High-durability and high-reliability bearing

Abstract

The high-durability and high-reliability bearing comprises an outer ring, an inner ring, balls and a wear-resisting mechanism, the inner ring is sleeved with the outer ring, the wear-resisting mechanism is clamped to the inner side wall of the outer ring and the outer side wall of the inner ring, the balls are connected to the inner side of the wear-resisting mechanism in a rolling mode, and the balls are connected to the inner side of the wear-resisting mechanism in a rolling mode. According to the high-durability and high-reliability bearing, a positioning strip of a first wear-resisting ring is embedded into a positioning groove of an outer ring, so that the first wear-resisting ring extrudes a fixing head, a clamping plate is contracted into a mounting cavity and extrudes a reset spring, and when a fixing hole is aligned with the fixing head, the fixing head is fixed through resetting of the reset spring; and through the arrangement of the first wear-resisting ring and the second wear-resisting ring, the wear resistance of the device is improved, large wear caused by friction of balls is avoided, the bearing is more durable, and the wear-resisting rings are convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a high-durability and high-reliability bearing. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy.

[0003] When current bearings are in use, friction occurs between the balls and the inner and outer rings. After long-term use, wear will occur between the outer and inner rings, thereby reducing the durability of the bearings and shortening the service life of the bearings. For this reason, we have proposed a high-durability and high-reliability bearing. Utility Model Content

[0004] The purpose of the utility model is to provide a high-durability and high-reliability bearing to solve the problem raised in the above background technology that the current bearings have reduced durability and reduced service life due to friction between the balls and the inner ring and the outer ring, which causes wear between the outer ring and the inner ring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-durability and high-reliability bearing, comprising an outer ring, an inner ring, balls and a wear-resistant mechanism, wherein the inner ring is sleeved inside the outer ring, the wear-resistant mechanism is clamped on the inner side wall of the outer ring and the outer side wall of the inner ring, the balls are rollingly connected to the inner side of the wear-resistant mechanism, the wear-resistant mechanism comprises an installation cavity, a reset spring, a clamping plate, a fixing head, a positioning groove, a first wear-resistant ring, a second wear-resistant ring, a fixing hole and a positioning strip, the inner side wall of the outer ring and the outer side wall of the inner ring are provided with installation cavities, and the installation cavities on the left and right parts are provided with the outer side walls of the inner ring. A return spring is fixedly connected to the middle of the sides away from each other, a clamping plate is fixedly connected to the opposite ends of the return springs on the left and right parts, a fixing head is fixedly connected to the middle of the opposite sides of the clamping plates on the left and right parts, the inner side wall of the outer ring and the outer side wall of the inner ring are symmetrically provided with positioning grooves, the inner side wall of the outer ring is clamped with a first wear-resistant ring, the outer side wall of the inner ring is clamped with a second wear-resistant ring, the outer side wall of the first wear-resistant ring and the inner side wall of the second wear-resistant ring are both provided with fixing holes, and the outer side wall of the first wear-resistant ring and the inner side wall of the second wear-resistant ring are symmetrically fixedly connected with positioning strips.

[0006] As a further description of the above technical solution:

[0007] The plurality of rolling balls are evenly distributed in a circular shape along the center of the inner ring, a retaining frame is provided between the inner side of the first wear-resistant ring and the outer side of the second wear-resistant ring, and the plurality of rolling balls are connected to the inside of the retaining frame.

[0008] As a further description of the above technical solution:

[0009] The inner side wall of the first wear-resistant ring is provided with an inner arc groove matched with the ball, and the outer side wall of the second wear-resistant ring is provided with an outer arc groove matched with the ball.

[0010] As a further description of the above technical solution:

[0011] The clamping plate is slidably clamped in the interior of the installation cavity, the end of the fixing head is hemispherical, and the fixing hole is a hemispherical groove.

[0012] As a further description of the above technical solution:

[0013] The top and bottom of the outer ring are fixedly connected with an oil injection mechanism by bolts, and the oil injection mechanism includes a cover plate, a contraction cavity, a connecting spring, a baffle, a pull block, a slide groove and an oil injection hole. The top and bottom of the outer ring are fixedly connected with the cover plate by bolts, and a contraction cavity is opened on the inner left part of the cover plate. The front and rear sides of the contraction cavity are evenly fixedly connected with connecting springs, and the opposite ends of the connecting springs at the front and rear are fixedly connected with baffles, and the middle parts of the tops of the front and rear baffles away from each other are fixedly connected with pull blocks, and the middle parts of the front and rear parts of the top of the contraction cavity are penetrated with a slide groove, and the middle parts of the top and bottom of the contraction cavity are penetrated with oil injection holes.

