CN212080823U

CN212080823U - Oil ejector

Info

Publication number: CN212080823U
Application number: CN202020379144.3U
Authority: CN
Inventors: 马志宽
Original assignee: Dongguan Weinafu Lubrication Technology Co ltd
Current assignee: Dongguan Weinafu Lubrication Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-04
Anticipated expiration: 2030-03-23

Abstract

The utility model belongs to the technical field of the lubricated technique of machinery and specifically relates to indicate an oil filler, which comprises an outer shell, the oil cup, slide and set up the pressure food tray in the oil cup and be used for driving the gliding actuating mechanism of length direction of pressure food tray along the oil cup, actuating mechanism is including rotating the driver, drive assembly, rotation driving medium and screw rod, the one end of screw rod is stretched out suddenly behind the shell and is connected with pressing the oil tray, it sets up in the shell to rotate the driving medium rotation, be equipped with the screw hole with screw rod threaded connection in the rotation driving medium, the axis direction of screw rod is provided with spacing tangent plane, the output of rotating the driver rotates the driving medium rotation via the drive assembly drive, it is used for the driving screw rod to. The utility model discloses an oiling precision and efficient, the pressure food tray is separated the lubricating oil in actuating mechanism and the oil cup, avoids lubricating oil to receive the pollution, has guaranteed the quality of lubricating oil, also avoids lubricating oil adhesion on the screw rod and leads to the oiling volume to reduce.

Description

Oil ejector

Technical Field

The utility model belongs to the technical field of the lubricated technique of machinery and specifically relates to indicate an oil ejector.

Background

When the machine works under pressure, such as an air/natural gas CNG compressor, a reciprocating pump, a forging press, an engine and the like, lubricating oil is forcibly injected into friction parts to reduce the abrasion of parts and ensure the normal operation of the machine, and the injected lubricating oil is used for lubricating equipment by adopting lubricating grease besides liquid lubricating oil. Most lubricating grease on the market all adorns in the oil cup at present, needs the artifical oil cup that impels to cover to refuel, and is very inconvenient, and in the screw rod of current automatic oiling ware stretched into the lubricating oil of oil cup, pollutes lubricating oil easily, lubricating oil can the adhesion on the bolt and lead to the oiling volume to reduce to cause the waste of resource. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide an oil ejector, its oiling precision and efficient, the pressure food tray is separated the lubricating oil in actuating mechanism and the oil cup, avoids lubricating oil to receive the pollution, has guaranteed the quality of lubricating oil, also avoids lubricating oil adhesion on the screw rod and leads to the oiling volume to reduce.

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

the utility model provides an oil ejector, its includes the shell, with the oil cup that shell detachably is connected, slide and set up in the pressure food tray in the oil cup and place the gliding actuating mechanism of length direction of shell along the drive pressure food tray in and, actuating mechanism is including rotating driver, drive assembly, rotation driving medium and screw rod, the one end of screw rod is connected with pressing the oil tray after stretching out the shell suddenly, it sets up in the shell to rotate the driving medium, be equipped with in the rotation driving medium with screw rod threaded connection's screw hole, the axis direction of screw rod is provided with spacing tangent plane, the output that rotates the driver rotates the driving medium via the drive assembly drive and rotates, it is used for the driving screw rod to go up and down to rotate the driving medium, the bottom of oil cup is provided with.

Furthermore, the transmission assembly is a gear set, an outer gear ring meshed with the output end of the gear set is sleeved on the outer side wall of the rotating transmission piece, and the output end of the rotating driver is in transmission connection with the input end of the gear set.

Further, the protruding spacing post of a plurality of that is equipped with of lateral wall of rotation driving medium, the concave a plurality of spacing groove that is equipped with of inner wall of outer gear circle, the spacing post of a plurality of and the cooperation of a plurality of spacing groove one-to-one.

Furthermore, a limiting plate is arranged in the shell and used for limiting the rotating transmission piece at a fixed position in the shell.

Further, the bottom of shell has been installed the end cover, the one end of screw rod stretches out outside the shell through the end cover suddenly, the top cap has been installed to the limiting plate, the rotation driving medium rotates and sets up in the end cover between the top cap.

