High-precision sliding bearing

Abstract

The utility model relates to the technical field of sliding bearings, and discloses a high-precision sliding bearing which comprises a bearing seat and a bearing cover, the bearing cover is arranged on the bearing seat, a butt joint mechanism is arranged on the bearing seat, a lower bearing bush is arranged in the bearing seat, an upper bearing bush is arranged in the bearing cover, and the butt joint mechanism is arranged on the upper bearing bush. And the butt joint mechanism comprises a device groove and an inserting column, a bearing is fixedly installed in the device groove, and a threaded column is fixedly installed on the inner wall of the inner ring of the bearing. When a bearing bush in a sliding bearing needs to be replaced, a worker can rotate a rotary knob to drive a threaded column to rotate, a movable plate of the threaded column moves along the threaded column, at the moment, an insertion block can be separated from an insertion hole in an insertion column, and after the insertion block is completely separated from the interior of the insertion hole, a bearing cover of the insertion block can be directly detached from a bearing seat; and the bearing bush can be conveniently and quickly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding bearings, in particular to a high-precision sliding bearing. Background Art

[0002] Sliding bearings are bearings that work under sliding friction. Sliding bearings work smoothly, reliably and without noise. Under liquid lubrication conditions, the sliding surfaces are separated by lubricating oil without direct contact, which can also greatly reduce friction loss and surface wear.

[0003] According to a Chinese patent with the announcement number "CN220850433U", a bimetallic sliding bearing is disclosed, including: a bearing seat, and end covers are movably installed on both sides of the top of the bearing seat by bolts. The utility model sets up a mounting mechanism, after the mounting plate is fixed on the machine, the screw is screwed out, and then the position of the bearing seat can be moved. After moving to a different position, the thread groove 1 and the thread groove 2 are made horizontal, and then the screw is screwed in to fix the bearing seat and the mounting plate. By adjusting the position of the bearing seat, the installation is more accurate, which is conducive to moving the bearing seat body to the desired position. At present, the existing sliding bearings are usually fixed in the working position by bolts during installation, and the rotating shaft body is inserted into the interior of the sliding bearing, and then the rotating shaft body and the sliding bearing are fixed. When the bearing bush is damaged, it is inconvenient to replace the bearing bush, so a high-precision sliding bearing is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a high-precision sliding bearing in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a high-precision sliding bearing, comprising a bearing seat and a bearing cover, wherein the bearing cover is arranged on the bearing seat, a docking mechanism is arranged on the bearing seat, a lower bearing bush is arranged inside the bearing seat, and an upper bearing bush is arranged inside the bearing cover;

[0006] The docking mechanism includes an installation groove and an insertion column, a bearing is fixedly installed inside the installation groove, a threaded column is fixedly installed on the inner wall of the inner ring of the bearing, a movable plate is threadedly connected to the threaded column, an insertion block is fixedly installed on the movable plate, the insertion column is fixedly installed on the bottom of the bearing cover, a socket is provided on the insertion column, a slot is provided on the bearing seat, the insertion column is inserted into the inside of the slot, and the insertion block is inserted into the inside of the socket.

[0007] Preferably, the device groove is opened on the bearing seat, a side plate is fixedly installed on the device groove, and a knob is fixedly installed on the other end of the threaded column. The setting of the knob can facilitate the staff to rotate the threaded column.

[0008] Preferably, an internal threaded hole is provided on the movable plate, and the threaded column is threadedly connected to the inside of the internal threaded hole, and the movable plate can be driven to move by the rotation of the threaded column.

[0009] Preferably, the number of the insert blocks is two, and the two insert blocks are respectively fixedly mounted on the front end and the rear end of the right wall of the movable plate, and the setting of the insert blocks can play a role in positioning the insert column.

[0010] Preferably, a first positioning groove is opened on the inner wall of the bearing cover, a first positioning strip is inserted into the first positioning groove, and the first positioning strip is fixedly connected to the outer wall of the upper bearing shell. The arrangement of the first positioning groove and the first positioning strip can facilitate the positioning of the upper bearing shell inside the bearing cover.

