CN115681779A - Oil pump convenient to disassemble and assemble - Google Patents

Abstract

The invention discloses an oil pump convenient to disassemble and assemble, which comprises a pump body and a pump cover, wherein the pump body and the pump cover are oppositely arranged, a first base is fixedly arranged at the bottom of the pump body, a second base is fixedly arranged at the bottom of the pump cover, a first fixed block is fixedly arranged at the top of the pump body, and a second fixed block is fixedly arranged at the top of the pump cover. The gear disc and the gear sleeve are designed, the first disc is rotated, the first disc is moved and pressed down through the G-shaped groove and is clamped, at the moment, the gear disc is attached to the gear sleeve, the gear disc is rotated through the rotary through groove, the gear sleeve can be driven to rotate reversely through an external gear, and synchronous rotation of the internal fixing bolt is achieved.

Description

Oil pump convenient to disassemble and assemble

Technical Field

The invention relates to the technical field of oil pumps, in particular to an oil pump convenient to disassemble and assemble.

Background

The oil pump is a part installed on an engine to increase the pressure of oil and to ensure a certain amount of oil, and to forcibly supply oil to each friction surface. When the engine works, the driving gear on the cam shaft drives the transmission gear of the oil pump to rotate the driving gear fixed on the driving gear shaft, so that the driven gear is driven to rotate in the opposite direction, and the engine oil is delivered to the oil outlet cavity from the oil inlet cavity along the tooth gap and the pump wall. Therefore, low pressure is formed at the oil inlet cavity to generate suction force, and engine oil in the oil pan is sucked into the oil cavity. Since the driving and driven gears are continuously rotated, the oil is continuously supplied to a desired portion.

When the existing gear oil pump is installed, a pump body and a pump cover are fixed by using a plurality of bolts, when the gear oil pump is installed, each bolt is required to be screwed and fixed respectively, the installation is complicated and inconvenient, meanwhile, in the installation process, the bolts cannot be screwed down singly, all the bolts are required to be screwed and moved synchronously to a certain degree as much as possible to ensure that no gap is generated during installation, the installation technology has great requirements, and when the gear oil pump is disassembled after long-time use, due to the reason of internal engine oil, the pump body and the pump cover are not easy to separate, a hammer is required to beat to separate the pump body, a base and internal parts are damaged by beating, when the gear oil pump is installed, the bolts and the screw holes are not easy to align, the pump cover and the pump body need to be manually and slowly positioned to ensure that the pump body can align to carry out next part of installation, the efficiency of installation is influenced by manual calibration and positioning, and inconvenience is brought to the installation.

Disclosure of Invention

The invention aims to solve the problems in the background technology and provides an oil pump convenient to disassemble and assemble.

In order to achieve the purpose, the invention adopts the following technical scheme:

the oil pump convenient to disassemble and assemble comprises a pump body and a pump cover, wherein the pump body and the pump cover are arranged oppositely, a first base is fixedly arranged at the bottom of the pump body, a second base is fixedly arranged at the bottom of the pump cover, a first fixed block is fixedly arranged at the top of the pump body, and a second fixed block is fixedly arranged at the top of the pump cover;

the utility model discloses a set up the pump cover, including pump body, pump cover, no. one disc, no. two discs, no. one disc is kept away from one side of pump cover and is seted up a plurality of thread grooves, set up a plurality of gear sleeves on the pump cover, the mounted position of gear sleeve and the position one-to-one of seting up of No. one groove, the bolt logical groove has been seted up on the gear sleeve, the bolt logical groove is seted up the position and is corresponded with No. one logical groove, bolt logical inslot interpolation is equipped with fixing bolt, fixing bolt's one end runs through No. one logical groove, one side fixed mounting that the pump cover kept away from the pump body has a support column, the cover is equipped with No. one disc and No. two discs on No. one support column, the cover is equipped with the toothed disc on No. one support column and is located between No. one disc and No. two discs, a plurality of balls have all been inserted to toothed disc both sides, no. one disc and No. two discs contact with the both sides of toothed disc respectively, no. two discs one side fixed mounting No. one spring has No. one spring, no. one disk is kept away from No. two discs one end fixed connection on the pump cover is covered on the pump cover, no. two discs, no. one groove is seted up No. two discs G fixed block outer wall.

