CN214660410U

CN214660410U - Anti-abrasion gear type oil pump

Info

Publication number: CN214660410U
Application number: CN202120761530.3U
Authority: CN
Inventors: 魏水源; 魏佳慧
Original assignee: Nanjing Jiayuan Technology Equipment Manufacturing Co ltd
Current assignee: Nanjing Jiayuan Technology Equipment Manufacturing Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-09
Anticipated expiration: 2031-04-14

Abstract

The utility model belongs to the technical field of oil pumps, in particular to an anti-abrasion gear type oil pump, aiming at the problem that the existing oil pump can not fully lubricate the oil pump, the scheme is provided, which comprises a shell, wherein the inner wall of the shell is respectively and rotatably connected with a hollow gear and a driven gear, the driven gear is meshed with the hollow gear, the inner wall of the hollow gear is rotatably connected with a turntable, a plurality of telescopic rods are fixedly arranged on the turntable, the inner wall of the shell is rotatably connected with a plurality of rotating rods, the rotating rods are matched with the telescopic rods, one end of each rotating rod is rotatably connected with a connecting rod, the connecting rod is rotatably connected with a sliding rod, the sliding rod is slidably connected with a stop lever, the utility model supplies oil to the hollow gear, and the engine oil flows out from the through hole of the hollow gear and flows to the meshing part of the two gears, the two gears are fully lubricated, and the size of the through hole is adjusted according to the condition.

Description

Anti-abrasion gear type oil pump

Technical Field

The utility model relates to an oil pump technical field especially relates to a gear formula oil pump of abrasionproof decreases.

Background

The oil pump is used for pumping the oil in the oil pan to the filter, and the oil can be reliably delivered to each lubricating oil channel and the friction surface of each moving part after passing through the filter; when the engine works, the oil pump continuously works to ensure that the engine oil continuously circulates in the lubricating oil path; in the prior art, the oil pump gear ensures the normal work of the engine, and ensures the coordinated and consistent work of all systems of the engine through the transmission among the gears;

the reasonable arrangement of the gears directly influences the functional use of other parts; the requirement is that the running of the engine oil pump gear is more stable for a long time, but the lubrication degree of the gear is reduced when the gear runs for a period of time, the gear is easy to wear and run and block, and the existing oil pump cannot fully lubricate the oil pump per se, so that the anti-wear gear type oil pump is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the oil pump in the prior art can not fully lubricate the oil pump, and providing an abrasion-proof gear type oil pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-abrasion gear type oil pump comprises a shell, wherein a hollow gear and a driven gear are respectively rotatably connected to the inner wall of the shell, the driven gear is meshed with the hollow gear, a rotary disc is rotatably connected to the inner wall of the hollow gear, a plurality of telescopic rods are fixedly mounted on the rotary disc, a plurality of rotary rods are rotatably connected to the inner wall of the shell and are matched with the telescopic rods, one end of each rotary rod is rotatably connected with a connecting rod, a sliding rod is rotatably connected to the connecting rod, a stop lever is slidably connected to the sliding rod and is fixedly mounted on the inner wall of the shell, two driving rods are rotatably connected to one end of each sliding rod, sliding blocks are rotatably connected to the two driving rods and are slidably connected to the inner wall of the shell, a driving lever is fixedly mounted on the rotary disc, and a positioning mechanism is arranged on the inner wall of the shell, the deflector rod is matched with the positioning mechanism.

Preferably, the positioning mechanism comprises a double-layer metal pipe, two driving blocks, two springs and an engaging ring, the double-layer metal pipe is in sliding contact with the shell, the two driving blocks are in sliding connection with the shell, the two springs are fixedly mounted on two sides of the top of the driving blocks respectively, the two springs are fixedly mounted on the inner wall of the shell, the engaging ring is fixedly mounted at the bottom of the driving blocks, and the positioning mechanism is used for positioning the size of the current through hole after the turntable completes the size adjustment of the through hole, so that the use is not influenced.

