Bearing with screw

Abstract

The utility model belongs to the technical field of rolling bearings, and particularly relates to a bearing with a screw, which comprises an outer ferrule. The inner part of the outer sleeve ring is rotationally connected with a pin roller; an inner ferrule is rotationally connected to the outer side of the roller; the inner ferrule is positioned on the inner side of the outer ferrule; a threaded rod is mounted in the inner ferrule; when the bearing with the screw is used, the bearing needs to be checked and replaced regularly, but the replacement of the bearing is often discarded together with the screw to cause resource waste, so that when the bearing is damaged due to long-term high-strength use, the bearing is separated from the threaded rod, and the bearing is independently replaced, so that the replacement cost is greatly reduced. And meanwhile, the friction force between the threaded rod and the inner ferrule is increased through the sliding rod, so that the bearing is more stable in the using process, and resource waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rolling bearing technical field, concretely is a bearing with screw rod. BACKGROUND

[0002] In the process of daily furniture production, when the drawer is pushed and pulled, bearings are often used to reduce friction, and the position of the bearing can be adjusted by using a screw rod, which can improve the efficiency of furniture use or production.

[0003] The bearing with screw rod is usually composed of a screw rod, a bearing seat, a ball, and an outer ring. The outer ring directly contacts the furniture and is usually made of wear-resistant and corrosion-resistant materials such as copper and iron.

[0004] In the prior art, the bearing with screw rod needs to be checked and replaced regularly, but the replacement of the bearing often involves discarding the screw rod, resulting in waste of resources. Therefore, a bearing with screw rod is proposed to solve the above problems. SUMMARY

[0005] To make up for the shortcomings of the prior art and solve at least one technical problem raised in the background art, the utility model provides a bearing with screw rod.

[0006] The technical scheme adopted by the utility model to solve its technical problems is as follows: the utility model discloses a bearing with screw rod, which comprises an outer ring, a rolling column rotatably connected inside the outer ring, an inner ring rotatably connected outside the rolling column, the inner ring located inside the outer ring, a threaded rod installed inside the inner ring, a nut threadedly connected outside the threaded rod, the nut located at the bottom of the outer ring, a plurality of sliding rods slidingly connected inside the threaded rod, and a bolt threadedly connected inside the threaded rod.

[0007] Preferably, a limiting column is fixedly connected to one side of the outer side of the threaded rod, a limiting groove is formed in the inner side of the inner ring, and the limiting column slides inside the limiting groove.

[0008] Preferably, an oil inlet is arranged on one side of the top of the threaded rod, the oil inlet is located at the top of the rolling column, and a threaded sealing gasket is threadedly connected inside the oil inlet.

[0009] Preferably, a spring pad is fixedly connected to one end of the outer side of the sliding rod, and the spring pad is close to the inner side of the inner ring.

[0010] Preferably, a counterbore is formed in the inner side of the top of the inner ring, and the threaded rod slides inside the counterbore.

[0011] Preferably, a dustproof pad is installed on the outer side of the threaded rod, and the dustproof pad is located between the nut and the outer ring.

[0012] Preferably, the spring pad is made of rubber.

[0013] The utility model discloses the beneficial aspect lies in:

[0014] The utility model discloses a bearing with screw rod, when using the bearing with screw rod, it needs to be checked and replaced regularly, but the replacement of bearing often leads to the waste of resources along with the discard of screw rod, so when the bearing is damaged due to long -term high -intensity use, separate the bearing and screw rod, replace the bearing alone, increase the friction of the screw rod and the inner sleeve ring of the slide rod, make the bearing more stable in the use process, and reduce the waste of resources.

[0015] The utility model discloses a bearing with screw rod, in the use process of bearing, through the cooperation of limiting groove and limiting column, the inner sleeve ring and screw rod are fixed closely together, so that it can keep relatively stable rotation under the adverse working condition, further increase the stability when bearing works. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application, and do not limit the present application in any manner.

[0017] In the drawings:

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the inner sleeve ring in the utility model;

[0019] Figure 2 It is the three-dimensional sectional structure schematic diagram of the inner sleeve ring in the utility model;

[0020] Figure 3 It is the structure schematic diagram of the screw rod in the utility model;

[0021] Figure 4 It is Figure 3 The enlarged view of A of the utility model.

