CN217873406U

CN217873406U - Oil lubrication fan shaft component

Info

Publication number: CN217873406U
Application number: CN202222070438.XU
Authority: CN
Inventors: 翁涛
Original assignee: Shanghai Beixu Automotive Technology Co ltd
Current assignee: Shanghai Beixu Automotive Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-22
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses an oil lubrication fan shaft part, including the bearing frame, the inner chamber of bearing frame is provided with the fan axle, the surface cover of fan axle is equipped with the apron, the top cover of apron is equipped with the bolt, the bottom of bolt and the top threaded connection of bearing frame, the pot head that the fan axle is located bearing frame inner chamber is equipped with the spacer. The utility model discloses a fan axle, the apron, the bearing frame, the spacer, first O type circle, circlip is used to the axle, hole circlip, cylindrical roller bearing, deep groove ball bearing, second O type circle, the oil blanket, the bolt, the cooperation of oil gallery and inlet port is used, can lubricate the bearing through the lubricating oil of introducing engine lubrication system, good lubricating property has been played, and this product possesses good sealing performance simultaneously, can avoid revealing of lubricating oil, thereby can guarantee fan shaft part's good cooling heat dispersion, and then prolonged the life of this product.

Description

Oil lubrication fan shaft component

Technical Field

The utility model relates to the technical field of engines, specifically be an oil lubrication fan shaft spare.

Background

The fan shaft part is the key part in the engine cooling lubrication system, when fan shaft part appears unusually, engine temperature rises, the engine can not normally work, marine power engine has higher requirement for the life-span of fan shaft part, the bearing is as the key part in the fan shaft part, its life-span determines the life-span of fan shaft part, the lubricated mode of bearing has grease lubrication and oil lubrication, in order to realize the oil lubrication of the inside bearing of fan shaft part, fan shaft part lubricates the bearing through the lubricating oil of introducing engine lubrication system, this just requires fan shaft part self to need good sealing performance, so need to put forward a high leakproofness can improve life's oil lubrication fan shaft part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil lubrication fan shaft spare possesses convenient to use's advantage, has solved the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil lubrication fan shaft part, includes the bearing frame, the inner chamber of bearing frame is provided with the fan axle, the surperficial cover of fan axle is equipped with the apron, the top cover of apron is equipped with the bolt, the top threaded connection of the bottom of bolt and bearing frame, the pot head that the fan axle is located the bearing frame inner chamber is equipped with the spacer sleeve, the bottom cover of bearing frame is equipped with first O type circle, the left pot head that the fan axle is located the bearing frame inner chamber is equipped with deep groove ball bearing, the one end that the fan axle is located the bearing frame inner chamber just is located deep groove ball bearing's left side cover and establishes porose circlip, hole circlip's surface cover is equipped with axle circlip, the right-hand member cover that the fan axle is located the bearing frame inner chamber is equipped with cylindrical roller bearing, the surface cover of apron is equipped with second O type circle, the surface cover of fan axle is equipped with the oil blanket, the surface of oil blanket and the inner wall contact of apron.

Preferably, the fan shaft is of a multi-step structure, the shaft shoulder is used for positioning the cylindrical roller bearing, and two end faces of the fan shaft are designed to be tip holes.

Preferably, the surface of the fan shaft is provided with a retainer groove for accommodating a circlip for the shaft.

Preferably, one side of the fan shaft, which is in contact with the oil seal, is used for mounting the fan, and the roughness of the contact part between the fan shaft and the oil seal requires Ra to be less than or equal to 0.8.

Preferably, the bottom of the bearing seat is provided with a first positioning step connected with the engine cylinder body, the first positioning step is provided with a first annular groove for mounting a first O-shaped ring, the positioning side of the bearing seat is provided with a mounting hole, and the inner cavity of the mounting hole is connected with the engine cylinder body through a bolt.

Preferably, the inner side of the inner cavity of the bearing seat is provided with mounting holes for mounting the cylindrical roller bearing and the deep groove ball bearing, and the outer rings of the cylindrical roller bearing and the deep groove ball bearing are in interference fit with the bearing seat.

Preferably, an oil return hole is formed in the top of one side of the inner cavity of the bearing seat, an oil inlet hole is formed in the bottom of one side of the surface of the bearing seat, and the oil inlet hole is connected through threads.

Preferably, the bottom of apron is provided with second location step, is provided with the second ring channel on the second location step for install second O type circle, and the top of apron is provided with the oil blanket hole coaxial with second location step, oil blanket hole and oil blanket interference fit, the oil blanket adopts the fluororubber material, the fan axle is at the rotation in-process, and fan axle and oil blanket inner lip contact position form the dynamic seal structure.

Preferably, the joint surface of the cover plate and the bearing seat is designed by coating a sealant.

Preferably, the fan shaft, the cylindrical roller bearing, the deep groove ball bearing, the spacer bush, the cover plate, the oil seal and the elastic retainer ring for the shaft are coaxial.

