CN210919868U

CN210919868U - Three-pivot shaft with good wear resistance

Info

Publication number: CN210919868U
Application number: CN201921898403.7U
Authority: CN
Inventors: 张朝晖
Original assignee: Zhuji Jingbo Machinery Co ltd
Current assignee: Zhuji Jingbo Machinery Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-03
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a three pivots that wearability is good, including three pivot bodies and the axle shell of setting on three pivot bodies, the blind hole has been seted up on the axle shell, the interior bottom surface of blind hole is fixed with the connecting pipe, and the lateral surface of connecting pipe is provided with connecting thread, the screw thread lid has been cup jointed on the connecting pipe, the internal surface of screw thread lid is provided with sealed the pad, the lateral surface of screw thread lid is provided with the arc flexure strip, and the top welded connection of arc flexure strip has the connection piece, be provided with the plectrum on the connection piece, a plurality of spacing grooves have been seted up to the internal face of blind hole, and the one end of arc flexure strip is provided with the stopper, be provided with mounting screw. The utility model discloses the change operation of lubricating oil in the three pivots has been simplified for people can guarantee through the frequent lubricating oil that changes that the lubricating oil in the three pivots remains throughout at the best lubricated state, thereby has reduced the wearing and tearing of three pivots, has improved the wear resistance of three pivots.

Description

Three-pivot shaft with good wear resistance

Technical Field

The utility model relates to a three pivot technical field especially relates to a three pivots that wearability is good.

Background

The three-pivot is one kind of universal joint, is widely used in automobile front and rear drive axle, especially adopts lightweight design and arranges in the more difficult middle and small discharge capacity car, and the dust cover of three-pivot among the prior art generally plays two roles: firstly, preventing dust, silt and the like from entering the inside of the three pivots; secondly, the lubricating oil injected into the three pivots is protected, and the lubricating oil is prevented from leaking; the lubricating oil can gradually decrease in lubrication degree along with the use time, so that the abrasion degree of the three pivots gradually increases, and finally the three pivots are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a three-pivot shaft with good wear resistance.

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

the utility model provides a triaxial that wearability is good, includes triaxial body and the axle shell of setting on the triaxial body, the blind hole has been seted up on the axle shell, the interior bottom surface of blind hole is fixed with the connecting pipe, and the lateral surface of connecting pipe is provided with connecting thread, the screw thread lid has been cup jointed on the connecting pipe, the internal surface of screw thread lid is provided with sealed the pad, the lateral surface of screw thread lid is provided with the arc flexure strip, and the top welded connection of arc flexure strip has the connection piece, be provided with the plectrum on the connection piece, a plurality of spacing grooves have been seted up to the internal face of blind hole, and the one end of arc flexure strip is provided with the stopper, be provided with mounting screw on the stopper, and the stopper passes through mounting screw and arc flexure strip fixed connection.

Preferably, sealed the pad is made for the silica gel material, and sealed pad pastes the internal surface at the screw thread lid through strong viscose.

Preferably, the threaded cover and the arc-shaped elastic sheet are made of metal materials, and the arc-shaped elastic sheet is connected with the threaded cover in a welding mode.

Preferably, the outer sleeve mechanism comprises an outer sleeve piece, a first connecting block and a second connecting block are welded at the two ends of the outer sleeve piece respectively, a first through hole is formed in the first connecting block, a second through hole is formed in the second connecting block, the first through hole penetrates through the inside of the second through hole, a first stop block is welded at the bottom of the screw, a second stop block is welded at the top of the screw, a fastening nut is connected to the screw in a threaded manner, the first stop block and the second stop block are of a round cake-shaped structure, and the diameters of the cross sections of the first stop block and the second stop block are larger than the diameters of the first through hole and the second through hole.

Preferably, the outer cover mechanism includes a heat dissipation jacket, and the lateral surface welded connection of heat dissipation jacket has a plurality of heat dissipation thin slices, heat dissipation jacket and heat dissipation thin slice are made of copper material, and are provided with heat conduction silicone grease between heat dissipation jacket and the axle housing, the both ends of heat dissipation jacket have welded third connecting block and fourth connecting block respectively, the third through-hole has been seted up on the third connecting block, the fourth through-hole has been seted up to the inside of fourth connecting block, the inside grafting of third through-hole and fourth through-hole has same hexagonal bolt, the bottom welding of fourth connecting block has the hexagonal frame, and the inside of hexagonal frame is provided with hexagon nut, hexagon nut's lateral surface contacts with the medial surface of hexagonal frame, and hexagon nut threaded connection is on hexagon bolt.

