CN215923533U

CN215923533U - Dustproof and waterproof carrier roller sealing piece

Info

Publication number: CN215923533U
Application number: CN202121937140.3U
Authority: CN
Inventors: 尚同广
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-01
Anticipated expiration: 2031-08-18

Abstract

The utility model relates to a dustproof and waterproof carrier roller sealing element, which belongs to the technical field of carrier roller sealing elements and comprises a roller body, wherein a rotating shaft and bearing blocks are arranged inside the roller body, the bearing blocks are respectively arranged at two ends of the roller body, bearings are arranged on the bearing blocks, the bearing blocks and the bearings are sleeved on the rotating shaft, a check ring is arranged between the bearing blocks and the bearings, a sealing assembly is arranged on one side, away from the check ring, of the bearings, and the sealing assembly is sleeved on the rotating shaft; the sealing assembly comprises an inner sealing element, a middle sealing element and an outer sealing element, the middle sealing element is arranged in the outer sealing element, the upper end face of the inner sealing element is mutually attached to the lower end face of the outer sealing element, and the outer sealing element is arranged at two ends of the roller body and covers and fixes the roller body. According to the utility model, the sealing assembly is arranged into three layers, so that the sealing effect is good, the service life of the bearing is prolonged, and the service life of the roller body is prolonged.

Description

Dustproof and waterproof carrier roller sealing piece

Technical Field

The utility model belongs to the technical field of carrier roller sealing pieces, and particularly relates to a dustproof and waterproof carrier roller sealing piece.

Background

The bearing roller is belt conveyor's important part, can support conveyer belt and material weight, and belt conveyor is because the characteristics that conveying capacity is strong, transport distance is far away often are used for various industrial and mining enterprises, and dust stain is more in the industrial and mining enterprise, in case get into inside the bearing roller, easily pollutes the bearing for bearing wear speed, influences the smooth and easy nature of bearing roller, damages the bearing roller, increases the enterprise maintenance cost.

Therefore, the two ends of the bearing are sealed, the common mode is rubber sealing ring sealing, although the rubber sealing ring has a certain sealing effect, the wear resistance is poor, the rubber sealing ring is easy to deform when being heated, and the sealing effect is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a dustproof and waterproof carrier roller sealing element, wherein a sealing assembly is arranged into three layers, so that the sealing effect is improved, the service life of a bearing is prolonged, and the technical scheme is as follows:

the dustproof and waterproof carrier roller sealing element comprises a roller body, wherein a rotating shaft and bearing seats are arranged inside the roller body, the bearing seats are respectively arranged at two ends of the roller body, bearings are arranged on the bearing seats, the bearing seats and the bearings are sleeved on the rotating shaft, and check rings are arranged between the bearing seats and the bearings; a sealing assembly is arranged on one side of the bearing, which is far away from the retainer ring, and the sealing assembly is sleeved on the rotating shaft;

the sealing assembly comprises an inner sealing element, a middle sealing element and an outer sealing element, the middle sealing element is arranged in the outer sealing element, the upper end face of the inner sealing element is attached to the lower end face of the outer sealing element, and the outer sealing element is arranged at two ends of the roller body and covers and fixes the two ends of the roller body.

Preferably, the middle parts of the inner-layer sealing element and the outer-layer sealing element are respectively provided with a first circular convex edge and a second circular convex edge, the inner walls of the first circular convex edge and the second circular convex edge are mutually attached to the outer surface of the rotating shaft, and the second circular convex edge extends out of the two ends of the roller body.

Preferably, the outer edges of the inner-layer sealing element and the outer-layer sealing element are respectively provided with a first turning edge and a second turning edge, the first turning edges are close to the inner wall of the bearing seat and are in direct contact with the inner wall of the bearing seat, and the second turning edges are in direct contact with two end faces of the roller body and cover the roller body.

Preferably, dustproof plugs are arranged on two sides of the roller body respectively, and the dustproof plugs are covered with the second circular convex edge and the upper end face of the rotating shaft respectively.

Preferably, a clamp spring is arranged between the bearing and the sealing component and sleeved on the rotating shaft.

Preferably, the inner wall of the inner sealing element is provided with a plurality of threads, so that a gap between the bearing and the inner sealing element can be sealed, and the condition of oil overflow is avoided.

Preferably, the inner layer sealing element is made of polyurethane.