In the above oil pump convenient to disassemble and assemble, a gasket is arranged between the pump cover and the pump body, a plurality of through holes are formed in the gasket, the forming positions of the through holes correspond to the forming positions of the through grooves one by one, a plurality of positioning blocks are fixedly mounted on one side, close to the pump cover, of the pump body, a plurality of positioning grooves are formed in the pump cover, the forming positions of the positioning grooves correspond to the mounting positions of the positioning blocks one by one, a plurality of positioning holes are formed in the gasket, and the forming positions of the positioning holes correspond to the mounting positions of the positioning blocks one by one.

In the oil pump convenient to disassemble and assemble, a plurality of second positioning blocks are fixedly mounted on one side, close to the first base, of the second base, a plurality of second positioning grooves are formed in one side, close to the second base, of the first base, and the forming positions of the second positioning grooves correspond to the mounting positions of the second positioning blocks one to one.

In the oil pump convenient to disassemble and assemble, the second positioning block is inserted with two spherical limiting insertion rods, the inner wall of the second positioning groove is provided with two limiting grooves, and the positions of the limiting grooves correspond to the installation positions of the spherical limiting insertion rods.

In the oil pump convenient to disassemble and assemble, the semicircular grooves are formed in the sides, close to the pump body, of the second fixing block and the second base, the first sliding groove is formed in the side, close to the semicircular grooves, of the first fixing block and the first base, the first sliding groove is internally provided with the separating block in a sliding mode, and the separating block is of an arc-shaped structure with one vertical side in the horizontal direction.

In the oil pump convenient to disassemble and assemble, the C-shaped positioning rod is rotatably mounted on the second fixing block, the rubber rod is rotatably mounted on the C-shaped positioning rod, the L-shaped through groove is formed in the top of the first fixing block, and the opening position of the L-shaped through groove corresponds to the mounting position of the rubber rod.

In the above oil pump convenient to disassemble and assemble, a third positioning block is fixedly mounted in the bolt through groove, an extrusion spring is fixedly mounted on one side, close to the fixing bolt, of the third positioning block, a fourth positioning block is fixedly connected to one end, far away from the third positioning block, of the extrusion spring, and one side, far away from the extrusion spring, of the fourth positioning block is in contact with the fixing bolt.

In the oil pump convenient to disassemble and assemble, the side, away from the pump body, of the pump cover is inserted with the plurality of spherical spring blocks, and the spherical spring blocks are in contact with the clamping teeth of the gear sleeve.

Compared with the prior art, the oil pump convenient to disassemble and assemble has the advantages that:

1. according to the invention, the gear disc and the gear sleeve are designed, the first round disc is rotated, the first round disc is moved, pressed and clamped through the G-shaped groove, at the moment, the gear disc is attached to the gear sleeve, the gear disc is rotated through the rotary through groove, namely, the gear sleeve is driven to rotate, the synchronous rotation of the internal fixing bolt is achieved, and the process that the bolt needs to be synchronously screwed to a certain degree is simplified;

2. the second positioning block and the corresponding second positioning groove are designed, the horizontal direction of the second positioning groove is in a splayed structure with one inclined end, the second positioning block can be aligned to the second positioning groove in a guiding sliding effect in an inserting mode, then the second positioning block is inserted, when the spherical limiting insertion rod enters the limiting groove, the positioning is finished, and the problem that manual calibration and positioning between the pump body and the pump cover are difficult is solved;

3. the separating block and the semicircular groove are designed, the separating block is horizontally in an arc structure with one vertical side, and when the pump cover is disassembled, in order to prevent the pump body and the pump cover from being incapable of being separated after a fixing bolt is loosened, the separating block can be pressed down, so that the semicircular groove is extruded at one end with a large arc surface, the pump cover and the pump body achieve a separating effect, and the problem that the pump body and the pump cover are difficult to separate after long-time use is solved;

in conclusion, the oil pump assembling and disassembling device can effectively solve the problem of assembling and disassembling the oil pump, quickens the assembling efficiency and reduces the manpower loss.

