A sliding bearing structure that is easy to change the matching size

Abstract

The utility model relates to the field of sliding bearings, and in particular to a sliding bearing structure that is easy to change the adaptation size, including a base, a mounting tube, a fixing ring and a sliding bearing, wherein the mounting tube is detachably fixedly connected to the base, and a first clearance hole is provided on the base, the fixing ring is detachably fixedly connected to the base, and a second clearance hole is provided on the fixing ring, the mounting tube is located between the base and the fixing ring, and one end of the mounting tube passes through the first clearance hole, and the other end passes through the second clearance hole, and the sliding bearing is rotatably connected to the mounting tube. The utility model uses a three-stage arrangement of a base, a mounting tube and a fixing ring, so that sliding bearings of different sizes can be adapted by replacing mounting tubes with different inner diameters, and has good adaptability and a wider range of uses.

Description

Technical Field

[0001] The utility model relates to the field of sliding bearings, in particular to a sliding bearing structure which is convenient for changing the matching size. Background Art

[0002] Sliding bearings are generally used in conjunction with bearing seats, which are used to fix the sliding bearings so that when the shaft and the sliding bearing rotate relative to each other, the sliding bearings will not rotate with the shaft. However, existing bearing seats can generally only be matched with sliding bearings of a single size and cannot adapt to sliding bearings of various sizes.

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

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a sliding bearing structure that is easy to change the adaptation size. The utility model is achieved through the following technical solutions:

[0005] A sliding bearing structure that is easy to change the adaptation size includes a base, a mounting tube, a fixing ring and a sliding bearing, wherein the mounting tube is detachably fixedly connected to the base, and a first clearance hole is provided on the base, the fixing ring is detachably fixedly connected to the base, and a second clearance hole is provided on the fixing ring, the mounting tube is located between the base and the fixing ring, and one end of the mounting tube passes through the first clearance hole, and the other end passes through the second clearance hole, and the sliding bearing is rotatably connected to the mounting tube.

[0006] In the above technical solution: the base is used to fix the remaining components; the mounting tube is used to cooperate with the sliding bearing; the fixing ring is used to fix the axial position of the mounting tube; the sliding bearing is used to cooperate with the rotating shaft; the first clearance hole and the second clearance hole are used for the mounting tube to pass through, so that the sliding bearing only contacts with the mounting tube, so that the installation of sliding bearings of different sizes can be achieved by replacing mounting tubes with different inner diameters.

[0007] The utility model is further configured as follows: an oil filling hole is also provided on the installation cylinder.

[0008] In the above technical solution: the oil filling hole is used to fill oil into the sliding bearing.

[0009] The utility model is further configured as follows: a first ring groove is further provided on the base, a first mounting ring is provided on the mounting tube, and the first ring groove is clamped with the first mounting ring.

[0010] In the above technical solution: the first annular groove is used to cooperate with the first mounting ring so that the mounting tube and the base will not be displaced in the radial direction.

[0011] The utility model is further configured as follows: a second ring groove is provided on the installation tube, a second installation ring is provided on the fixing ring, and the second ring groove is clamped with the second installation ring.

[0012] In the above technical solution: the second annular groove is used to cooperate with the second mounting ring so that the mounting tube and the fixing ring will not be displaced in the radial direction.

[0013] The utility model is further configured as follows: a first rubber ring is arranged in the first ring groove, and a second rubber ring is arranged in the second ring groove.

[0014] In the above technical solution: the first rubber ring and the second rubber ring are provided to prevent the installation tube from shaking slightly in the axial direction.

[0015] The utility model is further configured as follows: the length of the sliding bearing is greater than the length of the mounting tube.

[0016] In the above technical solution: the length of the sliding bearing is greater than the length of the mounting tube, so as to prevent dust and oil from gathering at the boundary between the mounting tube and the sliding bearing and hindering the rotation of the sliding bearing.

[0017] The utility model is further configured as follows: the sliding bearing is also provided with an oil groove and an oil hole.

[0018] In the above technical solution: the oil groove and the oil hole are used to lubricate the rotation of the shaft.

[0019] The utility model discloses a sliding bearing structure which is convenient for changing the adaption size. Compared with the prior art:

[0020] 1. The utility model adopts a three-stage arrangement of a base, a mounting tube and a fixing ring, so that sliding bearings of different sizes can be adapted by replacing mounting tubes with different inner diameters, which has good adaptability and a wider range of applications;

[0021] 2. The utility model also provides a first ring groove, a first mounting ring, a second ring groove and a second mounting ring, so that the mounting tube will not move randomly in the radial direction, and provides a first rubber ring and a second rubber ring, so that the mounting tube will not move randomly in the axial direction, thereby improving the stability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the utility model;

[0023] Figure 2 It is a rear view of the utility model;

[0024] Figure 3 It is a cross-sectional view of the utility model;

[0025] Figure 4 This is a cross-sectional view of the utility model without including a sliding bearing.

