CN218991863U - Gear oil pump for carrier - Google Patents

Abstract

The utility model relates to the field of gear oil pumps and discloses a gear oil pump for a carrier, which comprises a pump body, wherein a movable gear and a driven gear are arranged in the pump body, a wheel shaft is arranged at the axis of the movable gear, a motor is arranged at the tail end of the wheel shaft, an oil inlet is arranged on the left side of the pump body, an oil outlet is arranged on the right side of the pump body, a damping layer is wrapped on the outer side of the pump body, a noise reduction shell is arranged on the outer side of the damping layer, when the gear oil pump operates, the motor drives the movable gear to mesh with the driven gear, oil is sucked from the oil inlet at low pressure and discharged from the oil outlet at high pressure, a Tesla valve is arranged in an oil inlet and outlet pipe, so that the effects of preventing backflow and accelerating transportation can be achieved, partial vacuum can be generated due to gear meshing when the gear meshing during operation, impact load is a main source of noise, noise pollution can be prevented from being formed by the noise absorption of the damping layer, the device has a simple structure and high operation efficiency, and the noise problem when the device is used is effectively solved.

Description

Gear oil pump for carrier

Technical Field

The utility model relates to the field of gear oil pumps, in particular to a gear oil pump for a carrier.

Background

The gear oil pump has the advantages of stability, high power and the like, is widely applied to the ship manufacturing industry, agriculture, mineral industry and metallurgical industry, is suitable for conveying various liquids with lubricity, and has the advantages of convenience in use, simplicity in operation and high conveying power.

The gear oil pump is a rotary pump which conveys liquid or pressurizes the liquid by means of the change and movement of working volume formed between a pump cylinder and a meshing gear, and comprises a pair of gears and the pump cylinder which are meshed with each other, wherein the interior of the pump cylinder is provided with a suction cavity and a discharge cavity through a gear meshing part; the gear pump is suitable for conveying lubricating liquid with larger viscosity range, has simple and compact structure, easy manufacture and convenient maintenance, has self-priming capability, so that motor vehicle lubricating oil is commonly lubricated by adopting the gear oil pump, in the prior art, sliding friction exists between meshing surfaces of gears which are meshed with each other in the gear oil pump and a transmission meshing gear, and impact load exists during operation, so that larger noise is unavoidable, meanwhile, because of the existence of the problems, the flow and the pressure of the gear oil pump generate larger pulsation, the normal lubrication of motor vehicle operation parts is influenced, the service life of each operation part is influenced, and along with the development of scientific technology, the motor vehicle noise becomes important environmental pollution, therefore, the gear oil pump is needed, and the noise generated by meshing during operation can be reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a gear oil pump for a carrier, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gear oil pump that carrier was used, includes the base, base upper segment fixed mounting has the clamp splice, fixed mounting has the shell of making an uproar that falls on the clamp splice, the inside pump body that is provided with of shell that falls of making an uproar, pump body right side middle part is provided with the one end of advance oil pipe, the right-hand member that falls the shell of making an uproar is extended to the other end of advance oil pipe, the pump body left end is provided with the one end of play oil pipe, the left end that falls the shell of making an uproar is extended to the other end of play oil pipe, the pump body front end is equipped with the front end cap, the pump body rear end is equipped with the rear end cap, the pump body inner chamber is provided with the movable gear, the centre bore of movable gear is provided with the driving shaft, the end of driving shaft is provided with the motor, the downside meshing of movable gear has driven gear.

Preferably, the damping layer is arranged on the inner side of the noise reduction shell, the damping layer can absorb noise well, and the material is fireproof, dampproof and good in durability, is low in price and is more convenient to take and replace in later period.

Preferably, the oil inlet pipe is consistent with the oil outlet pipe in caliber size, meshing points of the oil inlet pipe, the oil outlet pipe, the driving gear and the driven gear are located on the same horizontal line, tesla valves are arranged in the oil inlet pipe and the oil outlet pipe, reflux grooves are formed in the tesla valves, check valves are arranged at the tail ends of the reflux grooves and hinged to the top ends of the wall of the reflux grooves through torsion springs, the lower check valves are hinged to the bottom ends of the wall of the reflux grooves, mechanical faults possibly caused by later oil backflow can be effectively prevented by the tesla valves, normal oil transportation cannot be influenced, one-layer guarantee is added for the check valves, and the check valves are located on the same horizontal line and can guarantee stability and accuracy of transportation.