Drawings

FIG. 1 is a schematic view of an oil pump of the present invention;

FIG. 2 is a schematic diagram of a side view of an oil pump convenient for assembly and disassembly according to the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic diagram of an elevational structure of a pump cover of the oil pump convenient to disassemble and assemble according to the present invention;

FIG. 5 is a schematic diagram of a back view structure of a pump cover in the oil pump convenient to disassemble and assemble;

FIG. 6 is a schematic structural diagram of a gasket in an oil pump convenient to disassemble and assemble according to the present invention;

fig. 7 is a schematic structural diagram of a pump body in the oil pump convenient to disassemble and assemble, which is provided by the invention;

FIG. 8 is a schematic side sectional view of an oil pump with easy assembly and disassembly according to the present invention;

FIG. 9 is an enlarged view of the structure of portion A of FIG. 8;

FIG. 10 is an enlarged view of the structure of portion B of FIG. 8;

fig. 11 is a schematic structural diagram of a first support column in the oil pump convenient to disassemble and assemble according to the present invention;

fig. 12 is a schematic cross-sectional structural diagram of a first support column in the oil pump convenient to disassemble and assemble according to the present invention.

In the figure: 1. a pump body; 2. a pump cover; 3. a first base; 4. a second base; 5. a first fixed block; 6. a second fixed block; 7. a thread groove; 8. a gear sleeve; 9. a first-order through groove; 10. a bolt through groove; 11. fixing the bolt; 12. a first support column; 13. a first disc; 14. a second disc; 15. a gear plate; 16. a first spring; 17. g-shaped grooves; 18. a wheel disc positioning block; 19. rotating the through groove; 20. a first through hole; 21. a first positioning block; 22. a second positioning block; 23. a first positioning groove; 24. positioning holes; 25. a gasket; 26. a second positioning groove; 27. a spherical limiting inserted rod; 28. a limiting groove; 30. a semicircular groove; 31. a first chute; 32. separating the blocks; 33. a C-shaped positioning rod; 34. a rubber rod; 35. an L-shaped through groove; 41. a third positioning block; 42. a compression spring; 43. a fourth positioning block; 101. a spherical spring block; 102. and a ball.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-12, the oil pump convenient to disassemble and assemble comprises a pump body 1 and a pump cover 2, wherein the pump body 1 and the pump cover 2 are arranged oppositely, a first base 3 is fixedly installed at the bottom of the pump body 1, a second base 4 is fixedly installed at the bottom of the pump cover 2, a first fixing block 5 is fixedly installed at the top of the pump body 1, and a second fixing block 6 is fixedly installed at the top of the pump cover 2.

