CN2644699Y

CN2644699Y - Automatic oil absorbing and draining device

Info

Publication number: CN2644699Y
Application number: CN 03275845
Authority: CN
Inventors: 叶国忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-21
Filing date: 2003-07-21
Publication date: 2004-09-29
Anticipated expiration: 2013-07-21

Abstract

The utility model relates to an automatic oil suction and discharge device, in particular to a main body provided a driving chamber and a liquid spray chamber on both sides, wherein the liquid spray chamber is provided with an ejector device and the driving chamber is provided with a reciprocating drive which is a piston pushed by a spring, and an intermediate valve chamber provided with a balance valve is positioned in the centre of the piston body. A groove is arranged in the driving chamber, and two channels are positioned on the piston body so as to make air passed though the valve chamber and both sides of the piston body, and a driving rod, which is positioned on the piston body, extends into the liquid spray chamber through the main body; a fixed sealing cover and a sliding piston are arranged on each side of the driving rod, and a plurality of via holes are arranged on the wall of the piston; driven by the reciprocating drive, the piston in the liquid spray chamber reciprocates continuously so as to make the oil not only to be inhaled into the liquid spray chamber, but also to be send out, therefore, the speed and the amount of oil pumping need less labor and time, moreover, the efficiency of oil suction and discharge is improved.

Description

Automatic suction oil device

Technical field

The utility model is to utilize air pressure to drive the indoor reciprocating drive unit of a body one side drive to drive one and drive bar the corpse suction device of kowtowing in the purt suction-chamber of body opposite side is moved reciprocatingly, and then can connect the suction pipe of establishing in the fluid bucket of stretching into via the body lower end, the fluid purt can be sucked in the purt suction-chamber, and then pushed going out.

Background technique

The oil-sucker of general shaking type as shown in Figure 9, its structure comprises that the following termination of a body 8 establishes a pick-up tube 81, and in pick-up tube 81, be provided with one-way valve again, the upper end of body 8 then connects establishes a liquid-discharging tube 82, a side of body 8 is established a wind 83 simultaneously, and then make body 8 inside be separated into two spaces, one of them space is provided with laborsaving gear train, another space then is provided with two intermeshing pump gears 84 (please cooperate shown in Figure 10), so when turning wind 83, just can order about laborsaving gear train rotates, and then drive 84 rotations of two pump gears, make the space and the pick-up tube 81 that are positioned at two pump gears, 84 lower ends produce negative pressure, and then make the pick-up tube 81 that stretches in the fluid, fluid can be inhaled on the purt, be transferred out by being extruded by liquid-discharging tube 82 between two pump gears 84 then.

But such absorption fluid mode of structure has following shortcoming:

1. come drive pump gear 84 rotation with staff, the speed and the amount of not only time-consuming, effort but also imbibition all can't reach high efficiency requirement.

2. the both sides of pump gear 84 and the flank of tooth all must keep well sliding contact closely with body 8 inner walls usually, but between pump gear 84 and body 8 inner walls, through after the long abrasion, excesssive gap will take place, and then causing fluid to reflux, the effect that causes drawing fluid is not cited.

The model utility content

Desire is improved the effort that above-mentioned shaking type oil-sucker is drawn fluid, time-consuming, efficient is not good and may cause shortcomings such as backflow because of wearing and tearing, the purpose of this utility model is, a kind of automatic suction oil device is provided, its one side of establishing a body is provided with the automatic reciprocating drive unit of pneumatic type, the purt that drives the set tool imbibition ability of body another side is inhaled the piston of device, in the purt liquid chamber, constantly move reciprocatingly, connect the pick-up tube in the fluid of stretching into of establishing and make via the body lower end, after drawing fluid in the suction purt liquid chamber, by piston fluid is pushed out again, make the speed and the quantity of suction fluid, all can reach high efficiency requirement, and save time again, laborsaving.

