Cylindrical roller bearing with anti-falling function

By designing anti -tank and circular array actives in the cylindrical roller bearing, and the setting of threaded cylinders, bolt rods and dustproof components, the cylindrical rolling bearing may be separated and dusty when rotating at a high speed. The stable assembly and efficient dustproof effect of the bearings are achieved.

CN222391769UActive Publication Date: 2025-01-24SHANDONG LIULIAN BEARING CO LTD
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Patent Information

Application Number
CN202420545304.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2025-01-24
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

The existing cylindrical roller bearings may cause the inner ring to disengage from the cylindrical roller when rotating at high speed, and dust enters the inside of the bearing to increase friction, reducing practicality.

Method used

A cylindrical roller bearing with anti-separation function is designed. By setting anti-separation grooves and annular array movable cylindrical rolling elements inside the inner ring of the bearing, and installing threaded barrels, bolt rods and dust-proof components in the outer ring structure, it ensures that Stable assembly of cylindrical rollers and inner rings and prevention of dust.

Benefits of technology

Effectively prevent the departure between the inner ring of the bearing and the cylindrical roller, and reduce the entry of dust through the dust -proof components, reduce friction, and improve the practicality and safety of the bearings.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a cylindrical roller bearing with an anti-falling function, belongs to the technical field of cylindrical roller bearings, and aims to solve the problem that a bearing inner ring is separated from a cylindrical roller. Comprising a bearing inner ring and cylindrical rolling bodies, a bearing outer ring structure is installed on the outer side of the cylindrical rolling body in a matched mode, and auxiliary assemblies are fixedly arranged on the two sides of the bearing outer ring structure. A dustproof assembly is fixedly arranged on the outer side of the bearing inner ring; through the arrangement of the anti-falling groove and the two sets of anti-falling protrusions, after the bearing outer ring structure, the cylindrical rolling body and the bearing inner ring are assembled, the cylindrical rolling body can be blocked by the anti-falling groove and the two sets of anti-falling protrusions; the bearing inner ring can be prevented from being separated from the cylindrical rolling body; the outer ring frame A and the outer ring frame B can be quickly fixed through mutual matching of the threaded cylinders, the connecting holes and the bolt rods; on the premise of ensuring convenient assembly, the bearing inner ring cannot be separated from the cylindrical roller.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cylindrical roller bearings, and more specifically, particularly relates to a cylindrical roller bearing with an anti-slip function. 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; according to the shape of the rolling elements, they can be divided into ball bearings and roller bearings; roller bearings can be divided into cylindrical roller bearings, needle roller bearings, tapered roller bearings and spherical roller bearings according to the type of rollers.

[0003] In order to facilitate assembly, existing cylindrical roller bearings usually do not have a retaining ring on the inner ring of the bearing. As a result, when the inner ring of the bearing rotates at high speed, the inner ring of the bearing and the cylindrical roller may be separated, resulting in certain safety hazards. In addition, in order to ensure the heat dissipation effect inside the bearing, existing cylindrical roller bearings have a certain gap between the bearing retainer and the inner ring and outer ring of the bearing. As a result, dust may enter the bearing, increasing the friction between the cylindrical roller and the inner ring and outer ring, thereby reducing the practicality of the cylindrical roller bearing. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a cylindrical roller bearing with an anti-slip function to solve the problem that the inner ring of the bearing and the cylindrical roller may be detached from each other as mentioned in the above background technology; and dust may enter the interior of the bearing, increasing the friction between the cylindrical roller and the inner ring and the outer ring.

[0005] The utility model provides a cylindrical roller bearing with an anti-slip function, which is achieved by the following specific technical means:

[0006] A cylindrical roller bearing with an anti-slip function comprises an inner ring of the bearing; an anti-slip groove is provided inside the inner ring of the bearing, cylindrical rolling bodies are movably arranged in an annular array inside the anti-slip groove, and a retaining frame is movably installed outside the cylindrical rolling bodies; threaded holes are provided inside the inner ring of the bearing, and the threaded holes are symmetrically provided;

[0007] The outer side of the cylindrical rolling body is fitted with a bearing outer ring structure, and auxiliary components are fixedly arranged on both sides of the bearing outer ring structure, and the auxiliary components are symmetrically arranged at two locations; the outer side of the bearing inner ring is fixedly arranged with a dustproof component, and the dustproof components are arranged at two locations, and the two dustproof components are symmetrically arranged on both sides of the bearing outer ring structure; the bearing outer ring structure includes: an outer ring frame A, an outer ring frame B, a connecting hole, a threaded barrel and a bolt rod; the outer ring frame A is movably arranged on the outer side of the annular array cylindrical rolling body; the outer ring frame B is movably arranged on the outer side of the annular array cylindrical rolling body, and the outer ring frame A and the outer ring frame B are symmetrically arranged; the connecting hole is through-opened inside the outer ring frame A; the threaded barrel is fixedly arranged inside the outer ring frame B; the bolt rod passes through the connecting hole and is arranged inside the threaded barrel through a threaded connection, and a hexagonal hole is opened inside one end of the bolt rod.

