CN203517262U - Oil tank and lubricating device - Google Patents

Oil tank and lubricating device Download PDF

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Publication number
CN203517262U
CN203517262U CN201320557594.7U CN201320557594U CN203517262U CN 203517262 U CN203517262 U CN 203517262U CN 201320557594 U CN201320557594 U CN 201320557594U CN 203517262 U CN203517262 U CN 203517262U
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CN
China
Prior art keywords
piston
cylinder barrel
fuel tank
communicated
adapter cavity
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Expired - Fee Related
Application number
CN201320557594.7U
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Chinese (zh)
Inventor
赵大平
马利峰
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ZHENGZHOU AUTOL TECHNOLOGY Co Ltd
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ZHENGZHOU AUTOL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201320557594.7U priority Critical patent/CN203517262U/en
Application granted granted Critical
Publication of CN203517262U publication Critical patent/CN203517262U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an oil tank. The oil tank comprises a cylinder barrel and a piston, wherein the piston is in sliding seal fit with the inner wall of the cylinder barrel and divides the cylinder barrel into a grease cavity and an air cavity, at least two first sealing rings are arranged on the outer wall of the piston, the first sealing rings, the inner wall of the cylinder barrel and the outer wall of the piston form at least one outer transition cavity, the piston is provided with a first passage, one end of the first passage is communicated with the outer transition cavity, and the other end of the first passage is communicated with the outer side of the cylinder barrel through a flexible pipe. Because the pressure of air in the air cavity is high, the air may enter the outer transition cavity through the first sealing rings; because the outer transition cavity is communicated with the outer side of the cylinder barrel through the first passage and the flexible pipe, the air entering the outer transition cavity will be exhausted and does not enter the grease cavity; thus, the phenomenon that a lubricating agent is mixed with the air can be avoided, air mixed in the lubricating agent can be exhausted, operation of a lubrication pump will not be affected, and the lubrication effect of a lubricating device in practical operation is improved. The utility model further discloses the lubricating device with the oil tank.

Description

A kind of fuel tank and lubricating fitting
Technical field
The utility model relates to lubrication technical field, particularly relates to a kind of fuel tank.In addition, the utility model also relates to a kind of lubricating fitting with above-mentioned fuel tank.
Background technique
Oiling agent can reduce the friction ractor between transmission part, reduces surface friction drag, slows down wearing and tearing, and in mechanical transmission, oiling agent is conventionally sent to and is treated lubricant housings by lubricating fitting.
Lubricating fitting comprises fuel tank and conveyer, the cylinder barrel of fuel tank is divided into grease chamber and air cavity by piston, kind of lubricant storage in grease chamber, air cavity keeps certain pressure, piston coordinates with inner wall of cylinder slipper seal, air cavity is exerted pressure to grease chamber by piston, makes the oiling agent in grease chamber enter conveyer, and the lubricant pump of conveyer is delivered to lubricating pump to treat lubricant housings.
Two seals ring is set on piston conventionally, and respectively grease chamber and the air cavity of packed-piston both sides, make not seepage mutually of medium in the two, prevents gas infiltration oiling agent.If gas infiltrates oiling agent, be easy to cause that lubricant pump finds time, affect lubrication effect.
But, in real work, due to the circularity of seal ring quality, internal diameter of cylinder, the impact of the factors such as roughness of cylinder barrel internal surface is difficult to avoid gas permeation to grease chamber.In real work, the gas in air cavity infiltrates oiling agent, has had a strong impact on the lubrication effect of lubricating fitting.
Therefore, how improving the lubrication effect of lubricating fitting in real work, is that those skilled in the art are badly in need of the technical problem solving at present.
Model utility content
The purpose of this utility model is to provide a kind of fuel tank, and this fuel tank can improve the lubrication effect of lubricating fitting in real work.Another object of the present utility model is to provide a kind of lubricating fitting with above-mentioned fuel tank.