A kind of automatic suction oil device of the utility model, it is characterized in that, be to comprise that body both sides respectively are provided with drive chamber and the purt grease chamber that reciprocating drive unit and purt suction device are housed, and drive chamber's front end is provided with the inlet of high-pressure air, rear end, purt grease chamber then is provided with the outlet of fluid, simultaneously the body lower end connects again and establishes a pick-up tube and pass to the purt grease chamber, and on pick-up tube installing one one-way valve, wherein:

Above-mentioned reciprocating drive unit is to comprise that both sides are provided with seal ring and the piston body of tool groove in the middle of the outside, be installed in the drive chamber of body one side, and be subjected to a spring push, and piston body one end affixed drives the purt liquid chamber that bar penetrates the body opposite side, and makes drive chamber's internal face book office be provided with the groove wide slightly than seal ring again; Make the piston body central interior establish one the more movably valve chamber of column valve is housed, and the set valve of an end that makes column valve can cover on the valve port of valve chamber, and the piston body that makes the valve port place again is provided with the passage of the open shape of an end, establish simultaneously a through hole on the piston body and make between groove and the valve chamber and be communicated with, and at the bottom of drive chamber, establish a vent again and pass to the external world; So constantly infeed in the drive chamber by high-pressure air, piston body is pushed rearward to end, the seal ring of piston body front end just in time is positioned at the groove place of drive chamber's wall, allow the high-pressure air can be via the groove and the through hole of groove, piston body, enter in the valve chamber and column valve is outwards passed, valve port is opened and made high-pressure air discharge via valve port, the passage vent at the bottom of by drive chamber, cause the indoor decompression of drive chamber, and make piston body be subjected to spring push and return back to the front end of drive chamber, and then in stopping of drive chamber's front end wall column valve is retreated to cover valve port again; So go round and begin again, and make piston body constantly in drive chamber, move reciprocatingly, drive bar and do reciprocal push-and-pull campaign at the purt liquid chamber thereupon and make.

The above-mentioned bar that drives is stretched in an end of purt liquid chamber with the affixed airtight cover of a driving screw, and then cunning is established the piston that a sidewall is provided with through hole all around on driving screw, and make airtight cover can contain each through hole of piston, therefore when driving bar and pass forward, airtight cover just in time abuts against the side of piston and makes through hole capped firmly, be to make the fluid in the purt liquid chamber of piston front side pushed go out, the purt liquid chamber internal cause of piston rear side produces negative pressure simultaneously, and with fluid in pick-up tube sucks the purt liquid chamber; When driving bar and retreat, piston slides off airtight cover because of being subjected to stopping of fluid, and the fluid of piston rear end can be replenished in the purt liquid chamber of piston nose by through hole again; So go round and begin again and fluid can constantly be transferred away.

Description of drawings

For further specifying technology contents of the present utility model, below in conjunction with embodiment and accompanying drawing describes in detail as after, wherein:

Fig. 1 is a sectional view of the present utility model.

Fig. 2 is the utility model suction and the action schematic representation that pushes fluid.

Fig. 3 is the action schematic representation of the utility model valve rod.

Fig. 4 is the action schematic representation of the utility model fluid by piston.

Fig. 5 is the local enlarged diagram in the utility model drive chamber inner wall trench place.

Fig. 6 is the embodiment two of the utility model drive chamber inner wall trench.

Fig. 7 is the embodiment three of the utility model drive chamber inner wall trench.

Fig. 8 is the embodiment four of the utility model drive chamber inner wall trench.

Fig. 9 is the schematic representation of existing shaking type oil-sucker.

Figure 10 is the pump gear place sectional view of existing shaking type oil-sucker.

