CN218102852U

CN218102852U - Low-abrasion motor with rotating shaft oil liquid sealing structure

Info

Publication number: CN218102852U
Application number: CN202221567835.1U
Authority: CN
Inventors: 吴就利
Original assignee: Shanghai Zhiwo Huineng Equipment Technology Co ltd
Current assignee: Shanghai Zhiwo Huineng Equipment Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-20
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a be provided with pivot fluid seal structure's low wearing and tearing motor, including motor cabinet, main motor, axis of rotation, protecting crust and oil tank, the last fixed surface of motor cabinet installs main motor, the upper end of oil tank is run through by the one end of inhaling oil pipe, and the surface that the protecting crust was run through to the upper end of inhaling oil pipe is linked together with the fluid room, the seal groove has been seted up with the inboard surface of pivot axle laminating mutually to the protecting crust, the seal groove is linked together through check valve and fluid room, inhale the one end that oil pipe and fluid room are connected and install the check valve. This be provided with low wearing and tearing motor of pivot fluid seal structure, through the mode of injecting lubricating oil in the seal groove for form the fluid seal who also constitutes by lubricating oil between axis of rotation and the protecting crust, and then make the dust can discharge along with lubricating oil's discharge gradually after getting into seal groove department, can not remove to the inside of main motor.

Description

Low-abrasion motor with rotating shaft oil liquid sealing structure

Technical Field

The utility model relates to the technical field of electric machines, specifically be a be provided with pivot fluid seal structure's low wearing and tearing motor.

Background

Along with the development of motor technology, more and more occasions can use the motor as the power output source, and the motor that uses in the more occasion of some dusts often need do sealed processing in the junction of axis of rotation and motor in order to prevent that the dust from getting into inside the motor, but current motor has some problems in the in-service use process, even for example current motor protects the output of motor through sealed means, seal structure also can be along with the rotation of motor axis of rotation and wearing and tearing gradually, thereby make sealed effect decline, be unfavorable for the long-time use of motor, in case forget to change and maintain seal structure, will cause the axis of rotation of motor serious wearing and tearing, reduce the life of motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be provided with pivot fluid seal structure's low wearing and tearing motor to solve the not good problem of the sealed mode that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be provided with low wearing and tearing motor of pivot fluid seal structure, includes motor cabinet, main motor, axis of rotation, protecting crust and oil tank, the last fixed surface of motor cabinet installs main motor, the one end of main motor is provided with the axis of rotation, one side external fixation that main motor was provided with the axis of rotation has the protecting crust, the axis of rotation is located the outside one end external fixation of protecting crust and is provided with stirring tooth, the protecting crust side surface of stirring tooth one side is connected with pivoted drive gear, drive gear is located the inside fixed reduction gear that is provided with of one end of protecting crust, the surface of protecting crust is connected with the pivoted swivel, the inboard surface of swivel is evenly fixed with passes merit tooth, and the inboard surface of swivel is provided with 1 magnetism tooth, the pressure chamber has been seted up to the inside of protecting crust, the internal connection of pressure chamber has the pressure plate, the upper end fixed mounting of pressure relief valve has the magnetic sheet, the oil chamber has been seted up towards the inside of protecting crust on one side of main motor direction, and the inside of fluid chamber is provided with the piston plate, the upper surface of oil tank is fixed with the oil tank, and the one-way oil suction pipe is linked together through the one-way sealing groove and oil suction pipe is connected with the protecting crust, the one-way oil suction pipe.

Preferably, the poking teeth are meshed with the transmission gear, and the transmission gear is in close-fitting rotary connection with the protective shell.

By adopting the technical scheme, the toggle gear can drive the transmission gear to rotate discontinuously through meshing with the transmission gear.

Preferably, the outer surface of the reduction gear is only provided with 1 tooth block, and the reduction gear is meshed with the rotating ring through the power transmission teeth and the magnetic teeth.

By adopting the technical scheme, the reduction gear can drive the rotating ring to discontinuously rotate to achieve the effect of transmission and speed reduction between the rotating shaft and the rotating ring.

Preferably, the rotating ring is rotatably connected with the protective shell in a tight fit manner, and the rotating ring and the rotating shaft are arranged concentrically.

By adopting the technical scheme, the rotary ring can rotate relative to the rotating shaft to change the position of the magnetic tooth.