Further, the top surface of end cover is contradicted to the one end of external gear circle, be provided with the flat bearing between the other end of external gear circle and the top cap.

Furthermore, a power supply device and a circuit board are arranged in the shell, the rotary driver is electrically connected with the circuit board, the power supply device is used for supplying power to the circuit board and the rotary driver, the circuit board is provided with a power switch and an oil injection switch, and the power switch and the oil injection switch are exposed outside the shell.

Further, the circumference of the oil pressing disc is concavely provided with a sealing groove, and a sealing ring is arranged in the sealing groove.

Furthermore, press oil pan dress to be equipped with one-way snap ring, one-way snap ring is equipped with the sawtooth of contradicting with the inner wall of oil cup.

Further, the oil outlet cover is provided with an end cover for opening or closing the oil outlet; the oil cup is provided with a graduated scale; the oil cup is characterized in that one end, far away from the oil outlet, of the oil cup is in threaded connection with the shell, a protective cover is arranged on the outer cover of the shell, a limiting ring is convexly arranged on the outer side wall of the shell, and a limiting groove used for accommodating the limiting ring is concavely arranged on the inner wall of the protective cover.

The utility model has the advantages that: in actual work, install the oil cup that will fill with lubricating oil on the shell, when needs pour out the lubricating oil in the oil cup, the rotation driver rotates the driving medium rotation via the drive assembly drive, the pivoted rotates the driving medium under the spiro union cooperation of screw hole and the external screw thread of screw rod, make the screw rod move down, because the surface of screw rod is provided with spacing tangent plane, so the screw rod can not follow and rotate the driving medium rotation, can only move down, the screw rod that moves down drives presses the oil pan downstream, the interior lubricating oil of oil cup is extruded to the oil pan that presses of downstream, make the interior lubricating oil of oil cup pour out via the oil-out. The utility model has the advantages of simple and compact structure, oiling precision and efficient, place in the shell in the actuating mechanism, the pressure food tray separates the lubricating oil in actuating mechanism and the oil cup, has avoided polluting lubricating oil in the lubricating oil that has avoided owing to actuating mechanism's screw rod stretches into the oil cup suddenly, has guaranteed the quality of lubricating oil, has also avoided because the lubricating oil adhesion leads to the lubricated oil mass of notes out at the surface of screw rod to reduce, prevents the waste of lubricating oil, has improved the utilization ratio of lubricating oil.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the oil cup, the casing, the protective cover and the power supply device of the present invention.

Fig. 4 is a schematic view of the exploded structure of the oil pressing disc, the screw, the rotating transmission member and the external gear ring of the present invention.

Description of reference numerals:

1. a housing; 11. a protective cover; 12. a limiting ring; 2. an oil cup; 21. an oil outlet; 3. an oil pressing disc; 31. a sealing groove; 32. a seal ring; 4. a drive mechanism; 41. a rotation driver; 42. a transmission assembly; 43. rotating the transmission member; 44. a screw; 45. a threaded hole; 46. limiting tangent planes; 47. an outer gear ring; 48. a limiting column; 49. a limiting groove; 5. a limiting plate; 51. a bottom cover; 52. a top cover; 6. a flat bearing; 61. an end cap; 7. a power supply device; 8. a circuit board; 81. a power switch; 82. an oil filling switch; 9. a one-way snap ring; 91. and (4) saw teeth.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 4, the present invention provides an oil injector, which includes a housing 1, an oil cup 2 detachably connected to the housing 1, an oil pressing disc 3 slidably disposed in the oil cup 2, and a driving mechanism 4 disposed in the housing 1 and used for driving the oil pressing disc 3 to slide along the length direction of the oil cup 2, wherein the driving mechanism 4 includes a rotary driver 41, a transmission assembly 42, a rotary transmission member 43 and a screw rod 44, one end of the screw rod 44 protrudes out of the housing 1 and is connected to the oil pressing disc 3, the rotary transmission member 43 is rotatably disposed in the housing 1, a threaded hole 45 threadedly connected to the screw rod 44 is disposed in the rotary transmission member 43, the screw rod 44 penetrates through the threaded hole 45, a limiting section 46 is disposed in the axial direction of the screw rod 44, the output end of the rotary driver 41 drives the rotary transmission member 43 to rotate via the transmission assembly 42, the rotary transmission member 43 is used for driving the screw rod, an oil outlet 21 is formed in the bottom end of the oil cup 2; preferably, the rotational drive 41 is a motor. The present embodiment will be described with reference to lubricating oil as an example.

