CN216691854U

CN216691854U - Probing type bearing sealing assembly

Info

Publication number: CN216691854U
Application number: CN202123405768.1U
Authority: CN
Inventors: 郭炎平
Original assignee: Hangzhou Qida Technology Co ltd
Current assignee: Hangzhou Qida Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a probing type bearing sealing assembly which comprises a main rotating shaft, wherein the main rotating shaft can be divided into a cylindrical surface and a conical surface according to the structure, mounting shafts are symmetrically arranged on the cylindrical surface, an oil inlet steel shaft is clamped between the mounting shafts, a plurality of first balls are arranged between the oil inlet steel shaft and the cylindrical surface in a sliding mode, rolling shafts are arranged on the conical surface in a circular array mode, clamping covers are respectively sleeved on the conical surface, universal balls are movably arranged on the side walls of the clamping covers and the main rotating shaft in a tangent mode, and the clamping covers are clamped on the mounting shafts in a clamping mode. The utility model discloses a pair of formula bearing seal assembly probes into, through being divided into cylinder and two conical surfaces with main pivot, make installation axle and the solid cover of card can great contact in main pivot, make first ball and roller bearing can all stand its pressure and frictional force to main pivot to increase its life, install axle and the solid cover of card simultaneously and can the great degree seal main pivot make the lubricating oil of its filling longer time can remain.

Description

Probing type bearing sealing assembly

Technical Field

The utility model relates to a probing type bearing sealing assembly.

Background

The bearing, as an important part in modern mechanical equipment, is used for supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body, so that the quality, the structure and the wear resistance of the bearing determine the service life of the bearing.

According to patent number CN201822000515.8, a formula of probing bearing seal assembly is disclosed, seal assembly one end is embedded into the bearing inner race internal diameter, and the other end extends to the bearing inner race external diameter, the bearing inner race external diameter sets up the slot, and one side that seal assembly is close to the bearing inner race is provided with first seal lip and second seal lip, first seal lip and bearing inner race external diameter clearance fit, and the second seal lip stretches into the ditch inslot to the lateral wall and the contact cooperation of slot lateral wall of second seal lip.

For current bearing, mostly constitute through a pivot of fixed axle and the ball of installing between fixed axle and pivot, it can solve the wearing and tearing between pivot and the machinery to a certain extent, but its simple structure, in some multidirectional moving's subassembly, it is great to the wearing and tearing of lateral wall and ball, and ordinary bearing can't bear such great wearing and tearing, and has great space between the ball, and the lubricating oil of annotating runs off soon.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a probing type bearing sealing assembly, which solves the problems that a common bearing is large in abrasion on multiple aspects of the bearing in multiple motion machines, lubricating oil is easy to run off and the like.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a visit formula bearing seal assembly, includes the main rotating shaft, the main rotating shaft can divide into cylinder and conical surface according to the structure, the installation axle is installed to the symmetry on the cylinder, and the joint has the oil feed steel axle between the installation axle, it is provided with a plurality of first balls to slide between oil feed steel axle and the cylinder, circular array is provided with the roller bearing on the conical surface, cup jointed the solid cover of card respectively on the conical surface, it is tangent that the solid cover of card sets up universal ball with the activity on the lateral wall of main rotating shaft, and the solid cover of card blocks in installation epaxially.

Preferably, the conical surface is respectively provided with a first rolling groove in a circular array, the first rolling grooves are respectively internally and axially provided with rolling shafts in a rotating manner, the cylindrical surface is provided with a second rolling groove, the first rolling balls are arranged in the second rolling grooves in a rolling manner, and the two sides of the main rotating shaft are coaxial and are provided with universal rolling balls in a circular array.

Preferably, the mounting shaft is provided with main mounting holes in a circular array, the outer wall of the mounting shaft on one side of the clamping cover is provided with a clamping cover groove, and the outer wall of the mounting shaft on one side of the oil inlet steel shaft is provided with an oil inlet clamping groove.

Preferably, auxiliary mounting holes are formed in the circular array of the port of the clamping cover, the clamping cover is mounted in the clamping cover groove, and the auxiliary mounting holes are matched with the main mounting holes and are mounted and fixed through bolts.