Preferably, the middle layer sealing element is made of felt materials.

Preferably, the outer sealing element is made of stainless steel.

Compared with the prior art, the utility model has the following beneficial effects: according to the dustproof and waterproof carrier roller sealing element, the sealing assembly is arranged into three layers, the inner wall of the first annular convex edge of the inner layer sealing element is in direct contact with the outer surface of the rotating shaft and is attached to the outer surface of the rotating shaft, and the first turned edge is close to the inner wall of the bearing seat and is in direct contact with the bearing seat, so that waterproof, oil-resistant and sealing effects are achieved; the middle layer sealing element plays the roles of dust prevention and impurity filtration; the second turned edge of the outer sealing element directly contacts with the two end faces of the roller body and covers the roller body, so that the inner sealing element and the middle sealing element are protected from being abraded in work or generate high-temperature deformation due to friction, and meanwhile, the sealing effect is further achieved.

The utility model has good sealing effect, prolongs the service life of the bearing, keeps the roller body and the rotating shaft smooth and prolongs the service life of the roller body.

Drawings

For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of the internal structure of the roller body in this embodiment;

FIG. 2 is a reference view showing a connection structure of the seal assembly according to the present embodiment;

FIG. 3 is a reference view of the side structure of the roll body of the present embodiment;

FIG. 4 is a structural reference diagram of the outer layer seal and the middle layer seal of the present embodiment;

FIG. 5 is a structural reference diagram of an outer seal member according to the present embodiment;

FIG. 6 is a reference view of another angular configuration of FIG. 5;

FIG. 7 is a reference view showing the structure of the inner seal member according to the present embodiment;

FIG. 8 is a reference view of another angular configuration of FIG. 7;

FIG. 9 is a reference view of the structure of the layer seal in this embodiment.

Reference numerals:

100-a roller body;

200-a rotating shaft;

300-a bearing seat;

400-a bearing;

500-a retainer ring;

600-a seal assembly; 610-inner seal; 620-middle layer seal; 630-an outer seal; 640-a first annular ledge; 650-second circular convex edge; 660 — first turned edge; 670-second turning edge;

700-dustproof plug;

800-clamp spring;

900-thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, the dustproof and waterproof carrier roller sealing member includes a roller body 100, a rotating shaft 200 and a bearing seat 300 are arranged inside the roller body 100, the bearing seats 300 are respectively arranged at two ends of the roller body 100, a bearing 400 is arranged on each bearing seat 300, each of the bearing seats 300 and the bearing 400 is sleeved on the rotating shaft 200, a retainer ring 500 is arranged between each bearing seat 300 and the corresponding bearing 400 to play a role in buffering, and when the rotating shaft 200 rotates, the bearing 400 and the bearing seat 300 are directly rubbed and extruded to cause damage; a sealing assembly 600 is arranged on one side of the bearing 400 far away from the retainer ring 500, and the sealing assembly 600 is sleeved on the rotating shaft 200;

the sealing assembly 600 comprises an inner layer sealing element 610, a middle layer sealing element 620 and an outer layer sealing element 630, the middle layer sealing element 620 is arranged in the outer layer sealing element 630, the upper end face of the inner layer sealing element 610 directly contacts with the lower end face of the outer layer sealing element 630 and is attached to the lower end face of the outer layer sealing element 630, and the outer layer sealing element 630 is arranged at two ends of the roller body 100, covers the two ends of the roller body and is fixed through hard objects in a knocking mode.

Furthermore, the middle parts of the inner-layer sealing element 610 and the outer-layer sealing element 630 are respectively provided with a first circular convex edge 640 and a second circular convex edge 650, the inner walls of the first circular convex edge 640 and the second circular convex edge 650 are attached to the outer surface of the rotating shaft 200, the second circular convex edge 650 extends out of the two ends of the roller body 100, and gaps are prevented from being reserved between the first circular convex edge 640 and the second circular convex edge 650 and the rotating shaft 200, so that dust, water stains or stains enter the bearing 400, and the service life of the bearing 400 is shortened.

Furthermore, the outer edges of the inner-layer sealing element 610 and the outer-layer sealing element 630 are respectively provided with a first turned edge 660 and a second turned edge 670, the first turned edge 660 is close to the inner wall of the bearing seat 300 and directly contacts with the inner wall, and the second turned edge 670 directly contacts with the two end faces of the roller body 100 and covers the two end faces to further seal.