In actual operation, the oil cup 2 filled with lubricating oil is installed on the housing 1, when the lubricating oil in the oil cup 2 needs to be poured out, the rotary driver 41 drives the rotary transmission member 43 to rotate through the transmission component 42, the rotary transmission member 43 drives the screw rod 44 to move downwards under the threaded matching of the threaded hole 45 and the external thread of the screw rod 44, and as the position of the rotary transmission member 43 is fixed and the outer surface of the screw rod 44 is provided with the limiting tangent plane 46, the screw rod 44 cannot rotate along with the rotary transmission member 43 and can only move downwards, the screw rod 44 moving downwards drives the oil pressing disc 3 to move downwards, the oil pressing disc 3 moving downwards extrudes the lubricating oil in the oil cup 2, and the lubricating oil in the oil cup 2 is poured out through the oil outlet 21. The utility model has the advantages of simple and compact structure, oiling precision and efficient, place shell 1 in actuating mechanism 4 in, the lubricating oil of pressure food tray 3 in with actuating mechanism 4 and oil cup 2 is separated, avoided because the screw rod 44 of actuating mechanism 4 stretches into in the lubricating oil of oil cup 2 and pollute lubricating oil, the quality of lubricating oil has been guaranteed, also avoided because the lubricating oil adhesion leads to the lubricated oil mass of notes out at the surface of screw rod 44 to reduce, prevent the waste of lubricating oil, the utilization ratio of lubricating oil has been improved.

The utility model discloses can inject glue, coating, paste or fluidic food etc..

In this embodiment, the transmission assembly 42 is a gear set, an outer gear ring 47 engaged with an output end of the gear set is sleeved on an outer side wall of the rotating transmission member 43, and an output end of the rotating driver 41 is in transmission connection with an input end of the gear set.

During actual operation, the gear set is driven by the rotating driver 41 to be in meshing transmission, and the meshing transmission gear set is meshed with the outer gear ring 47, so that the outer gear ring 47 is provided with the rotating transmission piece 43 to rotate, the rotating transmission piece 43 is provided with the screw 44 to move downwards, and the transmission is stable through the gear set transmission, the transmission efficiency is high, the transmission ratio is accurate, the work is reliable, and the service life is long.

In this embodiment, the outer side wall of the rotating transmission member 43 is convexly provided with a plurality of limiting columns 48, the inner wall of the outer gear ring 47 is concavely provided with a plurality of limiting grooves 49, and the plurality of limiting columns 48 are matched with the plurality of limiting grooves 49 in a one-to-one correspondence manner. Spacing post 48 holds and locates spacing groove 49, and spacing post 48 is contradicted to the inner wall of spacing groove 49 to spacing post 48 carries on spacingly, avoids rotating driving medium 43 and outer gear ring 47 relative rotation, ensures to rotate driving medium 43 and outer gear ring 47 synchronous rotation, and then guarantees the stability of oiling.

In this embodiment, the limiting plate 5 is installed in the housing 1, and the limiting plate 5 is used for limiting the rotation transmission member 43 at a fixed position in the housing 1, so that the rotation transmission member 43 can only rotate in the housing 1, and cannot move up and down, and it is ensured that the rotation transmission member 43 can drive the screw rod 44 to move down.