[0014] As a further description of the above technical solution:

[0015] The baffle is slidably connected to the inside of the contraction cavity, and the outer wall of the baffle is in contact with the inner wall of the contraction cavity, and the pull block is slidably connected to the inside of the slide groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The high-durability and high-reliability bearing embeds the positioning strip of the first wear-resistant ring inside the positioning groove of the outer ring, so that the first wear-resistant ring squeezes the fixed head, so that the clamping plate shrinks in the installation cavity and squeezes the reset spring. When the fixing hole is aligned with the fixed head, the reset spring resets the fixed head to embed in the fixing hole to fix the first wear-resistant ring. Similarly, the second wear-resistant ring is fixed. The arrangement of the first wear-resistant ring and the second wear-resistant ring improves the wear resistance of the device, avoids greater wear caused by the friction of the ball, makes the bearing more durable, and facilitates the replacement of the wear-resistant ring.

[0018] 2. This highly durable and highly reliable bearing drives the baffle to move by pulling the pull block, so that the front and rear baffles move away from each other, squeeze the connecting spring, and open the oil filling hole, so as to facilitate oil filling and improve the convenience of the device. After the oil filling is completed, the pull block is loosened, and the baffle is reset by resetting the connecting spring, and the oil filling hole is closed to prevent the lubricating oil from flying out when the bearing is running, thereby improving the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a high-durability and high-reliability bearing proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of a ball installation structure of a high-durability and high-reliability bearing proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the wear-resistant mechanism structure of a high-durability and high-reliability bearing proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the structure of an oil injection mechanism for a high-durability and high-reliability bearing.

[0023] In the figure: 100, outer ring; 200, inner ring; 300, ball; 400, wear-resistant mechanism; 410, mounting cavity; 420, return spring; 430, clamping plate; 440, fixing head; 450, positioning groove; 460, first wear-resistant ring; 470, second wear-resistant ring; 480, fixing hole; 490, positioning strip; 500, oil filling mechanism; 510, cover plate; 520, contraction cavity; 530, connecting spring; 540, baffle; 550, pull block; 560, slide groove; 570, oil filling hole; 600, retaining frame; 700, inner arc groove; 800, outer arc groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a high-durability and high-reliability bearing, which improves the wear resistance of the device, avoids the greater wear caused by the friction of the ball, makes the bearing more durable, and facilitates the replacement of the wear-resistant ring. Please refer to Figure 1-4 , comprising an outer ring 100, an inner ring 200, a ball 300 and a wear-resistant mechanism 400;

[0028] Please refer again Figure 2 , the outer ring 100 is used to install the inner ring 200, the ball 300 and the wear-resistant mechanism 400;

[0029] Please refer again Figure 2 The inner ring 200 is sleeved inside the outer ring 100, and the wear-resistant mechanism 400 is clamped on the inner side wall of the outer ring 100 and the outer side wall of the inner ring 200 for mounting the ball 300, and the ball 300 is rollingly connected to the inner side of the wear-resistant mechanism 400;

[0030] Please refer again Figure 3 The wear-resistant mechanism 400 includes a mounting cavity 410, a return spring 420, a clamping plate 430, a fixing head 440, a positioning groove 450, a first wear-resistant ring 460, a second wear-resistant ring 470, a fixing hole 480 and a positioning strip 490;

[0031] Please refer again Figure 3The inner wall of the outer ring 100 and the outer wall of the inner ring 200 are provided with an installation cavity 410, and a return spring 420 is fixedly connected to the middle of the mutually distant sides of the installation cavities 410 of the left and right parts, and a clamping plate 430 is fixedly connected to the opposite ends of the return springs 420 of the left and right parts, and a fixing head 440 is fixedly connected to the middle of the opposite sides of the clamping plates 430 of the left and right parts, and positioning grooves 450 are symmetrically provided on the inner wall of the outer ring 100 and the outer wall of the inner ring 200;

[0032] Please refer again Figure 3 The inner wall of the outer ring 100 is clamped with the first wear-resistant ring 460, and the outer wall of the inner ring 200 is clamped with the second wear-resistant ring 470. The outer wall of the first wear-resistant ring 460 and the inner wall of the second wear-resistant ring 470 are both provided with fixing holes 480, and the outer wall of the first wear-resistant ring 460 and the inner wall of the second wear-resistant ring 470 are both symmetrically fixedly connected with positioning strips 490.

