Bearing sealing ring structure
By designing a bearing seal ring structure with a telescopic mechanism, the problem of cumbersome lubricant injection operation in the existing technology is solved, realizing convenient lubricant injection and rapid restoration of sealing effect, thus improving the ease of use of the equipment.
Patent Information
- Application Number
- CN202520291703.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing bearing seals require disassembly before lubricant injection, which is cumbersome and reduces work efficiency.
A bearing seal ring structure including a seal ring body, a telescopic mechanism, and a dust cover was designed. The telescopic mechanism drives the seal block to move, enabling convenient injection of lubricant and rapid restoration of the sealing state.
It improves the ease of lubricant injection, prevents lubricant leakage or contaminant entry, and enhances equipment operating efficiency.
Smart Images

Figure CN223563300U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing technical field especially relates to a bearing sealing ring structure. BACKGROUND
[0002] The shaft sleeve sealing ring is mainly used on the shaft or the hole wall to prevent medium leakage or intrusion and plays a vital role in mechanical equipment.
[0003] The Chinese patent with the application publication number CN208997196U discloses a bearing sealing ring structure, in which a reinforcing lip is additionally arranged at the inner diameter end of the sealing ring, and the reinforcing lip is used as the main contact part of the sealing ring and the inner ring, so that the sealing effect is not affected even if there are machining burrs on the inner lip, and the oil leakage problem is fundamentally solved, and the functionality of the sealing ring is ensured.
[0004] When the above-mentioned patent is used, it is found that the sealing ring needs to be disassembled when the bearing is injected with lubricant, which is relatively troublesome to operate and greatly reduces the work efficiency. Therefore, a bearing sealing ring structure is proposed. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the shortcomings in the prior art and provides a bearing sealing ring structure.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A bearing sealing ring structure, comprising a bearing outer ring and a bearing inner ring, characterized in that a sealing ring body is installed between the two sides of the bearing outer ring and the bearing inner ring, a recess is formed in the inside of the sealing ring body, a sealing block is installed in the inside of the recess through an extension mechanism, the extension mechanism is used to drive the sealing block to move in and out, a dust cover is installed on the outside of the two sides of the bearing outer ring and the bearing inner ring, an injection hole is formed in the sealing ring body and the dust cover, a threaded bolt is sleeved on the dust cover, a threaded hole is formed in the inside of the bearing outer ring, the threaded bolt is sleeved in the inside of the threaded hole through threads, and a rolling body is installed between the bearing outer ring and the bearing inner ring.
[0008] Preferably, the extension mechanism comprises a sleeve, a spring and a sliding rod, the sleeve is fixed in the recess on the sealing ring body, the inside of the sleeve is installed with the sliding rod through the spring, and the sliding rod is fixedly connected with the sealing block.
[0009] Preferably, a limiting groove is formed in the inside of the sleeve, a limiting block is fixed on the side edge of the sliding rod, and the limiting block is slidingly installed in the inside of the limiting groove.
[0010] Preferably, the inner part of the sealing ring body is provided with a circular groove, and the sealing block is located in the inner part of the circular groove.
[0011] Preferably, the inner part of the bearing outer ring is provided with a clamping groove, and the side edge of the sealing ring body is fixed with a clamping block which is clamped in the inner part of the clamping groove.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、In the utility model, the sealing ring body is inserted between the two sides of the bearing outer ring and the bearing inner ring, the clamping block is clamped in the clamping groove on the bearing outer ring, after the sealing ring body is installed, the dust cover is attached to the outer side of the sealing ring body, and the dust cover is installed by screwing the threaded bolt, so that the installation of the sealing ring body and the dust cover is facilitated, and leakage or pollution caused by lubricant during use is prevented.
[0014] 2、In the utility model, when the lubricant needs to be injected, the syringe is inserted into the injection hole and the sealing block is pressed inward, so that the sealing block drives the sliding rod to slide in the sleeve and stretch the spring, the sealing block is separated from the sealing ring body, at this time, the lubricant can be injected into the bearing, after the lubricant is injected, the syringe is pulled out, and the sliding rod drives the sealing block to return to the inner part of the sealing ring body and form a sealed state through the cooperation of the spring, so that the lubricant is conveniently injected, and the ease of use of the equipment is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the bearing sealing ring structure of the utility model;
[0016] Figure 2 It is a sealing block structural schematic view of the bearing sealing ring structure of the utility model;
[0017] Figure 3 It is a rolling body structural schematic view of the bearing sealing ring structure of the utility model;
[0018] Figure 4 It is a telescopic mechanism structural schematic view of the bearing sealing ring structure of the utility model.
[0019] In the drawing: 1, bearing outer ring, 2, bearing inner ring, 3, sealing ring body, 4, telescopic mechanism, 41, sleeve, 42, spring, 43, sliding rod, 5, limiting block, 6, sealing block, 7, clamping block, 8, injection hole, 9, dust cover, 10, threaded bolt, 11, threaded hole, 12, rolling body. DETAILED DESCRIPTION
[0020] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.
