Bearing for silicone oil clutch

Abstract

The utility model discloses a bearing for a silicone oil clutch, which comprises an outer sleeve with a first track concave surface on the inner wall, an inner sleeve with a second track concave surface on the outer wall and sleeved in the outer sleeve, a plurality of rolling elements positioned between the outer sleeve and the inner sleeve and in rolling fit with the concave surfaces, and a retainer for retaining the rolling elements, the sealing cover is mounted on the left sides of the outer sleeve and the inner sleeve and is hermetically embedded with the mounting ring groove I through a step ring I, and a lip ring I and a lip ring II are arranged on the inner ring of the sealing cover and are in interference fit with the sealing surface of the inner sleeve. According to the bearing, through the double-side sealing design, an all-dimensional and multi-layer sealing system is constructed, the oil-proof performance is remarkably improved, the leakage risk of silicone oil is effectively reduced, and stable operation of equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, concretely is a bearing for silicone oil clutch. BACKGROUND

[0002] In the field of mechanical equipment, silicone oil clutch has been widely used because of its efficient transmission performance and good temperature control adjustment characteristics. As a key component of silicone oil clutch, the performance of the bearing used with it directly affects the running stability and service life of the entire clutch.

[0003] The existing bearing for silicone oil clutch often causes silicone oil leakage due to sealing design defects during actual work. Once the silicone oil leaks, not only will it greatly reduce the transmission efficiency of the clutch, cause unstable power transmission, but also may contaminate the surrounding equipment due to silicone oil overflow, even cause equipment failure, greatly increase the equipment maintenance cost and downtime. The sealing structure of the traditional bearing is a simple cover body, which adopts a simple single-seal form, and cannot effectively resist the penetration of silicone oil under complex working conditions, and cannot meet the stringent requirements of high reliability and long service life of the equipment. Under this background, developing a silicone oil clutch bearing with excellent oil-proof performance has become a key technical problem to be solved in the industry. UTILITY MODEL CONTENTS

[0004] The utility model provides a bearing for silicone oil clutch in view of the deficiency in the background art.

[0005] The technical scheme adopted by the utility model is: a bearing for silicone oil clutch, comprising:

[0006] An outer sleeve, the inner wall of the outer sleeve has a track concave surface one;

[0007] An inner sleeve, the outer wall of the inner sleeve has a track concave surface two, and the inner sleeve is sleeved in the outer sleeve;

[0008] A plurality of rolling elements, the rolling elements are located between the outer sleeve and the inner sleeve, and the rolling elements are rollingly connected between the concave surface one and the concave surface two;

[0009] A retainer, the retainer is located on both sides of the rolling elements for retaining the rolling elements between the outer sleeve and the inner sleeve;

[0010] A sealing cover, the sealing cover is installed between the left side of the outer sleeve and the inner sleeve, the step ring one on the outer ring of the sealing cover is sealingly embedded in the mounting ring groove one of the outer sleeve, and the inner ring of the sealing cover is provided with a lip ring one and a lip ring two which are in interference sealing cooperation with the sealing surface of the inner sleeve;

[0011] A lip oil seal, the lip oil seal is sealingly installed between the right side of the lip oil seal outer sleeve and the inner sleeve.

[0012] Further, the surface distance between the sealing cover and the outer sleeve and the inner sleeve is 0.1-0.5mm.

[0013] Further, the surface distance between the lip-shaped oil seal and the outer sleeve and the inner sleeve is 0.2-0.7mm.

[0014] Further, the lip ring one comprises a vertical part, an inclined part and a transverse part, and the included angle between the inclined part and the vertical part is 45-70°.

[0015] Further, the lip-shaped oil seal comprises an outer ring, an inner ring, a transition ring, a lip ring three and a lip ring four, the inner ring is located at the left end of the outer ring, the transition ring is protrudingly arranged to the right, and the lip ring three and the lip ring four are obliquely arranged on the two sides of the transition ring.

[0016] Further, the included angle between the lip ring three and the lip ring four is 100-120°.

[0017] Further, the thickness of the outer sleeve and the inner sleeve is 34.5-35.5mm.

[0018] The beneficial effects of the utility model are:

[0019] 1. improve the oil-proof performance: the patent is provided with sealing covers and lip-shaped oil seals on the two sides of the outer sleeve and the inner sleeve, and a comprehensive and multi-level sealing system is constructed, wherein the stepped ring one on the outer ring of the sealing cover is tightly and sealingly embedded in the mounting ring groove one on the outer sleeve, effectively preventing the silicon oil from leaking out of the bearing outer ring gap, and the lip ring one and the lip ring two arranged on the inner ring of the sealing cover are in interference sealing cooperation with the sealing surface on the inner sleeve, forming multiple sealing lines, greatly enhancing the barrier ability to silicon oil, and compared with the traditional single sealing design, the silicon oil leakage risk can be significantly reduced, and the oil-proof effect of the bearing is effectively improved.

