CN218565092U

CN218565092U - Rotor type oil pump

Info

Publication number: CN218565092U
Application number: CN202223062910.1U
Authority: CN
Inventors: 陈锐志
Original assignee: Yancheng Guisheng Machinery Co ltd
Current assignee: Yancheng Guisheng Machinery Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-03
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a rotor formula oil pump of rotor oil pump technical field, including oil pump body and rotor shaft to and inner rotor, a side at the oil pump body is fixed to the rotor shaft, inner rotor is fixed and is connected with the rotation of oil pump body in the rotor shaft, the oil storage tank has been seted up in the rotor shaft. Through the oil storage tank that sets up, when the oil pump body is carrying out the processing operation, the inner rotor can be located the rotor shaft and be the rotation form this moment, inner rotor can make the ball atress be rotatory form when rotating, the ball can cooperate the surface of leading to the inner rotor through rotating with oil after that, stopper this moment will be located the spacing inslot and slide and carry on spacingly, oil accessible passes through the leading-in collecting vat of through-hole with oil afterwards, the effect of being convenient for give oil has been realized, prevent that rotor shaft and inner rotor from appearing when carrying out the operation, the inner rotor easily produces the friction with the contact surface of rotor shaft, produce thermal easy wearing and tearing that appear simultaneously, thereby influence use sense and life.

Description

Rotor type oil pump

Technical Field

The utility model relates to a rotor oil pump technical field especially relates to rotor formula oil pump.

Background

The rotor type oil pump comprises a shell, an inner rotor, an outer rotor, a pump cover and the like. The inner rotor is fixed on the rotor shaft by a key or a pin and is directly or indirectly driven by a crankshaft gear, the eccentricity between the centers of the inner rotor and the outer rotor is e, the inner rotor drives the outer rotor to rotate together along the same direction, and the tooth profile of the rotor is designed to ensure that when the rotor rotates to any angle, the tooth profile lines of each tooth of the inner rotor and each tooth of the outer rotor always form point contact with each other.

For example, the rotor type oil pump disclosed in the patent publication No. CN209587638U solves the problem that the existing rotor type oil pump has no leakage to a certain extent, such as the oil pump disclosed in the utility model patent No. ZL201420660293.1, but the sealing effect of the O-shaped sealing ring is limited, and the problem of oil leakage cannot be completely solved, especially, after long-time use, the sealing ring is aged and the sealing performance is worse, but the problem that the existing oil pump is not convenient to feed oil when in use is still not solved.

Disclosure of Invention

To the above problem, the utility model provides a rotor formula oil pump has the effect of the oil feed of being convenient for, prevents that inner rotor and rotor shaft friction from appearing and leading to damaging, or long-time friction from appearing and leading to the heat to increase to influence the result of use, have the effect of the protection of being convenient for simultaneously, prevent that lubricating oil from taking into piece impurity when giving into, lead to the increase of friction between inner rotor and the rotor shaft, seriously cause the dead condition of card.

The technical scheme of the utility model is that: rotor formula oil pump, including oil pump body and rotor shaft to and inner rotor, a side at the oil pump body is fixed to the rotor shaft, the inner rotor is fixed and is connected with the rotation of oil pump body in the rotor shaft, set up the oil storage tank in the rotor shaft, two fixed plates that are the symmetry setting of fixedly connected with in the oil storage tank, a side fixedly connected with connecting rod that the fixed plate is close to the inner rotor, the one end that the fixed plate was kept away from to the connecting rod is provided with the ball, the surface of ball is seted up flutedly, the spacing groove has all been seted up to the surperficial both sides of recess, the spacing inslot be equipped with connecting rod fixed connection's stopper.

In a further technical scheme, the mounting groove has been seted up to surface one side of rotor shaft, a side of mounting groove is equipped with the dog with the rotor shaft laminating, a side of dog is fixed with the protection pad with oil storage tank threaded connection, be equipped with the support frame in the mounting groove, the surperficial joint of support frame is connected with the protection network.

In a further technical scheme, the limiting block is rectangular and used for preventing the balls from dislocating, a collecting groove corresponding to the balls is formed in the inner rotor, and a plurality of uniformly distributed through holes are formed in the surface of the collecting groove.

In a further technical scheme, the ball penetrates through the inner wall of the rotor shaft, and the surface of the ball is tightly attached to the inner rotor.

In a further technical scheme, the through holes are in a three-three pair shape and used for guiding lubricating oil into the collecting groove.

