CN203685506U - Novel oil pump air channel - Google Patents
Novel oil pump air channel Download PDFInfo
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- CN203685506U CN203685506U CN201320676439.7U CN201320676439U CN203685506U CN 203685506 U CN203685506 U CN 203685506U CN 201320676439 U CN201320676439 U CN 201320676439U CN 203685506 U CN203685506 U CN 203685506U
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- gas
- pump housing
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- 239000011148 porous material Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
A novel oil pump air channel comprises a pump body and a cylinder which is connected to the pump body, wherein an air cavity of the cylinder is divided into an upper air cavity and a lower air cavity by a pneumatic piston, an upper air channel is arranged between an inner sleeve and an outer sleeve of the cylinder, the upper end of the upper air channel is communicated with the upper air cavity, the lower end of the upper air channel is communicated with a lower hole which is formed in the pump body, and the lower air cavity is communicated with an upper hole which is formed in the pump body; a vent hole is formed between the upper hole and the lower hole, and an air direction converting slider is arranged in front of the lower hole, the upper hole and the vent hole in the pump body; when the air direction converting slider is in an upper limit position, the lower hole is communicated with an air inlet in the pump body, an air-in channel of the upper air cavity is formed by the lower hole, the air inlet and the upper air channel, and an exhaust channel of the lower air cavity is formed after an exhaust hole is communicated with the upper hole; when the air direction converting slider is in a lower limit position, the upper hole is communicated with the air inlet in the pump body, thereby forming an air-in channel of the lower air cavity, the exhaust hole is communicated with the lower hole, and an exhaust channel of the upper air cavity is formed by the upper air channel, and the vent hole and the lower hole which are communicated.
Description
Technical field
The utility model relates to a kind of novel oil pump gas circuit.
Background technique
Two gas circuits of existing Pneumatic oil pump are generally inner one, outside one.Referring to Fig. 1, inner air flue be by upper hole 1 ', middle pore 2 ' connection forms, and with suction port 3 ' be communicated with form lower air chamber 4 ' gas-entered passageway, or with exhaust port 5 ' is communicated with formation lower air chamber 4 ' exhaust passage; External channel be by lower hole 6 ', outside air flue 7 ' connection forms, and with suction port 3 ' be communicated with form upper gas chamber 8 ' gas-entered passageway, or with exhaust port 5 ' is communicated with formation upper gas chamber 8 ' exhaust passage.Although the circuit of this scheme is fairly simple, easily realize; But, in use and handling process, easily break outside gas circuit, make processing and high with the cost of material.
Summary of the invention
The utility model provides a kind of practical, robust novel oil pump gas circuit.
The technical solution adopted in the utility model is:
Novel oil pump gas circuit, comprise the pump housing and be connected to the cylinder on the pump housing, the air cavity of described cylinder is divided into upper gas chamber and lower air chamber by pneumaticpiston, it is characterized in that: between the inner sleeve of described cylinder and overcoat, be provided with air flue, the upper end of described upper air flue is communicated with upper gas chamber, its lower end is communicated with the lower hole being arranged on the pump housing, and described lower air chamber is communicated with the upper hole being arranged on the pump housing, described upper hole is provided with exhaust port between Yu Xia hole, the described pump housing is interior in lower hole, upper hole, the front side of exhaust port is provided with gas to conversion slide block, described gas to conversion slide block when the upper limit position, described lower hole and suction port on the pump housing are communicated with and form together with upper air flue the gas-entered passageway of upper gas chamber, described exhaust port is communicated with upper hole the exhaust passage that forms lower air chamber, described gas to conversion slide block when the lower position, described upper hole is communicated with the suction port on the pump housing gas-entered passageway that forms lower air chamber, described exhaust port and lower hole are communicated with and form together with upper air flue the exhaust passage of upper gas chamber.
Further, the lower end of described upper air flue is communicated with lower hole by being arranged on the transverse air hole, left side pore, the arc air flue that connect successively on the pump housing.
Further, the upper end of described left side pore is provided with sealed screw.
Further, the upper end of described upper air flue is communicated with upper gas chamber by cylinder head air drain.
Further, described lower air chamber is communicated with upper hole by the middle pore being arranged on the pump housing.
The beneficial effects of the utility model: two air flues of cylinder are all arranged to inside cylinder inside, avoid breaking gas circuit in use and handling process, reduce processing and use material cost, practical, sturdy and durable.Gas circuit connecting link is simplified, and dismounting is simple, facilitates later maintenance, and monnolithic case compactness is attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing oil pump gas circuit.
Fig. 2 is structural representation of the present utility model.
Fig. 3 be the utility model along A-A in Fig. 2 to sectional view.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model contained all alternatives, improvement project and the equivalents that within the scope of claims, may comprise.
