CN212177646U

CN212177646U - Oil lubrication shaft sleeve

Info

Publication number: CN212177646U
Application number: CN202020859674.8U
Authority: CN
Inventors: 李淳
Original assignee: Nanjing Qunwei Precision Machinery Manufacturing Co ltd
Current assignee: Nanjing Qunwei Precision Machinery Manufacturing Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-18
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to an oil lubrication shaft sleeve, use in the field of shaft sleeve, aim at solving the problem that causes the lubricating oil extravagant because of the business turn over of uncontrollable lubricating oil, this shaft sleeve includes the shaft sleeve body, oil filler point and oil storage tank set up in the lateral wall of shaft sleeve body, the oil storage tank communicates with oil filler point, be equipped with the passageway that communicates oil storage tank and outside air in the lateral wall of shaft sleeve body, the oil storage tank slides and is connected with the oil plug, the oil storage tank is close to the one end intercommunication of shaft sleeve body inside wall and has the oil-out, when the oil plug slides to and closes with the oil-out, the oil storage tank pauses to; when the oil plug slides reversely, a gap is generated between the side wall of the oil plug and the wall of the oil storage groove, so that lubricating oil flows to the hinge shaft from the gap to lubricate the hinge shaft; the workman realizes opening and shutting of oil-out through the flexible of control oil stopper to control the use of lubricating oil, reduce the extravagant possibility of lubricating oil, save lubricating oil.

Description

Oil lubrication shaft sleeve

Technical Field

The utility model belongs to the technical field of the technique of axle sleeve body and specifically relates to an oil lubrication axle sleeve is related to.

Background

The axle sleeve body uses with the articulated shaft cooperation usually, and when the articulated shaft was when the internal rotation of axle sleeve, there was certain frictional force between articulated shaft and the axle sleeve body, need use lubricating oil to lubricate the part of articulated shaft and the contact of axle sleeve body.

The prior Chinese utility model with the granted publication number of CN206268268U discloses an oil lubricated shaft sleeve device, which comprises an articulated piece, an articulated seat, an articulated shaft and a shaft sleeve, wherein the articulated piece is articulated in the articulated seat by the articulated shaft through a limiting piece; the inner circumferential surface of the shaft sleeve is provided with an annular lubricating cavity which is communicated with an annular oil storage tank through a communicating hole arranged on the shaft sleeve, and two ends of the shaft sleeve and the articulated shaft as well as two ends of the shaft sleeve and the articulated piece are respectively provided with a sealing ring; the device injects lubricating oil into the oil filling hole, so that the lubricating oil flows into the annular lubricating cavity after sequentially passing through the oil storage tank and the communication hole, and lubrication of the articulated shaft is realized.

However, the above prior art solutions have the following drawbacks: because the annular lubricating cavity in the shaft sleeve body device is always communicated with the side wall of the hinged shaft, when the hinged shaft rotates, the lubricating oil in the annular lubricating cavity is always in an overflowing state, and when the hinged shaft does not need to be lubricated, the waste of the lubricating oil is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an oil lubrication axle sleeve, the advantage is the use of steerable lubricating oil, realizes the saving to lubricating oil, has solved the problem that causes lubricating oil waste because of the business turn over of uncontrollable lubricating oil.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an oil lubrication shaft sleeve, includes the axle sleeve body, by outer to interior oil filler point and the oil storage tank of setting in axle sleeve body lateral wall in order, oil storage tank and oil filler point intercommunication, it is connected with the oil plug to slide along its length direction in the oil storage tank, the one end intercommunication that the oil storage tank is close to axle sleeve body inside wall has the oil-out, works as the oil plug slides when moving to the one end that the oil storage tank is close to axle sleeve body inside wall, oil plug and oil-out are closed, works as when the oil plug reverse slides, produce the space between the lateral wall of oil plug and the cell wall of oil storage tank, be equipped with the passageway of intercommunication oil storage tank and outside air in the lateral wall of axle sleeve body.

By adopting the technical scheme, the lubricating oil can be conveniently injected into the oil storage tank by workers through the oil injection hole; the pressure difference inside and outside the oil storage tank is balanced by utilizing the channel, so that the lubricating oil can conveniently enter and exit; when workers do not need to lubricate the contact surface of the hinge shaft and the shaft sleeve body, the oil plug slides to be closed with the oil outlet, and the oil storage groove suspends to supply oil to the hinge shaft; when the workman need lubricate the contact surface of articulated shaft and axle sleeve body, make the reverse clearance that produces between the lateral wall of sliding to the oil plug and the cell wall of oil storage tank of oil plug, make lubricating oil flow to the articulated shaft from the space to realize the lubrication to the articulated shaft to the use of control lubricating oil, and then reduce the waste of lubricating oil.

