Anti-overheating sliding bearing

By setting upper and lower transverse grooves and connecting channels in the sliding bearing, and utilizing circulating water flow for heat exchange, the problem of overheating due to friction in the sliding bearing is solved, and an effective heat dissipation effect is achieved.

CN223662391UActive Publication Date: 2025-12-12JIASHAN HONGRONG MASCH CO LTD
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Patent Information

Application Number
CN202520213679.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-12-12
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

Existing sliding bearings generate a lot of heat due to friction at high speeds, which can lead to excessively high temperatures and potentially damage the bearings.

Method used

The cylindrical bearing body is designed with an upper horizontal groove, a lower horizontal groove, and a connecting channel. The outer shell has a water inlet and a water outlet. Heat exchange and heat dissipation are achieved through circulating water flow, and the installation is ensured to be stable through a fixing ring and a limiting ring.

Benefits of technology

It effectively removes heat from the bearing body, prevents overheating, and improves the bearing's service life and reliability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223662391U_ABST
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Abstract

The utility model relates to the field of sliding bearings, in particular to an anti-overheating sliding bearing which comprises a cylindrical bearing main body, an upper transverse groove, a lower transverse groove and a plurality of connecting channels are arranged on the bearing main body, the connecting channels are connected with the upper transverse groove and the lower transverse groove, the anti-overheating sliding bearing further comprises a shell and a fixing ring, the shell is arranged on the bearing main body in a sleeved mode, and the fixing ring is arranged on the shell. A water inlet and a water outlet are formed in the shell, the water inlet is communicated with the upper transverse groove, the water outlet is communicated with the lower transverse groove, the fixing ring is fixedly connected with the bearing body, and the fixing ring is fixedly arranged on the side face of the shell. Through the arrangement of the upper transverse groove, the lower transverse groove, the connecting channel and the shell, liquid can flow in the connecting channel, so that heat accumulated in the bearing main body is taken away, and heat dissipation is realized.
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Description

Technical Field

[0001] This utility model relates to the field of sliding bearings, and in particular to an anti-overheating sliding bearing. Background Technology

[0002] A sliding bearing is a component that provides rotational support to a rotating shaft through relative sliding between the bearing body and the shaft body. Generally, during high-speed rotation, the dry friction between the bearing body and the rotating shaft results in significant frictional force. This not only consumes the power of the rotating shaft but also generates a large amount of heat. If this heat cannot be dissipated in time, the temperature at the contact point between the lower part of the bearing and the rotating shaft may become too high, leading to uneven heating of the bearing and potential damage.

[0003] Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an overheat-resistant sliding bearing. This utility model is achieved through the following technical solution:

[0005] An overheat-resistant sliding bearing includes a cylindrical bearing body with an upper transverse groove, a lower transverse groove, and several connecting channels connecting the upper and lower transverse grooves. It also includes a housing and a retaining ring. The housing is fitted onto the bearing body and has an inlet and an outlet. The inlet communicates with the upper transverse groove, and the outlet communicates with the lower transverse groove. The retaining ring is fixedly connected to the bearing body and is fixedly disposed on the side of the housing.

[0006] In the above technical solution: the bearing body is used to contact the rotating shaft and plays the basic role of a sliding bearing; the upper and lower transverse grooves are designed to allow liquid to flow into each connecting channel; the connecting channels are designed to allow the liquid to contact the bearing body for a longer period of time, thereby enabling longer heat exchange; the outer shell is used to seal the upper and lower transverse grooves; the inlet is used for the liquid to enter; the outlet is used for the liquid to exit; and the fixing ring is used to fix the position of the outer shell.

[0007] A further feature of this invention is that the bottom surface of the upper horizontal groove is inclined.

[0008] In the above technical solution: the bottom surface of the upper horizontal groove is inclined, so that the liquid in it will flow under the influence of gravity, thereby making the chance of liquid flowing into each connecting channel more equal.

[0009] A further feature of this invention is that the inner wall surface of the outer shell is also inclined.

[0010] In the above technical solution: the inner wall surface of the outer shell is also inclined to prevent liquid from accumulating in the lower horizontal groove and flowing out.

[0011] A further feature of this invention is that the length of the upper transverse groove is less than the length of the bearing body, and the length of the lower transverse groove is also less than the length of the bearing body.

[0012] In the above technical solution, the length of the upper transverse groove is less than the length of the bearing body, and the length of the lower transverse groove is less than the length of the bearing body, in order to reduce the possibility of liquid leakage.

[0013] A further feature of this invention is that a limiting ring is provided on the bearing body, and one end of the outer shell is in contact with the limiting ring.

[0014] In the above technical solution: the limiting ring is used to limit the position of one end of the housing when installing the housing.

[0015] This utility model discloses an overheat-resistant sliding bearing, which, compared with the prior art:

[0016] 1. This utility model, by setting up an upper horizontal groove, a lower horizontal groove, a connecting channel and a shell, allows liquid to flow within the connecting passage, thereby carrying away the heat accumulated in the bearing body and achieving heat dissipation;

[0017] 2. This utility model also incorporates a fixing ring, which makes the installation of the outer casing more accurate and secure, thereby reducing liquid leakage. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model;

[0019] Figure 2 This is a cross-sectional view of the present invention;

[0020] Figure 3 This is a schematic diagram of the bearing body of this utility model;

[0021] Figure 4 This is a cross-sectional view of another embodiment of the present invention.