Furthermore, both sides of the roller body 100 are respectively provided with a dustproof plug 700, the dustproof plug 700 is respectively covered with the second annular convex edge 650 and the upper end face of the rotating shaft 200, dust and water stains are prevented from entering from both sides of the roller body 100 by arranging the dustproof plug 700, a sealing effect is further achieved, and for fixing the dustproof plug 700, internal threads can be arranged on the inner wall of the dustproof plug 700 to prevent the dustproof plug 700 from falling off, so that the contact area between the dustproof plug 700 and the second annular convex edge 650 is increased.

Further, a snap spring 800 is disposed between the bearing 400 and the sealing assembly 600, and the snap spring 800 is sleeved on the snap groove of the rotating shaft 200 to prevent the bearing 400 from slipping out of the rotating shaft 200 during high-speed operation.

Further, the inner wall of the inner sealing element 610 is provided with a plurality of threads 900, so that a gap between the bearing 400 and the inner sealing element 610 can be sealed, and the oil overflow condition is avoided.

Further, the inner layer sealing element 610 is made of polyurethane, so that the wear resistance and the water resistance are good, and the sealing effect is improved.

Further, middle level sealing member 620 is the felt material, can filter particulate impurity such as dust, antifriction, can inhale the oil, has the moisturizing and has elasticity, and sealed effect is good.

Further, the outer layer sealing element 630 is made of stainless steel, so as to protect the inner layer sealing element 610 and the middle layer sealing element 620 from abrasion during operation or from high-temperature deformation due to friction, and further achieve a sealing effect.

It is noted that, herein, relational terms such as first and second, and the like may be 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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Dustproof and waterproof bearing roller sealing member, it includes roll body (100), roll body (100) inside is equipped with pivot (200), bearing frame (300) are located respectively and are set up bearing (400) on roll body (100) both ends and bearing frame (300), bearing frame (300) and bearing (400) all overlap and locate pivot (200) on, be equipped with retaining ring (500), its characterized in that between bearing frame (300) and bearing (400): a sealing assembly (600) is arranged on one side, away from the retainer ring (500), of the bearing (400), and the sealing assembly (600) is sleeved on the rotating shaft (200);

seal assembly (600) includes inlayer sealing member (610), middle level sealing member (620) and outer sealing member (630), outer sealing member (630) is located in middle level sealing member (620), inlayer sealing member (610) up end and outer sealing member (630) lower terminal surface laminate each other, roll body (100) both ends are located in outer sealing member (630) and are closed and fix rather than the lid.

2. The dustproof and waterproof idler seal of claim 1 wherein: the middle parts of the inner-layer sealing element (610) and the outer-layer sealing element (630) are respectively provided with a first circular convex edge (640) and a second circular convex edge (650), the inner walls of the first circular convex edge (640) and the second circular convex edge (650) are mutually attached to the outer surface of the rotating shaft (200), and the second circular convex edge (650) extends out of two ends of the roller body (100).

3. The dustproof and waterproof idler seal according to claim 1 or 2, wherein: the outer edge of the inner layer sealing element (610) and the outer layer sealing element (630) is provided with a first turning edge (660) and a second turning edge (670), the first turning edge (660) is close to the inner wall of the bearing seat (300) and is in direct contact with the inner wall, and the second turning edge (670) is in direct contact with two end faces of the roller body (100) and covers the roller body.

4. The dustproof and waterproof idler seal of claim 3 wherein: and two sides of the roller body (100) are respectively provided with a dustproof plug (700), and the dustproof plugs (700) are respectively covered with the second circular convex edge (650) and the upper end surface of the rotating shaft (200).

5. The dustproof and waterproof idler seal of claim 4 wherein: a clamp spring (800) is arranged between the bearing (400) and the sealing component (600), and the rotating shaft (200) is sleeved with the clamp spring (800).

6. The dustproof and waterproof idler seal of claim 3 wherein: and a plurality of threads (900) are arranged on the inner wall of the inner-layer sealing element (610).

7. The dustproof and waterproof idler seal of claim 6 wherein: the inner layer sealing element (610) is made of polyurethane.

8. The dustproof and waterproof idler seal of claim 1 wherein: the middle layer sealing element (620) is made of felt.

9. The dustproof and waterproof idler seal of claim 3 wherein: the outer sealing element (630) is made of stainless steel.