A spherical bearing with long service life

Abstract

The utility model discloses a joint bearing with long service life in the field of bearing technology, comprising a first threaded rod and a second threaded rod, the second threaded rod being screwed on the top end of the first threaded rod, a mounting ring being fixedly connected to the upper side of the outer wall of the first threaded rod, mounting grooves being provided on the left and right sides of the interior of the mounting ring, tenons being slidably connected to the inner cavities of the mounting grooves on the left and right sides, the ends of the tenons on the left and right sides passing through the mounting grooves on the left and right sides and extending to the interior of the second threaded rod, and the tenons on the left and right sides being plugged into the tenons on the right sides. The joint bearing with long service life has a reasonable structural design, can conveniently lubricate the bearing, prevent the bearing's friction coefficient from being too large and affecting the bearing's service life, and can effectively prevent the joint between the threaded rod end and the bearing from loosening due to vibration generated during the operation of the equipment when the joint bearing is connected to an external device.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a spherical bearing with a long service life. Background Art

[0002] The spherical plain bearing has an inner spherical surface and an outer spherical surface as its sliding contact surface. It can rotate and swing at any angle during movement. It is made by a variety of special processing methods such as surface phosphating, blasting, inlaying, spraying, etc.

[0003] It is inconvenient to add lubricating oil to the existing spherical bearings, which increases the friction of the rod end spherical bearings and affects the service life of the spherical bearings. In addition, when the existing spherical bearings are connected to external equipment, when the equipment vibrates during operation, the connection between the threaded rod end and the bearing is prone to loosening and damage. For this reason, we have proposed a spherical bearing with a long service life. Utility Model Content

[0004] The purpose of the utility model is to provide a spherical bearing with a long service life, so as to solve the problem mentioned in the above background technology that it is inconvenient to add lubricating oil to the existing spherical bearings, which leads to increased friction of the rod end spherical bearings and affects the service life of the spherical bearings, and the existing spherical bearings are connected to external equipment. When the equipment vibrates during operation, the connection between the threaded rod end and the bearing is prone to loosening, causing damage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a joint bearing with a long service life, comprising a first threaded rod and a second threaded rod, the second threaded rod is screwed on the top end of the first threaded rod, a mounting ring is fixedly connected to the upper side of the outer wall of the first threaded rod, mounting grooves are opened on the left and right sides of the interior of the mounting ring, and the inner cavities of the mounting grooves on the left and right sides are slidably connected with tenons, the ends of the tenons on the left and right sides penetrate the mounting grooves on the left and right sides and extend to the interior of the second threaded rod, and the tenon on the left side is plugged into the tenon on the right side, and threaded connecting rods are plugged into the left and right sides of the outer wall of the mounting ring, the ends of the threaded connecting rods on the left and right sides penetrate the mounting ring and extend to the inner cavity of the mounting grooves on the left and right sides, and the ends of the threaded connecting rods on the left and right sides are rotatably connected to the tenons on the left and right sides.

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

[0007] The outer side walls of the threaded connecting rods on the left and right sides are sleeved with return springs.

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

[0009] An outer bearing ring is fixedly connected to the top end of the second threaded rod, and a lubricating layer is fixedly connected to the inner side wall of the outer bearing ring.

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

[0011] An inner bearing ring is rotatably connected between the inner side walls of the lubricating layer, and an oil dripping hole is opened on the upper side of the outer side wall of the outer bearing ring.

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

[0013] An oleophobic layer is fixedly connected to the bottom of the inner cavity of the outer bearing ring, and a guide chamber is fixedly connected to the top of the oleophobic layer.

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

[0015] The inner cavity bottom of the outer bearing ring is provided with flow guide holes on the left and right sides, and the flow guide holes on the left and right sides are evenly distributed.

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

[0017] 1. The spherical bearing with a long service life, when lubricating the bearing, oil is injected into the oil drip hole, and then the lubricating oil enters the guide chamber through the oil drip hole, and the lubricating oil flows along the protrusions inside the guide chamber to the two sides of the guide chamber, and then flows through the guide grooves on both sides of the guide chamber, and enters the oleophobic layer through the openings evenly distributed in the guide grooves, and the lubricating oil is evenly distributed by the oleophobic layer and then contacts the lubricating layer through the guide holes, so that the lubricating oil lubricates the lubricating layer and lubricates the inner bearing ring in contact with the lubricating layer, thereby conveniently lubricating the bearing and preventing the friction coefficient of the bearing from being too large to affect the service life of the bearing.