[0008] In at least some embodiments, a threaded rod is rotatably provided inside the inner ring of the bearing via a threaded connection, and a knob is fixedly provided on the top of the threaded rod; a reinforcement plate is rotatably provided on the outer side of the bottom end of the threaded rod, and the outer sides of the reinforcement plate are fixedly provided on guide vertical rods, and the guide vertical rods are slidably provided inside the inner ring of the bearing.

[0009] In at least some embodiments, the reinforcement plates are arranged in four groups, and the four groups of reinforcement plates are arranged symmetrically; the reinforcement plates are arranged in an arc-shaped structure, and the inner wall of the reinforcement plates is arranged in a frosted surface, and the reinforcement plates are located on the inner side of the inner ring of the bearing.

[0010] In at least some embodiments, the bearing outer ring structure also includes: a positioning hole, a positioning rod and an anti-slip protrusion; the positioning hole is opened inside the outer ring frame B; the positioning rod is fixedly arranged on the outside of the outer ring frame A, and the positioning rod is slidably arranged inside the positioning hole; there are two anti-slip protrusions, and the two anti-slip protrusions are integrally arranged inside the outer ring frame A and the outer ring frame B respectively.

[0011] In at least some embodiments, the dustproof assembly includes: a dustproof frame, a fixing seat and a hexagon socket bolt; the dustproof frame is movably arranged on the outside of the inner ring of the bearing, and a dustproof net is fixedly arranged inside the dustproof frame; the number of dustproof frames is set to four groups, and the two groups of dustproof frames are arranged symmetrically; the fixing seat is fixedly arranged on the outside of the dustproof frame; the hexagon socket bolt is arranged between the fixing seat and the inside of the threaded hole through a threaded connection.

[0012] In at least some embodiments, the dustproof assembly also includes: a fixing rod and a circular hole; the fixing rod is fixedly arranged on the outside of the dustproof frame, and a chamfer is provided inside the side of the dustproof frame away from the fixing seat; the circular hole is provided inside another group of dustproof frames, and a fixing rod is slidably provided inside the circular hole.

[0013] In at least some embodiments, the auxiliary component includes: an auxiliary seat, a push rod and a scraper; the number of auxiliary seats is set to two groups, and the two groups of auxiliary seats are respectively fixedly arranged on the outside of the outer ring frame A and the outer ring frame B; the push rod is slidably arranged inside the auxiliary seat, and a spring member is arranged between the push rod and the inside of the auxiliary seat; the scraper is fixedly arranged at the top of the push rod, and the outer surface of the scraper is in contact with the outer surface of the dustproof net inside the dustproof frame.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, an anti-slip groove and two sets of anti-slip protrusions are provided, so that after the outer ring structure of the bearing, the cylindrical rolling element and the inner ring of the bearing are assembled, the cylindrical rolling element will be blocked by the anti-slip groove and the two sets of anti-slip protrusions; thus, the separation between the inner ring of the bearing and the cylindrical rolling element can be prevented; and the outer ring frame A and the outer ring frame B can be quickly fixed and assembled by utilizing the mutual cooperation between the threaded barrel, the connecting hole and the bolt rod; thus, the inner ring of the bearing and the cylindrical roller cannot be separated while ensuring convenient assembly.

[0016] 2. In the utility model, by providing a fixing seat, a threaded hole and a hexagon socket bolt, the dustproof frame and its internal dustproof net can be conveniently fixed between the outer ring and the inner ring of the bearing; this is beneficial to preventing dust from entering the interior of the bearing; and through the spring member and the push rod, the scraper can always fit the dustproof net inside the dustproof frame; and then when the dustproof frame rotates with the inner ring of the bearing, the scraper can scrape off the dust on the surface of the dustproof net, which is beneficial to ensure the dustproof effect and heat dissipation effect of the dustproof net. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the split structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the disassembled structure of the bearing outer ring structure of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the upper surface of the reinforcement plate of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the auxiliary component of the utility model.