Preferably, the front end cover and the rear end cover are fixed on the pump body through the screw rod, the screw rod is fixed more firmly, and meanwhile, the rear end cover is convenient to disassemble and overhaul, parts are replaced, and the service life of the device can be effectively prolonged.

Preferably, the shape of the damping layer is consistent with the outline of the outer side of the pump body, and the damping layer can be attached to the surface of the pump body better, so that noise can be absorbed better.

(III) beneficial effects

Compared with the prior art, the utility model provides the gear oil pump for the carrier, which has the following beneficial effects:

1. this gear oil pump that carrier was used, through driving gear and driven gear meshing, form the suction chamber at the front end, form the discharge chamber at the rear end, cooperate inlet tube and play oil pipe to accomplish and inhale and extrude, inlet tube and play oil pipe are inside all to be provided with tesla valve, the inside reflux tank that is equipped with of tesla valve, the end of reflux tank is equipped with the check valve, and tesla valve can effectively prevent the mechanical failure that later stage fluid backward flow probably caused, can not influence its normal fluid transportation, and the check valve also adds one deck guarantee for it and reaches the purpose of transporting fluid, and this device only needs a motor and two gear meshing can accomplish the transportation, when its gear meshing is operated, because it can produce impact load, causes great noise, outside sound-proof housing can be fine separation noise, and the inlayer damping layer also can be better absorb partial noise simultaneously, prevents that it from forming noise pollution, polluted environment.

Drawings

FIG. 1 is a front view of the device;

FIG. 2 is a perspective view of a gear oil pump;

fig. 3 is a perspective view of the oil inlet and outlet pipe.

In the figure: 1. a base; 2. a noise reduction shell; 3. a pump body; 4. an oil inlet pipe; 5. an oil outlet pipe; 6. clamping blocks; 7. a damping layer; 8. a front end cover; 9. a rear end cover; 10. a movable gear; 11. a driving shaft; 12. a driven gear; 13. screw 14, tesla valve; 15. a reflux groove; 16. a non-return valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a gear oil pump for a carrier comprises a base 1, a clamping block 6 is fixedly mounted on the upper section of the base 1, a noise reduction shell 2 is fixedly mounted on the clamping block 6, a pump body 3 is arranged in the noise reduction shell 2, one end of an oil inlet pipe 4 is arranged in the middle of the right side of the pump body 3, the other end of the oil inlet pipe 4 extends out of the right end of the noise reduction shell 2, one end of an oil outlet pipe 5 is arranged at the left end of the pump body 3, the other end of the oil outlet pipe 5 extends out of the left end of the noise reduction shell 2, a front end cover 8 is arranged at the front end of the pump body 3, a rear end cover 9 is arranged at the rear end of the pump body 3, a movable gear 10 is arranged in an inner cavity of the pump body 3, a driving shaft 11 is arranged in a central hole of the movable gear 10, a motor is arranged at the tail end of the driving shaft 11, and a driven gear 12 is meshed with the lower side of the movable gear 10.

The noise reduction shell 2 is provided with the damping layer 7 on the inner side, the damping layer 7 can absorb noise well, and the material is fireproof, dampproof and good in durability, low in price and convenient to take and replace in later period.

The caliber of the oil inlet pipe 4 is consistent with that of the oil outlet pipe 5, meshing points of the oil inlet pipe 4, the oil outlet pipe 5, the driving gear 10 and the driven gear 12 are located on the same horizontal line, a Tesla valve 14 is arranged in the oil inlet pipe 4 and the oil outlet pipe 5, a reflux groove 15 is arranged in the Tesla valve 14, a check valve 16 is arranged at the tail end of the reflux groove 15, the upper check valve 16 is hinged to the top end of the pipe wall of the reflux groove 15 through a torsion spring, the lower check valve 16 is hinged to the bottom end of the reflux groove 15, the Tesla valve 14 can effectively prevent mechanical faults possibly caused by later oil backflow, normal oil transportation cannot be influenced, the check valve 16 is additionally provided with a layer of guarantee, and the stability and accuracy of transportation can be guaranteed due to the fact that the check valve 16 is located on the same horizontal line.

