阅读说明：本技术 一种铰轴双点润滑可旋转接头 (Double-point lubricating rotatable joint of hinge shaft ) 是由 段维花 陈宝明 况成 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种铰轴双点润滑可旋转接头,包括外壳、内芯、储油槽一和储油槽二。有益效果在于：通过设置外壳、内芯、连接件、进油孔一、进油孔二、尼龙导向板、O型圈一、O型圈二、O型圈三、油封、储油槽一以及储油槽二,能够在确保铰轴正常转动的同时实现铰轴连接润滑部位的润滑密封,有效避免了铰轴连接润滑部位整体的转动,便于铰轴连接润滑部位不锈钢管的使用,确保了铰轴润滑部位的美观性,延长了铰轴连接润滑部位防护件的使用寿命,同时降低了铰轴润滑连接的成本；通过设置转槽、底板、限位台以及插孔,能够实现该旋转接头整体各部的便捷拆卸,便于铰轴连接润滑部位的后期的高效检修维护,大大提高了该旋转接头使用的灵活性。(The invention discloses a hinge shaft double-point lubrication rotatable joint which comprises a shell, an inner core, a first oil storage tank and a second oil storage tank. Has the advantages that: by arranging the shell, the inner core, the connecting piece, the oil inlet hole I, the oil inlet hole II, the nylon guide plate, the O-shaped ring I, the O-shaped ring II, the O-shaped ring III, the oil seal, the oil storage tank I and the oil storage tank II, the lubrication and sealing of a hinge shaft connecting lubrication part can be realized while the normal rotation of a hinge shaft is ensured, the integral rotation of the hinge shaft connecting lubrication part is effectively avoided, the use of a stainless steel pipe of the hinge shaft connecting lubrication part is facilitated, the attractiveness of the hinge shaft lubrication part is ensured, the service life of a hinge shaft connecting lubrication part protection piece is prolonged, and the cost of hinge shaft lubrication and connection is reduced; through setting up rotary groove, bottom plate, spacing platform and jack, can realize the whole convenient dismantlement of each portion of this rotary joint, the high-efficient maintenance of the later stage at the lubricated position of hinge connection of being convenient for has improved the flexibility that this rotary joint used greatly.)

1. The utility model provides a two lubricated rotatable joints of hinge which characterized in that: comprises a shell (1), an inner core (11), a first oil storage tank (3) and a second oil storage tank (2), wherein the inner core (11) is arranged in the middle of the shell (1), one end of the inner core (11) is provided with a first oil inlet hole (12), one side of the first oil inlet hole (12) on the inner core (11) is provided with a second oil inlet hole (10), a first channel (13) is arranged at the joint of the first oil inlet hole (12) and the second oil inlet hole (10) on the inner core (11), a second O-shaped ring (15) is arranged on one side in the shell (1), two oil seals (14) are symmetrically arranged on two sides of the second O-shaped ring (15) in the shell (1), a nylon guide plate (9) is arranged on one side of the oil seals (14) in the shell (1), the first oil storage tank (3) is arranged between the second O-shaped ring (15) and the oil seals (14) in the shell (1), the oil storage tank is characterized in that a channel II (6) is arranged on one side of the oil storage tank I (3), jacks (18) are symmetrically arranged on two sides in the shell (1), connecting pieces (8) are installed in the jacks (18), a rotary groove (21) of an inwards concave structure is arranged at one end of each connecting piece (8), the connecting part (8) and the channel II (6) are connected and provided with the oil storage tank II (2), a channel III (5) is arranged at the connecting part (8) and the oil storage tank II (2), an O-shaped ring I (7) is arranged on one side of the peripheral side wall of each connecting piece (8), an O-shaped ring III (4) is arranged on the other side of the peripheral side wall of each connecting piece (8), a bottom plate (16) is arranged at one end, far away from the oil inlet hole I (12), of the inner core (11), a mounting hole (17) is arranged on the bottom plate (16), a thread groove (19) is arranged at the mounting hole (17), and one end of the inner core (11) close to the first oil inlet hole (12) is provided with a limiting table (20).

2. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the first oil inlet hole (12) and the second oil inlet hole (10) are formed in the inner core (11), and the first oil inlet hole (12) and the second oil inlet hole (10) are communicated with the first channel (13).

3. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the bottom plate (16) is connected with the outer shell (1) through a clamping groove, and the inner core (11) is connected with the outer shell (1) in an inserted mode.

4. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the screw groove (19) is formed in the inner core (11), and the mounting hole (17) is formed in the bottom plate (16).

5. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the first oil storage groove (3) is formed in the shell (1), and the first oil storage groove (3) is of an annular concave structure.

6. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: and the O-shaped ring II (15) and the oil seal (14) are connected with the shell (1) in a clamping and pressing mode.

7. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the nylon guide plate (9) is connected with the shell (1) in an inserting mode, and the nylon guide plate (9) is of an annular structure.

8. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the second channel (6) is formed on the shell (1), and the first oil storage tank (3) is communicated with the second oil storage tank (2) through the second channel (6).

9. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the oil storage tank II (2) and the channel III (5) are formed on the connecting piece (8), and one end of the connecting piece (8) extends out of the shell (1).

10. A hinge shaft dual point lubrication rotatable joint as claimed in claim 1, wherein: the O-shaped ring I (7) and the O-shaped ring III (4) are connected with the connecting piece (8) in a clamping and pressing mode.

Technical Field

The invention relates to the technical field of hinge shaft double-point lubrication, in particular to a hinge shaft double-point lubrication rotatable joint.

Background

In the port machine industry, the steel structure combines together the mode has three kinds, two liang of welding formula, second bolted connection formula, three are hinge connection formula. The hinge shaft connection mode is most used for walking on a cart, rigid legs and flexible legs; for the lubrication industry, the hinge point part for the walking of a cart is relatively complex, the lubrication is much, the hinge point connection means that the movement amount exists between two steel structures, and the movement between the two steel structures can cause the stainless steel pipes in lubrication connection to generate adverse effects such as deformation, leakage, fracture and the like, so that the problems of incomplete lubrication, grease leakage and the like can be caused; with the development of the technology, a plurality of hinge points on port machinery adopt a single-shaft single-side double-lubrication-point lubrication mode, so that the advantage is that most parts of the hinge shaft do not have relative movement, only the hinge shaft rotates, but also a new problem exists, or the lubrication part of the hinge shaft can not use a stainless steel pipe, so that the initial problem is solved.

The existing method for solving the problem of the rotating hinge shaft in the market is to connect by using a rubber tube, and the ductility and the degree of freedom in the movement process are ensured by using the length of the rubber tube, however, the lubricating mode can reduce the influence caused by relative movement to a certain extent, but has great defects; for example: 1. the rubber tube is in a wind-blowing and sun-drying state for a long time, and is bound to age faster than a stainless steel tube, so that the service life of a protective part at the position where the hinge shaft is connected with a lubricating part is shortened; 2. the excessive use of the glue pipe on the equipment causes serious unattractive appearance of the connection lubrication part of the hinge shaft; 3. the application of the rubber tube greatly increases the number of required pipe joints, and also increases a lot of cost; in addition, the rubber tube is of an integrated structure, the rubber tube is inconvenient to disassemble, and the maintenance efficiency of the hinge shaft in the later stage of the connection of the lubricating part is greatly reduced.

Disclosure of Invention

The present invention is directed to solving the above problems and providing a hinge shaft double-point lubrication rotatable joint.

The invention realizes the purpose through the following technical scheme:

a hinge double-point lubrication rotatable joint comprises a shell, an inner core, a first oil storage tank and a second oil storage tank, wherein the inner core is arranged in the middle of the shell, one end of the inner core is provided with a first oil inlet hole, one side of the first oil inlet hole, which is positioned on the inner core, is provided with a second oil inlet hole, a first channel is arranged at the joint of the first oil inlet hole and the second oil inlet hole on the inner core, one side of the inner core is provided with a second O-shaped ring, two oil seals are symmetrically arranged on two sides of the second O-shaped ring in the shell, one side of the oil seal, which is positioned in the shell, is provided with a nylon guide plate, the first oil storage tank is arranged between the second O-shaped ring and the oil seal in the shell, one side of the second oil storage tank is provided with a second channel, two sides of the inner shell are symmetrically provided with jacks, connecting pieces are arranged in the jacks, one ends of the connecting pieces are provided with rotary grooves with concave structures, the utility model discloses a connecting piece, including the connecting piece, the connecting piece is provided with in the connecting piece with the department that links to each other of passageway two is provided with passageway three, one side is provided with O type circle one on the peripheral lateral wall of connecting piece, the opposite side is provided with O type circle three on the peripheral lateral wall of connecting piece, keep away from on the inner core one end of inlet port is provided with the bottom plate, be provided with the mounting hole on the bottom plate, just right on the inner core mounting hole department is provided with the spiral shell groove, be close to on the inner core one end of inlet port is provided with spacing platform.