[0022] Figure 6 It is a structural schematic diagram of the dustproof component of the utility model.

[0023] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0024] 1. Bearing inner ring; 101. Anti-slip groove; 102. Cylindrical rolling element; 103. Cage; 104. Threaded hole; 105. Threaded rod; 106. Reinforcement plate; 107. Guide vertical rod;

[0025] 2. Bearing outer ring structure; 201. Outer ring frame A; 202. Outer ring frame B; 203. Connecting hole; 204. Threaded barrel; 205. Bolt rod; 206. Positioning hole; 207. Positioning rod; 208. Anti-slip protrusion;

[0026] 3. Dustproof assembly; 301. Dustproof frame; 302. Fixing seat; 303. Hexagon socket bolt; 304. Fixing rod; 305. Round hole;

[0027] 4. Auxiliary components; 401. Auxiliary seat; 402. Push rod; 403. Scraper. DETAILED DESCRIPTION

[0028] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples. Example

[0029] As attached Figure 1 To Attachment Figure 6 As shown:

[0030] The utility model provides a cylindrical roller bearing with an anti-slip function, comprising a bearing inner ring 1; an anti-slip groove 101 is provided inside the bearing inner ring 1, and cylindrical rolling bodies 102 are movably arranged in an annular array inside the anti-slip groove 101, and a retaining frame 103 is movably installed outside the cylindrical rolling bodies 102; a threaded hole 104 is provided inside the bearing inner ring 1, and the threaded hole 104 is symmetrically provided; a threaded rod 105 is rotatably arranged inside the bearing inner ring 1 through a threaded connection, and a knob is fixedly arranged at the top of the threaded rod 105; a reinforcing plate 106 is rotatably arranged outside the bottom end of the threaded rod 105, and both sides of the outer side of the reinforcing plate 106 It is fixedly arranged on the guide vertical rod 107, and the guide vertical rod 107 is slidably arranged inside the inner ring 1 of the bearing; there are four groups of reinforcement plates 106, and the four groups of reinforcement plates 106 are symmetrically arranged; the reinforcement plates 106 are arranged in an arc-shaped structure, and the inner wall of the reinforcement plates 106 is arranged as a frosted surface, and the reinforcement plates 106 are located on the inner side of the inner ring 1 of the bearing; its specific function is: by providing an anti-slip groove 101 and two groups of anti-slip protrusions 208, after the outer ring structure 2 of the bearing is assembled with the cylindrical rolling body 102 and the inner ring 1 of the bearing, the cylindrical rolling body 102 will be blocked by the anti-slip groove 101 and the two groups of anti-slip protrusions 208;

[0031] In the disclosed embodiment, a bearing outer ring structure 2 is mounted on the outer side of the cylindrical rolling body 102, and auxiliary components 4 are fixedly arranged on both sides of the bearing outer ring structure 2, and the auxiliary components 4 are symmetrically arranged at two locations; a dustproof component 3 is fixedly arranged on the outer side of the bearing inner ring 1, and the dustproof component 3 is arranged at two locations, and the two dustproof components 3 are symmetrically arranged on both sides of the bearing outer ring structure 2; the bearing outer ring structure 2 includes: an outer ring frame A201, an outer ring frame B202, a connecting hole 203, a threaded barrel 204, a bolt rod 205, a positioning hole 206, a positioning rod 207 and an anti-slip protrusion 208; the outer ring frame A201 is movably arranged on the outer side of the annular array cylindrical rolling body 102; the outer ring frame B202 is movably arranged on the outer side of the annular array cylindrical rolling body 102, and the outer ring frame A201 and the outer ring frame B202 are symmetrical. Setting; the connecting hole 203 is through-opened in the outer ring frame A201; the threaded tube 204 is fixedly arranged in the outer ring frame B202; the bolt rod 205 passes through the connecting hole 203 and is arranged in the threaded tube 204 through threaded connection, and a hexagonal hole is opened inside one end of the bolt rod 205; the positioning hole 206 is opened in the outer ring frame B202; the positioning rod 207 is fixedly arranged on the outside of the outer ring frame A201, and the positioning rod 207 is slidably arranged in the positioning hole 206; there are two anti-slip protrusions 208, and the two anti-slip protrusions 208 are integrally arranged in the outer ring frame A201 and the outer ring frame B202 respectively; its specific function is: by utilizing the mutual cooperation between the threaded tube 204, the connecting hole 203 and the bolt rod 205, the outer ring frame A201 and the outer ring frame B202 can be quickly fixed and assembled. Example