[0022] The numbers and letters in the diagram represent the following component names: 10-Bearing body; 101-Upper transverse groove; 102-Lower transverse groove; 103-Connecting channel; 104-Limiting ring; 20-Outer shell; 201-Inlet; 202-Outlet; 30-Fixing ring. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below. These embodiments are implemented based on the technical solution of this utility model and provide detailed implementation methods and specific operation processes. However, the protection scope of this utility model is not limited to the following embodiments.

[0024] like Figure 1-3 As shown, the present invention proposes an anti-overheating sliding bearing, comprising a cylindrical bearing body 10, wherein the bearing body 10 is provided with an upper transverse groove 101, a lower transverse groove 102 and a plurality of connecting channels 103, the connecting channels 103 connecting the upper transverse groove 101 and the lower transverse groove 102, and further comprising a housing 20 and a fixing ring 30, wherein the housing 20 is sleeved on the bearing body 10, and the housing 20 is provided with a water inlet 201 and a water outlet 202, the water inlet 201 communicating with the upper transverse groove 101, the water outlet 202 communicating with the lower transverse groove 102, the fixing ring 30 being fixedly connected to the bearing body 10, and the fixing ring 30 being fixedly disposed on the side of the housing 20. Preferably, the outer shell 20 and the bearing body 10 are transition fits, and the retaining ring 30 and the outer shell 20 are also transition fits; the outer diameter of the retaining ring 30 is the same as the diameter of the outer shell 20; a sealing ring may be provided on the side of the retaining ring 30 near the outer shell 20; the path of the connecting channel 103 is semi-circular; the connecting channel 103 includes a left connecting channel and a right connecting channel, the left connecting channel connects the left side wall of the upper transverse groove 101 and the left side wall of the lower transverse groove 102, and the right connecting channel connects the right side wall of the upper transverse groove 101 and the right side wall of the lower transverse groove 102.

[0025] like Figure 1-3 As shown, this utility model proposes an anti-overheating sliding bearing, wherein the bottom surface of the upper transverse groove 101 is inclined. Specifically, the bottom of the upper transverse groove 101 is higher in the middle and lower at both ends; the water inlet 201 is located on the outer casing 20 at a position corresponding to the middle of the upper transverse groove 101.

[0026] like Figure 1 and 4 As shown, the present invention proposes an anti-overheating sliding bearing in which the inner wall surface of the outer casing 20 is also inclined. This is another technical solution, which avoids the continuous accumulation of liquid in the lower transverse groove 102 by making the inner wall surface of the outer casing 20 also inclined. Specifically, the inner diameter of the side of the inner wall surface of the outer casing 20 away from the fixing ring 30 is larger, and the inner diameter of the other side is smaller; the outlet 202 is located on the side of the outer casing 20 away from the fixing ring 30.

[0027] like Figure 1-3As shown, this utility model proposes an anti-overheating sliding bearing in which the length of the upper transverse groove 101 is less than the length of the bearing body 10, and the length of the lower transverse groove 102 is also less than the length of the bearing body 10. Preferably, the lengths of the upper transverse groove 101 and the lower transverse groove 102 are the same.

[0028] like Figure 1-3 As shown, this utility model proposes an overheat-resistant sliding bearing, wherein a limiting ring 104 is provided on the bearing body 10, and one end of the outer shell 20 contacts the limiting ring 104. The outer diameter of the limiting ring 104 is the same as the outer diameter of the outer shell 20.

[0029] The working principle of this utility model is as follows:

[0030] a) Install this utility model with the bearing housing;

[0031] b) Align the pre-drilled water injection hole on the bearing housing with the water inlet;

[0032] c) Align the pre-drain hole on the bearing housing with the water outlet;

[0033] d) When bearings are in use;

[0034] e) Allow the circulating water to flow through the pipe into the water injection hole of the bearing housing, and then into the water inlet;

[0035] f) Circulating water flows into each connecting channel through the inlet;

[0036] g) When the circulating water flows through the connecting channel, it exchanges heat with the bearing body and carries away the heat from the bearing body;

[0037] h) The circulating water flows into the lower transverse trough;

[0038] i) The circulating water flows out from the outlet of the lower horizontal groove, reaches the drain hole of the bearing housing, and then flows away through the pipe.

[0039] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. An overheat-resistant sliding bearing, characterized in that: The bearing includes a cylindrical bearing body (10), on which an upper horizontal groove (101), a lower horizontal groove (102), and several connecting channels (103) are provided. The connecting channels (103) connect the upper horizontal groove (101) and the lower horizontal groove (102). The bearing also includes a housing (20) and a fixing ring (30). The housing (20) is fitted onto the bearing body (10). The housing (20) is provided with an inlet (201) and an outlet (202). The inlet (201) communicates with the upper horizontal groove (101), and the outlet (202) communicates with the lower horizontal groove (102). The fixing ring (30) is fixedly connected to the bearing body (10) and is fixedly disposed on the side of the housing (20).

2. The anti-overheat sliding bearing according to claim 1, characterized in that: The bottom surface of the upper horizontal groove (101) is inclined.

3. The anti-overheat sliding bearing according to claim 2, characterized in that: The inner wall surface of the outer shell (20) is also inclined.

4. The anti-overheating sliding bearing according to claim 2 or 3, characterized in that: The length of the upper transverse groove (101) is less than the length of the bearing body (10), and the length of the lower transverse groove (102) is also less than the length of the bearing body (10).

5. The anti-overheat sliding bearing according to claim 4, characterized in that: A limiting ring (104) is provided on the bearing body (10), and one end of the outer shell (20) is in contact with the limiting ring (104).