CN207229380U - A kind of high-pressure spray type gear pump - Google Patents

Abstract

The utility model discloses a kind of high-pressure spray type gear pump, including tourelle, self-lubricating bearing and the pump housing, the tourelle is made of driving shaft, driving gear, driven shaft and driven gear；Pump body upper end is provided with driving shaft, and driving shaft is connected by conducting wire with outside power source motor, and driving gear is provided with driving shaft, and driving gear side is equipped with driven gear, and driving gear is engaged with driven gear, and driven gear is fixedly mounted on driven shaft；Pump body lower end is provided with driven shaft, and driving shaft and driven shaft both ends are mounted on self-lubricating bearing；The side centre position of driving gear and driven gear contact offers fluid-infusing port, and opposite side offers fluid outlet.The utility model avoids the easy leakage phenomenon of lubricating oil, can reduce maintenance number, reduces cost of upkeep, the structure of self-lubricating bearing gear pump is simpler, reduces the manufacturing cost of gear pump, reduces the accident rate of gear pump.

Description

A kind of high-pressure spray type gear pump

Technical field

A kind of gear pump is the utility model is related to, is specifically a kind of high-pressure spray type gear pump.

Background technology

Gear pump most basic form is exactly that two identical gears of size are intermeshed in a close-fitting housing Rotation, the inside of this housing are mounted in the inside similar to the figure of eight, two gears, and the outside diameter of gear and both sides are closely matched somebody with somebody with housing Close.Come from the material of extruder in suction inlet to enter among two gears, and be full of this space, as the rotation of tooth is along shell Body moves, and is finally discharged when two teeth engage, but high-pressure spray type gear pump bearing side is equipped with lubricating structure currently on the market, Long-time service lubricating oil is easily revealed, and complicated, manufactures of high cost, high failure rate, and later maintenance cost is also high.

Utility model content

The purpose of this utility model is to provide a kind of high-pressure spray type gear pump, to solve to propose in above-mentioned background technology The problem of.

To achieve the above object, the utility model provides following technical solution：

A kind of high-pressure spray type gear pump, including tourelle, self-lubricating bearing and the pump housing, the tourelle is by actively Axis, driving gear, driven shaft and driven gear composition, the pump housing are screwed on base；On pump body End is provided with driving shaft, and driving shaft is connected by conducting wire with outside power source motor, and driving gear is provided with driving shaft, actively Gear side is equipped with driven gear, and driving gear is engaged with driven gear, and driven gear is fixedly mounted on driven shaft；In the pump housing Subordinate end is provided with driven shaft, and driving shaft and driven shaft both ends are mounted on self-lubricating bearing；Driving gear and driven gear connect Tactile side centre position offers fluid-infusing port, and opposite side offers fluid outlet.

As further program of the utility model：Oil sealing is equipped between the self-lubricating bearing and the pump housing.

As the utility model further scheme：It is screwed on front side of the pump housing and drive end bearing bracket is installed, is pumped It is screwed on rear side of body and rear end cap is installed.

As the utility model further scheme：Sealing ring is installed at the top of the pump housing.

As the utility model further scheme：The base is cast iron quality.

Compared with prior art, the beneficial effects of the utility model are：The structure design of the utility model is reasonable, eliminates axis The lubricating structure of side is held, plain bearing is replaced with into self-lubricating bearing, the easy leakage phenomenon of lubricating oil is avoided, guarantor can be reduced Support number, reduce cost of upkeep, the structure of self-lubricating bearing gear pump is simpler, reduce the manufacturing of gear pump into This, reduces the accident rate of gear pump.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model.

Fig. 2 is the A-A sectional views of Fig. 1.