Preferably, the top of the shifting lever is fixedly provided with a rocker and an engaging block respectively, the engaging block is engaged with the engaging ring, the engaging block is fixedly connected with the shifting lever, the shifting lever is fixedly connected with the turntable, the engaging ring is fixedly connected with the driving block, the driving block drives the engaging ring to move up and down and is separated from and engaged with the engaging block, and the engaging block and the turntable are positioned by engagement, so that the engaging block and the turntable can be freely adjusted after being separated.

Preferably, the vertical sliding groove is formed in the stop lever, an inserting rod is fixedly mounted on one side of the sliding rod, the outer side of the inserting rod is connected with the inner wall of the vertical sliding groove in a sliding mode and used for keeping the sliding on the stop lever to vertically slide, and the two driving rods can be controlled and pulled by the connecting rod and the rotating rod after the vertical sliding.

Preferably, the top fixed mounting of telescopic link has the sleeve pipe, and the one end at the dwang is established to the sleeve pipe cover for accessible telescopic link drives the dwang and rotates when the carousel rotates.

Preferably, the hollow gear is provided with a plurality of through holes which are arranged at equal intervals, the shell is provided with an oil outlet, the through holes are used for conveying engine oil to the hollow gear and the driven gear which are meshed out, so that the hollow gear and the driven gear are fully lubricated, and the oil outlet is used for discharging the engine oil.

Has the advantages that: one end of the double-layer metal pipe is butted with the oil pan and the metal pipe connected with the oil pump, so that the oil pump can pump the oil into the shell when pumping the oil, and then the oil flows to the metal pipe connected with the oil pump and the engine through the oil outlet and flows to the engine;

the rotating rocker is rotated to drive the rotating disc to rotate, the rotating disc rotates to drive the plurality of telescopic rods to drive the rotating rods to rotate on the inner wall of the shell, the sliding rods are pushed upwards through the connecting rods while rotating, the two driving rods are pulled by the sliding rods, the two sliding blocks can be pulled by the two driving rods to increase the through holes, and the size of the through holes can be adjusted according to the model, the use duration and the existing demand of the engine;

the double-layer metal pipe is inserted into the shell, the double-layer metal pipe can press the driving block downwards when inserted, the driving block presses the meshing ring to engage with the meshing block, the deflector rod is positioned, and the position after adjustment is positioned;

the utility model discloses a carry out the fuel feeding to hollow gear, machine oil flows out from hollow gear's through-hole again, flows to the meshing department of two gears, carries out fully lubricated to two gears, still adjusts the through-hole size according to the condition.

Drawings

Fig. 1 is a three-dimensional view of a structure of an anti-wear gear type oil pump provided by the present invention;

fig. 2 is a main sectional view of a wear-resistant gear-type oil pump according to the present invention;

fig. 3 is a schematic view of the connection between the double-layer metal tube and the casing of the wear-resistant gear-type oil pump according to the present invention;

fig. 4 is a partial front view of a schematic structural diagram of an anti-wear gear-type oil pump according to the present invention;

fig. 5 is an enlarged schematic view of a structure a of the wear-proof gear-type oil pump of the present invention.