In order to realize above-mentioned technical purpose, the utility model provides a kind of fuel tank, comprises cylinder barrel and piston, and described piston coordinates with the inwall slipper seal of described cylinder barrel, and described cylinder barrel is divided into air cavity and grease chamber; The outer wall of described piston arranges at least twice the first seal ring, and at least described in twice, the inwall of the first seal ring, described cylinder barrel and the outer wall of described piston form at least one outer adapter cavity; Described piston has the first path, and described first path one end is communicated with described outer adapter cavity, and the other end is positioned at the end face of described piston and is communicated with the outside of described cylinder barrel by flexible pipe.
Preferably, the outer wall of described piston arranges two described the first seal rings, and a port of described the first path is between two described the first seal rings.
Preferably, described piston comprises at least two minutes pistons, and described in each, a minute piston is set up in parallel and all coordinates with the inwall slipper seal of described cylinder barrel, divides described in each a piston to have the first seal ring described at least one.
Preferably, also comprise connected element, described connected element is connected with a minute piston described in each, determines described in each and divides the relative position between piston.
Preferably, also comprise directional post, the two ends of described directional post are fixedly connected with two end caps of described cylinder barrel respectively; Described piston has axis hole, and described axis hole coordinates with described directional post slipper seal; The inwall of described axis hole arranges at least twice the second seal ring, at least described in twice, the outer wall of the second seal ring, described directional post and the inwall of described axis hole form adapter cavity at least one, and described interior adapter cavity is communicated with the outside of described cylinder barrel by transition passage.
Preferably, described interior adapter cavity is communicated with described the first path, and described transition passage is described the first path and described flexible pipe.
Preferably, described the first path comprises first paragraph and second segment, and described first paragraph is communicated with described outer adapter cavity and described interior adapter cavity, and described second segment is communicated with described first paragraph and described flexible pipe.
Preferably, described transition passage comprises alternate path, and described alternate path one end is communicated with described interior adapter cavity, and the other end is positioned at the end face of described piston and is communicated with the outside of described cylinder barrel by flexible pipe.
Preferably, the outer wall of described piston arranges two described the first seal rings, and the inwall of the described axis hole of described piston arranges two described the second seal rings.
Preferably, described piston comprises at least two minutes pistons, and a minute piston is set up in parallel described in each, and described in each, a minute piston has described at least one the first seal ring and the second seal ring described at least one.
Preferably, also comprise connected element, described connected element is connected with a minute piston described in each, determines described in each and divides the relative position between piston.
Preferably, described flexible pipe is communicated with the outside of described cylinder barrel through described air cavity.
Preferably, described flexible pipe is communicated with the outside of described cylinder barrel through described grease chamber.
Preferably, the end that described flexible pipe is positioned at the outside of described cylinder barrel has filter screen.
The utility model also provides a kind of lubricating fitting, comprised fuel tank and lubricant pump, and described fuel tank is described lubricant pump conveyor lubricant, and described fuel tank is the fuel tank described in above-mentioned any one.
The fuel tank that the utility model provides, comprises cylinder barrel and piston, and piston coordinates with the inwall slipper seal of cylinder barrel, and cylinder barrel is divided into air cavity and grease chamber; The outer wall of piston arranges at least twice the first seal ring, and at least twice the first seal ring, the inwall of cylinder barrel and the outer wall of piston form at least one outer adapter cavity; Piston has the first path, and first path one end is communicated with outer adapter cavity, and the other end is positioned at the end face of piston and is communicated with the outside of cylinder barrel by flexible pipe.
In this fuel tank working procedure, kind of lubricant storage in grease chamber, air cavity keeps certain pressure, and air cavity is exerted pressure to grease chamber by piston, and the lubricant delivery in grease chamber, to lubricant pump, is pumped into and is treated lubricant housings by lubricant pump.The pressure of the gas in air cavity is larger, due to the circularity of seal ring quality, internal diameter of cylinder, the impact of the factors such as roughness of cylinder barrel internal surface, gas likely can enter outer adapter cavity through the first seal ring near air cavity, because outer adapter cavity is communicated with cylinder barrel outside by the first path and flexible pipe, the gas that enters outer adapter cavity will be discharged from, can not continue to enter grease chamber through other the first seal ring, can avoid entrained gas in oiling agent, can not affect the work of lubricant pump, improve the lubrication effect of lubricating fitting in real work.