[0021] With reference to Figures 1-3 A bearing sealing ring structure, comprising a bearing outer ring 1 and a bearing inner ring 2, characterized in that sealing ring bodies 3 are installed between the two sides of the bearing outer ring 1 and the bearing inner ring 2, a clamping groove is formed in the inside of the bearing outer ring 1, clamping blocks 7 are fixed to the sides of the sealing ring bodies 3, the clamping blocks 7 are clamped in the inside of the clamping groove, grooves are formed in the inside of the sealing ring bodies 3, sealing blocks 6 are installed in the inside of the grooves through telescopic mechanisms 4, the telescopic mechanisms 4 are used to drive the sealing blocks 6 to move telescopically, circular grooves are formed in the inside of the sealing ring bodies 3, the sealing blocks 6 are located in the inside of the circular grooves, dust covers 9 are installed on the outside of the two sides of the bearing outer ring 1 and the bearing inner ring 2, injection holes 8 are formed in the sealing ring bodies 3 and the dust covers 9, threaded bolts 10 are sleeved on the dust covers 9, threaded holes 11 are formed in the inside of the bearing outer ring 1, the threaded bolts 10 are sleeved in the inside of the threaded holes 11 through threads, rolling elements 12 are installed between the bearing outer ring 1 and the bearing inner ring 2, the sealing ring bodies 3 are inserted between the two sides of the bearing outer ring 1 and the bearing inner ring 2, the clamping blocks 7 are clamped in the clamping groove on the bearing outer ring 1, after the sealing ring bodies 3 are installed, the dust covers 9 are attached to the outside of the sealing ring bodies 3, the threaded bolts 10 are screwed to complete the installation of the dust covers 9, thereby facilitating the installation of the sealing ring bodies 3 and the dust covers 9 and preventing leakage or pollutants from entering during use.
[0022] With reference to Figure 4 The telescopic mechanism 4 comprises a sleeve 41, a spring 42 and a sliding rod 43, the sleeve 41 is fixed in the groove on the sealing ring body 3, the sliding rod 43 is installed in the inside of the sleeve 41 through the spring 42, a limiting groove is formed in the inside of the sleeve 41, a limiting block 5 is fixed to the side of the sliding rod 43, the limiting block 5 is slidingly installed in the inside of the limiting groove, the sliding rod 43 is fixedly connected with the sealing block 6, when the lubricant needs to be injected, a syringe is inserted into the injection hole 8 and the sealing block 6 is pressed inward, the sealing block 6 drives the sliding rod 43 to slide in the sleeve 41 and stretch the spring 42, the sealing block 6 is separated from the sealing ring body 3, at this time, the lubricant can be injected into the bearing, after the injection of the lubricant is completed, the syringe is pulled out, through the cooperation of the spring 42, the sliding rod 43 drives the sealing block 6 to return to the inside of the sealing ring body 3 and form a sealed state, thereby facilitating the injection of the lubricant and greatly improving the ease of use of the equipment.
[0023] Working principle: the sealing ring body 3 is inserted into the bearing outer ring 1 and the bearing inner ring 2 between the two sides, the clamping block 7 is clamped in the bearing outer ring 1 on the card slot, when the sealing ring body 3 is installed, the dust cover 9 is attached to the outer side of the sealing ring body 3, the threaded bolt 10 is screwed to complete the installation of the dust cover 9, so as to facilitate the installation of the sealing ring body 3 and the dust cover 9, prevent the lubricant from leaking or pollutants from entering during use, when the lubricant is insufficient and needs to be injected, the syringe is inserted into the injection hole 8 and the sealing block 6 is squeezed inward, the sealing block 6 drives the slide rod 43 to slide in the sleeve 41 and stretch the spring 42, the sealing block 6 is separated from the sealing ring body 3, at this time, the lubricant can be injected into the bearing, when the lubricant injection is completed, the syringe is pulled out, through the cooperation of the spring 42, the slide rod 43 drives the sealing block 6 to restore to the inside of the sealing ring body 3 and form a sealed state, so as to facilitate the injection of the lubricant, greatly improve the ease of use of the equipment.
[0024] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A bearing seal ring structure comprising a bearing outer ring (1) and a bearing inner ring (2), characterized in that, The bearing outer ring (1) and the bearing inner ring (2) are both installed with sealing ring bodies (3), the inside of the sealing ring body (3) is provided with a groove, the inside of the groove is installed with a sealing block (6) through an extension mechanism (4), the extension mechanism (4) is used for driving the sealing block (6) to move in extension and retraction, the both sides of the bearing outer ring (1) and the bearing inner ring (2) are both installed with dust covers (9), the sealing ring body (3) and the dust cover (9) are both provided with injection holes (8), the dust cover (9) is sleeved with a threaded bolt (10), the inside of the bearing outer ring (1) is provided with a threaded hole (11), the threaded bolt (10) is sleeved in the inside of the threaded hole (11) through a threaded sleeve, the bearing outer ring (1) and the bearing inner ring (2) are installed with rolling elements (12).
2. The bearing seal ring structure of claim 1, wherein The extension mechanism (4) comprises a sleeve pipe (41), a spring (42) and a sliding rod (43), the sleeve pipe (41) is fixed in the inside of the groove on the sealing ring body (3), the inside of the sleeve pipe (41) is installed with the sliding rod (43) through the spring (42), and the sliding rod (43) is fixedly connected with the sealing block (6).
3. The bearing seal ring structure of claim 2, wherein The inside of the sleeve pipe (41) is provided with a limiting groove, the side of the sliding rod (43) is fixedly provided with a limiting block (5), and the limiting block (5) is slidably installed in the inside of the limiting groove.
4. The bearing seal ring structure of claim 1, wherein The inside of the sealing ring body (3) is provided with a circular groove, and the sealing block (6) is located in the inside of the circular groove.
5. The bearing seal ring structure of claim 1, wherein The inside of the bearing outer ring (1) is provided with a clamping groove, the side of the sealing ring body (3) is fixedly provided with a clamping block (7), and the clamping block (7) is clamped in the inside of the clamping groove.
Citation Information
Patent Citations
Bearing sealing ring structure
CN208997196U