CN104192108A - Oil-saving air booster pump capable of buffering impact - Google Patents
Oil-saving air booster pump capable of buffering impact Download PDFInfo
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- CN104192108A CN104192108A CN201410404762.8A CN201410404762A CN104192108A CN 104192108 A CN104192108 A CN 104192108A CN 201410404762 A CN201410404762 A CN 201410404762A CN 104192108 A CN104192108 A CN 104192108A
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- oil
- ring
- brake piston
- buffer
- housing
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Abstract
The invention discloses an oil-saving air booster pump capable of buffering impact. The oil-saving air booster pump comprises an impact buffering ball, a sediment tube, a brake piston, a brake shell and a thrust shell. An oil inlet and return cavity is formed in the brake piston, the impact buffering ball is mounted in the oil inlet and return cavity, a check ring is mounted at an outlet of the oil inlet and return cavity, a piston sealing ring is mounted on the brake piston which is provided with a brake piston oil inlet, an oil can is mounted on the upper portion of the brake shell and matched with an oil can cover, a vent hole is formed in the oil can cover, a filter net is mounted in the oil can, the sediment tube is mounted at the bottom of the oil can, a sediment pond is arranged around the sediment tube, a thrust rod is mounted in the thrust shell, thrust rod sealing rings are mounted between the thrust rod and the thrust shell, the thrust rod is matched with the brake piston, and the thrust shell is matched with the brake shell. The oil-saving air booster pump is good in cleaning effect and capable of reducing abrasion of the sealing rings and pollution to the environment.
Description
[technical field]
The present invention relates to the technical field of air boosting pump, particularly a kind of technical field of fuel-economizing buffer air boosting pump.
[background technology]
The advantage of air boosting pump has a lot, can reduce people's manual operation intensity, can also reduce the conduction of vibrations, make people feel more comfortable, its effect is by atmospheric pressure oil circuit control supply, to realize the object of braking, existing product air boosting pump leak tightness is poor, in actual use, due to severe work condition environment, braking frequently, often there will be leakage of oil, major cause is that ring wear causes, the wearing and tearing of seal ring and the filter effect of hydraulic oil have direct relation, air boosting pump is substantially all to adopt simple strainer filtering at present, filter screen cannot effectively filter for some little impurity, simultaneously due to booster pump work schedule hydrodynamic high pressure, in the time that brake discharges, high hydraulic brake fluid straight line shock sealing member, cause the quick broken invalid of sealing member, often there is bubble in existing air boosting pump inside, the stability of impact braking, the reason that produces bubble has a lot, wherein repairing path is long is very important reason, simultaneously repairing path is long also can increase the disposable amount that adds braking liquid, cost is increased.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of fuel-economizing buffer air boosting pump is proposed, can reduce the disposable amount that adds braking liquid, can reduce the long bubbles volume causing due to repairing path in booster pump working process, thereby reduce the discharge vaporization of braking liquid, can make high hydraulic brake fluid simultaneously after buffer hoodle buffering, instant impact to sealing member reduces greatly, effectively protect sealing member, improve service life, after can also making impurity in hydraulic oil filter by filtering net simultaneously, greatly reduce the impurity content in hydraulic oil through precipitation again, well solve the problem of ring wear.
For achieving the above object, the present invention proposes a kind of fuel-economizing buffer air boosting pump, comprise buffer hoodle, sediment tube, brake piston, braking housing and thrust housing, on described brake piston, be provided with oil inlet and oil return chamber, inside, oil inlet and oil return chamber is provided with buffer hoodle, the exit in oil inlet and oil return chamber is provided with baffle ring, on described brake piston, piston packing ring is installed, on brake piston, be provided with brake piston oil inlet, described braking housing top is provided with oil can, described oil can coordinates installation with oil-can lid, on described oil-can lid, be provided with ventilation orifice, the inside of oil can is provided with filtering net, the bottom of oil can is provided with sediment tube, the surrounding of described sediment tube is provided with sludge pan, described thrust enclosure interior is provided with propelling rod, , between described propelling rod and thrust housing, propelling rod seal ring is installed, described propelling rod coordinates installation with brake piston, thrust housing coordinates installation with braking housing.
As preferably, described thrust housing and braking housing are connected by bolt, and the quantity of bolt is 4.
As preferably, described buffer hoodle inside is solid or hollow, and the thickness of buffer hoodle wall is 2～5mm, and buffer hoodle has elasticity, better buffer.
As preferably, described brake piston coordinates installation with sealing plug, and described sealing plug is circular, and sealing is plugged with three grades of steps, in the middle of sealing plug, has a circular groove, can raise the efficiency.
As preferably, the length of described sediment tube is 10～30mm, and the diameter of sludge pan is 50mm, and sediment tube is in the centre of sludge pan, and sludge pan is used for the impurity of dress precipitation.
As preferably, between described oil can and oil-can lid, be to connect by fine thread, described ventilation orifice is in the centre of oil-can lid, and the diameter of ventilation orifice is 2～5mm, and good airproof performance can effectively prevent leakage of oil.
As preferably, described propelling rod seal ring has two, be arranged on respectively the two ends of propelling rod and thrust housing contact surface, propelling rod seal ring comprises seal ring main body, inner ring, outer ring, in described seal ring main body, be provided with inner ring and outer ring, described inner ring is positioned at the inner side of outer ring, described inner ring and outer ring are concentric structure, between described inner ring and outer ring, be provided with groove, described inner ring inner side is provided with manhole, described seal ring main body and inner ring, outer ring is structure as a whole, described inner ring is than the high 1～3mm in outer ring, the thickness of described outer ring is 4～10mm, the thickness of inner ring is 4～10mm, described outer ring outwards turns down 4～10 °, the size of described trench cross-section upper end is greater than the size of trench cross-section lower end, the upper surface of described groove is connected with the external world, the degree of depth of groove is 7～20mm.
As preferably, described propelling rod seal ring has two, is arranged on respectively the two ends of propelling rod and thrust housing contact surface.
As preferably, between described oil can and braking housing, an oil can seal ring is installed, oil can seal ring is arranged on the boss top on braking housing, and object is to prevent leakage of oil.
Beneficial effect of the present invention: the present invention is by shortening the repairing road strength length of curve of original product, oil inlet and oil return mouth at brake piston increases buffer hoodle, add sediment tube in oil can bottom, and arrange sludge pan way, can reduce the disposable amount that adds braking liquid, can be cost-saving, can also reduce the long bubbles volume causing due to repairing path in booster pump working process simultaneously, thereby reduce the discharge vaporization of braking liquid, also make the impurity in hydraulic oil precipitate fully, can greatly extend the life-span of seal ring, reduce the generation of leakage of oil, save hydraulic oil, also reduce in the course of the work the impact of hydraulic oil to sealing plug, can greatly extend the life-span of sealing plug.
Feature of the present invention and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[brief description of the drawings]
Fig. 1 is the main pseudosection of a kind of fuel-economizing buffer of the present invention air boosting pump;
Fig. 2 is the enlarged drawing of A portion in Fig. 1;
Fig. 3 is the enlarged drawing of B portion in Fig. 1;
Fig. 4 is the enlarged drawing of C portion in Fig. 1;
The main pseudosection of Fig. 5 propelling rod seal ring of the present invention
The birds-eye view of Fig. 6 propelling rod seal ring of the present invention.
In figure: 1-ventilation orifice, 2-oil-can lid, 3-oil can, 4-oil can seal ring, 5-sediment tube, 6-sludge pan, 7-brake piston oil inlet, 8-brakes housing, 9-oil inlet and oil return chamber, 10-baffle ring, 11-buffer hoodle, 12-piston packing ring, 13-sealing plug, 14-brake piston, 15-thrust housing, 16-propelling rod, 17-propelling rod seal ring, 18-pull back spring, 19-oil inlet, 20-filtering net, 71-seal ring main body, 72-outer ring, 73-inner ring, 74-groove, 75-manhole.
[detailed description of the invention]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of fuel-economizing buffer of the present invention air boosting pump, comprise buffer hoodle 11, sediment tube 5, brake piston 14, braking housing 8 and thrust housing 15, on described brake piston 14, be provided with oil inlet and oil return chamber 9, 9 inside, oil inlet and oil return chamber are provided with buffer hoodle 11, the exit in oil inlet and oil return chamber 9 is provided with baffle ring 10, on described brake piston 14, piston packing ring 12 is installed, on brake piston 14, be provided with brake piston oil inlet 7, described braking housing 8 tops are provided with oil can 3, described oil can 3 coordinates installation with oil-can lid 2, on described oil-can lid 2, be provided with ventilation orifice 1, the inside of oil can 3 is provided with filtering net 20, the bottom of oil can 3 is provided with sediment tube 5, the surrounding of described sediment tube 5 is provided with sludge pan 6, described thrust housing 15 inside are provided with propelling rod 16, between described propelling rod 16 and thrust housing 15, propelling rod seal ring 17 is installed, described propelling rod 16 coordinates installation with brake piston 14, thrust housing 15 coordinates installation with braking housing 8.Described thrust housing 15 and braking housing 8 are connected by bolt, and the quantity of bolt is 4.Described buffer hoodle 11 inside are solid or hollow, and the thickness of buffer hoodle 11 walls is 2～5mm, and buffer hoodle 11 has elasticity, better buffer.Described brake piston 14 coordinates installation with sealing plug 13, and described sealing plug 13 is circular, and sealing plug 13 has three grades of steps, in the middle of sealing plug 13, has a circular groove, can raise the efficiency.The length of described sediment tube 5 is 10～30mm, and the diameter of sludge pan 6 is 50mm, and sediment tube 5 is in the centre of sludge pan 6, and sludge pan 6 is used for filling the impurity of precipitation.Between described oil can 3 and oil-can lid 2, be to connect by fine thread, good airproof performance, can effectively prevent leakage of oil.Described ventilation orifice 1 is in the centre of oil-can lid 2.Described propelling rod seal ring 17 has two, is arranged on respectively the two ends of propelling rod 16 and thrust housing 15 contact surfaces.Between described oil can 3 and braking housing 8, an oil can seal ring 4 is installed, oil can seal ring 4 is arranged on the boss top on braking housing 8, and object is to prevent leakage of oil.
Described propelling rod seal ring 17 has two, be arranged on respectively the two ends of propelling rod 16 and thrust housing 15 contact surfaces, propelling rod seal ring 17 comprises seal ring main body 71, inner ring 73, outer ring 72, in described seal ring main body 71, be provided with inner ring 73 and outer ring 72, described inner ring 73 is positioned at the inner side of outer ring 72, described inner ring 73 is concentric structure with outer ring 72, between described inner ring 73 and outer ring 72, be provided with groove 74, described inner ring 73 inner sides are provided with manhole 75, described seal ring main body 71 and inner ring 73, outer ring 72 is structure as a whole, described inner ring 73 is than the high 1～3mm in outer ring 72, the thickness of described outer ring 72 is 4～10mm, the thickness of inner ring 73 is 4～10mm, described outer ring 72 outwards turns down 4～10 °, the size of described groove 74 cross-sectional plane upper ends is greater than the size of groove 74 cross-sectional plane lower ends, the upper surface of described groove 74 is connected with the external world, the degree of depth of groove 74 is 7～20mm.
Working process of the present invention:
A kind of fuel-economizing buffer of the present invention air boosting pump in the course of the work, hydraulic oil in oil can 3 enters in braking housing 8 by sediment tube 5, oil inlet 19 and brake piston oil inlet 7, in system braking housing 8, be full of hydraulic oil, when work, the pressure of air promotion propelling rod 16 moves right, brake piston 14 slides to the right under the effect of propelling rod 16, finally completes braking.After brake off power, propelling rod 16 is pulled to left side brake piston 14 under the elastic force effect of pull back spring 18, and hydraulic oil can enter into oil can 3 by brake piston oil inlet 7, oil inlet 19 and sediment tube 5.