Further, the first oil inlet hole and the second oil inlet hole are both formed in the inner core, and the first oil inlet hole and the second oil inlet hole are both communicated with the first channel.

Through adopting above-mentioned technical scheme, inlet port one and inlet port two is the main passageway that lubricating grease poured into, passageway one can ensure that lubricating grease flows into the inner core with between the shell in the oil storage tank one.

Furthermore, the bottom plate is connected with the shell through a clamping groove, and the inner core is connected with the shell in an inserting mode.

By adopting the technical scheme, the bottom plate is matched with the inner core, so that the inner core can be reliably connected with the outer shell.

Further, the screw groove is formed on the inner core, and the mounting hole is formed on the bottom plate.

By adopting the technical scheme, the external bolt penetrates through the mounting hole and is screwed into the screw groove, so that the bottom plate and the inner core can be reliably fixed.

Furthermore, the first oil storage groove is formed in the shell and adopts an annular concave structure.

Through adopting above-mentioned technical scheme, lubricating grease can be stored to oil storage tank one to the normal lubrication connection of revolution mechanic uses.

Furthermore, the O-shaped ring II and the oil seal are connected with the shell in a clamping and pressing mode.

Through adopting above-mentioned technical scheme, O type circle two with the oil blanket cooperation can be realized the leakproofness of oil storage tank one avoids lubricating grease's leakage.

Furthermore, the nylon guide plate is inserted into the shell, and the nylon guide plate is of an annular structure.

By adopting the technical scheme, the nylon guide plate can ensure that the inner core is always positioned in the central part of the shell, so that the normal use of the inner core is ensured.

Furthermore, the second channel is formed on the shell, and the first oil storage tank is communicated with the second oil storage tank through the second channel.

Through adopting above-mentioned technical scheme, passageway two can be with lubricating grease by oil storage tank one is leading-in the oil storage tank two.

Furthermore, the second oil storage tank and the third channel are formed on the connecting piece, and one end of the connecting piece extends out of the shell.

Through adopting above-mentioned technical scheme, passageway three can with lubricating grease in the oil storage tank two is leading-in to the lubricated position of outside hinge to lubricate the hinge.

Furthermore, the first O-shaped ring and the third O-shaped ring are connected with the connecting piece in a clamping and pressing mode.

Through adopting above-mentioned technical scheme, O type circle one and O type circle three can ensure the leakproofness of speaking two sides of oil storage tank, avoids lubricating grease's leakage.

The specific working principle is as follows: when in use, the outer shell, the inner core, the bottom plate and the connecting piece are connected in a mode shown in figure 1, then the outer shell is connected with an external hinged shaft, the inner core is connected with a steel structure component, and then the rotary joint can be put into use, wherein in use, lubricating grease flows in from the oil inlet hole I and the oil inlet hole II on the inner core, the lubricating grease entering the inner core flows into the oil storage groove I formed by assembling the inner core and the outer shell through the channel I, the left side and the right side of the oil storage groove I are sealed by the O-shaped ring II and the oil seal, the grease cannot leak, then the grease flows into the oil storage groove II formed by assembling the outer shell and the connecting piece through the channel II, and the left side and the right side of the oil storage groove II are respectively sealed by the O-shaped ring I and the O-shaped ring III, the grease can not cause and reveal, and the grease is followed two process of oil storage tank three enter the hinge lubrication point to lubricate the hinge, the effect of nylon deflector is guaranteed the inner core is all the time the central point of shell need overhaul this revolution mechanic when maintaining after using a period, only need pass through the turn trough will the connecting piece is unscrewed, and will the bottom plate by lift off on the inner core, alright realize the holistic dismantlement of this rotary joint, thereby be convenient for this rotary joint's high-efficient maintenance.