Preferably, the pressure plate and the pressure chamber are in sliding friction connection, a spring is connected between the pressure plate and the pressure chamber, and the magnetic poles of the magnetic plate and one end, opposite to the magnetic teeth, of the magnetic plate are the same.

By adopting the technical scheme, the magnetic teeth can drive the pressure plate to slide down to compress the air in the pressure chamber through the repulsive force when rotating to the magnetic plate.

Preferably, the piston plate is connected with the oil chamber in a sliding friction mode, one end of the piston plate penetrates through the side surface of the pressure chamber, and the surface of the oil chamber on one side, facing the pressure plate, of the piston plate is provided with a pressure relief hole communicated with the outside.

Adopt above-mentioned technical scheme for when the inside air of pressure chamber was compressed, the piston plate can be pushed by pressure and extrude the inside fluid pressure of fluid chamber.

Preferably, the sealing groove is designed to be cylindrical, and the sealing groove and the rotating shaft are concentrically arranged.

By adopting the technical scheme, the sealing groove can press out the lubricating oil with dust through the newly injected lubricating oil.

Compared with the prior art, the beneficial effects of the utility model are that: this be provided with low wearing and tearing motor of pivot fluid seal structure:

1. by injecting lubricating oil into the sealing groove, a liquid seal formed by lubricating oil is formed between the rotating shaft and the protective shell, so that dust can be discharged along with the gradual discharge of the lubricating oil after entering the sealing groove and cannot move towards the interior of the main motor;

2. the rotating ring can drive the magnetic tooth to rotate right above the magnetic plate in a mode that the shifting tooth rotating along with the rotating shaft drives the transmission gear to rotate periodically, so that the piston plate can press oil in the oil chamber into the sealing groove, and the sealing groove utilizes the oil to bring dust out of the protective shell, thereby reducing the abrasion of the rotating shaft, which is influenced by the dust;

3. the lubricating oil in the oil tank is extracted and injected into the oil chamber through the oil suction pipe and the one-way valve in the sliding process of the oil chamber, so that the effect of maintaining oil sealing in the oil sealing groove is ensured to be provided with sufficient oil in the oil chamber.

Drawings

FIG. 1 is a schematic overall front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the overall front view structure of the present invention;

fig. 4 is a schematic side sectional view of the present invention.

In the figure: 1. a motor base; 2. a main motor; 3. a rotating shaft; 4. a protective shell; 5. a dial tooth; 6. a transmission gear; 7. a reduction gear; 8. rotating the ring; 9. transmission teeth; 10. magnetic teeth; 11. a pressure chamber; 12. a pressure plate; 13. a magnetic plate; 14. an oil chamber; 15. a piston plate; 16. an oil tank; 17. an oil suction pipe; 18. a sealing groove; 19. a one-way valve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a low-abrasion motor with a rotating shaft oil sealing structure comprises a motor base 1, a main motor 2, a rotating shaft 3, a protective shell 4, poking teeth 5, a transmission gear 6, a reduction gear 7, a rotating ring 8, transmission teeth 9, magnetic teeth 10, a pressure chamber 11, a pressure plate 12, a magnetic plate 13, an oil chamber 14, a piston plate 15, an oil tank 16, an oil suction pipe 17, a sealing groove 18 and a one-way valve 19, wherein the main motor 2 is fixedly arranged on the upper surface of the motor base 1, the rotating shaft 3 is arranged at one end of the main motor 2, the protective shell 4 is fixed on the outer surface of one side of the main motor 2, the poking teeth 5 are fixedly arranged on the outer surface of one end of the rotating shaft 3, the poking teeth 5 is connected with the rotating transmission gear 6 on the side of the protective shell 4, the reduction gear 7 is fixedly arranged at one end of the transmission gear 6, which is positioned inside the protective shell 4, the outer surface of the protective shell 4 is connected with a rotating rotary ring 8, the inner side surface of the rotary ring 8 is uniformly fixed with work transmission teeth 9, the inner side surface of the rotary ring 8 is provided with 1 magnetic tooth 10, the stirring teeth 5 are meshed with the transmission gear 6, the transmission gear 6 is rotatably connected with the protective shell 4 in a tight fit manner, the outer surface of the reduction gear 7 is only provided with 1 tooth block, the reduction gear 7 is meshed with the rotary ring 8 through the work transmission teeth 9 and the magnetic teeth 10, the rotary ring 8 is rotatably connected with the protective shell 4 in a tight fit manner, the rotary ring 8 and the rotary shaft 3 are concentrically arranged, the transmission gear 6 is periodically stirred by the stirring teeth 5, so that the transmission gear 6 can periodically rotate through the stirring rotary ring 8 of the reduction gear 7, the rotary ring 8 can regularly rotate at a slower speed relative to the rotary shaft 3, and slow extrusion of oil liquid in the oil liquid chamber 14 is realized, so that the oil sealing structure can work continuously to ensure the sealing effect on dust,