[0018] 2. The spherical joint bearing with a long service life is achieved by pulling out the threaded connecting rods on both sides, then rotating the threaded connecting rods on both sides so that the threaded parts of the threaded connecting rods on both sides are threadedly connected with the mounting ring, so that the tenon squeezes the reset spring and then resets it to the mounting groove, and then the first threaded rod and the second threaded rod are installed and connected, and then the threaded connecting rods on both sides are rotated to cancel the connection between the threaded parts of the threaded connecting rods on both sides and the mounting ring, so that the reset springs on both sides squeezed by the tenons on both sides are reset, and the tenons on both sides are inserted into the second threaded rod to limit the second threaded rod, thereby effectively preventing the spherical joint bearing from being connected to an external device. The connection between the threaded rod end and the bearing is loosened due to the vibration generated during the operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a spherical bearing with a long service life proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of a front cross-sectional structure of a spherical bearing with a long service life proposed by the utility model;

[0021] Figure 3 This is a left-side sectional structural schematic diagram of a spherical bearing with a long service life proposed by the utility model;

[0022] Figure 4 A spherical bearing with a long service life proposed by the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0023] In the figure: 100, first threaded rod; 110, mounting ring; 120, mounting groove; 121, tenon; 130, threaded connecting rod; 131, return spring; 200, second threaded rod; 210, outer bearing ring; 211, lubricating layer; 220, inner bearing ring; 230, oil drip hole; 240, oleophobic layer; 250, guide chamber; 260, guide hole. 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 spherical bearing with a long service life, which can conveniently lubricate the bearing to prevent the bearing's friction coefficient from being too large and affecting the bearing's service life. It can effectively prevent the joint between the threaded rod end and the bearing from loosening due to vibration generated during the operation of the equipment when the spherical bearing is connected to an external device. Please refer to Figure 1-4 , comprising a first threaded rod 100 and a second threaded rod 200;

[0028] Please refer again Figure 1-3 The first threaded rod 100 is used to install the main structure. A mounting ring 110 is fixedly connected to the upper side of the outer wall of the first threaded rod 100. The mounting ring 110 is used to install the main structure. Mounting grooves 120 are opened on the left and right sides of the interior of the mounting ring 110. The mounting grooves 120 are used to install tenons 121. The inner cavities of the mounting grooves 120 on the left and right sides are slidably connected with tenons 121. The tenons 121 are used to limit the second threaded rod 200. The ends of the tenons 121 on the left and right sides pass through the mounting grooves 120 on the left and right sides and extend to the inside of the second threaded rod 200, and the left tenon 121 is plugged with the right tenon 121. Threaded connecting rods 130 are plugged on the left and right sides of the outer wall of the mounting ring 110. The threaded connecting rods 130 are used to connect the tenons 121. The ends of the threaded connecting rods 130 on the left and right sides pass through the mounting ring 110 and extend to the mounting grooves 12 0, and the ends of the left and right threaded connecting rods 130 are rotatably connected with the left and right tenons 121, and the outer walls of the left and right threaded connecting rods 130 are sleeved with reset springs 131, and the threaded connecting rods 130 are used to reset the tenons 121. When lubricating the bearing, oil is injected into the drip hole 230, and then the lubricating oil enters the guide bin 250 through the drip hole 230, and the lubricating oil flows along the protrusions inside the guide bin 250 to the two sides of the guide bin 250, and then flows through the guide grooves on both sides of the guide bin 250, and enters the oleophobic layer 240 through the openings evenly distributed in the guide grooves, and the lubricating oil is evenly distributed by the oleophobic layer 240, and then the lubricating oil contacts the lubricating layer 211 through the guide hole 260, so that the lubricating oil lubricates the lubricating layer 211 and lubricates the inner bearing ring 220 in contact with the lubricating layer 211;

[0029] In summary, it is convenient to lubricate the bearings to prevent the friction coefficient of the bearings from being too large and affecting the service life of the bearings;

[0030] Please refer again Figure 1-4 The second threaded rod 200 is screwed on the top of the first threaded rod 100, and the top of the second threaded rod 200 is fixedly connected to an outer bearing ring 210, and the outer bearing ring 210 is used to install the main structure. The inner side wall of the outer bearing ring 210 is fixedly connected to a lubricating layer 211, and the lubricating layer 211 is used to lubricate the inner bearing ring 220. The inner side walls of the lubricating layer 211 are rotatably connected with the inner bearing ring 220, and an oil dripping hole 230 is opened on the upper side of the outer side wall of the outer bearing ring 210. The oil dripping hole 230 is used to inject oil into the guide bin 250. The bottom of the inner cavity of the outer bearing ring 210 is fixedly connected to an oleophobic layer 240, and the oleophobic layer 240 is used to evenly distribute the lubricating oil. The top of the oleophobic layer 240 is fixedly connected to a guide bin 250, and the guide bin 250 is used to guide the flow direction of the lubricating oil. The bottom of the inner cavity of the outer bearing ring 210 is The two sides are provided with guide holes 260, which are used to transport lubricating oil to the lubricating layer 211, and the guide holes 260 on the left and right sides are evenly distributed. The threaded connecting rods 130 on both sides are pulled outward, and then the threaded connecting rods 130 on both sides are rotated to make the threaded parts of the threaded connecting rods 130 on both sides be screwed with the mounting ring 110, so that the tenon 121 squeezes the reset spring 131 and resets it into the mounting groove 120, and then the first threaded rod 100 and the second threaded rod 200 are installed and connected, and then the threaded connecting rods 130 on both sides are rotated to cancel the connection between the threaded parts of the threaded connecting rods 130 on both sides and the mounting ring 110, so that the reset springs 131 on both sides squeezed by the tenons 121 on both sides are reset, and the tenons 121 on both sides are pushed to insert into the second threaded rod 200 to limit the second threaded rod 200;

