CN220980136U

CN220980136U - Rolling bearing with elastic dustproof seal

Info

Publication number: CN220980136U
Application number: CN202322805762.6U
Authority: CN
Inventors: 马东志
Original assignee: Siagco Chongqing Bearing Technology Co ltd
Current assignee: Siagco Chongqing Bearing Technology Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-05-17
Anticipated expiration: 2033-10-19

Abstract

The utility model relates to the technical field of rolling bearings, and provides an elastic dustproof sealing rolling bearing which comprises an inner lining plate and an outer lining plate; an outer ring is arranged on the inner wall of the outer lining plate, a rotary groove is arranged on the inner wall of the outer ring, rotary beads are arranged in the rotary groove, an inner ring is arranged on the inner wall of the rotary groove, and an inner lining plate is arranged on the outer wall of the inner ring; dust-proof sealing structures are arranged at two ends of the rotary groove; the inside of changeing groove one end dustproof seal structure is provided with oiling structure. According to the utility model, the oil injection structure is arranged, when oil is required to be injected into the rolling bearing, the handle is grasped by one hand, the plug is driven by the handle to be separated from the oil injection groove by rotating, then the oil pipe is inserted into the oil pipe to inject oil into the rolling bearing, and the plug is plugged into the oil injection groove to seal the interior after the oil pipe is extracted, so that the oil injection function of the rolling bearing is realized, and the convenience of the rolling bearing with the elastic dustproof seal is improved.

Description

Rolling bearing with elastic dustproof seal

Technical Field

The utility model relates to the technical field of rolling bearings, in particular to an elastic dustproof sealing rolling bearing.

Background

Along with the progress of the age, the technology is continuously developed, various mechanical processes are continuously developed, the rolling bearing plays an important role among instruments, the rolling bearing is convenient to use, reliable in work, good in starting performance and convenient to maintain, and along with the increase of the needs, the appearance of the rolling bearing with the elastic dustproof seal is extremely important;

To this end, the patent of publication CN206770395U discloses an elastic dust-tight rolling bearing comprising: the bearing comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is concentrically arranged in the bearing outer ring, a round of steel ball is arranged between the bearing outer ring and the bearing inner ring at intervals, annular elastic cover plates are respectively arranged on two sides of the steel ball, retainers corresponding to the steel ball are respectively arranged on the inner sides of the annular elastic cover plates, the annular elastic cover plates comprise V-shaped rings, first limiting rings and second limiting rings, the V-shaped rings are concentrically arranged between the first limiting rings and the second limiting rings, the first limiting rings extend into the inner wall of the bearing outer ring, the second limiting rings extend into the outer wall of the bearing inner ring, and the outer convex surfaces of the retainers are in contact with concave surfaces in the V-shaped rings. According to the elastic dustproof sealed rolling bearing, the retainer is limited by the V-shaped ring, so that the convenience in installation and disassembly is good, the sealing effect is enhanced, and the use is more stable;

The rolling bearing with the elastic dustproof seal is good in stability and convenient to assemble and disassemble, but lubricating oil is generally added inside for better rotation of the bearing, so that friction inside the rolling bearing is reduced, the working efficiency is higher, the sealing ring can only be opened every time and then refueled inside, and the sealing performance is reduced for a long time, so that the rolling bearing is quite inconvenient.

Disclosure of utility model

The utility model aims to provide an elastic dust-proof sealed rolling bearing which is used for solving the defect that the conventional elastic dust-proof sealed rolling bearing is inconvenient to refuel.

In order to solve the technical problems, the utility model provides the following technical scheme: an elastic dustproof sealed rolling bearing comprises an inner lining plate and an outer lining plate; an outer ring is arranged on the inner wall of the outer lining plate, a rotary groove is arranged on the inner wall of the outer ring, rotary beads are arranged in the rotary groove, an inner ring is arranged on the inner wall of the rotary groove, and an inner lining plate is arranged on the outer wall of the inner ring;

dust-proof sealing structures are arranged at two ends of the rotary groove;

The inside of changeing groove one end dustproof seal structure is provided with oiling structure, oiling structure includes oil filler groove, stopper and handle, the oil filler groove sets up in dustproof seal structure's inside, the inside of oil filler groove is provided with the stopper, the one end of stopper is fixed with the handle, grasps the stopper when being convenient for this elasticity dustproof sealed antifriction bearing oiling and takes.