Preferably, the two sides of the oil inlet steel shaft are respectively provided with a first bump, the first bumps are clamped in the oil inlet clamping grooves, the oil inlet steel shaft is provided with an oil inlet groove, and a plug block is movably arranged in the oil inlet groove.

Preferably, the two sides of the chock are respectively provided with a clamping piece, an oil inlet clamping piece is arranged on the clamping piece and clamped in an oil inlet groove formed in the oil inlet steel shaft, a pressing piece is movably arranged in the chock and connected to the clamping piece through a flexible connecting strip arranged in the chock.

Preferably, the flexible connecting strip is a flexible plastic strip.

In the technical scheme, the probing type bearing sealing assembly provided by the utility model has the following beneficial effects: the main rotating shaft is divided into the cylindrical surface and the two conical surfaces, so that the mounting shaft and the clamping and fixing cover can be in large contact with the main rotating shaft, the first ball and the rolling shaft can share the pressure and the friction force of the first ball and the rolling shaft on the main rotating shaft, the service life of the main rotating shaft is prolonged, meanwhile, the mounting shaft and the clamping and fixing cover can seal the main rotating shaft to a large extent, so that the filled lubricating oil can be reserved for a long time, the universal ball rolling friction is movably arranged on the side walls of the clamping and fixing cover and the main rotating shaft, the transverse friction force of the main rotating shaft is reduced, and the large-degree abrasion of machinery in multiple motion directions on the main rotating shaft is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic view of an exploded structure of a main rotating shaft according to an embodiment of the present invention;

FIG. 2 is a schematic view of an overall structure of a main shaft according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a main shaft according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a section of an oil inlet steel shaft provided by an embodiment of the utility model;

FIG. 5 is a schematic diagram of a clamping cover according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional structure diagram of a stopper according to an embodiment of the present invention.

Description of reference numerals:

1. a main rotating shaft; 2. installing a shaft; 3. a clamping cover; 4. feeding oil into the steel shaft; 5. a first ball bearing; 6. a ball transfer unit; 11. a conical surface; 12. a cylindrical surface; 21. a main mounting hole; 22. an oil inlet clamping groove; 23. a clamping cover groove; 31. auxiliary mounting holes; 41. a chock block; 42. briquetting; 43. a flexible connecting strip; 44. a card; 45. a first bump; 46. an oil inlet groove; 47. an oil inlet groove; 48. an oil inlet clamping block; 111. a first roll groove; 112. a roller; 121. and a second rolling groove.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, a probing type bearing sealing assembly includes a main rotating shaft 1, the main rotating shaft 1 can be divided into a cylindrical surface 12 and a conical surface 11 according to the structure, mounting shafts 2 are symmetrically mounted on the cylindrical surface 12, an oil inlet steel shaft 4 is clamped between the mounting shafts 2, a plurality of first balls 5 are slidably disposed between the oil inlet steel shaft 4 and the cylindrical surface 12, rolling shafts 112 are disposed on the conical surface 11 in a circular array, clamping covers 3 are respectively sleeved on the conical surface 11, the clamping covers 3 are tangent to universal balls 6 movably disposed on the side walls of the main rotating shaft 1, and the clamping covers 3 are clamped on the mounting shafts 2. The main rotating shaft 1 is divided into the cylindrical surface 12 and the two conical surfaces 11, so that the mounting shaft 2 and the clamping cover 3 can be in large contact with the main rotating shaft 1, the first ball 5 and the roller 112 can share the pressure and the friction force of the clamping cover on the main rotating shaft 1, the service life of the clamping cover is prolonged, meanwhile, the mounting shaft 2 and the clamping cover 3 can seal the main rotating shaft 1 to a large extent to keep the filled lubricating oil for a long time, the universal ball 6 is movably arranged on the side walls of the clamping cover 3 and the main rotating shaft 1 to roll and rub, the transverse friction force of the main rotating shaft 1 is reduced, and the large abrasion of the main rotating shaft 1 caused by machinery in multiple motion directions is reduced.

