Double-rotation sliding bearing
By introducing a dual-rotation structure and a rotating sleeve into the sliding bearing, combined with a limiting device and anti-friction materials, the problems of low rotational speed and easy seizing of the sliding bearing are solved, achieving higher rotational speed and stability.
Patent Information
- Application Number
- CN202520695667.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-14
AI Technical Summary
The existing sliding bearings rotate in a single rotation, resulting in low rotational speed and a tendency to seize up. Structural deformation also affects normal operation.
The system employs a dual-rotation structure, with a rotating sleeve positioned between the first and second sliding bearings. Combined with a limiting device and friction-reducing materials, it improves anti-locking and deformation issues.
It increases rotational speed, improves the stability of sliding bearings, and enhances the efficiency of mechanical systems.
Smart Images
Figure CN223953080U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a two -fold rotation's sliding bearing belongs to bearing technical field. BACKGROUND
[0002] The existing sliding bearing is one -fold rotation, that is, the sliding bearing holds the movement mode of the shaft. In use, the sliding bearing and the shaft will be locked. The structure of the sliding bearing limits the rotation speed of such operation, and the linear speed is relatively low. Due to the structural limitation, such sliding bearing will directly affect the normal work of the bearing if deformation occurs.
[0003] To eliminate the problems existing in the sliding bearing, the simple method is to change the structure of the sliding bearing from one -fold rotation to two -fold rotation. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at overcoming the deficiencies in the prior art and providing a two -fold rotation's sliding bearing.
[0005] In order to achieve the above -mentioned purpose, in order to solve the above -mentioned technical problems, the utility model adopts the following technical scheme:
[0006] A two -fold rotation's sliding bearing, comprising:
[0007] The first sliding bearing and the second sliding bearing are slidably connected through the sleeved rotary sleeve body, the rotary sleeve body is slidably sleeved in the first sliding bearing, the second sliding bearing is slidably sleeved in the rotary sleeve body, and the second sliding bearing is used for connecting the driving shaft.
[0008] Optionally, the first sliding bearing is provided with a limiting device limiting the rotary sleeve body from separating from the first sliding bearing at both ends.
[0009] Optionally, the limiting device comprises a mounting groove opened in the interior of both ends of the first sliding bearing, and a clamping spring is arranged in the mounting groove.
[0010] Optionally, a part of the clamping spring is arranged in the mounting groove, and the remaining part is blocked on the end face of the rotary sleeve body.
[0011] Optionally, the diameters of the first sliding bearing, the second sliding bearing and the rotary sleeve body decrease in turn.
[0012] Optionally, the end portion of the second sliding bearing is provided with a spline groove.
[0013] Optionally, the spline groove is provided with at least two.
[0014] Optionally, the rotary sleeve body, the first sliding bearing and the second sliding bearing adopt a friction reducing material.
[0015] Compared with the prior art, the utility model discloses the beneficial effects reached have:
[0016] The utility model discloses a double rotation, set up a rotating sleeve between two sliding bearings, improve anti -lock, improve the condition of deformation simultaneously, improve the running speed. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the explosion structural drawing of the utility model sliding bearing;
[0018] Figure 2 It is the main view structural drawing of the utility model;
[0019] Figure 3 It is the first sliding bearing schematic drawing of the utility model;
[0020] Figure 4 It is the clamp spring installation schematic drawing of the utility model;
[0021] Figure 5 It is the second sliding bearing main view of the utility model;
[0022] Fig. 1, first sliding bearing;11, installation groove;2, rotating sleeve body;21, end face;3, second sliding bearing;31, keyway;4, drive shaft;5, clamp spring. DETAILED DESCRIPTION
[0023] The utility model will be further described below in conjunction with the drawings. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.
[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0025] As Figure 1 A two-fold rotating sliding bearing, comprising:
[0026] The first sliding bearing 1 and the second sliding bearing 3 are slidably connected through the sleeving rotating sleeve body 2, the rotating sleeve body 2 is sleeved in the first sliding bearing 1, and the second sliding bearing 3 is sleeved in the rotating sleeve body 2, and the second sliding bearing 3 is used for connecting a driving shaft.
[0027] As shown in Figures 3-4 The first sliding bearing 1 is provided with a limiting device for limiting the rotating sleeve body 2 from being separated from the first sliding bearing 1 at both ends, in order to prevent the rotating sleeve body 2 from walking when rotating, the limiting device is arranged in the embodiment, and is used for preventing the rotating sleeve body 2 from walking, and the limiting device cannot block the rotating shaft, therefore, the limiting device comprises a mounting groove 11 arranged in the interior of both ends of the first sliding bearing 1, and a clamping spring 5 is arranged in the mounting groove 11.
[0028] Further, as shown in Figure 4 In order that the limiting device cannot block the rotating shaft, part of the clamping spring 5 is arranged in the mounting groove 11, and the remaining part is blocked on the end face 21 of the rotating sleeve body 2.
[0029] As shown in Figures 1-2 The diameters of the first sliding bearing 1, the second sliding bearing 3 and the rotating sleeve body 2 are gradually reduced, the three are in sliding frictional contact, the gap between the three is reduced, and the rotation is more stable.
[0030] As shown in Figure 5 The end portion of the second sliding bearing 3 is provided with a spline groove 31, the spline groove 31 is used for fixing the rotating shaft and the second sliding bearing 3 through a key, in order to make the rotating shaft and the second sliding bearing 3 more firmly installed, in the embodiment, the spline groove 31 is provided with at least two.
[0031] In the embodiment, the rotating sleeve body 2, the first sliding bearing 1 and the second sliding bearing 3 adopt a friction-reducing material, a functional material capable of reducing a friction coefficient between contact surfaces, reducing abrasion and improving mechanical system efficiency.
[0032] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0033] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and deformations can be made, and these improvements and deformations should also be considered as the protection scope of the present application.
Claims
1. A dual rotating slewing bearing, characterized by The utility model relates to a kind of sliding bearing, including: First sliding bearing (1) and second sliding bearing (3), first sliding bearing (1) and second sliding bearing (3) are slidably connected by sleeve setting rotary sleeve body (2), the rotary sleeve body (2) is slidably set in first sliding bearing (1), the second sliding bearing (3) is slidably set in rotary sleeve body (2), and the second sliding bearing (3) is used to connect driving shaft.
2. The dual rotating plain bearing according to claim 1, characterized in that The first sliding bearing (1) is equipped with limiting device for limiting the rotary sleeve body (2) to escape from the first sliding bearing (1) at both ends.
3. The dual rotating plain bearing according to claim 2, characterized in that The limiting device includes mounting groove (11) opened in the interior of both ends of first sliding bearing (1), and snap spring (5) is arranged in the mounting groove (11).
4. The dual rotating plain bearing according to claim 3, characterized in that Part of the snap spring (5) is arranged in the mounting groove (11), and the remaining part is blocked on the end face (21) of the rotary sleeve body (2).
5. The dual rotating plain bearing according to claim 1, characterized in that The diameters of the first sliding bearing (1), the second sliding bearing (3) and the rotary sleeve body (2) are gradually reduced.
6. The dual rotating plain bearing according to claim 1, characterized in that The end of the second sliding bearing (3) is provided with a spline groove (31).
7. The dual rotating plain bearing according to claim 6, characterized in that The spline groove (31) is provided with at least two.
8. The dual rotating plain bearing according to claim 1, characterized in that The rotary sleeve body (2), the first sliding bearing (1) and the second sliding bearing (3) are made of a friction-reducing material.