The invention has the beneficial effects that:

1. by arranging the shell, the inner core, the connecting piece, the oil inlet hole I, the oil inlet hole II, the nylon guide plate, the O-shaped ring I, the O-shaped ring II, the O-shaped ring III, the oil seal, the oil storage tank I and the oil storage tank II, the lubrication and sealing of a hinge shaft connecting lubrication part can be realized while the normal rotation of a hinge shaft is ensured, the integral rotation of the hinge shaft connecting lubrication part is effectively avoided, the use of a stainless steel pipe of the hinge shaft connecting lubrication part is facilitated, the attractiveness of the hinge shaft lubrication part is ensured, the service life of a hinge shaft connecting lubrication part protection piece is prolonged, and the cost of hinge shaft lubrication and connection is reduced;

2. through setting up rotary groove, bottom plate, spacing platform and jack, can realize the whole convenient dismantlement of each portion of this rotary joint, the high-efficient maintenance of the later stage at the lubricated position of hinge connection of being convenient for has improved the flexibility that this rotary joint used greatly.

Drawings

FIG. 1 is a front cross-sectional view of a hinge shaft dual point lubricated rotatable joint of the present invention;

FIG. 2 is a left side view of a bottom plate of a hinge shaft double point lubrication rotatable joint according to the present invention;

FIG. 3 is a front sectional view of a housing in a hinge shaft double point lubrication rotatable joint according to the present invention;

FIG. 4 is a front cross-sectional view of an inner core of a hinge dual point lubricated rotatable joint of the present invention;

fig. 5 is a front sectional view of a coupling in a hinge shaft double-point lubrication rotatable joint according to the present invention. The reference numerals are explained below:

1. a housing; 2. an oil storage tank II; 3. a first oil storage tank; 4. an O-shaped ring III; 5. a third channel; 6. a second channel; 7. a first O-shaped ring; 8. a connecting member; 9. a nylon guide plate; 10. an oil inlet hole II; 11. an inner core; 12. an oil inlet hole I; 13. a first channel; 14. oil sealing; 15. an O-shaped ring II; 16. a base plate; 17. mounting holes; 18. a jack; 19. a screw groove; 20. a limiting table; 21. and (6) rotating the groove.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-5, a hinge shaft double-point lubrication rotatable joint comprises a housing 1, an inner core 11, a first oil storage tank 3 and a second oil storage tank 2, wherein the inner core 11 is installed in the middle of the housing 1, one end of the inner core 11 is provided with a first oil inlet hole 12, a second oil inlet hole 10 is arranged on the inner core 11 and positioned on one side of the first oil inlet hole 12, a first channel 13 is arranged on the inner core 11 and connected with the first oil inlet hole 12 and the second oil inlet hole 10, an O-ring second 15 is arranged on one side of the housing 1, two oil seals 14 are symmetrically arranged on two sides of the O-ring second 15 in the housing 1, a nylon guide plate 9 is arranged on one side of the oil seal 14 in the housing 1, the first oil storage tank 3 is arranged between the O-ring second oil seal 15 and the oil seal 14, a second channel 6 is arranged on one side of the first oil storage tank 3, bilateral symmetry is provided with jack 18 in the shell 1, install connecting piece 8 in the jack 18, 8 one end of connecting piece is provided with the rotary tank 21 of indent structure, in the connecting piece 8 with the department that links to each other of passageway two 6 is provided with oil storage tank two 2, in the connecting piece 8 with the department that links to each other of oil storage tank two 2 is provided with passageway three 5, one side is provided with O type circle one 7 on the 8 peripheral lateral walls of connecting piece, the opposite side is provided with O type circle three 4 on the 8 peripheral lateral walls of connecting piece, keep away from on the inner core 11 one 12 one end of inlet port is provided with bottom plate 16, be provided with mounting hole 17 on the bottom plate 16, on the inner core 11 just right mounting hole 17 department is provided with spiral shell groove 19, be close to on the inner core 11 one 12 one end of inlet port is provided with spacing platform 20.