[0022] In the drawing: 1, outer sleeve ring, 11, roller, 12, inner sleeve ring, 13, threaded rod, 14, nut, 15, bolt, 16, slide rod, 2, limiting column, 21, limiting groove, 3, oil inlet, 31, threaded sealing gasket, 4, spring pad, 5, counterbore, 6, dust pad. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] As shown in Figures 1-4 A bearing with screw rod, including outer sleeve 1, the outer sleeve 1 inside rotationally connected with the roller 11, the roller 11 outside rotationally connected with the inner sleeve 12, the inner sleeve 12 is located in the inner side of outer sleeve 1, the inner sleeve 12 inside is installed with threaded rod 13, the threaded rod 13 outside is connected with the nut 14 in screw thread, the nut 14 is located in the bottom of outer sleeve 1, the threaded rod 13 inside is connected with bolt 15 in screw thread, when working, the roller 11 is installed between the limiting groove 21 and the inner sleeve 12, and a bearing that can rotate is formed, then the threaded rod 13 is inserted into the inner sleeve 12, the nut 14 is close to the one end of threaded rod 13, by rotating, the threaded rod 13 is connected with the inner sleeve 12, then the bolt 15 inside the threaded rod 13 is rotated and moves to the next end, the plurality of slide rods 16 are extruded, the other end of slide rod 16 exerts pressure on the inner sleeve 12, the friction between the threaded rod 13 and the inner sleeve 12 is increased, when the bearing needs to be replaced, the bolt 15 is rotated, then the nut 14 is rotated, so that the bearing is separated from the threaded rod 13, this step needs to be regularly checked and replaced when the bearing with screw rod is used, but the replacement of the bearing often leads to the discard of the screw rod, resulting in the waste of resources, so when the bearing is damaged due to long-term high-strength use, the bearing is separated from the threaded rod 13, the bearing is replaced alone, the friction between the slide rod 16 and the inner sleeve 12 is increased, so that the bearing is more stable during use, and the waste of resources is reduced.

[0025] As shown in Figures 2-3 The threaded rod 13 outside one side is fixedly connected with the limiting column 2, the inner sleeve 12 inside is provided with the limiting groove 21, and the limiting column 2 slides in the limiting groove 21, when the threaded rod 13 is slidably installed in the inner sleeve 12, the limiting column 2 outside the threaded rod 13 is aligned with the limiting groove 21 inside the inner sleeve 12, then sliding is carried out, so that the limiting groove 21 limits the limiting column 2, in the use process of the bearing, the inner sleeve 12 and the threaded rod 13 are tightly fixed together through the cooperation of the limiting groove 21 and the limiting column 2, so that the inner sleeve 12 and the threaded rod 13 can also keep relatively stable rotation under harsh working conditions, and the stability of the bearing during work is further increased.

[0026] AsFigure 1 , 3 As shown, an oil inlet 3 is provided on one side of the top of the threaded rod 13; the oil inlet 3 is located on the top of the roller 11; a threaded sealing gasket 31 is threadedly connected inside the oil inlet 3; during operation, after the bearing has been used for a period of time, the threaded sealing gasket 31 is opened with an Allen wrench to expose the oil inlet 3, and then grease is injected into the outside of the roller 11 through the oil inlet 3 to lubricate the roller 11. During the use of the bearing, the roller 11 will be rotating at high speed. Injecting grease into the outside of the roller 11 through the threaded sealing gasket 31 can reduce the coefficient of friction between the rollers 11 and increase the service life of the roller 11.

[0027] like Figures 3-4 As shown, a spring pad 4 is fixed to one end of the outer side of the slide rod 16; the spring pad 4 is close to the inner side of the inner ring 12; during operation, when the slide rod 16 slides inside the threaded rod 13 and approaches the inner side of the inner ring 12, the spring pad 4 will first contact the inner side of the inner ring 12, and then the slide rod 16 will continue to pressurize the spring pad 4. Through the use of the spring pad 4, this step increases the friction between the slide rod 16 and the inner ring 12 when they contact each other, while also providing a certain degree of protection for the inner side of the inner ring 12, further increasing the service life of the inner ring 12.

[0028] like Figure 2 As shown, a countersunk hole 5 is provided on the top inner side of the inner ring 12; a threaded rod 13 slides inside the countersunk hole 5; during operation, the countersunk hole 5 is provided on the top inner side of the inner ring 12, and the threaded rod 13 fills the countersunk hole 5. The use of the countersunk hole 5 in this step can increase the strength of the structure and make it more stable when bearing a large load.

[0029] like Figure 2 As shown, a dustproof pad 6 is installed on the outside of the threaded rod 13; the dustproof pad 6 is located between the nut 14 and the outer ring 1; during operation, the dustproof pad 6 seals and blocks the gap between the outer ring 1 and the inner ring 12, which reduces the possibility of dust entering the bearing and increases the service life of the bearing.

[0030] like Figures 3-4 As shown, the spring pad 4 is made of rubber. Rubber is wear-resistant and soft. It is located between the slide rod 16 and the inner ring 12. While increasing the friction at the end of the slide rod 16, it can better protect the inner side of the inner ring 12 and increase the service life of the bearing.