[0033] To summarize, by embedding the positioning strip 490 of the first wear-resistant ring 460 inside the positioning groove 450 of the outer ring 100, the first wear-resistant ring 460 squeezes the fixed head 440, so that the clamping plate 430 shrinks in the mounting cavity 410 and squeezes the reset spring 420. When the fixing hole 480 is aligned with the fixing head 440, the fixing head 440 is embedded in the fixing hole 480 through the reset of the reset spring 420, and the first wear-resistant ring 460 is fixed. Similarly, the second wear-resistant ring 470 is fixed. By setting the first wear-resistant ring 460 and the second wear-resistant ring 470, the wear resistance of the device is improved, and greater wear caused by the friction of the ball 300 is avoided, making the bearing more durable and convenient to replace the wear-resistant ring.

[0034] Please refer again Figure 2 A plurality of balls 300 are evenly distributed in a circular shape along the center of the inner ring 200 , a retaining frame 600 is provided between the inner side of the first wear-resistant ring 460 and the outer side of the second wear-resistant ring 470 , and a plurality of balls 300 are rollingly connected to the inside of the retaining frame 600 .

[0035] Please refer again Figure 3 The inner wall of the first wear-resistant ring 460 is provided with an inner arc groove 700 adapted to the ball 300 , and the outer wall of the second wear-resistant ring 470 is provided with an outer arc groove 800 adapted to the ball 300 .

[0036] Please refer again Figure 3 The clamping plate 430 is slidably clamped in the interior of the installation cavity 410, the end of the fixing head 440 is hemispherical, and the fixing hole 480 is a hemispherical groove.

[0037] Please refer again Figure 4The top and bottom of the outer ring 100 are fixedly connected with an oil injection mechanism 500 by bolts. The oil injection mechanism 500 includes a cover plate 510, a contraction cavity 520, a connecting spring 530, a baffle 540, a pull block 550, a slide groove 560 and an oil injection hole 570. The top and bottom of the outer ring 100 are fixedly connected with the cover plate 510 by bolts. The contraction cavity 520 is opened in the left part of the inner part of the cover plate 510. The front and rear sides of the contraction cavity 520 are evenly fixedly connected with the connecting spring 530. The opposite ends of the connecting spring 530 of the front and rear parts are fixedly connected with the baffle 540. The middle part of the top of the front and rear parts of the baffle 540 is fixedly connected with the pull block 550. The middle part of the front and rear parts of the top of the contraction cavity 520 is penetrated with a slide groove 560. The middle part of the top and bottom of the contraction cavity 520 is penetrated with an oil injection hole 570.

[0038] Please refer again Figure 4 The baffle 540 is slidably connected to the inside of the shrinkage cavity 520 , and the outer wall of the baffle 540 is in contact with the inner wall of the shrinkage cavity 520 , and the pull block 550 is slidably connected to the inside of the slide groove 560 .

[0039] To summarize, by pulling the pull block 550, the baffle 540 is driven to move, so that the front and rear baffles 540 move away from each other, the connecting spring 530 is squeezed, and the oil filling hole 570 is opened, so as to facilitate oil filling and improve the convenience of the device. After the oil filling is completed, the pull block 550 is loosened, and the baffle 540 is reset by resetting the connecting spring 530, and the oil filling hole 570 is closed to prevent the lubricating oil from flying out when the bearing is running, thereby improving the reliability of the device.

[0040] In specific use, the technical personnel in this field can embed the positioning strip 490 of the first wear-resistant ring 460 into the positioning groove 450 of the outer ring 100, so that the first wear-resistant ring 460 squeezes the fixed head 440, so that the card plate 430 shrinks in the installation cavity 410, and the reset spring 420 is squeezed. When the fixing hole 480 is aligned with the fixing head 440, the fixing head 440 is embedded in the fixing hole 480 through the reset of the reset spring 420, and the first wear-resistant ring 460 is pressed against the fixing head 440. The first wear-resistant ring 460 is fixed, and the second wear-resistant ring 470 is fixed similarly to enhance the wear resistance of the bearing. When oiling is needed, the pull block 550 is pulled to drive the baffle 540 to move, so that the front and rear baffles 540 are separated from each other, the connecting spring 530 is squeezed, the oil filling hole 570 is opened, and oil is injected into the bearing. After the oil injection is completed, the pull block 550 is loosened, the baffle 540 is reset by resetting the connecting spring 530, and the oil filling hole 570 is closed to prevent the lubricating oil from flying out.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A high-durability and high-reliability bearing, characterized by: The invention comprises an outer ring (100), an inner ring (200), a ball (300) and a wear-resistant mechanism (400), wherein the inner ring (200) is sleeved inside the outer ring (100), the wear-resistant mechanism (400) is clamped on the inner side wall of the outer ring (100) and the outer side wall of the inner ring (200), the ball (300) is rollingly connected to the inner side of the wear-resistant mechanism (400), the wear-resistant mechanism (400) comprises an installation cavity (410), a reset spring (420), a clamping plate (430), a fixing head (440), a positioning groove (450), a first wear-resistant ring (460), a second wear-resistant ring (470), a fixing hole (480) and a positioning strip (490), the inner side wall of the outer ring (100) and the outer side wall of the inner ring (200) are provided with an installation cavity (410), and the installation cavities (410) on the left and right parts are provided with a plurality of fixing holes (480). ) is fixedly connected to the middle of the mutually distant sides of the left and right parts with a return spring (420), the opposite ends of the return spring (420) of the left and right parts are fixedly connected to a clamping plate (430), and the middle parts of the opposite sides of the clamping plates (430) of the left and right parts are fixedly connected to a fixing head (440), the inner wall of the outer ring (100) and the outer wall of the inner ring (200) are symmetrically provided with positioning grooves (450), the inner wall of the outer ring (100) is clamped with a first wear-resistant ring (460), and the outer wall of the inner ring (200) is clamped with a second wear-resistant ring (470), the outer wall of the first wear-resistant ring (460) and the inner wall of the second wear-resistant ring (470) are both provided with fixing holes (480), and the outer wall of the first wear-resistant ring (460) and the inner wall of the second wear-resistant ring (470) are symmetrically fixedly connected with positioning strips (490).

2. A high-durability and high-reliability bearing according to claim 1, characterized in that: The plurality of balls (300) are evenly distributed in a circular shape along the center of the inner ring (200), a retaining frame (600) is provided between the inner side of the first wear-resistant ring (460) and the outer side of the second wear-resistant ring (470), and the plurality of balls (300) are rollingly connected to the inside of the retaining frame (600).

3. The high-durability and high-reliability bearing according to claim 1, characterized in that: The inner wall of the first wear-resistant ring (460) is provided with an inner arc groove (700) adapted to the ball (300), and the outer wall of the second wear-resistant ring (470) is provided with an outer arc groove (800) adapted to the ball (300).

4. The high-durability and high-reliability bearing according to claim 1, characterized in that: The clamping plate (430) is slidably clamped inside the installation cavity (410), the end of the fixing head (440) is hemispherical, and the fixing hole (480) is a hemispherical groove.

5. The high-durability and high-reliability bearing according to claim 1, characterized in that: The top and bottom of the outer ring (100) are fixedly connected with an oil injection mechanism (500) by bolts, and the oil injection mechanism (500) comprises a cover plate (510), a contraction cavity (520), a connecting spring (530), a baffle (540), a pull block (550), a slide groove (560) and an oil injection hole (570). The top and bottom of the outer ring (100) are fixedly connected with a cover plate (510) by bolts, and the contraction cavity (520) is opened in the left part of the inner part of the cover plate (510). The front and rear sides of the shrinkage cavity (520) are evenly fixedly connected with connecting springs (530), the opposite ends of the connecting springs (530) at the front and rear are fixedly connected with baffles (540), the middle parts of the tops of the front and rear baffles (540) away from each other are fixedly connected with pull blocks (550), the middle parts of the front and rear parts of the top of the shrinkage cavity (520) are penetrated with a slide groove (560), and the middle parts of the top and bottom of the shrinkage cavity (520) are penetrated with an oil filling hole (570).

6. A high-durability and high-reliability bearing according to claim 5, characterized in that: The baffle (540) is slidably connected to the inside of the contraction cavity (520), and the outer wall of the baffle (540) is in contact with the inner wall of the contraction cavity (520), and the pull block (550) is slidably connected to the inside of the slide groove (560).

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