Embodiment

Please consult shown in Figure 1, the structure of oil-sucker of the present utility model mainly is that the both sides that comprise a body 1 respectively are provided with a drive chamber 11 and a purt grease chamber 12, and be provided with the inlet 101 of high-pressure air at the front end of drive chamber 11, the rear end of purt grease chamber 12 then is provided with the outlet 102 of fluid, and the following termination that makes body 1 is again established a pick-up tube 7 and is passed to purt grease chamber 12, and installing one one-way valve 71 on pick-up tube 7, make again simultaneously and be equiped with reciprocating drive unit 2 in the drive chamber 11, inhale device 6 and be equiped with purt in the purt grease chamber 12, wherein:

Reciprocating drive unit 2 one is to comprise that both sides are equiped with the middle piston body 20 that is provided with groove 22 of the seal ring 21 and the outside, and allow the piston body 20 be to be installed in the drive chamber 11 of body 1 one sides, and make installing one springs 4 in the piston body 20 rear end drive chamber 11, and make 4 pairs of piston body 20 pushing tows of spring, multiple make the rear end affixed of piston body 20 drive bar 5 again, and order is driven bar 5 and is passed body 1 and stretch in the purt liquid chamber 12 of opposite side; In addition, make the book office of drive chamber's 11 interior sidewall surface be provided with the groove 13 (as shown in Figure 5) wide slightly than seal ring 21; Make piston body 20 central interior establish one the more movably valve chamber 24 of column valve 3 is housed, and make the set valve 32 of column valve 3 one ends can cover the valve port 26 of valve chamber 24, and the other end of column valve 3 is one to be positioned at the piston portion 31 of valve chamber 24, and the piston body 20 that makes valve port 26 places again is provided with the passage 25 of the open shape of an end, the both sides that can be communicated with piston body 20 when valve port 26 is opened via passage 25, simultaneously establish a through hole 23 on the piston body 20 and make and be communicated with between groove 22 and the valve chamber 24, and establish a vent 104 in drive chamber 11 bottoms again and pass to the external world.

It is the above-mentioned ends that bar 5 stretches into purt liquid chamber 12 that drive that purt is inhaled device 6, with a driving screw 51 affixed airtight covers 62, and then the sliding side wall surface of establishing is provided with the piston 61 of through hole 611 all around on driving screw 51, and make airtight cover 62 can contain each through hole 611 of piston 61.

So, as Fig. 2, Fig. 3 and shown in Figure 4, when high-pressure air constantly infeeds in the drive chamber 11 by inlet 101, piston body 20 is pushed rearward to the rear end not, this moment piston body 20 front ends seal ring 21 set groove 13 places of displacement chamber drive chamber 11 walls just in time, and allow the high-pressure air can be via groove 13, the groove 22 of piston body 20 and through hole 23, enter in the valve chamber 24 and column valve 3 is outwards passed, and then the valve 32 on the valve port 26 is opened, allow high-pressure air in the drive chamber 11 of piston body 20 forward end, via valve port 26, passage 25 flows in the drive chamber 11 of piston body 20 rear end side, and discharge in the external world via vent 104 again, so cause the indoor decompression of drive chamber 11, make piston body 20 can be subjected to the pushing tow of spring 4 and be reset to the front end of drive chamber 11, and then because of column valve 2 front ends are activated stopping of chamber 11 front end walls, again valve port 26 is closed after column valve 2 is retreated, high-pressure air can be passed piston body 20 again backward then; So go round and begin again, and make piston body 20 can constantly in drive chamber 11, do reciprocal motion, so make drive bar 5 also with do reciprocal push-and-pull campaign.

Simultaneously, constantly drive at piston body 20 and to drive bar 5 and move reciprocatingly, and driving bar 5 forward by when passing, be positioned at the piston 61 on the bar 5 terminal driving screws 51 of driving of purt liquid chamber 12, can retire backward and abut against with airtight cover 62, and then make airtight cover 62 live the through hole 611 of piston 61 sides is capped, when causing piston 61 reaches, make the purt liquid chamber 12 interior suction functions that produce of piston 61 rear end side, and then via pick-up tube 7 fluid is sucked in the purt liquid chamber 12 (as shown in Figure 2), so the fluid in the purt liquid chamber 12 of piston 61 forward end can be pushed out from exporting 102; Otherwise, as shown in Figure 4, when driving bar 5 and retreat, piston 61 is because be subjected to stopping of rear side fluid, makes piston 61 move forward and separate with airtight cover 62 along driving screw 51, so make the through hole 611 of piston 61 be open shape, fluid can be replenished in the purt liquid chamber 12 of piston 61 forward end by through hole 611, and then when piston 61 is passed forward, can make piston 61 abut against again with airtight cover 62, make pushed the going out of fluid of piston 61 forward end again; So go round and begin again, under the ordering about of reciprocating drive unit 2, fluid can constantly be transferred away.