A kind of fuel-economizing buffer of the present invention air boosting pump, by the oil inlet and oil return chamber 9 interior increase buffer hoodle 11 of brake piston 14, can make high hydraulic brake fluid after buffer hoodle 11 bufferings, instant impact to sealing plug 13 reduces greatly, effectively protect sealing plug 13, can extend the life-span of sealing plug 13, this invention shortens the repairing path curve length of existing product, can make hydraulic oil enter into faster in braking housing, braking effect is better continuously, shorten repairing path and can also reduce the disposable amount that adds braking liquid, can be cost-saving, can also reduce the long bubbles volume causing due to repairing path in booster pump working process simultaneously, thereby reduce the discharge vaporization amount of braking liquid.
The principle of a kind of fuel-economizing buffer of the present invention air boosting pump: air boosting pump is the device that little pressure is converted to large pressure, the pressure that liquid produces equals the product of pressure and cross-sectional plane, be greater than the principle that the object of liquid can sink at liquid internal according to density, sediment tube 5 is higher than sludge pan 6, the impurity that density is large will sink, in the course of the work, hydraulic oil liquid level in sludge pan 6 is lower than sediment tube 5, so in relative static conditions, so the impurity in sludge pan 6 can be along with hydraulic oil enters into sediment tube 5.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (8)
1. a fuel-economizing buffer air boosting pump, it is characterized in that: comprise buffer hoodle (11), sediment tube (5), brake piston (14), braking housing (8) and thrust housing (15), on described brake piston (14), be provided with oil inlet and oil return chamber (9), inside, oil inlet and oil return chamber (9) is provided with buffer hoodle (11), the exit in oil inlet and oil return chamber (9) is provided with baffle ring (10), piston packing ring (12) is installed on described brake piston (14), on brake piston (14), be provided with brake piston oil inlet (7), described braking housing (8) top is provided with oil can (3), described oil can (3) coordinates installation with oil-can lid (2), on described oil-can lid (2), be provided with ventilation orifice (1), the inside of oil can (3) is provided with filtering net (20), the bottom of oil can (3) is provided with sediment tube (5), the surrounding of described sediment tube (5) is provided with sludge pan (6), described thrust housing (15) inside is provided with propelling rod (16), between described propelling rod (16) and thrust housing (15), propelling rod seal ring (17) is installed, described propelling rod (16) coordinates installation with brake piston (14), thrust housing (15) coordinates installation with braking housing (8).
2. a kind of fuel-economizing buffer air boosting pump as claimed in claim 1, is characterized in that: described thrust housing (15) and braking housing (8) are connected by bolt, and the quantity of bolt is 4.
3. a kind of fuel-economizing buffer air boosting pump as claimed in claim 1, it is characterized in that: described buffer hoodle (11) inside is solid or hollow, the thickness of buffer hoodle (11) wall is 2～5mm, and buffer hoodle (11) has elasticity.
4. a kind of fuel-economizing buffer air boosting pump as claimed in claim 1, it is characterized in that: described brake piston (14) coordinates installation with sealing plug (13), described sealing plug (13) is circular, sealing plug (13) has three grades of steps, has a circular groove in the middle of sealing plug (13).
5. a kind of fuel-economizing buffer air boosting pump as claimed in claim 1, it is characterized in that: the length of described sediment tube (5) is 10～30mm, the diameter of sludge pan (6) is 50mm, sediment tube (5) is in the centre of sludge pan (6), and sludge pan (6) is used for filling the impurity of precipitation.
6. a kind of fuel-economizing buffer air boosting pump as claimed in claim 1, it is characterized in that: between described oil can (3) and oil-can lid (2), be to connect by fine thread, described ventilation orifice (1) is in the centre of oil-can lid (2), and the diameter of ventilation orifice (1) is 2～5mm.