Concrete, the outer wall of piston can arrange two the first seal rings, and a port of the first path is between two the first seal rings, and another port is positioned at the end face of piston.In two the first seal rings, one is the sealing of grease chamber, and another,, for air cavity sealing, is outer adapter cavity between the two.
Further, piston can be split-type structural, can be set up in parallel in cylinder barrel by a plurality of minute pistons arranged side by side, and within each minute, piston has at least one first seal ring.Between each minute piston, can determine relative position by connected element.
In a kind of preferred mode, fuel tank also comprises directional post, and the two ends of directional post are fixedly connected with two end caps of cylinder barrel respectively; Piston has axis hole, and axis hole coordinates with directional post slipper seal; The inwall of axis hole arranges at least twice the second seal ring, and at least twice the second seal ring, the outer wall of directional post and the inwall of axis hole form adapter cavity at least one, and interior adapter cavity is communicated with the outside of cylinder barrel by transition passage.
When fuel tank internal has the directional post of piston, this fuel tank also has interior adapter cavity.If the gas in air cavity enters interior adapter cavity by the second seal ring, interior adapter cavity can be discharged gas by transition passage, can avoid gas to enter grease chamber.
In a kind of concrete mode, interior adapter cavity can share the first path and flexible pipe with outer adapter cavity, and transition passage is the first path and flexible pipe.Concrete, the first path comprises first paragraph and second segment, and first paragraph is communicated with outer adapter cavity and interior adapter cavity, and second segment is communicated with first paragraph and flexible pipe.
In another kind of concrete mode, interior adapter cavity also can have independent transition passage, on piston, has alternate path, adapter cavity in alternate path one end is communicated with, and the other end is communicated with the outside of cylinder barrel by flexible pipe.
Preferably, the outer wall of piston can arrange two the first seal rings, and the inwall of the axis hole of piston also can arrange two the second seal rings.
Further, the piston with axis hole can be also split-type structural, by a plurality of minute pistons arranged side by side, is set up in parallel in cylinder barrel, and within each minute, piston has at least one first seal ring and at least one second seal ring.
The utility model also provides a kind of lubricating fitting, comprised fuel tank and lubricant pump, and described fuel tank is described lubricant pump conveyor lubricant, and described fuel tank is above-mentioned fuel tank, and the lubrication effect of this lubricating fitting in real work is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of fuel tank the first embodiment provided by the utility model;
Fig. 2 is the structural representation of fuel tank the second embodiment provided by the utility model;
Fig. 3 is the structural representation of the third embodiment of fuel tank provided by the utility model;
Fig. 4 is the structural representation of the 4th kind of embodiment of fuel tank provided by the utility model.
Wherein, between the component names in Fig. 1 to Fig. 4 and reference character, relation is as follows one to one:
Cylinder barrel 1; Air cavity 11; Grease chamber 12; Piston 2; The first path 21; First paragraph 211; Second segment 212; Flexible pipe 22; Axis hole 23; Divide piston 24; The first seal ring 3; Outer adapter cavity 4; Directional post 5; The second seal ring 6; Interior adapter cavity 7.
Embodiment
Core of the present utility model is to provide a kind of fuel tank, and this fuel tank can improve the lubrication effect of lubricating fitting in real work.Another core of the present utility model is to provide a kind of lubricating fitting with above-mentioned fuel tank.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of fuel tank the first embodiment provided by the utility model, and Fig. 2 is the structural representation of fuel tank the second embodiment provided by the utility model.
In a kind of concrete mode of execution, the utility model provides a kind of fuel tank, comprises cylinder barrel 1 and piston 2, and piston 2 coordinates with the inwall slipper seal of cylinder barrel 1, and cylinder barrel 1 is divided into air cavity 11 and grease chamber 12; The outer wall of piston 2 arranges at least twice the first seal ring 3, and at least twice the first seal ring 3, the inwall of cylinder barrel 1 and the outer wall of piston 2 form at least one outer adapter cavity 4; Piston 2 has first path 21, the first path 21 one end and is communicated with outer adapter cavity 4, and the other end is positioned at the end face of described piston 2 and is communicated with the outside of cylinder barrel 1 by flexible pipe 22.