With reference to Fig. 2, Fig. 3, novel oil pump gas circuit, comprise the pump housing 1 and be connected to the cylinder 2 on the pump housing 1, the air cavity of described cylinder 2 is divided into upper gas chamber 4 and lower air chamber 5 by pneumaticpiston 3, between the inner sleeve of described cylinder 2 and overcoat, be provided with air flue 6, the upper end of described upper air flue 6 is communicated with upper gas chamber 4, and its lower end is communicated with the lower hole 7 being arranged on the pump housing 1, and described lower air chamber 5 is communicated with the upper hole 8 being arranged on the pump housing 1, between described upper hole 8 and lower hole 7, be provided with exhaust port 9, the described pump housing 1 is interior in lower hole 7, upper hole 8, the front side of exhaust port 9 is provided with gas to conversion slide block 10, described gas to conversion slide block 10 when the upper limit position, described lower hole 7 and the suction port 11 on the pump housing 1 are communicated with and form together with upper air flue 6 gas-entered passageway of upper gas chamber 4, described exhaust port 9 is communicated with upper hole 8 exhaust passage that forms lower air chamber 5, described gas to conversion slide block 10 when the lower position, described upper hole 8 is communicated with the suction port 11 on the pump housing 1 gas-entered passageway that forms lower air chamber 5, described exhaust port 9 and lower hole 7 are communicated with and form together with upper air flue 6 exhaust passage of upper gas chamber 4.
The lower end of described upper air flue 6 is communicated with lower hole 7 by being arranged on the transverse air hole 12, left side pore 13, the arc air flue 14 that connect successively on the pump housing 1.
The upper end of described left side pore 13 is provided with sealed screw 15.
The upper end of described upper air flue 6 is communicated with upper gas chamber 4 by cylinder head air drain 17.
Described lower air chamber 5 is communicated with upper hole 8 by the middle pore 16 being arranged on the pump housing 1.
Principle of the present utility model is in the time that gas is positioned at limes superiors position to conversion slide block 10, lower hole 7 is communicated with the suction port 11 on the pump housing 1, pressurized gas enters from lower hole 7 through suction port 11, arrive upper gas chamber 4 by way of arc air flue 14, left side pore 13, transverse air hole 12, upper air flue 6, cylinder head air drain 17, form the gas-entered passageway to upper gas chamber 4 pressurized gass.Now, middle pore 16, upper hole 8, exhaust port 9 are communicated with the exhaust passage that forms lower air chamber 5 pressurized gass.In the time that gas is positioned at limit inferior position to conversion slide block 10, this cylinder head air drain 17, upper air flue 6, transverse air hole 12, left side pore 13, arc air flue 14, lower hole 7, exhaust port 9 form the exhaust passage of upper gas chamber 4 pressurized gass, now, suction port 11, upper hole 8, middle pore 16 are communicated with the gas-entered passageway that forms lower air chamber 5 pressurized gass.
Claims (5)
1. novel oil pump gas circuit, comprise the pump housing and be connected to the cylinder on the pump housing, the air cavity of described cylinder is divided into upper gas chamber and lower air chamber by pneumaticpiston, it is characterized in that: between the inner sleeve of described cylinder and overcoat, be provided with air flue, the upper end of described upper air flue is communicated with upper gas chamber, its lower end is communicated with the lower hole being arranged on the pump housing, and described lower air chamber is communicated with the upper hole being arranged on the pump housing, described upper hole is provided with exhaust port between Yu Xia hole, the described pump housing is interior in lower hole, upper hole, the front side of exhaust port is provided with gas to conversion slide block, described gas to conversion slide block when the upper limit position, described lower hole and suction port on the pump housing are communicated with and form together with upper air flue the gas-entered passageway of upper gas chamber, described exhaust port is communicated with upper hole the exhaust passage that forms lower air chamber, described gas to conversion slide block when the lower position, described upper hole is communicated with the suction port on the pump housing gas-entered passageway that forms lower air chamber, described exhaust port and lower hole are communicated with and form together with upper air flue the exhaust passage of upper gas chamber.
2. novel oil pump gas circuit according to claim 1, is characterized in that: the lower end of described upper air flue is communicated with lower hole by being arranged on the transverse air hole, left side pore, the arc air flue that connect successively on the pump housing.
3. novel oil pump gas circuit according to claim 2, is characterized in that: the upper end of described left side pore is provided with sealed screw.
4. according to the novel oil pump gas circuit one of claim 1 ~ 3 Suo Shu, it is characterized in that: the upper end of described upper air flue is communicated with upper gas chamber by cylinder head air drain.
5. novel oil pump gas circuit according to claim 4, is characterized in that: described lower air chamber is communicated with upper hole by the middle pore being arranged on the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676439.7U CN203685506U (en) | 2013-10-29 | 2013-10-29 | Novel oil pump air channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676439.7U CN203685506U (en) | 2013-10-29 | 2013-10-29 | Novel oil pump air channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685506U true CN203685506U (en) | 2014-07-02 |
Family
ID=51007417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320676439.7U Expired - Lifetime CN203685506U (en) | 2013-10-29 | 2013-10-29 | Novel oil pump air channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685506U (en) |
-
2013
- 2013-10-29 CN CN201320676439.7U patent/CN203685506U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |