CN212318553U

CN212318553U - Waterproof dustproof split type bearing frame

Info

Publication number: CN212318553U
Application number: CN202020518764.0U
Authority: CN
Inventors: 张家勇; 侯磊; 郭川菊
Original assignee: Hefei Renda Technology Co ltd
Current assignee: Hefei Renda Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-01-08
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a waterproof and dustproof split type bearing seat, which comprises a base, a lower retainer ring, an upper retainer ring and a bearing; the base is fixedly connected with the lower retainer ring; the bearing is arranged on the inner sides of the lower clamping ring and the upper clamping ring and comprises an outer ring, an inner ring and a ball layer; the two ends of the lower clamping ring are provided with lower clamping plates, the two ends of the upper clamping ring are provided with upper clamping plates matched with the lower clamping plates for use, and the lower clamping plates and the upper clamping plates are detachably connected; the inner sides of the lower retainer ring and the upper retainer ring are also provided with baffle plates for shielding the ball layer; the inner side of the inner ring is provided with an annular plate, and the annular plate extends to a position between the shaft and the baffle plate and is used for separating the shaft and the baffle plate.

Description

Waterproof dustproof split type bearing frame

Technical Field

The utility model relates to a bearing frame technical field especially relates to a waterproof dustproof split type bearing frame.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

When the bearing is used, the bearing is generally arranged on equipment through the bearing seat during installation, however, the traditional bearing seat only plays a role in supporting and fixing the bearing on the rotating shaft and cannot play a role in protection, and crushed material scraps or water stains can be sputtered into the bearing seat and further enter the bearing to influence the operation of the bearing in the working process of crushing equipment such as a shredder, a crusher and the like; if too much material debris accumulates in the bearing, the operation of the bearing is greatly influenced; meanwhile, excessive material debris is accumulated, so that the bearing is seriously abraded, the service life of the bearing is shortened, the lubricating effect of lubricating oil is reduced due to the increase of the moisture content in the bearing, the bearing cannot be well lubricated, the abrasion is aggravated, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a waterproof dustproof split type bearing frame.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

a waterproof and dustproof split type bearing seat comprises a base, a lower clamping ring, an upper clamping ring and a bearing; the base is fixedly connected with the lower retainer ring; the bearing is arranged on the inner sides of the lower clamping ring and the upper clamping ring and comprises an outer ring, an inner ring and a ball layer;

the two ends of the lower clamping ring are provided with lower clamping plates, the two ends of the upper clamping ring are provided with upper clamping plates matched with the lower clamping plates for use, and the lower clamping plates and the upper clamping plates are detachably connected;

the inner sides of the lower retainer ring and the upper retainer ring are also provided with baffle plates for shielding the ball layer; the inner side of the inner ring is provided with an annular plate, and the annular plate extends to a position between the shaft and the baffle plate and is used for separating the shaft and the baffle plate.

As an improvement of the technical scheme, one side of the annular plate, which is close to the baffle, is provided with a bulge, and the bulge direction is from the inner ring to the outer ring.

As an improvement of the technical scheme, the inner sides of the lower clamping ring and the upper clamping ring are provided with clamping grooves, the clamping grooves are used for clamping the baffle, and the clamping grooves are internally provided with rubber layers, so that the clamping grooves are in interference fit with the baffle.

As an improvement of the technical scheme, the upper retainer ring is provided with an oil filling nozzle which is communicated with the ball layer.

As an improvement of the technical scheme, the side wall of the inner ring is provided with a groove, and the baffle is provided with a convex strip in clearance fit with the groove.

The utility model has the advantages that: under the action of the annular plate, the bulges and the baffle plate, a channel for communicating the ball bearing layer with the outside is U-shaped, so that the dustproof and waterproof effects are achieved; meanwhile, the direction of dust or water vapor just entering the U-shaped channel is towards the direction of the shaft, so that when the shaft rotates, centrifugal force is generated, the dust or the water vapor is not easy to enter, or the dust or the water vapor entering the U-shaped channel is thrown out of the U-shaped channel under the action of the centrifugal force, and the waterproof and dustproof effects are enhanced.

Drawings

FIG. 1 is a schematic structural view of a waterproof and dustproof split type bearing seat according to an embodiment of the present invention when a baffle and a protrusion are installed;

FIG. 2 is a schematic structural view of the waterproof and dustproof split type bearing seat of the embodiment of the present invention when no baffle or protrusion is installed;

fig. 3 is a schematic sectional structure view of a waterproof and dustproof split type bearing seat according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of region A in FIG. 3;

the oil injection nozzle comprises a base 11, a lower clamping ring 12, an upper clamping ring 13, a lower clamping plate 14, an upper clamping plate 15, a clamping groove 16, an oil injection nozzle 17, an outer ring 21, an inner ring 22, a ball layer 23, a groove 24, a baffle 30, a convex strip 31, an annular plate 40 and a protrusion 41.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1 and fig. 2, the waterproof and dustproof split bearing seat of the present embodiment includes a base 11, a lower collar 12, an upper collar 13, and a bearing; the base 11 is fixedly connected with the lower clamping ring 12; the bearing is arranged on the inner sides of the lower clamping ring 12 and the upper clamping ring 13 and comprises an outer ring 21, an inner ring 22 and a ball layer 23; one side of the bearing seat is sealed by a sealing plate, and the other side of the bearing seat is connected with a shaft through a bearing;

two ends of the lower clamping ring 12 are provided with lower clamping plates 14, two ends of the upper clamping ring 13 are provided with upper clamping plates 15 matched with the lower clamping plates 14 for use, and the lower clamping plates 14 are detachably connected with the upper clamping plates 15;

the inner sides of the lower retainer ring 12 and the upper retainer ring 13 are also provided with a baffle 30 for shielding the ball layer 23; an annular plate 40 is arranged on the inner side of the inner ring 22, and the annular plate 40 extends to the position between the shaft and the baffle 30 and is used for separating the shaft and the baffle 30; the annular plate 40 is fixedly connected to the inner ring 22 and to the shaft, and the inner ring 22 of the bearing and the annular plate 40 rotate together with the shaft when the shaft rotates.

The annular plate 40 is provided with a protrusion 41 on one side close to the baffle 30, and the protrusion direction of the protrusion 41 is from the inner ring 22 to the outer ring 21.

Under the action of the annular plate 40, the bulge 41 and the baffle 30, a channel for communicating the ball layer 23 with the outside is U-shaped, so that the dustproof and waterproof effects are achieved; meanwhile, the direction of dust or water vapor just entering the U-shaped channel is towards the direction of the shaft, so that when the shaft rotates, centrifugal force is generated, the dust or the water vapor is not easy to enter, or the dust or the water vapor entering the U-shaped channel is thrown out of the U-shaped channel under the action of the centrifugal force, and the waterproof and dustproof effects are enhanced.

The inner sides of the lower retainer ring 12 and the upper retainer ring 13 are provided with a clamp groove 16, the clamp groove 16 is used for clamping a baffle 30, and a rubber layer is arranged in the clamp groove 16, so that the clamp groove 16 is in interference fit with the baffle 30; the clamping groove 16 is arranged, so that the baffle 30 is tightly contacted with the lower clamping ring 12 and the upper clamping ring 13 to enter and exit, the dustproof and waterproof effects are realized, and meanwhile, a rubber layer is arranged between the clamping groove 16 and the baffle 30 and is in interference fit with the baffle 30, and the sealing property is enhanced.

The upper collar 13 is provided with an oil filling nozzle 17, and the oil filling nozzle 17 is communicated with the ball layer 23; lubricating oil can be fed into the bearing through the oil nipple 17; meanwhile, lubricating oil can enter the U-shaped channel through the ball layer 23, lubricating oil can be accumulated on one side of the U-shaped channel close to the bearing to play a role in dust prevention and water prevention, lubricating oil cannot be accumulated on one side of the U-shaped channel communicated with the outside under the action of centrifugal force, and if the lubricating oil is added too much, the lubricating oil can be thrown out of the U-shaped channel, so that the lubricating oil is fully added into the bearing when the lubricating oil is added to the shaft to rotate, and the condition that the lubricating oil is not added enough or is added excessively is avoided.

A groove 24 is formed in the side wall of the inner ring 22, and a convex strip 31 in clearance fit with the groove 24 is arranged on the baffle 30; the clearance fit of the groove 24 and the convex strip 31 increases the air tightness and has better waterproof and dustproof effects.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a waterproof dustproof split type bearing frame which characterized in that: comprises a base (11), a lower clamping ring (12), an upper clamping ring (13) and a bearing; the base (11) is fixedly connected with the lower clamping ring (12); the bearing is arranged on the inner sides of the lower clamping ring (12) and the upper clamping ring (13), and comprises an outer ring (21), an inner ring (22) and a ball layer (23);

the clamping device is characterized in that lower clamping plates (14) are arranged at two ends of the lower clamping ring (12), upper clamping plates (15) matched with the lower clamping plates (14) for use are arranged at two ends of the upper clamping ring (13), and the lower clamping plates (14) and the upper clamping plates (15) are detachably connected;

the inner sides of the lower clamping ring (12) and the upper clamping ring (13) are also provided with a baffle (30) for shielding the ball layer (23); an annular plate (40) is arranged on the inner side of the inner ring (22), and the annular plate (40) extends to a position between the shaft and the baffle plate (30) and is used for separating the shaft and the baffle plate (30); one side, close to the baffle (30), of the annular plate (40) is provided with a bulge (41), and the bulge direction of the bulge (41) is from the inner ring (22) to the outer ring (21).

2. The waterproof dustproof split type bearing seat of claim 1, characterized in that: the inner sides of the lower clamping ring (12) and the upper clamping ring (13) are provided with clamping grooves (16), the clamping grooves (16) are used for clamping the baffle (30), and rubber layers are arranged in the clamping grooves (16) to enable the clamping grooves (16) to be in interference fit with the baffle (30).

3. The waterproof dustproof split type bearing seat of claim 1, characterized in that: the side wall of the inner ring (22) is provided with a groove (24), and the baffle (30) is provided with a convex strip (31) in clearance fit with the groove (24).

4. The waterproof and dustproof split type bearing seat according to claim 2 or 3, characterized in that: the upper collar (13) is provided with an oil filling nozzle (17), and the oil filling nozzle (17) is communicated with the ball layer (23).