[0011] Preferably, a second positioning groove is opened on the inner wall of the bearing seat, a second positioning strip is inserted into the interior of the second positioning groove, and the second positioning strip is fixedly connected to the outer wall of the lower bearing shell. The second positioning groove and the second positioning strip can facilitate the positioning of the lower bearing shell inside the bearing seat.

[0012] The utility model adopts the above technical solution, which can bring the following beneficial effects:

[0013] 1. The high-precision sliding bearing operates through the coordination among the device groove, bearing, threaded column, movable plate, internal threaded hole, plug-in block, knob, plug-in column, slot and socket. When the bearing bush in the sliding bearing needs to be replaced, the staff can turn the knob to drive the threaded column to rotate, so that the movable plate moves along the threaded column. At this time, the plug-in block will be separated from the socket on the plug-in column. When the plug-in block is completely separated from the inside of the socket, the bearing cover can be directly removed from the bearing seat, so that the bearing bush can be replaced quickly and conveniently.

[0014] 2. The high-precision sliding bearing can position the bearing shell through the matching arrangement between the first positioning strip, the second positioning strip, the first positioning groove and the second positioning groove, so that the bearing shell can be accurately placed inside the bearing seat and the bearing cover, which is convenient for the installation and fixation of the bearing shell and further improves the practicality of the sliding bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the bearing structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the bearing cover structure of the utility model;

[0018] Figure 4This is a schematic diagram of the bearing seat structure of the utility model;

[0019] Figure 5 This is a schematic diagram of a partial cross-sectional structure of a bearing seat of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the movable plate of the utility model.

[0021] In the figure: 1. bearing seat; 2. docking mechanism; 201. device groove; 202. bearing; 203. threaded column; 204. movable plate; 205. internal threaded hole; 206. plug block; 207. knob; 208. plug column; 209. slot; 210. socket; 3. bearing cover; 4. upper bearing shell; 5. lower bearing shell; 6. side plate; 7. first positioning strip; 8. second positioning strip; 9. first positioning groove; 10. second positioning groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1-6 An embodiment of the utility model is: a high-precision sliding bearing, comprising a bearing seat 1 and a bearing cover 3, the bearing cover 3 is arranged on the bearing seat 1, a docking mechanism 2 is arranged on the bearing seat 1, a lower bearing bush 5 is arranged inside the bearing seat 1, and an upper bearing bush 4 is arranged inside the bearing cover 3;

[0026] The docking mechanism 2 includes a device groove 201 and a plug 208. A bearing 202 is fixedly installed inside the device groove 201. A threaded column 203 is fixedly installed on the inner wall of the inner ring of the bearing 202. A movable plate 204 is threadedly connected to the threaded column 203. An insert block 206 is fixedly installed on the movable plate 204. The plug 208 is fixedly installed at the bottom of the bearing cover 3. A plug hole 210 is opened on the plug 208. A slot 209 is opened on the bearing seat 1. The plug 208 is inserted into the slot 209. 9, the plug block 206 is inserted into the inside of the socket 210. When the bearing bushing in the sliding bearing needs to be replaced, the staff can turn the knob 207 to drive the threaded column 203 to rotate, so that the movable plate 204 moves along the threaded column 203. At this time, the plug block 206 will be separated from the socket 210 on the plug column 208. When the plug block 206 is completely separated from the inside of the socket 210, the bearing cover 3 can be directly removed from the bearing seat 1, which is convenient for quick replacement of the bearing bushing.

[0027] The installation groove 201 is opened on the bearing seat 1, and the side plate 6 is fixedly installed on the installation groove 201. The other end of the threaded column 203 is fixedly installed with a knob 207. The setting of the knob 207 can facilitate the staff to rotate the threaded column 203 for rotation.

[0028] An internal thread hole 205 is formed on the movable plate 204 , and the threaded column 203 is threadedly connected to the inside of the internal thread hole 205 . The rotation of the threaded column 203 can drive the movable plate 204 to move.

[0029] There are two insert blocks 206 , which are respectively fixedly mounted on the front end and the rear end of the right wall of the movable plate 204 . The insert blocks 206 can be arranged to position the insert posts 208 .