In a further technical scheme, the protection network is used for preventing the piece from getting into the mounting groove in, a side fixed connection of protection network draws the piece, a side of support frame is equipped with the barrier plate with mounting groove fixed connection.

In a further technical scheme, one side of barrier plate is equipped with and is the laminating form with the support frame, and the barrier plate is used for preventing that the support frame is dislocated with the mounting groove when using.

The utility model has the advantages that:

1. through the arranged oil storage tank, when the oil pump body is in processing operation, the inner rotor can be positioned in the rotor shaft and is in a rotating shape, the subsequent inner rotor can enable the ball bearing to be in a rotating shape when rotating, the ball bearing can be matched to guide oil to the surface of the inner rotor through rotation, the limiting block is positioned in the limiting groove to slide for limiting, and then the oil can be guided into the collecting tank through the through hole, so that the effect of facilitating oil feeding is realized, the contact surface of the inner rotor and the rotor shaft is prevented from being easily rubbed when the rotor shaft and the inner rotor are in operation, the abrasion is easily generated while heat is generated, and the use feeling and the service life are influenced;

2. through the protection network that sets up, when the oil feeding equipment need be to the interior oil feeding of mounting groove, accessible rotating dog drives the protection pad and shifts out from the mounting groove, can insert the oil storage tank with the oil feeding equipment afterwards and carry out the oil feeding, oil accessible protection network this moment gets into in the oil storage tank, and can prevent through the protection network that sets up that oil from bringing into piece impurity when giving into, the effect of the protection of being convenient for has been realized, when preventing the oil storage tank inherent lubricating oil of giving into, lead to lubricating oil to bring into the piece when giving into, thereby influence the result of use.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present invention;

FIG. 2 is a schematic side-sectional structure diagram of the oil pump body according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of a stopper structure according to an embodiment of the present invention;

fig. 4 is a schematic side sectional structure view of an inner rotor according to an embodiment of the present invention;

fig. 5 is a schematic view of a protective screening structure according to an embodiment of the present invention.

Description of reference numerals:

1. an oil pump body; 2. a rotor shaft; 3. an inner rotor; 4. an oil storage tank; 5. a fixing plate; 6. a connecting rod; 7. a ball bearing; 8. a groove; 9. a limiting groove; 11. a limiting block; 12. collecting tank; 13. a through hole; 14. mounting grooves; 15. a stopper; 16. a protective pad; 17. a support frame; 18. a protective net; 19. pulling the block; 20. a barrier plate.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-5, the internal rotor lubricating oil pump comprises an oil pump body 1 and a rotor shaft 2, and an internal rotor 3, the rotor shaft 2 is fixed on one side surface of the oil pump body 1, the internal rotor 3 is fixed in the rotor shaft 2 and rotatably connected with the oil pump body 1, an oil storage tank 4 is formed in the rotor shaft 2, two fixing plates 5 which are symmetrically arranged are fixedly connected in the oil storage tank 4, a connecting rod 6 is fixedly connected to one side surface of the fixing plate 5, which is close to the internal rotor 3, a ball 7 is arranged at one end of the connecting rod 6, which is far away from the fixing plate 5, the ball 7 penetrates through the inner wall of the rotor shaft 2, the surface of the ball 7 and the internal rotor 3 are tightly attached, a groove 8 is formed in the surface of the ball 7, limiting grooves 9 are formed in both sides of the surface of the groove 8, a limiting block 11 fixedly connected with the connecting rod 6 is arranged in the limiting groove 9, the limiting block 11 is rectangular and is used for preventing the ball 7 from dislocating, a collecting tank 12 corresponding to the ball 7 is formed in the internal rotor 3, a plurality of through holes 13 which are uniformly distributed are formed in pairs, and the surface of the collecting tank 12, and the through holes 13 are used for guiding lubricating oil into the lubricating oil.

The working principle of the above technical scheme is as follows:

when the oil pump body 1 is in processing operation, at the moment, the inner rotor 3 can be located in the rotor shaft 2 and is in a rotating state, the subsequent inner rotor 3 can enable the balls 7 to be stressed and rotate when rotating, then the balls 7 can be matched with the surface of the inner rotor 3 to guide oil to the surface through rotation, and through the arranged limiting blocks 11, the balls 7 can be prevented from being dislocated with the connecting rod 6 when rotating, the limiting blocks 11 are located in the limiting grooves 9 to slide for limiting at the moment, then the oil can be guided into the collecting groove 12 through the through holes 13, and the inner rotor 3 can guide the oil out again through the through holes 13 when rotating, so that the oil quantity can be uniform, the effect of facilitating oil feeding is achieved, when the rotor shaft 2 and the inner rotor 3 are in operation, the contact surface of the inner rotor 3 and the rotor shaft 2 is prone to generate friction, abrasion is prone to occur when heat is generated, and the use feeling and the service life are affected.

