CN2332832Y - Translational fluid multipupose pump - Google Patents

Abstract

The utility model belongs to a pressure vacuum multi-purpose pump used for pumping fluid media, particularly a volume-type fluid pump; the pressurizing wheel of the volume-type fluid pump forms an axial column shape; both ends of the volume-type fluid pump form fan shapes (cylindrical fan wheels); a crankshaft penetrates the volume-type fluid pump which is matched with a circular cylinder body to work; the volume-type fluid pump is used for pressurizing and synergy with the combination of rotation and translational motion. The utility model can be served as the transferring and transporting equipment of various fluid media, and can be served as high-lift pumps, oil pumps, stick oil pumps, air pumps and vacuum pumps, and the utility model has simple structure, small volume, large flow quantity, broad application and low cost.

Description

A kind of translational multipurpose liquid pump

The utility model belongs to a kind of suction streams body medium pressure vacuum multipurposepump, and particularly a kind of impeller of booster is axial cylindricality, the two ends fan-shaped, and bent axle is from passing through therebetween, and lack circle cylinder body cooperating, and rotation combines the synergy of pressurizeing, multipurpose positive displacement pump with translation.

I once disclosed a kind of patent No. is 96245294.7 patented technology " the wheeled fluid pump of a kind of post ".Though this pump has structure, production technology is simple, and cost is low, and purposes is wide, efficient is than the conventional art advantages of higher, but because sealing is poor, medium refluxes many by the gap when elevated pressures, cause underfed, the width that lacks the circle opening is not enough, influences shortcomings such as fluid motion.

The utility model is to have proposed a kind of structure at the deficiency of above-mentioned prior art more to simplify, and efficient is higher, and structure is tending towards rational translational multipurpose liquid pump more.

The technical solution of the utility model is: comprise the pump case of being with fluid inlet and outlet, size cylinder body and be located at cylindricality impeller in the cylinder body, articular lamella, joint shaft and transmission shaft and end cap, in big cylinder body, there is band to lack the little cylinder body of circle, is provided with articular lamella on the top that lacks the little cylinder body of circle and is connected with big cylinder body top movable.The pass knothole of the other end of articular lamella and cylindricality impeller flexibly connects, and is respectively outlet of high and low pressure fluid chamber and high low pressure and import in the both sides of articular lamella.On transmission shaft, transmission shaft both can be bent axle to the cylindricality impeller by bearing fixing, also can be camshaft, and both available set sympodium and bearing were used, the use that matches of also available integral shaft and bearing shell; The assembly lengthening of drawing the end cap bearing of axle to be put people's duplex bearing during with camshaft, remove the bearing of another end cap.The sealing configuration that bearing or bearing shell are shielded is housed in the two ends of cylindricality impeller, and rectangle groove is longitudinally arranged in the equidistant at interval wound of the following outer rim of cylindricality impeller.UNICOM in cylinder body top is provided with outstanding hollow and cylinder body, dress adjustable spring vibration damper links to each other with the cylinder body articular lamella in it.Be provided with circular spill plane at left and right sides end cap inner face, elasticity adjustable groups component and wear-resistant seal layer are housed in it.To on the bearing assembly outside the end cap combined shock absorption device being housed, be used in combination with axle.

Compared with the prior art the utility model owing to adopted above-mentioned measure, has improved using effect greatly.Particularly adopt the joint that moving element in the cylinder is carried out spacing constraint and connect, make the cylindricality impeller change motion state, become translation, enlarged freedom of movement and flexibility from rolling.Thereby reduced wheel power loss and frictional loss to casing wall and working medium relative movement when work.And increased flow, prolonged working life.Adopted the associating of spring damper and combined shock absorption device and with after, eliminated vibrations, improved stationarity and efficient when moving.Therefore, the utlity model has long service life, pressure is big, vacuum well, efficient height, characteristics such as purposes is wide.

Description of drawings:

Fig. 1 is the utility model structural representation (throws off left end cap (13) after side view).

Fig. 2 is the A-A view.

The utility model is described in further detail below in conjunction with embodiment that accompanying drawing is given:

Among the figure: 1 eccentric wheel; 2 pairs of keys; Spiral roller bearing; 4 solid frame oil sealings; 5 stuffing box glands; 6 lack roller bearing; 7 joint axle sleeves; 8 cylindricality impellers; 9 joint shafts; 10 articular lamellas; 11 housings; 12 left end caps; 13 right end caps; 14 damping adjustable springs; 15 adjusting screw; 16 setscrew nuts; 17 plug wires; 18 combined shock absorption devices; 19 angle demodulator steel balls; 20 set screws; 21 eccentric wheels; 22 leaf springs; 23 pedal spring; 24 adjusting screw; 25 glands; 26 bearing play adjusting screw; 27 setscrew nuts; 28 main shafts; 29 lubricated hydraulic fluid ports; 30 clamping bolts; 31 end face wear-resistant seal plates; 32 elastomers; 33 glands; Prominent hollow portion on 34; 35 eccentric shafts.