In this embodiment, the first oil inlet hole 12 and the second oil inlet hole 10 are formed in the inner core 11, the first oil inlet hole 12 and the second oil inlet hole 10 are communicated with the first passage 13, the first oil inlet hole 12 and the second oil inlet hole 10 are main passages for injecting lubricating grease, and the first passage 13 can ensure that the lubricating grease flows into the inner core 11 and the first oil storage tank 3 between the outer shells 1.

In this embodiment, the bottom plate 16 is connected with the outer shell 1 through a clamping groove, the inner core 11 is inserted into the outer shell 1, and the bottom plate 16 is matched with the inner core 11 to realize reliable connection between the inner core 11 and the outer shell 1.

In this embodiment, the screw groove 19 is formed on the inner core 11, the mounting hole 17 is formed on the bottom plate 16, and an external bolt is screwed into the screw groove 19 through the mounting hole 17, so that the bottom plate 16 and the inner core 11 can be reliably fixed.

In this embodiment, oil storage tank one 3 the shaping in on shell 1, oil storage tank one 3 adopts annular indent structure, lubricating grease can be stored to oil storage tank one 3 to rotary structure's normal lubrication connection uses.

In this embodiment, two O type rings 15 and oil blanket 14 all with shell 1 links to each other through the card mode of pressing, two O type rings 15 with the cooperation of oil blanket 14 can be realized the leakproofness of oil storage tank 3 avoids the leakage of lubricated grease.

In this embodiment, the nylon deflector 9 with the shell 1 is pegged graft, the nylon deflector 9 adopts the loop configuration, the nylon deflector 9 can guarantee that the inner core 11 is in all the time the central point of shell 1 is put, in order to ensure the normal use of inner core 11.

In this embodiment, the second passage 6 is formed in the housing 1, the first oil storage tank 3 is communicated with the second oil storage tank 2 through the second passage 6, and the second passage 6 can introduce lubricating grease from the first oil storage tank 3 into the second oil storage tank 2.

In this embodiment, the second oil storage tank 2 and the third passage 5 are formed on the connecting piece 8, one end of the connecting piece 8 extends out of the shell 1, and the third passage 5 can guide lubricating grease in the second oil storage tank 2 into the lubricating position of the external hinge shaft so as to lubricate the hinge shaft.

In this embodiment, the O-ring 7 and the O-ring 4 are connected to the connecting member 8 by a clamping and pressing method, and the O-ring 7 and the O-ring 4 can ensure the sealing performance of the two sides of the speaking oil storage tank 2, thereby preventing the leakage of the lubricating grease.

The specific working principle is as follows: when in use, the outer shell 1, the inner core 11, the bottom plate 16 and the connecting piece 8 are connected in a mode shown in figure 1, then the outer shell 1 is connected with an external hinged shaft, the inner core 11 is connected with a steel structure component, and then the rotary joint can be put into use, wherein in use, lubricating grease flows in from the oil inlet hole I12 and the oil inlet hole II 10 on the inner core 11, the lubricating grease entering the inner core 11 flows into the oil storage groove I3 formed by assembling the inner core 11 and the outer shell 1 through the channel I13, the left side and the right side of the oil storage groove I3 are sealed by the O-shaped ring II 15 and the oil seal 14, the grease cannot leak, and then the grease flows into the oil storage groove II 2 formed by assembling the outer shell 1 and the connecting piece 8 through the channel II 6 from the oil storage groove I3, two sides are do not by about oil storage tank two 2O type circle 7 with three 4 of O type circle are sealed, can not cause the grease to reveal, and the grease follows then oil storage tank two 2 passes through three 5 entering hinge lubricating points in passageway to lubricate the hinge, the effect of nylon deflector 9 is guaranteed inner core 11 is all the time the central point of shell 1, when using one end time after need overhaul this revolution mechanic when maintaining, only need pass through the turn trough 21 will 8 of connecting piece revolve out, and will bottom plate 16 by lift off on the inner core 11, alright realize the holistic dismantlement of this rotary joint to the high-efficient maintenance of this rotary joint of being convenient for is overhauld and is maintained.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.