The utility model discloses further set up to: the outer side wall of the shaft sleeve body is provided with a through hole communicated with the oil storage tank, a pull rod is connected in the through hole in a sliding mode, one end, extending into the oil storage tank, of the pull rod is connected with the top wall of the oil plug, and an adjusting piece enabling the oil plug to slide in a reciprocating mode along the length direction of the oil storage tank is arranged on the outer side wall of the shaft sleeve body.

By adopting the technical scheme, when workers need to lubricate the hinge shaft, the adjusting piece is utilized to drive the pull rod to slide towards the outer side of the shaft sleeve body along the length direction of the oil storage groove, so that a gap is generated between the side wall of the oil plug and the groove wall of the oil storage groove, and lubricating oil can flow to the hinge shaft from the gap; when workers do not need to lubricate the hinged shaft, the adjusting piece is used for driving the pull rod to slide towards the inner side of the shaft sleeve body along the length direction of the oil storage tank, so that the oil plug and the oil outlet are closed; through the cooperation of regulating part and pull rod, the business turn over of convenient control lubricating oil to reduce the waste of lubricating oil.

The utility model discloses further set up to: the adjusting part comprises a sliding strip connected to the outer side wall of the shaft sleeve body in a sliding mode, a groove is formed in the sliding strip, and a sliding block matched with the groove is arranged on the bottom wall of the pull rod.

By adopting the technical scheme, when a worker slides the sliding strip to enable the sliding block to be received in the groove, the pull rod drives the oil plug to slide towards the inside of the shaft sleeve body and close to the oil outlet, and the oil storage groove suspends to supply oil to the articulated shaft; when a worker slides the sliding strip reversely to enable the sliding block to be connected to the top wall of the sliding strip, the pull rod pulls the oil plug to slide towards the outside of the shaft sleeve body, so that a gap is formed between the side wall of the oil plug and the side wall of the oil storage groove, and lubricating oil flows to the hinge shaft from the gap; the telescopic pull rod is realized through the matching of the sliding strip and the sliding block, so that the telescopic oil plug is realized, and the lubricating oil is controlled to enter and exit by the oil plug.

The utility model discloses further set up to: the groove surface of the groove is an arc surface, and one surface of the sliding block facing the groove is an arc surface.

Through adopting above-mentioned technical scheme, set up cambered surface and curved cambered surface, be favorable to promoting the smooth and easy nature when the slider slides.

The utility model discloses further set up to: the side wall of the sliding strip is provided with a pushing plate, the outer side wall of the shaft sleeve body is provided with a miniature cylinder which slides in a reciprocating mode, and a piston rod of the miniature cylinder is connected with the side wall of the sliding strip.

Through adopting above-mentioned technical scheme, utilize miniature cylinder to drive the slip strip and slide to need not workman manual pulling slip strip, labour saving and time saving.

The utility model discloses further set up to: the oil plug is characterized in that a spring is sleeved on the peripheral wall of the pull rod, two ends of the spring are respectively connected to the side wall of the pull rod and the outer side wall of the shaft sleeve body, and the oil plug and the oil outlet are closed when the spring is in a natural state.

Through adopting above-mentioned technical scheme, when the spring is in under the natural state, oil plug and oil-out are closed, and after lubricating oil lubricated the articulated shaft, under miniature cylinder's effect, the slip strip reverse slip resets to the draw-in groove in, utilizes the elasticity of spring to restore power, promotes the smooth and easy nature in the slip strip slips into the recess.

The utility model discloses further set up to: and a sealing ring is arranged on the wall of the through hole, and the pull rod penetrates through the side wall at one end of the through hole and is attached to the wall of the sealing ring.

Through adopting above-mentioned technical scheme, set up the sealing washer, promote the leakproofness between perforation and pull rod to reduce lubricating oil from the possibility of perforation seepage, and then further reduce the waste of lubricating oil.

The utility model discloses further set up to: the outer side wall of the shaft sleeve body is provided with an elastic blocking piece, and the elastic blocking piece is located above the channel outlet.

