CN216478543U

CN216478543U - Universal joint with waste oil recovery structure

Info

Publication number: CN216478543U
Application number: CN202123242683.6U
Authority: CN
Inventors: 高天安; 程敏; 董国强; 王凯; 高华江
Original assignee: Zhejiang Qianfu Universal Joint Co ltd
Current assignee: Zhejiang Qianfu Transmission Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-10
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a from universal joint of taking waste oil to retrieve structure, affiliated universal joint technical field, including the cross, the cross on all be equipped with cross nested connection's bearing assembly, the cross in be equipped with the through-hole, the through-hole both ends all be equipped with the counter bore, counter bore and through-hole between be equipped with the recess hole, bearing assembly and through-hole between be equipped with and insert the logical oily riser that the formula cup jointed mutually with the through-hole. The device has the characteristics of complete structure, good operation stability and long service life. The problem of universal oil-saving grease filling in-process grease overflow too early and old grease mix and lead to the lubricated effect to reduce is solved. The universal joint is prevented from losing efficacy in advance due to the fact that grease overflows from the oil seal in the filling process and the lubricating effect is reduced due to mixing of the grease, and therefore the service life of the universal joint is effectively prolonged.

Description

Universal joint with waste oil recovery structure

Technical Field

The utility model relates to a universal joint technical field, concretely relates to universal joint from taking waste oil recovery structure.

Background

The universal joint is used for various automobiles, engineering machinery, ships and mechanical transmission parts, and plays a role in angle-variable power transmission. The application of maintenance type universal joint in the transmission market is more extensive, current maintenance type universal joint passes through the glib talker and regularly fills the grease to the universal joint and reaches lubricated purpose, along with the continuous increase of grease filling number of times, the inside grease volume of universal joint also can constantly increase thereupon, this can lead to the inside oil pressure of universal joint bigger and bigger, the oil blanket bears the extrusion of grease also stronger and stronger, the risk of oil leakage also can be bigger and bigger, under the condition that does not in time fill, the universal joint can produce high temperature because of lacking oil in the course of the work, finally lead to axle diameter and kingpin sintering, cause the universal joint to become invalid in advance.

The new grease of current maintenance type universal joint in the grease filling process can be in the same place with old grease mixing, and the produced lubricated effect after new and old grease mixing can be weakened by a wide margin, and this utilization ratio with the greatly reduced grease also can lead to the universal joint established maintenance cycle to change, increases the grease filling cycle control the degree of difficulty, increases the risk that the universal joint became invalid in advance.

Disclosure of Invention

The utility model discloses mainly solve and exist and lead to the grease to spill over and the old and new grease mixes the not enough that leads to the lubricated effect of grease to reduce along with grease volume grow in the grease filling process among the prior art, provide a universal joint from taking waste oil recovery structure, it has that the structure is perfect, operating stability is good, long service life's characteristics. The problem of universal oil-saving grease filling in-process grease overflow too early and old grease mix and lead to lubricated effect to reduce is solved. The universal joint is prevented from losing efficacy in advance due to the fact that grease overflows from the oil seal in the filling process and the lubricating effect is reduced due to mixing of the grease, and therefore the service life of the universal joint is effectively prolonged.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides a universal joint from taking waste oil to retrieve structure, includes the cross, the cross on all be equipped with cross nested connection's bearing assembly, the cross in be equipped with the through-hole, the through-hole both ends all be equipped with the counter bore, counter bore and through-hole between be equipped with the recess hole, bearing assembly and through-hole between be equipped with and inlay the oily riser that cup joints of formula mutually with the through-hole.

Preferably, the bearing assembly comprises a bearing ring, a plurality of rolling needles which are distributed annularly are arranged between the inner wall of the bearing ring and the cross shaft, an oil seal which is hermetically clamped and sleeved with the cross shaft and the bearing ring is arranged at the front ends of the rolling needles, and a gasket which is in nested connection with the oil through vertical pipe is arranged at the bottom of the bearing ring.

Preferably, the front end of the oil seal is provided with a bottom end dust cover which is clamped and nested with the bearing ring.

Preferably, the oil-through vertical pipe comprises a vertical pipe boss sleeved with the groove hole in an interference fit manner, an upper oil channel sleeved with the through hole in an interference fit manner is arranged at the upper end of the vertical pipe boss, and a lower oil channel connected with the gasket in an embedded manner is arranged at the lower end of the vertical pipe boss.

Preferably, the gasket comprises a gasket disc, a gasket outer ring boss integrated with the gasket disc is arranged between the gasket disc and the roller pin, a gasket central hole communicated with the oil through vertical pipe in a nested manner is formed in the gasket disc, and a plurality of oil grooves which are distributed in an annular manner and are located on two end faces of the gasket disc are formed in the gasket outer ring boss.

Preferably, the upper end of the cross shaft is provided with an oil filling hole communicated with the through hole, and the upper end of the cross shaft is provided with a double-head oil nozzle which is in threaded sleeve joint with the oil filling hole.

The utility model discloses can reach following effect:

the utility model provides a from universal joint of taking waste oil recovery structure compares with prior art, has that the structure is perfect, operating stability is good, long service life's characteristics. The problem of universal oil-saving grease filling in-process grease overflow too early and old grease mix and lead to the lubricated effect to reduce is solved. The universal joint is prevented from losing efficacy in advance due to the fact that grease overflows from the oil seal in the filling process and the lubricating effect is reduced due to mixing of the grease, and therefore the service life of the universal joint is effectively prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross sectional view of the structure of the cross shaft of the present invention.

Fig. 3 is a structural sectional view of the oil pipe of the present invention.

Fig. 4 is a schematic structural diagram of the gasket according to the present invention.

Fig. 5 is a structural sectional view of the gasket of the present invention.