Preferably, the connecting pipe is communicated with the inner cavity of the shaft shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through setting up blind hole, connecting pipe, connecting thread, screw cap, sealed pad, arc flexure strip, connection piece, plectrum, spacing groove, stopper and mounting screw for people can oneself manually realize the change of lubricating oil, thereby can guarantee that the lubricating oil in the three pivots remains throughout at best lubricated state, has reduced the wearing and tearing of three pivots, has improved the wear resistance of three pivots.

2. The utility model discloses in through setting up heat dissipation jacket and heat dissipation thin slice for the heat that produces when three pivots move can be quick distribute, has guaranteed three pivot structure's stability.

To sum up, the utility model discloses the change operation of lubricating oil in the three pivots has been simplified for people can guarantee through the lubricating oil of changing frequently that the lubricating oil in the three pivots remains throughout at the best lubricated state, thereby has reduced the wearing and tearing of three pivots, has improved the wear resistance of three pivots.

Drawings

Fig. 1 is a schematic view of an overall structure of a three-pivot shaft with good wear resistance provided by the present invention;

fig. 2 is a side view of a blind hole of a triple pivot shaft with good wear resistance provided by the present invention;

fig. 3 is a structural diagram of a first embodiment of a three-pivot shaft with good wear resistance provided by the present invention;

fig. 4 is a cross-sectional enlarged view of a portion a in fig. 3 of a first embodiment of a wear-resistant three-pivot shaft according to the present invention;

fig. 5 is a structural diagram of a second embodiment of a three-pivot shaft with good wear resistance provided by the present invention;

fig. 6 is a cross-sectional enlarged view of a second embodiment of a tri-pivot shaft with good wear resistance, according to the present invention, at a position B in fig. 4.

In the figure: the hinge comprises a three-pivot body 1, a shaft shell 2, a blind hole 3, a connecting pipe 4, a connecting thread 5, a thread cover 6, a sealing gasket 7, an arc-shaped elastic sheet 8, a connecting sheet 9, a shifting sheet 10, a limiting groove 11, a limiting block 12, a mounting screw 13, a jacket mechanism 14, a jacket member 15, a first connecting block 16, a second connecting block 17, a first through hole 18, a second through hole 19, a screw rod 20, a first stop block 21, a second stop block 22, a fastening nut 23, a heat dissipation jacket 24, a heat dissipation sheet 25, a third connecting block 26, a fourth connecting block 27, a third through hole 28, a fourth through hole 29, a hexagonal bolt 30, a hexagonal frame 31 and a hexagonal nut 32.

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.

The first embodiment is as follows:

referring to fig. 1-4, a three-pivot with good wear resistance comprises a three-pivot body 1 and a shaft shell 2 arranged on the three-pivot body 1, a blind hole 3 is formed in the shaft shell 2, a connecting pipe 4 is fixed to the inner bottom surface of the blind hole 3, a connecting thread 5 is arranged on the outer side surface of the connecting pipe 4, a threaded cover 6 is sleeved on the connecting pipe 4, a sealing gasket 7 is arranged on the inner surface of the threaded cover 6, an arc-shaped elastic sheet 8 is arranged on the outer side surface of the threaded cover 6, a connecting sheet 9 is welded to the top of the arc-shaped elastic sheet 8, a shifting sheet 10 is arranged on the connecting sheet 9, a plurality of limiting grooves 11 are formed in the inner wall surface of the blind hole 3, a limiting block 12 is arranged at one end of the arc-shaped elastic sheet 8, a mounting screw 13 is arranged on the limiting block 12, the limiting block.

Wherein, sealed 7 of filling up is made for the silica gel material, and sealed 7 of filling up pastes the internal surface at screw thread lid 6 through strong viscose.

Wherein, the screw cap 6 and the arc elastic sheet 8 are made of metal material, and the arc elastic sheet 8 is connected with the screw cap 6 by welding.