[0031] In summary, it can effectively prevent the joint between the threaded rod end and the bearing from loosening due to vibration generated during the operation of the equipment when the spherical bearing is connected to the external equipment;

[0032] During specific use, the technical personnel in this field pull out the threaded connecting rods 130 on both sides, and then rotate the threaded connecting rods 130 on both sides to make the threaded parts of the threaded connecting rods 130 on both sides be screwed with the mounting ring 110, so that the tenon 121 squeezes the reset spring 131 and then resets it into the mounting groove 120, and then the first threaded rod 100 and the second threaded rod 200 are installed and connected, and then the threaded connecting rods 130 on both sides are rotated to cancel the connection between the threaded parts of the threaded connecting rods 130 on both sides and the mounting ring 110, so that the reset springs 131 on both sides squeezed by the tenons 121 on both sides are reset and push the tenons 121 on both sides to insert into the second threaded rod 200 00 to limit the second threaded rod 200, when lubricating the bearing, increase the oil injection into the oil drip hole 230, and then the lubricating oil enters the guide chamber 250 through the oil drip hole 230, and the lubricating oil flows along the protrusions inside the guide chamber 250 to the two sides of the guide chamber 250, and then flows through the guide grooves on both sides of the guide chamber 250, and enters the oleophobic layer 240 through the openings evenly distributed in the guide grooves. After the lubricating oil is evenly distributed by the oleophobic layer 240, the lubricating oil is brought into contact with the lubricating layer 211 through the guide hole 260, so that the lubricating oil lubricates the lubricating layer 211 and lubricates the inner bearing ring 220 that is in contact with the lubricating layer 211.

[0033] 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.

[0034] 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 spherical bearing with a long service life, characterized in that: The invention comprises a first threaded rod (100) and a second threaded rod (200), wherein the second threaded rod (200) is screwed to the top of the first threaded rod (100), a mounting ring (110) is fixedly connected to the upper side of the outer wall of the first threaded rod (100), mounting grooves (120) are provided on the left and right sides of the interior of the mounting ring (110), and the inner cavities of the mounting grooves (120) on the left and right sides are slidably connected to tenons (121), and the ends of the tenons (121) on the left and right sides penetrate the mounting grooves (120) on the left and right sides. 20) and extends to the interior of the second threaded rod (200), and the left-side tenon (121) is plugged into the right-side tenon (121), and threaded connecting rods (130) are plugged into the left and right sides of the outer wall of the mounting ring (110), and the ends of the threaded connecting rods (130) on the left and right sides pass through the mounting ring (110) and extend to the inner cavity of the mounting grooves (120) on the left and right sides, and the ends of the threaded connecting rods (130) on the left and right sides are rotatably connected to the tenons (121) on the left and right sides.

2. A spherical plain bearing with a long service life according to claim 1, characterized in that: The outer side walls of the threaded connecting rods (130) on the left and right sides are sleeved with return springs (131).

3. A spherical plain bearing with a long service life according to claim 1, characterized in that: An outer bearing ring (210) is fixedly connected to the top end of the second threaded rod (200), and a lubricating layer (211) is fixedly connected to the inner side wall of the outer bearing ring (210).

4. A spherical plain bearing with a long service life according to claim 3, characterized in that: An inner bearing ring (220) is rotatably connected between the inner side walls of the lubricating layer (211), and an oil dripping hole (230) is opened on the upper side of the outer side wall of the outer bearing ring (210).

5. A spherical plain bearing with a long service life according to claim 4, characterized in that: An oleophobic layer (240) is fixedly connected to the bottom of the inner cavity of the outer bearing ring (210), and a guide chamber (250) is fixedly connected to the top of the oleophobic layer (240).

6. A spherical plain bearing with a long service life according to claim 5, characterized in that: The inner cavity bottom of the outer bearing ring (210) is provided with flow guide holes (260) on both sides, and the flow guide holes (260) on both sides are evenly distributed.

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