as shown in fig. 1-4, a pressure chamber 11 is formed inside the protective casing 4, a pressure plate 12 is connected inside the pressure chamber 11, a magnetic plate 13 is fixedly mounted at the upper end of the pressure plate 12, an oil chamber 14 is formed inside the protective casing 4 on one side of the pressure chamber 11 facing the direction of the main motor 2, a piston plate 15 is arranged inside the oil chamber 14, an oil tank 16 is fixed on the upper surface of the motor base 1, a pressure relief valve for balancing air pressure is arranged at the upper end of a cover of the oil tank 16, the upper end of the oil tank 16 is penetrated by one end of an oil suction pipe 17, the upper end of the oil suction pipe 17 penetrates through the outer surface of the protective casing 4 and is communicated with the oil chamber 14, a sealing groove 18 is formed on the inner side surface of the protective casing 4, which is attached to the rotating shaft 3, the sealing groove 18 is communicated with the oil chamber 14 through a check valve 19, a check valve 19 is mounted at one end of the oil suction pipe 17, which is connected with the oil chamber 14, and the pressure plate 12 is in sliding friction connection with the pressure chamber 11, a spring is connected between the pressure plate 12 and the pressure chamber 11, the magnetic plate 13 has the same magnetic pole with the opposite end of the magnetic tooth 10, the piston plate 15 is connected with the oil chamber 14 in a sliding friction manner, one end of the piston plate 15 penetrates through the side surface of the pressure chamber 11, a pressure relief hole communicated with the outside is formed in the side surface of the oil chamber 14 on the side of the piston plate 15 facing the pressure plate 12, the sealing groove 18 is in a columnar design, the sealing groove 18 and the rotating shaft 3 are arranged concentrically, the magnetic plate 13 can drive the pressure plate 12 to compress air in the pressure chamber 11 and push the piston plate 15 to slide by utilizing the repulsion action of homopolarity between the magnetic tooth 10 and the magnetic plate 13, so that the piston plate 15 can press oil into the sealing groove 18 through a one-way valve 19 between the piston plate 15 and the sealing groove 18, the pressure in the sealing groove 18 is increased to press out redundant oil, and one end of the rotating shaft 3 facing the outside presses out oil with dust, and one end of the rotating shaft 3 facing the main motor 2 presses oil into the main motor 2 to lubricate rotating parts in the main motor 2, and after the magnetic teeth 10 rotate away from the magnetic plate 13, the magnetic plate 13 slides upwards under the support of the pressure plate 12 and the spring, so that the piston plate 15 slides reversely under the influence of pressure and sucks lubricating oil in the oil tank 16 through the one-way valve 19 between the oil suction pipe 17 and the oil chamber 14, and the oil chamber 14 is always filled with the lubricating oil.

The working principle is as follows: when the low-wear motor with the rotating shaft oil sealing structure is used, firstly, in the running process of a main motor 2 on a motor base 1, dust enters one end of a sealing groove 18 through a gap between a rotating shaft 3 and a protective shell 4 and is blocked and adsorbed by viscous lubricating oil, at the moment, along with the rotation of a poking tooth 5, a transmission gear 6 drives a rotating ring 8 to rotate discontinuously through the meshing of a reduction gear 7, power transmission teeth 9 and magnetic teeth 10 until the magnetic teeth 10 rotate to a magnetic plate 13, the magnetic plate 13 slides downwards through mutual repulsion with the magnetic teeth 10 and drives a pressure plate 12 to compress gas inside a pressure chamber 11, the internal pressure of the pressure chamber 11 is increased, so that a piston plate 15 slides to press the oil inside an oil chamber 14 to the sealing groove 18 through a one-way valve 19, the sealing groove 18 presses the oil towards one end outside the sealing groove 18 out and simultaneously takes the dust out, after the magnetic teeth 10 rotate away from the magnetic plate 13, the magnetic plate 13 slides upwards under the support of a spring 12, the piston plate 15 slides reversely and sucks the lubricating oil in an oil tank 16 through an oil suction pipe 17, so as to ensure that the lubricating oil is fully filled in the pressure chamber 14, and the whole of the pressure plate is increased.