Preferably, the front cross sections of the inner lining plate, the inner ring, the outer lining plate and the outer ring are in circular ring design, and the thickness of the inner lining plate is equal to that of the outer lining plate.

Preferably, the dustproof sealing structure comprises a mounting groove, a sealing ring, a first clamping strip and a second clamping strip, wherein the mounting groove is formed in the inner ring and the outer ring at two ends of the rotating groove, the sealing ring is arranged between the adjacent mounting grooves, the first clamping strip is fixed on the inner wall of the inner ring and the outer ring at one side of the mounting groove, and the second clamping strip is arranged on the outer wall of the mounting groove at one side of the first clamping strip.

Preferably, the side view cross section of sealing washer is the design of protruding font, the sealing washer is symmetrical distribution in the both sides of changeing the pearl, plays dustproof sealing effect to the antifriction bearing's of elasticity dustproof seal both sides.

Preferably, the sealing ring and the inner ring and the outer ring respectively form a rotating structure through the mounting groove, and the first clamping strip and the second clamping strip form a clamping structure.

Preferably, one end of the inner side wall of the oil injection groove is uniformly provided with internal threads, one end of the outer wall of the plug is uniformly provided with external threads, and the plug and the oil injection groove are in threaded connection.

Preferably, the inner walls of the inner ring and the outer ring are provided with reserved grooves, and the rotating beads in the rotating grooves form a rotating structure with the inner ring and the outer ring through the reserved grooves.

The elastic dustproof sealed rolling bearing provided by the utility model has the advantages that:

Through being provided with the oiling structure, when oiling the interior of the rolling bearing, the handle is grasped by one hand, the plug is driven by the rotating handle to be separated from the oiling groove, then the oil pipe is inserted into the rolling bearing to carry out oiling on the interior of the rolling bearing, and the plug is then sealed back to the oiling groove after the oil pipe is extracted, so that the oiling function of the rolling bearing is realized, and the convenience of the rolling bearing with the elastic dustproof sealing is improved;

Through being provided with dustproof seal structure, with the sealing washer stopper to the mounting groove inside, constitute the block structure through first card strip and second card strip, with inside formation airtight space, prevent that outside dust from getting into, realized this antifriction bearing dustproof seal's function, prolonged this elasticity dustproof seal's antifriction bearing's life.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

Fig. 5 is a schematic three-dimensional structure of the present utility model.

Reference numerals in the drawings illustrate: 1. an inner liner; 2. an inner ring; 3. an outer liner; 4. an outer ring; 5. a dust-proof sealing structure; 501. a mounting groove; 502. a seal ring; 503. the first clamping strip; 504. a second clamping strip; 6. an oiling structure; 601. an oil injection groove; 602. a plug; 603. a handle; 7. a rotary groove; 8. and (5) rotating the beads.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the rolling bearing with elastic dust seal provided by the utility model comprises an inner lining plate 1 and an outer lining plate 3.

Referring to fig. 2 and 4, an outer ring 4 is provided on the inner wall of the outer liner 3, a rotary groove 7 is provided on the inner wall of the outer ring 4, an oiling structure 6 is provided inside the dust seal structure 5 at one end of the rotary groove 7, the oiling structure 6 comprises an oiling groove 601, a plug 602 and a handle 603, the oiling groove 601 is arranged inside the dust seal structure 5, the plug 602 is provided inside the oiling groove 601, one end of the plug 602 is fixedly provided with the handle 603, one end of the inner side wall of the oiling groove 601 is uniformly provided with an internal thread, and one end of the outer wall of the plug 602 is uniformly provided with an external thread plug 602 and the oiling groove 601 are in threaded connection.