7. a kind of fuel-economizing buffer air boosting pump as claimed in claim 1, it is characterized in that: described propelling rod seal ring (17) has two, be arranged on respectively the two ends of propelling rod (16) and thrust housing (15) contact surface, propelling rod seal ring (17) comprises seal ring main body (71), inner ring (73), outer ring (72), in described seal ring main body (71), be provided with inner ring (73) and outer ring (72), described inner ring (73) is positioned at the inner side of outer ring (72), described inner ring (73) is concentric structure with outer ring (72), between described inner ring (73) and outer ring (72), be provided with groove (74), described inner ring (73) inner side is provided with manhole (75), described seal ring main body (71) and inner ring (73), outer ring (72) is structure as a whole, described inner ring (73) is than the high 1～3mm in outer ring (72), the thickness of described outer ring (72) is 4～10mm, the thickness of inner ring (73) is 4～10mm, described outer ring (72) outwards turns down 4～10 °, the size of described groove (74) cross-sectional plane upper end is greater than the size of groove (74) cross-sectional plane lower end, the upper surface of described groove (74) is connected with the external world, the degree of depth of groove (74) is 7～20mm.
8. a kind of fuel-economizing buffer air boosting pump as claimed in claim 1, it is characterized in that: between described oil can (3) and braking housing (8), an oil can seal ring (4) is installed, oil can seal ring (4) is arranged on the boss top on braking housing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410404762.8A CN104192108A (en) | 2014-08-16 | 2014-08-16 | Oil-saving air booster pump capable of buffering impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410404762.8A CN104192108A (en) | 2014-08-16 | 2014-08-16 | Oil-saving air booster pump capable of buffering impact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104192108A true CN104192108A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410404762.8A Pending CN104192108A (en) | 2014-08-16 | 2014-08-16 | Oil-saving air booster pump capable of buffering impact |
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| Country | Link |
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| CN (1) | CN104192108A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5329769A (en) * | 1993-07-16 | 1994-07-19 | Alliedsignal Inc. | Master cylinder and brake booster arrangement for a brake system |
| CN201228619Y (en) * | 2008-06-14 | 2009-04-29 | 芜湖盛力制动有限责任公司 | Air enforcing pump |
| CN102424042A (en) * | 2011-09-28 | 2012-04-25 | 芜湖市安芜汽车制动元件有限公司 | Air booster pump structure |
| CN102673546A (en) * | 2012-05-16 | 2012-09-19 | 芜湖环球汽车配件有限公司 | Air booster pump |
| CN204037542U (en) * | 2014-08-16 | 2014-12-24 | 祝建飞 | A kind of fuel-economizing buffer air boosting pump |
| CN204136972U (en) * | 2014-06-08 | 2015-02-04 | 李正龙 | Fuel-economizing buffer air boosting pump |
-
2014
- 2014-08-16 CN CN201410404762.8A patent/CN104192108A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5329769A (en) * | 1993-07-16 | 1994-07-19 | Alliedsignal Inc. | Master cylinder and brake booster arrangement for a brake system |
| CN201228619Y (en) * | 2008-06-14 | 2009-04-29 | 芜湖盛力制动有限责任公司 | Air enforcing pump |
| CN102424042A (en) * | 2011-09-28 | 2012-04-25 | 芜湖市安芜汽车制动元件有限公司 | Air booster pump structure |
| CN102673546A (en) * | 2012-05-16 | 2012-09-19 | 芜湖环球汽车配件有限公司 | Air booster pump |
| CN204136972U (en) * | 2014-06-08 | 2015-02-04 | 李正龙 | Fuel-economizing buffer air boosting pump |
| CN204037542U (en) * | 2014-08-16 | 2014-12-24 | 祝建飞 | A kind of fuel-economizing buffer air boosting pump |
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Application publication date: 20141210 |