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

Claims

1. The utility model provides a be provided with low wearing and tearing motor of pivot fluid seal structure, includes motor cabinet (1), main motor (2), axis of rotation (3), protecting crust (4) and oil tank (16), its characterized in that: the upper surface of the motor base (1) is fixedly provided with a main motor (2), one end of the main motor (2) is provided with a rotating shaft (3), the outer surface of one side, provided with the rotating shaft (3), of the main motor (2) is fixedly provided with a protective shell (4), the outer surface of one end, located outside the protective shell (4), of the rotating shaft (3) is fixedly provided with stirring teeth (5), the side surface of the protective shell (4) on one side of the stirring teeth (5) is connected with a rotating transmission gear (6), one end, located inside the protective shell (4), of the transmission gear (6) is fixedly provided with a reduction gear (7), the outer surface of the protective shell (4) is connected with a rotating ring (8), the inner side surface of the rotating ring (8) is uniformly fixed with transmission teeth (9), the inner side surface of the rotating ring (8) is provided with 1 magnetic tooth (10), a pressure chamber (11) is formed inside the protective shell (4), the pressure chamber (11) is formed inside the pressure chamber (11), the pressure chamber (11) is connected with an oil chamber (12), the upper end of the pressure plate (12) is fixedly provided with a magnetic plate (13), one side, the pressure chamber (11) faces one side of the main motor (2) and a piston plate (14) is formed inside the protective shell (14) and an oil chamber (14) is formed inside the protective oil chamber (14), the upper surface of motor cabinet (1) is fixed with oil tank (16), and the case lid upper end of oil tank (16) is provided with the relief valve of balanced atmospheric pressure, the upper end of oil tank (16) is run through by the one end of inhaling oil pipe (17), and the surface that the upper end of inhaling oil pipe (17) runs through protecting crust (4) is linked together with fluid room (14), sealing groove (18) have been seted up with the inboard surface that axis of rotation (3) laminated mutually in protecting crust (4), sealing groove (18) are linked together through check valve (19) and fluid room (14), check valve (19) are installed to the one end that inhales oil pipe (17) and fluid room (14) and are connected.

2. The low-wear motor provided with the rotating shaft oil sealing structure according to claim 1, characterized in that: the poking teeth (5) are meshed with the transmission gear (6), and the transmission gear (6) is rotatably connected with the protective shell (4) in a tight fit manner.

3. The low-wear motor provided with the rotating shaft oil sealing structure according to claim 1, wherein: the outer surface of the reduction gear (7) is only provided with 1 tooth block, and the reduction gear (7) is meshed and connected with the rotating ring (8) through power transmission teeth (9) and magnetic teeth (10).

4. The low-wear motor provided with the rotating shaft oil sealing structure according to claim 1, wherein: the rotating ring (8) is rotatably connected with the protective shell (4) in a tight fit mode, and the rotating ring (8) and the rotating shaft (3) are arranged concentrically.

5. The low-wear motor provided with the rotating shaft oil sealing structure according to claim 1, wherein: the pressure plate (12) is connected with the pressure chamber (11) in a sliding friction mode, a spring is connected between the pressure plate (12) and the pressure chamber (11), and the magnetic plate (13) is the same as one end of the magnetic tooth (10) in opposite directions in magnetic poles.

6. The low-wear motor provided with the rotating shaft oil sealing structure according to claim 1, wherein: piston plate (15) are connected for sliding friction with fluid chamber (14), and the side surface of pressure chamber (11) is run through to the one end of piston plate (15), the pressure release hole with external intercommunication is seted up towards fluid chamber (14) side surface of pressure plate (12) one side in piston plate (15).

7. The low-wear motor provided with the rotating shaft oil sealing structure according to claim 1, wherein: the sealing groove (18) is designed in a columnar shape, and the sealing groove (18) and the rotating shaft (3) are arranged concentrically.