One side of the pump body 1 close to the pump cover 2 is provided with a plurality of threaded grooves 7, the pump cover 2 is provided with a plurality of first through grooves 9, the opening positions of the first through grooves 9 are in one-to-one correspondence with the opening positions of the threaded grooves 7, one side of the pump cover 2 far away from the pump body 1 is rotatably provided with a plurality of gear sleeves 8, the installation positions of the gear sleeves 8 are in one-to-one correspondence with the opening positions of the first through grooves 9, the gear sleeves 8 are provided with bolt through grooves 10, the opening positions of the bolt through grooves 10 are in correspondence with the first through grooves 9, fixing bolts 11 are inserted into the bolt through grooves 10, one ends of the fixing bolts 11 penetrate through the first through grooves 9, one side of the pump cover 2 far away from the pump body 1 is fixedly provided with a first support column 12, the first support column 12 is sleeved with a first disc 13 and a second disc 14, a gear disc 15 is sleeved on the first support column 12 and positioned between the first disc 13 and the second disc 14, a plurality of balls 102 are inserted at two sides of the gear disc 15, the first disk 13 and the second disk 14 are respectively contacted with two sides of a gear disk 15, one side of the second disk 14, which is far away from the first disk 13, is fixedly provided with a first spring 16, one end of the first spring 16, which is far away from the second disk 14, is fixedly connected to the pump cover 2, the outer wall of the first support column 12 is provided with a G-shaped groove 17, a disk positioning block 18 is arranged in the G-shaped groove 17 in a sliding manner, one end of the disk positioning block 18, which is far away from the G-shaped groove 17, is fixedly connected to the inner annular wall of the first disk 13, the gear disk 15 is provided with a rotating through groove 19, a fixing bolt 11 is placed in the bolt through groove 10, the first disk 13 can rotate to the position of a vertical groove along the track of the G-shaped groove 17 and press down to a transverse groove at the bottom, then reversely rotate to a small vertical groove, the first disk is rebounded and clamped under the elastic force of the first spring 16, and the gear disk 15 is meshed with the gear sleeve 8, insert rotatory logical groove 19 through external instrument and rotate toothed disc 15, can drive toothed sleeve 8 through gear drive and rotate, reach the synchronous rotation of inside fixing bolt 11, when rotating a certain degree, can press and reverse rotation disc 13 No. one, make through 16 elasticity effects of a spring make toothed disc 15 and toothed sleeve 8 separate, then twist one by one through external instrument and move toothed sleeve 8 and make fixing bolt 11 screw up.

One side of the pump cover 2, which is far away from the pump body 1, is inserted with a plurality of spherical spring blocks 101, the spherical spring blocks 101 are in contact with the latches of the gear sleeve 8, the spherical spring blocks 101 can play a role in positioning the gear sleeve 8, when the spherical spring blocks 101 are positioned at the latch intervals of the gear sleeve 8, the gear sleeve 8 and the gear disc 15 are in a relative meshing state, and the gear sleeve 8 and the gear disc 15 can be meshed by pressing and rotating the first disc 13.

No. three locating blocks 41 are fixedly mounted in the bolt through groove 10, an extrusion spring 42 is fixedly mounted on one side, close to the fixing bolt 11, of each No. three locating block 41, one end, far away from the No. three locating block 41, of each extrusion spring 42 is fixedly connected with a No. four locating block 43, one side, far away from the extrusion spring 42, of each No. four locating block 43 is in contact with the fixing bolt 11, and the extrusion spring 42 drives the No. four locating blocks 43 to ensure that the fixing bolt 11 is tightly attached to the thread groove 7 in the locating process.

Be provided with the gasket 25 between pump cover 2 and the pump body 1, a plurality of through-holes 20 have been seted up on the gasket 25, the position one-to-one of seting up of a through-hole 20 and a logical groove 9, one side fixed mounting that pump body 1 is close to pump cover 2 has a plurality of locating pieces 21, a plurality of locating groove 23 have been seted up on the pump cover 2, the mounted position one-to-one of position and locating piece 21 is seted up to a locating groove 23, a plurality of locating holes 24 have been seted up on the gasket 25, the mounted position one-to-one of seting up position and locating piece 21 of locating hole 24, the effect of gasket 25 prevents that inside machine oil from leaking, can fix a position gasket 25 between the pump body 1 and pump cover 2 through a locating groove 23 and locating hole 24.

No. two base 4 is close to one side fixed mounting of No. one base 3 has a plurality of locating pieces 22 No. two, and No. two constant head tank 26 have been seted up to one side that No. two base 3 is close to No. two base 4, and the position of seting up of No. two constant head tank 26 corresponds with the mounted position one-to-one of No. two locating pieces 22, and No. two constant head tank 26 horizontal direction here is the structure of "eight" style of calligraphy on inclined plane of one end, can make the guide sliding action playing in the grafting.

Two spherical limiting insertion rods 27 are inserted into the second positioning block 22, two limiting grooves 28 are formed in the inner wall of the second positioning groove 26, the positions of the limiting grooves 28 correspond to the installation positions of the spherical limiting insertion rods 27, and when the second positioning block 22 is inserted into the second positioning groove 26, the spherical limiting insertion rods 27 can be inserted into the limiting grooves 28 to achieve a certain limiting effect on the pump body 1 and the pump cover 2 which are positioned completely.