[0020] 2. guarantee the stable operation of the equipment: the excellent oil-proof performance enables the silicon oil to circulate normally in the clutch system, avoiding the problem of transmission efficiency reduction caused by silicon oil leakage. The power transmission can be stably maintained, and the phenomena of jamming and shaking during equipment operation are greatly reduced, ensuring that the mechanical equipment can run smoothly and efficiently under various working conditions, and significantly improving the overall stability and reliability of the equipment.

[0021] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. DRAWINGS

[0022] Figure 1 It is a structural schematic view of the utility model.

[0023] Figure 2The utility model discloses a cross section schematic view.

[0024] Figure 3 For Figure 2 The enlarged schematic view of the middle A.

[0025] Figure 4 For Figure 2 The enlarged schematic view of the middle B.

[0026] Figures 1-4 Middle: 1, outer sleeve, 2, track concave surface one, 3, inner sleeve, 4, track concave surface two, 5, rolling element, 6, retainer, 7, sealing cover, 8, step ring one, 9, installation ring groove one, 10, sealing surface, 11, lip ring one, 12, lip ring two, 13, lip oil seal, 14, vertical part, 15, inclined part, 16, transverse part, 17, outer ring, 18, inner ring, 19, transition ring, 20, lip ring three, 21, lip ring four. Specific embodiments

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] It should be noted that if the embodiments of the utility model have directionality indications (such as up, down, left, right, front, back, etc.), the directionality indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indications also change accordingly.

[0029] The utility model provides a bearing for silicone oil clutch.

[0030] In the embodiment, referring to Figures 1-4 The bearing for silicone oil clutch comprises:

[0031] An outer sleeve 1, the inner wall of the outer sleeve 1 has a track concave surface one 2;

[0032] An inner sleeve 3, the outer wall of the inner sleeve 3 has a track concave surface two 4, and the inner sleeve is sleeved in the outer sleeve;

[0033] A plurality of rolling elements 5, the rolling elements 5 are located between the outer sleeve and the inner sleeve, and the rolling elements are rollingly matched with the concave surface one and the concave surface two;

[0034] A retainer 6, the retainer 6 is located on both sides of the rolling elements for retaining the rolling elements between the outer sleeve and the inner sleeve;

[0035] A sealing cover 7 is installed between the left side of the outer sleeve and the inner sleeve, the stepped ring 1 on the outer ring of the sealing cover is sealingly fitted with the installation ring groove 1 on the outer sleeve, and the inner ring of the sealing cover is provided with a lip ring 1 and a lip ring 2 that are in interference sealing fit with the sealing surface 10 on the inner sleeve;

[0036] A lip oil seal 13 is sealingly installed between the right side of the outer sleeve and the inner sleeve.

[0037] In the above technical solution, the track concave surface 1 on the inner wall of the outer sleeve and the track concave surface 2 on the outer wall of the inner sleeve, together with the rolling elements located therebetween, form a high-efficiency rolling friction pair, greatly reducing the friction during rotation and ensuring smooth power transmission. The retainer stably holds the rolling elements to prevent them from shifting or scattering during operation, ensuring the stability and reliability of the bearing operation. The sealing cover and the lip oil seal are respectively installed on the two sides of the outer sleeve and the inner sleeve, forming a perfect sealing system. The sealing cover is sealingly fitted with the installation ring groove 1 through the stepped ring 1, and the lip ring 1 and the lip ring 2 are in interference fit with the sealing surface of the inner sleeve, thereby blocking the leakage of silicone oil from the left side of the bearing; the lip oil seal further strengthens the sealing from the right side, and the multi-directional and multi-level sealing design significantly improves the overall oil-proof performance of the bearing, effectively avoiding the negative impact of silicone oil leakage on the clutch system and surrounding equipment.

[0038] Specifically, the surface distance of the sealing cover from the surfaces of the outer sleeve and the inner sleeve is 0.1-0.5mm.

[0039] In this embodiment, the sealing cover is set to be sunken, reducing the friction possibility between the sealing cover and external components, improving its service life, and further improving the overall stability and reliability of the bearing.

