CN87106319A - A reciprocating type cylinder and two chambers multifunctional ceiling press pump - Google Patents

Abstract

A reciprocating type cylinder and two chambers multifunctional ceiling press pump by a cylinder barrel, respectively is provided with a pressure chamber at the front portion and the afterbody of cylinder barrel.Piston makes a round trip in cylinder barrel just can finish twice suction action.This pump reduces one times driving mechanism and cylinder body, and it still can reach the pump efficiency of present reciprocating pump, this pump can overcome at present back and forth discharge opeing intermittent big, power consumption is high, power is low, the deficiency that volume is big.This pump has correspondingly changed traditional lubricating system, the coherence braking full-force feed when the inside and outside employing oil groove of driving mechanism parts and through hole are formed oil circuit, lubricant oil and flowed automatically in the oil circuit by the driving mechanism motion.This pump is mainly used in and draws water, pumps, inflates, dust suction etc.

Description

The present invention when piston moves, back and forth can both do an a kind of reciprocating type cylinder and two chambers multifunctional ceiling press pump of suction action by two pressure chambers of a cylinder in cylinder barrel.

Reciprocating pump is moved reciprocatingly by the piston in the pump housing, plunger or similar parts (following general designation piston) and finishes the action of suction and drain.This class pump compare with the pump of other kind have the pressure-bearing height, the volumetric efficiency height, so it is applied to every field widely.But, the piston of reciprocating pump makes a round trip in cylinder barrel and can only do suction action, this just has the following disadvantages: one, discharge opeing action is intermittent, and discharge opeing speed is changed in a very big scope, it does not reach institute if having time in the constant requirement of feed flow.Two, power consumption height, piston are finished suction action in cylinder barrel, will produce reciprocating friction between piston and casing wall one time; Driving mechanism will make a round trip and rotating machinery will rotate 360 ° power consumption.Three, pump efficiency is low, volume is big, many costs of materials height.

The deficiency that the present invention overcomes in the above-mentioned prior art provides an a kind of reciprocating type cylinder and two chambers multifunctional ceiling press pump.This pump is that the afterbody at the front portion of cylinder barrel and cylinder barrel respectively is provided with a pressure chamber, and piston makes a round trip in cylinder barrel and finishes twice suction action.When the past row of piston, preceding pressure chamber makes discharging operation, and tail presses the chamber to make suction action; When piston was gone again, preceding pressure chamber made suction action, and the tail pressure chamber makes discharging operation.The present invention compares with reciprocating pump has following characteristics: one, in the cylinder number condition identical with rotating speed, useless power consumption equates that pump efficiency can increase by 1 times; Two, the discharge opeing action intermittently can reduce one times; Three, identical in pump efficiency, cylinder barrel, piston, driving mechanism all will reduce one times.Because its these characteristics, it is low in energy consumption thereby reach, pump efficiency height, the purpose that volume is little, cost is low.A reciprocating type cylinder and two chambers multifunctional ceiling press pump, simplex pump can be taken out two kinds of different objects at one time.This pump is used to draw water, and pumps, vacuumizes, usefulness such as dust suction.Especially act on motorbus and draw water carwash, interior (the following general designation liquid) dust suction of car for best, because motorbus vehicle body height, car inner area are big, do cleaning with this pump and do not select the water source, can often keep the clean and tidy of car, can alleviate driver's burden (be equipped with automobile-used get final product) again with storage battery.To act on the irrigated farmland also be more satisfactory as mixing the minitype motivation machine because these pump volume petty gains are moved.

Optimum implementation: in this programme, this pump by piston 1, cylinder barrel 2, preceding pressure chamber 3, tail pressure chamber 4, advance part such as 15 of valve 5, valve door 10, pressure chamber's lower cover 14, pressure chamber's loam cake 16, connecting rod 18, tail chamber seal ring 19, coupling shaft 20, lubricating cup 21, push-pull arm 22, driven gear 25, tube of pressure-stabilizing 27 etc. and form.