[0030] Working principle: When the bearing shell in the sliding bearing needs to be replaced, the staff can turn the knob 207 to drive the threaded column 203 to rotate, so that the movable plate 204 moves along the threaded column 203. At this time, the plug block 206 will be separated from the socket 210 on the plug column 208. When the plug block 206 is completely separated from the inside of the socket 210, the bearing cover 3 can be directly removed from the bearing seat 1, so as to facilitate the quick replacement of the bearing shell.

[0031] See also Figure 1-6 On the basis of the above-mentioned embodiment, in another embodiment of the utility model, a first positioning groove 9 is opened on the inner wall of the bearing cover 3, a first positioning strip 7 is inserted into the first positioning groove 9, and the first positioning strip 7 is fixedly connected to the outer wall of the upper bearing shell 4. The upper bearing shell 4 can be conveniently positioned inside the bearing cover 3 through the arrangement of the first positioning groove 9 and the first positioning strip 7.

[0032] A second positioning groove 10 is provided on the inner wall of the bearing seat 1, and a second positioning strip 8 is inserted into the interior of the second positioning groove 10. The second positioning strip 8 is fixedly connected to the outer wall of the lower bearing shell 5. The second positioning groove 10 and the second positioning strip 8 can facilitate the positioning of the lower bearing shell 5 inside the bearing seat 1.

[0033] Working principle: Through the coordination between the first positioning strip 7, the second positioning strip 8, the first positioning groove 9 and the second positioning groove 10, the bearing shell can be positioned so that the bearing shell can be accurately placed inside the bearing seat 1 and the bearing cover 3, which is convenient for the installation and fixation of the bearing shell and further improves the practicality of the sliding bearing.

[0034] The utility model provides a high-precision sliding bearing. There are many methods and ways to implement the technical solution. The above is only the preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications should also be regarded as the protection scope of the utility model. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A high-precision sliding bearing, comprising a bearing seat (1) and a bearing cover (3), characterized in that: The bearing cover (3) is arranged on the bearing seat (1), a docking mechanism (2) is arranged on the bearing seat (1), a lower bearing shell (5) is arranged inside the bearing seat (1), and an upper bearing shell (4) is arranged inside the bearing cover (3); The docking mechanism (2) comprises a mounting groove (201) and an insertion column (208); a bearing (202) is fixedly installed inside the mounting groove (201); a threaded column (203) is fixedly installed on the inner wall of the inner ring of the bearing (202); a movable plate (204) is threadedly connected to the threaded column (203); an insertion block (206) is fixedly installed on the movable plate (204); the insertion column (208) is fixedly installed on the bottom of the bearing cover (3); a plug hole (210) is provided on the insertion column (208); a slot (209) is provided on the bearing seat (1); the insertion column (208) is inserted into the slot (209); and the insertion block (206) is inserted into the plug hole (210).

2. A high-precision sliding bearing according to claim 1, characterized in that: The installation groove (201) is opened on the bearing seat (1), a side plate (6) is fixedly mounted on the installation groove (201), and a knob (207) is fixedly mounted on the other end of the threaded column (203).

3. A high-precision sliding bearing according to claim 1, characterized in that: The movable plate (204) is provided with an internal threaded hole (205), and the threaded column (203) is threadedly connected inside the internal threaded hole (205).

4. A high-precision sliding bearing according to claim 1, characterized in that: The number of the insert blocks (206) is two, and the two insert blocks (206) are respectively fixedly mounted on the front end and the rear end of the right wall of the movable plate (204).

5. A high-precision sliding bearing according to claim 1, characterized in that: The inner wall of the bearing cover (3) is provided with a first positioning groove (9), a first positioning strip (7) is inserted into the first positioning groove (9), and the first positioning strip (7) is fixedly connected to the outer wall of the upper bearing shell (4).

6. A high-precision sliding bearing according to claim 1, characterized in that: The inner wall of the bearing seat (1) is provided with a second positioning groove (10), the interior of the second positioning groove (10) is plugged with a second positioning strip (8), and the second positioning strip (8) is fixedly connected to the outer wall of the lower bearing shell (5).

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