[0032] As attached Figure 1 With attached Figure 6 As shown: Based on the first embodiment, the dustproof assembly 3 includes: a dustproof frame 301, a fixing seat 302, a hexagon socket bolt 303, a fixing rod 304 and a round hole 305; the dustproof frame 301 is movably arranged on the outer side of the bearing inner ring 1, and a dustproof net is fixedly arranged inside the dustproof frame 301; the number of dustproof frames 301 is set to four groups, and the two groups of dustproof frames 301 are symmetrically arranged; the fixing seat 302 is fixedly arranged on the outer side of the dustproof frame 301; the hexagon socket bolt 303 is arranged between the fixing seat 302 and the threaded hole 1 through a threaded connection 04; a fixing rod 304 is fixedly arranged on the outside of the dustproof frame 301, and a chamfer is provided inside the side of the dustproof frame 301 away from the fixing seat 302; a circular hole 305 is provided inside another group of dustproof frames 301, and a fixing rod 304 is slidably arranged inside the circular hole 305; its specific function is: by providing a fixing seat 302, a threaded hole 104 and a hexagon socket bolt 303, the dustproof frame 301 and its internal dustproof net can be conveniently fixed between the outer ring and the inner ring of the bearing, which is beneficial to prevent dust from entering the bearing. Example

[0033] As attached Figure 3 With attached Figure 5 As shown: On the basis of Example 1 and Example 2, the auxiliary component 4 includes: an auxiliary seat 401, a push rod 402 and a scraper 403; the number of auxiliary seats 401 is set to two groups, and the two groups of auxiliary seats 401 are respectively fixedly arranged on the outside of the outer ring frame A201 and the outer ring frame B202; the push rod 402 is slidably arranged inside the auxiliary seat 401, and a spring member is arranged between the push rod 402 and the inside of the auxiliary seat 401; the scraper 403 is fixedly arranged at the top of the push rod 402, and the outer surface of the scraper 403 is in contact with the outer surface of the dustproof net inside the dustproof frame 301; its specific function is: through the spring member and the push rod 402, the scraper 403 can always be in contact with the dustproof net inside the dustproof frame 301; and then when the dustproof frame 301 rotates with the bearing inner ring 1, the scraper 403 can scrape the dust on the surface of the dustproof net.

[0034] The specific usage and function of this embodiment are as follows:

[0035] In the utility model, when in use, the inner ring 1 of the bearing is installed on the outer side of the rotating shaft; then the threaded rod 105 is rotated, and the threaded rod 105 drives the reinforcing plate 106 to move through the guide vertical rod 107, so that the two groups of reinforcing plates 106 clamp the rotating shaft, so that the fixing effect between the rotating shaft and the inner ring 1 of the bearing is better; then the cylindrical rolling body 102 is placed in the anti-slip groove 101, and the cylindrical rolling body 102 is limited by the retaining frame 103; then the outer ring frame A201 and the outer ring frame B202 are placed on the outer side of the annular array cylindrical rolling body 102; the outer ring frame A201 and the outer ring frame B202 are docked and assembled through the positioning rod 207 and the positioning hole 206, and then the bolt rod 205 passes through the connecting hole 203 and is screwed into the threaded barrel 2 04, so that the outer ring frame A201 and the outer ring frame B202 are relatively fixed; the two sets of dust frames 301 are connected by using the fixing rod 304 and the circular hole 305; the dust frame 301 is fixed to the outer side of the bearing inner ring 1 by the hexagon socket bolt 303, the fixing seat 302 and the threaded hole 104; the push rod 402 applies pressure to the scraper 403 through the spring member, so that the surface of the scraper 403 fits with the surface of the dust net inside the dust frame 301, and then when the dust frame 301 rotates with the bearing inner ring 1, the scraper 403 scrapes the dust on the surface of the dust net; the chamfer on the inside of the dust frame 301 away from the fixing seat 302 can reduce the friction between the dust frame 301 and the outer ring frame A201 and the outer ring frame B202.