In this fuel tank working procedure, the interior kind of lubricant storage in grease chamber 12, air cavity 11 keeps certain pressure, and the gas of air cavity 11 is exerted pressure to grease chamber 12 by piston 2, and the lubricant delivery in grease chamber 12, to lubricant pump, is pumped into and is treated lubricant housings by lubricant pump.
The outer wall of piston 2 is provided with at least two the first seal rings 3, between the outer wall of the inwall of cylinder barrel 1, piston 2, adjacent two the first seal rings 3, has formed outer adapter cavity 4, and each outer adapter cavity 4 is all communicated with the outside of cylinder barrel 1 by the first path 21 and flexible pipe 22.When this fuel tank has a plurality of outer adapter cavity 4, then each outer adapter cavity 4 can be communicated with cylinder barrel 1 outside by same flexible pipe 22 first in piston 2 internal communication, also can the first path 21 and flexible pipe 22 be set respectively for each outer adapter cavity 4.
Air cavity 11 will keep certain pressure, the pressure of the gas that it is inner is larger, due to the circularity of seal ring quality, cylinder barrel 1 internal diameter, the impact of the factors such as roughness of cylinder barrel 1 internal surface, gas in air cavity 11 likely can enter outer adapter cavity 4 through the first seal ring 3 near air cavity 11, because each outer adapter cavity 4 is all communicated with the outside of cylinder barrel 1 by the first path 21 and flexible pipe 22, the gas that enters outer adapter cavity 4 will be discharged from by the first path 21 and flexible pipe 22, can not continue to enter grease chamber 12 through other the first seal ring 3.
If bubble, when adding oiling agent, has been sneaked into because of carelessness in grease chamber 12, in fuel tank working procedure, due to the extruding of 2 pairs of oiling agents of piston, the bubble of sneaking in oiling agent will penetrate into outer adapter cavity 4, also can discharge in the lump cylinder barrel 1.
Compared with prior art, this fuel tank has solved the problem that the gas in air cavity 11 infiltrates grease chamber 12, can avoid entrained gas in oiling agent, can also discharge the gas of sneaking in oiling agent, avoided the vaccuum phenomenon of lubricant pump, can not affect the work of lubricant pump, lubricating fitting can be worked more reliably, improve the lubrication effect of lubricating fitting in real work.
Concrete, the outer wall of piston 2 can arrange a port of two the first seal ring 3, the first paths 21 between two the first seal rings 3, and another port is positioned at the end face of piston 2.
In two the first seal rings 3, one is air cavity 11 sealings, and another is 12 sealings of grease chamber, and the outer wall of the inwall of cylinder barrel 1, piston 2, is outer adapter cavity 4 between two the first seal rings 3.As shown in Figure 1, a port of the first path 21 is between two the first seal rings 3, another port is positioned at the end face of piston 2, the port that is positioned at piston 2 end faces is installed flexible pipe 22, the other end of flexible pipe 22 is communicated with cylinder barrel 1 outside, and outer adapter cavity 4 is communicated with cylinder barrel 1 outside, can discharge the gas that enters outer adapter cavity 4, prevent that gas from infiltrating grease chamber 12, improved the lubrication effect in lubricating fitting real work.
Further, in concrete mode of execution, piston 2 can be split-type structural, and piston 2 comprises at least two minutes pistons 24, and within each minute, piston 24 is set up in parallel and all coordinates with the inwall slipper seal of cylinder barrel 1, and within each minute, piston 24 has at least one first seal ring 3.
A plurality of minutes pistons 24 can be under the effect of the pressure of air cavity 11 associated movement, can also piston 24 arranges connected element for each minute, determine each minute relative position between piston 24.As shown in Figure 2, the quantity of minute piston 24 is two, between two minutes pistons 24, leaves gap, and this gap is communicated with outer adapter cavity 4, is provided with the first path 21 at one minute on piston 24, and is communicated with cylinder barrel 1 outside by flexible pipe 22.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the structural representation of the third embodiment of fuel tank provided by the utility model, and Fig. 4 is the structural representation of the 4th kind of embodiment of fuel tank provided by the utility model.