Present embodiment with 30 tons of outer pipe internal diameter 65mm/time pump be example: comprise Master cylinder body in the pump case (11) and lack the circle cylinder body adopt cast inblock after machining form.The external diameter φ 204mm of pump case (11) wherein, Master cylinder body internal diameter φ 152mm lacks circle diameter of cylinder φ 116mm, the long 96mm of cylinder body, the dark 8mm of seam; The width of articular lamella (10) is 80mm, highly is 77mm, and the fixed bolt that is provided with suspension ring (not shown) and damping spring (14) at the middle part of articular lamella flexibly connects, and the other end of damping spring is connected with adjusting screw (15); The external diameter φ of cylindricality impeller (8) is 88mm, internal diameter φ 62mm, and axially long 80mm installs with one heart with 5305 spiral roller bearings (3) and eccentric shaft (35), and eccentric shaft (35) becomes the eccentric coaxality of 14mm with main shaft (28) by eccentric wheel (1); Main shaft (28) is installed in respectively on left end cap (12) and the right end cap (13) with 2305 bearings.Stuffing box gland (5) and solid frame oil sealing (4) are housed in the two ends of cylindricality impeller (8) to be protected taking turns inner bearing; Combined shock absorption device assembly (18), angle adjustment steel ball (19), set screw (20) are being housed on the bearing assembly of left end cap (13) and are being contained in eccentric wheel (21) on the main shaft (28), leaf spring (22), pedaling spring (23); Two keys (2) are the compostle member of eccentric shaft (35), the selection standard spare bearing that the use built-up shaft can be more convenient; But also bent axle can be improved grade of steel adopts bearing shell supporting after quenching with Subsequent tempering; End face wear-resistant seal plate (31) and elastomer (32) are the sealing layers that is contained on left and right sides end cap (12), (13) the inner face recess plane, can regulate by the adjusting bolt on the end cap at any time when wearing and tearing are arranged; Left and right sides end cap (12), (13) are done sealing gasket with the junction plane of housing (11) with fish paper.70 ° from an axis left side of the belows of cylindricality impeller (8), in H arrow indicator, every interval 3mm vertically digs the rectangle groove that 3 * 3mm is arranged on right 50 ° of scope edges.

The position of cylindricality impeller (8) in cylinder body is circuit 1/2 place among the figure, just in time cylinder body is separated in two.F ₁The direction of arrow is both low pressure areas of fluid inlet; F ₂The direction of arrow is fluid output.When main shaft (28) by eccentric wheel (1), eccentric shaft (35) continues to the i.e. F among the figure of clockwise direction ₂When direction was rotated, cylindricality impeller (8) was to upper left side F ₂When interior arrow place moved, damping spring (14) with upwards pulling of cylindricality impeller (8), increased an active force for cylindricality impeller (8) by articular lamella (10); When spring (14) when being recovered to top dead center, a compression cycle finishes, and next compression cycle is about to begin.When cylindricality impeller (8) to F ₁When interior arrow direction indication moves downward, when being in low load stage, extension spring just in time, by the necessary against the force of the spring of the cylindricality impeller (8) of main shaft (28) drive, a damping process in quick impulsion with initiatively can be in low-load time restriction of slowing down, a Here it is cycle period.The rotation function that main shaft (28) transmits motor is correspondingly passed to eccentric wheel (1) and eccentric shaft (35), pass to cylindricality impeller (8) by eccentric shaft (35) through spiral roller bearing again, cylindricality impeller (8) is under the spacing control of articular lamella (10), begin at a circuit, from last to the bottom right until lower dead center, again from the lower dead center to the upper left side until top dead center, ceaselessly produce translation displacement compressed fluid thus.At eccentric wheel (1) G arrow direction indication promptly is the sense of rotation of main shaft (28), also is the circulation route of the translation displacement of cylindricality impeller (8).Owing to adopted rational structure, thereby produced rational forms of motion, therefore made the pump motion reliable, effective.

Import and export Placement of the present utility model is 3 person's pulses on the wrist footpath (75mm) with interior pump with being threaded (available valve orchid connects outward), and the pump of bore is with the blue connection of valve more than 3 cun.

Claims (5)

1, a kind of translational multipurpose liquid pump, comprise the pump case (11) of being with fluid inlet and outlet, size cylinder body and be located at cylindricality impeller (8), articular lamella (10), joint shaft (9) and transmission shaft and end cap in the cylinder body, it is characterized in that having in the big cylinder body band to lack the little cylinder body of circle, be provided with articular lamella (10) is connected with big cylinder body top movable on the top that lacks the little cylinder body of circle, the pass knothole of the other end of articular lamella (10) and cylindricality impeller (8) flexibly connects, and the pass knothole of the other end of articular lamella (10) and cylindricality impeller (8) flexibly connects.Be respectively outlet of high and low pressure fluid chamber and high low pressure and import in the both sides of articular lamella (10), on transmission shaft, transmission shaft both can be bent axle to cylindricality impeller (8) by bearing fixing, also can be camshaft, both the available set sympodium cooperated with bearing, and also available integral shaft and bearing shell match.

2, translational multipurpose liquid pump as claimed in claim 1 is characterized in that being equipped with in the two ends of cylindricality impeller (8) sealing configuration that bearing or bearing shell are shielded, and in the equidistant at interval wound of the following outer rim of cylindricality impeller (8) rectangle groove is longitudinally arranged.

3, translational multipurpose liquid pump as claimed in claim 1 is characterized in that cylinder body top is provided with UNICOM in outstanding hollow and the cylinder body, and dress adjustable spring vibration damper links to each other with cylinder body intrinsic articulation plate (10) in it.

4, translational multipurpose liquid pump as claimed in claim 1 is characterized in that left and right sides end cap inner face is provided with circular conocave plane, is equipped with elasticity adjustable groups component and wear-resistant seal layer in it.

5, translational multipurpose liquid pump as claimed in claim 1 is characterized in that on the bearing assembly outside the end cap combined shock absorption device (18) being housed.

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