No. two fixed block 6 go up the rotation and install C shape locating lever 33, the rotation and install rubber pole 34 on C shape locating lever 33, U-shaped through groove 35 has been seted up at 5 tops of fixed block, L-shaped through groove 35 sets up the position and corresponds with rubber pole 34 mounted position, C shape locating lever 33 can be rotatory after the grafting location go into L shape through groove 35 with rubber pole 34 card income, play certain spacing effect, can not produce great skew between the lid when guaranteeing rotatory fixing bolt 11, L shape leads to the groove 35 and makes the in-process of slowly screwing up at fixing bolt 11, rubber pole 34 has certain removal space.

No. two fixed block 6 and No. two base 4 have been close to one side of the pump body 1 and have been seted up semicircular groove 30, no. one spout 31 has been seted up to one side that No. one fixed block 5 and No. one base 3 are close to semicircular groove 30, slidable mounting has a separator 32 in the spout 31, be the vertical one side arc structure in one side on the separator 32 horizontal direction, during the dismantlement, for preventing that fixing bolt 11 from loosening back pump body 1 and the unable separation of pump cover 2, separator 32 can be pressed down, make the big one end extrusion semicircular groove 30 of cambered surface, make the pump cover 2 and produce the space between the pump body 1, reach the effect of lid separation.

The application process of the invention comprises the following steps: during installation, the gasket 25 can be positioned and fixed between the pump body 1 and the pump cover 2 through the first positioning groove 23 and the positioning hole 24, the second positioning block 22 is aligned with the second positioning groove 26 and then is inserted, when the spherical limiting insertion rod 27 enters the limiting groove 28, the positioning is finished, then the C-shaped positioning rod 33 is rotated, the rubber rod 34 is clamped into the L-shaped through groove 35 to fix the pump body 1 and the pump cover 2, then the gear sleeve 8 is rotated until the spherical spring block 101 is positioned at the gear spacing position of the gear sleeve 8, the first disc 13 is pressed and rotated, the first disc 13 is moved and pressed down through the G-shaped groove 17 and is clamped, at the moment, the gear disc 15 is attached to the gear sleeve 8, rotate toothed disc 15 through rotatory logical groove 19 and can drive 8 antiport of toothed sleeve through external gear, reach the synchronous rotation of inside fixing bolt 11, when rotating a certain degree, can rotate disc 13 once more, make toothed disc 15 bounce open, then twist toothed sleeve 8 one by one and make fixing bolt 11 tighten, reach the effect of installation, during the dismantlement, rotatory toothed sleeve 8 is in the gear interval position of toothed sleeve 8 to spherical spring piece 101 earlier, the operation when repeated tightening, loosen fixing bolt 11 through toothed disc 15, then rotatory locking C shape locating lever 33 makes it loosen, press separation piece 32 messenger pump body 1 and pump cover 2 separation.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a make things convenient for oil pump of dismouting, includes pump body (1) and pump cover (2), its characterized in that: the pump body (1) and the pump cover (2) are arranged oppositely, a first base (3) is fixedly installed at the bottom of the pump body (1), a second base (4) is fixedly installed at the bottom of the pump cover (2), a first fixing block (5) is fixedly installed at the top of the pump body (1), and a second fixing block (6) is fixedly installed at the top of the pump cover (2);