In the figure: the device comprises a shell 1, a hollow gear 2, a driven gear 3, a double-layer metal tube 4, a driving block 5, a spring 6, a meshing ring 7, a rotating rod 8, a driving rod 9, a driving rod 10, a connecting rod 11, a sliding block 12, a stop rod 13, a sliding rod 14, a meshing block 15, a rotary table 16 and a telescopic rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, an anti-wear gear type oil pump comprises a housing 1, a hollow gear 2 and a driven gear 3 are respectively rotatably connected to the inner wall of the housing 1, the driven gear 3 is engaged with the hollow gear 2, a rotary table 16 is rotatably connected to the inner wall of the hollow gear 2, a plurality of telescopic rods 17 are fixedly mounted on the rotary table 16, a plurality of rotating rods 8 are rotatably connected to the inner wall of the housing 1, the rotating rods 8 are matched with the telescopic rods 17, one end of each rotating rod 8 is rotatably connected with a connecting rod 11, a sliding rod 14 is rotatably connected to the connecting rod 11, a stop rod 13 is slidably connected to the sliding rod 14, the stop rod 13 is fixedly mounted on the inner wall of the housing 1, one end of the sliding rod 14 is rotatably connected with two driving rods 10, two sliding blocks 12 are rotatably connected to the two driving rods 10, both sliding blocks 12 are slidably connected to the inner wall of the housing 1, and a driving lever 9 is fixedly mounted on the rotary table 16, a positioning mechanism is arranged on the inner wall of the shell 1, and the deflector rod 9 is matched with the positioning mechanism; the positioning mechanism comprises a double-layer metal pipe 4, two driving blocks 5, two springs 6 and an engaging ring 7, the double-layer metal pipe 4 is in sliding contact with the shell 1, the driving blocks 5 are in sliding connection with the shell 1, the two springs 6 are fixedly arranged on two sides of the top of the driving blocks 5 respectively, the two springs 6 are fixedly arranged on the inner wall of the shell 1, the engaging ring 7 is fixedly arranged at the bottom of the driving blocks 5, and the positioning mechanism is used for positioning the size of the current through hole after the turntable 16 finishes adjusting the size of the through hole, so that the use is not influenced; the top of the shifting rod 9 is fixedly provided with a rocker and an engaging block 15 respectively, the engaging block 15 is engaged with the engaging ring 7, the engaging block 15 is fixedly connected with the shifting rod 9, the shifting rod 9 is fixedly connected with the turntable 16, the engaging ring 7 is also fixedly connected with the driving block 5, the driving block 5 drives the engaging ring 7 to move up and down and is separated from and engaged with the engaging block 15, and the engaging block 15 and the turntable 16 are positioned by engagement, so that the separation can be freely adjusted; a vertical sliding groove is formed in the stop lever 13, an inserting rod is fixedly mounted on one side of the sliding rod 14, the outer side of the inserting rod is connected with the inner wall of the vertical sliding groove in a sliding mode and used for keeping sliding on the stop lever to slide vertically, and after the sliding rod slides vertically, the connecting rod 11 and the rotating rod 8 can control and pull the two driving rods 10; a sleeve is fixedly arranged at the top end of the telescopic rod 17, is sleeved at one end of the rotating rod 8 and is used for driving the rotating rod 8 to rotate through the telescopic rod 17 when the rotating disc 16 rotates; a plurality of through holes which are arranged at equal intervals are formed in the hollow gear 2, an oil outlet is formed in the shell 1, the through holes are used for conveying engine oil to the hollow gear 2 and the driven gear 3 to be meshed out, the hollow gear 2 and the driven gear 3 are fully lubricated, and the oil outlet is used for discharging the engine oil.