By adopting the technical scheme, in order to reduce the possibility that the lubricating oil in the oil storage tank leaks from the channel outlet, the elastic baffle plate is utilized to play a certain role in blocking the lubricating oil; when workers inject lubricating oil into the oil storage tank, the elastic blocking piece is slightly lifted upwards; when the pull rod slides towards the outer side of the shaft sleeve body, so that lubricating oil flows to the hinge shaft, the pressure in the oil storage groove is reduced, the elastic blocking piece slightly sinks downwards, air flows into the channel from the side wall of the elastic blocking piece, the pressure inside and outside the oil storage groove is kept balanced, and the lubricating oil smoothly flows to the hinge shaft while the leakage of the lubricating oil is reduced.

To sum up, the utility model discloses a beneficial technological effect does:

1. the oil plug is driven by the pull rod to slide in the oil storage tank in a reciprocating manner, so that the opening and closing of the oil outlet are realized, the inlet and outlet of lubricating oil are controlled, the possibility of lubricating oil waste is reduced, and the lubricating oil is saved;

2. the usable miniature cylinder of workman drives the slide bar and slides on the lateral wall of axle sleeve body, realizes the flexible of pull rod to need not workman manual regulation pull rod, labour saving and time saving.

Drawings

Fig. 1 is a schematic view of an external structure of a sleeve for embodying the present embodiment.

Fig. 2 is a schematic view of a partial cross-sectional structure of the top view of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic sectional structure view for showing the positional relationship between the pull rod, the piston, the oil reservoir, the seal ring, the adjuster and the sleeve body.

Fig. 5 is an enlarged view of a portion B in fig. 4.

Fig. 6 is a schematic sectional view showing a connection relationship between the microcylinder and the slide bar.

In the figure, 1, a shaft sleeve body; 2. an oil filler hole; 3. an oil storage tank; 4. an oil plug; 5. an oil outlet; 6. a void; 7. a channel; 8. perforating; 9. a pull rod; 10. an adjustment member; 11. a seal ring; 12. a spring; 13. a slide bar; 14. a groove; 15. a slider; 16. a cambered surface; 17. bending the arc surface; 18. a push plate; 19. a micro cylinder; 20. an elastic baffle plate; 21. a screw; 22. hinging a shaft; 23. a screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an oil lubrication shaft sleeve has solved the problem that causes the lubricating oil extravagant because of the business turn over of uncontrollable lubricating oil, the device includes axle sleeve body 1, articulated shaft 22 of being connected rotates with axle sleeve body 1, oil filler point 2 and oil storage tank 3 of setting in axle sleeve body 1 lateral wall, the shape of oil storage tank 3's longitudinal section is isosceles trapezoid, oil storage tank 3 and oil filler point 2 intercommunication, one side intercommunication that oil storage tank 3 is close to articulated shaft 22 has oil-out 5, oil-out 5 is relative with articulated shaft 22, screw rod 23 is connected with screw rod 23 in oil filler point 2.

Referring to fig. 3, a screw 23 is screwed at the outlet of the oil filling hole 2, and the passage 7 is blocked by the screw 23 after oil is filled, so that the possibility of leakage of lubricating oil is reduced.

Referring to fig. 3, a channel 7 is arranged in the side wall of the shaft sleeve body 1, one end of the channel 7 is communicated with the oil storage tank 3, and the other end of the channel 7 is communicated with the outside air; the pressure difference inside and outside the oil storage tank 3 is balanced by the passage 7, and when workers inject lubricating oil into the oil storage tank 3, air in the oil storage tank 3 flows out of the passage 7, so that the workers can conveniently inject the lubricating oil; when the lubricating oil in the oil reservoir 3 flows toward the hinge shaft 22, the outside air flows in from the passage 7, so that the lubricating oil flows out; under the action of the channel 7, the internal and external pressure intensities of the oil storage tank 3 reach balance, so that the lubricating oil can conveniently enter and exit.