A kind of preferred embodiment in, fuel tank can also comprise directional post 5, directional post 5 is the to-and-fro motion guiding of piston 2, the two ends of directional post 5 are fixedly connected with two end caps of cylinder barrel 1 respectively; Piston 2 has axis hole 23, and axis hole 23 coordinates with directional post 5 slipper seals; The inwall of axis hole 23 arranges at least twice the second seal ring 6, and at least twice the second seal ring 6, the outer wall of directional post 5 and the inwall of axis hole 23 form adapter cavity 7 at least one, and interior adapter cavity 7 is communicated with the outside of cylinder barrel 1 by transition passage.
The inwall of the axis hole 23 of piston 2 is provided with at least two the second seal rings 6, between the outer wall of the inwall of axis hole 23, directional post 5, adjacent two the second seal rings 6, has formed interior adapter cavity 7, and in each, adapter cavity 7 is all communicated with the outside of cylinder barrel 1 by transition passage.
If the gas in air cavity 11 enters interior adapter cavity 7 through the second seal ring 6 near air cavity 11, because adapter cavity in each 7 is all communicated with the outside of cylinder barrel 1, the gas that enters interior adapter cavity 7 will be discharged by transition passage, can not continue to enter grease chamber 12 through other the second seal ring 6.
If sneaked into bubble in oiling agent, in fuel tank working procedure, due to the extruding of 2 pairs of oiling agents of piston, the bubble of sneaking in oiling agent can infiltrate outer adapter cavity 4 or interior adapter cavity 7, also can discharge in the lump cylinder barrel 1.
In a kind of concrete mode of execution, interior adapter cavity 7 can be communicated with the first path 21, and interior adapter cavity 7 shares the first path 21 and flexible pipe 22 with outer adapter cavity 4, and transition passage is the first path 21 and flexible pipe 22.Interior adapter cavity 7 and outer adapter cavity 4 enter after gas, can all by the first path 21 and flexible pipe 22, be discharged to cylinder barrel 1 outside.
Further, as shown in Figure 2, the first path 21 can comprise first paragraph 211 and second segment 212, and first paragraph 211 is communicated with outer adapter cavity 4 and interior adapter cavity 7, and second segment 212 is communicated with first paragraph 211 and flexible pipe 22.First paragraph 211 can be the through hole between outer adapter cavity 4 and interior adapter cavity 7, and second segment 212 can be the through hole between piston 2 end faces and first paragraph 211.
Second segment 212 is positioned at the port of piston 2 end faces flexible pipe 22 is installed, the other end of flexible pipe 22 is communicated with cylinder barrel 1 outside, outer adapter cavity 4 and interior adapter cavity 7 can be communicated with cylinder barrel 1 outside, can discharge the gas that enters outer adapter cavity 4 and interior adapter cavity 7, can prevent that gas from infiltrating grease chamber 12, improved the lubrication effect in lubricating fitting real work.
If fuel tank has a plurality of outer adapter cavities 4 and a plurality of interior adapter cavity 7, can a plurality of outer adapter cavities 4 and a plurality of interior adapter cavity 7 are first in piston 2 internal communication, then by same flexible pipe 22, be communicated with the outside of cylinder barrel 1.
In another kind of concrete mode of execution, interior adapter cavity 7 also can arrange separately transition passage, on piston 2, alternate path is set, adapter cavity 7 in alternate path one end is communicated with, and the other end is positioned at the end face of piston 2 and is communicated with the outside of cylinder barrel 1 by flexible pipe 22.Interior adapter cavity 7 and outer adapter cavity 4 have respectively independent exhaust passage.If fuel tank has a plurality of outer adapter cavities 4 and a plurality of interior adapter cavity 7, can for each outer adapter cavity 4 and in each adapter cavity 7 independent the flexible pipe 22 that is communicated with cylinder barrel 1 outside is set.