Claims

1. A cylindrical roller bearing with an anti-slip function, characterized in that: include: A bearing inner ring (1); an anti-slip groove (101) is provided inside the bearing inner ring (1), and cylindrical rolling bodies (102) are movably arranged in an annular array inside the anti-slip groove (101), and a retaining frame (103) is movably installed outside the cylindrical rolling bodies (102); a threaded hole (104) is provided inside the bearing inner ring (1), and the threaded holes (104) are symmetrically provided; The outer side of the cylindrical rolling body (102) is fitted with a bearing outer ring structure (2), and auxiliary components (4) are fixedly arranged on both sides of the bearing outer ring structure (2), and the auxiliary components (4) are symmetrically arranged at two locations; the outer side of the bearing inner ring (1) is fixedly arranged with a dustproof component (3), and the dustproof component (3) is arranged at two locations, and the two dustproof components (3) are symmetrically arranged on both sides of the bearing outer ring structure (2); the bearing outer ring structure (2) comprises: an outer ring frame A (201), an outer ring frame B (202), a connecting hole (203), a threaded barrel (204) and a bolt rod (205); The outer ring frame A (201) is movably arranged outside the annular array cylindrical rolling body (102); the outer ring frame B (202) is movably arranged outside the annular array cylindrical rolling body (102), and the outer ring frame A (201) and the outer ring frame B (202) are symmetrically arranged; the connecting hole (203) is opened in the outer ring frame A (201) in a through-type manner; the threaded tube (204) is fixedly arranged inside the outer ring frame B (202); the bolt rod (205) passes through the connecting hole (203) and is arranged inside the threaded tube (204) through threaded connection, and a hexagonal hole is opened inside one end of the bolt rod (205).

2. A cylindrical roller bearing with anti-slip function according to claim 1, characterized in that: A threaded rod (105) is rotatably arranged inside the bearing inner ring (1) via a threaded connection, and a knob is fixedly arranged at the top of the threaded rod (105); a reinforcement plate (106) is rotatably arranged outside the bottom end of the threaded rod (105), and both sides of the outside of the reinforcement plate (106) are fixedly arranged on guide vertical rods (107), and the guide vertical rods (107) are slidably arranged inside the bearing inner ring (1).

3. A cylindrical roller bearing with anti-slip function according to claim 2, characterized in that: The reinforcement plates (106) are arranged in four groups, and the four groups of reinforcement plates (106) are arranged symmetrically; the reinforcement plates (106) are arranged in an arc-shaped structure, and the inner wall of the reinforcement plates (106) is arranged in a frosted surface, and the reinforcement plates (106) are located on the inner side of the bearing inner ring (1).

4. The cylindrical roller bearing with anti-slip function according to claim 1, characterized in that: The bearing outer ring structure (2) further comprises: a positioning hole (206), a positioning rod (207) and an anti-slip protrusion (208); the positioning hole (206) is arranged inside the outer ring frame B (202); the positioning rod (207) is fixedly arranged outside the outer ring frame A (201), and the positioning rod (207) is slidably arranged inside the positioning hole (206); and the anti-slip protrusion (208) is arranged at two locations, and the two anti-slip protrusions (208) are arranged in an integrated manner inside the outer ring frame A (201) and the outer ring frame B (202), respectively.

5. The cylindrical roller bearing with anti-slip function according to claim 1, characterized in that: The dustproof assembly (3) comprises: a dustproof frame (301), a fixing seat (302) and a hexagon socket bolt (303); the dustproof frame (301) is movably arranged on the outside of the bearing inner ring (1), and a dustproof net is fixedly arranged inside the dustproof frame (301); the number of dustproof frames (301) is set to four groups, and two groups of dustproof frames (301) are symmetrically arranged; the fixing seat (302) is fixedly arranged on the outside of the dustproof frame (301); and the hexagon socket bolt (303) is arranged between the fixing seat (302) and the inside of the threaded hole (104) through a threaded connection.

6. The cylindrical roller bearing with anti-slip function according to claim 5, characterized in that: The dustproof assembly (3) further comprises: a fixing rod (304) and a circular hole (305); the fixing rod (304) is fixedly arranged on the outside of the dustproof frame (301), and a chamfer is provided inside a side of the dustproof frame (301) away from the fixing seat (302); the circular hole (305) is provided inside another set of dustproof frames (301), and the fixing rod (304) is slidably arranged inside the circular hole (305).

7. The cylindrical roller bearing with anti-slip function according to claim 5, characterized in that: The auxiliary assembly (4) comprises: an auxiliary seat (401), a push rod (402) and a scraper (403); the number of the auxiliary seats (401) is set to two groups, and the two groups of auxiliary seats (401) are respectively fixedly arranged on the outside of the outer ring frame A (201) and the outer ring frame B (202); the push rod (402) is slidably arranged inside the auxiliary seat (401), and a spring member is arranged between the push rod (402) and the inside of the auxiliary seat (401); the scraper (403) is fixedly arranged at the top of the push rod (402), and the outer surface of the scraper (403) is in contact with the outer surface of the dustproof net inside the dustproof frame (301).

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