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

1. the utility model discloses a fan axle, the apron, the bearing frame, the spacer, first O type circle, circlip is used to the axle, hole circlip, cylindrical roller bearing, deep groove ball bearing, second O type circle, the oil blanket, the bolt, the cooperation of oil gallery and inlet port is used, can lubricate the bearing through the lubricating oil of introducing engine lubrication system, good lubricating property has been played, and this product possesses good sealing performance simultaneously, can avoid revealing of lubricating oil, thereby can guarantee fan shaft part's good cooling heat dispersion, and then prolonged the life of this product.

2. The utility model discloses a setting in apex hole can ensure that grinding man-hour fan axle and bearing inner circle cooperation position and fan axle and oil blanket contact site axiality, through scribbling sealed glue, can improve sealing performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a perspective view of the bearing seat of the present invention.

In the figure: 1. a fan shaft; 2. a cover plate; 3. a bearing seat; 4. a spacer bush; 5. a first O-ring; 6. a circlip for the shaft; 7. a circlip for a hole; 8. a deep groove ball bearing; 9. a cylindrical roller bearing; 10. a second O-ring; 11. oil sealing; 12. a bolt; 13. an oil return hole; 14. an oil inlet hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The components of the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are all known by the technicians through technical manuals or through conventional experimental methods.

Referring to fig. 1-4, an oil-lubricated fan shaft component comprises a bearing seat 3, a first positioning step at a connecting part with an engine cylinder body is arranged at the bottom of the bearing seat 3, a first annular groove is arranged on the first positioning step and used for installing a first O-ring 5, a mounting hole is arranged at a positioning side of the bearing seat 3, an inner cavity of the mounting hole is connected with the engine cylinder body through a bolt 12, a mounting hole for installing a deep groove ball bearing 8 and a cylindrical roller bearing 9 is arranged at the inner side of the inner cavity of the bearing seat 3, outer rings of the deep groove ball bearing 8 and the cylindrical roller bearing 9 are in interference fit with the bearing seat 3, an oil return hole 13 is arranged at the top of one side of the inner cavity of the bearing seat 3, an oil inlet hole 14 is arranged at the bottom of one side of the surface of the bearing seat 3, the oil inlet hole 14 is in threaded connection, a fan shaft 1 is arranged in the inner cavity of the bearing seat 3, the fan shaft 1 is of a multi-step structure, and is used for positioning the cylindrical roller bearing 9, the two end faces of the fan shaft 1 are designed to be tip holes, a retaining ring groove is formed in the surface of the fan shaft 1 and used for placing an elastic retaining ring 6 for the shaft, one side, in contact with an oil seal 11, of the fan shaft 1 is used for installing a fan, the roughness requirement Ra of the contact part of the fan shaft 1 and the oil seal 11 is smaller than or equal to 0.8, a cover plate 2 is sleeved on the surface of the fan shaft 1, a bolt 12 is sleeved on the top of the cover plate 2, the bottom of the bolt 12 is in threaded connection with the top of a bearing seat 3, a second positioning step is arranged at the bottom of the cover plate 2, a second annular groove is formed in the second positioning step and used for installing a second O-shaped ring 10, an oil sealing hole coaxial with the second positioning step is formed in the top of the cover plate 2, the oil sealing hole is in interference fit with the oil seal 11, the oil seal 11 is made of fluororubber, and the contact part of the fan shaft 1 and the inner lip of the oil seal 11 forms a dynamic sealing structure in the rotation process, the joint surface of the cover plate 2 and the bearing seat 3 adopts a sealant coating design, the coaxiality of the matching part of the fan shaft 1 and the bearing inner ring and the contact part of the fan shaft 1 and an oil seal 11 can be ensured during grinding by arranging a center hole, the sealing performance can be improved by coating sealant, one end of the fan shaft 1, which is positioned in the inner cavity of the bearing seat 3, is sleeved with a spacer sleeve 4, the bottom of the bearing seat 3 is sleeved with a first O-shaped ring 5, the left end of the fan shaft 1, which is positioned in the inner cavity of the bearing seat 3, is sleeved with a deep groove ball bearing 8, one end of the fan shaft 1, which is positioned in the inner cavity of the bearing seat 3, is sleeved with a hole elastic check ring 7, the surface of the hole elastic check ring 7 is sleeved with a shaft elastic check ring 6, the right end of the fan shaft 1, which is positioned in the inner cavity of the bearing seat 3, is sleeved with a cylindrical bearing 9, the surface of the cover plate 2 is sleeved with a second O-shaped ring 10, and the surface of the fan shaft 1 is sleeved with a roller 11, the surface of the oil seal 11 is in contact with the inner wall of the cover plate 2, the fan shaft 1, the deep groove ball bearing 8, the cylindrical roller bearing 9, the spacer 4, the cover plate 2, the oil seal 11 and the elastic collar 6 for the shaft are coaxial, the seven parts are matched through the fan shaft 1, the cover plate 2, the bearing seat 3, the spacer 4, the first O-shaped ring 5, the elastic collar 6 for the shaft, the elastic collar 7 for the hole, the deep groove ball bearing 8, the cylindrical roller bearing 9, the second O-shaped ring 10, the oil seal 11, the bolt 12, the oil return hole 13 and the oil inlet hole 14, the bearing can be lubricated by introducing lubricating oil of an engine lubricating system, good lubricating performance is achieved, the product has good sealing performance at the same time, leakage of the lubricating oil can be avoided, good cooling and heat dissipation performance of the fan shaft can be guaranteed, and the service life of the device is prolonged.