Referring to fig. 3, an elastic blocking piece 20 is fixed on the outer side wall of the shaft sleeve body 1 through a screw 21, and the elastic blocking piece 20 is positioned above the outlet of the channel 7; when workers fill oil into the oil storage tank 3, air in the oil storage tank 3 flows out from the channel 7, and at the moment, the elastic baffle piece 20 is slightly lifted upwards, so that the air flows out from a gap between the inner side wall of the elastic baffle piece 20 and the shaft sleeve body 1; when the lubricating oil in the oil storage tank 3 flows to the hinge shaft 22 (figure 1), the pressure in the oil storage tank 3 is reduced, and at the moment, the elastic baffle plate 20 slightly sinks downwards, so that the external air flows into the channel 7 from the space between the side wall of the elastic baffle plate 20 and the outer side wall of the shaft sleeve body 1, the pressure inside and outside the oil storage tank 3 is balanced, and the smoothness of lubricating oil injection and lubricating oil use is ensured; and further reduce the possibility of lubricating oil leakage and reduce the waste of lubricating oil.

Referring to fig. 4, through holes 8 are formed in the outer side walls of two sides of the shaft sleeve body 1 along the horizontal direction, pull rods 9 are connected in the through holes 8 in a sliding mode, the longitudinal section of each pull rod 9 is in a T shape, one end, extending into the oil storage tank 3, of each pull rod 9 is connected with an oil plug 4, the longitudinal section of each oil plug 4 is in an isosceles trapezoid shape, springs 12 are sleeved on the peripheral walls of the pull rods 9, one ends of the springs 12 are connected with the side wall, facing one side of the shaft sleeve body 1, of each pull rod 9, and the other ends of the springs 12 are connected with the; in the initial state, the spring 12 is in a natural state, and at the moment, the oil plug 4 and the oil outlet 5 are closed; when a worker pulls the pull rod 9 toward the outside of the sleeve body 1, a gap 6 is created between the side wall of the oil dam 4 and the wall of the oil reservoir 3, so that the lubricating oil flows from the gap 6 toward the hinge shaft 22.

Referring to fig. 4, a seal ring 11 is adhered to the wall of the through hole 8, and the seal ring 11 can be a wear-resistant O-shaped seal ring 11 of the dual-austenite brand; by utilizing the sealing ring 11, the sealing performance between the oil storage tank 3 and the pull rod 9 is improved, the possibility of oil leakage of the oil storage tank 3 is further reduced, and lubricating oil is saved.

Referring to fig. 4, an adjusting part 10 is connected between the side wall of one end of the pull rod 9 extending out of the oil storage tank 3 and the outer side wall of the shaft sleeve body 1; by using the adjusting piece 10, the worker can conveniently drive the oil plug 4 to slide back and forth along the length direction of the oil storage tank 3.

Referring to fig. 5, the adjusting member 10 (fig. 4) includes a sliding bar 13, the sliding bar 13 is connected to the outer side wall of the shaft sleeve body 1 in a sliding manner along the length direction of the shaft sleeve body 1 (fig. 4), a groove 14 is formed on the side wall of the sliding bar 13 facing the pull rod 9, the groove surface of the groove 14 is an arc surface 16, a sliding block 15 is arranged on the side wall of the pull rod 9 facing the shaft sleeve body 1, and the side surface of one end of the sliding block 15 facing the groove 14 is an arc surface 17.

Referring to fig. 6, a push plate 18 is connected to the side wall of the slide bar 13, a micro cylinder 19 is arranged outside the shaft sleeve body 1, the micro cylinder 19 is fixed on the numerical control machine tool, and a piston rod of the micro cylinder 19 is connected to the end wall of one end of the slide bar 13 far away from the slide block 15.

Referring to fig. 5 and 6, when a worker needs to lubricate the hinge shaft 22 with lubricating oil, the micro cylinder 19 is used to drive the sliding strip 13 to slide, when the sliding block 15 slides into the groove 14, the pull rod 9 slides towards the inside of the shaft sleeve body 1 (fig. 4) under the action of the elastic restoring force of the spring 12, and at the moment, the oil plug 4 is closed with the oil outlet 5; when the sliding block 15 slides to the top wall of the sliding strip 13 along the groove 14, the pull rod 9 slides towards the outside of the shaft sleeve body 1, at the moment, the oil outlet 5 is opened, and lubricating oil flows to the hinge shaft 22 from a gap 6 between the oil plug 4 and the groove wall of the oil storage groove 3, so that the hinge shaft 22 is lubricated; the stretching of the pull rod 9 is realized through the matching of the micro cylinder 19, the sliding strip 13 and the sliding block 15, so that the opening and closing of the oil outlet 5 are realized, and the time and the labor are saved.