When the oil is required to be filled into the rolling bearing, the handle 603 is grasped by one hand, the handle 603 is rotated to drive the plug 602 to be separated from the oil filling groove 601, then an oil pipe is inserted to fill the oil into the rolling bearing, and after the oil pipe is extracted, the plug 602 is plugged into the oil filling groove 601 to seal the interior.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, the both ends of change groove 7 all are provided with dustproof seal structure 5, dustproof seal structure 5 includes mounting groove 501, sealing washer 502, first draw-in strip 503 and second draw-in strip 504, mounting groove 501 all sets up in the inside of change groove 7 both ends inner circle 2 and outer lane 4, and all be provided with sealing washer 502 between the adjacent mounting groove 501, all be fixed with first draw-in strip 503 on the inner wall of mounting groove 501 one side inner circle 2 and outer lane 4, all be provided with second draw-in strip 504 on the outer wall of first draw-in strip 503 one side mounting groove 501, the cross-section of sealing washer 502 is the design of protruding font, sealing washer 502 is symmetrical distribution in the both sides of changeing ball 8, sealing washer 502 passes through mounting groove 501 respectively with inner circle 2 and outer lane 4 constitution revolution mechanic, first draw-in strip 503 and second draw-in strip 504 constitute the block structure, the inside of change groove 7 is provided with change lining ball 8, be provided with inner circle 2 on the inner wall of change groove 7, be provided with interior lining 1 on the outer wall of inner circle 2, interior lining 1, inner circle 2, outer circle 2 and outside cross-section are in apparent section is the design of annular design 1, and the inner circle 2 is equal to the inner circle 2 is reserved with the inner circle 2 through the inner circle 2 and the reservation groove 2.

The sealing ring 502 is plugged into the mounting groove 501, and a clamping structure is formed by the first clamping strip 503 and the second clamping strip 504, so that a closed space is formed inside the sealing ring, and dust outside is prevented from entering.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An elastic dust-proof sealed rolling bearing comprises an inner lining plate (1) and an outer lining plate (3);

The method is characterized in that:

An outer ring (4) is arranged on the inner wall of the outer lining plate (3), a rotary groove (7) is formed in the inner wall of the outer ring (4), rotary beads (8) are arranged in the rotary groove (7), an inner ring (2) is arranged on the inner wall of the rotary groove (7), and an inner lining plate (1) is arranged on the outer wall of the inner ring (2);

both ends of the rotary groove (7) are provided with dustproof sealing structures (5);

The inside of changeing groove (7) one end dustproof seal structure (5) is provided with oiling structure (6), oiling structure (6) are including oiling groove (601), stopper (602) and handle (603), oiling groove (601) set up in the inside of dustproof seal structure (5), the inside of oiling groove (601) is provided with stopper (602), the one end of stopper (602) is fixed with handle (603).

2. An elastic dust seal rolling bearing according to claim 1, wherein: the front cross section of the inner lining plate (1), the inner ring (2), the outer lining plate (3) and the outer ring (4) is in a circular ring shape, and the thickness of the inner lining plate (1) is equal to that of the outer lining plate (3).

3. An elastic dust seal rolling bearing according to claim 1, wherein: dustproof seal structure (5) are including mounting groove (501), sealing washer (502), first card strip (503) and second card strip (504), mounting groove (501) all set up in the inside of changeing groove (7) both ends inner circle (2) and outer lane (4), and all are provided with sealing washer (502) between adjacent mounting groove (501), all be fixed with first card strip (503) on the inner wall of mounting groove (501) one side inner circle (2) and outer lane (4), all be provided with second card strip (504) on the outer wall of first card strip (503) one side mounting groove (501).

4. A resilient dust seal rolling bearing according to claim 3, wherein: the side view cross section of the sealing ring (502) is of a convex shape, and the sealing ring (502) is symmetrically distributed on two sides of the rotating bead (8).

5. A resilient dust seal rolling bearing according to claim 3, wherein: the sealing ring (502) and the inner ring (2) and the outer ring (4) respectively form a rotating structure through the mounting groove (501), and the first clamping strip (503) and the second clamping strip (504) form a clamping structure.

6. An elastic dust seal rolling bearing according to claim 1, wherein: one end of the inner side wall of the oil injection groove (601) is uniformly provided with internal threads, one end of the outer wall of the plug (602) is uniformly provided with external threads, and the plug (602) and the oil injection groove (601) are in threaded connection.

7. An elastic dust seal rolling bearing according to claim 1, wherein: reserved grooves are formed in the inner walls of the inner ring (2) and the outer ring (4), and rotating beads (8) in the rotating grooves (7) form a rotating structure with the inner ring (2) and the outer ring (4) through the reserved grooves.