A kind of preferred embodiment in, the outer wall of piston 2 arranges two the first seal rings 3, the inwall of the axis hole 23 of piston arranges two the second seal rings 6.As shown in Figure 3, this fuel tank has an outer adapter cavity 4 and an interior adapter cavity 7, and the two is communicated with by first paragraph 211, then by second segment 212 and flexible pipe 22, is communicated with the outside of cylinder barrel 1.
In further preferred embodiment, the piston 2 with axis hole 23 can be split-type structural, piston 2 comprises at least two minutes pistons 24, within each minute, piston 24 is set up in parallel, the axis hole 23 of each minute piston 24 all coordinates with the outer wall slipper seal of directional post 5, the outer wall of each minute piston 24 all coordinates with the inwall slipper seal of cylinder barrel 1, and within each minute, piston 24 has at least one first seal ring 3 and at least one second seal ring 6.
A plurality of minutes pistons 24 can be under the effect of the pressure of air cavity 11 associated movement, can also piston 24 arranges connected element for each minute, determine each minute relative position between piston 24.As shown in Figure 4, dividing the quantity of piston 24 is two, between two minutes pistons 24, leaves gap, at one minute, on piston 24, is provided with second segment 212, divide the gap between piston 24 to be communicated with outer adapter cavity 4 and interior adapter cavity 7, second segment 212 has been communicated with the outside of gap and cylinder barrel 1 by flexible pipe 22.
In the respective embodiments described above, flexible pipe 22 can be communicated with the outside of cylinder barrel 1 through air cavity 11, and one end that flexible pipe 22 is positioned at the outside of cylinder barrel 1 can be fixed on the end cap of cylinder barrel 1, also can be fixed on the housing of cylinder barrel 1.
Concrete, flexible pipe 22 also can be communicated with cylinder barrel 1 outside through grease chamber 12, and one end of flexible pipe 22 can be fixed on the end cap of cylinder barrel 1, or is fixed on the housing of cylinder barrel 1.
Further, in mode of execution, the end that flexible pipe 22 is positioned at the outside of cylinder barrel 1 has filter screen.The flexibility of flexible pipe 22 is better, and when piston 2 moves, the fixing one end of flexible pipe 22 and piston 2 is along with piston 2 moves.The filter screen of flexible pipe 22 ends can prevent pollutant suck-back, when interior adapter cavity 7 or outside pressure in adapter cavity 4 when lower, filter screen can prevent that pollutant from entering interior adapter cavity 7 or outer adapter cavity 4.
Except above-mentioned fuel tank, the utility model also provides a kind of lubricating fitting, comprised fuel tank and lubricant pump, and fuel tank is lubricant pump conveyor lubricant, and described fuel tank is fuel tank described in above-described embodiment, and the lubrication effect of this lubricating fitting in real work is better.
The structure of these other parts of lubricating fitting please refer to prior art, repeats no more herein.
Above fuel tank provided by the utility model and lubricating fitting are described in detail.Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.

Claims (15)

1. a fuel tank, comprises cylinder barrel (1) and piston (2), and described piston (2) coordinates with the inwall slipper seal of described cylinder barrel (1), and described cylinder barrel (1) is divided into air cavity (11) and grease chamber (12); It is characterized in that, the outer wall of described piston (2) arranges at least twice the first seal ring (3), and at least described in twice, the inwall of the first seal ring (3), described cylinder barrel (1) and the outer wall of described piston (2) form at least one outer adapter cavity (4); Described piston (2) has the first path (21), and described the first path (21) one end is communicated with described outer adapter cavity (4), and the other end is positioned at the end face of described piston (2) and is communicated with the outside of described cylinder barrel (1) by flexible pipe (22).
2. fuel tank as claimed in claim 1, is characterized in that, the outer wall of described piston (2) arranges two described the first seal rings (3), and a port of described the first path (21) is positioned between two described the first seal rings (3).
3. fuel tank as claimed in claim 1, it is characterized in that, described piston (2) comprises at least two minutes pistons (24), described in each, a minute piston (24) is set up in parallel and all coordinates with the inwall slipper seal of described cylinder barrel (1), divides described in each a piston (24) to have the first seal ring (3) described at least one.
4. fuel tank as claimed in claim 3, is characterized in that, also comprises connected element, and described connected element is connected with a minute piston (24) described in each, determines described in each and divides the relative position between piston (24).