In another embodiment, as shown in fig. 2 and 5, an installation groove 14 is formed in one side of the surface of the rotor shaft 2, a stop block 15 attached to the rotor shaft 2 is arranged on one side of the installation groove 14, a protection pad 16 in threaded connection with the oil storage tank 4 is fixed on one side of the stop block 15, a support frame 17 is arranged in the installation groove 14, a protection net 18 is connected to the surface of the support frame 17 in a clamping manner, the protection net 18 is used for preventing debris from entering the installation groove 14, a pull block 19 is fixedly connected to one side of the protection net 18, a blocking plate 20 fixedly connected to the installation groove 14 is arranged on one side of the support frame 17, the blocking plate 20 is attached to the support frame 17, and the blocking plate 20 is used for preventing the support frame 17 from being dislocated from the installation groove 14 when in use.

When the oil feeding equipment needs to feed oil in the mounting groove 14, the accessible rotating stop block 15 drives the protection pad 16 to move out from the mounting groove 14, then, the oil feeding equipment can be inserted into the oil storage tank 4 for feeding oil, the oil accessible protective screen 18 at the moment enters the oil storage tank 4, and the protective screen 18 through setting can prevent oil from bringing in debris impurities when feeding, the barrier plate 20 that sets up simultaneously can make the protective screen 18 when receiving the driving force, the support frame 17 can cooperate with the counterbalance of the barrier plate 20, prevent 28 from dislocating with the oil storage tank 4 when receiving the driving force, the effect of being convenient for to protect is realized, prevent the internal lubricating oil of feeding in the oil storage tank 4 from appearing, lead to lubricating oil to bring in debris when feeding, thereby the use effect is influenced.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. Rotor formula oil pump, including oil pump body (1) and rotor shaft (2) to and inner rotor (3), a side at oil pump body (1) is fixed in rotor shaft (2), inner rotor (3) are fixed and are rotated with oil pump body (1) in rotor shaft (2) and are connected its characterized in that: seted up oil storage tank (4) in rotor shaft (2), two fixed plate (5) that are the symmetry and set up of fixedly connected with in oil storage tank (4), a side fixedly connected with connecting rod (6) that fixed plate (5) are close to inner rotor (3), the one end that fixed plate (5) were kept away from in connecting rod (6) is provided with ball (7), the surface of ball (7) is seted up flutedly (8), spacing groove (9) have all been seted up to the surface both sides of recess (8), be equipped with in spacing groove (9) with connecting rod (6) fixed connection's stopper (11).

2. A rotor type oil pump according to claim 1, characterized in that: mounting groove (14) have been seted up to surface one side of rotor shaft (2), a side of mounting groove (14) is equipped with dog (15) with rotor shaft (2) laminating, a side of dog (15) is fixed with protection pad (16) with oil storage tank (4) threaded connection, be equipped with support frame (17) in mounting groove (14), the surperficial joint of support frame (17) is connected with protection network (18).

3. The rotor type oil pump according to claim 1, characterized in that: the limiting block (11) is rectangular and used for preventing the balls (7) from dislocating, a collecting tank (12) corresponding to the balls (7) is arranged in the inner rotor (3), and a plurality of uniformly distributed through holes (13) are formed in the surface of the collecting tank (12).

4. The rotor type oil pump according to claim 1, characterized in that: the ball (7) penetrates through the inner wall of the rotor shaft (2), and the surface of the ball (7) is tightly attached to the inner rotor (3).

5. A rotor type oil pump according to claim 3, characterized in that: the through holes (13) are in a three-three pair shape, and the through holes (13) are used for guiding lubricating oil into the collecting groove (12).

6. The rotor type oil pump according to claim 2, characterized in that: the protective net (18) is used for preventing chippings from entering the mounting groove (14), one side face of the protective net (18) is fixedly connected with the pull block (19), and one side face of the supporting frame (17) is provided with a blocking plate (20) fixedly connected with the mounting groove (14).

7. The rotor type oil pump according to claim 6, characterized in that: one side of barrier plate (20) is equipped with and is the laminating form with support frame (17), and barrier plate (20) are used for preventing that support frame (17) and mounting groove (14) dislocation when using.