[0040] Specifically, the surface distance of the lip oil seal from the surfaces of the outer sleeve and the inner sleeve is 0.2-0.7mm.

[0041] In this embodiment, the lip oil seal is set to be sunken, reducing the friction possibility between the sealing cover and external components, improving its service life, and further improving the overall stability and reliability of the bearing.

[0042] Specifically, the lip ring 1 includes a vertical portion 14, an inclined portion 15, and a horizontal portion 16, and the included angle between the inclined portion and the vertical portion is 45-70°.

[0043] In this embodiment, the lip ring 1 includes a vertical portion, an inclined portion, and a horizontal portion, and the included angle between the inclined portion and the vertical portion is 45-70°. This angle design allows the lip ring 1 to form a better sealing contact when it is in interference fit with the sealing surface of the inner sleeve.

[0044] Specifically, the lip oil seal comprises an outer ring 17, an inner ring 18, a transition ring 19, a lip ring three 20 and a lip ring four 21, the inner ring is located at the left end of the outer ring, the transition ring is protrudingly arranged to the right, and the lip ring three and the lip ring four are obliquely arranged on the two sides of the transition ring.

[0045] In the embodiment, the lip oil seal comprises the complex structure design of the outer ring, the inner ring, the transition ring, the lip ring three and the lip ring four. The lip ring three and the lip ring four are obliquely arranged on the two sides of the transition ring, and the layout forms a double sealing defense line.

[0046] Specifically, the included angle between the lip ring three and the lip ring four is 100-120°.

[0047] In the embodiment, the included angle between the lip ring three and the lip ring four is set to 100-120°. Within the angle range, the lip ring three and the lip ring four can form a just-right sealing space and contact angle on the two sides of the transition ring, which significantly improves the sealing performance of the lip oil seal and further improves the oil-proof capability of the right side of the bearing.

[0048] Specifically, the thickness of the outer sleeve and the inner sleeve is 34.5-35.5mm.

[0049] In the embodiment, the thickness of the outer sleeve and the inner sleeve is set to 34.5-35.5mm. The thickness range guarantees that the bearing has sufficient strength and rigidity. During the operation of the equipment, the bearing can bear the axial and radial load from the clutch system, prevents the outer sleeve and the inner sleeve from being deformed due to stress, and affects the normal operation of the rolling element and the sealing effect of the sealing structure.

[0050] Skilled persons should know that although the utility model has been described according to the above specific embodiments, the utility model idea is not limited to the utility model, and any modification using the utility model idea will be included in the patent protection range.

Claims

1. A bearing for a silicone oil clutch, characterized by It comprises: a cover, the inner wall of which has a track concave surface one; an inner cover, the outer wall of which has a track concave surface two, and the inner cover is sleeved in the outer cover; a plurality of rolling elements, which are located between the outer cover and the inner cover, and the rolling elements are rolling matched with the concave surface one and the concave surface two; a retainer, which is located on both sides of the rolling elements for retaining the rolling elements between the outer cover and the inner cover; a sealing cover, which is installed between the left side of the outer cover and the inner cover, the step ring one on the outer ring of the sealing cover is sealingly embedded with the installation ring groove one on the outer cover, and the inner ring of the sealing cover is provided with the lip ring one and the lip ring two which are interference sealing matched with the sealing surface on the inner cover; a lip oil seal, which is sealingly installed between the right side of the lip oil seal outer cover and the inner cover.

2. The bearing for a silicone oil clutch of claim 1, wherein: The surface distance of the sealing cover from the surface of the outer cover and the inner cover is 0.1-0.5mm.

3. The bearing for a silicone oil clutch of claim 1, wherein: The surface distance of the lip oil seal from the surface of the outer cover and the inner cover is 0.2-0.7mm.

4. The bearing for a silicone oil clutch of claim 1, wherein: The lip ring one comprises a vertical part, an inclined part and a transverse part, and the included angle between the inclined part and the vertical part is 45-70°.

5. The bearing for a silicone oil clutch of claim 1, wherein: The lip oil seal comprises an outer ring, an inner ring, a transition ring, a lip ring three and a lip ring four, the inner ring is located at the left end of the outer ring, the transition ring is protrudingly arranged to the right, and the lip ring three and the lip ring four are obliquely arranged on both sides of the transition ring.

6. The bearing for a silicone oil clutch of claim 5, wherein: The included angle between the lip ring three and the lip ring four is 100-120°.

7. The bearing for a silicone oil clutch of claim 1, wherein: The thickness of the outer cover and the inner cover is 34.5-35.5mm.

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