[0031] The working principle is that the roller 11 is installed between the limiting groove 21 and the inner sleeve ring 12 to form a rotatable bearing, then the threaded rod 13 is inserted into the inner sleeve ring 12, the nut 14 is close to one end of the threaded rod 13, the threaded rod 13 is connected with the inner sleeve ring 12 by rotating, then the bolt 15 inside the threaded rod 13 is rotated to move to the lower end, the plurality of slide rods 16 are extruded, the other end of the slide rod 16 applies pressure to the inside of the inner sleeve ring 12, the friction between the threaded rod 13 and the inner sleeve ring 12 is increased, when the bearing needs to be replaced, the bolt 15 is rotated, then the nut 14 is rotated, the bearing and the threaded rod 13 can be separated, this step needs to be regularly checked and replaced when the bearing with the screw rod is used, but the replacement of the bearing often leads to the abandonment of the screw rod, resulting in waste of resources, therefore, when the bearing is damaged due to long-term high-intensity use, the bearing is separated from the threaded rod 13, the bearing is replaced alone, the friction between the slide rod 16 and the inner sleeve ring 12 is increased, the bearing is more stable during use, and the waste of resources is reduced, when the threaded rod 13 is slidably installed in the inner sleeve ring 12, the limiting column 2 outside the threaded rod 13 is aligned with the limiting groove 21 inside the inner sleeve ring 12, then the limiting groove 21 limits the limiting column 2, this step tightly fixes the inner sleeve ring 12 and the threaded rod 13 together through the cooperation of the limiting groove 21 and the limiting column 2, so that the inner sleeve ring 12 can also remain relatively stable in rotation under harsh working conditions, further increasing the stability of the bearing during work, after the bearing is used for a period of time, the threaded sealing gasket 31 is opened by the inner hex wrench, the oil injection port 3 is exposed, then the lubricating grease is injected into the outside of the roller 11 through the oil injection port 3 to lubricate the roller 11, in the use process of the bearing, the roller 11 rotates at high speed, the lubricating grease is injected into the outside of the roller 11 through the threaded sealing gasket 31, which can reduce the friction coefficient between the rollers 11 and increase the service life of the rollers 11, when the slide rod 16 slides inside the threaded rod 13 close to the inside of the inner sleeve ring 12, the spring pad 4 first contacts the inside of the inner sleeve ring 12, then the subsequent slide rod 16 continues to press the spring pad 4, this step increases the friction between the slide rod 16 and the inner sleeve ring 12 through the use of the spring pad 4, and has a certain protection effect on the inside of the inner sleeve ring 12, further increasing the service life of the inner sleeve ring 12, the inner sleeve ring 12 is provided with a counterbore 5 at the top of the inside, the threaded rod 13 fills the counterbore 5, the use of the counterbore 5 can increase the strength of the structure, so that it can be more stable when bearing a large load, the dust pad 6 closes and shields the gap between the outer sleeve ring 1 and the inner sleeve ring 12, this step reduces the possibility of dust entering the inside of the bearing, increases the service life of the bearing, the rubber has the characteristics of wear resistance and softness, which is located between the slide rod 16 and the inner sleeve ring 12, increases the friction of the end of the slide rod 16,The inner side of the inner race 12 can be better protected, and the service life of the bearing is increased.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A bearing with a screw, comprising an outer ring (1); characterized in that: The outer ring (1) is rotatably connected to a roller (11); the outer side of the roller (11) is rotatably connected to an inner ring (12); the inner ring (12) is located inside the outer ring (1); a threaded rod (13) is installed inside the inner ring (12); a nut (14) is threadedly connected to the outer side of the threaded rod (13); the nut (14) is located at the bottom of the outer ring (1); multiple sets of slide rods (16) are slidably connected inside the threaded rod (13); and a bolt (15) is threadedly connected inside the threaded rod (13).

2. The bearing with a screw according to claim 1, characterized in that: A limiting post (2) is fixed to the outer side of the threaded rod (13); a limiting groove (21) is opened on the inner side of the inner ring (12); the limiting post (2) slides inside the limiting groove (21).

3. The bearing with a screw according to claim 1, characterized in that: The threaded rod (13) has an oil inlet (3) on one side of its top; the oil inlet (3) is located on the top of the roller (11); the oil inlet (3) is internally threaded with a threaded sealing gasket (31).

4. A bearing with a screw according to claim 1, characterized in that: A spring pad (4) is fixed to one end of the outer side of the slide rod (16); the spring pad (4) is close to the inner side of the inner sleeve (12).

5. A bearing with a screw according to claim 1, characterized in that: The inner ring (12) has a countersunk hole (5) on its inner top; a threaded rod (13) slides inside the countersunk hole (5).

6. A bearing with a screw according to claim 1, characterized in that: A dustproof pad (6) is installed on the outside of the threaded rod (13); the dustproof pad (6) is located between the nut (14) and the outer ring (1).

7. A bearing with a screw according to claim 4, characterized in that: The spring pad (4) is made of rubber.

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