The front end cover 8 and the rear end cover 9 are fixed on the pump body 3 through the screw 13, the screw 13 is fixed more firmly, and meanwhile, disassembly and maintenance in the later stage are convenient, parts are replaced, and the service life of the device can be effectively prolonged.

The shape of the damping layer 7 is consistent with the outline of the outer side of the pump body 3, and the damping layer can be attached to the surface of the pump body 3 better and absorb noise better.

Instructions for use

When the device is used, the device is fixed at a specified position through the bottom plate 1, the driving shaft 11 is driven by the motor during starting the device, the driving shaft 11 drives the driving gear 10 to operate, the driving gear 10 is meshed with the driven gear 12, the driven gear 12 and the driving gear 10 rotate in the opposite direction, when the gears are disconnected, the cavity volume area is gradually increased, the suction cavity is formed behind the oil inlet pipe, the suction cavity is partial vacuum, liquid is sucked, the sucked liquid is filled among all teeth of the gears, the liquid is brought into the discharge cavity through meshing, an oil outlet pipe is arranged at the rear end of the discharge cavity, oil transportation is completed through suction and discharge, the Tesla valve 14 and the reflux groove 15 arranged in the pipe can complete normal oil transportation, the check valve 16 is hinged on the reflux groove through a torsion spring, the oil can impact the reflux groove 15 to push away the check valve 16 to complete transportation when the normal flow to the transportation, the torsion spring can enable the check valve 16 to retract and swing, the pump body is prevented from reversely flowing out, some noise can be generated when the pump body is in operation, the noise can be vibrated, the noise reduction layer 7 in the shell 2 can eliminate the vibration influence along with the vibration, and the noise can be prevented from polluting noise, the noise can be formed, the end cover can be detached after the device is used for a long time after the device is used, the end cover is convenient to be detached, and the end cover is used, and the end cover is convenient to be detached, and the end cover is used and the service life can be used and the end cover is convenient to be used and the service.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a gear oil pump that carrier was used, includes base (1), its characterized in that, base (1) top fixed mounting has clamp splice (6), fixed mounting has on clamp splice (6) and falls shell (2) of making an uproar, fall the inside pump body (3) that are provided with of shell (2) of making an uproar, pump body (3) right-hand member is provided with the one end of taking an uproar of shell (4) into oil, the right-hand member that falls shell (2) is extended to the other end of taking an uproar of shell (4), the one end of taking an uproar of shell (5) is provided with, the left end that falls shell (2) is extended to the other end of taking an uproar of shell (5), pump body (3) front end is equipped with front end cap (8), pump body (3) rear end is equipped with rear end cap (9), pump body (3) inner chamber is provided with movable gear (10), the centre bore of movable gear (10) is provided with driving shaft (11), the end of driving shaft (11) is provided with the motor, the downside meshing of movable gear (10) has driven gear (12).

2. The gear oil pump for a vehicle according to claim 1, wherein: the inner side of the noise reduction shell (2) is provided with a damping layer (7).

3. The gear oil pump for a vehicle according to claim 1, wherein: the oil inlet pipe (4) is consistent with the caliber of the oil outlet pipe (5), meshing points of the oil inlet pipe (4) and the oil outlet pipe (5) with the driving gear (10) and the driven gear (12) are located on the same horizontal line, a Tesla valve (14) is arranged inside the oil inlet pipe (4) and the oil outlet pipe (5), a reflux groove (15) is arranged inside the Tesla valve (14), a check valve (16) is arranged at the tail end of the reflux groove (15), the upper check valve (16) is hinged to the top end of the pipe wall of the reflux groove (15) through a torsion spring, and the lower check valve (16) is hinged to the bottom end of the pipe wall of the reflux groove (15).

4. The gear oil pump for a vehicle according to claim 1, wherein: the front end cover (8) and the rear end cover (9) are fixed on the pump body (3) through a screw rod (13).

5. The gear oil pump for a vehicle according to claim 2, wherein: the shape of the damping layer (7) is consistent with the outline of the outer side of the pump body (3).

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