During the use, lubricating oil gets into the inner chamber of bearing frame 3 through inlet port 14 and realizes lubricating the heat dissipation cooling to spare part such as fan shaft 1, can realize good sealing performance through seal structure simultaneously, and further the lubricated heat dispersion of having guaranteed lubricating oil, and then can prolong the life of this equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An oil lubricated fan shaft component comprising a bearing housing (3), characterized in that: the inner chamber of bearing frame (3) is provided with fan axle (1), the surface cover of fan axle (1) is equipped with apron (2), the top cover of apron (2) is equipped with bolt (12), the bottom of bolt (12) and the top threaded connection of bearing frame (3), the pot head that fan axle (1) is located bearing frame (3) inner chamber is equipped with spacer (4), the bottom cover of bearing frame (3) is equipped with first O type circle (5), the left end cover that fan axle (1) is located bearing frame (3) inner chamber is equipped with deep groove ball bearing (8), the one end that fan axle (1) is located bearing frame (3) inner chamber is equipped with hole circlip (7) and is located the left side cover of deep groove ball bearing (8), the surface cover that hole is equipped with axle circlip (6), the right-hand member cover that fan axle (1) is located bearing frame (3) inner chamber is equipped with cylindrical roller bearing (9), the surface cover that apron (2) is equipped with second O type circle (10), the surface cover of fan axle (1) is equipped with oil blanket (11), the inner wall contact of apron (11) and bearing (2).

2. An oil-lubricated fan shaft component according to claim 1, wherein: the fan shaft (1) is of a multi-step structure, the shaft shoulder is used for positioning the cylindrical roller bearing (9), and two end faces of the fan shaft (1) are designed to be pointed holes.

3. An oil-lubricated fan shaft component according to claim 1, wherein: the surface of the fan shaft (1) is provided with a retainer groove for accommodating an elastic retainer ring (6) for the shaft.

4. An oil-lubricated fan shaft component according to claim 1, wherein: one side of the fan shaft (1) contacting with the oil seal (11) is used for installing a fan, and the roughness of the contact part between the fan shaft (1) and the oil seal (11) requires Ra to be less than or equal to 0.8.

5. An oil-lubricated fan shaft component according to claim 1, wherein: the engine cylinder body fixing device is characterized in that a first positioning step connected with the engine cylinder body is arranged at the bottom of the bearing seat (3), a first annular groove is formed in the first positioning step and used for installing a first O-shaped ring (5), a mounting hole is formed in the positioning side of the bearing seat (3), and the inner cavity of the mounting hole is connected with the engine cylinder body through a bolt (12).

6. An oil-lubricated fan shaft component according to claim 1, wherein: the inner cavity inner side of the bearing seat (3) is provided with a mounting hole for mounting a deep groove ball bearing (8) and a cylindrical roller bearing (9), and the outer rings of the deep groove ball bearing (8) and the cylindrical roller bearing (9) are in interference fit with the bearing seat (3).

7. An oil-lubricated fan shaft member according to claim 1, wherein: the oil return hole (13) is formed in the top of one side of the inner cavity of the bearing seat (3), the oil inlet hole (14) is formed in the bottom of one side of the surface of the bearing seat (3), and the oil inlet hole (14) is in threaded connection.

8. An oil-lubricated fan shaft component according to claim 1, wherein: the bottom of apron (2) is provided with second location step, is provided with the second ring channel on the second location step for install second O type circle (10), and the top of apron (2) is provided with the oil blanket hole coaxial with second location step, oil blanket hole and oil blanket (11) interference fit, oil blanket (11) adopt the fluororubber material, fan shaft (1) is rotating the in-process, and fan shaft (1) and oil blanket (11) inner lip contact site form and move seal structure.

9. An oil-lubricated fan shaft component according to claim 1, wherein: and the joint surface of the cover plate (2) and the bearing seat (3) adopts a sealant coating design.

10. An oil-lubricated fan shaft component according to claim 1, wherein: the fan shaft (1), the deep groove ball bearing (8), the cylindrical roller bearing (9), the spacer bush (4), the cover plate (2), the oil seal (11) and the elastic retainer ring (6) for the shaft are coaxial.