The working principle is as follows: when the oil pump is used, one end of the double-layer metal pipe 4 is firstly butted with the oil pan and the metal pipe connected with the oil pump, so that the oil pump can pump the oil into the shell 1 when pumping the oil, then the oil flows to the metal pipe connected with the oil pump and the engine through the oil outlet, firstly the oil flows into the hollow gear 2 through the opening on the shell 1 and then flows into the meshing part with the driven gear 3 through the through hole on the hollow gear 2, the meshing of the hollow gear 2 and the driven gear 3 is fully lubricated, the friction between the hollow gear 2 and the driven gear 3 is reduced, the service life of the oil pump is prolonged, however, if the oil in the engine is shared, the oil in the engine can be shared by the circulation of the oil in the oil pump, the friction of the engine is increased, and at the moment, the oil inlet quantity can be reduced through the size of the through hole on the hollow gear 2, or the oil inlet quantity can be reduced according to the model of the engine, When the adjusting device is used for a long time and the existing demand of an engine is needed to adjust the size of the through hole, when the adjusting device needs to be adjusted, the double-layer metal tube 4 is firstly pulled out from one side of the shell 1, at the moment, the double-layer metal tube 4 is separated from the shell 1, the driving block 5 is reset through the spring 6 to drive the meshing ring 7 to be separated from the meshing block 15, at the moment, the shift lever 9 can freely rotate through the remote rod, the rocker rotates to drive the turntable 16 to rotate, the turntable 16 rotates to drive the plurality of telescopic rods 17 to drive the rotating rods 8 to rotate on the inner wall of the shell 1, the sliding rods 14 are pushed upwards through the connecting rods 11 during rotation, the sliding rods 14 further drag the two driving rods 10, the two driving rods 10 can drag the two sliding blocks 12, the through hole is enlarged, the reverse rotation is reduced, the double-layer metal tube 4 is installed after the adjustment is completed, the double-layer metal tube 4 is inserted to press the driving block 5 downwards, the driving block 5 is driven to further to press the meshing ring 7 to mesh the meshing block 15, the shifting rod 9 is positioned, the position after adjustment is positioned, and the hollow gear 2 is simple to operate and convenient to use because internal parts are small and can be produced through finish machining.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wear-proof gear type oil pump, includes shell (1), its characterized in that, rotate respectively on the inner wall of shell (1) and be connected with hollow gear (2) and driven gear (3), driven gear (3) mesh with hollow gear (2), it is connected with carousel (16) to rotate on the inner wall of hollow gear (2), fixed mounting has a plurality of telescopic links (17) on carousel (16), it is connected with a plurality of dwang (8) to rotate on the inner wall of shell (1), dwang (8) and telescopic link (17) cooperate, the one end of dwang (8) is rotated and is connected with connecting rod (11), it is connected with slide bar (14) to rotate on connecting rod (11), sliding connection has pin (13) on slide bar (14), pin (13) fixed mounting is on the inner wall of shell (1), one end of the sliding rod (14) is connected with two driving rods (10) in a rotating mode, the two driving rods (10) are connected with sliding blocks (12) in a rotating mode, the two sliding blocks (12) are connected to the inner wall of the shell (1) in a sliding mode, a shifting rod (9) is fixedly mounted on the turntable (16), a positioning mechanism is arranged on the inner wall of the shell (1), and the shifting rod (9) is matched with the positioning mechanism.

2. The gear type oil pump capable of preventing wear according to claim 1, wherein the positioning mechanism comprises a double-layer metal pipe (4), a driving block (5), springs (6) and a meshing ring (7), the double-layer metal pipe (4) is in sliding contact with the housing (1), the driving block (5) is in sliding connection with the housing (1), the number of the springs (6) is two, the two springs (6) are respectively and fixedly installed on two sides of the top of the driving block (5), the two springs (6) are both and fixedly installed on the inner wall of the housing (1), and the meshing ring (7) is fixedly installed at the bottom of the driving block (5).

3. The gear type oil pump capable of preventing abrasion according to claim 1, wherein a rocker and an engagement block (15) are fixedly mounted on the top of the shifting lever (9), and the engagement block (15) is engaged with the engagement ring (7).

4. The gear type oil pump according to claim 1, wherein the stop lever (13) is provided with a vertical sliding groove, one side of the sliding rod (14) is fixedly provided with an insert rod, and the outer side of the insert rod is slidably connected with the inner wall of the vertical sliding groove.

5. The gear type oil pump for preventing wear according to claim 1, wherein a sleeve is fixedly installed at the top end of the telescopic rod (17), and the sleeve is sleeved at one end of the rotating rod (8).

6. The gear type oil pump for preventing wear according to claim 1, wherein the hollow gear (2) is provided with a plurality of through holes arranged at equal intervals, and the housing (1) is provided with an oil outlet.