In figure：1- bases, 2- drive end bearing brackets, 3- sealing rings, the 4- pump housings, 5- driving gears, 6- oil sealings, 7- rear end caps, 8- master Moving axis, 9- self-lubricating bearings, 10- driven shafts, 11- driven gears, 12- fluid-infusing ports, 13- fluid outlets.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1~2, a kind of high-pressure spray type gear pump, including tourelle, self-lubricating bearing 9 and the pump housing 4, institute State tourelle to be made of driving shaft 8, driving gear 5, driven shaft 10 and driven gear 11, the pump housing 4 is screwed On base 1；4 inner upper end of the pump housing is provided with driving shaft 8, and driving shaft 8 is connected by conducting wire with outside power source motor, Driving gear 5 is installed, 5 side of driving gear is equipped with driven gear 11, and driving gear 5 is nibbled with driven gear 11 on driving shaft 8 Close, driven gear 11 is fixedly mounted on 10 on driven shaft；Electrical power work drives driving wheel 8 to rotate, and driving wheel 8 drives master Moving gear 5 rotates together, and then driving gear 5 drives driven gear 11 to rotate, and driven gear 11 drives driven shaft 10 to rotate；Pump 4 interior lower end of body is provided with driven shaft 10, and driving shaft 8 and 10 both ends of driven shaft are mounted on self-lubricating bearing 9；Self-lubricating bearing 9 instead of original lubricating structure, and the structure of the gear pump made is simpler, reduce the zero of gear pump after cancelling lubricating structure Part, reduces the failure rate of equipment；The side centre position that driving gear 5 and driven gear 11 contact offers fluid-infusing port 12, opposite side offers fluid outlet 13, and fluid flows through tourelle by pipeline into fluid-infusing port 12, then leads to again Piping is flowed out from fluid outlet 13.

Further, oil sealing 6 is equipped between self-lubricating bearing 9 and the pump housing 4 described in the utility model, prevents self-lubricating bearing Outflow of lubrication oil in 9, avoids the waste of resource, reduces production cost.

Further, the front side of the pump housing 4 described in the utility model, which is screwed, is provided with drive end bearing bracket 2, and the rear side of the pump housing 4 is logical Cross screw and be installed with rear end cap 7, the parts inside the pump housing 4 can be protected, and avoid internal structure from being directly exposed to Outside, has certain beauty function.

Further, the top of the pump housing 4 described in the utility model is provided with sealing ring 3, prevents dust impurity from entering in the pump housing 4 Portion, increases the service life of part, while reduces the flowing of air, reduces the degree of oxidation of internal oil body, increases oil body and uses Time, economizes on resources.

Further, base 1 described in the utility model is cast iron quality, and high mechanical strength is sturdy and durable, of low cost.

The operation principle of the utility model is：

Electrical power work drives driving shaft 8 to rotate, and driving wheel 8 drives driving gear 5 to rotate together, and then driving gear 5 drive driven gears 11 rotate, and driven gear 11 drives driven shaft 10 to rotate again；10 both ends of driven shaft are from self-lubricating bearing 9 It is interior by there is setting in, self-lubricating bearing 9 in 4 both sides of the pump housing, driving shaft 8 in the pump housing 4 positioned at the upside of driven shaft 11, and two Original common bearing also by being replaced position self-lubricating bearing 9, eliminating original lubrication out of self-lubricating bearing 9 by end Mechanism, the centre position side that driving gear 8 and driven gear 11 contact on the pump housing 4 offers fluid-infusing port 12, another Side offers fluid outlet 13, and fluid flows through tourelle by pipeline into fluid-infusing port 12, then passes through pipeline again Flowed out from fluid outlet 13.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (5)

1. a kind of structure of high-pressure spray type gear pump, including tourelle, self-lubricating bearing and the pump housing, the tourelle by Driving shaft, driving gear, driven shaft and driven gear composition, the pump housing are screwed on base；In the pump housing Portion upper end is provided with driving shaft, and driving shaft is connected by conducting wire with outside power source motor, and driving gear is provided with driving shaft, Driving gear side is equipped with driven gear, and driving gear is engaged with driven gear, and driven gear is fixedly mounted on driven shaft；Pump Body interior lower end is provided with driven shaft, it is characterised in that：Driving shaft and driven shaft both ends are mounted on self-lubricating bearing；Driving tooth The side centre position of wheel and driven gear contact offers fluid-infusing port, and opposite side offers fluid outlet.

2. the structure of high-pressure spray type gear pump according to claim 1, it is characterised in that：The self-lubricating bearing and pump Oil sealing is equipped between body.

3. the structure of high-pressure spray type gear pump according to claim 1, it is characterised in that：Pass through spiral shell on front side of the pump housing Silk is installed with drive end bearing bracket, is screwed on rear side of the pump housing and is provided with rear end cap.

4. the structure of high-pressure spray type gear pump according to claim 1, it is characterised in that：It is provided with the top of the pump housing Sealing ring.

5. the structure of high-pressure spray type gear pump according to claim 1, it is characterised in that：The base is cast iron material Matter.