In this embodiment, the bottom of the housing 1 is provided with a bottom sleeve 51, one end of the screw 44 protrudes out of the housing 1 through the bottom sleeve 51, the limiting plate 5 is provided with a top cover 52, and the rotating transmission member 43 is rotatably disposed between the bottom sleeve 51 and the top cover 52; one end of the outer gear ring 47 abuts against the top surface of the bottom sleeve 51, and a plane bearing 6 is arranged between the other end of the outer gear ring 47 and the top cover 52; preferably, a flat bearing 6 is also provided between one end of the outer gear ring 47 and the bottom cover 51. The rotating transmission piece 43, the outer gear ring 47 and the planar bearing 6 are limited at fixed positions through the bottom sleeve 51 and the top cover 52, the stability of the rotating transmission piece 43, the outer gear ring 47 and the planar bearing 6 is guaranteed, the planar bearing 6 enables the rotating transmission piece 43 and the outer gear ring 47 to rotate stably, pressure or friction borne by the rotating transmission piece 43 when the screw 44 moves downwards can be relieved, and the rotating transmission piece 43 is favorable for rotating.

In this embodiment, the housing 1 is provided with a power supply device 7 and a circuit board 8, the rotation driver 41 is electrically connected to the circuit board 8, the power supply device 7 is configured to supply power to the circuit board 8 and the rotation driver 41, the circuit board 8 is provided with a power switch 81 and an oil injection switch 82, and both the power switch 81 and the oil injection switch 82 are exposed outside the housing 1. In actual operation, the power switch 81 is turned on, the power supply device 7 supplies power to the circuit board 8 and the rotating actuator 41, the oil filling switch 82 is turned on, and the circuit board 8 sends a command to the rotating actuator 41, so that the rotating actuator 41 is started and drives the rotating transmission member 43 to rotate.

In this embodiment, a sealing groove 31 is concavely formed in the circumferential direction of the oil pressing disc 3, a sealing ring 32 is disposed in the sealing groove 31, and the outer side wall of the sealing ring 32 abuts against the inner wall of the oil cup 2; the sealing ring 32 is arranged in the sealing groove 31, so that the sealing ring 32 is convenient to mount on one hand, the stability of the sealing ring 32 is ensured on the other hand, the sealing ring 32 is prevented from being separated from the oil pressing disc 3, and the deformation or displacement failure of the sealing ring 32 is also avoided. The sealing ring 32 is used for sealing a gap between the oil pressing disc 3 and the inner wall of the oil cup 2, so that lubricating oil in the oil cup 2 is prevented from permeating to the upper part of the oil pressing disc 3 under the action of pressure, and the oil injection amount of the lubricating oil is ensured.

In this embodiment, the oil pressing disc 3 is provided with a one-way snap ring 9, and the one-way snap ring 9 is provided with saw teeth 91 abutting against the inner wall of the oil cup 2. The one-way snap ring 9 that has sawtooth 91 is provided, can prevent that pressure dish 3 stop work from losing power after, upward movement under the effect of pressure, and the 2 inner walls of the oil cup that have injected lubricating oil can be scratched by sawtooth 91 of one-way snap ring 9, prevent the secondary and get into market, reach anti-fake effect.

In this embodiment, the oil outlet 21 is covered with an end cover 61 for opening or closing the oil outlet 21, the end cover 61 closes the oil outlet 21 to store the lubricating oil in the oil cup 2 in a sealed manner, and after the oil outlet 21 is opened by the end cover 61, the lubricating oil is injected from the oil outlet 21 in the process of moving the oil pressing plate 3 downwards; the oil cup 2 is provided with a graduated scale, so that the oil injection amount or the residual amount of lubricating oil in the oil cup 2 can be observed in real time; one end of the oil cup 2, which is far away from the oil outlet 21, is in threaded connection with the shell 1, so that the connection is stable, the oil cup 2 and the shell 1 can be conveniently disassembled, assembled or replaced, and the operation is convenient; the protective cover 11 is arranged on the outer cover of the shell 1, the protective cover 11 protects the shell 1 and covers the power switch 81 and the oil injection switch 82, misoperation caused by mistaken touch on the power switch 81 and the oil injection switch 82 is avoided, and safety is improved; the outer side wall of the shell 1 is convexly provided with a limiting ring 12, and the inner wall of the protective cover 11 is concavely provided with a limiting groove 49 for accommodating the limiting ring 12; after the protective cover 11 is covered outside the shell 1, the limiting ring 12 is accommodated in the limiting groove 49, and the inner wall of the limiting groove 49 abuts against the limiting ring 12 to limit the limiting ring 12, so that the protective cover 11 is stably covered with the shell 1, and the protective cover 11 is not easy to separate from the shell 1.