In the figure: the oil seal structure comprises a cross shaft 1, a bearing assembly 2, a dust cover 3, an oil seal 4, a roller pin 5, a gasket 6, an oil through vertical pipe 7, a bearing ring 8, a double-end oil nozzle 9, a counter bore 10, a groove hole 11, a through hole 12, an oil filling hole 13, an upper oil duct 14, a vertical pipe boss 15, a lower oil duct 16, a gasket outer ring boss 17, a gasket disc 18, an oil groove 19 and a gasket central hole 20.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1-5, a universal joint with a waste oil recovery structure comprises a cross shaft 1, wherein the cross shaft 1 is provided with a bearing assembly 2 which is connected with the cross shaft 1 in a nested manner, the bearing assembly 2 comprises a

bearing ring

8, 16 rolling needles 5 which are distributed in an annular manner are arranged between the inner wall of the bearing ring 8 and the cross shaft 1, the front end of each rolling needle 5 is provided with an oil seal 4 which is connected with the cross shaft 1 and the bearing ring 8 in a sealed and embedded manner, and the front end of each oil seal 4 is provided with a bottom end dust cover 3 which is connected with the bearing ring 8 in a clamped and embedded manner. The bottom of the bearing ring 8 is provided with a gasket 6 which is connected with the oil through vertical pipe 7 in a nesting way. The gasket 6 comprises a gasket disc 18, a gasket outer ring boss 17 integrated with the gasket disc 18 is arranged between the gasket disc 18 and the roller pin 5, a gasket central hole 20 communicated with the oil through vertical pipe 7 in a nested manner is arranged in the

gasket disc

18, and 10 oil grooves 19 which are distributed annularly and are positioned on two end faces of the gasket disc 18 are respectively arranged in the gasket outer ring boss 17. A through hole 12 is arranged in the cross shaft 1, an oil filling hole 13 communicated with the through hole 12 is arranged at the upper end of the cross shaft 1, and a double-end oil nozzle 9 which is in threaded sleeve connection with the oil filling hole 13 is arranged at the upper end of the cross shaft 1. Counter bores 10 are arranged at two ends of the through hole 12, a groove hole 11 is formed between the counter bores 10 and the through hole 12, and an oil-through vertical pipe 7 which is in inserted-embedded sleeve connection with the through hole 12 is arranged between the bearing assembly 2 and the through hole 12. The oil-through vertical pipe 7 comprises a vertical pipe boss 15 which is sleeved with the groove hole 11 in an interference fit manner, an upper oil duct 14 which is sleeved with the through hole 12 in an interference fit manner is arranged at the upper end of the vertical pipe boss 15, and a lower oil duct 16 which is nested and connected with the gasket 6 is arranged at the lower end of the vertical pipe boss 15.

In conclusion, the universal joint with the waste oil recovery structure has the characteristics of complete structure, good operation stability and long service life. The problem of universal oil-saving grease filling in-process grease overflow too early and old grease mix and lead to the lubricated effect to reduce is solved. The universal joint is prevented from losing efficacy in advance due to the fact that grease overflows from the oil seal in the filling process and the lubricating effect is reduced due to mixing of the grease, and therefore the service life of the universal joint is effectively prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a from universal joint of taking waste oil recovery structure which characterized in that: including universal joint pin (1), universal joint pin (1) on all be equipped with bearing assembly (2) with universal joint pin (1) looks nested connection, universal joint pin (1) in be equipped with through-hole (12), through-hole (12) both ends all be equipped with counter bore (10), counter bore (10) and through-hole (12) between be equipped with recess hole (11), bearing assembly (2) and through-hole (12) between be equipped with and insert oil riser (7) that the formula cup jointed mutually with through-hole (12).

2. The universal joint with the waste oil recovery structure as claimed in claim 1, wherein: the bearing assembly (2) comprises a bearing ring (8), a plurality of rolling needles (5) which are distributed annularly are arranged between the inner wall of the bearing ring (8) and the cross shaft (1), an oil seal (4) which is hermetically clamped and sleeved with the cross shaft (1) and the bearing ring (8) is arranged at the front end of each rolling needle (5), and a gasket (6) which is connected with the oil through vertical pipe (7) in a nested manner is arranged at the bottom of the bearing ring (8).

3. The universal joint with the waste oil recovery structure as claimed in claim 2, wherein: the front end of the oil seal (4) is provided with a bottom end dust cover (3) which is in nested connection with the bearing ring (8).

4. The universal joint with the waste oil recovery structure as claimed in claim 2, wherein: the oil-through vertical pipe (7) comprises a vertical pipe boss (15) which is sleeved with the groove hole (11) in an interference fit manner, an upper oil duct (14) which is sleeved with the through hole (12) in an interference fit manner is arranged at the upper end of the vertical pipe boss (15), and a lower oil duct (16) which is nested with the gasket (6) is arranged at the lower end of the vertical pipe boss (15).

5. The universal joint with the waste oil recovery structure as claimed in claim 4, wherein: the gasket (6) comprises a gasket disc (18), a gasket outer ring boss (17) integrated with the gasket disc (18) is arranged between the gasket disc (18) and the roller pin (5), a gasket center hole (20) communicated with the oil through vertical pipe (7) in a nested mode is formed in the gasket disc (18), and a plurality of oil grooves (19) which are distributed in an annular mode and located on two end faces of the gasket disc (18) are formed in the gasket outer ring boss (17).

6. The universal joint with the waste oil recovery structure as claimed in claim 1, wherein: cross axle (1) upper end be equipped with oil filler point (13) that are linked together with through-hole (12), cross axle (1) upper end be equipped with oil filler point (13) looks screw thread formula cup joint fixed double-end glib talker (9).