Wherein, the outer sleeve mechanism 14 comprises an outer sleeve member 15, the outer sleeve member 15 is used for plugging the blind hole 3, so that the internal structure of the blind hole 3 is separated from the external environment, thereby avoiding the damage of the internal structure of the blind hole 3, the two ends of the outer sleeve member 15 are respectively welded with a first connecting block 16 and a second connecting block 17, the first connecting block 16 is provided with a first through hole 18, the second connecting block 17 is provided with a second through hole 19, the first through hole 18 and the second through hole 19 are internally penetrated with a same screw rod 20, the bottom of the screw rod 20 is welded with a first stop 21, the top of the screw rod 20 is welded with a second stop 22, the first stop 21 and the second stop 22 are arranged, so that the fastening nut 23 can only move on the screw rod 20, thereby not only facilitating the connection and fixation of the first connecting block 16 and the second connecting block 17, but also avoiding the loss of the fastening nut 23, the screw rod 20 is in threaded connection with the, the first stopper 21 and the second stopper 22 are both of a cake-shaped structure, and the diameters of the cross sections of the first stopper 21 and the second stopper 22 are both larger than the diameters of the first through hole 18 and the second through hole 19.

Wherein, the connecting pipe 4 is communicated with the inner cavity of the shaft shell 2.

Example two:

referring to fig. 1, 2, 5 and 6, a triple pivot with good wear resistance comprises a triple pivot body 1 and a shaft housing 2 arranged on the triple pivot body 1, the shaft housing 2 is provided with a blind hole 3, the inner bottom surface of the blind hole 3 is fixed with a connecting pipe 4, and the outer side surface of the connecting pipe 4 is provided with a connecting thread 5, the connecting pipe 4 is sleeved with a thread cover 6, the inner surface of the thread cover 6 is provided with a sealing gasket 7, the outer side surface of the thread cover 6 is provided with an arc-shaped elastic sheet 8, and the top of the arc-shaped elastic piece 8 is welded and connected with a connecting piece 9, the connecting piece 9 is provided with a shifting piece 10, the inner wall surface of the blind hole 3 is provided with a plurality of limiting grooves 11, and one end of the arc-shaped elastic sheet 8 is provided with a limiting block 12, the limiting block 12 is provided with a mounting screw 13, and the limiting block 12 is fixedly connected with the arc-shaped elastic sheet 8 through a mounting screw 13, and an outer sleeve mechanism 14 is arranged on the outer side of the shaft shell 2.

Wherein, the outer sleeve mechanism 14 comprises a heat dissipation jacket 24, the outer side surface of the heat dissipation jacket 24 is welded with a plurality of heat dissipation sheets 25, the heat dissipation jacket 24 and the heat dissipation sheets 25 are used for accelerating the heat dissipation of the three-pivot shaft body 1, the heat dissipation jacket 24 and the heat dissipation sheets 25 are made of copper materials, heat conduction silicone grease is arranged between the heat dissipation jacket 24 and the shaft housing 2, the heat conduction silicone grease can increase the heat conductivity between the heat dissipation jacket 24 and the shaft housing 2, the two ends of the heat dissipation jacket 24 are respectively welded with a third connecting block 26 and a fourth connecting block 27, the third connecting block 26 is provided with a third through hole 28, the fourth connecting block 27 is provided with a fourth through hole 29, the same hexagon bolt 30 is inserted into the third through hole 28 and the fourth through hole 29, the bottom of the fourth connecting block 27 is welded with a hexagon frame 31, the hexagon frame 31 is used for clamping the hexagon nut 32 so as to facilitate the screwing of the hexagon bolt 30, and the hexagon nut 32 is, the outer side surface of the hexagonal nut 32 contacts the inner side surface of the hexagonal frame 31, and the hexagonal nut 32 is screwed to the hexagonal bolt 30.