Specifically, the number of the limiting tangent planes 46 is two, and the two limiting tangent planes 46 are symmetrically arranged on two sides of the screw 44; alternatively, the cross-section of the screw 44 is D-shaped. The screw 44 with the two structures ensures that the screw 44 can only move downwards and cannot rotate.

Specifically, the power supply device 7 can adopt a rechargeable battery, can be repeatedly used, has a long service life, and is energy-saving and environment-friendly.

Specifically, the limiting plate 5 is provided with a sensor, the sensor is electrically connected with the rotary driver 41 and the circuit board 8, the power supply device 7 supplies power to the sensor, when the sensor senses the sensing position of the top end of the screw rod 44, it is proved that the screw rod 44 moves downwards to the lowest point, oil injection is completed, and the sensor sends a command to the rotary driver 41, so that the rotary driver 41 stops working.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. An oil lubricator characterized by: including the shell, with the oil cup that shell detachably is connected, slide and set up in the pressure food tray in the oil cup and place the gliding actuating mechanism of length direction along the oil cup in and be used for driving the pressure food tray in the shell in, actuating mechanism is including rotating driver, drive assembly, rotation driving medium and screw rod, the one end of screw rod stretches out behind the shell suddenly and is connected with pressing the oil tray, it sets up in the shell to rotate the driving medium, be equipped with the screw hole with screw rod threaded connection in the rotation driving medium, the axis direction of screw rod is provided with spacing tangent plane, the output that rotates the driver rotates the driving medium via the drive assembly drive and rotates, it is used for the driving screw rod to go up and down to rotate the driving medium, the bottom of.

2. The oil lubricator of claim 1, wherein: the transmission assembly is a gear set, an outer gear ring meshed with the output end of the gear set is sleeved on the outer side wall of the rotating transmission piece, and the output end of the rotating driver is in transmission connection with the input end of the gear set.

3. The oil lubricator of claim 2, wherein: the outer wall of the rotating transmission part is convexly provided with a plurality of limiting columns, the inner wall of the outer gear ring is concavely provided with a plurality of limiting grooves, and the plurality of limiting columns are matched with the plurality of limiting grooves in a one-to-one correspondence mode.

4. The oil lubricator of claim 2, wherein: and a limiting plate is arranged in the shell and used for limiting the rotating transmission piece at a fixed position in the shell.

5. The oil lubricator of claim 4, wherein: the bottom of the shell is provided with a bottom sleeve, one end of the screw rod extends out of the shell through the bottom sleeve, the limiting plate is provided with a top cover, and the rotating transmission piece is rotatably arranged between the bottom sleeve and the top cover.

6. The oil lubricator of claim 5, wherein: one end of the outer gear ring is abutted against the top surface of the bottom sleeve, and a plane bearing is arranged between the other end of the outer gear ring and the top cover.

7. The oil lubricator of claim 1, wherein: the shell is internally provided with a power supply device and a circuit board, the rotary driver is electrically connected with the circuit board, the power supply device is used for supplying power to the circuit board and the rotary driver, the circuit board is provided with a power switch and an oil injection switch, and the power switch and the oil injection switch are exposed outside the shell.

8. The oil lubricator of claim 1, wherein: the circumference of pressure food tray is equipped with the seal groove concavely, seal groove content is equipped with the sealing washer.

9. The oil lubricator of claim 1, wherein: the oil pressing disc is provided with a one-way snap ring, and the one-way snap ring is provided with sawteeth which are abutted against the inner wall of the oil cup.

10. The oil lubricator of claim 1, wherein: the oil outlet cover is provided with an end cover for opening or closing the oil outlet; the oil cup is provided with a graduated scale; the oil cup is characterized in that one end, far away from the oil outlet, of the oil cup is in threaded connection with the shell, a protective cover is arranged on the outer cover of the shell, a limiting ring is convexly arranged on the outer side wall of the shell, and a limiting groove used for accommodating the limiting ring is concavely arranged on the inner wall of the protective cover.