Piston 1 places in the cylinder barrel 2, and central angle position, piston 1 rear portion is connected with the microcephaly of connecting rod 18.The major part of connecting rod 18 is connected by coupling shaft 20 with an end of push-pull arm 22, and the other end of push-pull arm 22 places on the outer eccentric arm 23 of the central angle of driven gear 25.Bearing 26 outer rings place on the bearing support of driven gear 25, and inner ring is enclosed within on the positioning shaft 24.When power plant (not having picture among the figure) when beginning to drive driven gear 25, the rotation of driven gear 25 makes that eccentric shaft 23 drives push-pull arms 22, the effect by connecting rod 18 makes piston 1 do regular to-and-fro motion cylinder barrel 2 in again.The front end of cylinder barrel 2 is provided with preceding pressure chamber 3, a tail end and is provided with a tail pressure chamber 4.Pressure chamber's lower cover 14 places the bottom of preceding pressure chamber 3 and tail pressure chamber 4; Pressure chamber's loam cake 16 places the top of preceding pressure chamber 3 and tail pressure chamber 4.The middle position of pressure chamber's lower cover 14 has a liquid entering hole 15; The central authorities of pressure chamber's loam cake 16 have a liquid port 17.The edge that advances valve 5 and valve door 10 is provided with polynary guide way 13(and sees Fig. 2), it can improve stable switching in valve and the piston stroke time corresponding polynary guide way 13; Can also guarantee the inlet and discharge valve door spring not with the pressure chamber then wall rub.It is conical that the valve head of inlet and discharge valve door is, and the inlet and discharge valve seat is type in the form of a ring, and the valve head Lip river is gone in the ring-type type valve seat promptly to close (see figure 1).Valve head is the action sensitivity height of cone type for opening and closing, can valve motion be hindered because of the effect of material viscosity.Advance valve 5 and place into the back of valve base 6 (Fig. 1 sees from top to bottom), advance valve spring 7 and place into valve 5 and advance between the holder for valve spring 8, valve 5 is closed owing to advance the active force of valve spring 7.Valve door 10 places the back of valve gate seat 9, and valve door spring 11 places between valve door 10 and the valve door spring seat 12, because the active force of valve door spring 11 is closed valve door 10.When piston 1 advanced forward in cylinder barrel 2, the valve door in the preceding pressure chamber 3 was opened, is advanced valve closing, makes discharging operation; Simultaneously advance valve opening in the tail pressure chamber 4, the valve door is closed, and makes suction action.Above-mentioned structure piston 1 makes a round trip in cylinder barrel 2 just can finish twice discharging operation and twice suction action.Tail chamber seal ring 19 is arranged at tail pressure chamber 4 connecting rods 18 and moves towards (see figure 1) on the locular wall in orientation, prevents from that liquid from leaking from here to rush down.Connecting rod 18 passes from tail chamber seal ring 19.Tube of pressure-stabilizing 27(sees Fig. 3), with pipeline (not having picture among the figure) liquid port 17 is communicated with entrance pressure mouth 28, object just enters in the tube of pressure-stabilizing 27.When reaching certain pressure in the tube of pressure-stabilizing 27, open just go out pressure mouth 29, guarantee feed flow invariable (constant as not needing feed flow, tube of pressure-stabilizing can not wanted) in institute is free.The lubrication system (see figure 4) has together 360 ° notch piston oil slot 30 in the middle of the piston wall and makes a call to a through hole from 90 ° of angles by piston 1 center of circle at notch position; Connecting rod 18 is made a call to a hole from microcephaly's center of top to the major part direction, and the hole is to major part the inner; Push-pull arm 22(figure turns right and sees) make a call to a hole to the right from left center of top, the hole is to the inner of right head, and the openning at left top is sealed with screw (not having picture among the figure); The neutral position that eccentric arm 23 connects with push-pull arm 22 has 360 ° notch eccentric arm oil groove 36; Coupling shaft 20(sees Fig. 5) outside connecting rod 18 connects, have 360 ° notch coupling shaft input oil groove 37A, at the notch coupling shaft input oil groove 37B that has 360 ° with push-pull arm 22 joints, turning left from the right side also is equipped with one at the center of axle and gangs up hole 38, and the openning of right part is sealed by oil sealing screw 40; The bottom of lubricating cup 21 is equipped with a through hole, and the center of oil cup cap 32 has a vent 33, prevents from the lubricating oil path 31 vapour lock to take place, and lubricating cup 21 is contained in the top of connecting rod 18 major parts, and is fastening by locking nut 34.Piston 1, connecting rod 18, coupling shaft 20 after lubricating cup 21, push-pull arm 22, eccentric arm 23 assemble up, are just formed a lubricating oil path 31 by oil groove in each parts and through hole.Lubricant oil 35 just can arrive each friction point through lubricating oil path 31, and lubricant oil 35 can be regulated with the running speed braking of pump and send oil pressure under the coherence active force, and it is better lubricated that each friction point is obtained.Cam ring 39 on the coupling shaft 20 is push-pull arm 22 and connecting rod 18 positioning cams at this.