As shown in fig. 1, as a further technical solution provided by the present invention, in order to increase the rolling contact surfaces of the main rotating shaft 1, the mounting shaft 2 and the clamping cover 3, first rolling grooves 111 are respectively formed in a circular array on the tapered surface 11, rolling shafts 112 are respectively axially and rotatably disposed in the first rolling grooves 111, the number of the first rolling grooves 111 and the number of the rolling shafts 112 can be adjusted according to actual conditions, second rolling grooves 121 are formed on the cylindrical surface 12, the first rolling balls 5 are rollably disposed in the second rolling grooves 121, the number of the first rolling balls 5 can be adjusted according to actual conditions, and meanwhile, in order to reduce the damage to the main rotating shaft 1 caused by the transverse friction force of the multi-motion-direction machine on the main rotating shaft 1, universal rolling balls 6 are coaxially disposed on both sides of the main rotating shaft 1, and are in a circular array, and the universal rolling balls 6 can be a bull's-eye wheel, and the bull's-eye wheel can be mounted on the main rotating shaft 1 through a matching fixture block.

Further, be provided with installation axle 2 on main pivot 1's cylinder 12, two oil feed draw-in grooves 22 on installing axle 2 block solid to first lug 45 on oil feed steel shaft 4 both sides, make its easy to assemble, the inner wall contact in first ball 5 of oil feed steel shaft 4 simultaneously, in order to seal main pivot 1's conical surface 11, prevent that lubricating oil from revealing, and persist main pivot 1 for a long time, block solid cover 3 mountable is in installing axle 2 and is located the outer wall of blocking solid cover 3 one side and seted up in blocking cover recess 23, make simultaneously on installing axle 2 circular array seted up main mounting hole 21 and the port circular array of blocking solid cover 3 seted up and assist mounting hole 31 phase-match, and fix through the bolt installation.

Furthermore, in order to fill the main rotating shaft 1 with lubricant, the oil inlet steel shaft 4 is provided with an oil inlet groove 46, the oil inlet groove 46 can enable the lubricant to flow to the conical surfaces 11 on the two sides of the main rotating shaft 1 and the first ball 5, and meanwhile, in order to seal the oil inlet groove 46, a plug block 41 is movably arranged in the oil inlet groove 46.

As shown in fig. 6, two sides of the plunger 41 are respectively provided with a card 44, the card 44 is a rigid elastic sheet or a plastic elastic sheet, the card 44 is provided with an oil inlet clamping block 48, the two oil inlet clamping blocks 48 are attached to the plunger 41 by pressing, so that the plunger 41 is conveniently placed in the oil inlet groove 46, the oil inlet clamping block 48 is released, the oil inlet clamping block 48 on the card 44 is clamped in the oil inlet groove 47 arranged on the oil inlet steel shaft 4 along with the movement of the plunger 41 into the oil inlet groove 46, the plunger 41 is fixed in the oil inlet groove 46 to seal the oil inlet groove 46, the pressing block 42 is movably arranged in the plunger 41, the pressing block 42 is connected to the card 44 through a flexible connecting strip 43 arranged in the plunger 41, the flexible connecting strip 43 can be a flexible plastic strip, by pressing the pressing block 42 downwards, the flexible connecting strip 43 drives the oil inlet clamping block 48 on the card 44 to be separated from the oil inlet groove 47, at this time, the plug 41 can be taken out of the oil feed groove 46.

