN204572642U (en) | 2015-08-19 |
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| CN201520246076.2U Active CN204572642U (en) | 2015-04-22 | 2015-04-22 | A kind of hydraulic oil container aerial respiration filter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191418A (en) * | 2017-06-09 | 2017-09-22 | 安徽合力股份有限公司 | A kind of fuel door with air filtration mechanism for hydraulic oil tank of forklift |
| CN107630841A (en) * | 2016-07-18 | 2018-01-26 | 鞍钢股份有限公司 | Oil tank with air dust and water removing device and working method thereof |
| CN109083873A (en) * | 2018-09-25 | 2018-12-25 | 吉林大学 | A kind of type of respiration Oil-gas Separation hydraulic oil container and constant pressure control method |
| CN112197158A (en) * | 2020-11-06 | 2021-01-08 | 崇左南方水泥有限公司 | Antifouling integrated device of cement lubrication station |
-
2015
- 2015-04-22 CN CN201520246076.2U patent/CN204572642U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630841A (en) * | 2016-07-18 | 2018-01-26 | 鞍钢股份有限公司 | Oil tank with air dust and water removing device and working method thereof |
| CN107630841B (en) * | 2016-07-18 | 2019-06-25 | 鞍钢股份有限公司 | Oil tank with air dust and water removing device and working method thereof |
| CN107191418A (en) * | 2017-06-09 | 2017-09-22 | 安徽合力股份有限公司 | A kind of fuel door with air filtration mechanism for hydraulic oil tank of forklift |
| CN109083873A (en) * | 2018-09-25 | 2018-12-25 | 吉林大学 | A kind of type of respiration Oil-gas Separation hydraulic oil container and constant pressure control method |
| CN109083873B (en) * | 2018-09-25 | 2019-12-27 | 吉林大学 | Breathing type oil-gas separation hydraulic oil tank and constant pressure control method |
| CN112197158A (en) * | 2020-11-06 | 2021-01-08 | 崇左南方水泥有限公司 | Antifouling integrated device of cement lubrication station |
| CN112197158B (en) * | 2020-11-06 | 2021-04-06 | 崇左南方水泥有限公司 | Antifouling integrated device of cement lubrication station |
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