Description of drawings:

Fig. 1 is this pump structure figure (not drawing fastening piece among the figure), 1 is piston among the figure, 2 is cylinder barrel, 3 is preceding pressure chamber, and 4 is the tail pressure chamber, and 5 for advancing valve, 6 for advancing valve base, 7 for advancing valve spring, and 8 for advancing holder for valve spring, and 9 is the valve gate seat, 10 is the valve door, 11 is the valve door spring, and 12 is valve door spring seat, and 14 is pressure chamber's lower cover, 15 liquid entering holes, 16 is pressure chamber's loam cake, 17 is liquid port, 18 is connecting rod, 19 is tail chamber seal ring, 20 is coupling shaft, 21 is lubricating cup, 22 is push-pull arm, and 23 is eccentric arm, and 24 is positioning shaft, 25 is driven gear, 26 is bearing.

Fig. 2 is the amplification stereogram of valve 5 and valve door 10 into, and 13 is polynary guide way among the figure.

Fig. 3 is the auxiliary equipment of this pump, and 27 is that tube of pressure-stabilizing, 28 is that entrance pressure mouth, 29 is for going out pressure mouth among the figure.

Fig. 4 is an enlarged view for this pump lubrication, and 30 is piston oil slot among the figure, and 31 is lubricating oil path, and 32 is that oil cup cap, 33 is exhaust port, and 34 is locking nut, and 35 is lubricant oil, and 36 is the eccentric arm oil groove.

Fig. 5 for 37A, 37B among the asphalt channel schematic representation of coupling shaft 20, the figure be the coupling shaft input oil groove, 38 for gang up the hole, 39 for cam ring, 40 be the oil sealing screw.

The invention has the advantages that: pump structure is simple, be convenient to produce, efficiency of pump height, low in energy consumption, volume is little, in light weight, cost is low etc.

Claims (8)

1. The claim that a reciprocating type cylinder and two chambers multifunctional ceiling press pump is asked is:

   1, a reciprocating type cylinder and two chambers multifunctional ceiling press pump, move in a cylinder barrel of two pressure chambers is set by a piston, it is characterized in that having set up a pressure chamber, piston is made a round trip in cylinder barrel just can finish twice discharging operation and twice suction action at the afterbody of cylinder barrel.
2. 2, pump of being asked as claim 1 is characterized in that each pressure chamber comprises that one is advanced valve and a valve door.
3. 3, a pump of being asked as claim 1 or claim 2 is characterized in that the valve head of each valve is cone type, and during valve working, valve head slides in valve seat, and this is a viscosity liquid to working medium, and valve motion can not hindered.
4. 4, pump of being asked as claim 3 is characterized in that the edge of each valve is provided with polynary guide way, the outer unit of polynary guide way all the time with the pressure chamber then wall contact, prevent the displacement when valve and valve spring are worked.
5. 5, pump of being asked as claim 4 is characterized in that the sealing that tail pressure chamber connecting rod moves towards the orientation is to place on the locular wall of tail pressure chamber with metal ring, and connecting rod passes from ring.
6. 6, pump of being asked as claim 5 is characterized in that lubricating oil path is to cooperate the lubricating oil path that communicates and form by the oil groove of piston, connecting rod, coupling shaft, push-pull arm, eccentric arm and through hole, and lubricant oil arrives each lubricating point by oil circuit.
7. 7, pump of being asked as claim 6 is characterized in that holding top, the lubricant oil that lubricating cup is located at connnecting rod big end and flows automatically in the oil circuit, and the coherence dynamic braking that driver produces during by pump work adds oil pressure for each lubricating point.
8. 8, pump of being asked as claim 7 is characterized in that being equipped with a tube of pressure-stabilizing, and the liquid that pump is discharged enters tube of pressure-stabilizing by pipeline, liquid is discharged when reaching certain pressure in the tube of pressure-stabilizing again, improves the constant function of feed flow in institute is free.

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