The working principle is as follows: two oil inlet clamping grooves 22 on the mounting shaft 2 clamp and fix first bumps 45 on two sides of an oil inlet steel shaft 4 so as to seal a cylindrical surface 12 of a main rotating shaft 1, meanwhile, the fixed oil inlet steel shaft 4 is contacted with first balls 5, a clamping and fixing cover 3 is arranged on the outer wall of the mounting shaft 2 on one side of the clamping and fixing cover 3 and is provided with a clamping and fixing groove 23, meanwhile, a main mounting hole 21 is formed in a circular array on the mounting shaft 2 and is matched with an auxiliary mounting hole 31 formed in a port circular array of the clamping and fixing cover 3, and the main rotating shaft 1 is fixedly mounted through bolts, at the moment, the main rotating shaft 1 is in a sealing package, the first balls 5 on the cylindrical surface 12 and rolling shafts 112 on a conical surface 11 are contacted with the oil inlet steel shaft 4 and the clamping and fixing cover 3 to bear the friction force caused by machinery to the main rotating shaft 1 and the abrasion to the first balls 5, and the universal rolling balls 6 reduce the damage to the main rotating shaft 1 caused by the transverse friction force caused by the machinery in multiple motion directions, the two oil inlet clamping blocks 48 are attached to the plug block 41 by pressing the two oil inlet clamping blocks 48, so that the plug block 41 is conveniently placed in the oil inlet groove 46, the oil inlet clamping blocks 48 are loosened, the oil inlet clamping blocks 48 on the plug block 44 are clamped in the oil inlet grooves 47 formed in the oil inlet steel shaft 4 along with the movement of the plug block 41 into the oil inlet groove 46, the plug block 41 seals the oil inlet groove 46, when lubricating oil needs to be filled, the pressing block 42 is connected to the plug block 44 through the flexible connecting strips 43 arranged in the plug block 41, the flexible connecting strips 43 can be flexible plastic strips, the flexible connecting strips 43 drive the oil inlet clamping blocks 48 on the plug block 44 to be separated from the oil inlet grooves 47 by pressing the pressing block 42 downwards, and at the moment, the plug block 41 can be taken out of the oil inlet groove 46 and filled with the lubricating oil.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a probing type bearing seal assembly, its characterized in that includes main rotating shaft (1), main rotating shaft (1) can be divided into cylinder (12) and conical surface (11) according to the structure, installation axle (2) are installed to the symmetry on cylinder (12), and the joint has oil feed steel axle (4) between installation axle (2), it is provided with a plurality of first balls (5) to slide between oil feed steel axle (4) and cylinder (12), circular array is provided with roller bearing (112) on conical surface (11), solid cover of card (3) has been cup jointed on conical surface (11) respectively, it is tangent that the activity sets up universal ball (6) on the lateral wall of solid cover of card (3) and main rotating shaft (1), and solid cover of card (3) card is fixed on installation axle (2).

2. The penetrating bearing seal assembly according to claim 1, wherein the conical surface (11) is provided with first rolling grooves (111) in a circular array, the first rolling grooves (111) are respectively provided with rolling shafts (112) in an axial rotating manner, the cylindrical surface (12) is provided with second rolling grooves (121), the first balls (5) are arranged in the second rolling grooves (121) in a rolling manner, and the main rotating shaft (1) is coaxial on two sides and provided with universal balls (6) in a circular array.

3. The penetrating bearing seal assembly according to claim 1, wherein the mounting shaft (2) is provided with main mounting holes (21) in a circular array, the outer wall of the mounting shaft (2) on one side of the clamping cover (3) is provided with a clamping cover groove (23), and the outer wall of the mounting shaft (2) on one side of the oil inlet steel shaft (4) is provided with an oil inlet clamping groove (22).

4. The penetrating bearing seal assembly of claim 3, wherein the clamping cover (3) is provided with auxiliary mounting holes (31) in a circular array at the end port, the clamping cover (3) is mounted in the clamping cover groove (23), and the auxiliary mounting holes (31) are matched with the main mounting holes (21) and are fixed by bolts.

5. The probing type bearing sealing assembly according to claim 3, wherein first protrusions (45) are respectively arranged on two sides of the oil inlet steel shaft (4), the first protrusions (45) are clamped in the oil inlet clamping grooves (22), an oil inlet groove (46) is formed in the oil inlet steel shaft (4), and a plug block (41) is movably arranged in the oil inlet groove (46).

6. The penetrating bearing seal assembly according to claim 5, wherein clamping pieces (44) are respectively arranged on two sides of the plug block (41), an oil inlet clamping piece (48) is arranged on each clamping piece (44), the oil inlet clamping piece (48) is clamped in an oil inlet groove (47) formed in the oil inlet steel shaft (4), a pressing piece (42) is movably arranged in the plug block (41), and the pressing piece (42) is connected to the clamping pieces (44) through a flexible connecting strip (43) arranged in the plug block (41).

7. Penetrating bearing seal assembly according to claim 6, wherein said flexible connecting strip (43) is a flexible plastic strip.