Therefore, suction fluid is because of being the power of gas production pressure type, so very laborsaving, the speed and the quantity of aspirating fluid simultaneously all can reach high efficiency requirement, and the oil-sucker of the non-hand manpower formula of reality can be compared.

Secondly, as shown in Figure 6, originally can also change over the groove 13a of arc-shaped sections as the groove 13 of the rectangular cross section of Fig. 5; Or can change over again as shown in Figure 7 on the wall of drive chamber 11, be drilled with a plurality of screws, and be provided with screw 14, and make the end face of screw 14 be provided with concave-arc part 13b in each screw place spiral shell; Perhaps also can change over as shown in Figure 8 originally as the two side walls of the arc-shaped sections groove 13a of Fig. 6, be concaved with more shallow recess 13c again; No matter the variation of aforementioned groove 13 how, its purpose all is when making the seal ring 21 of piston body 20 front ends be positioned on the groove 13, just can make air by entering in the groove 22.

Although, the above embodiments have preferable exposure and the detailed description specialized to the utility model, be all and be familiar with this technology personage person and can know understanding, and its different shape made and local change should all be not break away from the utility model spirit and category.

Claims

1. automatic suction oil device, it is characterized in that, be to comprise that body both sides respectively are provided with drive chamber and the purt grease chamber that reciprocating drive unit and purt suction device are housed, and drive chamber's front end is provided with the inlet of high-pressure air, rear end, purt grease chamber then is provided with the outlet of fluid, simultaneously the body lower end connects again and establishes a pick-up tube and pass to the purt grease chamber, and on pick-up tube installing one one-way valve, wherein:

Reciprocating drive unit one is to comprise that both sides are equiped with the middle piston body that is provided with groove of the seal ring and the outside, and piston body is to be installed in the drive chamber, and make the spring of installing pair of pistons body pushing tow in the drive chamber of piston body rear end side, and piston body rear end affixed is passed body and is stretched into the bar that drives in the purt liquid chamber; Drive chamber's interior sidewall surface book office is provided with the groove wide slightly than seal ring in addition, simultaneously make the piston body central interior establish one again the movably valve chamber of column valve is housed, and make the set valve of column valve one end can cover the valve port of valve chamber, and the column valve the other end is provided with the piston portion that is positioned at valve chamber, on the piston body at valve port place, be provided with the passage of open shape then again, make valve port open the back and be communicated with the piston body both sides, be communicated between groove and the valve chamber establishing a through hole on the piston body again simultaneously, and the drive chamber bottom is established a vent and is passed to the external world;

It is the above-mentioned end that bar stretches into the purt liquid chamber that drives that purt is inhaled device one, with the affixed airtight cover of a driving screw, and slidingly on driving screw again is provided with the piston of through hole around establishing a side wall surface, and makes airtight cover can contain each through hole on the piston.

2. automatic suction oil device according to claim 1 is characterized in that, wherein the set rectangular shape of trench section of drive chamber's interior sidewall surface.

3. automatic suction oil device according to claim 1 is characterized in that, wherein the set curved shape of trench section of drive chamber's interior sidewall surface.

4. according to claim 2 or 3 described automatic suctions oil devices, it is characterized in that wherein the set trench section of the drive chamber's interior sidewall surface wall that is both sides increases more shallow recess again.

5. automatic suction oil device according to claim 1 is characterized in that wherein the set groove of drive chamber's interior sidewall surface also is drilled with a plurality of screws by the wall of drive chamber, and spiral shell is established the screw that end face is concave-arc part and substituted on each screw.