5. fuel tank as claimed in claim 1, is characterized in that, also comprises directional post (5), and the two ends of described directional post (5) are fixedly connected with two end caps of described cylinder barrel (1) respectively; Described piston (2) has axis hole (23), and described axis hole (23) coordinates with described directional post (5) slipper seal; The inwall of described axis hole (23) arranges at least twice the second seal ring (6), at least described in twice, the outer wall of the second seal ring (6), described directional post (5) and the inwall of described axis hole (23) form adapter cavity (7) at least one, and described interior adapter cavity (7) is communicated with the outside of described cylinder barrel (1) by transition passage.
6. fuel tank as claimed in claim 5, is characterized in that, described interior adapter cavity (7) is communicated with described the first path (21), and described transition passage is described the first path (21) and described flexible pipe (22).
7. fuel tank as claimed in claim 6, it is characterized in that, described the first path (21) comprises first paragraph (211) and second segment (212), described first paragraph (211) is communicated with described outer adapter cavity (4) and described interior adapter cavity (7), and described second segment (212) is communicated with described first paragraph (211) and described flexible pipe (22).
8. fuel tank as claimed in claim 5, it is characterized in that, described transition passage comprises alternate path, and described alternate path one end is communicated with described interior adapter cavity (7), and the other end is positioned at the end face of described piston (2) and is communicated with the outside of described cylinder barrel (1) by flexible pipe (22).
9. the fuel tank as described in claim 5 to 8 any one, is characterized in that, the outer wall of described piston (2) arranges two described the first seal rings (3), and the inwall of the described axis hole (23) of described piston arranges two described the second seal rings (6).
10. the fuel tank as described in claim 5 to 8 any one, it is characterized in that, described piston (2) comprises at least two minutes pistons (24), described in each, a minute piston (24) is set up in parallel, and described in each, a minute piston (24) has described at least one the first seal ring (3) and the second seal ring (6) described at least one.
11. fuel tanks as claimed in claim 10, is characterized in that, also comprise connected element, and described connected element is connected with a minute piston (24) described in each, determine described in each and divide the relative position between piston (24).
12. fuel tanks as described in claim 1 to 8 any one, is characterized in that, described flexible pipe (22) is communicated with the outside of described cylinder barrel (1) through described air cavity (11).
13. fuel tanks as described in claim 1 to 8 any one, is characterized in that, described flexible pipe (22) is communicated with the outside of described cylinder barrel (1) through described grease chamber (12).
14. fuel tanks as described in claim 1 to 8 any one, is characterized in that, the end that described flexible pipe (22) is positioned at the outside of described cylinder barrel (1) has filter screen.
15. 1 kinds of lubricating fittings, comprise that fuel tank and lubricant pump, described fuel tank are described lubricant pump conveyor lubricant, it is characterized in that, described fuel tank is the fuel tank described in claim 1 to 14 any one.
CN201320557594.7U 2013-09-09 2013-09-09 Oil tank and lubricating device Expired - Fee Related CN203517262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320557594.7U CN203517262U (en) 2013-09-09 2013-09-09 Oil tank and lubricating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320557594.7U CN203517262U (en) 2013-09-09 2013-09-09 Oil tank and lubricating device

Publications (1)

Publication Number Publication Date
CN203517262U true CN203517262U (en) 2014-04-02

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Application Number Title Priority Date Filing Date
CN201320557594.7U Expired - Fee Related CN203517262U (en) 2013-09-09 2013-09-09 Oil tank and lubricating device

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CN (1) CN203517262U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103423573A (en) * 2013-09-09 2013-12-04 郑州奥特科技有限公司 Fuel tank and lubricating device
CN106958736A (en) * 2017-05-10 2017-07-18 典辉商贸(上海)有限公司 A kind of lubrication oil supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103423573A (en) * 2013-09-09 2013-12-04 郑州奥特科技有限公司 Fuel tank and lubricating device
CN106958736A (en) * 2017-05-10 2017-07-18 典辉商贸(上海)有限公司 A kind of lubrication oil supply system

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