The implementation principle of the embodiment is as follows: in the initial state, the oil plug 4 and the oil outlet 5 are closed, a worker firstly injects lubricating oil into the oil storage tank 3 through the oil injection hole 2, when the worker needs to lubricate the hinge shaft 22 by using the lubricating oil, the micro cylinder 19 is used for driving the sliding strip 13 to slide on the outer side wall of the shaft sleeve body 1, so that the sliding block 15 slides to the top wall of the sliding strip 13 from the groove 14, at the moment, a gap 6 is generated between the oil plug 4 and the oil storage tank 3, the lubricating oil flows to the hinge shaft 22 from the gap 6, and the hinge shaft 22 is lubricated; after the worker finishes lubricating the hinge shaft 22, the micro air cylinder 19 is used for driving the sliding strip 13 to reversely slide, the sliding block 15 is reset into the groove 14 under the action of the elastic restoring force of the spring 12, at the moment, the oil plug 4 and the oil outlet 5 are closed again, and the oil storage tank 3 suspends supplying oil to the hinge shaft 22; the utility model discloses a cooperation of miniature cylinder 19, slide bar 13, slider 15 and spring 12, labour saving and time saving is convenient for control the use of lubricating oil to reduce the extravagant possibility of lubricating oil, reach the purpose of saving lubricating oil.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an oil lubrication shaft sleeve, includes axle sleeve body (1), by outer oil filler point (2) and oil storage tank (3) that set up in order in axle sleeve body (1) lateral wall in to, oil storage tank (3) and oil filler point (2) intercommunication, its characterized in that: it is connected with oil plug (4) to slide along its length direction in oil storage tank (3), the one end intercommunication that oil storage tank (3) are close to axle sleeve body (1) inside wall has oil-out (5), works as oil plug (4) slide to oil storage tank (3) when being close to the one end of axle sleeve body (1) inside wall, oil plug (4) are closed with oil-out (5), work as when oil plug (4) reverse slide, produce space (6) between the lateral wall of oil plug (4) and the cell wall of oil storage tank (3), be equipped with passageway (7) of intercommunication oil storage tank (3) and external air in the lateral wall of axle sleeve body (1).

2. An oil lubricated bearing sleeve according to claim 1, wherein: be equipped with on the lateral wall of axle sleeve body (1) and perforate (8) with oil storage tank (3) intercommunication, it is connected with pull rod (9) to perforate (8) internal slipping, pull rod (9) stretch into the one end of oil storage tank (3) and the roof of oil plug (4) is connected, be equipped with on the lateral wall of axle sleeve body (1) and make oil plug (4) along the length direction reciprocating sliding's of oil storage tank (3) regulating part (10).

3. An oil lubricated bearing sleeve according to claim 2, wherein: adjusting part (10) are including sliding slide bar (13) of connection on axle sleeve body (1) lateral wall, be equipped with recess (14) on slide bar (13), be equipped with on the diapire of pull rod (9) with recess (14) complex slider (15).

4. An oil lubricated bearing sleeve according to claim 3, wherein: the groove surface of the groove (14) is an arc surface (16), and one surface of the sliding block (15) facing the groove (14) is an arc surface (17).

5. An oil lubricated bearing sleeve according to claim 4, wherein: the sliding shaft sleeve is characterized in that a push plate (18) is arranged on the side wall of the sliding bar (13), a micro cylinder (19) which slides on the outer side wall of the shaft sleeve body (1) in a reciprocating mode is arranged, and a piston rod of the micro cylinder (19) is connected with the side wall of the sliding bar (13).

6. An oil lubricated bearing sleeve according to claim 2, wherein: the oil plug is characterized in that a spring (12) is sleeved on the peripheral wall of the pull rod (9), two ends of the spring (12) are respectively connected to the side wall of the pull rod (9) and the outer side wall of the shaft sleeve body (1), and when the spring (12) is in a natural state, the oil plug (4) and the oil outlet (5) are closed.

7. An oil lubricated bearing sleeve according to claim 2, wherein: be equipped with sealing washer (11) on the pore wall of perforation (8), pull rod (9) pass the lateral wall of perforation (8) one end and the pore wall laminating of sealing washer (11).

8. An oil lubricated bearing sleeve according to claim 1, wherein: the outer side wall of the shaft sleeve body (1) is provided with an elastic blocking piece (20), and the elastic blocking piece (20) is located above the outlet of the channel (7).