[0026] The corresponding component names represented by the numbers and letters in the figure are: 10-base; 101-first clearance hole; 102-first ring groove; 20-mounting cylinder; 201-oil filling hole; 202-first mounting ring; 203-second ring groove; 30-fixing ring; 301-second clearance hole; 302-second mounting ring; 40-sliding bearing; 401-oil groove; 402-oil hole; 50-first rubber ring; 60-second rubber ring. DETAILED DESCRIPTION

[0027] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0028] like Figure 1-3 As shown, the utility model proposes a sliding bearing structure that is easy to change the adaptation size, including a base 10, a mounting tube 20, a fixing ring 30 and a sliding bearing 40, wherein the mounting tube 20 is detachably fixedly connected to the base 10, and a first clearance hole 101 is provided on the base 10, the fixing ring 30 is detachably fixedly connected to the base 10, and a second clearance hole 301 is provided on the fixing ring 30, the mounting tube 20 is located between the base 10 and the fixing ring 30, and one end of the mounting tube 20 passes through the first clearance hole 101, and the other end passes through the second clearance hole 301, and the sliding bearing 40 is rotatably connected to the mounting tube 20. The base 10 includes an upper part and a lower part; a convex ring is provided on the outer wall of the mounting tube 20, and a groove is provided on the upper part and the lower part of the base 10, and the outer diameter of the convex ring is consistent with the diameter of the groove; the fixing ring 30 is annular, and the outer diameter of the fixing ring 30 is consistent with the diameter of the groove.

[0029] like Figure 1-3 As shown, the utility model provides a sliding bearing structure that is easy to change the adaptation size, and the mounting cylinder 20 is also provided with an oil injection hole 201. The oil injection hole 201 penetrates the mounting cylinder 20 and the convex ring of the mounting cylinder 20. The base 10 is also provided with a clearance hole to facilitate the contact between the oil injection device and the oil injection hole 201.

[0030] like Figure 1-3 As shown, the utility model proposes a sliding bearing structure that is easy to change the adaptation size. The base 10 is also provided with a first annular groove 102, and the mounting tube 20 is provided with a first mounting ring 202, and the first annular groove 102 is clamped with the first mounting ring 202.

[0031] like Figure 1-3 As shown, the utility model provides a sliding bearing structure that is easy to change the adaptation size, the installation cylinder 20 is provided with a second annular groove 203, the fixing ring 30 is provided with a second installation ring 302, and the second annular groove 203 is clamped with the second installation ring 302. The base 10 is also provided with threaded holes, so that the upper and lower parts of the base 10 can be fixed by bolts.

[0032] like Figure 1-3 As shown, the utility model provides a sliding bearing structure that is easy to change the adaptation size, wherein a first rubber ring 50 is arranged in the first ring groove 102, and a second rubber ring 60 is arranged in the second ring groove 203. The thickness of the first rubber ring 50 is less than the depth of the first ring groove 102; the thickness of the second rubber ring 60 is less than the depth of the second ring groove 203.

[0033] like Figure 1-3 As shown, the utility model proposes a sliding bearing structure that is easy to change the adaptation size, and the length of the sliding bearing 40 is greater than the length of the mounting tube 20. The mounting tube 20 is composed of two parts, the upper and lower parts, and the first mounting ring 202, the second ring groove 203 and the convex ring are all composed of two parts.

[0034] like Figure 1-3 As shown, the utility model provides a sliding bearing structure that is easy to change the adaptable size, and the sliding bearing 40 is also provided with an oil groove 401 and an oil hole 402.

[0035] The working principle of the utility model is:

[0036] a) Put the fixing ring onto the rotating shaft in advance;

[0037] b) Assemble the lower part of the mounting tube with the lower part of the base;

[0038] c) placing the rotating shaft onto the lower portion of the mounting cylinder;

[0039] d) placing the upper portion of the mounting tube onto the lower portion of the mounting tube;

[0040] e) Slide the upper portion of the mounting tube to align it with the lower portion of the mounting tube;

[0041] f) clamping the fixing ring sleeved on the rotating shaft into the mounting tube;

[0042] g) Install the upper part of the base so that the upper part of the base is engaged with the upper part of the installation tube;

[0043] h) Fix the upper part of the base and the lower part of the base.

[0044] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A sliding bearing structure that is easy to change the adaptation size, characterized in that: The invention comprises a base (10), a mounting tube (20), a fixing ring (30) and a sliding bearing (40); the mounting tube (20) is detachably fixedly connected to the base (10), and a first clearance hole (101) is provided on the base (10); the fixing ring (30) is detachably fixedly connected to the base (10), and a second clearance hole (301) is provided on the fixing ring (30); the mounting tube (20) is located between the base (10) and the fixing ring (30), and one end of the mounting tube (20) passes through the first clearance hole (101), and the other end passes through the second clearance hole (301); and the sliding bearing (40) is rotatably connected to the mounting tube (20).

2. A sliding bearing structure that is easy to change the adaptable size according to claim 1, characterized in that: The installation cylinder (20) is also provided with an oil injection hole (201).

3. A sliding bearing structure that is easy to change the adaptable size according to claim 2, characterized in that: The base (10) is also provided with a first annular groove (102), and the mounting tube (20) is provided with a first mounting ring (202), and the first annular groove (102) is engaged with the first mounting ring (202).

4. A sliding bearing structure that is easy to change the adaptable size according to claim 3, characterized in that: The installation tube (20) is provided with a second annular groove (203), the fixing ring (30) is provided with a second installation ring (302), and the second annular groove (203) is engaged with the second installation ring (302).

5. A sliding bearing structure that is easy to change the adaptable size according to claim 4, characterized in that: A first rubber ring (50) is arranged in the first annular groove (102), and a second rubber ring (60) is arranged in the second annular groove (203).

6. A sliding bearing structure that is easy to change the adaptable size according to claim 5, characterized in that: The length of the sliding bearing (40) is greater than the length of the mounting cylinder (20).

7. A sliding bearing structure that is easy to change the adaptable size according to claim 6, characterized in that: The sliding bearing (40) is also provided with an oil groove (401) and an oil hole (402).

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