The working principle is as follows: after the three-pivot body 1 is used for a period of time, people need to replace the lubricating oil in the three-pivot body 1 so as to ensure the lubricating degree of the lubricating oil and reduce the abrasion of the three-pivot body 1, and the specific operations are as follows: firstly, the outer sleeve mechanism 14 is opened, the blind hole 3 shielded by the outer sleeve mechanism 14 is exposed, then the plectrum 10 is shifted downwards, the arc-shaped elastic sheet 8 is slowly close to the threaded cover 6 under the action of the connecting sheet 9, the limiting block 12 can be withdrawn from the inside of the limiting groove 11, after the limiting function of the limiting block 12 is lost, the threaded cover 6 is screwed, the threaded cover 6 is separated from the connecting pipe 4 under the action of the connecting thread 5, then the three-pivot body 1 is rotated, the opening of the connecting pipe 4 faces downwards, the lubricating oil in the shaft shell 2 can flow out under the action of gravity, then the connecting pipe 4 is rotated until the opening faces upwards, after new lubricating oil is injected into the connecting pipe, the threaded cover 6 is tightly covered, the sealing gasket 7 realizes the sealing connection between the threaded cover 6 and the connecting pipe 4, the lubricating oil in the shaft shell 2 is prevented from flowing out, the limiting block 12 is arranged, so that the threaded cover 6, and can not appear the not hard up condition of screw cap 6 because of external vibrations etc. the utility model discloses simplified the change operation of lubricating oil in the three pivots for people can guarantee through the lubricating oil of changing frequently that the lubricating oil in the three pivots remains throughout at best lubricated state, thereby reduced the wearing and tearing of three pivots, improved the wear resistance of three pivots.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A three-pivot with good wear resistance comprises a three-pivot body (1) and a shaft shell (2) arranged on the three-pivot body (1), and is characterized in that a blind hole (3) is formed in the shaft shell (2), a connecting pipe (4) is fixed to the inner bottom surface of the blind hole (3), connecting threads (5) are arranged on the outer side surface of the connecting pipe (4), a threaded cover (6) is sleeved on the connecting pipe (4), a sealing gasket (7) is arranged on the inner surface of the threaded cover (6), an arc-shaped elastic sheet (8) is arranged on the outer side surface of the threaded cover (6), a connecting sheet (9) is welded to the top of the arc-shaped elastic sheet (8), a shifting sheet (10) is arranged on the connecting sheet (9), a plurality of limiting grooves (11) are formed in the inner wall surface of the blind hole (3), and a limiting block (12) is arranged at one end of, the limiting block (12) is provided with a mounting screw (13), the limiting block (12) is fixedly connected with the arc-shaped elastic sheet (8) through the mounting screw (13), and the outer side of the shaft shell (2) is provided with an outer sleeve mechanism (14).

2. The triple pivot shaft with good wear resistance as claimed in claim 1, wherein the sealing gasket (7) is made of silica gel, and the sealing gasket (7) is adhered to the inner surface of the threaded cover (6) through strong adhesive.

3. The triple pivot shaft with good wear resistance as claimed in claim 1, wherein the threaded cap (6) and the arc-shaped elastic piece (8) are both made of metal materials, and the arc-shaped elastic piece (8) is welded with the threaded cap (6).

4. A wear resistant triple pivot according to claim 1 wherein the outer sleeve means (14) includes an outer sleeve member (15), and the two ends of the outer sleeve piece (15) are respectively welded with a first connecting block (16) and a second connecting block (17), a first through hole (18) is arranged on the first connecting block (16), a second through hole (19) is arranged on the second connecting block (17), the same screw rod (20) penetrates through the first through hole (18) and the second through hole (19), a first stop block (21) is welded at the bottom of the screw rod (20), a second stop block (22) is welded at the top of the screw rod (20), a fastening nut (23) is connected on the screw rod (20) in a threaded manner, the first stop block (21) and the second stop block (22) are both in a round cake-shaped structure, and the diameters of the cross sections of the first stop block (21) and the second stop block (22) are larger than the diameters of the first through hole (18) and the second through hole (19).

5. The three-pivot shaft with good wear resistance as claimed in claim 1, wherein the outer sleeve mechanism (14) comprises a heat dissipation jacket (24), the outer side surface of the heat dissipation jacket (24) is connected with a plurality of heat dissipation sheets (25) in a welding manner, the heat dissipation jacket (24) and the heat dissipation sheets (25) are both made of copper, heat-conducting silicone grease is arranged between the heat dissipation jacket (24) and the shaft housing (2), a third connecting block (26) and a fourth connecting block (27) are respectively welded at two ends of the heat dissipation jacket (24), a third through hole (28) is formed in the third connecting block (26), a fourth through hole (29) is formed in the fourth connecting block (27), the same hexagonal bolt (30) is inserted into the third through hole (28) and the fourth through hole (29), and a hexagonal frame (31) is welded at the bottom of the fourth connecting block (27), and the inside of hexagonal frame (31) is provided with hexagon nut (32), the lateral surface of hexagon nut (32) contacts with the medial surface of hexagonal frame (31), and hexagon nut (32) threaded connection is on hex bolts (30).

6. A wear resistant trunnion according to claim 1, characterized in that the connecting tube (4) is in communication with the inner space of the shaft housing (2).