the pump comprises a pump body (1), a plurality of threaded grooves (7) are formed in one side, close to the pump cover (2), of the pump cover (2), a plurality of through grooves (9) are formed in the pump cover (2), the positions of the through grooves (9) correspond to the positions of the threaded grooves (7) one by one, a plurality of gear sleeves (8) are rotatably mounted on one side, far away from the pump body (1), of the pump cover (2), the mounting positions of the gear sleeves (8) correspond to the positions of the through grooves (9) one by one, bolt through grooves (10) are formed in the gear sleeves (8), the positions of the bolt through grooves (10) correspond to the positions of the through grooves (9), fixing bolts (11) are inserted into the bolt through grooves (10), one ends of the fixing bolts (11) penetrate through the through grooves (9), a first supporting column (12) is fixedly mounted on one side, far away from the pump cover (1), of the first supporting column (12) is sleeved with a first disc supporting column (13) and a second disc (14), a plurality of discs (13) and a plurality of rolling balls (15) are respectively inserted into the two disc supporting columns (15), and the rolling balls (15) are respectively inserted into the two disc supporting columns (15) of the pump body (12), no. two disc (14) keep away from one side fixed mounting of a disc (13) have a spring (16), the one end fixed connection that No. two disc (14) were kept away from in a spring (16) is on pump cover (2), G shape recess (17) have been seted up on support column (12) outer wall, slidable mounting has rim plate locating piece (18) in G shape recess (17), the one end fixed connection that G shape recess (17) were kept away from in rim plate locating piece (18) is on a disc (13) inner ring wall, rotatory logical groove (19) have been seted up on toothed disc (15).

2. The oil pump convenient to disassemble and assemble according to claim 1, characterized in that: be provided with gasket (25) between pump cover (2) and the pump body (1), a plurality of through-holes (20) have been seted up on gasket (25), the position one-to-one of seting up of position and a logical groove (9) is seted up in a through-hole (20), one side fixed mounting that the pump body (1) is close to pump cover (2) has a plurality of locating pieces (21), a plurality of constant head tank (23) have been seted up on pump cover (2), the mounted position one-to-one of position and locating piece (21) is seted up in constant head tank (23), a plurality of locating holes (24) have been seted up on gasket (25), the mounted position one-to-one of position and locating piece (21) is seted up in locating hole (24).

3. The oil pump convenient to disassemble and assemble according to claim 1, characterized in that: no. two base (4) are close to one side fixed mounting of No. one base (3) have a plurality of locating pieces (22) No. two, no. two constant head tanks (26) have been seted up to one side that No. two base (3) are close to No. two base (4), the mounted position one-to-one of position and No. two locating pieces (22) is seted up to No. two constant head tanks (26).

4. The oil pump convenient to disassemble and assemble according to claim 3, characterized in that: two spherical limiting insertion rods (27) are inserted into the second positioning block (22), two limiting grooves (28) are formed in the inner wall of the second positioning groove (26), and the positions of the limiting grooves (28) correspond to the installation positions of the spherical limiting insertion rods (27).

5. The oil pump convenient to disassemble and assemble according to claim 1, characterized in that: no. two fixed block (6) and No. two base (4) are close to one side of the pump body (1) and seted up semicircular groove (30), no. one fixed block (5) and No. one base (3) are close to one side of semicircular groove (30) and seted up a spout (31), no. one spout (31) interpolation is equipped with separator block (32), be the vertical one side arc structure in one side on separator block (32) horizontal direction.

6. The oil pump convenient to disassemble and assemble according to claim 1, characterized in that: the rubber rod fixing device is characterized in that a C-shaped positioning rod (33) is rotatably mounted on the second fixing block (6), a rubber rod (34) is rotatably mounted on the C-shaped positioning rod (33), an L-shaped through groove (35) is formed in the top of the first fixing block (5), and the position of the L-shaped through groove (35) corresponds to the mounting position of the rubber rod (34).

7. The oil pump convenient to disassemble and assemble according to claim 1, characterized in that: no. three locating pieces (41) are fixedly mounted in the bolt through groove (10), one side fixed mounting that No. three locating pieces (41) are close to fixing bolt (11) has extrusion spring (42), no. four locating pieces (43) of one end fixedly connected with of No. three locating pieces (41) are kept away from extrusion spring (42), one side that No. four locating pieces (43) kept away from extrusion spring (42) contacts with fixing bolt (11).

8. The oil pump convenient to disassemble and assemble according to claim 1, characterized in that: one side of the pump cover (2) far away from the pump body (1) is inserted with a plurality of spherical spring blocks (101), and the spherical spring blocks (101) are in contact with the clamping teeth of the gear sleeve (8).

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